added note that operators can decrease self bond via wallet

2023-04-24 15:07:41 +02:00
679 changed files with 15685 additions and 50431 deletions
@@ -11,25 +11,30 @@
 # In each subsection folders are ordered first by depth, then alphabetically.
 # This should make it easy to add new rules without breaking existing ones.

-# contracts
-/contracts/mixnet @durch @jstuczyn
-/contracts/vesting @durch @jstuczyn
-/contracts/service-provider-directory @octol
+# Something weird not covered by anything else
+* @futurechimp @mmsinclair

-# crypto code
-/common/crypto/ @jstuczyn
-/common/nymcoconut/ @jstuczyn
-/common/dkg/ @jstuczyn
-/common/nymsphinx/ @jstuczyn
+# Rust rules:
+*.rs @durch @futurechimp @jstuczyn @neacsu @octol
+Cargo.* @durch @futurechimp @jstuczyn @neacsu @octol

-# rust sdk
-/sdk/rust/ @octol
+# JS rules:
+*.js @mmsinclair @fmtabbara
+*.ts @mmsinclair @fmtabbara
+*.tsx @mmsinclair @fmtabbara
+*.jsx @mmsinclair @fmtabbara

-# nym-connect (rust)
-/nym-connect/desktop/src-tauri/ @octol
+# Something looking like possible documentation rules:
+*.md @mfahampshire

-# nym-wallet (rust)
-/nym-wallet/src-tauri/ @octol
+# our docker scripts
+/docker/ @neacsu

-# documentation
-/documentation @mfahampshire
+# if there are any changes in the core crypto, I feel like Ania should take a look:
+/common/crypto/ @aniampio
+/common/nymsphinx/ @aniampio
+
+# Explorer and wallet should probably get looked by the product team
+/explorer/ @nymtech/product 
+/nym-wallet/ @nymtech/product 
+/wallet-web/ @nymtech/product
@@ -1,14 +0,0 @@
---
-name: 'Documentation'
-about: Suggest a fix or enhancement to the documentation or developer portal content
-title: "[DOCS]"
-labels: documentation
-assignees: mfahampshire
-
---
-
-Is your issue either: 
- [ ] a fix to existing documentation (e.g. fixing a broken link or incorrect command) 
- [ ] an enhancement (e.g. adding a description for an undocumented feature)
-
-Please briefly describe your issue:
@@ -63,7 +63,7 @@ jobs:
      - name: Install Rust stable
        uses: actions-rs/toolchain@v1
        with:
-          toolchain: 1.69.0
+          toolchain: stable

      - name: Build all binaries
        uses: actions-rs/cargo@v1
@@ -74,7 +74,7 @@ jobs:
      - name: Install Rust stable
        uses: actions-rs/toolchain@v1
        with:
-          toolchain: 1.69.0
+          toolchain: stable
          target: wasm32-unknown-unknown
          override: true
          components: rustfmt, clippy
@@ -107,8 +107,6 @@ jobs:
          cp contracts/target/wasm32-unknown-unknown/release/nym_coconut_dkg.wasm $OUTPUT_DIR
          cp contracts/target/wasm32-unknown-unknown/release/cw3_flex_multisig.wasm $OUTPUT_DIR
          cp contracts/target/wasm32-unknown-unknown/release/cw4_group.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/nym_service_provider_directory.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/nym_name_service.wasm $OUTPUT_DIR

      - name: Deploy branch to CI www
        continue-on-error: true
@@ -9,14 +9,12 @@ on:
      - 'gateway/**'
      - 'integrations/**'
      - 'mixnode/**'
-      - 'sdk/lib/socks5-listener/**'
      - 'sdk/rust/nym-sdk/**'
      - 'service-providers/**'
      - 'nym-api/**'
      - 'nym-outfox/**'
      - 'tools/nym-cli/**'
      - 'tools/ts-rs-cli/**'
-      - 'Cargo.toml'
  pull_request:
    paths:
      - 'clients/**'
@@ -25,14 +23,12 @@ on:
      - 'gateway/**'
      - 'integrations/**'
      - 'mixnode/**'
-      - 'sdk/lib/socks5-listener/**'
      - 'sdk/rust/nym-sdk/**'
      - 'service-providers/**'
      - 'nym-api/**'
      - 'nym-outfox/**'
      - 'tools/nym-cli/**'
      - 'tools/ts-rs-cli/**'
-      - 'Cargo.toml'

 jobs:
  build:
@@ -0,0 +1,138 @@
+name: Nym Connect - Android APK Build
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - "release/nc-android-v[0-9].[0-9].[0-9]*"
+
+jobs:
+  build:
+    name: Build APK
+    runs-on: custom-runner-linux
+    env:
+      ANDROID_HOME: ${{ github.workspace }}/android-sdk
+      NDK_VERSION: 25.1.8937393
+      NDK_HOME: ${{ github.workspace }}/android-sdk/ndk/25.1.8937393
+      SDK_PLATFORM_VERSION: android-33
+      SDK_BUILDTOOLS_VERSION: 33.0.1
+
+    steps:
+      - name: Install Dependencies (Linux)
+        # https://next--tauri.netlify.app/next/guides/getting-started/prerequisites/linux/#1-system-dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install \
+          build-essential \
+          unzip \
+          curl \
+          wget \
+          libssl-dev \
+          squashfs-tools \
+          librsvg2-dev
+
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: "temurin"
+          java-version: "17"
+
+      - name: Install Android SDK manager
+        # https://developer.android.com/studio/command-line/sdkmanager
+        run: |
+          curl -sS https://dl.google.com/android/repository/commandlinetools-linux-9477386_latest.zip -o cmdline-tools.zip
+          unzip cmdline-tools.zip
+          mkdir -p $ANDROID_HOME/cmdline-tools/latest
+          mv cmdline-tools/* $ANDROID_HOME/cmdline-tools/latest
+          rm -rf cmdline-tools
+
+      - name: Install Android S/NDK
+        run: |
+          echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager --licenses
+          echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager \
+            "platforms;$SDK_PLATFORM_VERSION" \
+            "platform-tools" \
+            "ndk;$NDK_VERSION" \
+            "build-tools;$SDK_BUILDTOOLS_VERSION"
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      # TODO this step takes a considerable amount of time
+      # We could avoid to compile from source tauri-cli and use instead
+      # pre-compiled binary provided by the node package `@tauri-apps/cli`
+      # But when using the later the build fails for some reason
+      # so keep installing and using tauri-cli
+      - name: Install tauri cli
+        run: cargo install tauri-cli --version "^2.0.0-alpha.2"
+
+      - name: Install rust android targets
+        run: |
+          rustup target add aarch64-linux-android \
+            armv7-linux-androideabi \
+            i686-linux-android \
+            x86_64-linux-android
+
+      - name: Setup Nodejs
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: Install yarn
+        run: |
+          npm i -g yarn
+          yarn --version
+
+      - name: Build frontend code
+        run: |
+          yarn install --frozen-lockfile
+          yarn build
+          yarn workspace @nym/nym-connect-mobile webpack:prod
+
+      - name: Build APK
+        working-directory: nym-connect/mobile
+        env:
+          # NODE_TAURI_CLI=${{ github.workspace }}/nym-connect/mobile/node_modules/.bin/tauri
+          ANDROID_SDK_ROOT: ${{ env.ANDROID_HOME }}
+          WRY_ANDROID_PACKAGE: net.nymtech.nym_connect
+          WRY_ANDROID_LIBRARY: nym_connect
+        # TODO build with release profile (--release), it will requires
+        # to sign the APK. For now build with debug profile to avoid that
+        # TODO build using `yarn tauri`, provide NODE_TAURI_CLI, see TODO notes above
+        run: cargo tauri android build --debug --apk --split-per-abi -t aarch64
+
+      # TODO add the version number to APK name
+      - name: Rename APK artifact
+        run: |
+          mkdir apk/
+          mv nym-connect/mobile/src-tauri/gen/android/nym_connect/app/build/outputs/apk/arm64/debug/app-arm64-debug.apk \
+            apk/nym-connect-arm64-debug.apk
+          mv nym-connect/mobile/src-tauri/gen/android/nym_connect/app/build/outputs/apk/x86_64/debug/app-x86_64-debug.apk \
+            apk/nym-connect-x86_64-debug.apk
+
+      - name: Upload APK artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: nc-apk-debug
+          path: |
+            apk/nym-connect-arm64-debug.apk
+            apk/nym-connect-x86_64-debug.apk
+
+  # publish:
+  #   name: Publish APK
+  #   needs: build
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: Checkout
+  #       uses: actions/checkout@v3
+  #     - name: Download binary artifact
+  #       uses: actions/download-artifact@v3
+  #       with:
+  #         name: nc-apk-debug
+  #         path: apk
+  #     # TODO add a step to upload the APK somewhere
+  #     - name: Publish
+  #       uses: ???
@@ -6,7 +6,7 @@
  },

  {
-    "os":"windows10",
+    "os":"windows-latest",
    "rust":"stable",
    "runOnEvent":"schedule"
  },
@@ -22,7 +22,7 @@
    "runOnEvent":"schedule"
  },
  {
-    "os":"windows10",
+    "os":"windows-latest",
    "rust":"beta",
    "runOnEvent":"schedule"
  },
@@ -38,7 +38,7 @@
    "runOnEvent":"schedule"
  },
  {
-    "os":"windows10",
+    "os":"windows-latest",
    "rust":"nightly",
    "runOnEvent":"schedule"
  },
@@ -1,110 +0,0 @@
-name: Nyms5 Android
-# unsigned APKs only, supported archs:
-# - arm64-v8a (arm64)
-# - x86_64
-
-on:
-  workflow_dispatch:
-  push:
-    tags:
-      - nyms5-android-v*
-
-jobs:
-  build:
-    name: Build APK
-    runs-on: custom-runner-linux
-    env:
-      ANDROID_HOME: ${{ github.workspace }}/android-sdk
-      NDK_VERSION: 25.2.9519653
-      NDK_HOME: ${{ github.workspace }}/android-sdk/ndk/25.2.9519653
-      SDK_PLATFORM_VERSION: android-33
-      SDK_BUILDTOOLS_VERSION: 33.0.2
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Install Java
-        uses: actions/setup-java@v3
-        with:
-          distribution: "temurin"
-          java-version: "17"
-
-      - name: Install Android SDK manager
-        # https://developer.android.com/studio/command-line/sdkmanager
-        run: |
-          curl -sS https://dl.google.com/android/repository/commandlinetools-linux-9477386_latest.zip -o cmdline-tools.zip
-          unzip cmdline-tools.zip
-          mkdir -p $ANDROID_HOME/cmdline-tools/latest
-          mv cmdline-tools/* $ANDROID_HOME/cmdline-tools/latest
-          rm -rf cmdline-tools
-
-      - name: Install Android S/NDK
-        run: |
-          echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager --licenses
-          echo y | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager \
-            "platforms;$SDK_PLATFORM_VERSION" \
-            "platform-tools" \
-            "ndk;$NDK_VERSION" \
-            "build-tools;$SDK_BUILDTOOLS_VERSION"
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@1.70.0
-
-      - name: Install rust android targets
-        run: |
-          rustup target add aarch64-linux-android \
-            x86_64-linux-android
-
-      - name: Build lib nym-socks5-listener
-        working-directory: sdk/lib/socks5-listener/
-        env:
-          RELEASE: true
-          RUSTFLAGS: "-C link-args=-Wl,--hash-style=gnu"
-        # build for arm64 and x86_64
-        run: ./build-android.sh aarch64 x86_64
-
-      - name: Build APKs (unsigned)
-        working-directory: nym-connect/native/android
-        env:
-          ANDROID_SDK_ROOT: ${{ env.ANDROID_HOME }}
-        # build for arm64 and x86_64
-        run: |
-          ./gradlew :app:assembleArch64Debug
-          ./gradlew :app:assembleArch64Release
-
-      - name: Prepare APKs
-        run: |
-          mkdir apk
-          mv nym-connect/native/android/app/build/outputs/apk/arch64/debug/app-arch64-debug.apk \
-            apk/nyms5-arch64-debug.apk
-          mv nym-connect/native/android/app/build/outputs/apk/arch64/release/app-arch64-release-unsigned.apk \
-            apk/nyms5-arch64-release.apk
-
-      - name: Upload APKs
-        uses: actions/upload-artifact@v3
-        with:
-          name: nyms5-apk-arch64
-          path: |
-            apk/nyms5-arch64-debug.apk
-            apk/nyms5-arch64-release.apk
-
-  gh-release:
-    name: Publish APK (GH release)
-    needs: build
-    runs-on: custom-runner-linux
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Download binary artifact
-        uses: actions/download-artifact@v3
-        with:
-          name: nyms5-apk-arch64
-          path: apk
-      - name: Release
-        uses: softprops/action-gh-release@v1
-        with:
-          files: |
-            apk/nyms5-arch64-debug.apk
-            apk/nyms5-arch64-release.apk
-
@@ -1,79 +0,0 @@
-name: Upload nyxd to CI
-
-on:
-  workflow_dispatch:
-
-jobs:
-  publish-nyxd:
-    strategy:
-      fail-fast: false
-      matrix:
-        platform: [ubuntu-20.04]
-
-    runs-on: ${{ matrix.platform }}
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Prepare build output directory
-        shell: bash
-        env:
-          OUTPUT_DIR: ci-builds/nyxd
-        run: |
-          rm -rf ci-builds || true
-          mkdir -p $OUTPUT_DIR
-          echo $OUTPUT_DIR
-
-      - name: Install Dependencies (Linux)
-        run: sudo apt-get update && sudo apt-get -y install build-essential curl wget libssl-dev libgtk-3-dev libudev-dev squashfs-tools git
-        continue-on-error: true
-      
-      - name: Update env variables to include go
-        run: | 
-          sudo rm -rf /usr/local/go
-          curl https://dl.google.com/go/go1.19.2.linux-amd64.tar.gz | sudo tar -C/usr/local -zxvf -
-          cat <<'EOF' >>$HOME/.profile
-          export GOROOT=/usr/local/go
-          export GOPATH=$HOME/go
-          export GO111MODULE=on
-          export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
-          EOF
-          source $HOME/.profile
-
-      - name: Verify Go is installed
-        run: go version
-
-      - name: Clone nyxd repo
-        run: | 
-          git clone https://github.com/tommyv1987/nyxd
-          cd nyxd
-          git checkout release/v0.30.2
-
-      - name: Run nyxd
-        run: |
-          pwd
-          cd nyxd && make build
-          sleep 10
-          ls /home/runner/work/nym/nym/nyxd/build
-
-      - name: Prepare build output
-        shell: bash
-        env:
-          OUTPUT_DIR: ci-builds/nyxd
-        run: |
-          cp /home/runner/work/nym/nym/nyxd/build/nyxd $OUTPUT_DIR
-          WASMVM_SO=$(ldd /home/runner/work/nym/nym/nyxd/build/nyxd | grep "libwasm*" | awk '{ print $3 }')
-          ls $WASMVM_SO
-          sleep 3
-          cp $(echo $WASMVM_SO) $OUTPUT_DIR
-
-      - name: Deploy nyxd to CI www
-        continue-on-error: true
-        uses: easingthemes/ssh-deploy@main
-        env:
-          SSH_PRIVATE_KEY: ${{ secrets.CI_WWW_SSH_PRIVATE_KEY }}
-          ARGS: "-avzr"
-          SOURCE: "ci-builds/"
-          REMOTE_HOST: ${{ secrets.CI_WWW_REMOTE_HOST }}
-          REMOTE_USER: ${{ secrets.CI_WWW_REMOTE_USER }}
-          TARGET: ${{ secrets.CI_WWW_REMOTE_TARGET }}/builds/
-          EXCLUDE: "/dist/, /node_modules/"
@@ -8,7 +8,6 @@
 .idea
 target
 .env
-.env.dev
 /.vscode/settings.json
 validator/.vscode
 sample-configs/validator-config.toml
@@ -43,4 +42,3 @@ envs/qwerty.env
 .parcel-cache
 **/.DS_Store
 cpu-cycles/libcpucycles/build
-foxyfox.env
@@ -4,132 +4,14 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://

 ## [Unreleased]

-## [v1.1.22] (2023-06-20)
+- nym-network-statistics properly handles signals ([#3209])
+- add socks5 support for Rust SDK ([#3226], [#3255])
+- add coconut bandwidth credential support for Rust SDK ([#3273]) 

- CLI tool for querying network-requesters ([#3539])
- Statically link OpenSSL ([#3510])
- NymConnect - add sentry.io reporting ([#3421])
- init command does not change version number in config.toml ([#3336])
- [Bug] Config version does not correspond to binary version ([#3434])
-
-[#3539]: https://github.com/nymtech/nym/issues/3539
-[#3510]: https://github.com/nymtech/nym/issues/3510
-[#3421]: https://github.com/nymtech/nym/issues/3421
-[#3336]: https://github.com/nymtech/nym/issues/3336
-[#3434]: https://github.com/nymtech/nym/issues/3434
-
-## [v1.1.21] (2023-06-13)
-
- mixFetch: Change socks5 `SendRequest` to include OrderedMessage index as a field rather than making it serialized inside the `data` field
- ([#3534])
- Explorer - add more data columns to the Service Provider section: ([#3474])
- network-requester: support report if they run an open proxy using `ControlRequest` API ([#3461])
- Refactor client configs (London discussion) ([#3444])
- Increase `DEFAULT_MAXIMUM_CONNECTION_BUFFER_SIZE` to 2000 to improve reliability ([#3433])
- socks5: sender waits for lanes to clear even though the connection is closed ([#3366])
- version bump for variables ([#3545])
-
-[#3534]: https://github.com/nymtech/nym/issues/3534
-[#3474]: https://github.com/nymtech/nym/issues/3474
-[#3461]: https://github.com/nymtech/nym/issues/3461
-[#3444]: https://github.com/nymtech/nym/issues/3444
-[#3433]: https://github.com/nymtech/nym/issues/3433
-[#3366]: https://github.com/nymtech/nym/issues/3366
-[#3545]: https://github.com/nymtech/nym/pull/3545
-
-## [v1.1.20] (2023-06-06)
-
- Explorer - Fix SP supported apps list ([#3458])
- Investigate if we need to lower `SHUTDOWN_TIMEOUT` in  socks5 to zero (or almost zero) ([#3438])
- Explorer - show all gateways in the default view regardless of the version number ([#3427])
- service-provider-directory: add signature check when announcing ([#3360])
- Support functionality for nym-name-service (nym-api, nym-cli, etc) ([#3355])
- Edit the nym-network-requester to support the enabled-credentials-mode flag ([#3101])
- [BUG] network requester documentation update ([#3493])
- removing hardcoded version numbers ([#3485])
- [BUG] network requester documentation update ([#3481])
- [BUG] network requester documentation update ([#3469])
- Sign when announcing service providers to the directory contract ([#3459])
- mixnode documentation update ([#3435])
- updated readme with new developer chat links + new docs links ([#3141])
-
-[#3458]: https://github.com/nymtech/nym/issues/3458
-[#3438]: https://github.com/nymtech/nym/issues/3438
-[#3427]: https://github.com/nymtech/nym/issues/3427
-[#3360]: https://github.com/nymtech/nym/issues/3360
-[#3355]: https://github.com/nymtech/nym/issues/3355
-[#3101]: https://github.com/nymtech/nym/issues/3101
-[#3493]: https://github.com/nymtech/nym/pull/3493
-[#3485]: https://github.com/nymtech/nym/pull/3485
-[#3481]: https://github.com/nymtech/nym/pull/3481
-[#3469]: https://github.com/nymtech/nym/pull/3469
-[#3459]: https://github.com/nymtech/nym/pull/3459
-[#3435]: https://github.com/nymtech/nym/pull/3435
-[#3141]: https://github.com/nymtech/nym/pull/3141
-
-## [v1.1.19] (2023-05-16)
-
- nym-name-service endpoint in nym-api ([#3403])
- Implement key storage for WASM client using IndexedDB (for browser) ([#3329])
- Initial version of nym-name-service contract providing name aliases for nym-addresses ([#3274])
- Update Cargo.lock ([#3410])
-
-[#3403]: https://github.com/nymtech/nym/issues/3403
-[#3329]: https://github.com/nymtech/nym/issues/3329
-[#3274]: https://github.com/nymtech/nym/issues/3274
-[#3410]: https://github.com/nymtech/nym/pull/3410
-
-## [v1.1.18] (2023-05-09)
-
- Implement heartbeat messages between socks5 proxy and network requester ([#3215])
-
-[#3215]: https://github.com/nymtech/nym/issues/3215
-
-## [v1.1.17] (2023-05-02)
-
- Add service-provider-directory-contract support to nym-cli ([#3334])
- Start using the node-testing-utils (implemented in #3270) in nym-api Network monitor to simplify the logic there ([#3312])
- Add service-provider-directory support to validator-client ([#3296])
- Allow topology injection in our WASM client ('test my node' feature) ([#3270])
- Expose service-provider-directory contract data in nym-api endpoints ([#3242])
- Cache service provider contract in nym-api ([#3241])
- Feature/1 1 17 docs ([#3370])
- adding a test for SP endpoint ([#3367])
- Feature/store cipher ([#3350])
-
-[#3334]: https://github.com/nymtech/nym/issues/3334
-[#3312]: https://github.com/nymtech/nym/issues/3312
-[#3296]: https://github.com/nymtech/nym/issues/3296
-[#3270]: https://github.com/nymtech/nym/issues/3270
-[#3242]: https://github.com/nymtech/nym/issues/3242
-[#3241]: https://github.com/nymtech/nym/issues/3241
-[#3370]: https://github.com/nymtech/nym/pull/3370
-[#3367]: https://github.com/nymtech/nym/pull/3367
-[#3350]: https://github.com/nymtech/nym/pull/3350
-
-## [v1.1.16] (2023-04-25)
-
- Explorer - Fix sorting function on Stake Saturation. It is currently working per page and not globally ([#3320])
- Poisson process gets stuck at too slow rate. Rework to more aggressively up-regulate ([#3309])
- decrease the logging level of warnings associated with clients dropping packets due to gateway being overloaded (I'd say reduce it to debug/trace) - there are few sources of those, e.g. in real and cover traffic streams ([#3299])
- Make the buffer size in `AvailableReader` depend on packet sizes the client is using + introduce read timeouts ([#3213])
- Rust SDK - Support coconut, credential storage etc ([#2755])
- version bump for next release ([#3349])
- added coconut credential generation example ([#3339])
- update mix-node setup docs with node description ([#3325])
- exposed missing gateway commands in nym-cli ([#3324])
- make sure to clear inner 'ack_map' in 'GatewaysReader' ([#3300])
-
-[#3320]: https://github.com/nymtech/nym/issues/3320
-[#3309]: https://github.com/nymtech/nym/issues/3309
-[#3299]: https://github.com/nymtech/nym/issues/3299
-[#3213]: https://github.com/nymtech/nym/issues/3213
-[#2755]: https://github.com/nymtech/nym/issues/2755
-[#3349]: https://github.com/nymtech/nym/pull/3349
-[#3339]: https://github.com/nymtech/nym/pull/3339
-[#3325]: https://github.com/nymtech/nym/pull/3325
-[#3324]: https://github.com/nymtech/nym/pull/3324
-[#3300]: https://github.com/nymtech/nym/pull/3300
+[#3209]: https://github.com/nymtech/nym/issues/3209
+[#3226]: https://github.com/nymtech/nym/pull/3226
+[#3255]: https://github.com/nymtech/nym/pull/3255
+[#3273]: https://github.com/nymtech/nym/pull/3273

 ## [v1.1.15] (2023-04-18)

@@ -37,7 +37,6 @@ members = [
    "common/cosmwasm-smart-contracts/group-contract",
    "common/cosmwasm-smart-contracts/mixnet-contract",
    "common/cosmwasm-smart-contracts/multisig-contract",
-    "common/cosmwasm-smart-contracts/name-service",
    "common/cosmwasm-smart-contracts/service-provider-directory",
    "common/cosmwasm-smart-contracts/vesting-contract",
    "common/credential-storage",
@@ -49,7 +48,6 @@ members = [
    "common/ledger",
    "common/mixnode-common",
    "common/network-defaults",
-    "common/node-tester-utils",
    "common/nonexhaustive-delayqueue",
    "common/nymcoconut",
    "common/nymsphinx",
@@ -61,14 +59,12 @@ members = [
    "common/nymsphinx/forwarding",
    "common/nymsphinx/framing",
    "common/nymsphinx/params",
-    "common/nymsphinx/routing",
    "common/nymsphinx/types",
    "common/pemstore",
    "common/socks5-client-core",
    "common/socks5/proxy-helpers",
    "common/socks5/requests",
    "common/statistics",
-    "common/store-cipher",
    "common/task",
    "common/topology",
    "common/types",
@@ -78,7 +74,6 @@ members = [
    "gateway/gateway-requests",
    "integrations/bity",
    "mixnode",
-    "sdk/lib/socks5-listener",
    "sdk/rust/nym-sdk",
    "service-providers/common",
    "service-providers/network-requester",
@@ -87,7 +82,6 @@ members = [
    "nym-api/nym-api-requests",
    "nym-outfox",
    "tools/nym-cli",
-    "tools/nym-nr-query",
    "tools/ts-rs-cli"
 ]

@@ -113,7 +107,6 @@ edition = "2021"
 license = "Apache-2.0"

 [workspace.dependencies]
-anyhow = "1.0.71"
 async-trait = "0.1.64"
 bip39 = { version = "2.0.0", features = ["zeroize"] }
 cfg-if = "1.0.0"
@@ -121,16 +114,13 @@ cosmwasm-derive = "=1.0.0"
 cosmwasm-schema = "=1.0.0"
 cosmwasm-std = "=1.0.0"
 cosmwasm-storage = "=1.0.0"
-cw-controllers = "=0.13.4"
-cw-storage-plus = "=0.13.4"
 cw-utils = "=0.13.4"
+cw-storage-plus = "=0.13.4"
 cw2 = { version = "=0.13.4" }
 cw3 = { version = "=0.13.4" }
 cw3-fixed-multisig = { version = "=0.13.4" }
 cw4 = { version = "=0.13.4" }
 dotenvy = "0.15.6"
-generic-array = "0.14.7"
-getrandom = "0.2.10"
 lazy_static = "1.4.0"
 log = "0.4"
 once_cell = "1.7.2"
@@ -141,4 +131,3 @@ tap = "1.0.1"
 thiserror = "1.0.38"
 tokio = "1.24.1"
 url = "2.2"
-zeroize = "1.6.0"
@@ -13,10 +13,6 @@ happy: fmt clippy-happy test
 # on all workspaces.
 build-release: build-release-main wasm

-# Deprecated
-# For backwards compatibility
-clippy-all: clippy
-
 # -----------------------------------------------------------------------------
 # Define targets for a given workspace
 #  $(1): name
@@ -56,11 +52,11 @@ fmt-$(1):
 	cargo fmt --manifest-path $(2)/Cargo.toml --all

 clippy-happy: clippy-happy-$(1)
-clippy: clippy-$(1) clippy-examples-$(1)
+clippy-all: clippy-$(1) clippy-examples-$(1)
 check: check-$(1)
 cargo-test: test-$(1)
 cargo-test-expensive: test-expensive-$(1)
-build: build-$(1) build-examples-$(1)
+build: build-$(1) build-$(1)-examples
 build-release-all: build-release-$(1)
 fmt: fmt-$(1)

@@ -99,7 +95,6 @@ CONTRACTS_OUT_DIR=contracts/target/wasm32-unknown-unknown/release
 VESTING_CONTRACT=$(CONTRACTS_OUT_DIR)/vesting_contract.wasm
 MIXNET_CONTRACT=$(CONTRACTS_OUT_DIR)/mixnet_contract.wasm
 SERVICE_PROVIDER_DIRECTORY_CONTRACT=$(CONTRACTS_OUT_DIR)/nym_service_provider_directory.wasm
-NAME_SERVICE_CONTRACT=$(CONTRACTS_OUT_DIR)/nym_name_service.wasm

 wasm: wasm-build wasm-opt

@@ -110,7 +105,6 @@ wasm-opt:
 	wasm-opt --disable-sign-ext -Os $(VESTING_CONTRACT) -o $(VESTING_CONTRACT)
 	wasm-opt --disable-sign-ext -Os $(MIXNET_CONTRACT) -o $(MIXNET_CONTRACT)
 	wasm-opt --disable-sign-ext -Os $(SERVICE_PROVIDER_DIRECTORY_CONTRACT) -o $(SERVICE_PROVIDER_DIRECTORY_CONTRACT)
-	wasm-opt --disable-sign-ext -Os $(NAME_SERVICE_CONTRACT) -o $(NAME_SERVICE_CONTRACT)

 # -----------------------------------------------------------------------------
 # Misc
@@ -21,8 +21,8 @@ The platform is composed of multiple Rust crates. Top-level executable binary cr

 ### Building

-Platform build instructions are available on [our docs site](https://nymtech.net/docs/binaries/build-nym.html).
-Wallet build instructions are also available on [our docs site](https://nymtech.net/docs/wallet/desktop-wallet.html).
+Platform build instructions are available on [our docs site](https://nymtech.net/docs/binaries/building-nym.html).
+Wallet build instructions are also available on [our docs site](https://nymtech.net/docs/stable/nym-apps/wallet#for-developers).

 ### Developing

@@ -32,11 +32,7 @@ For Typescript components, please see [ts-packages](./ts-packages).

 ### Developer chat

-> We used to use Keybase for developer chats, but we have since migrated to Matrix and Discord. We no longer check the old **nymtech.friends** Keybase team. 
-
-You can chat to us in two places: 
-* The #dev channel on [Matrix](https://matrix.to/#/#dev:nymtech.chat)
-* The various developer channels on [Discord](https://discord.gg/nym)
+You can chat to us in [Keybase](https://keybase.io). Download their chat app, then click **Teams -> Join a team**. Type **nymtech.friends** into the team name and hit **continue**. For general chat, hang out in the **#general** channel. Our development takes places in the **#dev** channel. Node operators should be in the **#node-operators** channel.

 ### Rewards

@@ -50,7 +46,7 @@ Node, node operator and delegator rewards are determined according to the princi
 |<img src="https://render.githubusercontent.com/render/math?math=\lambda_{i}#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}\lambda_{i}#gh-dark-mode-only">|ratio of stake operator has pledged to their node to the token circulating supply.
 |<img src="https://render.githubusercontent.com/render/math?math=\omega_{i}#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}\omega_{i}#gh-dark-mode-only">|fraction of total effort undertaken by node `i`, set to `1/k`.
 |<img src="https://render.githubusercontent.com/render/math?math=k#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}k#gh-dark-mode-only">|number of nodes stakeholders are incentivised to create, set by the validators, a matter of governance. Currently determined by the `reward set` size, and set to 720 in testnet Sandbox.
-|<img src="https://render.githubusercontent.com/render/math?math=\alpha#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}\alpha#gh-dark-mode-only">|Sybil attack resistance parameter - the higher this parameter is set the stronger the reduction in competitiveness gets for a Sybil attacker.
+|<img src="https://render.githubusercontent.com/render/math?math=\alpha#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}\alpha#gh-dark-mode-only">|Sybil attack resistance parameter - the higher this parameter is set the stronger the reduction in competitivness gets for a Sybil attacker.
 |<img src="https://render.githubusercontent.com/render/math?math=PM_{i}#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}PM_{i}#gh-dark-mode-only">|declared profit margin of operator `i`, defaults to 10% in.
 |<img src="https://render.githubusercontent.com/render/math?math=PF_{i}#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}PF_{i}#gh-dark-mode-only">|uptime of node `i`, scaled to 0 - 1, for the rewarding epoch
 |<img src="https://render.githubusercontent.com/render/math?math=PP_{i}#gh-light-mode-only"><img src="https://render.githubusercontent.com/render/math?math=\color{white}PP_{i}#gh-dark-mode-only">|cost of operating node `i` for the duration of the rewarding epoch, set to 40 NYMT.
@@ -74,7 +70,7 @@ Operator of node `i` is credited with the following amount:
 <img src="https://render.githubusercontent.com/render/math?math=min\{PP_{i},R_{i})\} %2b max\{0, (PM_{i} %2b (1 - PM_{i}) \cdot \lambda_{i}/\delta_{i}) \cdot (R_{i} - PP_{i})\}#gh-light-mode-only">
 <img src="https://render.githubusercontent.com/render/math?math=\color{white}min\{PP_{i},R_{i})\} %2b max\{0, (PM_{i} %2b (1 - PM_{i}) \cdot \lambda_{i}/\delta_{i}) \cdot (R_{i} - PP_{i})\}#gh-dark-mode-only">

-Delegate with stake `s` receives:
+Delegate with stake `s` recieves:

 <img src="https://render.githubusercontent.com/render/math?math=max\{0, (1-PM_{i}) \cdot (s^'/\sigma_{i}) \cdot (R_{i} - PP_{i})\}#gh-light-mode-only">
 <img src="https://render.githubusercontent.com/render/math?math=\color{white}max\{0, (1-PM_{i}) \cdot (s^'/\sigma_{i}) \cdot (R_{i} - PP_{i})\}#gh-dark-mode-only">
@@ -12,9 +12,7 @@ serde = { workspace = true, features = ["derive"] }
 thiserror = "1.0"
 tokio = { version = "1.24.1", features = ["rt-multi-thread", "net", "signal", "macros"] } # async runtime

-
 nym-bandwidth-controller = { path = "../../common/bandwidth-controller" }
-nym-client-core = { path = "../../common/client-core" }
 nym-config = { path = "../../common/config" }
 nym-credentials = { path = "../../common/credentials" }
 nym-credential-storage = { path = "../../common/credential-storage" }
@@ -1,4 +1,4 @@
-// Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

 mod commands;
@@ -9,14 +9,13 @@ use commands::*;
 use error::Result;
 use log::*;
 use nym_bin_common::completions::fig_generate;
-use nym_config::DEFAULT_DATA_DIR;
+use nym_config::{CRED_DB_FILE_NAME, DATA_DIR};
 use nym_network_defaults::{setup_env, NymNetworkDetails};
 use std::process::exit;
 use std::time::{Duration, SystemTime};

 use clap::{CommandFactory, Parser};
 use nym_bin_common::logging::setup_logging;
-use nym_client_core::config::disk_persistence::CommonClientPaths;
 use nym_validator_client::nyxd::traits::DkgQueryClient;
 use nym_validator_client::nyxd::{Coin, CosmWasmClient};
 use nym_validator_client::Config;
@@ -72,11 +71,10 @@ async fn main() -> Result<()> {

    match args.command {
        Command::Run(r) => {
-            // we assume the structure of <home-dir>/data
-            let data_dir = r.client_home_directory.join(DEFAULT_DATA_DIR);
-            let paths = CommonClientPaths::new_default(data_dir);
-            let db_path = paths.credentials_database;
-
+            let db_path = r
+                .client_home_directory
+                .join(DATA_DIR)
+                .join(CRED_DB_FILE_NAME);
            let shared_storage =
                nym_credential_storage::initialise_persistent_storage(db_path).await;
            let recovery_storage = recovery_storage::RecoveryStorage::new(r.recovery_dir)?;
@@ -1,6 +1,6 @@
 [package]
 name = "nym-client"
-version = "1.1.22"
+version = "1.1.15"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>", "Jędrzej Stuczyński <andrew@nymtech.net>"]
 description = "Implementation of the Nym Client"
 edition = "2021"
@@ -1,104 +1,99 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::client::config::persistence::ClientPaths;
-use crate::client::config::template::CONFIG_TEMPLATE;
-use nym_bin_common::logging::LoggingSettings;
+use crate::client::config::template::config_template;
+use nym_client_core::config::ClientCoreConfigTrait;
 use nym_config::defaults::DEFAULT_WEBSOCKET_LISTENING_PORT;
-use nym_config::{
-    must_get_home, read_config_from_toml_file, save_formatted_config_to_file, NymConfigTemplate,
-    OptionalSet, DEFAULT_CONFIG_DIR, DEFAULT_CONFIG_FILENAME, DEFAULT_DATA_DIR, NYM_DIR,
-};
+use nym_config::{NymConfig, OptionalSet};
 use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
-use std::io;
 use std::net::{IpAddr, Ipv4Addr};
-use std::path::{Path, PathBuf};
+use std::path::PathBuf;
 use std::str::FromStr;

-pub use nym_client_core::config::Config as BaseClientConfig;
+pub use nym_client_core::config::Config as BaseConfig;
+pub use nym_client_core::config::MISSING_VALUE;
 pub use nym_client_core::config::{DebugConfig, GatewayEndpointConfig};

 pub mod old_config_v1_1_13;
-pub mod old_config_v1_1_20;
-pub mod old_config_v1_1_20_2;
-mod persistence;
 mod template;

-const DEFAULT_CLIENTS_DIR: &str = "clients";
-
-/// Derive default path to clients's config directory.
-/// It should get resolved to `$HOME/.nym/mixnodes/<id>/config`
-pub fn default_config_directory<P: AsRef<Path>>(id: P) -> PathBuf {
-    must_get_home()
-        .join(NYM_DIR)
-        .join(DEFAULT_CLIENTS_DIR)
-        .join(id)
-        .join(DEFAULT_CONFIG_DIR)
+#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone, Copy)]
+#[serde(deny_unknown_fields)]
+pub enum SocketType {
+    WebSocket,
+    None,
 }

-/// Derive default path to client's config file.
-/// It should get resolved to `$HOME/.nym/clients/<id>/config/config.toml`
-pub fn default_config_filepath<P: AsRef<Path>>(id: P) -> PathBuf {
-    default_config_directory(id).join(DEFAULT_CONFIG_FILENAME)
+impl SocketType {
+    pub fn from_string<S: Into<String>>(val: S) -> Self {
+        let mut upper = val.into();
+        upper.make_ascii_uppercase();
+        match upper.as_ref() {
+            "WEBSOCKET" | "WS" => SocketType::WebSocket,
+            _ => SocketType::None,
+        }
+    }
+
+    pub fn is_websocket(&self) -> bool {
+        matches!(self, SocketType::WebSocket)
+    }
 }

-/// Derive default path to client's data directory where files, such as keys, are stored.
-/// It should get resolved to `$HOME/.nym/clients/<id>/data`
-pub fn default_data_directory<P: AsRef<Path>>(id: P) -> PathBuf {
-    must_get_home()
-        .join(NYM_DIR)
-        .join(DEFAULT_CLIENTS_DIR)
-        .join(id)
-        .join(DEFAULT_DATA_DIR)
-}
-
-#[derive(Debug, Deserialize, PartialEq, Serialize)]
+#[derive(Debug, Default, Deserialize, PartialEq, Serialize)]
+#[serde(deny_unknown_fields)]
 pub struct Config {
    #[serde(flatten)]
-    pub base: BaseClientConfig,
+    base: BaseConfig<Config>,

-    pub socket: Socket,
-
-    // pub paths: CommonClientPathfinder,
-    pub storage_paths: ClientPaths,
-
-    pub logging: LoggingSettings,
+    socket: Socket,
 }

-impl NymConfigTemplate for Config {
+impl NymConfig for Config {
    fn template() -> &'static str {
-        CONFIG_TEMPLATE
+        config_template()
+    }
+
+    fn default_root_directory() -> PathBuf {
+        dirs::home_dir()
+            .expect("Failed to evaluate $HOME value")
+            .join(".nym")
+            .join("clients")
+    }
+
+    fn try_default_root_directory() -> Option<PathBuf> {
+        dirs::home_dir().map(|path| path.join(".nym").join("clients"))
+    }
+
+    fn root_directory(&self) -> PathBuf {
+        self.base.get_nym_root_directory()
+    }
+
+    fn config_directory(&self) -> PathBuf {
+        self.root_directory()
+            .join(self.base.get_id())
+            .join("config")
+    }
+
+    fn data_directory(&self) -> PathBuf {
+        self.root_directory().join(self.base.get_id()).join("data")
+    }
+}
+
+impl ClientCoreConfigTrait for Config {
+    fn get_gateway_endpoint(&self) -> &nym_client_core::config::GatewayEndpointConfig {
+        self.base.get_gateway_endpoint()
    }
 }

 impl Config {
-    pub fn new<S: AsRef<str>>(id: S) -> Self {
+    pub fn new<S: Into<String>>(id: S) -> Self {
        Config {
-            base: BaseClientConfig::new(id.as_ref(), env!("CARGO_PKG_VERSION")),
-            storage_paths: ClientPaths::new_default(default_data_directory(id.as_ref())),
-            logging: Default::default(),
+            base: BaseConfig::new(id),
            socket: Default::default(),
        }
    }

-    pub fn read_from_toml_file<P: AsRef<Path>>(path: P) -> io::Result<Self> {
-        read_config_from_toml_file(path)
-    }
-
-    pub fn read_from_default_path<P: AsRef<Path>>(id: P) -> io::Result<Self> {
-        Self::read_from_toml_file(default_config_filepath(id))
-    }
-
-    pub fn default_location(&self) -> PathBuf {
-        default_config_filepath(&self.base.client.id)
-    }
-
-    pub fn save_to_default_location(&self) -> io::Result<()> {
-        let config_save_location: PathBuf = self.default_location();
-        save_formatted_config_to_file(self, config_save_location)
-    }
-
    pub fn validate(&self) -> bool {
        // no other sections have explicit requirements (yet)
        self.base.validate()
@@ -128,10 +123,39 @@ impl Config {
        self
    }

+    // getters
+    pub fn get_config_file_save_location(&self) -> PathBuf {
+        self.config_directory().join(Self::config_file_name())
+    }
+
+    pub fn get_base(&self) -> &BaseConfig<Self> {
+        &self.base
+    }
+
+    pub fn get_base_mut(&mut self) -> &mut BaseConfig<Self> {
+        &mut self.base
+    }
+
+    pub fn get_debug_settings(&self) -> &DebugConfig {
+        self.get_base().get_debug_config()
+    }
+
+    pub fn get_socket_type(&self) -> SocketType {
+        self.socket.socket_type
+    }
+
+    pub fn get_listening_ip(&self) -> IpAddr {
+        self.socket.host
+    }
+
+    pub fn get_listening_port(&self) -> u16 {
+        self.socket.listening_port
+    }
+
    // poor man's 'builder' method
    pub fn with_base<F, T>(mut self, f: F, val: T) -> Self
    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
+        F: Fn(BaseConfig<Self>, T) -> BaseConfig<Self>,
    {
        self.base = f(self.base, val);
        self
@@ -141,7 +165,7 @@ impl Config {
    // (plz, lets refactor it)
    pub fn with_optional_ext<F, T>(mut self, f: F, val: Option<T>) -> Self
    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
+        F: Fn(BaseConfig<Self>, T) -> BaseConfig<Self>,
    {
        self.base = self.base.with_optional(f, val);
        self
@@ -149,7 +173,7 @@ impl Config {

    pub fn with_optional_env_ext<F, T>(mut self, f: F, val: Option<T>, env_var: &str) -> Self
    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
+        F: Fn(BaseConfig<Self>, T) -> BaseConfig<Self>,
        T: FromStr,
        <T as FromStr>::Err: Debug,
    {
@@ -165,7 +189,7 @@ impl Config {
        parser: G,
    ) -> Self
    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
+        F: Fn(BaseConfig<Self>, T) -> BaseConfig<Self>,
        G: Fn(&str) -> T,
    {
        self.base = self.base.with_optional_custom_env(f, val, env_var, parser);
@@ -173,34 +197,19 @@ impl Config {
    }
 }

-// define_optional_set_inner!(Config, base, BaseClientConfig);
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone, Copy)]
-#[serde(deny_unknown_fields)]
-pub enum SocketType {
-    WebSocket,
-    None,
-}
-
-impl SocketType {
-    pub fn is_websocket(&self) -> bool {
-        matches!(self, SocketType::WebSocket)
-    }
-}
-
 #[derive(Debug, Deserialize, PartialEq, Eq, Serialize)]
 #[serde(default, deny_unknown_fields)]
 pub struct Socket {
-    pub socket_type: SocketType,
-    pub host: IpAddr,
-    pub listening_port: u16,
+    socket_type: SocketType,
+    host: IpAddr,
+    listening_port: u16,
 }

 impl Default for Socket {
    fn default() -> Self {
        Socket {
            socket_type: SocketType::WebSocket,
-            host: IpAddr::V4(Ipv4Addr::LOCALHOST),
+            host: IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)),
            listening_port: DEFAULT_WEBSOCKET_LISTENING_PORT,
        }
    }
@@ -1,33 +1,58 @@
 // Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::client::config::old_config_v1_1_20::{ConfigV1_1_20, SocketV1_1_20};
+use crate::client::config::{Config, Socket};
 use nym_client_core::config::old_config_v1_1_13::OldConfigV1_1_13 as OldBaseConfigV1_1_13;
-use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
+use nym_config::NymConfig;
 use serde::{Deserialize, Serialize};
 use std::path::PathBuf;

-#[derive(Debug, Deserialize, PartialEq, Serialize)]
+#[derive(Debug, Default, Deserialize, PartialEq, Serialize)]
 #[serde(deny_unknown_fields)]
 pub struct OldConfigV1_1_13 {
    #[serde(flatten)]
-    pub base: OldBaseConfigV1_1_13<OldConfigV1_1_13>,
+    base: OldBaseConfigV1_1_13<OldConfigV1_1_13>,

-    pub socket: SocketV1_1_20,
+    socket: Socket,
 }

-impl MigrationNymConfig for OldConfigV1_1_13 {
+impl NymConfig for OldConfigV1_1_13 {
+    fn template() -> &'static str {
+        // not intended to be used
+        unimplemented!()
+    }
+
    fn default_root_directory() -> PathBuf {
        dirs::home_dir()
            .expect("Failed to evaluate $HOME value")
            .join(".nym")
            .join("clients")
    }
+
+    fn try_default_root_directory() -> Option<PathBuf> {
+        dirs::home_dir().map(|path| path.join(".nym").join("clients"))
+    }
+
+    fn root_directory(&self) -> PathBuf {
+        self.base.client.nym_root_directory.clone()
+    }
+
+    fn config_directory(&self) -> PathBuf {
+        self.root_directory()
+            .join(&self.base.client.id)
+            .join("config")
+    }
+
+    fn data_directory(&self) -> PathBuf {
+        self.root_directory()
+            .join(&self.base.client.id)
+            .join("data")
+    }
 }

-impl From<OldConfigV1_1_13> for ConfigV1_1_20 {
+impl From<OldConfigV1_1_13> for Config {
    fn from(value: OldConfigV1_1_13) -> Self {
-        ConfigV1_1_20 {
+        Config {
            base: value.base.into(),
            socket: value.socket,
        }
@@ -1,115 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::client::config::old_config_v1_1_20_2::{
-    ClientPathsV1_1_20_2, ConfigV1_1_20_2, SocketTypeV1_1_20_2, SocketV1_1_20_2,
-};
-use nym_bin_common::logging::LoggingSettings;
-use nym_client_core::config::disk_persistence::keys_paths::ClientKeysPaths;
-use nym_client_core::config::disk_persistence::old_v1_1_20_2::CommonClientPathsV1_1_20_2;
-use nym_client_core::config::old_config_v1_1_20::ConfigV1_1_20 as BaseConfigV1_1_20;
-use nym_client_core::config::old_config_v1_1_20_2::{
-    ClientV1_1_20_2, ConfigV1_1_20_2 as BaseConfigV1_1_20_2,
-};
-use nym_config::defaults::DEFAULT_WEBSOCKET_LISTENING_PORT;
-use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
-use serde::{Deserialize, Serialize};
-use std::fmt::Debug;
-use std::net::{IpAddr, Ipv4Addr};
-use std::path::PathBuf;
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone, Copy)]
-#[serde(deny_unknown_fields)]
-pub enum SocketTypeV1_1_20 {
-    WebSocket,
-    None,
-}
-
-impl From<SocketTypeV1_1_20> for SocketTypeV1_1_20_2 {
-    fn from(value: SocketTypeV1_1_20) -> Self {
-        match value {
-            SocketTypeV1_1_20::WebSocket => SocketTypeV1_1_20_2::WebSocket,
-            SocketTypeV1_1_20::None => SocketTypeV1_1_20_2::None,
-        }
-    }
-}
-
-#[derive(Debug, Deserialize, PartialEq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct ConfigV1_1_20 {
-    #[serde(flatten)]
-    pub base: BaseConfigV1_1_20<ConfigV1_1_20>,
-
-    pub socket: SocketV1_1_20,
-}
-
-impl From<ConfigV1_1_20> for ConfigV1_1_20_2 {
-    fn from(value: ConfigV1_1_20) -> Self {
-        ConfigV1_1_20_2 {
-            base: BaseConfigV1_1_20_2 {
-                client: ClientV1_1_20_2 {
-                    version: value.base.client.version,
-                    id: value.base.client.id,
-                    disabled_credentials_mode: value.base.client.disabled_credentials_mode,
-                    nyxd_urls: value.base.client.nyxd_urls,
-                    nym_api_urls: value.base.client.nym_api_urls,
-                    gateway_endpoint: value.base.client.gateway_endpoint.into(),
-                },
-                debug: value.base.debug.into(),
-            },
-            socket: value.socket.into(),
-            storage_paths: ClientPathsV1_1_20_2 {
-                common_paths: CommonClientPathsV1_1_20_2 {
-                    keys: ClientKeysPaths {
-                        private_identity_key_file: value.base.client.private_identity_key_file,
-                        public_identity_key_file: value.base.client.public_identity_key_file,
-                        private_encryption_key_file: value.base.client.private_encryption_key_file,
-                        public_encryption_key_file: value.base.client.public_encryption_key_file,
-                        gateway_shared_key_file: value.base.client.gateway_shared_key_file,
-                        ack_key_file: value.base.client.ack_key_file,
-                    },
-                    credentials_database: value.base.client.database_path,
-                    reply_surb_database: value.base.client.reply_surb_database_path,
-                },
-            },
-            logging: LoggingSettings::default(),
-        }
-    }
-}
-
-impl MigrationNymConfig for ConfigV1_1_20 {
-    fn default_root_directory() -> PathBuf {
-        dirs::home_dir()
-            .expect("Failed to evaluate $HOME value")
-            .join(".nym")
-            .join("clients")
-    }
-}
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize)]
-#[serde(default, deny_unknown_fields)]
-pub struct SocketV1_1_20 {
-    socket_type: SocketTypeV1_1_20,
-    host: IpAddr,
-    listening_port: u16,
-}
-
-impl From<SocketV1_1_20> for SocketV1_1_20_2 {
-    fn from(value: SocketV1_1_20) -> Self {
-        SocketV1_1_20_2 {
-            socket_type: value.socket_type.into(),
-            host: value.host,
-            listening_port: value.listening_port,
-        }
-    }
-}
-
-impl Default for SocketV1_1_20 {
-    fn default() -> Self {
-        SocketV1_1_20 {
-            socket_type: SocketTypeV1_1_20::WebSocket,
-            host: IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)),
-            listening_port: DEFAULT_WEBSOCKET_LISTENING_PORT,
-        }
-    }
-}
@@ -1,103 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::client::config::persistence::ClientPaths;
-use crate::client::config::{default_config_filepath, Config, Socket, SocketType};
-use nym_bin_common::logging::LoggingSettings;
-use nym_client_core::config::disk_persistence::old_v1_1_20_2::CommonClientPathsV1_1_20_2;
-use nym_client_core::config::old_config_v1_1_20_2::ConfigV1_1_20_2 as BaseConfigV1_1_20_2;
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_config::read_config_from_toml_file;
-use nym_network_defaults::DEFAULT_WEBSOCKET_LISTENING_PORT;
-use serde::{Deserialize, Serialize};
-use std::io;
-use std::net::{IpAddr, Ipv4Addr};
-use std::path::Path;
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone)]
-pub struct ClientPathsV1_1_20_2 {
-    #[serde(flatten)]
-    pub common_paths: CommonClientPathsV1_1_20_2,
-}
-
-#[derive(Debug, Deserialize, PartialEq, Serialize)]
-pub struct ConfigV1_1_20_2 {
-    #[serde(flatten)]
-    pub base: BaseConfigV1_1_20_2,
-
-    pub socket: SocketV1_1_20_2,
-
-    pub storage_paths: ClientPathsV1_1_20_2,
-
-    pub logging: LoggingSettings,
-}
-
-impl ConfigV1_1_20_2 {
-    pub fn read_from_toml_file<P: AsRef<Path>>(path: P) -> io::Result<Self> {
-        read_config_from_toml_file(path)
-    }
-
-    pub fn read_from_default_path<P: AsRef<Path>>(id: P) -> io::Result<Self> {
-        Self::read_from_toml_file(default_config_filepath(id))
-    }
-
-    // in this upgrade, gateway endpoint configuration was moved out of the config file,
-    // so its returned to be stored elsewhere.
-    pub fn upgrade(self) -> (Config, GatewayEndpointConfig) {
-        let gateway_details = self.base.client.gateway_endpoint.clone().into();
-        let config = Config {
-            base: self.base.into(),
-            socket: self.socket.into(),
-            storage_paths: ClientPaths {
-                common_paths: self.storage_paths.common_paths.upgrade_default(),
-            },
-            logging: self.logging,
-        };
-
-        (config, gateway_details)
-    }
-}
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone, Copy)]
-#[serde(deny_unknown_fields)]
-pub enum SocketTypeV1_1_20_2 {
-    WebSocket,
-    None,
-}
-
-impl From<SocketTypeV1_1_20_2> for SocketType {
-    fn from(value: SocketTypeV1_1_20_2) -> Self {
-        match value {
-            SocketTypeV1_1_20_2::WebSocket => SocketType::WebSocket,
-            SocketTypeV1_1_20_2::None => SocketType::None,
-        }
-    }
-}
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize)]
-#[serde(default, deny_unknown_fields)]
-pub struct SocketV1_1_20_2 {
-    pub socket_type: SocketTypeV1_1_20_2,
-    pub host: IpAddr,
-    pub listening_port: u16,
-}
-
-impl From<SocketV1_1_20_2> for Socket {
-    fn from(value: SocketV1_1_20_2) -> Self {
-        Socket {
-            socket_type: value.socket_type.into(),
-            host: value.host,
-            listening_port: value.listening_port,
-        }
-    }
-}
-
-impl Default for SocketV1_1_20_2 {
-    fn default() -> Self {
-        SocketV1_1_20_2 {
-            socket_type: SocketTypeV1_1_20_2::WebSocket,
-            host: IpAddr::V4(Ipv4Addr::LOCALHOST),
-            listening_port: DEFAULT_WEBSOCKET_LISTENING_PORT,
-        }
-    }
-}
@@ -1,20 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use nym_client_core::config::disk_persistence::CommonClientPaths;
-use serde::{Deserialize, Serialize};
-use std::path::Path;
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone)]
-pub struct ClientPaths {
-    #[serde(flatten)]
-    pub common_paths: CommonClientPaths,
-}
-
-impl ClientPaths {
-    pub fn new_default<P: AsRef<Path>>(base_data_directory: P) -> Self {
-        ClientPaths {
-            common_paths: CommonClientPaths::new_default(base_data_directory),
-        }
-    }
-}
@@ -1,11 +1,12 @@
 // Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-// While using normal toml marshalling would have been way simpler with less overhead,
-// I think it's useful to have comments attached to the saved config file to explain behaviour of
-// particular fields.
-// Note: any changes to the template must be reflected in the appropriate structs.
-pub(crate) const CONFIG_TEMPLATE: &str = r#"
+pub(crate) fn config_template() -> &'static str {
+    // While using normal toml marshalling would have been way simpler with less overhead,
+    // I think it's useful to have comments attached to the saved config file to explain behaviour of
+    // particular fields.
+    // Note: any changes to the template must be reflected in the appropriate structs.
+    r#"
 # This is a TOML config file.
 # For more information, see https://github.com/toml-lang/toml

@@ -36,37 +37,50 @@ nym_api_urls = [
    {{/each}}
 ]

-[storage_paths] 
-
 # Path to file containing private identity key.
-keys.private_identity_key_file = '{{ storage_paths.keys.private_identity_key_file }}'
+private_identity_key_file = '{{ client.private_identity_key_file }}'

 # Path to file containing public identity key.
-keys.public_identity_key_file = '{{ storage_paths.keys.public_identity_key_file }}'
+public_identity_key_file = '{{ client.public_identity_key_file }}'

 # Path to file containing private encryption key.
-keys.private_encryption_key_file = '{{ storage_paths.keys.private_encryption_key_file }}'
+private_encryption_key_file = '{{ client.private_encryption_key_file }}'

 # Path to file containing public encryption key.
-keys.public_encryption_key_file = '{{ storage_paths.keys.public_encryption_key_file }}'
+public_encryption_key_file = '{{ client.public_encryption_key_file }}'
+
+# Path to the database containing bandwidth credentials
+database_path = '{{ client.database_path }}'
+
+# Path to the persistent store for received reply surbs, unused encryption keys and used sender tags.
+reply_surb_database_path = '{{ client.reply_surb_database_path }}'
+
+##### additional client config options #####

 # A gateway specific, optional, base58 stringified shared key used for
 # communication with particular gateway.
-keys.gateway_shared_key_file = '{{ storage_paths.keys.gateway_shared_key_file }}'
+gateway_shared_key_file = '{{ client.gateway_shared_key_file }}'

 # Path to file containing key used for encrypting and decrypting the content of an
 # acknowledgement so that nobody besides the client knows which packet it refers to.
-keys.ack_key_file = '{{ storage_paths.keys.ack_key_file }}'
+ack_key_file = '{{ client.ack_key_file }}'
    
-# Path to the database containing bandwidth credentials
-credentials_database = '{{ storage_paths.credentials_database }}'
+##### advanced configuration options #####
+
+# Absolute path to the home Nym Clients directory.
+nym_root_directory = '{{ client.nym_root_directory }}'
+
+[client.gateway_endpoint]
+# ID of the gateway from which the client should be fetching messages.
+gateway_id = '{{ client.gateway_endpoint.gateway_id }}'
+
+# Address of the gateway owner to which the client should send messages.
+gateway_owner = '{{ client.gateway_endpoint.gateway_owner }}'
+
+# Address of the gateway listener to which all client requests should be sent.
+gateway_listener = '{{ client.gateway_endpoint.gateway_listener }}'

-# Path to the persistent store for received reply surbs, unused encryption keys and used sender tags.
-reply_surb_database = '{{ storage_paths.reply_surb_database }}'

-# Path to the file containing information about gateway used by this client,
-# i.e. details such as its public key, owner address or the network information.
-gateway_details = '{{ storage_paths.gateway_details }}'

 ##### socket config options #####

@@ -106,5 +120,5 @@ average_ack_delay = '{{ debug.acknowledgements.average_ack_delay }}'
 [debug.cover_traffic]
 loop_cover_traffic_average_delay = '{{ debug.cover_traffic.loop_cover_traffic_average_delay }}'

-
-"#;
+"#
+}
@@ -1,4 +1,4 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021-2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

 use crate::client::config::Config;
@@ -6,40 +6,85 @@ use crate::error::ClientError;
 use crate::websocket;
 use futures::channel::mpsc;
 use log::*;
-use nym_client_core::client::base_client::non_wasm_helpers::default_query_dkg_client_from_config;
-use nym_client_core::client::base_client::storage::OnDiskPersistent;
+use nym_bandwidth_controller::BandwidthController;
 use nym_client_core::client::base_client::{
-    BaseClientBuilder, ClientInput, ClientOutput, ClientState,
+    non_wasm_helpers, BaseClientBuilder, ClientInput, ClientOutput, ClientState,
 };
 use nym_client_core::client::inbound_messages::InputMessage;
 use nym_client_core::client::received_buffer::{
    ReceivedBufferMessage, ReceivedBufferRequestSender, ReconstructedMessagesReceiver,
 };
+use nym_client_core::config::persistence::key_pathfinder::ClientKeyPathfinder;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::params::PacketType;
 use nym_task::connections::TransmissionLane;
 use nym_task::TaskManager;
 use nym_validator_client::nyxd::QueryNyxdClient;
-use nym_validator_client::Client;
 use std::error::Error;
 use tokio::sync::watch::error::SendError;

+pub use nym_client_core::client::key_manager::KeyManager;
+use nym_credential_storage::persistent_storage::PersistentStorage;
 pub use nym_sphinx::addressing::clients::Recipient;
 pub use nym_sphinx::receiver::ReconstructedMessage;
+use nym_validator_client::Client;

 pub mod config;

-type NativeClientBuilder<'a> = BaseClientBuilder<'a, Client<QueryNyxdClient>, OnDiskPersistent>;
-
 pub struct SocketClient {
    /// Client configuration options, including, among other things, packet sending rates,
    /// key filepaths, etc.
    config: Config,
+
+    /// KeyManager object containing smart pointers to all relevant keys used by the client.
+    key_manager: KeyManager,
 }

 impl SocketClient {
    pub fn new(config: Config) -> Self {
-        SocketClient { config }
+        let pathfinder = ClientKeyPathfinder::new_from_config(config.get_base());
+        let key_manager = KeyManager::load_keys(&pathfinder).expect("failed to load stored keys");
+
+        SocketClient {
+            config,
+            key_manager,
+        }
+    }
+
+    pub fn new_with_keys(config: Config, key_manager: KeyManager) -> Self {
+        SocketClient {
+            config,
+            key_manager,
+        }
+    }
+
+    async fn create_bandwidth_controller(
+        config: &Config,
+    ) -> BandwidthController<Client<QueryNyxdClient>, PersistentStorage> {
+        let details = nym_network_defaults::NymNetworkDetails::new_from_env();
+        let mut client_config =
+            nym_validator_client::Config::try_from_nym_network_details(&details)
+                .expect("failed to construct validator client config");
+        let nyxd_url = config
+            .get_base()
+            .get_validator_endpoints()
+            .pop()
+            .expect("No nyxd validator endpoint provided");
+        let api_url = config
+            .get_base()
+            .get_nym_api_endpoints()
+            .pop()
+            .expect("No validator api endpoint provided");
+        // overwrite env configuration with config URLs
+        client_config = client_config.with_urls(nyxd_url, api_url);
+        let client = nym_validator_client::Client::new_query(client_config)
+            .expect("Could not construct query client");
+        BandwidthController::new(
+            nym_credential_storage::initialise_persistent_storage(
+                config.get_base().get_database_path(),
+            )
+            .await,
+            client,
+        )
    }

    fn start_websocket_listener(
@@ -49,7 +94,6 @@ impl SocketClient {
        client_state: ClientState,
        self_address: &Recipient,
        shutdown: nym_task::TaskClient,
-        packet_type: PacketType,
    ) {
        info!("Starting websocket listener...");

@@ -75,10 +119,9 @@ impl SocketClient {
            self_address,
            shared_lane_queue_lengths,
            reply_controller_sender,
-            Some(packet_type),
        );

-        websocket::Listener::new(config.socket.host, config.socket.listening_port)
+        websocket::Listener::new(config.get_listening_ip(), config.get_listening_port())
            .start(websocket_handler, shutdown);
    }

@@ -91,39 +134,31 @@ impl SocketClient {
        res
    }

-    async fn initialise_storage(&self) -> Result<OnDiskPersistent, ClientError> {
-        Ok(OnDiskPersistent::from_paths(
-            self.config.storage_paths.common_paths.clone(),
-            &self.config.base.debug,
-        )
-        .await?)
-    }
-
-    // TODO: see if this could also be shared with socks5 client / nym-sdk maybe
-    async fn create_base_client_builder(&self) -> Result<NativeClientBuilder, ClientError> {
-        // don't create dkg client for the bandwidth controller if credentials are disabled
-        let dkg_query_client = if self.config.base.client.disabled_credentials_mode {
-            None
-        } else {
-            Some(default_query_dkg_client_from_config(&self.config.base))
-        };
-
-        let storage = self.initialise_storage().await?;
-
-        let base_client = BaseClientBuilder::new(&self.config.base, storage, dkg_query_client);
-
-        Ok(base_client)
-    }
-
    pub async fn start_socket(self) -> Result<TaskManager, ClientError> {
-        if !self.config.socket.socket_type.is_websocket() {
+        if !self.config.get_socket_type().is_websocket() {
            return Err(ClientError::InvalidSocketMode);
        }

-        let base_builder = self.create_base_client_builder().await?;
-        let packet_type = self.config.base.debug.traffic.packet_type;
+        // don't create bandwidth controller if credentials are disabled
+        let bandwidth_controller = if self.config.get_base().get_disabled_credentials_mode() {
+            None
+        } else {
+            Some(Self::create_bandwidth_controller(&self.config).await)
+        };
+
+        let base_builder = BaseClientBuilder::new_from_base_config(
+            self.config.get_base(),
+            self.key_manager,
+            bandwidth_controller,
+            non_wasm_helpers::setup_fs_reply_surb_backend(
+                Some(self.config.get_base().get_reply_surb_database_path()),
+                self.config.get_debug_settings(),
+            )
+            .await?,
+        );
+
+        let self_address = base_builder.as_mix_recipient();
        let mut started_client = base_builder.start_base().await?;
-        let self_address = started_client.address;
        let client_input = started_client.client_input.register_producer();
        let client_output = started_client.client_output.register_consumer();
        let client_state = started_client.client_state;
@@ -135,24 +170,40 @@ impl SocketClient {
            client_state,
            &self_address,
            started_client.task_manager.subscribe(),
-            packet_type,
        );

        info!("Client startup finished!");
-        info!("The address of this client is: {self_address}");
+        info!("The address of this client is: {}", self_address);

        Ok(started_client.task_manager)
    }

    pub async fn start_direct(self) -> Result<DirectClient, ClientError> {
-        if self.config.socket.socket_type.is_websocket() {
+        if self.config.get_socket_type().is_websocket() {
            return Err(ClientError::InvalidSocketMode);
        }

-        let base_builder = self.create_base_client_builder().await?;
-        let packet_type = self.config.base.debug.traffic.packet_type;
-        let mut started_client = base_builder.start_base().await?;
-        let address = started_client.address;
+        // don't create bandwidth controller if credentials are disabled
+        let bandwidth_controller = if self.config.get_base().get_disabled_credentials_mode() {
+            None
+        } else {
+            Some(Self::create_bandwidth_controller(&self.config).await)
+        };
+
+        let base_client = BaseClientBuilder::new_from_base_config(
+            self.config.get_base(),
+            self.key_manager,
+            bandwidth_controller,
+            non_wasm_helpers::setup_fs_reply_surb_backend(
+                Some(self.config.get_base().get_reply_surb_database_path()),
+                self.config.get_debug_settings(),
+            )
+            .await?,
+        );
+
+        let address = base_client.as_mix_recipient();
+
+        let mut started_client = base_client.start_base().await?;
        let client_input = started_client.client_input.register_producer();
        let client_output = started_client.client_output.register_consumer();

@@ -173,7 +224,6 @@ impl SocketClient {
            reconstructed_receiver,
            address,
            shutdown_notifier: started_client.task_manager,
-            packet_type,
        })
    }
 }
@@ -187,7 +237,6 @@ pub struct DirectClient {

    // we need to keep reference to this guy otherwise things will start dropping
    shutdown_notifier: TaskManager,
-    packet_type: PacketType,
 }

 impl DirectClient {
@@ -208,7 +257,7 @@ impl DirectClient {
    /// well enough in local tests)
    pub async fn send_regular_message(&mut self, recipient: Recipient, message: Vec<u8>) {
        let lane = TransmissionLane::General;
-        let input_msg = InputMessage::new_regular(recipient, message, lane, Some(self.packet_type));
+        let input_msg = InputMessage::new_regular(recipient, message, lane);

        self.client_input
            .input_sender
@@ -227,13 +276,7 @@ impl DirectClient {
        reply_surbs: u32,
    ) {
        let lane = TransmissionLane::General;
-        let input_msg = InputMessage::new_anonymous(
-            recipient,
-            message,
-            reply_surbs,
-            lane,
-            Some(self.packet_type),
-        );
+        let input_msg = InputMessage::new_anonymous(recipient, message, reply_surbs, lane);

        self.client_input
            .input_sender
@@ -247,8 +290,7 @@ impl DirectClient {
    /// well enough in local tests)
    pub async fn send_reply(&mut self, recipient_tag: AnonymousSenderTag, message: Vec<u8>) {
        let lane = TransmissionLane::General;
-        let input_msg =
-            InputMessage::new_reply(recipient_tag, message, lane, Some(self.packet_type));
+        let input_msg = InputMessage::new_reply(recipient_tag, message, lane);

        self.client_input
            .input_sender
@@ -1,10 +1,7 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::client::config::{
-    default_config_directory, default_config_filepath, default_data_directory,
-};
-use crate::commands::try_upgrade_config;
+use crate::commands::try_upgrade_v1_1_13_config;
 use crate::{
    client::config::Config,
    commands::{override_config, OverrideConfig},
@@ -12,16 +9,13 @@ use crate::{
 };
 use clap::Args;
 use nym_bin_common::output_format::OutputFormat;
-use nym_client_core::client::base_client::storage::gateway_details::OnDiskGatewayDetails;
-use nym_client_core::client::key_manager::persistence::OnDiskKeys;
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_client_core::init::GatewaySetup;
+use nym_config::NymConfig;
+use nym_credential_storage::persistent_storage::PersistentStorage;
 use nym_crypto::asymmetric::identity;
 use nym_sphinx::addressing::clients::Recipient;
 use serde::Serialize;
 use std::fmt::Display;
 use std::net::IpAddr;
-use std::{fs, io};
 use tap::TapFallible;

 #[derive(Args, Clone)]
@@ -103,15 +97,15 @@ impl From<Init> for OverrideConfig {
 pub struct InitResults {
    #[serde(flatten)]
    client_core: nym_client_core::init::InitResults,
-    client_listening_port: u16,
+    client_listening_port: String,
    client_address: String,
 }

 impl InitResults {
-    fn new(config: &Config, address: &Recipient, gateway: &GatewayEndpointConfig) -> Self {
+    fn new(config: &Config, address: &Recipient) -> Self {
        Self {
-            client_core: nym_client_core::init::InitResults::new(&config.base, address, gateway),
-            client_listening_port: config.socket.listening_port,
+            client_core: nym_client_core::init::InitResults::new(config.get_base(), address),
+            client_listening_port: config.get_listening_port().to_string(),
            client_address: address.to_string(),
        }
    }
@@ -125,26 +119,18 @@ impl Display for InitResults {
    }
 }

-fn init_paths(id: &str) -> io::Result<()> {
-    fs::create_dir_all(default_data_directory(id))?;
-    fs::create_dir_all(default_config_directory(id))
-}
-
 pub(crate) async fn execute(args: &Init) -> Result<(), ClientError> {
    eprintln!("Initialising client...");

    let id = &args.id;

-    let already_init = if default_config_filepath(id).exists() {
+    let already_init = Config::default_config_file_path(id).exists();
+    if already_init {
        // in case we're using old config, try to upgrade it
        // (if we're using the current version, it's a no-op)
-        try_upgrade_config(id)?;
+        try_upgrade_v1_1_13_config(id)?;
        eprintln!("Client \"{id}\" was already initialised before");
-        true
-    } else {
-        init_paths(id)?;
-        false
-    };
+    }

    // Usually you only register with the gateway on the first init, however you can force
    // re-registering if wanted.
@@ -160,44 +146,45 @@ pub(crate) async fn execute(args: &Init) -> Result<(), ClientError> {

    // Attempt to use a user-provided gateway, if possible
    let user_chosen_gateway_id = args.gateway;
-    let gateway_setup = GatewaySetup::new_fresh(
-        user_chosen_gateway_id.map(|id| id.to_base58_string()),
-        Some(args.latency_based_selection),
-    );

    // Load and potentially override config
-    let config = override_config(Config::new(id), OverrideConfig::from(args.clone()));
+    let mut config = override_config(Config::new(id), OverrideConfig::from(args.clone()));

    // Setup gateway by either registering a new one, or creating a new config from the selected
    // one but with keys kept, or reusing the gateway configuration.
-    let key_store = OnDiskKeys::new(config.storage_paths.common_paths.keys.clone());
-    let details_store =
-        OnDiskGatewayDetails::new(&config.storage_paths.common_paths.gateway_details);
-    let init_details = nym_client_core::init::setup_gateway(
-        &gateway_setup,
-        &key_store,
-        &details_store,
+    let gateway = nym_client_core::init::setup_gateway_from_config::<Config, _, PersistentStorage>(
        register_gateway,
-        Some(&config.base.client.nym_api_urls),
+        user_chosen_gateway_id,
+        config.get_base(),
+        args.latency_based_selection,
    )
    .await
    .tap_err(|err| eprintln!("Failed to setup gateway\nError: {err}"))?;

-    let config_save_location = config.default_location();
-    config.save_to_default_location().tap_err(|_| {
+    config.get_base_mut().set_gateway_endpoint(gateway);
+
+    config.save_to_file(None).tap_err(|_| {
        log::error!("Failed to save the config file");
    })?;
-    eprintln!(
-        "Saved configuration file to {}",
-        config_save_location.display()
-    );

-    let address = init_details.client_address()?;
+    print_saved_config(&config);

-    eprintln!("Client configuration completed.\n");
-
-    let init_results = InitResults::new(&config, &address, &init_details.gateway_details);
+    let address = nym_client_core::init::get_client_address_from_stored_keys(config.get_base())?;
+    let init_results = InitResults::new(&config, &address);
    println!("{}", args.output.format(&init_results));

    Ok(())
 }
+
+fn print_saved_config(config: &Config) {
+    let config_save_location = config.get_config_file_save_location();
+    eprintln!("Saved configuration file to {config_save_location:?}");
+    eprintln!("Using gateway: {}", config.get_base().get_gateway_id());
+    log::debug!("Gateway id: {}", config.get_base().get_gateway_id());
+    log::debug!("Gateway owner: {}", config.get_base().get_gateway_owner());
+    log::debug!(
+        "Gateway listener: {}",
+        config.get_base().get_gateway_listener()
+    );
+    eprintln!("Client configuration completed.\n");
+}
@@ -2,23 +2,14 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::client::config::old_config_v1_1_13::OldConfigV1_1_13;
-use crate::client::config::old_config_v1_1_20::ConfigV1_1_20;
-use crate::client::config::old_config_v1_1_20_2::ConfigV1_1_20_2;
-use crate::client::config::{BaseClientConfig, Config};
-use crate::error::ClientError;
+use crate::client::config::{BaseConfig, Config};
 use clap::CommandFactory;
 use clap::{Parser, Subcommand};
 use lazy_static::lazy_static;
-use log::{error, info};
+use log::info;
 use nym_bin_common::build_information::BinaryBuildInformation;
 use nym_bin_common::completions::{fig_generate, ArgShell};
-use nym_client_core::client::base_client::storage::gateway_details::{
-    OnDiskGatewayDetails, PersistedGatewayDetails,
-};
-use nym_client_core::client::key_manager::persistence::OnDiskKeys;
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_client_core::error::ClientCoreError;
-use nym_config::OptionalSet;
+use nym_config::{NymConfig, OptionalSet};
 use std::error::Error;
 use std::net::IpAddr;

@@ -91,151 +82,40 @@ pub(crate) async fn execute(args: &Cli) -> Result<(), Box<dyn Error + Send + Syn
 pub(crate) fn override_config(config: Config, args: OverrideConfig) -> Config {
    config
        .with_optional(Config::with_disabled_socket, args.disable_socket)
-        .with_base(
-            BaseClientConfig::with_high_default_traffic_volume,
-            args.fastmode,
-        )
-        .with_base(BaseClientConfig::with_disabled_cover_traffic, args.no_cover)
+        .with_base(BaseConfig::with_high_default_traffic_volume, args.fastmode)
+        .with_base(BaseConfig::with_disabled_cover_traffic, args.no_cover)
        .with_optional(Config::with_port, args.port)
        .with_optional(Config::with_host, args.host)
        .with_optional_custom_env_ext(
-            BaseClientConfig::with_custom_nym_apis,
+            BaseConfig::with_custom_nym_apis,
            args.nym_apis,
            nym_network_defaults::var_names::NYM_API,
            nym_config::parse_urls,
        )
        .with_optional_custom_env_ext(
-            BaseClientConfig::with_custom_nyxd,
+            BaseConfig::with_custom_nyxd,
            args.nyxd_urls,
            nym_network_defaults::var_names::NYXD,
            nym_config::parse_urls,
        )
        .with_optional_ext(
-            BaseClientConfig::with_disabled_credentials,
+            BaseConfig::with_disabled_credentials,
            args.enabled_credentials_mode.map(|b| !b),
        )
 }

-fn persist_gateway_details(
-    config: &Config,
-    details: GatewayEndpointConfig,
-) -> Result<(), ClientError> {
-    let details_store =
-        OnDiskGatewayDetails::new(&config.storage_paths.common_paths.gateway_details);
-    let keys_store = OnDiskKeys::new(config.storage_paths.common_paths.keys.clone());
-    let shared_keys = keys_store.ephemeral_load_gateway_keys().map_err(|source| {
-        ClientError::ClientCoreError(ClientCoreError::KeyStoreError {
-            source: Box::new(source),
-        })
-    })?;
-    let persisted_details = PersistedGatewayDetails::new(details, &shared_keys);
-    details_store
-        .store_to_disk(&persisted_details)
-        .map_err(|source| {
-            ClientError::ClientCoreError(ClientCoreError::GatewayDetailsStoreError {
-                source: Box::new(source),
-            })
-        })
-}
-
-fn try_upgrade_v1_1_13_config(id: &str) -> Result<bool, ClientError> {
-    use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
-
-    // explicitly load it as v1.1.13 (which is incompatible with the next step, i.e. 1.1.19)
+fn try_upgrade_v1_1_13_config(id: &str) -> std::io::Result<()> {
+    // explicitly load it as v1.1.13 (which is incompatible with the current, i.e. 1.1.14+)
    let Ok(old_config) = OldConfigV1_1_13::load_from_file(id) else {
        // if we failed to load it, there might have been nothing to upgrade
        // or maybe it was an even older file. in either way. just ignore it and carry on with our day
-        return Ok(false);
+        return Ok(());
    };
    info!("It seems the client is using <= v1.1.13 config template.");
    info!("It is going to get updated to the current specification.");

-    let updated_step1: ConfigV1_1_20 = old_config.into();
-    let updated_step2: ConfigV1_1_20_2 = updated_step1.into();
-    let (updated, gateway_config) = updated_step2.upgrade();
-    persist_gateway_details(&updated, gateway_config)?;
-
-    updated.save_to_default_location()?;
-    Ok(true)
-}
-
-fn try_upgrade_v1_1_20_config(id: &str) -> Result<bool, ClientError> {
-    use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
-
-    // explicitly load it as v1.1.20 (which is incompatible with the current one, i.e. +1.1.21)
-    let Ok(old_config) = ConfigV1_1_20::load_from_file(id) else {
-        // if we failed to load it, there might have been nothing to upgrade
-        // or maybe it was an even older file. in either way. just ignore it and carry on with our day
-        return Ok(false);
-    };
-    info!("It seems the client is using <= v1.1.20 config template.");
-    info!("It is going to get updated to the current specification.");
-
-    let updated_step1: ConfigV1_1_20_2 = old_config.into();
-    let (updated, gateway_config) = updated_step1.upgrade();
-    persist_gateway_details(&updated, gateway_config)?;
-
-    updated.save_to_default_location()?;
-    Ok(true)
-}
-
-fn try_upgrade_v1_1_20_2_config(id: &str) -> Result<bool, ClientError> {
-    // explicitly load it as v1.1.20_2 (which is incompatible with the current one, i.e. +1.1.21)
-    let Ok(old_config) = ConfigV1_1_20_2::read_from_default_path(id) else {
-        // if we failed to load it, there might have been nothing to upgrade
-        // or maybe it was an even older file. in either way. just ignore it and carry on with our day
-        return Ok(false);
-    };
-    info!("It seems the client is using <= v1.1.20_2 config template.");
-    info!("It is going to get updated to the current specification.");
-
-    let (updated, gateway_config) = old_config.upgrade();
-    persist_gateway_details(&updated, gateway_config)?;
-
-    updated.save_to_default_location()?;
-    Ok(true)
-}
-
-fn try_upgrade_config(id: &str) -> Result<(), ClientError> {
-    if try_upgrade_v1_1_13_config(id)? {
-        return Ok(());
-    }
-    if try_upgrade_v1_1_20_config(id)? {
-        return Ok(());
-    }
-    if try_upgrade_v1_1_20_2_config(id)? {
-        return Ok(());
-    }
-
-    Ok(())
-}
-
-fn try_load_current_config(id: &str) -> Result<Config, ClientError> {
-    // try to load the config as is
-    if let Ok(cfg) = Config::read_from_default_path(id) {
-        return if !cfg.validate() {
-            Err(ClientError::ConfigValidationFailure)
-        } else {
-            Ok(cfg)
-        };
-    }
-
-    // we couldn't load it - try upgrading it from older revisions
-    try_upgrade_config(id)?;
-
-    let config = match Config::read_from_default_path(id) {
-        Ok(cfg) => cfg,
-        Err(err) => {
-            error!("Failed to load config for {id}. Are you sure you have run `init` before? (Error was: {err})");
-            return Err(ClientError::FailedToLoadConfig(id.to_string()));
-        }
-    };
-
-    if !config.validate() {
-        return Err(ClientError::ConfigValidationFailure);
-    }
-
-    Ok(config)
+    let updated: Config = old_config.into();
+    updated.save_to_file(None)
 }

 #[cfg(test)]
@@ -1,7 +1,10 @@
 // Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::commands::try_load_current_config;
+use std::error::Error;
+use std::net::IpAddr;
+
+use crate::commands::try_upgrade_v1_1_13_config;
 use crate::{
    client::{config::Config, SocketClient},
    commands::{override_config, OverrideConfig},
@@ -10,9 +13,8 @@ use crate::{
 use clap::Args;
 use log::*;
 use nym_bin_common::version_checker::is_minor_version_compatible;
+use nym_config::NymConfig;
 use nym_crypto::asymmetric::identity;
-use std::error::Error;
-use std::net::IpAddr;

 #[derive(Args, Clone)]
 pub(crate) struct Run {
@@ -80,7 +82,7 @@ impl From<Run> for OverrideConfig {
 // network version. It might do so in the future.
 fn version_check(cfg: &Config) -> bool {
    let binary_version = env!("CARGO_PKG_VERSION");
-    let config_version = &cfg.base.client.version;
+    let config_version = cfg.get_base().get_version();
    if binary_version == config_version {
        true
    } else {
@@ -96,10 +98,30 @@ fn version_check(cfg: &Config) -> bool {
 }

 pub(crate) async fn execute(args: &Run) -> Result<(), Box<dyn Error + Send + Sync>> {
-    eprintln!("Starting client {}...", args.id);
+    let id = &args.id;

-    let mut config = try_load_current_config(&args.id)?;
-    config = override_config(config, OverrideConfig::from(args.clone()));
+    // in case we're using old config, try to upgrade it
+    // (if we're using the current version, it's a no-op)
+    try_upgrade_v1_1_13_config(id)?;
+
+    let mut config = match Config::load_from_file(id) {
+        Ok(cfg) => cfg,
+        Err(err) => {
+            error!("Failed to load config for {}. Are you sure you have run `init` before? (Error was: {err})", id);
+            return Err(Box::new(ClientError::FailedToLoadConfig(id.to_string())));
+        }
+    };
+
+    if !config.validate() {
+        return Err(Box::new(ClientError::ConfigValidationFailure));
+    }
+
+    let override_config_fields = OverrideConfig::from(args.clone());
+    config = override_config(config, override_config_fields);
+
+    if config.get_base_mut().set_empty_fields_to_defaults() {
+        warn!("some of the core config options were left unset. the default values are going to get used instead.");
+    }

    if !version_check(&config) {
        error!("failed the local version check");
@@ -1,14 +1,42 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::client::config::Config;
-use crate::commands::try_load_current_config;
-use clap::Args;
+use crate::client::config::{Config, MISSING_VALUE};
+
 use nym_bin_common::version_checker::Version;
+use nym_config::NymConfig;
+
+use clap::Args;
+use std::fmt::Display;
 use std::process;

-fn unimplemented_upgrade(current_version: &Version, config_version: &Version) -> ! {
-    eprintln!("Cannot perform upgrade from {config_version} to {current_version} as it hasn't been implemented yet");
+#[allow(dead_code)]
+fn fail_upgrade<D1: Display, D2: Display>(from_version: D1, to_version: D2) -> ! {
+    print_failed_upgrade(from_version, to_version);
+    process::exit(1)
+}
+
+fn print_start_upgrade<D1: Display, D2: Display>(from: D1, to: D2) {
+    println!("\n==================\nTrying to upgrade client from {from} to {to} ...");
+}
+
+fn print_failed_upgrade<D1: Display, D2: Display>(from: D1, to: D2) {
+    eprintln!("Upgrade from {from} to {to} failed!\n==================\n");
+}
+
+fn print_successful_upgrade<D1: Display, D2: Display>(from: D1, to: D2) {
+    println!("Upgrade from {from} to {to} was successful!\n==================\n");
+}
+
+fn outdated_upgrade(config_version: &Version, package_version: &Version) -> ! {
+    eprintln!(
+        "Cannot perform upgrade from {config_version} to {package_version}. Your version is too old to perform the upgrade.!"
+    );
+    process::exit(1)
+}
+
+fn unsupported_upgrade(current_version: &Version, config_version: &Version) -> ! {
+    eprintln!("Cannot perform upgrade from {config_version} to {current_version}. Please let the developers know about this issue if you expected it to work!");
    process::exit(1)
 }

@@ -20,7 +48,7 @@ pub(crate) struct Upgrade {
 }

 fn parse_config_version(config: &Config) -> Version {
-    let version = Version::parse(&config.base.client.version).unwrap_or_else(|err| {
+    let version = Version::parse(config.get_base().get_version()).unwrap_or_else(|err| {
        eprintln!("failed to parse client version! - {err}");
        process::exit(1)
    });
@@ -49,14 +77,53 @@ fn parse_package_version() -> Version {
    version
 }

-fn do_upgrade(config: Config, _args: &Upgrade, package_version: &Version) {
-    let config_version = parse_config_version(&config);
-    if &config_version == package_version {
-        println!("You're using the most recent version!");
-        return;
-    }
+fn minor_0_12_upgrade(
+    mut config: Config,
+    _matches: &Upgrade,
+    config_version: &Version,
+    package_version: &Version,
+) -> Config {
+    let to_version = if package_version.major == 0 && package_version.minor == 12 {
+        package_version.clone()
+    } else {
+        Version::new(0, 12, 0)
+    };

-    unimplemented_upgrade(package_version, &config_version)
+    print_start_upgrade(config_version, &to_version);
+
+    config
+        .get_base_mut()
+        .set_custom_version(to_version.to_string().as_ref());
+
+    config.save_to_file(None).unwrap_or_else(|err| {
+        eprintln!("failed to overwrite config file! - {err}");
+        print_failed_upgrade(config_version, &to_version);
+        process::exit(1);
+    });
+
+    print_successful_upgrade(config_version, to_version);
+
+    config
+}
+
+fn do_upgrade(mut config: Config, args: &Upgrade, package_version: &Version) {
+    loop {
+        let config_version = parse_config_version(&config);
+
+        if &config_version == package_version {
+            println!("You're using the most recent version!");
+            return;
+        }
+
+        config = match config_version.major {
+            0 => match config_version.minor {
+                9 | 10 => outdated_upgrade(&config_version, package_version),
+                11 => minor_0_12_upgrade(config, args, &config_version, package_version),
+                _ => unsupported_upgrade(&config_version, package_version),
+            },
+            _ => unsupported_upgrade(&config_version, package_version),
+        }
+    }
 }

 pub(crate) fn execute(args: &Upgrade) {
@@ -64,15 +131,16 @@ pub(crate) fn execute(args: &Upgrade) {

    let id = &args.id;

-    let existing_config = try_load_current_config(id).unwrap_or_else(|err| {
+    let existing_config = Config::load_from_file(id).unwrap_or_else(|err| {
        eprintln!("failed to load existing config file! - {err}");
        process::exit(1)
    });

-    if existing_config.base.client.version.is_empty() {
+    if existing_config.get_base().get_version() == MISSING_VALUE {
        eprintln!("the existing configuration file does not seem to contain version number.");
        process::exit(1);
    }

+    // here be upgrade path to 0.9.X and beyond based on version number from config
    do_upgrade(existing_config, args, &package_version)
 }
@@ -14,7 +14,6 @@ use nym_client_core::client::{
 use nym_client_websocket_requests::{requests::ClientRequest, responses::ServerResponse};
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::params::PacketType;
 use nym_sphinx::receiver::ReconstructedMessage;
 use nym_task::connections::{
    ConnectionCommand, ConnectionCommandSender, ConnectionId, LaneQueueLengths, TransmissionLane,
@@ -42,7 +41,6 @@ pub(crate) struct HandlerBuilder {
    self_full_address: Recipient,
    lane_queue_lengths: LaneQueueLengths,
    reply_controller_sender: ReplyControllerSender,
-    packet_type: Option<PacketType>,
 }

 impl HandlerBuilder {
@@ -53,7 +51,6 @@ impl HandlerBuilder {
        self_full_address: &Recipient,
        lane_queue_lengths: LaneQueueLengths,
        reply_controller_sender: ReplyControllerSender,
-        packet_type: Option<PacketType>,
    ) -> Self {
        Self {
            msg_input,
@@ -62,7 +59,6 @@ impl HandlerBuilder {
            self_full_address: *self_full_address,
            lane_queue_lengths,
            reply_controller_sender,
-            packet_type,
        }
    }

@@ -77,7 +73,6 @@ impl HandlerBuilder {
            received_response_type: Default::default(),
            lane_queue_lengths: self.lane_queue_lengths.clone(),
            reply_controller_sender: self.reply_controller_sender.clone(),
-            packet_type: self.packet_type,
        }
    }
 }
@@ -91,7 +86,6 @@ pub(crate) struct Handler {
    received_response_type: ReceivedResponseType,
    lane_queue_lengths: LaneQueueLengths,
    reply_controller_sender: ReplyControllerSender,
-    packet_type: Option<PacketType>,
 }

 impl Drop for Handler {
@@ -166,7 +160,7 @@ impl Handler {
        });

        // the ack control is now responsible for chunking, etc.
-        let input_msg = InputMessage::new_regular(recipient, message, lane, self.packet_type);
+        let input_msg = InputMessage::new_regular(recipient, message, lane);
        self.msg_input
            .send(input_msg)
            .await
@@ -197,8 +191,7 @@ impl Handler {
            TransmissionLane::ConnectionId(id)
        });

-        let input_msg =
-            InputMessage::new_anonymous(recipient, message, reply_surbs, lane, self.packet_type);
+        let input_msg = InputMessage::new_anonymous(recipient, message, reply_surbs, lane);
        self.msg_input
            .send(input_msg)
            .await
@@ -225,7 +218,7 @@ impl Handler {
            TransmissionLane::ConnectionId(id)
        });

-        let input_msg = InputMessage::new_reply(recipient_tag, message, lane, self.packet_type);
+        let input_msg = InputMessage::new_reply(recipient_tag, message, lane);
        self.msg_input
            .send(input_msg)
            .await
@@ -1,6 +1,6 @@
 [package]
 name = "nym-socks5-client"
-version = "1.1.22"
+version = "1.1.15"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>"]
 description = "A SOCKS5 localhost proxy that converts incoming messages to Sphinx and sends them to a Nym address"
 edition = "2021"
@@ -1,25 +1,20 @@
 // Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::commands::try_upgrade_config;
-use crate::config::{
-    default_config_directory, default_config_filepath, default_data_directory, Config,
-};
+use crate::commands::try_upgrade_v1_1_13_config;
 use crate::{
    commands::{override_config, OverrideConfig},
    error::Socks5ClientError,
 };
 use clap::Args;
 use nym_bin_common::output_format::OutputFormat;
-use nym_client_core::client::base_client::storage::gateway_details::OnDiskGatewayDetails;
-use nym_client_core::client::key_manager::persistence::OnDiskKeys;
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_client_core::init::GatewaySetup;
+use nym_config::NymConfig;
+use nym_credential_storage::persistent_storage::PersistentStorage;
 use nym_crypto::asymmetric::identity;
+use nym_socks5_client_core::config::Config;
 use nym_sphinx::addressing::clients::Recipient;
 use serde::Serialize;
 use std::fmt::Display;
-use std::{fs, io};
 use tap::TapFallible;

 #[derive(Args, Clone)]
@@ -96,7 +91,6 @@ impl From<Init> for OverrideConfig {
            no_cover: init_config.no_cover,
            nyxd_urls: init_config.nyxd_urls,
            enabled_credentials_mode: init_config.enabled_credentials_mode,
-            outfox: false,
        }
    }
 }
@@ -105,19 +99,15 @@ impl From<Init> for OverrideConfig {
 pub struct InitResults {
    #[serde(flatten)]
    client_core: nym_client_core::init::InitResults,
-    socks5_listening_port: u16,
+    socks5_listening_port: String,
    client_address: String,
 }

 impl InitResults {
-    fn new(config: &Config, address: &Recipient, gateway: &GatewayEndpointConfig) -> Self {
+    fn new(config: &Config, address: &Recipient) -> Self {
        Self {
-            client_core: nym_client_core::init::InitResults::new(
-                &config.core.base,
-                address,
-                gateway,
-            ),
-            socks5_listening_port: config.core.socks5.listening_port,
+            client_core: nym_client_core::init::InitResults::new(config.get_base(), address),
+            socks5_listening_port: config.get_socks5().get_listening_port().to_string(),
            client_address: address.to_string(),
        }
    }
@@ -131,27 +121,19 @@ impl Display for InitResults {
    }
 }

-fn init_paths(id: &str) -> io::Result<()> {
-    fs::create_dir_all(default_data_directory(id))?;
-    fs::create_dir_all(default_config_directory(id))
-}
-
 pub(crate) async fn execute(args: &Init) -> Result<(), Socks5ClientError> {
    eprintln!("Initialising client...");

    let id = &args.id;
    let provider_address = &args.provider;

-    let already_init = if default_config_filepath(id).exists() {
+    let already_init = Config::default_config_file_path(id).exists();
+    if already_init {
        // in case we're using old config, try to upgrade it
        // (if we're using the current version, it's a no-op)
-        try_upgrade_config(id)?;
+        try_upgrade_v1_1_13_config(id)?;
        eprintln!("SOCKS5 client \"{id}\" was already initialised before");
-        true
-    } else {
-        init_paths(id)?;
-        false
-    };
+    }

    // Usually you only register with the gateway on the first init, however you can force
    // re-registering if wanted.
@@ -167,47 +149,50 @@ pub(crate) async fn execute(args: &Init) -> Result<(), Socks5ClientError> {

    // Attempt to use a user-provided gateway, if possible
    let user_chosen_gateway_id = args.gateway;
-    let gateway_setup = GatewaySetup::new_fresh(
-        user_chosen_gateway_id.map(|id| id.to_base58_string()),
-        Some(args.latency_based_selection),
-    );

    // Load and potentially override config
-    let config = override_config(
+    let mut config = override_config(
        Config::new(id, &provider_address.to_string()),
        OverrideConfig::from(args.clone()),
    );

    // Setup gateway by either registering a new one, or creating a new config from the selected
    // one but with keys kept, or reusing the gateway configuration.
-    let key_store = OnDiskKeys::new(config.storage_paths.common_paths.keys.clone());
-    let details_store =
-        OnDiskGatewayDetails::new(&config.storage_paths.common_paths.gateway_details);
-    let init_details = nym_client_core::init::setup_gateway(
-        &gateway_setup,
-        &key_store,
-        &details_store,
+    let gateway = nym_client_core::init::setup_gateway_from_config::<Config, _, PersistentStorage>(
        register_gateway,
-        Some(&config.core.base.client.nym_api_urls),
+        user_chosen_gateway_id,
+        config.get_base(),
+        args.latency_based_selection,
    )
    .await
    .tap_err(|err| eprintln!("Failed to setup gateway\nError: {err}"))?;

+    config.get_base_mut().set_gateway_endpoint(gateway);
+
    // TODO: ask the service provider we specified for its interface version and set it in the config

-    let config_save_location = config.default_location();
-    config.save_to_default_location().tap_err(|_| {
+    config.save_to_file(None).tap_err(|_| {
        log::error!("Failed to save the config file");
    })?;
-    eprintln!(
-        "Saved configuration file to {}",
-        config_save_location.display()
-    );

-    let address = init_details.client_address()?;
+    print_saved_config(&config);

-    let init_results = InitResults::new(&config, &address, &init_details.gateway_details);
+    let address = nym_client_core::init::get_client_address_from_stored_keys(config.get_base())?;
+    let init_results = InitResults::new(&config, &address);
    println!("{}", args.output.format(&init_results));

    Ok(())
 }
+
+fn print_saved_config(config: &Config) {
+    let config_save_location = config.get_config_file_save_location();
+    eprintln!("Saved configuration file to {:?}", config_save_location);
+    eprintln!("Using gateway: {}", config.get_base().get_gateway_id());
+    log::debug!("Gateway id: {}", config.get_base().get_gateway_id());
+    log::debug!("Gateway owner: {}", config.get_base().get_gateway_owner());
+    log::debug!(
+        "Gateway listener: {}",
+        config.get_base().get_gateway_listener()
+    );
+    eprintln!("Client configuration completed.\n");
+}
@@ -1,25 +1,15 @@
 // Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::config::old_config_v1_1_13::OldConfigV1_1_13;
-use crate::config::old_config_v1_1_20::ConfigV1_1_20;
-use crate::config::old_config_v1_1_20_2::ConfigV1_1_20_2;
-use crate::config::{BaseClientConfig, Config};
-use crate::error::Socks5ClientError;
 use clap::CommandFactory;
 use clap::{Parser, Subcommand};
 use lazy_static::lazy_static;
-use log::{error, info};
+use log::info;
 use nym_bin_common::build_information::BinaryBuildInformation;
 use nym_bin_common::completions::{fig_generate, ArgShell};
-use nym_client_core::client::base_client::storage::gateway_details::{
-    OnDiskGatewayDetails, PersistedGatewayDetails,
-};
-use nym_client_core::client::key_manager::persistence::OnDiskKeys;
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_client_core::error::ClientCoreError;
-use nym_config::OptionalSet;
-use nym_sphinx::params::PacketType;
+use nym_config::{NymConfig, OptionalSet};
+use nym_socks5_client_core::config::old_config_v1_1_13::OldConfigV1_1_13;
+use nym_socks5_client_core::config::{BaseConfig, Config};
 use std::error::Error;

 pub mod init;
@@ -74,7 +64,6 @@ pub(crate) struct OverrideConfig {
    no_cover: bool,
    nyxd_urls: Option<Vec<url::Url>>,
    enabled_credentials_mode: Option<bool>,
-    outfox: bool,
 }

 pub(crate) async fn execute(args: &Cli) -> Result<(), Box<dyn Error + Send + Sync>> {
@@ -91,158 +80,41 @@ pub(crate) async fn execute(args: &Cli) -> Result<(), Box<dyn Error + Send + Syn
 }

 pub(crate) fn override_config(config: Config, args: OverrideConfig) -> Config {
-    let packet_type = if args.outfox {
-        PacketType::Outfox
-    } else {
-        PacketType::Mix
-    };
    config
-        .with_base(
-            BaseClientConfig::with_high_default_traffic_volume,
-            args.fastmode,
-        )
-        .with_base(BaseClientConfig::with_disabled_cover_traffic, args.no_cover)
-        .with_base(BaseClientConfig::with_packet_type, packet_type)
+        .with_base(BaseConfig::with_high_default_traffic_volume, args.fastmode)
+        .with_base(BaseConfig::with_disabled_cover_traffic, args.no_cover)
        .with_optional(Config::with_anonymous_replies, args.use_anonymous_replies)
        .with_optional(Config::with_port, args.port)
-        .with_optional_base_custom_env(
-            BaseClientConfig::with_custom_nym_apis,
+        .with_optional_custom_env_ext(
+            BaseConfig::with_custom_nym_apis,
            args.nym_apis,
            nym_network_defaults::var_names::NYM_API,
            nym_config::parse_urls,
        )
-        .with_optional_base_custom_env(
-            BaseClientConfig::with_custom_nyxd,
+        .with_optional_custom_env_ext(
+            BaseConfig::with_custom_nyxd,
            args.nyxd_urls,
            nym_network_defaults::var_names::NYXD,
            nym_config::parse_urls,
        )
-        .with_optional_base(
-            BaseClientConfig::with_disabled_credentials,
+        .with_optional_ext(
+            BaseConfig::with_disabled_credentials,
            args.enabled_credentials_mode.map(|b| !b),
        )
 }

-fn persist_gateway_details(
-    config: &Config,
-    details: GatewayEndpointConfig,
-) -> Result<(), Socks5ClientError> {
-    let details_store =
-        OnDiskGatewayDetails::new(&config.storage_paths.common_paths.gateway_details);
-    let keys_store = OnDiskKeys::new(config.storage_paths.common_paths.keys.clone());
-    let shared_keys = keys_store.ephemeral_load_gateway_keys().map_err(|source| {
-        Socks5ClientError::ClientCoreError(ClientCoreError::KeyStoreError {
-            source: Box::new(source),
-        })
-    })?;
-    let persisted_details = PersistedGatewayDetails::new(details, &shared_keys);
-    details_store
-        .store_to_disk(&persisted_details)
-        .map_err(|source| {
-            Socks5ClientError::ClientCoreError(ClientCoreError::GatewayDetailsStoreError {
-                source: Box::new(source),
-            })
-        })
-}
-
-fn try_upgrade_v1_1_13_config(id: &str) -> Result<bool, Socks5ClientError> {
-    use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
-
-    // explicitly load it as v1.1.13 (which is incompatible with the next step, i.e. 1.1.19)
+fn try_upgrade_v1_1_13_config(id: &str) -> std::io::Result<()> {
+    // explicitly load it as v1.1.13 (which is incompatible with the current, i.e. 1.1.14+)
    let Ok(old_config) = OldConfigV1_1_13::load_from_file(id) else {
        // if we failed to load it, there might have been nothing to upgrade
        // or maybe it was an even older file. in either way. just ignore it and carry on with our day
-        return Ok(false);
+        return Ok(());
    };
    info!("It seems the client is using <= v1.1.13 config template.");
    info!("It is going to get updated to the current specification.");

-    let updated_step1: ConfigV1_1_20 = old_config.into();
-    let updated_step2: ConfigV1_1_20_2 = updated_step1.into();
-    let (updated, gateway_config) = updated_step2.upgrade();
-    persist_gateway_details(&updated, gateway_config)?;
-
-    updated.save_to_default_location()?;
-    Ok(true)
-}
-
-fn try_upgrade_v1_1_20_config(id: &str) -> Result<bool, Socks5ClientError> {
-    use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
-
-    // explicitly load it as v1.1.20 (which is incompatible with the current one, i.e. +1.1.21)
-    let Ok(old_config) = ConfigV1_1_20::load_from_file(id) else {
-        // if we failed to load it, there might have been nothing to upgrade
-        // or maybe it was an even older file. in either way. just ignore it and carry on with our day
-        return Ok(false);
-    };
-    info!("It seems the client is using <= v1.1.20 config template.");
-    info!("It is going to get updated to the current specification.");
-
-    let updated_step1: ConfigV1_1_20_2 = old_config.into();
-    let (updated, gateway_config) = updated_step1.upgrade();
-    persist_gateway_details(&updated, gateway_config)?;
-
-    updated.save_to_default_location()?;
-    Ok(true)
-}
-
-fn try_upgrade_v1_1_20_2_config(id: &str) -> Result<bool, Socks5ClientError> {
-    // explicitly load it as v1.1.20_2 (which is incompatible with the current one, i.e. +1.1.21)
-    let Ok(old_config) = ConfigV1_1_20_2::read_from_default_path(id) else {
-        // if we failed to load it, there might have been nothing to upgrade
-        // or maybe it was an even older file. in either way. just ignore it and carry on with our day
-        return Ok(false);
-    };
-    info!("It seems the client is using <= v1.1.20_2 config template.");
-    info!("It is going to get updated to the current specification.");
-
-    let (updated, gateway_config) = old_config.upgrade();
-    persist_gateway_details(&updated, gateway_config)?;
-
-    updated.save_to_default_location()?;
-    Ok(true)
-}
-
-fn try_upgrade_config(id: &str) -> Result<(), Socks5ClientError> {
-    if try_upgrade_v1_1_13_config(id)? {
-        return Ok(());
-    }
-    if try_upgrade_v1_1_20_config(id)? {
-        return Ok(());
-    }
-    if try_upgrade_v1_1_20_2_config(id)? {
-        return Ok(());
-    }
-
-    Ok(())
-}
-
-fn try_load_current_config(id: &str) -> Result<Config, Socks5ClientError> {
-    // try to load the config as is
-    if let Ok(cfg) = Config::read_from_default_path(id) {
-        return if !cfg.validate() {
-            Err(Socks5ClientError::ConfigValidationFailure)
-        } else {
-            Ok(cfg)
-        };
-    }
-
-    // we couldn't load it - try upgrading it from older revisions
-    try_upgrade_config(id)?;
-
-    let config = match Config::read_from_default_path(id) {
-        Ok(cfg) => cfg,
-        Err(err) => {
-            error!("Failed to load config for {id}. Are you sure you have run `init` before? (Error was: {err})");
-            return Err(Socks5ClientError::FailedToLoadConfig(id.to_string()));
-        }
-    };
-
-    if !config.validate() {
-        return Err(Socks5ClientError::ConfigValidationFailure);
-    }
-
-    Ok(config)
+    let updated: Config = old_config.into();
+    updated.save_to_file(None)
 }

 #[cfg(test)]
@@ -1,8 +1,7 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::commands::try_load_current_config;
-use crate::config::Config;
+use crate::commands::try_upgrade_v1_1_13_config;
 use crate::{
    commands::{override_config, OverrideConfig},
    error::Socks5ClientError,
@@ -10,9 +9,9 @@ use crate::{
 use clap::Args;
 use log::*;
 use nym_bin_common::version_checker::is_minor_version_compatible;
-use nym_client_core::client::base_client::storage::OnDiskPersistent;
+use nym_config::NymConfig;
 use nym_crypto::asymmetric::identity;
-use nym_socks5_client_core::NymClient;
+use nym_socks5_client_core::{config::Config, NymClient};
 use nym_sphinx::addressing::clients::Recipient;

 #[derive(Args, Clone)]
@@ -21,6 +20,10 @@ pub(crate) struct Run {
    #[clap(long)]
    id: String,

+    /// Custom path to the nym-mixnet-client configuration file
+    #[clap(long)]
+    config: Option<String>,
+
    /// Specifies whether this client is going to use an anonymous sender tag for communication with the service provider.
    /// While this is going to hide its actual address information, it will make the actual communication
    /// slower and consume nearly double the bandwidth as it will require sending reply SURBs.
@@ -64,9 +67,6 @@ pub(crate) struct Run {
    /// with bandwidth credential requirement.
    #[clap(long, hide = true)]
    enabled_credentials_mode: Option<bool>,
-
-    #[clap(long, hide = true, action)]
-    outfox: bool,
 }

 impl From<Run> for OverrideConfig {
@@ -79,7 +79,6 @@ impl From<Run> for OverrideConfig {
            no_cover: run_config.no_cover,
            nyxd_urls: run_config.nyxd_urls,
            enabled_credentials_mode: run_config.enabled_credentials_mode,
-            outfox: run_config.outfox,
        }
    }
 }
@@ -88,12 +87,13 @@ impl From<Run> for OverrideConfig {
 // network version. It might do so in the future.
 fn version_check(cfg: &Config) -> bool {
    let binary_version = env!("CARGO_PKG_VERSION");
-    let config_version = &cfg.core.base.client.version;
+    let config_version = cfg.get_base().get_version();
    if binary_version == config_version {
        true
    } else {
        warn!(
-            "The socks5-client binary has different version than what is specified in config file! {binary_version} and {config_version}",
+            "The mixnode binary has different version than what is specified in config file! {} and {}",
+            binary_version, config_version
        );
        if is_minor_version_compatible(binary_version, config_version) {
            info!("but they are still semver compatible. However, consider running the `upgrade` command");
@@ -106,18 +106,37 @@ fn version_check(cfg: &Config) -> bool {
 }

 pub(crate) async fn execute(args: &Run) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
-    eprintln!("Starting client {}...", args.id);
+    let id = &args.id;

-    let mut config = try_load_current_config(&args.id)?;
-    config = override_config(config, OverrideConfig::from(args.clone()));
+    // in case we're using old config, try to upgrade it
+    // (if we're using the current version, it's a no-op)
+    try_upgrade_v1_1_13_config(id)?;
+
+    let mut config = match Config::load_from_file(id) {
+        Ok(cfg) => cfg,
+        Err(err) => {
+            error!("Failed to load config for {}. Are you sure you have run `init` before? (Error was: {err})", id);
+            return Err(Box::new(Socks5ClientError::FailedToLoadConfig(
+                id.to_string(),
+            )));
+        }
+    };
+
+    if !config.validate() {
+        return Err(Box::new(Socks5ClientError::ConfigValidationFailure));
+    }
+
+    let override_config_fields = OverrideConfig::from(args.clone());
+    config = override_config(config, override_config_fields);
+
+    if config.get_base_mut().set_empty_fields_to_defaults() {
+        warn!("some of the core config options were left unset. the default values are going to get used instead.");
+    }

    if !version_check(&config) {
        error!("failed the local version check");
        return Err(Box::new(Socks5ClientError::FailedLocalVersionCheck));
    }

-    let storage =
-        OnDiskPersistent::from_paths(config.storage_paths.common_paths, &config.core.base.debug)
-            .await?;
-    NymClient::new(config.core, storage).run_forever().await
+    NymClient::new(config).run_forever().await
 }
@@ -1,14 +1,50 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::commands::try_load_current_config;
-use crate::config::Config;
-use clap::Args;
 use nym_bin_common::version_checker::Version;
-use std::process;
+use nym_config::NymConfig;
+use nym_socks5_client_core::config::{Config, MISSING_VALUE};

-fn unimplemented_upgrade(current_version: &Version, config_version: &Version) -> ! {
-    eprintln!("Cannot perform upgrade from {config_version} to {current_version} as it hasn't been implemented yet");
+use clap::Args;
+use std::{fmt::Display, process};
+
+#[allow(dead_code)]
+fn fail_upgrade<D1: Display, D2: Display>(from_version: D1, to_version: D2) -> ! {
+    print_failed_upgrade(from_version, to_version);
+    process::exit(1)
+}
+
+fn print_start_upgrade<D1: Display, D2: Display>(from: D1, to: D2) {
+    println!(
+        "\n==================\nTrying to upgrade client from {} to {} ...",
+        from, to
+    );
+}
+
+fn print_failed_upgrade<D1: Display, D2: Display>(from: D1, to: D2) {
+    eprintln!(
+        "Upgrade from {} to {} failed!\n==================\n",
+        from, to
+    );
+}
+
+fn print_successful_upgrade<D1: Display, D2: Display>(from: D1, to: D2) {
+    println!(
+        "Upgrade from {} to {} was successful!\n==================\n",
+        from, to
+    );
+}
+
+fn outdated_upgrade(config_version: &Version, package_version: &Version) -> ! {
+    eprintln!(
+        "Cannot perform upgrade from {} to {}. Your version is too old to perform the upgrade.!",
+        config_version, package_version
+    );
+    process::exit(1)
+}
+
+fn unsupported_upgrade(current_version: &Version, config_version: &Version) -> ! {
+    eprintln!("Cannot perform upgrade from {} to {}. Please let the developers know about this issue if you expected it to work!", config_version, current_version);
    process::exit(1)
 }

@@ -20,14 +56,15 @@ pub(crate) struct Upgrade {
 }

 fn parse_config_version(config: &Config) -> Version {
-    let version = Version::parse(&config.core.base.client.version).unwrap_or_else(|err| {
+    let version = Version::parse(config.get_base().get_version()).unwrap_or_else(|err| {
        eprintln!("failed to parse client version! - {err}");
        process::exit(1)
    });

    if version.is_prerelease() || !version.build.is_empty() {
        eprintln!(
-            "Trying to upgrade from a non-released version {version}. This is not supported!"
+            "Trying to upgrade from a non-released version {}. This is not supported!",
+            version
        );
        process::exit(1)
    }
@@ -42,21 +79,63 @@ fn parse_package_version() -> Version {
    // however, we are not using them ourselves at the moment and hence it should be fine.
    // if we change our mind, we could easily tweak this code
    if version.is_prerelease() || !version.build.is_empty() {
-        eprintln!("Trying to upgrade to a non-released version {version}. This is not supported!");
+        eprintln!(
+            "Trying to upgrade to a non-released version {}. This is not supported!",
+            version
+        );
        process::exit(1)
    }

    version
 }

-fn do_upgrade(config: Config, _args: &Upgrade, package_version: &Version) {
-    let config_version = parse_config_version(&config);
-    if &config_version == package_version {
-        println!("You're using the most recent version!");
-        return;
-    }
+fn minor_0_12_upgrade(
+    mut config: Config,
+    _args: &Upgrade,
+    config_version: &Version,
+    package_version: &Version,
+) -> Config {
+    let to_version = if package_version.major == 0 && package_version.minor == 12 {
+        package_version.clone()
+    } else {
+        Version::new(0, 12, 0)
+    };

-    unimplemented_upgrade(package_version, &config_version)
+    print_start_upgrade(config_version, &to_version);
+
+    config
+        .get_base_mut()
+        .set_custom_version(to_version.to_string().as_ref());
+
+    config.save_to_file(None).unwrap_or_else(|err| {
+        eprintln!("failed to overwrite config file! - {err}");
+        print_failed_upgrade(config_version, &to_version);
+        process::exit(1);
+    });
+
+    print_successful_upgrade(config_version, to_version);
+
+    config
+}
+
+fn do_upgrade(mut config: Config, args: &Upgrade, package_version: &Version) {
+    loop {
+        let config_version = parse_config_version(&config);
+
+        if &config_version == package_version {
+            println!("You're using the most recent version!");
+            return;
+        }
+
+        config = match config_version.major {
+            0 => match config_version.minor {
+                9 | 10 => outdated_upgrade(&config_version, package_version),
+                11 => minor_0_12_upgrade(config, args, &config_version, package_version),
+                _ => unsupported_upgrade(&config_version, package_version),
+            },
+            _ => unsupported_upgrade(&config_version, package_version),
+        }
+    }
 }

 pub(crate) fn execute(args: &Upgrade) {
@@ -64,15 +143,16 @@ pub(crate) fn execute(args: &Upgrade) {

    let id = &args.id;

-    let existing_config = try_load_current_config(id).unwrap_or_else(|err| {
+    let existing_config = Config::load_from_file(id).unwrap_or_else(|err| {
        eprintln!("failed to load existing config file! - {err}");
        process::exit(1)
    });

-    if existing_config.core.base.client.version.is_empty() {
+    if existing_config.get_base().get_version() == MISSING_VALUE {
        eprintln!("the existing configuration file does not seem to contain version number.");
        process::exit(1);
    }

+    // here be upgrade path to 0.9.X and beyond based on version number from config
    do_upgrade(existing_config, args, &package_version)
 }
@@ -1,160 +0,0 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::config::persistence::SocksClientPaths;
-use crate::config::template::CONFIG_TEMPLATE;
-use nym_bin_common::logging::LoggingSettings;
-use nym_config::{
-    must_get_home, read_config_from_toml_file, save_formatted_config_to_file, NymConfigTemplate,
-    DEFAULT_CONFIG_DIR, DEFAULT_CONFIG_FILENAME, DEFAULT_DATA_DIR, NYM_DIR,
-};
-use serde::{Deserialize, Serialize};
-use std::fmt::Debug;
-use std::io;
-use std::path::{Path, PathBuf};
-use std::str::FromStr;
-
-pub use nym_client_core::config::Config as BaseClientConfig;
-pub use nym_socks5_client_core::config::Config as CoreConfig;
-
-pub mod old_config_v1_1_13;
-pub mod old_config_v1_1_20;
-pub mod old_config_v1_1_20_2;
-mod persistence;
-mod template;
-
-const DEFAULT_SOCKS5_CLIENTS_DIR: &str = "socks5-clients";
-
-/// Derive default path to clients's config directory.
-/// It should get resolved to `$HOME/.nym/socks5-clients/<id>/config`
-pub fn default_config_directory<P: AsRef<Path>>(id: P) -> PathBuf {
-    must_get_home()
-        .join(NYM_DIR)
-        .join(DEFAULT_SOCKS5_CLIENTS_DIR)
-        .join(id)
-        .join(DEFAULT_CONFIG_DIR)
-}
-
-/// Derive default path to client's config file.
-/// It should get resolved to `$HOME/.nym/socks5-clients/<id>/config/config.toml`
-pub fn default_config_filepath<P: AsRef<Path>>(id: P) -> PathBuf {
-    default_config_directory(id).join(DEFAULT_CONFIG_FILENAME)
-}
-
-/// Derive default path to client's data directory where files, such as keys, are stored.
-/// It should get resolved to `$HOME/.nym/socks5-clients/<id>/data`
-pub fn default_data_directory<P: AsRef<Path>>(id: P) -> PathBuf {
-    must_get_home()
-        .join(NYM_DIR)
-        .join(DEFAULT_SOCKS5_CLIENTS_DIR)
-        .join(id)
-        .join(DEFAULT_DATA_DIR)
-}
-
-#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct Config {
-    pub core: CoreConfig,
-
-    pub storage_paths: SocksClientPaths,
-
-    pub logging: LoggingSettings,
-}
-
-impl NymConfigTemplate for Config {
-    fn template() -> &'static str {
-        CONFIG_TEMPLATE
-    }
-}
-
-impl Config {
-    pub fn new<S: AsRef<str>>(id: S, provider_mix_address: S) -> Self {
-        Config {
-            core: CoreConfig::new(
-                id.as_ref(),
-                env!("CARGO_PKG_VERSION"),
-                provider_mix_address.as_ref(),
-            ),
-            storage_paths: SocksClientPaths::new_default(default_data_directory(id.as_ref())),
-            logging: Default::default(),
-        }
-    }
-
-    pub fn read_from_toml_file<P: AsRef<Path>>(path: P) -> io::Result<Self> {
-        read_config_from_toml_file(path)
-    }
-
-    pub fn read_from_default_path<P: AsRef<Path>>(id: P) -> io::Result<Self> {
-        Self::read_from_toml_file(default_config_filepath(id))
-    }
-
-    pub fn default_location(&self) -> PathBuf {
-        default_config_filepath(&self.core.base.client.id)
-    }
-
-    pub fn save_to_default_location(&self) -> io::Result<()> {
-        let config_save_location: PathBuf = self.default_location();
-        save_formatted_config_to_file(self, config_save_location)
-    }
-
-    pub fn validate(&self) -> bool {
-        // no other sections have explicit requirements (yet)
-        self.core.validate()
-    }
-
-    pub fn with_port(mut self, port: u16) -> Self {
-        self.core.socks5.listening_port = port;
-        self
-    }
-
-    pub fn with_anonymous_replies(mut self, anonymous_replies: bool) -> Self {
-        self.core.socks5.send_anonymously = anonymous_replies;
-        self
-    }
-
-    // poor man's 'builder' method
-
-    pub fn with_base<F, T>(mut self, f: F, val: T) -> Self
-    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
-    {
-        self.core = self.core.with_base(f, val);
-        self
-    }
-
-    pub fn with_optional_base<F, T>(mut self, f: F, val: Option<T>) -> Self
-    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
-    {
-        self.core = self.core.with_optional_base(f, val);
-        self
-    }
-
-    #[allow(unused)]
-    pub fn with_optional_base_env<F, T>(mut self, f: F, val: Option<T>, env_var: &str) -> Self
-    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
-        T: FromStr,
-        <T as FromStr>::Err: Debug,
-    {
-        self.core = self.core.with_optional_base_env(f, val, env_var);
-        self
-    }
-
-    pub fn with_optional_base_custom_env<F, T, G>(
-        mut self,
-        f: F,
-        val: Option<T>,
-        env_var: &str,
-        parser: G,
-    ) -> Self
-    where
-        F: Fn(BaseClientConfig, T) -> BaseClientConfig,
-        G: Fn(&str) -> T,
-    {
-        self.core = self
-            .core
-            .with_optional_base_custom_env(f, val, env_var, parser);
-        self
-    }
-}
@@ -1,38 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::config::old_config_v1_1_20::{ConfigV1_1_20, Socks5V1_1_20};
-use nym_client_core::config::old_config_v1_1_13::OldConfigV1_1_13 as OldBaseConfigV1_1_13;
-use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
-use nym_config::must_get_home;
-use serde::{Deserialize, Serialize};
-use std::path::PathBuf;
-
-#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct OldConfigV1_1_13 {
-    #[serde(flatten)]
-    pub base: OldBaseConfigV1_1_13<OldConfigV1_1_13>,
-
-    pub socks5: Socks5V1_1_20,
-}
-
-impl MigrationNymConfig for OldConfigV1_1_13 {
-    fn default_root_directory() -> PathBuf {
-        #[cfg(not(any(target_os = "android", target_os = "ios")))]
-        let base_dir = must_get_home();
-        #[cfg(any(target_os = "android", target_os = "ios"))]
-        let base_dir = PathBuf::from("/tmp");
-
-        base_dir.join(".nym").join("socks5-clients")
-    }
-}
-
-impl From<OldConfigV1_1_13> for ConfigV1_1_20 {
-    fn from(value: OldConfigV1_1_13) -> Self {
-        ConfigV1_1_20 {
-            base: value.base.into(),
-            socks5: value.socks5,
-        }
-    }
-}
@@ -1,137 +0,0 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::config::old_config_v1_1_20_2::{
-    ConfigV1_1_20_2, CoreConfigV1_1_20_2, SocksClientPathsV1_1_20_2,
-};
-use nym_bin_common::logging::LoggingSettings;
-use nym_client_core::config::disk_persistence::keys_paths::ClientKeysPaths;
-use nym_client_core::config::disk_persistence::old_v1_1_20_2::CommonClientPathsV1_1_20_2;
-use nym_client_core::config::old_config_v1_1_20::ConfigV1_1_20 as BaseConfigV1_1_20;
-use nym_client_core::config::old_config_v1_1_20_2::ClientV1_1_20_2;
-use nym_config::legacy_helpers::nym_config::MigrationNymConfig;
-use nym_config::must_get_home;
-use nym_socks5_client_core::config::old_config_v1_1_20_2::{
-    BaseClientConfigV1_1_20_2, Socks5DebugV1_1_20_2, Socks5V1_1_20_2,
-};
-use nym_socks5_client_core::config::{ProviderInterfaceVersion, Socks5ProtocolVersion};
-use serde::{Deserialize, Serialize};
-use std::fmt::Debug;
-use std::path::PathBuf;
-
-const DEFAULT_CONNECTION_START_SURBS: u32 = 20;
-const DEFAULT_PER_REQUEST_SURBS: u32 = 3;
-
-#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct ConfigV1_1_20 {
-    #[serde(flatten)]
-    pub base: BaseConfigV1_1_20<ConfigV1_1_20>,
-
-    pub socks5: Socks5V1_1_20,
-}
-
-impl From<ConfigV1_1_20> for ConfigV1_1_20_2 {
-    fn from(value: ConfigV1_1_20) -> Self {
-        ConfigV1_1_20_2 {
-            core: CoreConfigV1_1_20_2 {
-                base: BaseClientConfigV1_1_20_2 {
-                    client: ClientV1_1_20_2 {
-                        version: value.base.client.version,
-                        id: value.base.client.id,
-                        disabled_credentials_mode: value.base.client.disabled_credentials_mode,
-                        nyxd_urls: value.base.client.nyxd_urls,
-                        nym_api_urls: value.base.client.nym_api_urls,
-                        gateway_endpoint: value.base.client.gateway_endpoint.into(),
-                    },
-                    debug: value.base.debug.into(),
-                },
-                socks5: value.socks5.into(),
-            },
-            storage_paths: SocksClientPathsV1_1_20_2 {
-                common_paths: CommonClientPathsV1_1_20_2 {
-                    keys: ClientKeysPaths {
-                        private_identity_key_file: value.base.client.private_identity_key_file,
-                        public_identity_key_file: value.base.client.public_identity_key_file,
-                        private_encryption_key_file: value.base.client.private_encryption_key_file,
-                        public_encryption_key_file: value.base.client.public_encryption_key_file,
-                        gateway_shared_key_file: value.base.client.gateway_shared_key_file,
-                        ack_key_file: value.base.client.ack_key_file,
-                    },
-                    credentials_database: value.base.client.database_path,
-                    reply_surb_database: value.base.client.reply_surb_database_path,
-                },
-            },
-            logging: LoggingSettings::default(),
-        }
-    }
-}
-
-impl MigrationNymConfig for ConfigV1_1_20 {
-    fn default_root_directory() -> PathBuf {
-        #[cfg(not(any(target_os = "android", target_os = "ios")))]
-        let base_dir = must_get_home();
-        #[cfg(any(target_os = "android", target_os = "ios"))]
-        let base_dir = PathBuf::from("/tmp");
-
-        base_dir.join(".nym").join("socks5-clients")
-    }
-}
-
-#[derive(Clone, Debug, Deserialize, PartialEq, Eq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct Socks5V1_1_20 {
-    pub listening_port: u16,
-
-    pub provider_mix_address: String,
-
-    #[serde(default = "ProviderInterfaceVersion::new_legacy")]
-    pub provider_interface_version: ProviderInterfaceVersion,
-
-    #[serde(default = "Socks5ProtocolVersion::new_legacy")]
-    pub socks5_protocol_version: Socks5ProtocolVersion,
-
-    #[serde(default)]
-    pub send_anonymously: bool,
-
-    #[serde(default)]
-    pub socks5_debug: Socks5DebugV1_1_20,
-}
-
-impl From<Socks5V1_1_20> for Socks5V1_1_20_2 {
-    fn from(value: Socks5V1_1_20) -> Self {
-        Socks5V1_1_20_2 {
-            listening_port: value.listening_port,
-            provider_mix_address: value.provider_mix_address,
-            provider_interface_version: value.provider_interface_version,
-            socks5_protocol_version: value.socks5_protocol_version,
-            send_anonymously: value.send_anonymously,
-            socks5_debug: value.socks5_debug.into(),
-        }
-    }
-}
-
-#[derive(Clone, Debug, Deserialize, PartialEq, Eq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct Socks5DebugV1_1_20 {
-    connection_start_surbs: u32,
-    per_request_surbs: u32,
-}
-
-impl From<Socks5DebugV1_1_20> for Socks5DebugV1_1_20_2 {
-    fn from(value: Socks5DebugV1_1_20) -> Self {
-        Socks5DebugV1_1_20_2 {
-            connection_start_surbs: value.connection_start_surbs,
-            per_request_surbs: value.per_request_surbs,
-        }
-    }
-}
-
-impl Default for Socks5DebugV1_1_20 {
-    fn default() -> Self {
-        Socks5DebugV1_1_20 {
-            connection_start_surbs: DEFAULT_CONNECTION_START_SURBS,
-            per_request_surbs: DEFAULT_PER_REQUEST_SURBS,
-        }
-    }
-}
@@ -1,54 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::config::persistence::SocksClientPaths;
-use crate::config::{default_config_filepath, Config};
-use nym_bin_common::logging::LoggingSettings;
-use nym_client_core::config::disk_persistence::old_v1_1_20_2::CommonClientPathsV1_1_20_2;
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_config::read_config_from_toml_file;
-pub use nym_socks5_client_core::config::old_config_v1_1_20_2::ConfigV1_1_20_2 as CoreConfigV1_1_20_2;
-use serde::{Deserialize, Serialize};
-use std::io;
-use std::path::Path;
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone)]
-pub struct SocksClientPathsV1_1_20_2 {
-    #[serde(flatten)]
-    pub common_paths: CommonClientPathsV1_1_20_2,
-}
-
-#[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct ConfigV1_1_20_2 {
-    pub core: CoreConfigV1_1_20_2,
-
-    pub storage_paths: SocksClientPathsV1_1_20_2,
-
-    pub logging: LoggingSettings,
-}
-
-impl ConfigV1_1_20_2 {
-    pub fn read_from_toml_file<P: AsRef<Path>>(path: P) -> io::Result<Self> {
-        read_config_from_toml_file(path)
-    }
-
-    pub fn read_from_default_path<P: AsRef<Path>>(id: P) -> io::Result<Self> {
-        Self::read_from_toml_file(default_config_filepath(id))
-    }
-
-    // in this upgrade, gateway endpoint configuration was moved out of the config file,
-    // so its returned to be stored elsewhere.
-    pub fn upgrade(self) -> (Config, GatewayEndpointConfig) {
-        let gateway_details = self.core.base.client.gateway_endpoint.clone().into();
-        let config = Config {
-            core: self.core.into(),
-            storage_paths: SocksClientPaths {
-                common_paths: self.storage_paths.common_paths.upgrade_default(),
-            },
-            logging: self.logging,
-        };
-
-        (config, gateway_details)
-    }
-}
@@ -1,20 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use nym_client_core::config::disk_persistence::CommonClientPaths;
-use serde::{Deserialize, Serialize};
-use std::path::Path;
-
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone)]
-pub struct SocksClientPaths {
-    #[serde(flatten)]
-    pub common_paths: CommonClientPaths,
-}
-
-impl SocksClientPaths {
-    pub fn new_default<P: AsRef<Path>>(base_data_directory: P) -> Self {
-        SocksClientPaths {
-            common_paths: CommonClientPaths::new_default(base_data_directory),
-        }
-    }
-}
@@ -1,114 +0,0 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-// While using normal toml marshalling would have been way simpler with less overhead,
-// I think it's useful to have comments attached to the saved config file to explain behaviour of
-// particular fields.
-// Note: any changes to the template must be reflected in the appropriate structs.
-pub(crate) const CONFIG_TEMPLATE: &str = r#"
-# This is a TOML config file.
-# For more information, see https://github.com/toml-lang/toml
-
-##### main base client config options #####
-
-[core.client]
-# Version of the client for which this configuration was created.
-version = '{{ core.client.version }}'
-
-# Human readable ID of this particular client.
-id = '{{ core.client.id }}'
-
-# Indicates whether this client is running in a disabled credentials mode, thus attempting
-# to claim bandwidth without presenting bandwidth credentials.
-disabled_credentials_mode = {{ core.client.disabled_credentials_mode }}
-
-# Addresses to nyxd validators via which the client can communicate with the chain.
-nyxd_urls = [
-    {{#each core.client.nyxd_urls }}
-        '{{this}}',
-    {{/each}}
-]
-
-# Addresses to APIs running on validator from which the client gets the view of the network.
-nym_api_urls = [
-    {{#each core.client.nym_api_urls }}
-        '{{this}}',
-    {{/each}}
-]
-
-[storage_paths] 
-
-# Path to file containing private identity key.
-keys.private_identity_key_file = '{{ storage_paths.keys.private_identity_key_file }}'
-
-# Path to file containing public identity key.
-keys.public_identity_key_file = '{{ storage_paths.keys.public_identity_key_file }}'
-
-# Path to file containing private encryption key.
-keys.private_encryption_key_file = '{{ storage_paths.keys.private_encryption_key_file }}'
-
-# Path to file containing public encryption key.
-keys.public_encryption_key_file = '{{ storage_paths.keys.public_encryption_key_file }}'
-
-# A gateway specific, optional, base58 stringified shared key used for
-# communication with particular gateway.
-keys.gateway_shared_key_file = '{{ storage_paths.keys.gateway_shared_key_file }}'
-
-# Path to file containing key used for encrypting and decrypting the content of an
-# acknowledgement so that nobody besides the client knows which packet it refers to.
-keys.ack_key_file = '{{ storage_paths.keys.ack_key_file }}'
-
-# Path to the database containing bandwidth credentials
-credentials_database = '{{ storage_paths.credentials_database }}'
-
-# Path to the persistent store for received reply surbs, unused encryption keys and used sender tags.
-reply_surb_database = '{{ storage_paths.reply_surb_database }}'
-
-# Path to the file containing information about gateway used by this client,
-# i.e. details such as its public key, owner address or the network information.
-gateway_details = '{{ storage_paths.gateway_details }}'
-
-##### socket config options #####
-
-[core.socks5]
-
-# The mix address of the provider to which all requests are going to be sent.
-provider_mix_address = '{{ core.socks5.provider_mix_address }}'
-
-# The port on which the client will be listening for incoming requests
-listening_port = {{ core.socks5.listening_port }}
-
-# Specifies whether this client is going to use an anonymous sender tag for communication with the service provider.
-# While this is going to hide its actual address information, it will make the actual communication
-# slower and consume nearly double the bandwidth as it will require sending reply SURBs.
-#
-# Note that some service providers might not support this.
-send_anonymously = {{ core.socks5.send_anonymously }}
-
-##### logging configuration options #####
-
-[logging]
-
-# TODO
-
-
-##### debug configuration options #####
-# The following options should not be modified unless you know EXACTLY what you are doing
-# as if set incorrectly, they may impact your anonymity.
-
-# [core.socks5.socks5_debug]
-
-
-[core.debug]
-
-[core.debug.traffic]
-average_packet_delay = '{{ core.debug.traffic.average_packet_delay }}'
-message_sending_average_delay = '{{ core.debug.traffic.message_sending_average_delay }}'
-
-[core.debug.acknowledgements]
-average_ack_delay = '{{ core.debug.acknowledgements.average_ack_delay }}'
-
-[core.debug.cover_traffic]
-loop_cover_traffic_average_delay = '{{ core.debug.cover_traffic.loop_cover_traffic_average_delay }}'
-
-"#;
@@ -8,7 +8,6 @@ use nym_bin_common::logging::{maybe_print_banner, setup_logging};
 use nym_network_defaults::setup_env;

 mod commands;
-mod config;
 pub mod error;

 #[tokio::main]
@@ -34,14 +34,7 @@ import {
  StakeSaturationResponse,
  UnbondedMixnodeResponse,
  VestingAccountInfo,
-  ContractState,
-  VestingAccountsCoinPaged,
-  VestingAccountsPaged,
-  DelegationTimes,
-  Delegations,
-  Period,
-  VestingAccountNode,
-  DelegationBlock,
+  ContractState, VestingAccountsCoinPaged, VestingAccountsPaged, DelegationTimes, Delegations, Period, VestingAccountNode, DelegationBlock
 } from '@nymproject/types';
 import QueryClient from './query-client';
 import SigningClient, { ISigningClient } from './signing-client';
@@ -214,7 +207,7 @@ export default class ValidatorClient implements INymClient {
    let mixNodes: UnbondedMixnodeResponse[] = [];
    const limit = 50;
    let startAfter;
-    for (;;) {
+    for (; ;) {
      // eslint-disable-next-line no-await-in-loop
      const pagedResponse: PagedUnbondedMixnodesResponse = await this.client.getUnbondedMixNodes(
        this.mixnetContract,
@@ -237,7 +230,7 @@ export default class ValidatorClient implements INymClient {
    let mixNodes: MixNodeBond[] = [];
    const limit = 50;
    let startAfter;
-    for (;;) {
+    for (; ;) {
      // eslint-disable-next-line no-await-in-loop
      const pagedResponse: PagedMixNodeBondResponse = await this.client.getMixNodeBonds(
        this.mixnetContract,
@@ -259,7 +252,7 @@ export default class ValidatorClient implements INymClient {
    let mixNodes: MixNodeDetails[] = [];
    const limit = 50;
    let startAfter;
-    for (;;) {
+    for (; ;) {
      // eslint-disable-next-line no-await-in-loop
      const pagedResponse: PagedMixNodeDetailsResponse = await this.client.getMixNodesDetailed(
        this.mixnetContract,
@@ -291,7 +284,7 @@ export default class ValidatorClient implements INymClient {
    let delegations: Delegation[] = [];
    const limit = 250;
    let startAfter;
-    for (;;) {
+    for (; ;) {
      // eslint-disable-next-line no-await-in-loop
      const pagedResponse: PagedMixDelegationsResponse = await this.client.getMixNodeDelegationsPaged(
        this.mixnetContract,
@@ -314,7 +307,7 @@ export default class ValidatorClient implements INymClient {
    let delegations: Delegation[] = [];
    const limit = 250;
    let startAfter;
-    for (;;) {
+    for (; ;) {
      // eslint-disable-next-line no-await-in-loop
      const pagedResponse: PagedDelegatorDelegationsResponse = await this.client.getDelegatorDelegationsPaged(
        this.mixnetContract,
@@ -337,7 +330,7 @@ export default class ValidatorClient implements INymClient {
    let delegations: Delegation[] = [];
    const limit = 250;
    let startAfter;
-    for (;;) {
+    for (; ;) {
      // eslint-disable-next-line no-await-in-loop
      const pagedResponse: PagedAllDelegationsResponse = await this.client.getAllDelegationsPaged(
        this.mixnetContract,
@@ -525,9 +518,11 @@ export default class ValidatorClient implements INymClient {
    return (this.client as ISigningClient).updateContractStateParams(this.mixnetContract, newParams, fee, memo);
  }

+
  // VESTING 
  // TODO - MOVE TO A DIFFERENT FILE

+
  public async getVestingAccountsPaged(): Promise<VestingAccountsPaged> {
    return this.client.getVestingAccountsPaged(this.vestingContract);
  }
@@ -613,7 +608,7 @@ export default class ValidatorClient implements INymClient {
  }

  public async getDelegation(address: string, mix_id: number): Promise<DelegationBlock> {
-    return this.client.getDelegation(this.vestingContract, address, mix_id);
+    return this.client.getDelegation(this.vestingContract, address, mix_id );
  }
 
  public async getTotalDelegationAmount(address: string, mix_id: number, block_timestamp_sec: number): Promise<Coin> {
@@ -623,10 +618,4 @@ export default class ValidatorClient implements INymClient {
  public async getCurrentVestingPeriod(address: string): Promise<Period> {
    return this.client.getCurrentVestingPeriod(this.vestingContract, address);
  }
-
-  // SIMULATE
-
-  public async simulateSend(signingAddress: string, from: string, to: string, amount: Coin[]) {
-    return (this.client as SigningClient).simulateSend(signingAddress, from, to, amount);
-  }
 }
@@ -40,18 +40,9 @@ import {
  RewardingParams,
  UnbondedMixnodeResponse,
  VestingAccountInfo,
-  ContractState,
-  VestingAccountsCoinPaged,
-  VestingAccountsPaged,
-  DelegationTimes,
-  Delegations,
-  Period,
-  VestingAccountNode,
-  DelegationBlock,
+  ContractState, VestingAccountsCoinPaged, VestingAccountsPaged, DelegationTimes, Delegations, Period, VestingAccountNode, DelegationBlock
 } from '@nymproject/types';
 import NymApiQuerier from './nym-api-querier';
-import { makeBankMsgSend } from './utils';
-import { ISimulateClient } from './types/simulate';

 // methods exposed by `SigningCosmWasmClient`
 export interface ICosmWasmSigning {
@@ -157,7 +148,7 @@ export interface INymSigning {
  clientAddress: string;
 }

-export interface ISigningClient extends IQueryClient, ICosmWasmSigning, INymSigning, ISimulateClient {
+export interface ISigningClient extends IQueryClient, ICosmWasmSigning, INymSigning {
  bondMixNode(
    mixnetContractAddress: string,
    mixNode: MixNode,
@@ -524,7 +515,7 @@ export default class SigningClient extends SigningCosmWasmClient implements ISig

  getVestingAccountsPaged(vestingContractAddress: string): Promise<VestingAccountsPaged> {
    return this.nyxdQuerier.getVestingAccountsPaged(vestingContractAddress);
-  }
+  };

  getVestingAmountsAccountsPaged(vestingContractAddress: string): Promise<VestingAccountsCoinPaged> {
    return this.nyxdQuerier.getVestingAmountsAccountsPaged(vestingContractAddress);
@@ -578,10 +569,7 @@ export default class SigningClient extends SigningCosmWasmClient implements ISig
    return this.nyxdQuerier.getEndTime(vestingContractAddress, vestingAccountAddress);
  }

-  getOriginalVestingDetails(
-    vestingContractAddress: string,
-    vestingAccountAddress: string,
-  ): Promise<OriginalVestingResponse> {
+  getOriginalVestingDetails(vestingContractAddress: string, vestingAccountAddress: string): Promise<OriginalVestingResponse> {
    return this.nyxdQuerier.getOriginalVestingDetails(vestingContractAddress, vestingAccountAddress);
  }

@@ -601,11 +589,7 @@ export default class SigningClient extends SigningCosmWasmClient implements ISig
    return this.nyxdQuerier.getGateway(vestingContractAddress, address);
  }

-  getDelegationTimes(
-    vestingContractAddress: string,
-    mix_id: number,
-    delegatorAddress: string,
-  ): Promise<DelegationTimes> {
+  getDelegationTimes(vestingContractAddress: string, mix_id: number, delegatorAddress: string): Promise<DelegationTimes> {
    return this.nyxdQuerier.getDelegationTimes(vestingContractAddress, mix_id, delegatorAddress);
  }

@@ -613,38 +597,15 @@ export default class SigningClient extends SigningCosmWasmClient implements ISig
    return this.nyxdQuerier.getAllDelegations(vestingContractAddress);
  }

-  getDelegation(
-    vestingContractAddress: string,
-    vestingAccountAddress: string,
-    mix_id: number,
-  ): Promise<DelegationBlock> {
+  getDelegation(vestingContractAddress: string, vestingAccountAddress: string, mix_id: number): Promise<DelegationBlock> {
    return this.nyxdQuerier.getDelegation(vestingContractAddress, vestingAccountAddress, mix_id);
  }

-  getTotalDelegationAmount(
-    vestingContractAddress: string,
-    vestingAccountAddress: string,
-    mix_id: number,
-    block_timestamp_sec: number,
-  ): Promise<Coin> {
-    return this.nyxdQuerier.getTotalDelegationAmount(
-      vestingContractAddress,
-      vestingAccountAddress,
-      mix_id,
-      block_timestamp_sec,
-    );
+  getTotalDelegationAmount(vestingContractAddress: string, vestingAccountAddress: string, mix_id: number, block_timestamp_sec: number): Promise<Coin> {
+    return this.nyxdQuerier.getTotalDelegationAmount(vestingContractAddress, vestingAccountAddress, mix_id, block_timestamp_sec);
  }

  getCurrentVestingPeriod(vestingContractAddress: string, address: string): Promise<Period> {
    return this.nyxdQuerier.getCurrentVestingPeriod(vestingContractAddress, address);
  }
-
-  // simulation
-
-  // TODO consider adding multipling factor
-
-  simulateSend(signingAddress: string, from: string, to: string, amount: Coin[]) {
-    const sendMsg = makeBankMsgSend(from, to, amount);
-    return this.simulate(signingAddress, [sendMsg], 'simulate send tx');
-  }
 }
@@ -1,31 +0,0 @@
-import expect from 'expect';
-import ValidatorClient from '../..';
-
-const dotenv = require('dotenv');
-
-dotenv.config();
-
-// TODO: implement for QA with .env for mnemonics
-describe('Simualtions', () => {
-  let client: ValidatorClient;
-
-  beforeEach(async () => {
-    client = await ValidatorClient.connect(
-      process.env.mnemonic || '',
-      process.env.rpcAddress || '',
-      process.env.validatorAddress || '',
-      process.env.prefix || '',
-      process.env.mixnetContractAddress || '',
-      process.env.vestingContractAddress || '',
-      process.env.denom || '',
-    );
-  });
-
-  it('can simulate sending tokens', async () => {
-    const res = await client.simulateSend(client.address, client.address, client.address, [
-      { amount: '400000', denom: 'unym' },
-    ]);
-
-    expect(typeof res).toBe('number');
-  }).timeout(10000);
-});
@@ -1,5 +0,0 @@
-import { Coin } from '@cosmjs/proto-signing';
-
-export interface ISimulateClient {
-  simulateSend(signingAddress: string, from: string, to: string, amount: Coin[]): Promise<number>;
-}
@@ -1,2 +0,0 @@
-[build]
-target = "wasm32-unknown-unknown"
@@ -1,5 +1,6 @@
 /target
 **/*.rs.bk
+Cargo.lock
 bin/
 pkg/
 wasm-pack.log
@@ -1,7 +1,7 @@
 [package]
 name = "nym-client-wasm"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>", "Jedrzej Stuczynski <andrew@nymtech.net>"]
-version = "1.1.1"
+version = "1.1.0"
 edition = "2021"
 keywords = ["nym", "sphinx", "wasm", "webassembly", "privacy", "client"]
 license = "Apache-2.0"
@@ -17,39 +17,29 @@ default = ["console_error_panic_hook"]
 offline-test = []

 [dependencies]
-async-trait = "0.1.68"
-bs58 = "0.4.0"
 futures = "0.3"
 js-sys = "0.3"
 rand = { version = "0.7.3", features = ["wasm-bindgen"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 anyhow = "1.0"
-serde-wasm-bindgen = "0.5"
+serde-wasm-bindgen = "0.4"
 tokio = { version = "1.24.1", features = ["sync"] }
 url = "2.2"
 wasm-bindgen = { version = "=0.2.83", features = ["serde-serialize"]  }
 wasm-bindgen-futures = "0.4"
-thiserror = "1.0.40"
-zeroize = "1.6.0"
-
-wasm-timer = { git = "https://github.com/mmsinclair/wasm-timer", rev = "b9d1a54ad514c2f230a026afe0dde341e98cd7b6"}

 # internal
-nym-node-tester-utils = { path = "../../common/node-tester-utils" }
 nym-client-core = { path = "../../common/client-core", default-features = false, features = ["wasm"] }
 nym-bandwidth-controller = { path = "../../common/bandwidth-controller" }
 nym-coconut-interface = { path = "../../common/coconut-interface" }
 nym-credentials = { path = "../../common/credentials" }
 nym-credential-storage = { path = "../../common/credential-storage" }
-nym-crypto = { path = "../../common/crypto", features = ["asymmetric", "serde"] }
+nym-crypto = { path = "../../common/crypto" }
 nym-sphinx = { path = "../../common/nymsphinx" }
-nym-sphinx-acknowledgements = { path = "../../common/nymsphinx/acknowledgements", features = ["serde"]}
-nym-topology = { path = "../../common/topology" }
-nym-gateway-client = { path = "../../common/client-libs/gateway-client", default-features = false, features = ["wasm"] }
 nym-validator-client = { path = "../../common/client-libs/validator-client", default-features = false }
+wasm-utils = { path = "../../common/wasm-utils" }
 nym-task = { path = "../../common/task" }
-wasm-utils = { path = "../../common/wasm-utils", features = ["storage"], default-features = false }
 # The `console_error_panic_hook` crate provides better debugging of panics by
 # logging them with `console.error`. This is great for development, but requires
 # all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
@@ -67,7 +57,7 @@ wee_alloc = { version = "0.4", optional = true }
 wasm-bindgen-test = "0.3"

 [package.metadata.wasm-pack.profile.release]
-wasm-opt = false
+wasm-opt = true

 [profile.release]
 lto = true
@@ -1,2 +0,0 @@
-node_modules
-dist
@@ -1,5 +0,0 @@
-// A dependency graph that contains any wasm must all be imported
-// asynchronously. This `bootstrap.js` file does the single async import, so
-// that no one else needs to worry about it again.
-import('./index.js')
-    .catch(e => console.error('Error importing `index.js`:', e));
@@ -1,43 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Nym WebAssembly Demo</title>
-</head>
-
-<body>
-<p>
-    <label>Sender: </label><input disabled="true" size="85" type="text" id="sender" value="">
-</p>
-
-<p>
-    <label>Recipient: </label><input size="85" type="text" id="recipient" value="">
-</p>
-<p>
-    <label>Message: </label><input type="text" id="message" value="Hello mixnet!">
-</p>
-<p>
-    <button id="send-button">Send</button>
-</p>
-
-<div>
-    <label>Mixnode Identity: </label>
-    <input type="text" size = "60" id="mixnode_identity" value="...">
-    <button id="magic-button">✨ Magic Test Button ✨</button>
-</div>
-
-
-<p>Send messages from your browser, through the mixnet, and to the recipient using the "send" button.</p>
-<p><span style='color: blue;'>Sent</span> messages show in blue, <span style='color: green;'>received</span>
-    messages show in green.</p>
-
-<hr>
-<p>
-    <span id="output"></span>
-</p>
-<script src="./bootstrap.js"></script>
-</body>
-
-</html>
@@ -1,170 +0,0 @@
-// Copyright 2020-2023 Nym Technologies SA
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-class WebWorkerClient {
-    worker = null;
-
-    constructor() {
-        this.worker = new Worker('./worker.js');
-
-        this.worker.onmessage = (ev) => {
-            if (ev.data && ev.data.kind) {
-                switch (ev.data.kind) {
-                    case 'Ready':
-                        const {selfAddress} = ev.data.args;
-                        displaySenderAddress(selfAddress);
-                        break;
-                    case 'ReceiveMessage':
-                        const {message, senderTag, isTestPacket } = ev.data.args;
-                        displayReceived(message, senderTag, isTestPacket);
-                        break;
-                    case 'DisableMagicTestButton':
-                        const magicButton = document.querySelector('#magic-button');
-                        magicButton.setAttribute('disabled', "true")
-                        break;
-                    case 'DisplayTesterResults':
-                        const {score, sentPackets, receivedPackets, receivedAcks, duplicatePackets, duplicateAcks} = ev.data.args;
-                        const resultText = `Test score: ${score}. Sent ${sentPackets} packets. Received ${receivedPackets} packets and ${receivedAcks} acks back. We also got ${duplicatePackets} duplicate packets and ${duplicateAcks} duplicate acks.`
-                        displayReceivedRawString(resultText)
-                        break;
-                }
-            }
-        };
-    }
-
-    sendMessage = (message, recipient) => {
-        if (!this.worker) {
-            console.error('Could not send message because worker does not exist');
-            return;
-        }
-
-        this.worker.postMessage({
-            kind: 'SendMessage',
-            args: {
-                message, recipient,
-            },
-        });
-    };
-
-    sendTestPacket = (mixnodeIdentity) => {
-        if (!this.worker) {
-            console.error('Could not send message because worker does not exist');
-            return;
-        }
-
-        this.worker.postMessage({
-            kind: 'TestPacket',
-            args: {
-                mixnodeIdentity,
-            },
-        });
-    }
-}
-
-let client = null;
-
-async function main() {
-    client = new WebWorkerClient();
-
-    const sendButton = document.querySelector('#send-button');
-    sendButton.onclick = function () {
-        sendMessageTo();
-    };
-
-    const magicButton = document.querySelector('#magic-button');
-    magicButton.onclick = function () {
-        sendTestPacket();
-    }
-}
-
-/**
- * Create a Sphinx packet and send it to the mixnet through the gateway node.
- *
- * Message and recipient are taken from the values in the user interface.
- *
- */
-async function sendMessageTo() {
-    const message = document.getElementById('message').value;
-    const recipient = document.getElementById('recipient').value;
-
-    await client.sendMessage(message, recipient);
-    displaySend(message);
-}
-
-async function sendTestPacket() {
-    const mixnodeIdentity = document.getElementById('mixnode_identity').value;
-
-    await client.sendTestPacket(mixnodeIdentity)
-    displaySend(`sending test packets to: ${mixnodeIdentity}...`);
-}
-
-/**
- * Display messages that have been sent up the websocket. Colours them blue.
- *
- * @param {string} message
- */
-function displaySend(message) {
-    let timestamp = new Date().toISOString().substr(11, 12);
-
-    let sendDiv = document.createElement('div');
-    let paragraph = document.createElement('p');
-    paragraph.setAttribute('style', 'color: blue');
-    let paragraphContent = document.createTextNode(timestamp + ' sent >>> ' + message);
-    paragraph.appendChild(paragraphContent);
-
-    sendDiv.appendChild(paragraph);
-    document.getElementById('output').appendChild(sendDiv);
-}
-
-/**
- * Display received text messages in the browser. Colour them green.
- *
- * @param {Uint8Array} raw
- */
-function displayReceived(raw, sender_tag, isTestPacket) {
-    let content = new TextDecoder().decode(raw);
-    if (sender_tag !== undefined) {
-        console.log("this message also contained some surbs from", sender_tag)
-    }
-
-    if (isTestPacket) {
-        const decoded = JSON.parse(content)
-        content = `Received packet ${decoded.msg_id} / ${decoded.total_msgs} for node ${decoded.encoded_node_identity} (test: ${decoded.test_id})`
-    }
-
-    displayReceivedRawString(content)
-}
-
-
-function displayReceivedRawString(raw) {
-    let timestamp = new Date().toISOString().substr(11, 12);
-    let receivedDiv = document.createElement('div');
-    let paragraph = document.createElement('p');
-    paragraph.setAttribute('style', 'color: green');
-    let paragraphContent = document.createTextNode(timestamp + ' received >>> ' + raw);
-    paragraph.appendChild(paragraphContent);
-    receivedDiv.appendChild(paragraph);
-    document.getElementById('output').appendChild(receivedDiv);
-}
-
-/**
- * Display the nymClient's sender address in the user interface
- *
- * @param {String} address
- */
-function displaySenderAddress(address) {
-    document.getElementById('sender').value = address;
-}
-
-main();
@@ -1,39 +0,0 @@
-{
-  "name": "create-wasm-app",
-  "version": "0.1.0",
-  "description": "create an app to consume rust-generated wasm packages",
-  "main": "index.js",
-  "bin": {
-    "create-wasm-app": ".bin/create-wasm-app.js"
-  },
-  "scripts": {
-    "build": "webpack --config webpack.config.js",
-    "start": "webpack-dev-server --port 8001"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/rustwasm/create-wasm-app.git"
-  },
-  "keywords": [
-    "webassembly",
-    "wasm",
-    "rust",
-    "webpack"
-  ],
-  "author": "Dave Hrycyszyn <futurechimp@users.noreply.github.com>",
-  "license": "Apache-2.0",
-  "bugs": {
-    "url": "https://github.com/nymtech/nym/issues"
-  },
-  "homepage": "https://nymtech.net/docs",
-  "devDependencies": {
-    "copy-webpack-plugin": "^10.2.4",
-    "hello-wasm-pack": "^0.1.0",
-    "webpack": "^5.70.0",
-    "webpack-cli": "^4.9.2",
-    "webpack-dev-server": "^4.7.4"
-  },
-  "dependencies": {
-    "@nymproject/nym-client-wasm": "file:../pkg"
-  }
-}
@@ -1,33 +0,0 @@
-const CopyWebpackPlugin = require('copy-webpack-plugin');
-const path = require('path');
-
-module.exports = {
-    performance: {
-        hints: false,
-        maxEntrypointSize: 512000,
-        maxAssetSize: 512000
-    },
-    entry: {
-        bootstrap: './bootstrap.js',
-        worker: './worker.js',
-    },
-    output: {
-        path: path.resolve(__dirname, 'dist'),
-        filename: '[name].js',
-    },
-    // mode: 'development',
-    mode: 'production',
-    plugins: [
-        new CopyWebpackPlugin({
-            patterns: [
-                'index.html',
-                {
-                    from: 'node_modules/@nymproject/nym-client-wasm/*.(js|wasm)',
-                    to: '[name][ext]',
-                },
-            ],
-        }),
-
-    ],
-    experiments: { syncWebAssembly: true },
-};
@@ -1,344 +0,0 @@
-// Copyright 2020-2023 Nym Technologies SA
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-importScripts('nym_client_wasm.js');
-
-console.log('Initializing worker');
-
-// wasm_bindgen creates a global variable (with the exports attached) that is in scope after `importScripts`
-const {
-    NymNodeTester,
-    WasmGateway,
-    WasmMixNode,
-    WasmNymTopology,
-    default_debug,
-    NymClientBuilder,
-    NymClient,
-    set_panic_hook,
-    Config,
-    GatewayEndpointConfig,
-    ClientStorage,
-    current_network_topology,
-    make_key,
-    make_key2
-} = wasm_bindgen;
-
-let client = null;
-let tester = null;
-
-function dummyTopology() {
-    const l1Mixnode = new WasmMixNode(
-        1,
-        'n1fzv4jc7fanl9s0qj02ge2ezk3kts545kjtek47',
-        '178.79.143.65',
-        1789,
-        '4Yr4qmEHd9sgsuQ83191FR2hD88RfsbMmB4tzhhZWriz',
-        '8ndjk5oZ6HxUZNScLJJ7hk39XtUqGexdKgW7hSX6kpWG',
-        1,
-        '1.10.0',
-    );
-    const l2Mixnode = new WasmMixNode(
-        2,
-        'n1z93z44vf8ssvdhujjvxcj4rd5e3lz0l60wdk70',
-        '109.74.197.180',
-        1789,
-        '7sVjiMrPYZrDWRujku9QLxgE8noT7NTgBAqizCsu7AoK',
-        'GepXwRnKZDd8x2nBWAajGGBVvF3mrpVMQBkgfrGuqRCN',
-        2,
-        '1.10.0',
-    );
-    const l3Mixnode = new WasmMixNode(
-        3,
-        'n1ptg680vnmef2cd8l0s9uyc4f0hgf3x8sed6w77',
-        '176.58.101.80',
-        1789,
-        'FoM5Mx9Pxk1g3zEqkS3APgtBeTtTo3M8k7Yu4bV6kK1R',
-        'DeYjrDC2AcQRVFshiKnbUo6bRvPyZ33QGYR2DLeFJ9qD',
-        3,
-        '1.10.0',
-    );
-
-    const gateway = new WasmGateway(
-        'n16evnn8glr0sham3matj8rg2s24m6x56ayk87ts',
-        '85.159.212.96',
-        1789,
-        9000,
-        '336yuXAeGEgedRfqTJZsG2YV7P13QH1bHv1SjCZYarc9',
-        'BtYjoWihiuFihGKQypmpSspbhmWDPxzqeTVSd8ciCpWL',
-        '1.10.1',
-    );
-
-    const mixnodes = new Map();
-    mixnodes.set(1, [l1Mixnode]);
-    mixnodes.set(2, [l2Mixnode]);
-    mixnodes.set(3, [l3Mixnode]);
-
-
-    const gateways = [gateway];
-
-    return new WasmNymTopology(mixnodes, gateways)
-}
-
-function printAndDisplayTestResult(result) {
-    result.log_details();
-
-    self.postMessage({
-        kind: 'DisplayTesterResults',
-        args: {
-            score: result.score(),
-            sentPackets: result.sent_packets,
-            receivedPackets: result.received_packets,
-            receivedAcks: result.received_acks,
-            duplicatePackets: result.duplicate_packets,
-            duplicateAcks: result.duplicate_acks,
-        },
-    });
-}
-
-async function testWithTester() {
-    const preferredGateway = "336yuXAeGEgedRfqTJZsG2YV7P13QH1bHv1SjCZYarc9";
-
-    // A) construct with hardcoded topology
-    const topology = dummyTopology()
-    const nodeTester = await new NymNodeTester(topology, preferredGateway);
-
-    // B) first get topology directly from nym-api
-    // const validator = 'https://qwerty-validator-api.qa.nymte.ch/api';
-    // const topology = await current_network_topology(validator)
-    // const nodeTester = await new NymNodeTester(topology, preferredGateway);
-    //
-    // C) use nym-api in the constructor (note: it does no filtering for 'good' nodes on other layers)
-    // const validator = 'https://qwerty-validator-api.qa.nymte.ch/api';
-    // const nodeTester = await NymNodeTester.new_with_api(validator, preferredGateway)
-
-    // D, E, F) you also don't have to specify the gateway. if you don't, a random one (from your topology) will be used
-    // const topology = dummyTopology()
-    // const nodeTester = await new NymNodeTester(topology);
-
-    self.onmessage = async event => {
-        if (event.data && event.data.kind) {
-            switch (event.data.kind) {
-                case 'TestPacket': {
-                    const {mixnodeIdentity} = event.data.args;
-                    console.log("starting node test...");
-
-                    let result = await nodeTester.test_node(mixnodeIdentity);
-                    printAndDisplayTestResult(result)
-                }
-            }
-        }
-    };
-}
-
-async function testWithNymClient() {
-    const preferredGateway = "336yuXAeGEgedRfqTJZsG2YV7P13QH1bHv1SjCZYarc9";
-    const topology = dummyTopology()
-
-    let received = 0
-
-    const onMessageHandler = (message) => {
-        received += 1;
-        self.postMessage({
-            kind: 'ReceiveMessage',
-            args: {
-                message,
-                senderTag: undefined,
-                isTestPacket: true,
-            },
-        });
-
-        // it's really up to the user to create proper callback here...
-        console.log(`received ${received} packets so far`)
-    };
-
-    console.log('Instantiating WASM client...');
-
-    let clientBuilder = NymClientBuilder.new_tester(topology, onMessageHandler, preferredGateway)
-    console.log('Web worker creating WASM client...');
-    let local_client = await clientBuilder.start_client();
-    console.log('WASM client running!');
-
-    const selfAddress = local_client.self_address();
-
-    // set the global (I guess we don't have to anymore?)
-    client = local_client;
-
-    console.log(`Client address is ${selfAddress}`);
-    self.postMessage({
-        kind: 'Ready',
-        args: {
-            selfAddress,
-        },
-    });
-
-    // Set callback to handle messages passed to the worker.
-    self.onmessage = async event => {
-        console.log(event)
-        if (event.data && event.data.kind) {
-            switch (event.data.kind) {
-                case 'SendMessage': {
-                    const {message, recipient} = event.data.args;
-                    let uint8Array = new TextEncoder().encode(message);
-                    await client.send_regular_message(uint8Array, recipient);
-                    break;
-                }
-                case 'TestPacket': {
-                    const {mixnodeIdentity} = event.data.args;
-                    const req = await client.try_construct_test_packet_request(mixnodeIdentity);
-                    await client.change_hardcoded_topology(req.injectable_topology());
-                    await client.try_send_test_packets(req);
-                    break;
-                }
-            }
-        }
-    };
-}
-
-async function normalNymClientUsage() {
-    self.postMessage({kind: 'DisableMagicTestButton'});
-
-    // only really useful if you want to adjust some settings like traffic rate
-    // (if not needed you can just pass a null)
-    const debug = default_debug();
-
-    debug.disable_main_poisson_packet_distribution = true;
-    debug.disable_loop_cover_traffic_stream = true;
-    debug.use_extended_packet_size = false;
-    // debug.average_packet_delay_ms = BigInt(10);
-    // debug.average_ack_delay_ms = BigInt(10);
-    // debug.ack_wait_addition_ms = BigInt(3000);
-    // debug.ack_wait_multiplier = 10;
-
-    debug.topology_refresh_rate_ms = BigInt(60000)
-
-    const preferredGateway = "336yuXAeGEgedRfqTJZsG2YV7P13QH1bHv1SjCZYarc9";
-    const validator = 'https://qwerty-validator-api.qa.nymte.ch/api';
-
-    const config = new Config('my-awesome-wasm-client', validator, debug);
-
-    const onMessageHandler = (message) => {
-        console.log(message);
-        self.postMessage({
-            kind: 'ReceiveMessage',
-            args: {
-                message,
-            },
-        });
-    };
-
-    console.log('Instantiating WASM client...');
-
-    let localClient = await new NymClient(config, onMessageHandler)
-    console.log('WASM client running!');
-
-    const selfAddress = localClient.self_address();
-
-    // set the global (I guess we don't have to anymore?)
-    client = localClient;
-
-    console.log(`Client address is ${selfAddress}`);
-    self.postMessage({
-        kind: 'Ready',
-        args: {
-            selfAddress,
-        },
-    });
-
-    // Set callback to handle messages passed to the worker.
-    self.onmessage = async event => {
-        console.log(event)
-        if (event.data && event.data.kind) {
-            switch (event.data.kind) {
-                case 'SendMessage': {
-                    const {message, recipient} = event.data.args;
-                    let uint8Array = new TextEncoder().encode(message);
-                    await client.send_regular_message(uint8Array, recipient);
-                    break;
-                }
-            }
-        }
-    };
-}
-
-async function messWithStorage() {
-    self.onmessage = async event => {
-        if (event.data && event.data.kind) {
-            switch (event.data.kind) {
-                case 'TestPacket': {
-                    const { mixnodeIdentity } = event.data.args;
-                    console.log("button clicked...", mixnodeIdentity);
-
-                    let id1 = "one";
-                    let id2 = "two";
-
-                    console.log("making store1 NO-ENC");
-                    let _storage1 = await ClientStorage.new_unencrypted(id1);
-
-                    console.log("making store2 ENC")
-                    let _storage2 = await new ClientStorage(id2, "my-secret-password");
-                    //
-                    //
-                    //
-                    //     console.log("attempting to use store1 WITH PASSWORD")
-                    //     let _storage1_alt = await new ClientStorage(id1, "password");
-                    //
-                    //
-                    //
-                    //     console.log("attempting to use store2 WITHOUT PASSWORD")
-                    //     let _storage2_alt = await ClientStorage.new_unencrypted(id2);
-                    //
-                    //
-                    //
-                    //     console.log("attempting to use store2 with WRONG PASSWORD")
-                    //     let _storage2_bad = await new ClientStorage(id2, "bad-password")
-
-
-                    //
-                    // console.log("read1: ", await storage1.read());
-                    // console.log("read2: ", await storage2.read());
-                    //
-                    // console.log("store1: ", await storage1.store("FOOMP"));
-                    //
-                    // console.log("read1: ", await storage1.read());
-                    // console.log("read2: ", await storage2.read());
-                }
-            }
-        }
-    };
-
-
-
-
-}
-
-async function main() {
-    // load WASM package
-    await wasm_bindgen('nym_client_wasm_bg.wasm');
-    console.log('Loaded WASM');
-
-    // sets up better stack traces in case of in-rust panics
-    set_panic_hook();
-
-    // run test on simplified and dedicated tester:
-    // await testWithTester()
-
-    // hook-up the whole client for testing
-    // await testWithNymClient()
-
-    // 'Normal' client setup (to send 'normal' messages)
-    await normalNymClientUsage()
-}
-
-// Let's get started!
-main();
@@ -1,4 +1,4 @@
-// Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

 // due to expansion of #[wasm_bindgen] macro on `Debug` Config struct
@@ -7,49 +7,58 @@
 #![allow(clippy::drop_copy)]

 use nym_client_core::config::{
-    Acknowledgements as ConfigAcknowledgements, Config as BaseClientConfig,
-    CoverTraffic as ConfigCoverTraffic, DebugConfig as ConfigDebug,
-    GatewayConnection as ConfigGatewayConnection, ReplySurbs as ConfigReplySurbs,
-    Topology as ConfigTopology, Traffic as ConfigTraffic,
+    Acknowledgements as ConfigAcknowledgements, CoverTraffic as ConfigCoverTraffic,
+    DebugConfig as ConfigDebug, GatewayConnection as ConfigGatewayConnection,
+    GatewayEndpointConfig, ReplySurbs as ConfigReplySurbs, Topology as ConfigTopology,
+    Traffic as ConfigTraffic,
 };
-use nym_sphinx::params::{PacketSize, PacketType};
+use nym_sphinx::params::PacketSize;
 use serde::{Deserialize, Serialize};
 use std::time::Duration;
+use url::Url;
 use wasm_bindgen::prelude::*;

 #[wasm_bindgen]
 #[derive(Debug, Deserialize, PartialEq, Serialize)]
 #[serde(deny_unknown_fields)]
 pub struct Config {
-    pub(crate) base: BaseClientConfig,
+    /// ID specifies the human readable ID of this particular client.
+    pub(crate) id: String,
+
+    pub(crate) nym_api_url: Url,
+
+    pub(crate) disabled_credentials_mode: bool,
+
+    /// Information regarding how the client should send data to gateway.
+    pub(crate) gateway_endpoint: GatewayEndpointConfig,
+
+    pub(crate) debug: ConfigDebug,
 }

 #[wasm_bindgen]
 impl Config {
    #[wasm_bindgen(constructor)]
-    pub fn new(id: String, validator_server: String, debug: Option<DebugWasm>) -> Self {
+    pub fn new(
+        id: String,
+        validator_server: String,
+        gateway_endpoint: GatewayEndpointConfig,
+        debug: Option<Debug>,
+    ) -> Self {
        Config {
-            base: BaseClientConfig::new(id, env!("CARGO_PKG_VERSION").to_string())
-                .with_custom_nyxd(vec![validator_server
-                    .parse()
-                    .expect("provided url was malformed")])
-                .with_debug_config(debug.map(Into::into).unwrap_or_default()),
-        }
-    }
-
-    pub(crate) fn new_tester_config<S: Into<String>>(id: S) -> Self {
-        Config {
-            base: BaseClientConfig::new(id.into(), env!("CARGO_PKG_VERSION").to_string())
-                .with_disabled_credentials(true)
-                .with_disabled_cover_traffic(true)
-                .with_disabled_topology_refresh(true),
+            id,
+            nym_api_url: validator_server
+                .parse()
+                .expect("provided url was malformed"),
+            disabled_credentials_mode: true,
+            gateway_endpoint,
+            debug: debug.map(Into::into).unwrap_or_default(),
        }
    }
 }

 #[wasm_bindgen]
 #[derive(Debug, Copy, Clone)]
-pub struct TrafficWasm {
+pub struct Traffic {
    /// The parameter of Poisson distribution determining how long, on average,
    /// sent packet is going to be delayed at any given mix node.
    /// So for a packet going through three mix nodes, on average, it will take three times this value
@@ -68,23 +77,14 @@ pub struct TrafficWasm {

    /// Controls whether the sent sphinx packet use the NON-DEFAULT bigger size.
    pub use_extended_packet_size: bool,
-
-    /// Controls whether the sent packets should use outfox as opposed to the default sphinx.
-    pub use_outfox: bool,
 }

-impl From<TrafficWasm> for ConfigTraffic {
-    fn from(traffic: TrafficWasm) -> Self {
+impl From<Traffic> for ConfigTraffic {
+    fn from(traffic: Traffic) -> Self {
        let use_extended_packet_size = traffic
            .use_extended_packet_size
            .then(|| PacketSize::ExtendedPacket32);

-        let packet_type = if traffic.use_outfox {
-            PacketType::Outfox
-        } else {
-            PacketType::Mix
-        };
-
        ConfigTraffic {
            average_packet_delay: Duration::from_millis(traffic.average_packet_delay_ms),
            message_sending_average_delay: Duration::from_millis(
@@ -94,28 +94,26 @@ impl From<TrafficWasm> for ConfigTraffic {
                .disable_main_poisson_packet_distribution,
            primary_packet_size: PacketSize::RegularPacket,
            secondary_packet_size: use_extended_packet_size,
-            packet_type,
        }
    }
 }

-impl From<ConfigTraffic> for TrafficWasm {
+impl From<ConfigTraffic> for Traffic {
    fn from(traffic: ConfigTraffic) -> Self {
-        TrafficWasm {
+        Traffic {
            average_packet_delay_ms: traffic.average_packet_delay.as_millis() as u64,
            message_sending_average_delay_ms: traffic.message_sending_average_delay.as_millis()
                as u64,
            disable_main_poisson_packet_distribution: traffic
                .disable_main_poisson_packet_distribution,
            use_extended_packet_size: traffic.secondary_packet_size.is_some(),
-            use_outfox: traffic.packet_type == PacketType::Outfox,
        }
    }
 }

 #[wasm_bindgen]
 #[derive(Debug, Copy, Clone)]
-pub struct CoverTrafficWasm {
+pub struct CoverTraffic {
    /// The parameter of Poisson distribution determining how long, on average,
    /// it is going to take for another loop cover traffic message to be sent.
    pub loop_cover_traffic_average_delay_ms: u64,
@@ -129,8 +127,8 @@ pub struct CoverTrafficWasm {
    pub disable_loop_cover_traffic_stream: bool,
 }

-impl From<CoverTrafficWasm> for ConfigCoverTraffic {
-    fn from(cover_traffic: CoverTrafficWasm) -> Self {
+impl From<CoverTraffic> for ConfigCoverTraffic {
+    fn from(cover_traffic: CoverTraffic) -> Self {
        ConfigCoverTraffic {
            loop_cover_traffic_average_delay: Duration::from_millis(
                cover_traffic.loop_cover_traffic_average_delay_ms,
@@ -141,9 +139,9 @@ impl From<CoverTrafficWasm> for ConfigCoverTraffic {
    }
 }

-impl From<ConfigCoverTraffic> for CoverTrafficWasm {
+impl From<ConfigCoverTraffic> for CoverTraffic {
    fn from(cover_traffic: ConfigCoverTraffic) -> Self {
-        CoverTrafficWasm {
+        CoverTraffic {
            loop_cover_traffic_average_delay_ms: cover_traffic
                .loop_cover_traffic_average_delay
                .as_millis() as u64,
@@ -155,14 +153,14 @@ impl From<ConfigCoverTraffic> for CoverTrafficWasm {

 #[wasm_bindgen]
 #[derive(Debug, Copy, Clone)]
-pub struct GatewayConnectionWasm {
+pub struct GatewayConnection {
    /// How long we're willing to wait for a response to a message sent to the gateway,
    /// before giving up on it.
    pub gateway_response_timeout_ms: u64,
 }

-impl From<GatewayConnectionWasm> for ConfigGatewayConnection {
-    fn from(gateway_connection: GatewayConnectionWasm) -> Self {
+impl From<GatewayConnection> for ConfigGatewayConnection {
+    fn from(gateway_connection: GatewayConnection) -> Self {
        ConfigGatewayConnection {
            gateway_response_timeout: Duration::from_millis(
                gateway_connection.gateway_response_timeout_ms,
@@ -171,9 +169,9 @@ impl From<GatewayConnectionWasm> for ConfigGatewayConnection {
    }
 }

-impl From<ConfigGatewayConnection> for GatewayConnectionWasm {
+impl From<ConfigGatewayConnection> for GatewayConnection {
    fn from(gateway_connection: ConfigGatewayConnection) -> Self {
-        GatewayConnectionWasm {
+        GatewayConnection {
            gateway_response_timeout_ms: gateway_connection.gateway_response_timeout.as_millis()
                as u64,
        }
@@ -182,7 +180,7 @@ impl From<ConfigGatewayConnection> for GatewayConnectionWasm {

 #[wasm_bindgen]
 #[derive(Debug, Copy, Clone)]
-pub struct AcknowledgementsWasm {
+pub struct Acknowledgements {
    /// The parameter of Poisson distribution determining how long, on average,
    /// sent acknowledgement is going to be delayed at any given mix node.
    /// So for an ack going through three mix nodes, on average, it will take three times this value
@@ -200,8 +198,8 @@ pub struct AcknowledgementsWasm {
    pub ack_wait_addition_ms: u64,
 }

-impl From<AcknowledgementsWasm> for ConfigAcknowledgements {
-    fn from(acknowledgements: AcknowledgementsWasm) -> Self {
+impl From<Acknowledgements> for ConfigAcknowledgements {
+    fn from(acknowledgements: Acknowledgements) -> Self {
        ConfigAcknowledgements {
            average_ack_delay: Duration::from_millis(acknowledgements.average_ack_delay_ms),
            ack_wait_multiplier: acknowledgements.ack_wait_multiplier,
@@ -210,9 +208,9 @@ impl From<AcknowledgementsWasm> for ConfigAcknowledgements {
    }
 }

-impl From<ConfigAcknowledgements> for AcknowledgementsWasm {
+impl From<ConfigAcknowledgements> for Acknowledgements {
    fn from(acknowledgements: ConfigAcknowledgements) -> Self {
-        AcknowledgementsWasm {
+        Acknowledgements {
            average_ack_delay_ms: acknowledgements.average_ack_delay.as_millis() as u64,
            ack_wait_multiplier: acknowledgements.ack_wait_multiplier,
            ack_wait_addition_ms: acknowledgements.ack_wait_addition.as_millis() as u64,
@@ -222,7 +220,7 @@ impl From<ConfigAcknowledgements> for AcknowledgementsWasm {

 #[wasm_bindgen]
 #[derive(Debug, Copy, Clone)]
-pub struct TopologyWasm {
+pub struct Topology {
    /// The uniform delay every which clients are querying the directory server
    /// to try to obtain a compatible network topology to send sphinx packets through.
    pub topology_refresh_rate_ms: u64,
@@ -231,38 +229,31 @@ pub struct TopologyWasm {
    /// path. This timeout determines waiting period until it is decided that the packet
    /// did not reach its destination.
    pub topology_resolution_timeout_ms: u64,
-
-    /// Specifies whether the client should not refresh the network topology after obtaining
-    /// the first valid instance.
-    /// Supersedes `topology_refresh_rate_ms`.
-    pub disable_refreshing: bool,
 }

-impl From<TopologyWasm> for ConfigTopology {
-    fn from(topology: TopologyWasm) -> Self {
+impl From<Topology> for ConfigTopology {
+    fn from(topology: Topology) -> Self {
        ConfigTopology {
            topology_refresh_rate: Duration::from_millis(topology.topology_refresh_rate_ms),
            topology_resolution_timeout: Duration::from_millis(
                topology.topology_resolution_timeout_ms,
            ),
-            disable_refreshing: topology.disable_refreshing,
        }
    }
 }

-impl From<ConfigTopology> for TopologyWasm {
+impl From<ConfigTopology> for Topology {
    fn from(topology: ConfigTopology) -> Self {
-        TopologyWasm {
+        Topology {
            topology_refresh_rate_ms: topology.topology_refresh_rate.as_millis() as u64,
            topology_resolution_timeout_ms: topology.topology_resolution_timeout.as_millis() as u64,
-            disable_refreshing: topology.disable_refreshing,
        }
    }
 }

 #[wasm_bindgen]
 #[derive(Debug, Copy, Clone)]
-pub struct ReplySurbsWasm {
+pub struct ReplySurbs {
    /// Defines the minimum number of reply surbs the client wants to keep in its storage at all times.
    /// It can only allow to go below that value if its to request additional reply surbs.
    pub minimum_reply_surb_storage_threshold: usize,
@@ -296,8 +287,8 @@ pub struct ReplySurbsWasm {
    pub maximum_reply_key_age_ms: u64,
 }

-impl From<ReplySurbsWasm> for ConfigReplySurbs {
-    fn from(reply_surbs: ReplySurbsWasm) -> Self {
+impl From<ReplySurbs> for ConfigReplySurbs {
+    fn from(reply_surbs: ReplySurbs) -> Self {
        ConfigReplySurbs {
            minimum_reply_surb_storage_threshold: reply_surbs.minimum_reply_surb_storage_threshold,
            maximum_reply_surb_storage_threshold: reply_surbs.maximum_reply_surb_storage_threshold,
@@ -317,9 +308,9 @@ impl From<ReplySurbsWasm> for ConfigReplySurbs {
    }
 }

-impl From<ConfigReplySurbs> for ReplySurbsWasm {
+impl From<ConfigReplySurbs> for ReplySurbs {
    fn from(reply_surbs: ConfigReplySurbs) -> Self {
-        ReplySurbsWasm {
+        ReplySurbs {
            minimum_reply_surb_storage_threshold: reply_surbs.minimum_reply_surb_storage_threshold,
            maximum_reply_surb_storage_threshold: reply_surbs.maximum_reply_surb_storage_threshold,
            minimum_reply_surb_request_size: reply_surbs.minimum_reply_surb_request_size,
@@ -341,28 +332,28 @@ impl From<ConfigReplySurbs> for ReplySurbsWasm {
 // just a helper structure to more easily pass through the JS boundary
 #[wasm_bindgen]
 #[derive(Debug, Copy, Clone)]
-pub struct DebugWasm {
+pub struct Debug {
    /// Defines all configuration options related to traffic streams.
-    pub traffic: TrafficWasm,
+    pub traffic: Traffic,

    /// Defines all configuration options related to cover traffic stream(s).
-    pub cover_traffic: CoverTrafficWasm,
+    pub cover_traffic: CoverTraffic,

    /// Defines all configuration options related to the gateway connection.
-    pub gateway_connection: GatewayConnectionWasm,
+    pub gateway_connection: GatewayConnection,

    /// Defines all configuration options related to acknowledgements, such as delays or wait timeouts.
-    pub acknowledgements: AcknowledgementsWasm,
+    pub acknowledgements: Acknowledgements,

    /// Defines all configuration options related topology, such as refresh rates or timeouts.
-    pub topology: TopologyWasm,
+    pub topology: Topology,

    /// Defines all configuration options related to reply SURBs.
-    pub reply_surbs: ReplySurbsWasm,
+    pub reply_surbs: ReplySurbs,
 }

-impl From<DebugWasm> for ConfigDebug {
-    fn from(debug: DebugWasm) -> Self {
+impl From<Debug> for ConfigDebug {
+    fn from(debug: Debug) -> Self {
        ConfigDebug {
            traffic: debug.traffic.into(),
            cover_traffic: debug.cover_traffic.into(),
@@ -374,9 +365,9 @@ impl From<DebugWasm> for ConfigDebug {
    }
 }

-impl From<ConfigDebug> for DebugWasm {
+impl From<ConfigDebug> for Debug {
    fn from(debug: ConfigDebug) -> Self {
-        DebugWasm {
+        Debug {
            traffic: debug.traffic.into(),
            cover_traffic: debug.cover_traffic.into(),
            gateway_connection: debug.gateway_connection.into(),
@@ -388,6 +379,6 @@ impl From<ConfigDebug> for DebugWasm {
 }

 #[wasm_bindgen]
-pub fn default_debug() -> DebugWasm {
+pub fn default_debug() -> Debug {
    ConfigDebug::default().into()
 }
@@ -1,42 +1,16 @@
-// Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::error::WasmClientError;
-use crate::tester::helpers::WasmTestMessageExt;
-use crate::tester::{NodeTestMessage, DEFAULT_TEST_PACKETS};
-use crate::topology::WasmNymTopology;
 use js_sys::Promise;
-use nym_client_core::client::base_client::{ClientInput, ClientState};
+use nym_client_core::client::base_client::ClientInput;
 use nym_client_core::client::inbound_messages::InputMessage;
-use nym_topology::{MixLayer, NymTopology};
 use std::sync::Arc;
-use wasm_bindgen::prelude::*;
 use wasm_bindgen::JsValue;
 use wasm_bindgen_futures::future_to_promise;
-use wasm_utils::{console_log, simple_js_error};
-
-#[wasm_bindgen]
-pub struct NymClientTestRequest {
-    // serialized NodeTestMessage
-    pub(crate) test_msgs: Vec<Vec<u8>>,
-
-    // specially constructed network topology that only contains the target
-    // node on the tested layer
-    pub(crate) testable_topology: NymTopology,
-}
-
-#[wasm_bindgen]
-impl NymClientTestRequest {
-    pub fn injectable_topology(&self) -> WasmNymTopology {
-        self.testable_topology.clone().into()
-    }
-}

 // defining helper trait as we could directly call the method on the wrapper
 pub(crate) trait InputSender {
    fn send_message(&self, message: InputMessage) -> Promise;
-
-    fn send_messages(&self, messages: Vec<InputMessage>) -> Promise;
 }

 impl InputSender for Arc<ClientInput> {
@@ -45,114 +19,12 @@ impl InputSender for Arc<ClientInput> {
        future_to_promise(async move {
            match this.input_sender.send(message).await {
                Ok(_) => Ok(JsValue::null()),
-                Err(_) => Err(simple_js_error(
-                    "InputMessageReceiver has stopped receiving!",
-                )),
-            }
-        })
-    }
-
-    fn send_messages(&self, messages: Vec<InputMessage>) -> Promise {
-        let this = Arc::clone(self);
-        future_to_promise(async move {
-            for message in messages {
-                if this.input_sender.send(message).await.is_err() {
-                    return Err(simple_js_error(
-                        "InputMessageReceiver has stopped receiving!",
-                    ));
+                Err(_) => {
+                    let js_error =
+                        js_sys::Error::new("InputMessageReceiver has stopped receiving!");
+                    Err(JsValue::from(js_error))
                }
            }
-            Ok(JsValue::null())
-        })
-    }
-}
-
-pub(crate) trait WasmTopologyExt {
-    /// Changes the current network topology to the provided value.
-    fn change_hardcoded_topology(&self, topology: WasmNymTopology) -> Promise;
-
-    /// Returns the current network topology.
-    fn current_topology(&self) -> Promise;
-
-    /// Checks whether the provided node exists in the known network topology and if so, returns its layer.
-    fn check_for_mixnode_existence(&self, mixnode_identity: String) -> Promise;
-
-    /// Creates a `NymClientTestRequest` with a variant of `this` topology where the target node is the only one on its layer.
-    fn mix_test_request(
-        &self,
-        test_id: u32,
-        mixnode_identity: String,
-        num_test_packets: Option<u32>,
-    ) -> Promise;
-}
-
-impl WasmTopologyExt for Arc<ClientState> {
-    fn change_hardcoded_topology(&self, topology: WasmNymTopology) -> Promise {
-        let this = Arc::clone(self);
-        future_to_promise(async move {
-            let nym_topology: NymTopology = topology.into();
-            console_log!("changing topology to {nym_topology:?}");
-            this.topology_accessor
-                .manually_change_topology(nym_topology)
-                .await;
-            Ok(JsValue::null())
-        })
-    }
-
-    fn current_topology(&self) -> Promise {
-        let this = Arc::clone(self);
-        future_to_promise(async move {
-            match this.topology_accessor.current_topology().await {
-                Some(topology) => Ok(JsValue::from(WasmNymTopology::from(topology))),
-                None => Err(WasmClientError::UnavailableNetworkTopology.into()),
-            }
-        })
-    }
-
-    /// Checks whether the target mixnode exists in the known network topology and returns its layer.
-    fn check_for_mixnode_existence(&self, mixnode_identity: String) -> Promise {
-        let this = Arc::clone(self);
-        future_to_promise(async move {
-            let Some(current_topology) = this.topology_accessor.current_topology().await else {
-                return Err(WasmClientError::UnavailableNetworkTopology.into())
-            };
-
-            match current_topology.find_mix_by_identity(&mixnode_identity) {
-                None => Err(WasmClientError::NonExistentMixnode { mixnode_identity }.into()),
-                Some(node) => Ok(JsValue::from(MixLayer::from(node.layer))),
-            }
-        })
-    }
-
-    fn mix_test_request(
-        &self,
-        test_id: u32,
-        mixnode_identity: String,
-        num_test_packets: Option<u32>,
-    ) -> Promise {
-        let num_test_packets = num_test_packets.unwrap_or(DEFAULT_TEST_PACKETS);
-
-        let this = Arc::clone(self);
-        future_to_promise(async move {
-            let Some(current_topology) = this.topology_accessor.current_topology().await else {
-                return Err(WasmClientError::UnavailableNetworkTopology.into())
-            };
-
-            let Some(mix) = current_topology.find_mix_by_identity(&mixnode_identity) else {
-                return Err(WasmClientError::NonExistentMixnode { mixnode_identity }.into());
-            };
-
-            let ext = WasmTestMessageExt::new(test_id);
-            let test_msgs = NodeTestMessage::mix_plaintexts(mix, num_test_packets, ext)
-                .map_err(WasmClientError::from)?;
-
-            let mut updated = current_topology.clone();
-            updated.set_mixes_in_layer(mix.layer.into(), vec![mix.to_owned()]);
-
-            Ok(JsValue::from(NymClientTestRequest {
-                test_msgs,
-                testable_topology: updated,
-            }))
        })
    }
 }
@@ -1,37 +1,27 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021-2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

 use self::config::Config;
-use crate::client::helpers::{InputSender, NymClientTestRequest, WasmTopologyExt};
+use crate::client::helpers::InputSender;
 use crate::client::response_pusher::ResponsePusher;
-use crate::constants::NODE_TESTER_CLIENT_ID;
-use crate::error::WasmClientError;
-use crate::helpers::{
-    parse_recipient, parse_sender_tag, setup_from_topology, setup_gateway_from_api,
-    setup_reply_surb_storage_backend,
-};
-use crate::storage::traits::FullWasmClientStorage;
-use crate::storage::ClientStorage;
-use crate::topology::WasmNymTopology;
 use js_sys::Promise;
 use nym_bandwidth_controller::wasm_mockups::{Client as FakeClient, DirectSigningNyxdClient};
+use nym_bandwidth_controller::BandwidthController;
 use nym_client_core::client::base_client::{
-    BaseClientBuilder, ClientInput, ClientOutput, ClientState,
+    BaseClientBuilder, ClientInput, ClientOutput, CredentialsToggle,
 };
-use nym_client_core::client::inbound_messages::InputMessage;
-use nym_credential_storage::ephemeral_storage::EphemeralStorage as EphemeralCredentialStorage;
-use nym_sphinx::params::PacketType;
+use nym_client_core::client::replies::reply_storage::browser_backend;
+use nym_client_core::client::{inbound_messages::InputMessage, key_manager::KeyManager};
+use nym_credential_storage::ephemeral_storage::EphemeralStorage;
+use nym_sphinx::addressing::clients::Recipient;
+use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
 use nym_task::connections::TransmissionLane;
 use nym_task::TaskManager;
-use nym_topology::provider_trait::{HardcodedTopologyProvider, TopologyProvider};
-use nym_topology::NymTopology;
-use nym_validator_client::client::IdentityKey;
 use rand::rngs::OsRng;
-use rand::RngCore;
 use std::sync::Arc;
 use wasm_bindgen::prelude::*;
 use wasm_bindgen_futures::future_to_promise;
-use wasm_utils::{check_promise_result, console_log, PromisableResult};
+use wasm_utils::{console_error, console_log};

 pub mod config;
 mod helpers;
@@ -41,222 +31,147 @@ mod response_pusher;
 pub struct NymClient {
    self_address: String,
    client_input: Arc<ClientInput>,
-    client_state: Arc<ClientState>,
-
-    // keep track of the "old" topology for the purposes of node tester
-    // so that it could be restored after the check is done
-    _full_topology: Option<NymTopology>,

    // even though we don't use graceful shutdowns, other components rely on existence of this struct
    // and if it's dropped, everything will start going offline
    _task_manager: TaskManager,
-
-    packet_type: PacketType,
 }

 #[wasm_bindgen]
 pub struct NymClientBuilder {
    config: Config,
-    custom_topology: Option<NymTopology>,
-    preferred_gateway: Option<IdentityKey>,

-    storage_passphrase: Option<String>,
+    /// KeyManager object containing smart pointers to all relevant keys used by the client.
+    key_manager: KeyManager,
+
+    reply_surb_storage_backend: browser_backend::Backend,
+
    on_message: js_sys::Function,
+
+    // unimplemented:
+    bandwidth_controller:
+        Option<BandwidthController<FakeClient<DirectSigningNyxdClient>, EphemeralStorage>>,
+    disabled_credentials: bool,
 }

 #[wasm_bindgen]
 impl NymClientBuilder {
    #[wasm_bindgen(constructor)]
-    pub fn new(
-        config: Config,
-        on_message: js_sys::Function,
-        preferred_gateway: Option<IdentityKey>,
-        storage_passphrase: Option<String>,
-    ) -> Self {
+    pub fn new(config: Config, on_message: js_sys::Function) -> Self {
+        //, key_manager: Option<KeyManager>) {
        NymClientBuilder {
+            reply_surb_storage_backend: Self::setup_reply_surb_storage_backend(&config),
            config,
-            custom_topology: None,
-            storage_passphrase,
+            key_manager: Self::setup_key_manager(),
            on_message,
-            preferred_gateway,
+            bandwidth_controller: None,
+            disabled_credentials: true,
        }
    }

-    // no cover traffic
-    // no poisson delay
-    // hardcoded topology
-    // NOTE: you most likely want to use `[NymNodeTester]` instead.
-    pub fn new_tester(
-        topology: WasmNymTopology,
-        on_message: js_sys::Function,
-        gateway: Option<IdentityKey>,
-    ) -> Self {
-        if let Some(gateway_id) = &gateway {
-            if !topology.ensure_contains_gateway_id(gateway_id) {
-                panic!("the specified topology does not contain the gateway used by the client")
-            }
-        }
+    // TODO: once we make keys persistent, we'll require some kind of `init` method to generate
+    // a prior shared keypair between the client and the gateway

-        let full_config = Config::new_tester_config(NODE_TESTER_CLIENT_ID);
+    // perhaps this should be public?
+    fn setup_key_manager() -> KeyManager {
+        let mut rng = OsRng;
+        // for time being generate new keys each time...
+        console_log!("generated new set of keys");
+        KeyManager::new(&mut rng)
+    }

-        NymClientBuilder {
-            config: full_config,
-            custom_topology: Some(topology.into()),
-            on_message,
-            storage_passphrase: None,
-            preferred_gateway: gateway,
-        }
+    // don't get too excited about the name, under the hood it's just a big fat placeholder
+    // with no persistence
+    fn setup_reply_surb_storage_backend(config: &Config) -> browser_backend::Backend {
+        browser_backend::Backend::new(
+            config
+                .debug
+                .reply_surbs
+                .minimum_reply_surb_storage_threshold,
+            config
+                .debug
+                .reply_surbs
+                .maximum_reply_surb_storage_threshold,
+        )
    }

    fn start_reconstructed_pusher(client_output: ClientOutput, on_message: js_sys::Function) {
        ResponsePusher::new(client_output, on_message).start()
    }

-    fn topology_provider(&mut self) -> Option<Box<dyn TopologyProvider + Send + Sync>> {
-        if let Some(hardcoded_topology) = self.custom_topology.take() {
-            Some(Box::new(HardcodedTopologyProvider::new(hardcoded_topology)))
-        } else {
-            None
-        }
-    }
+    pub async fn start_client(self) -> Promise {
+        future_to_promise(async move {
+            console_log!("Starting the wasm client");

-    fn initialise_storage(config: &Config, base_storage: ClientStorage) -> FullWasmClientStorage {
-        FullWasmClientStorage {
-            keys_and_gateway_store: base_storage,
-            reply_storage: setup_reply_surb_storage_backend(config.base.debug.reply_surbs),
-            credential_storage: EphemeralCredentialStorage::default(),
-        }
-    }
+            let disabled_credentials = if self.disabled_credentials {
+                CredentialsToggle::Disabled
+            } else {
+                CredentialsToggle::Enabled
+            };

-    async fn start_client_async(mut self) -> Result<NymClient, WasmClientError> {
-        console_log!("Starting the wasm client");
-
-        let nym_api_endpoints = self.config.base.client.nym_api_urls.clone();
-
-        // TODO: this will have to be re-used for surbs. but this is a problem for another PR.
-        let client_store =
-            ClientStorage::new_async(&self.config.base.client.id, self.storage_passphrase.take())
-                .await?;
-
-        let user_chosen = self.preferred_gateway.clone();
-
-        // if we provided hardcoded topology, get gateway from it, otherwise get it the 'standard' way
-        if let Some(topology) = &self.custom_topology {
-            setup_from_topology(user_chosen, topology, &client_store).await?
-        } else {
-            setup_gateway_from_api(&client_store, user_chosen, &nym_api_endpoints).await?
-        };
-
-        let packet_type = self.config.base.debug.traffic.packet_type;
-        let storage = Self::initialise_storage(&self.config, client_store);
-        let maybe_topology_provider = self.topology_provider();
-
-        let mut base_builder: BaseClientBuilder<_, FullWasmClientStorage> =
-            BaseClientBuilder::<FakeClient<DirectSigningNyxdClient>, _>::new(
-                &self.config.base,
-                storage,
-                None,
+            let base_builder = BaseClientBuilder::new(
+                &self.config.gateway_endpoint,
+                &self.config.debug,
+                self.key_manager,
+                self.bandwidth_controller,
+                self.reply_surb_storage_backend,
+                disabled_credentials,
+                vec![self.config.nym_api_url.clone()],
            );
-        if let Some(topology_provider) = maybe_topology_provider {
-            base_builder = base_builder.with_topology_provider(topology_provider);
-        }

-        let mut started_client = base_builder.start_base().await?;
-        let self_address = started_client.address.to_string();
+            let self_address = base_builder.as_mix_recipient().to_string();
+            let mut started_client = match base_builder.start_base().await {
+                Ok(base_client) => base_client,
+                Err(err) => {
+                    let error_msg = format!("failed to start the base client components - {err}");
+                    console_error!("{}", error_msg);
+                    let js_error = js_sys::Error::new(&error_msg);
+                    return Err(JsValue::from(js_error));
+                }
+            };

-        let client_input = started_client.client_input.register_producer();
-        let client_output = started_client.client_output.register_consumer();
+            let client_input = started_client.client_input.register_producer();
+            let client_output = started_client.client_output.register_consumer();

-        Self::start_reconstructed_pusher(client_output, self.on_message);
+            Self::start_reconstructed_pusher(client_output, self.on_message);

-        Ok(NymClient {
-            self_address,
-            client_input: Arc::new(client_input),
-            client_state: Arc::new(started_client.client_state),
-            _full_topology: None,
-            _task_manager: started_client.task_manager,
-            packet_type,
+            Ok(JsValue::from(NymClient {
+                self_address,
+                client_input: Arc::new(client_input),
+                _task_manager: started_client.task_manager,
+            }))
        })
    }
-
-    pub fn start_client(self) -> Promise {
-        future_to_promise(async move { self.start_client_async().await.into_promise_result() })
-    }
 }

 #[wasm_bindgen]
 impl NymClient {
-    async fn _new(
-        config: Config,
-        on_message: js_sys::Function,
-        preferred_gateway: Option<IdentityKey>,
-        storage_passphrase: Option<String>,
-    ) -> Result<NymClient, WasmClientError> {
-        NymClientBuilder::new(config, on_message, preferred_gateway, storage_passphrase)
-            .start_client_async()
-            .await
-    }
-
-    #[wasm_bindgen(constructor)]
-    #[allow(clippy::new_ret_no_self)]
-    pub fn new(
-        config: Config,
-        on_message: js_sys::Function,
-        preferred_gateway: Option<IdentityKey>,
-        storage_passphrase: Option<String>,
-    ) -> Promise {
-        future_to_promise(async move {
-            Self::_new(config, on_message, preferred_gateway, storage_passphrase)
-                .await
-                .into_promise_result()
-        })
-    }
-
    pub fn self_address(&self) -> String {
        self.self_address.clone()
    }

-    pub fn try_construct_test_packet_request(
-        &self,
-        mixnode_identity: String,
-        num_test_packets: Option<u32>,
-    ) -> Promise {
-        // TODO: improve the source of rng (i.e. don't make it ephemeral...)
-        let mut ephemeral_rng = OsRng;
-        let test_id = ephemeral_rng.next_u32();
-        self.client_state
-            .mix_test_request(test_id, mixnode_identity, num_test_packets)
+    fn parse_recipient(recipient: &str) -> Result<Recipient, JsValue> {
+        match Recipient::try_from_base58_string(recipient) {
+            Ok(recipient) => Ok(recipient),
+            Err(err) => {
+                let error_msg = format!("{recipient} is not a valid Nym network recipient - {err}");
+                console_error!("{}", error_msg);
+                let js_error = js_sys::Error::new(&error_msg);
+                Err(JsValue::from(js_error))
+            }
+        }
    }

-    pub fn change_hardcoded_topology(&self, topology: WasmNymTopology) -> Promise {
-        self.client_state.change_hardcoded_topology(topology)
-    }
-
-    pub fn current_network_topology(&self) -> Promise {
-        self.client_state.current_topology()
-    }
-
-    /// Sends a test packet through the current network topology.
-    /// It's the responsibility of the caller to ensure the correct topology has been injected and
-    /// correct onmessage handlers have been setup.
-    pub fn try_send_test_packets(&mut self, request: NymClientTestRequest) -> Promise {
-        // TOOD: use the premade packets instead
-        console_log!(
-            "Attempting to send {} test packets",
-            request.test_msgs.len()
-        );
-
-        // our address MUST BE valid
-        let recipient = parse_recipient(&self.self_address()).unwrap();
-
-        let lane = TransmissionLane::General;
-        let input_msgs = request
-            .test_msgs
-            .into_iter()
-            .map(|p| InputMessage::new_regular(recipient, p, lane, None))
-            .collect();
-
-        self.client_input.send_messages(input_msgs)
+    fn parse_sender_tag(tag: &str) -> Result<AnonymousSenderTag, JsValue> {
+        match AnonymousSenderTag::try_from_base58_string(tag) {
+            Ok(tag) => Ok(tag),
+            Err(err) => {
+                let error_msg = format!("{tag} is not a valid Nym AnonymousSenderTag - {err}");
+                console_error!("{}", error_msg);
+                let js_error = js_sys::Error::new(&error_msg);
+                Err(JsValue::from(js_error))
+            }
+        }
    }

    /// The simplest message variant where no additional information is attached.
@@ -269,11 +184,13 @@ impl NymClient {
            message.len() as f64 / 1024.0
        );

-        let recipient = check_promise_result!(parse_recipient(&recipient));
-
+        let recipient = match Self::parse_recipient(&recipient) {
+            Ok(recipient) => recipient,
+            Err(err) => return Promise::reject(&err),
+        };
        let lane = TransmissionLane::General;

-        let input_msg = InputMessage::new_regular(recipient, message, lane, Some(self.packet_type));
+        let input_msg = InputMessage::new_regular(recipient, message, lane);
        self.client_input.send_message(input_msg)
    }

@@ -296,17 +213,13 @@ impl NymClient {
            message.len() as f64 / 1024.0
        );

-        let recipient = check_promise_result!(parse_recipient(&recipient));
-
+        let recipient = match Self::parse_recipient(&recipient) {
+            Ok(recipient) => recipient,
+            Err(err) => return Promise::reject(&err),
+        };
        let lane = TransmissionLane::General;

-        let input_msg = InputMessage::new_anonymous(
-            recipient,
-            message,
-            reply_surbs,
-            lane,
-            Some(self.packet_type),
-        );
+        let input_msg = InputMessage::new_anonymous(recipient, message, reply_surbs, lane);
        self.client_input.send_message(input_msg)
    }

@@ -320,11 +233,13 @@ impl NymClient {
            message.len() as f64 / 1024.0
        );

-        let sender_tag = check_promise_result!(parse_sender_tag(&recipient_tag));
-
+        let sender_tag = match Self::parse_sender_tag(&recipient_tag) {
+            Ok(recipient) => recipient,
+            Err(err) => return Promise::reject(&err),
+        };
        let lane = TransmissionLane::General;

-        let input_msg = InputMessage::new_reply(sender_tag, message, lane, Some(self.packet_type));
+        let input_msg = InputMessage::new_reply(sender_tag, message, lane);
        self.client_input.send_message(input_msg)
    }
 }
@@ -1,5 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-pub(crate) const NODE_TESTER_ID: &str = "_nym-node-tester";
-pub(crate) const NODE_TESTER_CLIENT_ID: &str = "_nym-node-tester-client";
@@ -1,122 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::storage::errors::ClientStorageError;
-use crate::topology::WasmTopologyError;
-use js_sys::Promise;
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_client_core::error::ClientCoreError;
-use nym_crypto::asymmetric::identity::Ed25519RecoveryError;
-use nym_gateway_client::error::GatewayClientError;
-use nym_node_tester_utils::error::NetworkTestingError;
-use nym_sphinx::addressing::clients::RecipientFormattingError;
-use nym_sphinx::anonymous_replies::requests::InvalidAnonymousSenderTagRepresentation;
-use nym_topology::NymTopologyError;
-use nym_validator_client::ValidatorClientError;
-use thiserror::Error;
-use wasm_bindgen::JsValue;
-use wasm_utils::simple_js_error;
-
-// might as well start using well-defined error enum...
-#[derive(Debug, Error)]
-pub enum WasmClientError {
-    #[error(
-        "A node test is already in progress. Wait for it to finish before starting another one."
-    )]
-    TestInProgress,
-
-    #[error("experienced an issue with internal client components: {source}")]
-    BaseClientError {
-        #[from]
-        source: ClientCoreError,
-    },
-
-    #[error("The provided gateway identity is invalid: {source}")]
-    InvalidGatewayIdentity { source: Ed25519RecoveryError },
-
-    #[error("Gateway communication failure: {source}")]
-    GatewayClientError {
-        #[from]
-        source: GatewayClientError,
-    },
-
-    #[error("failed to query nym api: {source}")]
-    NymApiError {
-        #[from]
-        source: ValidatorClientError,
-    },
-
-    #[error("The provided wasm topology was invalid: {source}")]
-    WasmTopologyError {
-        #[from]
-        source: WasmTopologyError,
-    },
-
-    #[error("The provided nym topology was invalid: {source}")]
-    TopologyError {
-        #[from]
-        source: NymTopologyError,
-    },
-
-    #[error("failed to test the node: {source}")]
-    NodeTestingFailure {
-        #[from]
-        source: NetworkTestingError,
-    },
-
-    #[error("{raw} is not a valid url: {source}")]
-    MalformedUrl {
-        raw: String,
-        source: url::ParseError,
-    },
-
-    #[error("Network topology is currently unavailable")]
-    UnavailableNetworkTopology,
-
-    #[error("Mixnode {mixnode_identity} is not present in the current network topology")]
-    NonExistentMixnode { mixnode_identity: String },
-
-    #[error("Gateway {gateway_identity} is not present in the current network topology")]
-    NonExistentGateway { gateway_identity: String },
-
-    #[error("{raw} is not a valid Nym network recipient: {source}")]
-    MalformedRecipient {
-        raw: String,
-        source: RecipientFormattingError,
-    },
-
-    #[error("{raw} is not a valid Nym AnonymousSenderTag: {source}")]
-    MalformedSenderTag {
-        raw: String,
-        source: InvalidAnonymousSenderTagRepresentation,
-    },
-
-    #[error(transparent)]
-    StorageError {
-        #[from]
-        source: ClientStorageError,
-    },
-
-    #[error("this client has already registered with a gateway: {gateway_config:?}")]
-    AlreadyRegistered {
-        gateway_config: GatewayEndpointConfig,
-    },
-}
-
-impl WasmClientError {
-    pub fn into_rejected_promise(self) -> Promise {
-        self.into()
-    }
-}
-
-impl From<WasmClientError> for JsValue {
-    fn from(value: WasmClientError) -> Self {
-        simple_js_error(value.to_string())
-    }
-}
-
-impl From<WasmClientError> for Promise {
-    fn from(value: WasmClientError) -> Self {
-        Promise::reject(&value.into())
-    }
-}
@@ -1,114 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::error::WasmClientError;
-use crate::storage::ClientStorage;
-use crate::topology::WasmNymTopology;
-use js_sys::Promise;
-use nym_client_core::client::replies::reply_storage::browser_backend;
-use nym_client_core::config;
-use nym_client_core::init::helpers::current_gateways;
-use nym_client_core::init::{setup_gateway_from, GatewaySetup, InitialisationDetails};
-use nym_sphinx::addressing::clients::Recipient;
-use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_topology::{gateway, NymTopology};
-use nym_validator_client::client::IdentityKey;
-use nym_validator_client::NymApiClient;
-use rand::thread_rng;
-use url::Url;
-use wasm_bindgen::prelude::wasm_bindgen;
-use wasm_bindgen_futures::future_to_promise;
-use wasm_utils::PromisableResult;
-
-// don't get too excited about the name, under the hood it's just a big fat placeholder
-// with no disk_persistence
-pub(crate) fn setup_reply_surb_storage_backend(
-    config: config::ReplySurbs,
-) -> browser_backend::Backend {
-    browser_backend::Backend::new(
-        config.minimum_reply_surb_storage_threshold,
-        config.maximum_reply_surb_storage_threshold,
-    )
-}
-
-pub(crate) fn parse_recipient(recipient: &str) -> Result<Recipient, WasmClientError> {
-    Recipient::try_from_base58_string(recipient).map_err(|source| {
-        WasmClientError::MalformedRecipient {
-            raw: recipient.to_string(),
-            source,
-        }
-    })
-}
-
-pub(crate) fn parse_sender_tag(tag: &str) -> Result<AnonymousSenderTag, WasmClientError> {
-    AnonymousSenderTag::try_from_base58_string(tag).map_err(|source| {
-        WasmClientError::MalformedSenderTag {
-            raw: tag.to_string(),
-            source,
-        }
-    })
-}
-
-pub(crate) async fn current_network_topology_async(
-    nym_api_url: String,
-) -> Result<WasmNymTopology, WasmClientError> {
-    let url: Url = match nym_api_url.parse() {
-        Ok(url) => url,
-        Err(source) => {
-            return Err(WasmClientError::MalformedUrl {
-                raw: nym_api_url,
-                source,
-            })
-        }
-    };
-
-    let api_client = NymApiClient::new(url);
-    let mixnodes = api_client.get_cached_active_mixnodes().await?;
-    let gateways = api_client.get_cached_gateways().await?;
-
-    Ok(NymTopology::from_detailed(mixnodes, gateways).into())
-}
-
-#[wasm_bindgen]
-pub fn current_network_topology(nym_api_url: String) -> Promise {
-    future_to_promise(async move {
-        current_network_topology_async(nym_api_url)
-            .await
-            .into_promise_result()
-    })
-}
-
-async fn setup_gateway(
-    client_store: &ClientStorage,
-    chosen_gateway: Option<IdentityKey>,
-    gateways: &[gateway::Node],
-) -> Result<InitialisationDetails, WasmClientError> {
-    let setup = if client_store.has_full_gateway_info().await? {
-        GatewaySetup::MustLoad
-    } else {
-        GatewaySetup::new_fresh(chosen_gateway.clone(), None)
-    };
-
-    setup_gateway_from(&setup, client_store, client_store, false, Some(gateways))
-        .await
-        .map_err(Into::into)
-}
-
-pub(crate) async fn setup_gateway_from_api(
-    client_store: &ClientStorage,
-    chosen_gateway: Option<IdentityKey>,
-    nym_apis: &[Url],
-) -> Result<InitialisationDetails, WasmClientError> {
-    let mut rng = thread_rng();
-    let gateways = current_gateways(&mut rng, nym_apis).await?;
-    setup_gateway(client_store, chosen_gateway, &gateways).await
-}
-
-pub(crate) async fn setup_from_topology(
-    explicit_gateway: Option<IdentityKey>,
-    topology: &NymTopology,
-    client_store: &ClientStorage,
-) -> Result<InitialisationDetails, WasmClientError> {
-    let gateways = topology.gateways();
-    setup_gateway(client_store, explicit_gateway, gateways).await
-}
@@ -1,4 +1,4 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

 use wasm_bindgen::prelude::*;
@@ -8,23 +8,10 @@ mod client;
 #[cfg(target_arch = "wasm32")]
 pub mod encoded_payload_helper;
 #[cfg(target_arch = "wasm32")]
-pub mod error;
-#[cfg(target_arch = "wasm32")]
 pub mod gateway_selector;
 #[cfg(target_arch = "wasm32")]
-pub mod storage;
-#[cfg(target_arch = "wasm32")]
-pub mod tester;
-#[cfg(target_arch = "wasm32")]
-pub mod topology;
-#[cfg(target_arch = "wasm32")]
 pub mod validation;

-#[cfg(target_arch = "wasm32")]
-mod helpers;
-
-mod constants;
-
 #[wasm_bindgen]
 pub fn set_panic_hook() {
    // When the `console_error_panic_hook` feature is enabled, we can call the
@@ -1,28 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use thiserror::Error;
-use wasm_bindgen::JsValue;
-use wasm_utils::simple_js_error;
-use wasm_utils::storage::error::StorageError;
-
-#[derive(Debug, Error)]
-pub enum ClientStorageError {
-    #[error("failed to use the storage: {source}")]
-    StorageError {
-        #[from]
-        source: StorageError,
-    },
-
-    #[error("{typ} cryptographic key is not available in storage")]
-    CryptoKeyNotInStorage { typ: String },
-
-    #[error("the prior gateway details are not available in the storage")]
-    GatewayDetailsNotInStorage,
-}
-
-impl From<ClientStorageError> for JsValue {
-    fn from(value: ClientStorageError) -> Self {
-        simple_js_error(value.to_string())
-    }
-}
@@ -1,294 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::client::config::Config;
-use crate::storage::errors::ClientStorageError;
-use js_sys::Promise;
-use nym_client_core::client::base_client::storage::gateway_details::PersistedGatewayDetails;
-use nym_crypto::asymmetric::{encryption, identity};
-use nym_gateway_client::SharedKeys;
-use nym_sphinx::acknowledgements::AckKey;
-use std::sync::Arc;
-use wasm_bindgen::prelude::*;
-use wasm_bindgen_futures::future_to_promise;
-use wasm_utils::storage::{IdbVersionChangeEvent, WasmStorage};
-use wasm_utils::PromisableResult;
-use zeroize::Zeroizing;
-
-pub(crate) mod errors;
-pub(crate) mod traits;
-
-const STORAGE_NAME_PREFIX: &str = "wasm-client-storage";
-const STORAGE_VERSION: u32 = 1;
-
-// v1 tables
-mod v1 {
-    // stores
-    pub const KEYS_STORE: &str = "keys";
-    pub const CORE_STORE: &str = "core";
-
-    // keys
-    pub const CONFIG: &str = "config";
-    pub const GATEWAY_DETAILS: &str = "gateway_details";
-
-    pub const ED25519_IDENTITY_KEYPAIR: &str = "ed25519_identity_keypair";
-    pub const X25519_ENCRYPTION_KEYPAIR: &str = "x25519_encryption_keypair";
-
-    // TODO: for those we could actually use the subtle crypto storage
-    pub const AES128CTR_ACK_KEY: &str = "aes128ctr_ack_key";
-    pub const AES128CTR_BLAKE3_HMAC_GATEWAY_KEYS: &str = "aes128ctr_blake3_hmac_gateway_keys";
-}
-
-#[wasm_bindgen]
-pub struct ClientStorage {
-    #[allow(dead_code)]
-    pub(crate) name: String,
-    pub(crate) inner: Arc<WasmStorage>,
-}
-
-#[wasm_bindgen]
-impl ClientStorage {
-    fn db_name(client_id: &str) -> String {
-        format!("{STORAGE_NAME_PREFIX}-{client_id}")
-    }
-
-    pub(crate) async fn new_async(
-        client_id: &str,
-        passphrase: Option<String>,
-    ) -> Result<Self, ClientStorageError> {
-        let name = Self::db_name(client_id);
-
-        // make sure the password is zeroized when no longer used, especially if we error out.
-        // special care must be taken on JS side to ensure it's correctly used there.
-        let passphrase = Zeroizing::new(passphrase);
-
-        let migrate_fn = Some(|evt: &IdbVersionChangeEvent| -> Result<(), JsValue> {
-            // Even if the web-sys bindings expose the version as a f64, the IndexedDB API
-            // works with an unsigned integer.
-            // See <https://github.com/rustwasm/wasm-bindgen/issues/1149>
-            let old_version = evt.old_version() as u32;
-
-            if old_version < 1 {
-                // migrating to version 1
-                let db = evt.db();
-
-                db.create_object_store(v1::KEYS_STORE)?;
-                db.create_object_store(v1::CORE_STORE)?;
-            }
-
-            Ok(())
-        });
-
-        let inner = WasmStorage::new(
-            &name,
-            STORAGE_VERSION,
-            migrate_fn,
-            passphrase.as_ref().map(|p| p.as_bytes()),
-        )
-        .await?;
-
-        Ok(ClientStorage {
-            inner: Arc::new(inner),
-            name,
-        })
-    }
-
-    #[wasm_bindgen(constructor)]
-    #[allow(clippy::new_ret_no_self)]
-    pub fn new(client_id: String, passphrase: String) -> Promise {
-        future_to_promise(async move {
-            Self::new_async(&client_id, Some(passphrase))
-                .await
-                .into_promise_result()
-        })
-    }
-
-    pub fn new_unencrypted(client_id: String) -> Promise {
-        future_to_promise(async move {
-            Self::new_async(&client_id, None)
-                .await
-                .into_promise_result()
-        })
-    }
-
-    // TODO: persist client's config
-    #[allow(dead_code)]
-    pub(crate) async fn read_config(&self) -> Result<Option<Config>, ClientStorageError> {
-        self.inner
-            .read_value(v1::CORE_STORE, JsValue::from_str(v1::CONFIG))
-            .await
-            .map_err(Into::into)
-    }
-
-    pub(crate) async fn may_read_gateway_details(
-        &self,
-    ) -> Result<Option<PersistedGatewayDetails>, ClientStorageError> {
-        self.inner
-            .read_value(v1::CORE_STORE, JsValue::from_str(v1::GATEWAY_DETAILS))
-            .await
-            .map_err(Into::into)
-    }
-
-    pub(crate) async fn must_read_gateway_details(
-        &self,
-    ) -> Result<PersistedGatewayDetails, ClientStorageError> {
-        self.may_read_gateway_details()
-            .await?
-            .ok_or(ClientStorageError::GatewayDetailsNotInStorage)
-    }
-
-    async fn may_read_identity_keypair(
-        &self,
-    ) -> Result<Option<identity::KeyPair>, ClientStorageError> {
-        self.inner
-            .read_value(
-                v1::KEYS_STORE,
-                JsValue::from_str(v1::ED25519_IDENTITY_KEYPAIR),
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    async fn may_read_encryption_keypair(
-        &self,
-    ) -> Result<Option<encryption::KeyPair>, ClientStorageError> {
-        self.inner
-            .read_value(
-                v1::KEYS_STORE,
-                JsValue::from_str(v1::X25519_ENCRYPTION_KEYPAIR),
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    async fn may_read_ack_key(&self) -> Result<Option<AckKey>, ClientStorageError> {
-        self.inner
-            .read_value(v1::KEYS_STORE, JsValue::from_str(v1::AES128CTR_ACK_KEY))
-            .await
-            .map_err(Into::into)
-    }
-
-    async fn may_read_gateway_shared_key(&self) -> Result<Option<SharedKeys>, ClientStorageError> {
-        self.inner
-            .read_value(
-                v1::KEYS_STORE,
-                JsValue::from_str(v1::AES128CTR_BLAKE3_HMAC_GATEWAY_KEYS),
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    async fn must_read_identity_keypair(&self) -> Result<identity::KeyPair, ClientStorageError> {
-        self.may_read_identity_keypair()
-            .await?
-            .ok_or(ClientStorageError::CryptoKeyNotInStorage {
-                typ: v1::ED25519_IDENTITY_KEYPAIR.to_string(),
-            })
-    }
-
-    async fn must_read_encryption_keypair(
-        &self,
-    ) -> Result<encryption::KeyPair, ClientStorageError> {
-        self.may_read_encryption_keypair()
-            .await?
-            .ok_or(ClientStorageError::CryptoKeyNotInStorage {
-                typ: v1::X25519_ENCRYPTION_KEYPAIR.to_string(),
-            })
-    }
-
-    async fn must_read_ack_key(&self) -> Result<AckKey, ClientStorageError> {
-        self.may_read_ack_key()
-            .await?
-            .ok_or(ClientStorageError::CryptoKeyNotInStorage {
-                typ: v1::AES128CTR_ACK_KEY.to_string(),
-            })
-    }
-
-    async fn must_read_gateway_shared_key(&self) -> Result<SharedKeys, ClientStorageError> {
-        self.may_read_gateway_shared_key()
-            .await?
-            .ok_or(ClientStorageError::CryptoKeyNotInStorage {
-                typ: v1::AES128CTR_BLAKE3_HMAC_GATEWAY_KEYS.to_string(),
-            })
-    }
-
-    async fn store_identity_keypair(
-        &self,
-        keypair: &identity::KeyPair,
-    ) -> Result<(), ClientStorageError> {
-        self.inner
-            .store_value(
-                v1::KEYS_STORE,
-                JsValue::from_str(v1::ED25519_IDENTITY_KEYPAIR),
-                keypair,
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    async fn store_encryption_keypair(
-        &self,
-        keypair: &encryption::KeyPair,
-    ) -> Result<(), ClientStorageError> {
-        self.inner
-            .store_value(
-                v1::KEYS_STORE,
-                JsValue::from_str(v1::X25519_ENCRYPTION_KEYPAIR),
-                keypair,
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    async fn store_ack_key(&self, key: &AckKey) -> Result<(), ClientStorageError> {
-        self.inner
-            .store_value(
-                v1::KEYS_STORE,
-                JsValue::from_str(v1::AES128CTR_ACK_KEY),
-                key,
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    async fn store_gateway_shared_key(&self, key: &SharedKeys) -> Result<(), ClientStorageError> {
-        self.inner
-            .store_value(
-                v1::KEYS_STORE,
-                JsValue::from_str(v1::AES128CTR_BLAKE3_HMAC_GATEWAY_KEYS),
-                key,
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    pub(crate) async fn store_gateway_details(
-        &self,
-        gateway_endpoint: &PersistedGatewayDetails,
-    ) -> Result<(), ClientStorageError> {
-        self.inner
-            .store_value(
-                v1::CORE_STORE,
-                JsValue::from_str(v1::GATEWAY_DETAILS),
-                gateway_endpoint,
-            )
-            .await
-            .map_err(Into::into)
-    }
-
-    // TODO: persist client's config
-    #[allow(dead_code)]
-    pub(crate) async fn store_config(&self, config: &Config) -> Result<(), ClientStorageError> {
-        self.inner
-            .store_value(v1::CORE_STORE, JsValue::from_str(v1::CONFIG), config)
-            .await
-            .map_err(Into::into)
-    }
-
-    pub(crate) async fn has_full_gateway_info(&self) -> Result<bool, ClientStorageError> {
-        let has_keys = self.may_read_gateway_shared_key().await?.is_some();
-        let has_details = self.may_read_gateway_details().await?.is_some();
-
-        Ok(has_keys && has_details)
-    }
-}
@@ -1,101 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::storage::errors::ClientStorageError;
-use crate::storage::ClientStorage;
-use async_trait::async_trait;
-use nym_client_core::client::base_client::storage::gateway_details::{
-    GatewayDetailsStore, PersistedGatewayDetails,
-};
-use nym_client_core::client::base_client::storage::MixnetClientStorage;
-use nym_client_core::client::key_manager::persistence::KeyStore;
-use nym_client_core::client::key_manager::KeyManager;
-use nym_client_core::client::replies::reply_storage::browser_backend;
-use nym_credential_storage::ephemeral_storage::EphemeralStorage as EphemeralCredentialStorage;
-use wasm_utils::console_log;
-
-// temporary until other variants are properly implemented (probably it should get changed into `ClientStorage`
-// implementing all traits and everything getting combined
-pub struct FullWasmClientStorage {
-    pub(crate) keys_and_gateway_store: ClientStorage,
-    pub(crate) reply_storage: browser_backend::Backend,
-    pub(crate) credential_storage: EphemeralCredentialStorage,
-}
-
-impl MixnetClientStorage for FullWasmClientStorage {
-    type KeyStore = ClientStorage;
-    type ReplyStore = browser_backend::Backend;
-    type CredentialStore = EphemeralCredentialStorage;
-
-    type GatewayDetailsStore = ClientStorage;
-
-    fn into_runtime_stores(self) -> (Self::ReplyStore, Self::CredentialStore) {
-        (self.reply_storage, self.credential_storage)
-    }
-
-    fn key_store(&self) -> &Self::KeyStore {
-        &self.keys_and_gateway_store
-    }
-
-    fn reply_store(&self) -> &Self::ReplyStore {
-        &self.reply_storage
-    }
-
-    fn credential_store(&self) -> &Self::CredentialStore {
-        &self.credential_storage
-    }
-
-    fn gateway_details_store(&self) -> &Self::GatewayDetailsStore {
-        &self.keys_and_gateway_store
-    }
-}
-
-#[async_trait(?Send)]
-impl KeyStore for ClientStorage {
-    type StorageError = ClientStorageError;
-
-    async fn load_keys(&self) -> Result<KeyManager, Self::StorageError> {
-        console_log!("attempting to load cryptographic keys...");
-
-        // all keys implement `ZeroizeOnDrop`, so if we return an Error, whatever was already loaded will be cleared
-        let identity_keypair = self.must_read_identity_keypair().await?;
-        let encryption_keypair = self.must_read_encryption_keypair().await?;
-        let ack_keypair = self.must_read_ack_key().await?;
-        let gateway_shared_key = self.must_read_gateway_shared_key().await?;
-
-        Ok(KeyManager::from_keys(
-            identity_keypair,
-            encryption_keypair,
-            gateway_shared_key,
-            ack_keypair,
-        ))
-    }
-
-    async fn store_keys(&self, keys: &KeyManager) -> Result<(), Self::StorageError> {
-        console_log!("attempting to store cryptographic keys...");
-
-        self.store_identity_keypair(&keys.identity_keypair())
-            .await?;
-        self.store_encryption_keypair(&keys.encryption_keypair())
-            .await?;
-        self.store_ack_key(&keys.ack_key()).await?;
-        self.store_gateway_shared_key(&keys.gateway_shared_key())
-            .await
-    }
-}
-
-#[async_trait(?Send)]
-impl GatewayDetailsStore for ClientStorage {
-    type StorageError = ClientStorageError;
-
-    async fn load_gateway_details(&self) -> Result<PersistedGatewayDetails, Self::StorageError> {
-        self.must_read_gateway_details().await
-    }
-
-    async fn store_gateway_details(
-        &self,
-        details: &PersistedGatewayDetails,
-    ) -> Result<(), Self::StorageError> {
-        self.store_gateway_details(details).await
-    }
-}
@@ -1,112 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::tester::helpers::{NodeTestResult, WasmTestMessageExt};
-use futures::StreamExt;
-use nym_node_tester_utils::processor::Received;
-use nym_node_tester_utils::receiver::ReceivedReceiver;
-use nym_sphinx::chunking::fragment::FragmentIdentifier;
-use std::collections::HashSet;
-use std::time::Duration;
-use tokio::sync::MutexGuard as AsyncMutexGuard;
-use wasm_utils::{console_error, console_log, console_warn};
-
-pub(crate) struct EphemeralTestReceiver<'a> {
-    sent_packets: u32,
-    expected_acks: HashSet<FragmentIdentifier>,
-
-    received_valid_messages: HashSet<u32>,
-    received_valid_acks: HashSet<FragmentIdentifier>,
-    duplicate_packets: u32,
-    duplicate_acks: u32,
-
-    timeout_duration: Duration,
-    receiver_permit: AsyncMutexGuard<'a, ReceivedReceiver<WasmTestMessageExt>>,
-}
-
-impl<'a> EphemeralTestReceiver<'a> {
-    pub(crate) fn finish(self) -> NodeTestResult {
-        NodeTestResult {
-            sent_packets: self.sent_packets,
-            received_packets: self.received_valid_messages.len() as u32,
-            received_acks: self.received_valid_acks.len() as u32,
-            duplicate_packets: self.duplicate_packets,
-            duplicate_acks: self.duplicate_acks,
-        }
-    }
-
-    pub(crate) fn new(
-        sent_packets: u32,
-        expected_acks: HashSet<FragmentIdentifier>,
-        receiver_permit: AsyncMutexGuard<'a, ReceivedReceiver<WasmTestMessageExt>>,
-        timeout: Duration,
-    ) -> Self {
-        EphemeralTestReceiver {
-            sent_packets,
-            expected_acks,
-            received_valid_messages: Default::default(),
-            received_valid_acks: Default::default(),
-            duplicate_packets: 0,
-            duplicate_acks: 0,
-            timeout_duration: timeout,
-            receiver_permit,
-        }
-    }
-
-    fn on_next_received_packet(&mut self, packet: Option<Received<WasmTestMessageExt>>) -> bool {
-        let Some(received_packet) = packet else {
-            // can't do anything more...
-            console_error!("packet receiver has stopped processing results!");
-            return true
-        };
-        match received_packet {
-            Received::Message(msg) => {
-                if !self.received_valid_messages.insert(msg.msg_id) {
-                    self.duplicate_packets += 1;
-                }
-            }
-            Received::Ack(frag_id) => {
-                if self.expected_acks.contains(&frag_id) {
-                    if !self.received_valid_acks.insert(frag_id) {
-                        self.duplicate_acks += 1
-                    }
-                } else {
-                    console_warn!("received an ack that was not part of the test! (id: {frag_id})")
-                }
-            }
-        }
-
-        if self.received_all() {
-            console_log!("already received all the packets! finishing the test...");
-            true
-        } else {
-            false
-        }
-    }
-
-    fn received_all(&self) -> bool {
-        self.received_valid_acks.len() == self.received_valid_messages.len()
-            && self.received_valid_acks.len() == self.sent_packets as usize
-    }
-
-    pub(crate) async fn perform_test(mut self) -> NodeTestResult {
-        let mut timeout_fut = wasm_timer::Delay::new(self.timeout_duration);
-
-        loop {
-            tokio::select! {
-                _ = &mut timeout_fut => {
-                    console_warn!("reached test timeout before receiving all packets.");
-                    break
-                }
-                received_packet = self.receiver_permit.next() => {
-                    let is_done = self.on_next_received_packet(received_packet);
-                    if is_done {
-                        break
-                    }
-                }
-            }
-        }
-
-        self.finish()
-    }
-}
@@ -1,109 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-// due to expansion of #[wasm_bindgen] macro on NodeTestResult
-#![allow(clippy::drop_non_drop)]
-
-use nym_node_tester_utils::processor::Received;
-use nym_node_tester_utils::receiver::ReceivedReceiver;
-use serde::{Deserialize, Serialize};
-use std::fmt::{Display, Formatter};
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::sync::Arc;
-use tokio::sync::{Mutex as AsyncMutex, MutexGuard as AsyncMutexGuard};
-use wasm_bindgen::prelude::*;
-use wasm_utils::{console_log, console_warn};
-
-#[derive(Clone)]
-pub(super) struct ReceivedReceiverWrapper(Arc<AsyncMutex<ReceivedReceiver<WasmTestMessageExt>>>);
-
-impl ReceivedReceiverWrapper {
-    pub(super) fn new(inner: ReceivedReceiver<WasmTestMessageExt>) -> Self {
-        ReceivedReceiverWrapper(Arc::new(AsyncMutex::new(inner)))
-    }
-
-    pub(super) async fn clear_received_channel(&self) {
-        let mut lost_msgs = 0;
-        let mut lost_acks = 0;
-        let mut permit = self.0.lock().await;
-        while let Ok(Some(received)) = permit.try_next() {
-            match received {
-                Received::Message(_) => lost_msgs += 1,
-                Received::Ack(_) => lost_acks += 1,
-            }
-        }
-        if lost_msgs > 0 || lost_acks > 0 {
-            console_warn!("while preparing for the test run, we cleared {lost_msgs} messages and {lost_acks} acks that were received in the meantime.")
-        }
-    }
-
-    pub(super) async fn lock(&self) -> AsyncMutexGuard<'_, ReceivedReceiver<WasmTestMessageExt>> {
-        self.0.lock().await
-    }
-}
-
-#[derive(Serialize, Deserialize, Copy, Clone)]
-pub struct WasmTestMessageExt {
-    pub test_id: u32,
-}
-
-impl WasmTestMessageExt {
-    pub fn new(test_id: u32) -> Self {
-        WasmTestMessageExt { test_id }
-    }
-}
-
-// TODO: maybe put it in the tester utils
-#[wasm_bindgen]
-pub struct NodeTestResult {
-    pub sent_packets: u32,
-    pub received_packets: u32,
-    pub received_acks: u32,
-
-    pub duplicate_packets: u32,
-    pub duplicate_acks: u32,
-}
-
-impl Display for NodeTestResult {
-    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        writeln!(f, "Test results: ")?;
-        writeln!(f, "Total score: {:.2}%", self.score())?;
-        writeln!(f, "Sent packets: {}", self.sent_packets)?;
-        writeln!(f, "Received (valid) packets: {}", self.received_packets)?;
-        writeln!(f, "Received (valid) acks: {}", self.received_acks)?;
-        writeln!(f, "Received duplicate packets: {}", self.duplicate_packets)?;
-        write!(f, "Received duplicate acks: {}", self.duplicate_acks)
-    }
-}
-
-#[wasm_bindgen]
-impl NodeTestResult {
-    pub fn log_details(&self) {
-        console_log!("{}", self)
-    }
-
-    pub fn score(&self) -> f32 {
-        let expected = self.sent_packets * 2;
-        let actual = (self.received_packets + self.received_acks)
-            .saturating_sub(self.duplicate_packets + self.duplicate_acks);
-
-        actual as f32 / expected as f32 * 100.
-    }
-}
-
-pub(crate) struct TestMarker {
-    value: Arc<AtomicBool>,
-}
-
-impl TestMarker {
-    pub fn new(value: Arc<AtomicBool>) -> Self {
-        Self { value }
-    }
-}
-
-impl Drop for TestMarker {
-    // make sure to clear the test flag when the marker is dropped
-    fn drop(&mut self) {
-        self.value.store(false, Ordering::SeqCst)
-    }
-}
@@ -1,321 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::constants::NODE_TESTER_ID;
-use crate::error::WasmClientError;
-use crate::helpers::{current_network_topology_async, setup_from_topology};
-use crate::storage::ClientStorage;
-use crate::tester::ephemeral_receiver::EphemeralTestReceiver;
-use crate::tester::helpers::{
-    NodeTestResult, ReceivedReceiverWrapper, TestMarker, WasmTestMessageExt,
-};
-use crate::topology::WasmNymTopology;
-use futures::channel::mpsc;
-use js_sys::Promise;
-use nym_bandwidth_controller::wasm_mockups::{Client as FakeClient, DirectSigningNyxdClient};
-use nym_bandwidth_controller::BandwidthController;
-use nym_client_core::client::key_manager::ManagedKeys;
-use nym_client_core::init::InitialisationDetails;
-use nym_credential_storage::ephemeral_storage::EphemeralStorage;
-use nym_gateway_client::GatewayClient;
-use nym_node_tester_utils::receiver::SimpleMessageReceiver;
-use nym_node_tester_utils::{NodeTester, TestMessage};
-use nym_sphinx::addressing::clients::Recipient;
-use nym_sphinx::addressing::nodes::NodeIdentity;
-use nym_sphinx::params::PacketSize;
-use nym_sphinx::preparer::PreparedFragment;
-use nym_task::TaskManager;
-use nym_topology::NymTopology;
-use nym_validator_client::client::IdentityKey;
-use rand::rngs::OsRng;
-use std::collections::HashSet;
-use std::sync::atomic::{AtomicBool, AtomicU32, Ordering};
-use std::sync::{Arc, Mutex as SyncMutex};
-use std::time::Duration;
-use tokio::sync::Mutex as AsyncMutex;
-use wasm_bindgen::prelude::*;
-use wasm_bindgen_futures::future_to_promise;
-use wasm_utils::{check_promise_result, console_log, PromisableResult};
-
-mod ephemeral_receiver;
-pub(crate) mod helpers;
-
-pub type NodeTestMessage = TestMessage<WasmTestMessageExt>;
-type LockedGatewayClient =
-    Arc<AsyncMutex<GatewayClient<FakeClient<DirectSigningNyxdClient>, EphemeralStorage>>>;
-
-pub(crate) const DEFAULT_TEST_TIMEOUT: Duration = Duration::from_secs(10);
-pub(crate) const DEFAULT_TEST_PACKETS: u32 = 20;
-
-#[wasm_bindgen]
-pub struct NymNodeTester {
-    test_in_progress: Arc<AtomicBool>,
-
-    // we need to increment the nonce between tests to distinguish the packets
-    // but we can't make the tester mutable because of wasm...
-    // so we're using the atomics
-    current_test_nonce: AtomicU32,
-
-    // blame all those mutexes on being unable to have an async method with internal mutability...
-    tester: Arc<SyncMutex<NodeTester<OsRng>>>,
-    gateway_client: LockedGatewayClient,
-
-    // we have to put it behind the lock due to wasm limitations and borrowing...
-    // the mutex acquisition should be instant as there aren't going to be any threads attempting
-    // to get simultaneous access
-    processed_receiver: ReceivedReceiverWrapper,
-
-    // even though we don't use graceful shutdowns, other components rely on existence of this struct
-    // and if it's dropped, everything will start going offline
-    _task_manager: TaskManager,
-}
-
-#[wasm_bindgen]
-pub struct NymNodeTesterBuilder {
-    gateway: Option<IdentityKey>,
-
-    base_topology: NymTopology,
-
-    // unimplemented
-    bandwidth_controller:
-        Option<BandwidthController<FakeClient<DirectSigningNyxdClient>, EphemeralStorage>>,
-}
-
-fn address(keys: &ManagedKeys, gateway_identity: NodeIdentity) -> Recipient {
-    Recipient::new(
-        *keys.identity_public_key(),
-        *keys.encryption_public_key(),
-        gateway_identity,
-    )
-}
-
-#[wasm_bindgen]
-impl NymNodeTesterBuilder {
-    #[wasm_bindgen(constructor)]
-    pub fn new(
-        base_topology: WasmNymTopology,
-        gateway: Option<IdentityKey>,
-    ) -> NymNodeTesterBuilder {
-        NymNodeTesterBuilder {
-            gateway,
-            base_topology: base_topology.into(),
-            bandwidth_controller: None,
-        }
-    }
-
-    async fn _new_with_api(
-        api_url: String,
-        gateway: Option<IdentityKey>,
-    ) -> Result<Self, WasmClientError> {
-        let topology = current_network_topology_async(api_url).await?;
-        Ok(NymNodeTesterBuilder::new(topology, gateway))
-    }
-
-    pub fn new_with_api(gateway: Option<IdentityKey>, api_url: String) -> Promise {
-        future_to_promise(async move {
-            Self::_new_with_api(api_url, gateway)
-                .await
-                .into_promise_result()
-        })
-    }
-
-    async fn gateway_info(
-        &self,
-        client_store: &ClientStorage,
-    ) -> Result<InitialisationDetails, WasmClientError> {
-        if let Ok(loaded) = InitialisationDetails::try_load(client_store, client_store).await {
-            Ok(loaded)
-        } else {
-            setup_from_topology(self.gateway.clone(), &self.base_topology, client_store).await
-        }
-    }
-
-    async fn _setup_client(mut self) -> Result<NymNodeTester, WasmClientError> {
-        let task_manager = TaskManager::default();
-
-        let client_store = ClientStorage::new_async(NODE_TESTER_ID, None).await?;
-
-        let init_details = self.gateway_info(&client_store).await?;
-        let gateway_endpoint = init_details.gateway_details;
-        let gateway_identity = gateway_endpoint.try_get_gateway_identity_key()?;
-        let managed_keys = init_details.managed_keys;
-
-        let (mixnet_message_sender, mixnet_message_receiver) = mpsc::unbounded();
-        let (ack_sender, ack_receiver) = mpsc::unbounded();
-
-        let mut gateway_client = GatewayClient::new(
-            gateway_endpoint.gateway_listener,
-            managed_keys.identity_keypair(),
-            gateway_identity,
-            Some(managed_keys.must_get_gateway_shared_key()),
-            mixnet_message_sender,
-            ack_sender,
-            Duration::from_secs(10),
-            self.bandwidth_controller.take(),
-            task_manager.subscribe(),
-        );
-
-        gateway_client.set_disabled_credentials_mode(true);
-        gateway_client.authenticate_and_start().await?;
-
-        // TODO: make those values configurable later
-        let tester = NodeTester::new(
-            OsRng,
-            self.base_topology,
-            Some(address(&managed_keys, gateway_identity)),
-            PacketSize::default(),
-            Duration::from_millis(5),
-            Duration::from_millis(5),
-            managed_keys.ack_key(),
-        );
-
-        let (processed_sender, processed_receiver) = mpsc::unbounded();
-
-        let mut receiver = SimpleMessageReceiver::new_sphinx_receiver(
-            managed_keys.encryption_keypair(),
-            managed_keys.ack_key(),
-            mixnet_message_receiver,
-            ack_receiver,
-            processed_sender,
-            task_manager.subscribe(),
-        );
-
-        nym_task::spawn(async move { receiver.run().await });
-
-        Ok(NymNodeTester {
-            test_in_progress: Arc::new(AtomicBool::new(false)),
-            current_test_nonce: Default::default(),
-            tester: Arc::new(SyncMutex::new(tester)),
-            gateway_client: Arc::new(AsyncMutex::new(gateway_client)),
-            processed_receiver: ReceivedReceiverWrapper::new(processed_receiver),
-            _task_manager: task_manager,
-        })
-    }
-
-    pub fn setup_client(self) -> Promise {
-        future_to_promise(async move { self._setup_client().await.into_promise_result() })
-    }
-}
-
-async fn test_mixnode(
-    test_packets: Vec<PreparedFragment>,
-    gateway_client: LockedGatewayClient,
-    processed_receiver: ReceivedReceiverWrapper,
-    _test_marker: TestMarker,
-    timeout: Duration,
-) -> Result<NodeTestResult, WasmClientError> {
-    let num_test_packets = test_packets.len() as u32;
-
-    let expected_ack_ids = test_packets
-        .iter()
-        .map(|p| p.fragment_identifier)
-        .collect::<HashSet<_>>();
-
-    let mix_packets = test_packets.into_iter().map(|p| p.mix_packet).collect();
-
-    // start by clearing any messages that might have been received between tests
-    processed_receiver.clear_received_channel().await;
-
-    // locking the gateway client so that we could get mutable access to data without having to declare
-    // self mutable
-    let mut gateway_permit = gateway_client.lock().await;
-    gateway_permit.batch_send_mix_packets(mix_packets).await?;
-
-    let receiver_permit = processed_receiver.lock().await;
-    let result =
-        EphemeralTestReceiver::new(num_test_packets, expected_ack_ids, receiver_permit, timeout)
-            .perform_test()
-            .await;
-
-    Ok(result)
-}
-
-#[wasm_bindgen]
-impl NymNodeTester {
-    #[wasm_bindgen(constructor)]
-    #[allow(clippy::new_ret_no_self)]
-    pub fn new(topology: WasmNymTopology, gateway: Option<IdentityKey>) -> Promise {
-        console_log!("constructing node tester!");
-        NymNodeTesterBuilder::new(topology, gateway).setup_client()
-    }
-
-    async fn _new_with_api(
-        api_url: String,
-        gateway: Option<IdentityKey>,
-    ) -> Result<Self, WasmClientError> {
-        NymNodeTesterBuilder::_new_with_api(api_url, gateway)
-            .await?
-            ._setup_client()
-            .await
-    }
-
-    pub fn new_with_api(api_url: String, gateway: Option<IdentityKey>) -> Promise {
-        future_to_promise(async move {
-            Self::_new_with_api(api_url, gateway)
-                .await
-                .into_promise_result()
-        })
-    }
-
-    fn prepare_test_packets(
-        &self,
-        mixnode_identity: String,
-        test_nonce: u32,
-        num_test_packets: u32,
-    ) -> Result<Vec<PreparedFragment>, WasmClientError> {
-        let test_ext = WasmTestMessageExt::new(test_nonce);
-        let mut tester_permit = self.tester.lock().expect("mutex got poisoned");
-        tester_permit
-            .existing_identity_mixnode_test_packets(
-                mixnode_identity,
-                test_ext,
-                num_test_packets,
-                None,
-            )
-            .map_err(Into::into)
-    }
-
-    pub fn test_node(
-        &self,
-        mixnode_identity: String,
-        timeout_millis: Option<u64>,
-        num_test_packets: Option<u32>,
-    ) -> Promise {
-        // establish test parameters
-        let timeout = timeout_millis
-            .map(Duration::from_millis)
-            .unwrap_or(DEFAULT_TEST_TIMEOUT);
-        let num_test_packets = num_test_packets.unwrap_or(DEFAULT_TEST_PACKETS);
-
-        // mark start of the test
-        if self.test_in_progress.swap(true, Ordering::SeqCst) {
-            return WasmClientError::TestInProgress.into_rejected_promise();
-        }
-
-        // prepare test packets
-        // (I simultaneously feel both disgusted and amazed by this workaround)
-        let test_nonce = self.current_test_nonce.fetch_add(1, Ordering::Relaxed);
-        let test_packets = check_promise_result!(self.prepare_test_packets(
-            mixnode_identity,
-            test_nonce,
-            num_test_packets
-        ));
-
-        let processed_receiver_clone = self.processed_receiver.clone();
-        let gateway_client_clone = Arc::clone(&self.gateway_client);
-        let tester_marker = TestMarker::new(Arc::clone(&self.test_in_progress));
-
-        // start doing async things (send packets and watch for anything coming back)
-        future_to_promise(async move {
-            test_mixnode(
-                test_packets,
-                gateway_client_clone,
-                processed_receiver_clone,
-                tester_marker,
-                timeout,
-            )
-            .await
-            .into_promise_result()
-        })
-    }
-}
@@ -1,267 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use nym_client_core::config::GatewayEndpointConfig;
-use nym_crypto::asymmetric::{encryption, identity};
-use nym_topology::gateway::GatewayConversionError;
-use nym_topology::mix::{Layer, MixnodeConversionError};
-use nym_topology::{gateway, mix, MixLayer, NymTopology};
-use nym_validator_client::client::{IdentityKeyRef, MixId};
-use serde::{Deserialize, Serialize};
-use std::collections::BTreeMap;
-use thiserror::Error;
-use wasm_bindgen::prelude::wasm_bindgen;
-use wasm_bindgen::JsValue;
-use wasm_utils::{console_log, simple_js_error};
-
-#[derive(Debug, Error)]
-pub enum WasmTopologyError {
-    #[error("got invalid mix layer {value}. Expected 1, 2 or 3.")]
-    InvalidMixLayer { value: u8 },
-
-    #[error(transparent)]
-    GatewayConversion(#[from] GatewayConversionError),
-
-    #[error(transparent)]
-    MixnodeConversion(#[from] MixnodeConversionError),
-
-    #[error("The provided mixnode map was malformed: {source}")]
-    MalformedMixnodeMap { source: serde_wasm_bindgen::Error },
-
-    #[error("The provided gateway list was malformed: {source}")]
-    MalformedGatewayList { source: serde_wasm_bindgen::Error },
-}
-
-impl From<WasmTopologyError> for JsValue {
-    fn from(value: WasmTopologyError) -> Self {
-        simple_js_error(value.to_string())
-    }
-}
-
-#[wasm_bindgen]
-#[derive(Debug)]
-pub struct WasmNymTopology {
-    inner: NymTopology,
-}
-
-#[wasm_bindgen]
-impl WasmNymTopology {
-    #[wasm_bindgen(constructor)]
-    pub fn new(
-        // expected: BTreeMap<MixLayer, Vec<WasmMixNode>>,
-        // HashMap<MixLayer, Vec<WasmMixNode>> will also work because it has the same json representation
-        mixnodes: JsValue,
-        // expected: Vec<WasmGateway>
-        gateways: JsValue,
-    ) -> Result<WasmNymTopology, WasmTopologyError> {
-        let mixnodes: BTreeMap<MixLayer, Vec<WasmMixNode>> =
-            serde_wasm_bindgen::from_value(mixnodes)
-                .map_err(|source| WasmTopologyError::MalformedMixnodeMap { source })?;
-
-        let gateways: Vec<WasmGateway> = serde_wasm_bindgen::from_value(gateways)
-            .map_err(|source| WasmTopologyError::MalformedGatewayList { source })?;
-
-        let mut converted_mixes = BTreeMap::new();
-
-        for (layer, nodes) in mixnodes {
-            let layer_nodes = nodes
-                .into_iter()
-                .map(TryInto::try_into)
-                .collect::<Result<_, _>>()?;
-
-            converted_mixes.insert(layer, layer_nodes);
-        }
-
-        let gateways = gateways
-            .into_iter()
-            .map(TryInto::try_into)
-            .collect::<Result<_, _>>()?;
-
-        Ok(WasmNymTopology {
-            inner: NymTopology::new(converted_mixes, gateways),
-        })
-    }
-
-    #[allow(dead_code)]
-    pub(crate) fn ensure_contains(&self, gateway_config: &GatewayEndpointConfig) -> bool {
-        self.ensure_contains_gateway_id(&gateway_config.gateway_id)
-    }
-
-    pub(crate) fn ensure_contains_gateway_id(&self, gateway_id: IdentityKeyRef) -> bool {
-        self.inner
-            .gateways()
-            .iter()
-            .any(|g| g.identity_key.to_base58_string() == gateway_id)
-    }
-
-    pub fn print(&self) {
-        if !self.inner.mixes().is_empty() {
-            console_log!("mixnodes:");
-            for (layer, nodes) in self.inner.mixes() {
-                console_log!("\tlayer {layer}:");
-                for node in nodes {
-                    console_log!("\t\t{} - {}", node.mix_id, node.identity_key)
-                }
-            }
-        } else {
-            console_log!("NO MIXNODES")
-        }
-
-        if !self.inner.gateways().is_empty() {
-            console_log!("gateways:");
-            for gateway in self.inner.gateways() {
-                console_log!("\t{}", gateway.identity_key)
-            }
-        } else {
-            console_log!("NO GATEWAYS")
-        }
-    }
-}
-
-impl From<WasmNymTopology> for NymTopology {
-    fn from(value: WasmNymTopology) -> Self {
-        value.inner
-    }
-}
-
-impl From<NymTopology> for WasmNymTopology {
-    fn from(value: NymTopology) -> Self {
-        WasmNymTopology { inner: value }
-    }
-}
-
-#[wasm_bindgen]
-#[derive(Serialize, Deserialize, Debug, Clone)]
-pub struct WasmMixNode {
-    pub mix_id: MixId,
-    #[wasm_bindgen(getter_with_clone)]
-    pub owner: String,
-    #[wasm_bindgen(getter_with_clone)]
-    pub host: String,
-    pub mix_port: u16,
-    #[wasm_bindgen(getter_with_clone)]
-    pub identity_key: String,
-    #[wasm_bindgen(getter_with_clone)]
-    pub sphinx_key: String,
-    pub layer: MixLayer,
-    #[wasm_bindgen(getter_with_clone)]
-    pub version: String,
-}
-
-#[wasm_bindgen]
-impl WasmMixNode {
-    #[wasm_bindgen(constructor)]
-    #[allow(clippy::too_many_arguments)]
-    pub fn new(
-        mix_id: MixId,
-        owner: String,
-        host: String,
-        mix_port: u16,
-        identity_key: String,
-        sphinx_key: String,
-        layer: MixLayer,
-        version: String,
-    ) -> Self {
-        Self {
-            mix_id,
-            owner,
-            host,
-            mix_port,
-            identity_key,
-            sphinx_key,
-            layer,
-            version,
-        }
-    }
-}
-
-impl TryFrom<WasmMixNode> for mix::Node {
-    type Error = WasmTopologyError;
-
-    fn try_from(value: WasmMixNode) -> Result<Self, Self::Error> {
-        let host = mix::Node::parse_host(&value.host)?;
-
-        // try to completely resolve the host in the mix situation to avoid doing it every
-        // single time we want to construct a path
-        let mix_host = mix::Node::extract_mix_host(&host, value.mix_port)?;
-
-        Ok(mix::Node {
-            mix_id: value.mix_id,
-            owner: value.owner,
-            host,
-            mix_host,
-            identity_key: identity::PublicKey::from_base58_string(&value.identity_key)
-                .map_err(MixnodeConversionError::from)?,
-            sphinx_key: encryption::PublicKey::from_base58_string(&value.sphinx_key)
-                .map_err(MixnodeConversionError::from)?,
-            layer: Layer::try_from(value.layer)
-                .map_err(|_| WasmTopologyError::InvalidMixLayer { value: value.layer })?,
-            version: value.version,
-        })
-    }
-}
-
-#[wasm_bindgen]
-#[derive(Serialize, Deserialize, Debug, Clone)]
-pub struct WasmGateway {
-    #[wasm_bindgen(getter_with_clone)]
-    pub owner: String,
-    #[wasm_bindgen(getter_with_clone)]
-    pub host: String,
-    pub mix_port: u16,
-    pub clients_port: u16,
-    #[wasm_bindgen(getter_with_clone)]
-    pub identity_key: String,
-    #[wasm_bindgen(getter_with_clone)]
-    pub sphinx_key: String,
-    #[wasm_bindgen(getter_with_clone)]
-    pub version: String,
-}
-
-#[wasm_bindgen]
-impl WasmGateway {
-    #[wasm_bindgen(constructor)]
-    pub fn new(
-        owner: String,
-        host: String,
-        mix_port: u16,
-        clients_port: u16,
-        identity_key: String,
-        sphinx_key: String,
-        version: String,
-    ) -> Self {
-        Self {
-            owner,
-            host,
-            mix_port,
-            clients_port,
-            identity_key,
-            sphinx_key,
-            version,
-        }
-    }
-}
-
-impl TryFrom<WasmGateway> for gateway::Node {
-    type Error = WasmTopologyError;
-
-    fn try_from(value: WasmGateway) -> Result<Self, Self::Error> {
-        let host = gateway::Node::parse_host(&value.host)?;
-
-        // try to completely resolve the host in the mix situation to avoid doing it every
-        // single time we want to construct a path
-        let mix_host = gateway::Node::extract_mix_host(&host, value.mix_port)?;
-
-        Ok(gateway::Node {
-            owner: value.owner,
-            host,
-            mix_host,
-            clients_port: value.clients_port,
-            identity_key: identity::PublicKey::from_base58_string(&value.identity_key)
-                .map_err(GatewayConversionError::from)?,
-            sphinx_key: encryption::PublicKey::from_base58_string(&value.sphinx_key)
-                .map_err(GatewayConversionError::from)?,
-            version: value.version,
-        })
-    }
-}
@@ -130,7 +130,7 @@ impl AsyncFileWatcher {
                Ok(event) => {
                    let now = Instant::now();
                    if self.should_propagate(&event, now) {
-                        self.last_received.insert(event.kind, now);
+                        self.last_received.insert(event.kind.clone(), now);
                        if let Err(_err) = self.event_sender.unbounded_send(event) {
                            log::error!("the file watcher receiver has been dropped!");
                        }
@@ -55,16 +55,11 @@ where
    Ok(state)
 }

-pub async fn get_credential<C, St>(
+pub async fn get_credential<C: DkgQueryClient + Send + Sync, St: Storage>(
    state: &State,
    client: &C,
    storage: &St,
-) -> Result<(), BandwidthControllerError>
-where
-    C: DkgQueryClient + Send + Sync,
-    St: Storage,
-    <St as Storage>::StorageError: Send + Sync + 'static,
-{
+) -> Result<(), BandwidthControllerError> {
    let epoch_id = client.get_current_epoch().await?.epoch_id;
    let threshold = client
        .get_current_epoch_threshold()
@@ -88,6 +83,7 @@ where
            signature.to_bs58(),
            epoch_id.to_string(),
        )
-        .await
-        .map_err(|err| BandwidthControllerError::CredentialStorageError(Box::new(err)))
+        .await?;
+
+    Ok(())
 }
@@ -16,11 +16,7 @@ pub enum BandwidthControllerError {
    Nyxd(#[from] nym_validator_client::nyxd::error::NyxdError),

    #[error("There was a credential storage error - {0}")]
-    CredentialStorageError(Box<dyn std::error::Error + Send + Sync>),
-
-    // this should really be fully incorporated into the above, but messing with coconut is the last thing I want to do now
-    #[error(transparent)]
-    StorageError(#[from] StorageError),
+    CredentialStorageError(#[from] StorageError),

    #[error("Coconut error - {0}")]
    CoconutError(#[from] CoconutError),
@@ -26,7 +26,7 @@ pub mod error;
 #[cfg(target_arch = "wasm32")]
 pub mod wasm_mockups;

-pub struct BandwidthController<C, St> {
+pub struct BandwidthController<C, St: Storage> {
    storage: St,
    client: C,
 }
@@ -45,13 +45,8 @@ impl<C, St: Storage> BandwidthController<C, St> {
    ) -> Result<(nym_coconut_interface::Credential, i64), BandwidthControllerError>
    where
        C: DkgQueryClient + Sync + Send,
-        <St as Storage>::StorageError: Send + Sync + 'static,
    {
-        let bandwidth_credential = self
-            .storage
-            .get_next_coconut_credential()
-            .await
-            .map_err(|err| BandwidthControllerError::CredentialStorageError(Box::new(err)))?;
+        let bandwidth_credential = self.storage.get_next_coconut_credential().await?;
        let voucher_value = u64::from_str(&bandwidth_credential.voucher_value)
            .map_err(|_| StorageError::InconsistentData)?;
        let voucher_info = bandwidth_credential.voucher_info.clone();
@@ -87,16 +82,10 @@ impl<C, St: Storage> BandwidthController<C, St> {
        ))
    }

-    pub async fn consume_credential(&self, id: i64) -> Result<(), BandwidthControllerError>
-    where
-        <St as Storage>::StorageError: Send + Sync + 'static,
-    {
+    pub async fn consume_credential(&self, id: i64) -> Result<(), BandwidthControllerError> {
        // JS: shouldn't we send some contract/validator/gateway message here to actually, you know,
        // consume it?
-        self.storage
-            .consume_coconut_credential(id)
-            .await
-            .map_err(|err| BandwidthControllerError::CredentialStorageError(Box::new(err)))
+        Ok(self.storage.consume_coconut_credential(id).await?)
    }
 }

@@ -1,6 +1,6 @@
 [package]
 name = "nym-bin-common"
-version = "0.6.0"
+version = "0.5.0"
 description = "Common code for nym binaries"
 edition = { workspace = true }
 authors = { workspace = true }
@@ -15,21 +15,15 @@ clap_complete_fig = "4.0"
 log = { workspace = true }
 pretty_env_logger = "0.4.0"
 semver = "0.11"
-serde = { workspace = true, features = ["derive"] }
+serde = { workspace = true, features = ["derive"], optional = true }
 serde_json = { workspace = true, optional = true }

 ## tracing
+tracing-appender = { version = "0.2.2", optional = true }
 tracing-subscriber = { version = "0.3.16", features = [
    "env-filter",
 ], optional = true }
 tracing-tree = { version = "0.2.2", optional = true }
-opentelemetry-jaeger = { version = "0.18.0", optional = true, features = [
-    "rt-tokio",
-    "collector_client",
-    "isahc_collector_client",
-] }
-tracing-opentelemetry = { version = "0.19.0", optional = true }
-opentelemetry = { version = "0.19.0", optional = true, features = ["rt-tokio"] }


 [build-dependencies]
@@ -42,11 +36,5 @@ vergen = { version = "=7.4.3", default-features = false, features = [

 [features]
 default = []
-output_format = ["serde_json"]
-tracing = [
-    "tracing-subscriber",
-    "tracing-tree",
-    "opentelemetry-jaeger",
-    "tracing-opentelemetry",
-    "opentelemetry",
-]
+output_format = ["serde", "serde_json"]
+tracing = ["tracing-appender", "tracing-subscriber", "tracing-tree"]
@@ -4,8 +4,6 @@
 // TODO: at a later date this crate should probably also expose `ContractBuildInformation`
 // and be used by our smart contracts

-use serde::{Deserialize, Serialize};
-
 #[derive(Debug)]
 pub struct BinaryBuildInformation {
    // VERGEN_BUILD_TIMESTAMP
@@ -101,7 +99,8 @@ impl BinaryBuildInformation {
    }
 }

-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct BinaryBuildInformationOwned {
    // VERGEN_BUILD_TIMESTAMP
    /// Provides the build timestamp, for example `2021-02-23T20:14:46.558472672+00:00`.
@@ -4,7 +4,5 @@
 pub mod build_information;
 pub mod completions;
 pub mod logging;
-pub mod version_checker;
-
-#[cfg(feature = "output_format")]
 pub mod output_format;
+pub mod version_checker;
@@ -1,25 +1,17 @@
-// Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0
-
-use serde::{Deserialize, Serialize};
+// use tracing_subscriber::{
+//     fmt::Layer, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter, Registry,
+// };
+// use tracing_tree::HierarchicalLayer;

 #[cfg(feature = "tracing")]
-pub use opentelemetry;
-#[cfg(feature = "tracing")]
-pub use opentelemetry_jaeger;
-#[cfg(feature = "tracing")]
-pub use tracing_opentelemetry;
+pub use tracing_appender;
 #[cfg(feature = "tracing")]
 pub use tracing_subscriber;
 #[cfg(feature = "tracing")]
 pub use tracing_tree;

-#[derive(Debug, Default, Clone, Deserialize, PartialEq, Eq, Serialize)]
-#[serde(deny_unknown_fields)]
-pub struct LoggingSettings {
-    // well, we need to implement something here at some point...
-}
-
 // I'd argue we should start transitioning from `log` to `tracing`
 pub fn setup_logging() {
    let mut log_builder = pretty_env_logger::formatted_timed_builder();
@@ -40,8 +32,6 @@ pub fn setup_logging() {
        .filter_module("tokio_tungstenite", log::LevelFilter::Warn)
        .filter_module("handlebars", log::LevelFilter::Warn)
        .filter_module("sled", log::LevelFilter::Warn)
-        .filter_module("quinn", log::LevelFilter::Warn)
-        .filter_module("rustls", log::LevelFilter::Warn)
        .init();
 }

@@ -49,35 +39,27 @@ pub fn setup_logging() {
 #[cfg(feature = "tracing")]
 #[macro_export]
 macro_rules! setup_tracing {
-    ($service_name: expr) => {
+    ($file_name: expr) => {
        use nym_bin_common::logging::tracing_subscriber::layer::SubscriberExt;
        use nym_bin_common::logging::tracing_subscriber::util::SubscriberInitExt;

-        let registry = nym_bin_common::logging::tracing_subscriber::Registry::default()
+        let file_appender =
+            nym_bin_common::logging::tracing_appender::rolling::hourly($file_name, "log");
+        let (non_blocking, _guard) =
+            nym_bin_common::logging::tracing_appender::non_blocking(file_appender);
+        let appender_layer = nym_bin_common::logging::tracing_subscriber::fmt::Layer::new()
+            .with_ansi(false)
+            .with_writer(non_blocking);
+
+        nym_bin_common::logging::tracing_subscriber::Registry::default()
            .with(nym_bin_common::logging::tracing_subscriber::EnvFilter::from_default_env())
+            .with(appender_layer)
            .with(
                nym_bin_common::logging::tracing_tree::HierarchicalLayer::new(4)
                    .with_targets(true)
                    .with_bracketed_fields(true),
-            );
-
-        let tracer = nym_bin_common::logging::opentelemetry_jaeger::new_collector_pipeline()
-            .with_endpoint("http://44.199.230.10:14268/api/traces")
-            .with_service_name($service_name)
-            .with_isahc()
-            .with_trace_config(
-                nym_bin_common::logging::opentelemetry::sdk::trace::config().with_sampler(
-                    nym_bin_common::logging::opentelemetry::sdk::trace::Sampler::TraceIdRatioBased(
-                        0.1,
-                    ),
-                ),
            )
-            .install_batch(nym_bin_common::logging::opentelemetry::runtime::Tokio)
-            .expect("Could not init tracer");
-
-        let telemetry = nym_bin_common::logging::tracing_opentelemetry::layer().with_tracer(tracer);
-
-        registry.with(telemetry).init();
+            .init();
    };
 }

@@ -1,6 +1,6 @@
 [package]
 name = "nym-client-core"
-version = "1.1.15"
+version = "1.1.14"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>"]
 edition = "2021"
 rust-version = "1.66"
@@ -9,7 +9,6 @@ rust-version = "1.66"

 [dependencies]
 async-trait = { workspace = true }
-base64 = "0.21.2"
 dirs = "4.0"
 dashmap = "5.4.0"
 futures = "0.3"
@@ -18,14 +17,12 @@ log = { workspace = true }
 rand = { version = "0.7.3", features = ["wasm-bindgen"] }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
-sha2 = "0.10.6"
 tap = "1.0.1"
 thiserror = "1.0.34"
 url = { version ="2.2", features = ["serde"] }
 tungstenite = { version = "0.13.0", default-features = false }
 tokio = { version = "1.24.1", features = ["macros"]}
 time = "0.3.17"
-zeroize = { workspace = true }

 # internal
 nym-bandwidth-controller = { path = "../bandwidth-controller" }
@@ -41,7 +38,6 @@ nym-topology = { path = "../topology" }
 nym-validator-client = { path = "../client-libs/validator-client", default-features = false }
 nym-task = { path = "../task" }
 nym-credential-storage = { path = "../credential-storage" }
-nym-network-defaults = { path = "../network-defaults" }

 [target."cfg(not(target_arch = \"wasm32\"))".dependencies.nym-validator-client]
 path = "../client-libs/validator-client"
@@ -1,6 +1,6 @@
 // Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0
-
+//
 use crate::{client::replies::reply_storage, config::DebugConfig};

 pub fn setup_empty_reply_surb_backend(debug_config: &DebugConfig) -> reply_storage::Empty {
@@ -2,11 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0

 use super::received_buffer::ReceivedBufferMessage;
-use crate::client::base_client::storage::MixnetClientStorage;
 use crate::client::cover_traffic_stream::LoopCoverTrafficStream;
 use crate::client::inbound_messages::{InputMessage, InputMessageReceiver, InputMessageSender};
-use crate::client::key_manager::persistence::KeyStore;
-use crate::client::key_manager::ManagedKeys;
+use crate::client::key_manager::KeyManager;
 use crate::client::mix_traffic::{BatchMixMessageSender, MixTrafficController};
 use crate::client::real_messages_control;
 use crate::client::real_messages_control::RealMessagesController;
@@ -24,11 +22,10 @@ use crate::client::topology_control::{
 };
 use crate::config::{Config, DebugConfig, GatewayEndpointConfig};
 use crate::error::ClientCoreError;
-use crate::{config, spawn_future};
+use crate::spawn_future;
 use futures::channel::mpsc;
 use log::{debug, info};
 use nym_bandwidth_controller::BandwidthController;
-use nym_credential_storage::storage::Storage as CredentialStorage;
 use nym_crypto::asymmetric::{encryption, identity};
 use nym_gateway_client::{
    AcknowledgementReceiver, AcknowledgementSender, GatewayClient, MixnetMessageReceiver,
@@ -37,28 +34,26 @@ use nym_gateway_client::{
 use nym_sphinx::acknowledgements::AckKey;
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::addressing::nodes::NodeIdentity;
-use nym_sphinx::params::PacketType;
 use nym_sphinx::receiver::{ReconstructedMessage, SphinxMessageReceiver};
 use nym_task::connections::{ConnectionCommandReceiver, ConnectionCommandSender, LaneQueueLengths};
 use nym_task::{TaskClient, TaskManager};
 use nym_topology::provider_trait::TopologyProvider;
 use std::sync::Arc;
+use std::time::Duration;
 use tap::TapFallible;
 use url::Url;

-#[cfg(target_arch = "wasm32")]
-use nym_bandwidth_controller::wasm_mockups::DkgQueryClient;
-
-use crate::client::base_client::storage::gateway_details::GatewayDetailsStore;
-use crate::init::{setup_gateway, GatewaySetup, InitialisationDetails};
+use nym_credential_storage::storage::Storage;
 #[cfg(not(target_arch = "wasm32"))]
 use nym_validator_client::nyxd::traits::DkgQueryClient;

+#[cfg(target_arch = "wasm32")]
+use nym_bandwidth_controller::wasm_mockups::DkgQueryClient;
+
 #[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
 pub mod non_wasm_helpers;

 pub mod helpers;
-pub mod storage;

 #[derive(Clone)]
 pub struct ClientInput {
@@ -157,58 +152,76 @@ impl From<bool> for CredentialsToggle {
    }
 }

-pub struct BaseClientBuilder<'a, C, S: MixnetClientStorage> {
-    config: &'a Config,
-    client_store: S,
-    dkg_query_client: Option<C>,
-    custom_topology_provider: Option<Box<dyn TopologyProvider + Send + Sync>>,
-    setup_method: GatewaySetup,
+pub struct BaseClientBuilder<'a, B, C, St: Storage> {
+    // due to wasm limitations I had to split it like this : (
+    gateway_config: &'a GatewayEndpointConfig,
+    debug_config: &'a DebugConfig,
+    disabled_credentials: bool,
+    nym_api_endpoints: Vec<Url>,
+    reply_storage_backend: B,
+
+    custom_topology_provider: Option<Box<dyn TopologyProvider>>,
+    bandwidth_controller: Option<BandwidthController<C, St>>,
+    key_manager: KeyManager,
 }

-impl<'a, C, S> BaseClientBuilder<'a, C, S>
+impl<'a, B, C, St> BaseClientBuilder<'a, B, C, St>
 where
-    S: MixnetClientStorage + 'static,
-    C: DkgQueryClient + Send + Sync + 'static,
+    B: ReplyStorageBackend + Send + Sync + 'static,
+    C: DkgQueryClient + Sync + Send + 'static,
+    St: Storage + 'static,
 {
-    pub fn new(
-        base_config: &'a Config,
-        client_store: S,
-        dkg_query_client: Option<C>,
-    ) -> BaseClientBuilder<'a, C, S> {
+    pub fn new_from_base_config<T>(
+        base_config: &'a Config<T>,
+        key_manager: KeyManager,
+        bandwidth_controller: Option<BandwidthController<C, St>>,
+        reply_storage_backend: B,
+    ) -> BaseClientBuilder<'a, B, C, St> {
        BaseClientBuilder {
-            config: base_config,
-            client_store,
-            dkg_query_client,
+            gateway_config: base_config.get_gateway_endpoint_config(),
+            debug_config: base_config.get_debug_config(),
+            disabled_credentials: base_config.get_disabled_credentials_mode(),
+            nym_api_endpoints: base_config.get_nym_api_endpoints(),
+            bandwidth_controller,
+            reply_storage_backend,
+            key_manager,
            custom_topology_provider: None,
-            setup_method: GatewaySetup::MustLoad,
        }
    }

-    pub fn with_gateway_setup(mut self, setup: GatewaySetup) -> Self {
-        self.setup_method = setup;
-        self
+    pub fn new(
+        gateway_config: &'a GatewayEndpointConfig,
+        debug_config: &'a DebugConfig,
+        key_manager: KeyManager,
+        bandwidth_controller: Option<BandwidthController<C, St>>,
+        reply_storage_backend: B,
+        credentials_toggle: CredentialsToggle,
+        nym_api_endpoints: Vec<Url>,
+    ) -> BaseClientBuilder<'a, B, C, St> {
+        BaseClientBuilder {
+            gateway_config,
+            debug_config,
+            disabled_credentials: credentials_toggle.is_disabled(),
+            nym_api_endpoints,
+            reply_storage_backend,
+            custom_topology_provider: None,
+            bandwidth_controller,
+            key_manager,
+        }
    }

-    pub fn with_topology_provider(
-        mut self,
-        provider: Box<dyn TopologyProvider + Send + Sync>,
-    ) -> Self {
+    pub fn with_topology_provider(mut self, provider: Box<dyn TopologyProvider>) -> Self {
        self.custom_topology_provider = Some(provider);
        self
    }

-    // note: do **NOT** make this method public as its only valid usage is from within `start_base`
-    // because it relies on the crypto keys being already loaded
-    fn mix_address(
-        managed_keys: &ManagedKeys,
-        gateway_config: &GatewayEndpointConfig,
-    ) -> Recipient {
+    pub fn as_mix_recipient(&self) -> Recipient {
        Recipient::new(
-            *managed_keys.identity_public_key(),
-            *managed_keys.encryption_public_key(),
+            *self.key_manager.identity_keypair().public_key(),
+            *self.key_manager.encryption_keypair().public_key(),
            // TODO: below only works under assumption that gateway address == gateway id
            // (which currently is true)
-            NodeIdentity::from_base58_string(&gateway_config.gateway_id).unwrap(),
+            NodeIdentity::from_base58_string(&self.gateway_config.gateway_id).unwrap(),
        )
    }

@@ -250,7 +263,6 @@ where
        lane_queue_lengths: LaneQueueLengths,
        client_connection_rx: ConnectionCommandReceiver,
        shutdown: TaskClient,
-        packet_type: PacketType,
    ) {
        info!("Starting real traffic stream...");

@@ -266,7 +278,7 @@ where
            lane_queue_lengths,
            client_connection_rx,
        )
-        .start_with_shutdown(shutdown, packet_type);
+        .start_with_shutdown(shutdown);
    }

    // buffer controlling all messages fetched from provider
@@ -292,55 +304,60 @@ where
    }

    async fn start_gateway_client(
-        config: &Config,
-        gateway_config: GatewayEndpointConfig,
-        managed_keys: &ManagedKeys,
-        bandwidth_controller: Option<BandwidthController<C, S::CredentialStore>>,
+        &mut self,
        mixnet_message_sender: MixnetMessageSender,
        ack_sender: AcknowledgementSender,
        shutdown: TaskClient,
-    ) -> Result<GatewayClient<C, S::CredentialStore>, ClientCoreError>
-    where
-        <S::KeyStore as KeyStore>::StorageError: Send + Sync + 'static,
-        <S::CredentialStore as CredentialStorage>::StorageError: Send + Sync + 'static,
-    {
-        let gateway_address = gateway_config.gateway_listener.clone();
-        let gateway_id = gateway_config.gateway_id;
+    ) -> Result<GatewayClient<C, St>, ClientCoreError> {
+        let gateway_id = self.gateway_config.gateway_id.clone();
+        if gateway_id.is_empty() {
+            return Err(ClientCoreError::GatewayIdUnknown);
+        }
+        let gateway_address = self.gateway_config.gateway_listener.clone();
+        if gateway_address.is_empty() {
+            return Err(ClientCoreError::GatewayAddressUnknown);
+        }

-        // TODO: in theory, at this point, this should be infallible
        let gateway_identity = identity::PublicKey::from_base58_string(gateway_id)
            .map_err(ClientCoreError::UnableToCreatePublicKeyFromGatewayId)?;

+        // disgusting wasm workaround since there's no key persistence there (nor `client init`)
+        let shared_key = if self.key_manager.is_gateway_key_set() {
+            Some(self.key_manager.gateway_shared_key())
+        } else {
+            log::info!("Gateway key not set! Will proceed anyway.");
+            None
+        };
+
        let mut gateway_client = GatewayClient::new(
            gateway_address,
-            managed_keys.identity_keypair(),
+            self.key_manager.identity_keypair(),
            gateway_identity,
-            Some(managed_keys.must_get_gateway_shared_key()),
+            shared_key,
            mixnet_message_sender,
            ack_sender,
-            config.debug.gateway_connection.gateway_response_timeout,
-            bandwidth_controller,
+            self.debug_config
+                .gateway_connection
+                .gateway_response_timeout,
+            self.bandwidth_controller.take(),
            shutdown,
        );

-        gateway_client.set_disabled_credentials_mode(config.client.disabled_credentials_mode);
+        gateway_client.set_disabled_credentials_mode(self.disabled_credentials);

-        let shared_key = gateway_client
+        gateway_client
            .authenticate_and_start()
            .await
            .tap_err(|err| {
                log::error!("Could not authenticate and start up the gateway connection - {err}")
            })?;
-
-        managed_keys.ensure_gateway_key(shared_key);
-
        Ok(gateway_client)
    }

    fn setup_topology_provider(
-        custom_provider: Option<Box<dyn TopologyProvider + Send + Sync>>,
+        custom_provider: Option<Box<dyn TopologyProvider>>,
        nym_api_urls: Vec<Url>,
-    ) -> Box<dyn TopologyProvider + Send + Sync> {
+    ) -> Box<dyn TopologyProvider> {
        // if no custom provider was ... provided ..., create one using nym-api
        custom_provider.unwrap_or_else(|| {
            Box::new(NymApiTopologyProvider::new(
@@ -353,13 +370,12 @@ where
    // future responsible for periodically polling directory server and updating
    // the current global view of topology
    async fn start_topology_refresher(
-        topology_provider: Box<dyn TopologyProvider + Send + Sync>,
-        topology_config: config::Topology,
+        topology_provider: Box<dyn TopologyProvider>,
+        refresh_rate: Duration,
        topology_accessor: TopologyAccessor,
-        mut shutdown: TaskClient,
+        shutdown: TaskClient,
    ) -> Result<(), ClientCoreError> {
-        let topology_refresher_config =
-            TopologyRefresherConfig::new(topology_config.topology_refresh_rate);
+        let topology_refresher_config = TopologyRefresherConfig::new(refresh_rate);

        let mut topology_refresher = TopologyRefresher::new(
            topology_refresher_config,
@@ -379,101 +395,65 @@ where
            return Err(ClientCoreError::InsufficientNetworkTopology(err));
        }

-        if topology_config.disable_refreshing {
-            // if we're not spawning the refresher, don't cause shutdown immediately
-            info!("The topology refesher is not going to be started");
-            shutdown.mark_as_success();
-        } else {
-            // don't spawn the refresher if we don't want to be refreshing the topology.
-            // only use the initial values obtained
-            info!("Starting topology refresher...");
-            topology_refresher.start_with_shutdown(shutdown);
-        }
-
+        info!("Starting topology refresher...");
+        topology_refresher.start_with_shutdown(shutdown);
        Ok(())
    }

-    // controller for sending packets to mixnet (either real traffic or cover traffic)
+    // controller for sending sphinx packets to mixnet (either real traffic or cover traffic)
    // TODO: if we want to send control messages to gateway_client, this CAN'T take the ownership
    // over it. Perhaps GatewayClient needs to be thread-shareable or have some channel for
    // requests?
    fn start_mix_traffic_controller(
-        gateway_client: GatewayClient<C, S::CredentialStore>,
+        gateway_client: GatewayClient<C, St>,
        shutdown: TaskClient,
-    ) -> BatchMixMessageSender
-    where
-        <S::CredentialStore as CredentialStorage>::StorageError: Send + Sync + 'static,
-    {
+    ) -> BatchMixMessageSender {
        info!("Starting mix traffic controller...");
        let (mix_traffic_controller, mix_tx) = MixTrafficController::new(gateway_client);
        mix_traffic_controller.start_with_shutdown(shutdown);
        mix_tx
    }

-    // TODO: rename it as it implies the data is persistent whilst one can use InMemBackend
    async fn setup_persistent_reply_storage(
-        backend: S::ReplyStore,
+        backend: B,
        shutdown: TaskClient,
    ) -> Result<CombinedReplyStorage, ClientCoreError>
    where
-        <S::ReplyStore as ReplyStorageBackend>::StorageError: Sync + Send,
-        S::ReplyStore: Send + Sync,
+        <B as ReplyStorageBackend>::StorageError: Sync + Send,
    {
-        log::trace!("Setup persistent reply storage");
-        let persistent_storage = PersistentReplyStorage::new(backend);
-        let mem_store = persistent_storage
-            .load_state_from_backend()
-            .await
-            .map_err(|err| ClientCoreError::SurbStorageError {
-                source: Box::new(err),
-            })?;
-
-        let store_clone = mem_store.clone();
-        spawn_future(async move {
-            persistent_storage
-                .flush_on_shutdown(store_clone, shutdown)
+        if backend.is_active() {
+            log::trace!("Setup persistent reply storage");
+            let persistent_storage = PersistentReplyStorage::new(backend);
+            let mem_store = persistent_storage
+                .load_state_from_backend()
                .await
-        });
+                .map_err(|err| ClientCoreError::SurbStorageError {
+                    source: Box::new(err),
+                })?;

-        Ok(mem_store)
-    }
+            let store_clone = mem_store.clone();
+            spawn_future(async move {
+                persistent_storage
+                    .flush_on_shutdown(store_clone, shutdown)
+                    .await
+            });

-    async fn initialise_keys_and_gateway(&self) -> Result<InitialisationDetails, ClientCoreError>
-    where
-        <S::KeyStore as KeyStore>::StorageError: Sync + Send,
-        <S::GatewayDetailsStore as GatewayDetailsStore>::StorageError: Sync + Send,
-    {
-        setup_gateway(
-            &self.setup_method,
-            self.client_store.key_store(),
-            self.client_store.gateway_details_store(),
-            false,
-            Some(&self.config.client.nym_api_urls),
-        )
-        .await
+            Ok(mem_store)
+        } else {
+            log::trace!("Setup inactive reply storage");
+            Ok(backend
+                .get_inactive_storage()
+                .map_err(|err| ClientCoreError::SurbStorageError {
+                    source: Box::new(err),
+                })?)
+        }
    }

    pub async fn start_base(mut self) -> Result<BaseClient, ClientCoreError>
    where
-        S::ReplyStore: Send + Sync,
-        <S::KeyStore as KeyStore>::StorageError: Send + Sync,
-        <S::ReplyStore as ReplyStorageBackend>::StorageError: Sync + Send,
-        <S::CredentialStore as CredentialStorage>::StorageError: Send + Sync + 'static,
-        <S::GatewayDetailsStore as GatewayDetailsStore>::StorageError: Sync + Send,
+        <B as ReplyStorageBackend>::StorageError: Sync + Send,
    {
        info!("Starting nym client");
-
-        // derive (or load) client keys and gateway configuration
-        let details = self.initialise_keys_and_gateway().await?;
-        let gateway_config = details.gateway_details;
-        let managed_keys = details.managed_keys;
-
-        let (reply_storage_backend, credential_store) = self.client_store.into_runtime_stores();
-
-        let bandwidth_controller = self
-            .dkg_query_client
-            .map(|client| BandwidthController::new(credential_store, client));
-
        // channels for inter-component communication
        // TODO: make the channels be internally created by the relevant components
        // rather than creating them here, so say for example the buffer controller would create the request channels
@@ -500,39 +480,34 @@ where
        let (reply_controller_sender, reply_controller_receiver) =
            reply_controller::requests::new_control_channels();

-        let self_address = Self::mix_address(&managed_keys, &gateway_config);
+        let self_address = self.as_mix_recipient();

        // the components are started in very specific order. Unless you know what you are doing,
        // do not change that.
-        let gateway_client = Self::start_gateway_client(
-            self.config,
-            gateway_config,
-            &managed_keys,
-            bandwidth_controller,
-            mixnet_messages_sender,
-            ack_sender,
+        let gateway_client = self
+            .start_gateway_client(mixnet_messages_sender, ack_sender, task_manager.subscribe())
+            .await?;
+
+        let reply_storage = Self::setup_persistent_reply_storage(
+            self.reply_storage_backend,
            task_manager.subscribe(),
        )
        .await?;

-        let reply_storage =
-            Self::setup_persistent_reply_storage(reply_storage_backend, task_manager.subscribe())
-                .await?;
-
        let topology_provider = Self::setup_topology_provider(
            self.custom_topology_provider.take(),
-            self.config.get_nym_api_endpoints(),
+            self.nym_api_endpoints,
        );
        Self::start_topology_refresher(
            topology_provider,
-            self.config.debug.topology,
+            self.debug_config.topology.topology_refresh_rate,
            shared_topology_accessor.clone(),
            task_manager.subscribe(),
        )
        .await?;

        Self::start_received_messages_buffer_controller(
-            managed_keys.encryption_keypair(),
+            self.key_manager.encryption_keypair(),
            received_buffer_request_receiver,
            mixnet_messages_receiver,
            reply_storage.key_storage(),
@@ -540,11 +515,11 @@ where
            task_manager.subscribe(),
        );

-        // The message_sender is the transmitter for any component generating sphinx packets
+        // The sphinx_message_sender is the transmitter for any component generating sphinx packets
        // that are to be sent to the mixnet. They are used by cover traffic stream and real
        // traffic stream.
        // The MixTrafficController then sends the actual traffic
-        let message_sender =
+        let sphinx_message_sender =
            Self::start_mix_traffic_controller(gateway_client, task_manager.subscribe());

        // Channels that the websocket listener can use to signal downstream to the real traffic
@@ -556,8 +531,8 @@ where
        let shared_lane_queue_lengths = LaneQueueLengths::new();

        let controller_config = real_messages_control::Config::new(
-            &self.config.debug,
-            managed_keys.ack_key(),
+            self.debug_config,
+            self.key_manager.ack_key(),
            self_address,
        );

@@ -566,28 +541,26 @@ where
            shared_topology_accessor.clone(),
            ack_receiver,
            input_receiver,
-            message_sender.clone(),
+            sphinx_message_sender.clone(),
            reply_storage,
            reply_controller_sender.clone(),
            reply_controller_receiver,
            shared_lane_queue_lengths.clone(),
            client_connection_rx,
            task_manager.subscribe(),
-            self.config.debug.traffic.packet_type,
        );

        if !self
-            .config
-            .debug
+            .debug_config
            .cover_traffic
            .disable_loop_cover_traffic_stream
        {
            Self::start_cover_traffic_stream(
-                &self.config.debug,
-                managed_keys.ack_key(),
+                self.debug_config,
+                self.key_manager.ack_key(),
                self_address,
                shared_topology_accessor.clone(),
-                message_sender,
+                sphinx_message_sender,
                task_manager.subscribe(),
            );
        }
@@ -596,7 +569,6 @@ where
        debug!("The address of this client is: {self_address}");

        Ok(BaseClient {
-            address: self_address,
            client_input: ClientInputStatus::AwaitingProducer {
                client_input: ClientInput {
                    connection_command_sender: client_connection_tx,
@@ -619,7 +591,6 @@ where
 }

 pub struct BaseClient {
-    pub address: Recipient,
    pub client_input: ClientInputStatus,
    pub client_output: ClientOutputStatus,
    pub client_state: ClientState,
@@ -1,25 +1,19 @@
-// Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

 use crate::client::replies::reply_storage::{
    fs_backend, CombinedReplyStorage, ReplyStorageBackend,
 };
-use crate::config;
-use crate::config::Config;
+use crate::config::DebugConfig;
 use crate::error::ClientCoreError;
 use log::{error, info};
-use nym_bandwidth_controller::BandwidthController;
-use nym_credential_storage::storage::Storage as CredentialStorage;
-use nym_validator_client::nyxd::QueryNyxdClient;
-use nym_validator_client::Client;
 use std::path::Path;
 use std::{fs, io};
 use time::OffsetDateTime;
-use url::Url;

 async fn setup_fresh_backend<P: AsRef<Path>>(
    db_path: P,
-    surb_config: &config::ReplySurbs,
+    debug_config: &DebugConfig,
 ) -> Result<fs_backend::Backend, ClientCoreError> {
    info!("creating fresh surb database");
    let mut storage_backend = match fs_backend::Backend::init(db_path).await {
@@ -36,8 +30,12 @@ async fn setup_fresh_backend<P: AsRef<Path>>(
    // it will only be happening on the very first run and in practice won't incur huge
    // costs since the storage is going to be empty
    let mem_store = CombinedReplyStorage::new(
-        surb_config.minimum_reply_surb_storage_threshold,
-        surb_config.maximum_reply_surb_storage_threshold,
+        debug_config
+            .reply_surbs
+            .minimum_reply_surb_storage_threshold,
+        debug_config
+            .reply_surbs
+            .maximum_reply_surb_storage_threshold,
    );
    storage_backend
        .init_fresh(&mem_store)
@@ -49,13 +47,17 @@ async fn setup_fresh_backend<P: AsRef<Path>>(
    Ok(storage_backend)
 }

-// fn setup_inactive_backend(surb_config: &config::ReplySurbs) -> fs_backend::Backend {
-//     info!("creating inactive surb database");
-//     fs_backend::Backend::new_inactive(
-//         surb_config.minimum_reply_surb_storage_threshold,
-//         surb_config.maximum_reply_surb_storage_threshold,
-//     )
-// }
+fn setup_inactive_backend(debug_config: &DebugConfig) -> fs_backend::Backend {
+    info!("creating inactive surb database");
+    fs_backend::Backend::new_inactive(
+        debug_config
+            .reply_surbs
+            .minimum_reply_surb_storage_threshold,
+        debug_config
+            .reply_surbs
+            .maximum_reply_surb_storage_threshold,
+    )
+}

 fn archive_corrupted_database<P: AsRef<Path>>(db_path: P) -> io::Result<()> {
    let db_path = db_path.as_ref();
@@ -79,73 +81,28 @@ fn archive_corrupted_database<P: AsRef<Path>>(db_path: P) -> io::Result<()> {
 }

 pub async fn setup_fs_reply_surb_backend<P: AsRef<Path>>(
-    db_path: P,
-    surb_config: &config::ReplySurbs,
+    db_path: Option<P>,
+    debug_config: &DebugConfig,
 ) -> Result<fs_backend::Backend, ClientCoreError> {
-    // if the database file doesnt exist, initialise fresh storage, otherwise attempt to load
-    // the existing one
-    let db_path = db_path.as_ref();
-    if db_path.exists() {
-        info!("loading existing surb database");
-        match fs_backend::Backend::try_load(db_path).await {
-            Ok(backend) => Ok(backend),
-            Err(err) => {
-                error!("failed to setup persistent storage backend for our reply needs: {err}. We're going to create a fresh database instead. This behaviour might change in the future");
+    if let Some(db_path) = db_path {
+        // if the database file doesnt exist, initialise fresh storage, otherwise attempt to load
+        // the existing one
+        let db_path = db_path.as_ref();
+        if db_path.exists() {
+            info!("loading existing surb database");
+            match fs_backend::Backend::try_load(db_path).await {
+                Ok(backend) => Ok(backend),
+                Err(err) => {
+                    error!("failed to setup persistent storage backend for our reply needs: {err}. We're going to create a fresh database instead. This behaviour might change in the future");

-                archive_corrupted_database(db_path)?;
-                setup_fresh_backend(db_path, surb_config).await
+                    archive_corrupted_database(db_path)?;
+                    setup_fresh_backend(db_path, debug_config).await
+                }
            }
+        } else {
+            setup_fresh_backend(db_path, debug_config).await
        }
    } else {
-        setup_fresh_backend(db_path, surb_config).await
+        Ok(setup_inactive_backend(debug_config))
    }
 }
-
-pub fn create_bandwidth_controller<St: CredentialStorage>(
-    config: &Config,
-    storage: St,
-) -> BandwidthController<Client<QueryNyxdClient>, St> {
-    let nyxd_url = config
-        .get_validator_endpoints()
-        .pop()
-        .expect("No nyxd validator endpoint provided");
-    let api_url = config
-        .get_nym_api_endpoints()
-        .pop()
-        .expect("No validator api endpoint provided");
-
-    create_bandwidth_controller_with_urls(nyxd_url, api_url, storage)
-}
-
-pub fn create_bandwidth_controller_with_urls<St: CredentialStorage>(
-    nyxd_url: Url,
-    nym_api_url: Url,
-    storage: St,
-) -> BandwidthController<Client<QueryNyxdClient>, St> {
-    let client = default_query_dkg_client(nyxd_url, nym_api_url);
-
-    BandwidthController::new(storage, client)
-}
-
-pub fn default_query_dkg_client_from_config(config: &Config) -> Client<QueryNyxdClient> {
-    let nyxd_url = config
-        .get_validator_endpoints()
-        .pop()
-        .expect("No nyxd validator endpoint provided");
-    let api_url = config
-        .get_nym_api_endpoints()
-        .pop()
-        .expect("No validator api endpoint provided");
-
-    default_query_dkg_client(nyxd_url, api_url)
-}
-
-pub fn default_query_dkg_client(nyxd_url: Url, nym_api_url: Url) -> Client<QueryNyxdClient> {
-    let details = nym_network_defaults::NymNetworkDetails::new_from_env();
-    let mut client_config = nym_validator_client::Config::try_from_nym_network_details(&details)
-        .expect("failed to construct validator client config");
-    // overwrite env configuration with config URLs
-    client_config = client_config.with_urls(nyxd_url, nym_api_url);
-    nym_validator_client::Client::new_query(client_config)
-        .expect("Could not construct query client")
-}
@@ -1,201 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::config::GatewayEndpointConfig;
-use async_trait::async_trait;
-use nym_gateway_requests::registration::handshake::SharedKeys;
-use serde::{Deserialize, Serialize};
-use sha2::{Digest, Sha256};
-use std::error::Error;
-use std::ops::Deref;
-use tokio::sync::Mutex;
-use zeroize::Zeroizing;
-
-#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
-#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-pub trait GatewayDetailsStore {
-    type StorageError: Error;
-
-    async fn load_gateway_details(&self) -> Result<PersistedGatewayDetails, Self::StorageError>;
-
-    async fn store_gateway_details(
-        &self,
-        details: &PersistedGatewayDetails,
-    ) -> Result<(), Self::StorageError>;
-}
-
-#[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct PersistedGatewayDetails {
-    // TODO: should we also verify correctness of the details themselves?
-    // i.e. we could include a checksum or tag (via the shared keys)
-    // counterargument: if we wanted to modify, say, the host information in the stored file on disk,
-    // in order to actually use it, we'd have to recompute the whole checksum which would be a huge pain.
-    /// The hash of the shared keys to ensure the correct ones are used with those gateway details.
-    #[serde(with = "base64")]
-    key_hash: Vec<u8>,
-
-    /// Actual gateway details being persisted.
-    pub(crate) details: GatewayEndpointConfig,
-}
-
-impl From<PersistedGatewayDetails> for GatewayEndpointConfig {
-    fn from(value: PersistedGatewayDetails) -> Self {
-        value.details
-    }
-}
-
-impl PersistedGatewayDetails {
-    pub fn new(details: GatewayEndpointConfig, shared_key: &SharedKeys) -> Self {
-        let key_bytes = Zeroizing::new(shared_key.to_bytes());
-
-        let mut key_hasher = Sha256::new();
-        key_hasher.update(&key_bytes);
-        let key_hash = key_hasher.finalize().to_vec();
-
-        PersistedGatewayDetails { key_hash, details }
-    }
-
-    pub fn verify(&self, shared_key: &SharedKeys) -> bool {
-        let key_bytes = Zeroizing::new(shared_key.to_bytes());
-
-        let mut key_hasher = Sha256::new();
-        key_hasher.update(&key_bytes);
-        let key_hash = key_hasher.finalize();
-
-        self.key_hash == key_hash.deref()
-    }
-}
-
-// helper to make Vec<u8> serialization use base64 representation to make it human readable
-// so that it would be easier for users to copy contents from the disk if they wanted to use it elsewhere
-mod base64 {
-    use base64::{engine::general_purpose::STANDARD, Engine as _};
-    use serde::{Deserialize, Deserializer, Serializer};
-
-    pub fn serialize<S: Serializer>(bytes: &[u8], serializer: S) -> Result<S::Ok, S::Error> {
-        serializer.serialize_str(&STANDARD.encode(bytes))
-    }
-
-    pub fn deserialize<'de, D: Deserializer<'de>>(deserializer: D) -> Result<Vec<u8>, D::Error> {
-        let s = <String>::deserialize(deserializer)?;
-        STANDARD.decode(s).map_err(serde::de::Error::custom)
-    }
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-#[derive(Debug, thiserror::Error)]
-pub enum OnDiskGatewayDetailsError {
-    #[error("JSON failure: {0}")]
-    SerializationFailure(#[from] serde_json::Error),
-
-    #[error("failed to store gateway details to {path}: {err}")]
-    StoreFailure {
-        path: String,
-        #[source]
-        err: std::io::Error,
-    },
-
-    #[error("failed to load gateway details from {path}: {err}")]
-    LoadFailure {
-        path: String,
-        #[source]
-        err: std::io::Error,
-    },
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-pub struct OnDiskGatewayDetails {
-    file_location: std::path::PathBuf,
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-impl OnDiskGatewayDetails {
-    pub fn new<P: AsRef<std::path::Path>>(path: P) -> Self {
-        OnDiskGatewayDetails {
-            file_location: path.as_ref().to_owned(),
-        }
-    }
-
-    pub fn load_from_disk(&self) -> Result<PersistedGatewayDetails, OnDiskGatewayDetailsError> {
-        let file = std::fs::File::open(&self.file_location).map_err(|err| {
-            OnDiskGatewayDetailsError::LoadFailure {
-                path: self.file_location.display().to_string(),
-                err,
-            }
-        })?;
-
-        Ok(serde_json::from_reader(file)?)
-    }
-
-    pub fn store_to_disk(
-        &self,
-        details: &PersistedGatewayDetails,
-    ) -> Result<(), OnDiskGatewayDetailsError> {
-        // ensure the whole directory structure exists
-        if let Some(parent_dir) = &self.file_location.parent() {
-            std::fs::create_dir_all(parent_dir).map_err(|err| {
-                OnDiskGatewayDetailsError::StoreFailure {
-                    path: self.file_location.display().to_string(),
-                    err,
-                }
-            })?
-        }
-
-        let file = std::fs::File::create(&self.file_location).map_err(|err| {
-            OnDiskGatewayDetailsError::StoreFailure {
-                path: self.file_location.display().to_string(),
-                err,
-            }
-        })?;
-
-        Ok(serde_json::to_writer_pretty(file, details)?)
-    }
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-impl GatewayDetailsStore for OnDiskGatewayDetails {
-    type StorageError = OnDiskGatewayDetailsError;
-
-    async fn load_gateway_details(&self) -> Result<PersistedGatewayDetails, Self::StorageError> {
-        self.load_from_disk()
-    }
-
-    async fn store_gateway_details(
-        &self,
-        gateway_details: &PersistedGatewayDetails,
-    ) -> Result<(), Self::StorageError> {
-        self.store_to_disk(gateway_details)
-    }
-}
-
-#[derive(Default)]
-pub struct InMemGatewayDetails {
-    details: Mutex<Option<PersistedGatewayDetails>>,
-}
-
-#[derive(Debug, thiserror::Error)]
-#[error("old ephemeral gateway details can't be loaded from storage")]
-pub struct EphemeralGatewayDetailsError;
-
-#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
-#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-impl GatewayDetailsStore for InMemGatewayDetails {
-    type StorageError = EphemeralGatewayDetailsError;
-
-    async fn load_gateway_details(&self) -> Result<PersistedGatewayDetails, Self::StorageError> {
-        self.details
-            .lock()
-            .await
-            .clone()
-            .ok_or(EphemeralGatewayDetailsError)
-    }
-
-    async fn store_gateway_details(
-        &self,
-        gateway_details: &PersistedGatewayDetails,
-    ) -> Result<(), Self::StorageError> {
-        *self.details.lock().await = Some(gateway_details.clone());
-        Ok(())
-    }
-}
@@ -1,169 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-// TODO: combine those more closely. Perhaps into a single underlying store.
-// Like for persistent, on-disk, storage, what's the point of having 3 different databases?
-
-use crate::client::base_client::storage::gateway_details::{
-    GatewayDetailsStore, InMemGatewayDetails,
-};
-use crate::client::key_manager::persistence::{InMemEphemeralKeys, KeyStore};
-use crate::client::replies::reply_storage;
-use crate::client::replies::reply_storage::ReplyStorageBackend;
-use nym_credential_storage::ephemeral_storage::EphemeralStorage as EphemeralCredentialStorage;
-use nym_credential_storage::storage::Storage as CredentialStorage;
-
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-use crate::client::base_client::non_wasm_helpers;
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-use crate::client::base_client::storage::gateway_details::OnDiskGatewayDetails;
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-use crate::client::key_manager::persistence::OnDiskKeys;
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-use crate::client::replies::reply_storage::fs_backend;
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-use crate::config::{self, disk_persistence::CommonClientPaths};
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-use crate::error::ClientCoreError;
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-use nym_credential_storage::persistent_storage::PersistentStorage as PersistentCredentialStorage;
-
-pub mod gateway_details;
-
-// TODO: ideally this should be changed into
-// `MixnetClientStorage: KeyStore + ReplyStorageBackend + CredentialStorage + GatewayDetailsStore`
-pub trait MixnetClientStorage {
-    type KeyStore: KeyStore;
-    type ReplyStore: ReplyStorageBackend;
-    type CredentialStore: CredentialStorage;
-    type GatewayDetailsStore: GatewayDetailsStore;
-
-    // this is a TERRIBLE name...
-    // fn into_split(self) -> (Self::KeyStore, Self::ReplyStore, Self::CredentialStore, Self::GatewayDetailsStore);
-
-    fn into_runtime_stores(self) -> (Self::ReplyStore, Self::CredentialStore);
-
-    fn key_store(&self) -> &Self::KeyStore;
-    fn reply_store(&self) -> &Self::ReplyStore;
-    fn credential_store(&self) -> &Self::CredentialStore;
-    fn gateway_details_store(&self) -> &Self::GatewayDetailsStore;
-}
-
-#[derive(Default)]
-pub struct Ephemeral {
-    key_store: InMemEphemeralKeys,
-    reply_store: reply_storage::Empty,
-    credential_store: EphemeralCredentialStorage,
-    gateway_details_store: InMemGatewayDetails,
-}
-
-impl Ephemeral {
-    pub fn new() -> Self {
-        Default::default()
-    }
-}
-
-impl MixnetClientStorage for Ephemeral {
-    type KeyStore = InMemEphemeralKeys;
-    type ReplyStore = reply_storage::Empty;
-    type CredentialStore = EphemeralCredentialStorage;
-    type GatewayDetailsStore = InMemGatewayDetails;
-
-    fn into_runtime_stores(self) -> (Self::ReplyStore, Self::CredentialStore) {
-        (self.reply_store, self.credential_store)
-    }
-
-    fn key_store(&self) -> &Self::KeyStore {
-        &self.key_store
-    }
-
-    fn reply_store(&self) -> &Self::ReplyStore {
-        &self.reply_store
-    }
-
-    fn credential_store(&self) -> &Self::CredentialStore {
-        &self.credential_store
-    }
-
-    fn gateway_details_store(&self) -> &Self::GatewayDetailsStore {
-        &self.gateway_details_store
-    }
-}
-
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-pub struct OnDiskPersistent {
-    pub(crate) key_store: OnDiskKeys,
-    pub(crate) reply_store: fs_backend::Backend,
-    pub(crate) credential_store: PersistentCredentialStorage,
-    pub(crate) gateway_details_store: OnDiskGatewayDetails,
-}
-
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-impl OnDiskPersistent {
-    pub fn new(
-        key_store: OnDiskKeys,
-        reply_store: fs_backend::Backend,
-        credential_store: PersistentCredentialStorage,
-        gateway_details_store: OnDiskGatewayDetails,
-    ) -> Self {
-        Self {
-            key_store,
-            reply_store,
-            credential_store,
-            gateway_details_store,
-        }
-    }
-
-    pub async fn from_paths(
-        paths: CommonClientPaths,
-        debug_config: &config::DebugConfig,
-    ) -> Result<Self, ClientCoreError> {
-        let key_store = OnDiskKeys::new(paths.keys);
-
-        let reply_store = non_wasm_helpers::setup_fs_reply_surb_backend(
-            paths.reply_surb_database,
-            &debug_config.reply_surbs,
-        )
-        .await?;
-
-        let credential_store =
-            nym_credential_storage::initialise_persistent_storage(paths.credentials_database).await;
-
-        let gateway_details_store = OnDiskGatewayDetails::new(paths.gateway_details);
-
-        Ok(OnDiskPersistent {
-            key_store,
-            reply_store,
-            credential_store,
-            gateway_details_store,
-        })
-    }
-}
-
-#[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-impl MixnetClientStorage for OnDiskPersistent {
-    type KeyStore = OnDiskKeys;
-    type ReplyStore = fs_backend::Backend;
-    type CredentialStore = PersistentCredentialStorage;
-    type GatewayDetailsStore = OnDiskGatewayDetails;
-
-    fn into_runtime_stores(self) -> (Self::ReplyStore, Self::CredentialStore) {
-        (self.reply_store, self.credential_store)
-    }
-
-    fn key_store(&self) -> &Self::KeyStore {
-        &self.key_store
-    }
-
-    fn reply_store(&self) -> &Self::ReplyStore {
-        &self.reply_store
-    }
-
-    fn credential_store(&self) -> &Self::CredentialStore {
-        &self.credential_store
-    }
-
-    fn gateway_details_store(&self) -> &Self::GatewayDetailsStore {
-        &self.gateway_details_store
-    }
-}
@@ -45,7 +45,7 @@ where
    #[cfg(target_arch = "wasm32")]
    next_delay: Pin<Box<wasm_timer::Delay>>,

-    /// Channel used for sending prepared nym packets to `MixTrafficController` that sends them
+    /// Channel used for sending prepared sphinx packets to `MixTrafficController` that sends them
    /// out to the network without any further delays.
    mix_tx: BatchMixMessageSender,

@@ -194,7 +194,6 @@ impl LoopCoverTrafficStream<OsRng> {
            self.average_ack_delay,
            self.cover_traffic.loop_cover_traffic_average_delay,
            cover_traffic_packet_size,
-            nym_sphinx::params::PacketType::Mix,
        )
        .expect("Somehow failed to generate a loop cover message with a valid topology");

@@ -1,10 +1,5 @@
-// Copyright 2020-2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::forwarding::packet::MixPacket;
-use nym_sphinx::params::PacketType;
 use nym_task::connections::TransmissionLane;

 pub type InputMessageSender = tokio::sync::mpsc::Sender<InputMessage>;
@@ -12,14 +7,6 @@ pub type InputMessageReceiver = tokio::sync::mpsc::Receiver<InputMessage>;

 #[derive(Debug)]
 pub enum InputMessage {
-    /// Fire an already prepared mix packets into the network.
-    /// No guarantees are made about it. For example no retransmssion
-    /// will be attempted if it gets dropped.
-    Premade {
-        msgs: Vec<MixPacket>,
-        lane: TransmissionLane,
-    },
-
    /// The simplest message variant where no additional information is attached.
    /// You're simply sending your `data` to specified `recipient` without any tagging.
    ///
@@ -54,49 +41,14 @@ pub enum InputMessage {
        data: Vec<u8>,
        lane: TransmissionLane,
    },
-
-    MessageWrapper {
-        message: Box<InputMessage>,
-        packet_type: PacketType,
-    },
 }

 impl InputMessage {
-    pub fn new_premade(
-        msgs: Vec<MixPacket>,
-        lane: TransmissionLane,
-        packet_type: PacketType,
-    ) -> Self {
-        let message = InputMessage::Premade { msgs, lane };
-        if packet_type == PacketType::Mix {
-            message
-        } else {
-            InputMessage::new_wrapper(message, packet_type)
-        }
-    }
-
-    pub fn new_wrapper(message: InputMessage, packet_type: PacketType) -> Self {
-        InputMessage::MessageWrapper {
-            message: Box::new(message),
-            packet_type,
-        }
-    }
-
-    pub fn new_regular(
-        recipient: Recipient,
-        data: Vec<u8>,
-        lane: TransmissionLane,
-        packet_type: Option<PacketType>,
-    ) -> Self {
-        let message = InputMessage::Regular {
+    pub fn new_regular(recipient: Recipient, data: Vec<u8>, lane: TransmissionLane) -> Self {
+        InputMessage::Regular {
            recipient,
            data,
            lane,
-        };
-        if let Some(packet_type) = packet_type {
-            InputMessage::new_wrapper(message, packet_type)
-        } else {
-            message
        }
    }

@@ -105,18 +57,12 @@ impl InputMessage {
        data: Vec<u8>,
        reply_surbs: u32,
        lane: TransmissionLane,
-        packet_type: Option<PacketType>,
    ) -> Self {
-        let message = InputMessage::Anonymous {
+        InputMessage::Anonymous {
            recipient,
            data,
            reply_surbs,
            lane,
-        };
-        if let Some(packet_type) = packet_type {
-            InputMessage::new_wrapper(message, packet_type)
-        } else {
-            message
        }
    }

@@ -124,17 +70,11 @@ impl InputMessage {
        recipient_tag: AnonymousSenderTag,
        data: Vec<u8>,
        lane: TransmissionLane,
-        packet_type: Option<PacketType>,
    ) -> Self {
-        let message = InputMessage::Reply {
+        InputMessage::Reply {
            recipient_tag,
            data,
            lane,
-        };
-        if let Some(packet_type) = packet_type {
-            InputMessage::new_wrapper(message, packet_type)
-        } else {
-            message
        }
    }

@@ -142,9 +82,7 @@ impl InputMessage {
        match self {
            InputMessage::Regular { lane, .. }
            | InputMessage::Anonymous { lane, .. }
-            | InputMessage::Reply { lane, .. }
-            | InputMessage::Premade { lane, .. } => lane,
-            InputMessage::MessageWrapper { message, .. } => message.lane(),
+            | InputMessage::Reply { lane, .. } => lane,
        }
    }
 }
@@ -0,0 +1,227 @@
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::config::persistence::key_pathfinder::ClientKeyPathfinder;
+use log::*;
+use nym_crypto::asymmetric::{encryption, identity};
+use nym_gateway_requests::registration::handshake::SharedKeys;
+use nym_sphinx::acknowledgements::AckKey;
+use rand::{CryptoRng, RngCore};
+use std::io;
+use std::sync::Arc;
+
+// Note: to support key rotation in the future, all keys will require adding an extra smart pointer,
+// most likely an AtomicCell, or if it doesn't work as I think it does, a Mutex. Although I think
+// AtomicCell includes a Mutex implicitly if the underlying type does not work atomically.
+// And I guess there will need to be some mechanism for a grace period when you can still
+// use the old key after new one was issued.
+
+// Remember that Arc<T> has Deref implementation for T
+#[derive(Clone)]
+pub struct KeyManager {
+    /// identity key associated with the client instance.
+    identity_keypair: Arc<identity::KeyPair>,
+
+    /// encryption key associated with the client instance.
+    encryption_keypair: Arc<encryption::KeyPair>,
+
+    /// shared key derived with the gateway during "registration handshake"
+    gateway_shared_key: Option<Arc<SharedKeys>>,
+
+    /// key used for producing and processing acknowledgement packets.
+    ack_key: Arc<AckKey>,
+}
+
+// The expected flow of a KeyManager "lifetime" is as follows:
+/*
+   1. ::new() is called during client-init
+   2. after gateway registration is completed [in init] ::insert_gateway_shared_key() is called
+   3. ::store_keys() is called before init finishes execution.
+   4. ::load_keys() is called at the beginning of each subsequent client-run
+   5. [not implemented] ::rotate_keys() is called periodically during client-run I presume?
+*/
+
+impl KeyManager {
+    /// Creates new instance of a [`KeyManager`]
+    pub fn new<R>(rng: &mut R) -> Self
+    where
+        R: RngCore + CryptoRng,
+    {
+        KeyManager {
+            identity_keypair: Arc::new(identity::KeyPair::new(rng)),
+            encryption_keypair: Arc::new(encryption::KeyPair::new(rng)),
+            gateway_shared_key: None,
+            ack_key: Arc::new(AckKey::new(rng)),
+        }
+    }
+
+    pub fn from_keys(
+        id_keypair: identity::KeyPair,
+        enc_keypair: encryption::KeyPair,
+        gateway_shared_key: SharedKeys,
+        ack_key: AckKey,
+    ) -> Self {
+        Self {
+            identity_keypair: Arc::new(id_keypair),
+            encryption_keypair: Arc::new(enc_keypair),
+            gateway_shared_key: Some(Arc::new(gateway_shared_key)),
+            ack_key: Arc::new(ack_key),
+        }
+    }
+
+    /// Loads previously stored client keys from the disk.
+    fn load_client_keys(client_pathfinder: &ClientKeyPathfinder) -> io::Result<Self> {
+        let identity_keypair: identity::KeyPair =
+            nym_pemstore::load_keypair(&nym_pemstore::KeyPairPath::new(
+                client_pathfinder.private_identity_key().to_owned(),
+                client_pathfinder.public_identity_key().to_owned(),
+            ))?;
+        let encryption_keypair: encryption::KeyPair =
+            nym_pemstore::load_keypair(&nym_pemstore::KeyPairPath::new(
+                client_pathfinder.private_encryption_key().to_owned(),
+                client_pathfinder.public_encryption_key().to_owned(),
+            ))?;
+
+        let ack_key: AckKey = nym_pemstore::load_key(client_pathfinder.ack_key())?;
+
+        Ok(KeyManager {
+            identity_keypair: Arc::new(identity_keypair),
+            encryption_keypair: Arc::new(encryption_keypair),
+            gateway_shared_key: None,
+            ack_key: Arc::new(ack_key),
+        })
+    }
+
+    /// Loads previously stored keys from the disk. Fails if not all, including the shared gateway
+    /// key, is available.
+    pub fn load_keys(client_pathfinder: &ClientKeyPathfinder) -> io::Result<Self> {
+        let mut key_manager = Self::load_client_keys(client_pathfinder)?;
+
+        let gateway_shared_key: SharedKeys =
+            nym_pemstore::load_key(client_pathfinder.gateway_shared_key())?;
+
+        key_manager.gateway_shared_key = Some(Arc::new(gateway_shared_key));
+
+        Ok(key_manager)
+    }
+
+    /// Loads previously stored keys from the disk. Fails if client keys are not availabe, but the
+    /// shared gateway key is optional.
+    pub fn load_keys_but_gateway_is_optional(
+        client_pathfinder: &ClientKeyPathfinder,
+    ) -> io::Result<Self> {
+        let mut key_manager = Self::load_client_keys(client_pathfinder)?;
+
+        let gateway_shared_key: Result<SharedKeys, io::Error> =
+            nym_pemstore::load_key(client_pathfinder.gateway_shared_key());
+
+        // It's ok if the gateway key was not found
+        let gateway_shared_key = match gateway_shared_key {
+            Err(err) if err.kind() == io::ErrorKind::NotFound => Ok(None),
+            Err(err) => Err(err),
+            Ok(key) => Ok(Some(key)),
+        }?;
+
+        key_manager.gateway_shared_key = gateway_shared_key.map(Arc::new);
+
+        Ok(key_manager)
+    }
+
+    /// Stores all available keys on the disk.
+    // While perhaps there is no much point in storing the `AckKey` on the disk,
+    // it is done so for the consistency sake so that you wouldn't require an rng instance
+    // during `load_keys` to generate the said key.
+    pub fn store_keys(&self, client_pathfinder: &ClientKeyPathfinder) -> io::Result<()> {
+        nym_pemstore::store_keypair(
+            self.identity_keypair.as_ref(),
+            &nym_pemstore::KeyPairPath::new(
+                client_pathfinder.private_identity_key().to_owned(),
+                client_pathfinder.public_identity_key().to_owned(),
+            ),
+        )?;
+        nym_pemstore::store_keypair(
+            self.encryption_keypair.as_ref(),
+            &nym_pemstore::KeyPairPath::new(
+                client_pathfinder.private_encryption_key().to_owned(),
+                client_pathfinder.public_encryption_key().to_owned(),
+            ),
+        )?;
+
+        nym_pemstore::store_key(self.ack_key.as_ref(), client_pathfinder.ack_key())?;
+
+        match self.gateway_shared_key.as_ref() {
+            None => debug!("No gateway shared key available to store!"),
+            Some(gate_key) => {
+                nym_pemstore::store_key(gate_key.as_ref(), client_pathfinder.gateway_shared_key())?
+            }
+        }
+
+        Ok(())
+    }
+
+    pub fn store_gateway_key(&self, client_pathfinder: &ClientKeyPathfinder) -> io::Result<()> {
+        match self.gateway_shared_key.as_ref() {
+            None => {
+                return Err(io::Error::new(
+                    io::ErrorKind::Other,
+                    "trying to store a non-existing key",
+                ))
+            }
+            Some(gate_key) => {
+                nym_pemstore::store_key(gate_key.as_ref(), client_pathfinder.gateway_shared_key())?
+            }
+        }
+
+        Ok(())
+    }
+
+    /// Overwrite the existing identity keypair
+    pub fn set_identity_keypair(&mut self, id_keypair: identity::KeyPair) {
+        self.identity_keypair = Arc::new(id_keypair);
+    }
+
+    /// Gets an atomically reference counted pointer to [`identity::KeyPair`].
+    pub fn identity_keypair(&self) -> Arc<identity::KeyPair> {
+        Arc::clone(&self.identity_keypair)
+    }
+
+    /// Overwrite the existing encryption keypair
+    pub fn set_encryption_keypair(&mut self, enc_keypair: encryption::KeyPair) {
+        self.encryption_keypair = Arc::new(enc_keypair);
+    }
+
+    /// Gets an atomically reference counted pointer to [`encryption::KeyPair`].
+    pub fn encryption_keypair(&self) -> Arc<encryption::KeyPair> {
+        Arc::clone(&self.encryption_keypair)
+    }
+
+    /// Overwrite the existing ack key
+    pub fn set_ack_key(&mut self, ack_key: AckKey) {
+        self.ack_key = Arc::new(ack_key);
+    }
+
+    /// Gets an atomically reference counted pointer to [`AckKey`].
+    pub fn ack_key(&self) -> Arc<AckKey> {
+        Arc::clone(&self.ack_key)
+    }
+
+    /// After shared key with the gateway is derived, puts its ownership to this instance of a [`KeyManager`].
+    pub fn insert_gateway_shared_key(&mut self, gateway_shared_key: Arc<SharedKeys>) {
+        self.gateway_shared_key = Some(gateway_shared_key)
+    }
+
+    /// Gets an atomically reference counted pointer to [`SharedKey`].
+    // since this function is not fully public, it is not expected to be used externally and
+    // hence it's up to us to ensure it's called in correct context
+    pub fn gateway_shared_key(&self) -> Arc<SharedKeys> {
+        Arc::clone(
+            self.gateway_shared_key
+                .as_ref()
+                .expect("tried to unwrap empty gateway key!"),
+        )
+    }
+
+    pub fn is_gateway_key_set(&self) -> bool {
+        self.gateway_shared_key.is_some()
+    }
+}
@@ -1,292 +0,0 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::client::key_manager::persistence::KeyStore;
-use nym_crypto::asymmetric::{encryption, identity};
-use nym_gateway_requests::registration::handshake::SharedKeys;
-use nym_sphinx::acknowledgements::AckKey;
-use rand::{CryptoRng, RngCore};
-use std::fmt::{Debug, Formatter};
-use std::sync::Arc;
-use zeroize::ZeroizeOnDrop;
-
-pub mod persistence;
-
-pub enum ManagedKeys {
-    Initial(KeyManagerBuilder),
-    FullyDerived(KeyManager),
-
-    // I really hate the existence of this variant, but I couldn't come up with a better way to handle
-    // `Self::deal_with_gateway_key` otherwise.
-    Invalidated,
-}
-
-impl Debug for ManagedKeys {
-    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        match self {
-            ManagedKeys::Initial(_) => write!(f, "initial"),
-            ManagedKeys::FullyDerived(_) => write!(f, "fully derived"),
-            ManagedKeys::Invalidated => write!(f, "invalidated"),
-        }
-    }
-}
-
-impl From<KeyManagerBuilder> for ManagedKeys {
-    fn from(value: KeyManagerBuilder) -> Self {
-        ManagedKeys::Initial(value)
-    }
-}
-
-impl From<KeyManager> for ManagedKeys {
-    fn from(value: KeyManager) -> Self {
-        ManagedKeys::FullyDerived(value)
-    }
-}
-
-impl ManagedKeys {
-    pub fn is_valid(&self) -> bool {
-        !matches!(self, ManagedKeys::Invalidated)
-    }
-
-    pub async fn try_load<S: KeyStore>(key_store: &S) -> Result<Self, S::StorageError> {
-        Ok(ManagedKeys::FullyDerived(
-            KeyManager::load_keys(key_store).await?,
-        ))
-    }
-
-    pub fn generate_new<R>(rng: &mut R) -> Self
-    where
-        R: RngCore + CryptoRng,
-    {
-        ManagedKeys::Initial(KeyManagerBuilder::new(rng))
-    }
-
-    pub async fn load_or_generate<R, S>(rng: &mut R, key_store: &S) -> Self
-    where
-        R: RngCore + CryptoRng,
-        S: KeyStore,
-    {
-        Self::try_load(key_store)
-            .await
-            .unwrap_or_else(|_| Self::generate_new(rng))
-    }
-
-    pub fn identity_keypair(&self) -> Arc<identity::KeyPair> {
-        match self {
-            ManagedKeys::Initial(keys) => keys.identity_keypair(),
-            ManagedKeys::FullyDerived(keys) => keys.identity_keypair(),
-            ManagedKeys::Invalidated => unreachable!("the managed keys got invalidated"),
-        }
-    }
-
-    pub fn encryption_keypair(&self) -> Arc<encryption::KeyPair> {
-        match self {
-            ManagedKeys::Initial(keys) => keys.encryption_keypair(),
-            ManagedKeys::FullyDerived(keys) => keys.encryption_keypair(),
-            ManagedKeys::Invalidated => unreachable!("the managed keys got invalidated"),
-        }
-    }
-
-    pub fn ack_key(&self) -> Arc<AckKey> {
-        match self {
-            ManagedKeys::Initial(keys) => keys.ack_key(),
-            ManagedKeys::FullyDerived(keys) => keys.ack_key(),
-            ManagedKeys::Invalidated => unreachable!("the managed keys got invalidated"),
-        }
-    }
-
-    pub fn must_get_gateway_shared_key(&self) -> Arc<SharedKeys> {
-        self.gateway_shared_key()
-            .expect("failed to extract gateway shared key")
-    }
-
-    pub fn gateway_shared_key(&self) -> Option<Arc<SharedKeys>> {
-        match self {
-            ManagedKeys::Initial(_) => None,
-            ManagedKeys::FullyDerived(keys) => Some(keys.gateway_shared_key()),
-            ManagedKeys::Invalidated => unreachable!("the managed keys got invalidated"),
-        }
-    }
-
-    pub fn identity_public_key(&self) -> &identity::PublicKey {
-        match self {
-            ManagedKeys::Initial(keys) => keys.identity_keypair.public_key(),
-            ManagedKeys::FullyDerived(keys) => keys.identity_keypair.public_key(),
-            ManagedKeys::Invalidated => unreachable!("the managed keys got invalidated"),
-        }
-    }
-
-    pub fn encryption_public_key(&self) -> &encryption::PublicKey {
-        match self {
-            ManagedKeys::Initial(keys) => keys.encryption_keypair.public_key(),
-            ManagedKeys::FullyDerived(keys) => keys.encryption_keypair.public_key(),
-            ManagedKeys::Invalidated => unreachable!("the managed keys got invalidated"),
-        }
-    }
-
-    pub fn ensure_gateway_key(&self, gateway_shared_key: Arc<SharedKeys>) {
-        if let ManagedKeys::FullyDerived(key_manager) = &self {
-            if !Arc::ptr_eq(&key_manager.gateway_shared_key, &gateway_shared_key)
-                || key_manager.gateway_shared_key != gateway_shared_key
-            {
-                // this should NEVER happen thus panic here
-                panic!("derived fresh gateway shared key whilst already holding one!")
-            }
-        }
-    }
-
-    pub async fn deal_with_gateway_key<S: KeyStore>(
-        &mut self,
-        gateway_shared_key: Arc<SharedKeys>,
-        key_store: &S,
-    ) -> Result<(), S::StorageError> {
-        let key_manager = match std::mem::replace(self, ManagedKeys::Invalidated) {
-            ManagedKeys::Initial(keys) => {
-                let key_manager = keys.insert_gateway_shared_key(gateway_shared_key);
-                key_manager.persist_keys(key_store).await?;
-                key_manager
-            }
-            ManagedKeys::FullyDerived(key_manager) => {
-                self.ensure_gateway_key(gateway_shared_key);
-                key_manager
-            }
-            ManagedKeys::Invalidated => unreachable!("the managed keys got invalidated"),
-        };
-
-        *self = ManagedKeys::FullyDerived(key_manager);
-        Ok(())
-    }
-}
-
-// all of the keys really shouldn't be wrapped in `Arc`, but due to how the gateway client is currently
-// constructed, changing that would require more work than what it's worth
-pub struct KeyManagerBuilder {
-    /// identity key associated with the client instance.
-    identity_keypair: Arc<identity::KeyPair>,
-
-    /// encryption key associated with the client instance.
-    encryption_keypair: Arc<encryption::KeyPair>,
-
-    /// key used for producing and processing acknowledgement packets.
-    ack_key: Arc<AckKey>,
-}
-
-impl KeyManagerBuilder {
-    /// Creates new instance of a [`KeyManager`]
-    pub fn new<R>(rng: &mut R) -> Self
-    where
-        R: RngCore + CryptoRng,
-    {
-        KeyManagerBuilder {
-            identity_keypair: Arc::new(identity::KeyPair::new(rng)),
-            encryption_keypair: Arc::new(encryption::KeyPair::new(rng)),
-            ack_key: Arc::new(AckKey::new(rng)),
-        }
-    }
-
-    pub fn insert_gateway_shared_key(self, gateway_shared_key: Arc<SharedKeys>) -> KeyManager {
-        KeyManager {
-            identity_keypair: self.identity_keypair,
-            encryption_keypair: self.encryption_keypair,
-            gateway_shared_key,
-            ack_key: self.ack_key,
-        }
-    }
-
-    pub fn identity_keypair(&self) -> Arc<identity::KeyPair> {
-        Arc::clone(&self.identity_keypair)
-    }
-
-    pub fn encryption_keypair(&self) -> Arc<encryption::KeyPair> {
-        Arc::clone(&self.encryption_keypair)
-    }
-
-    pub fn ack_key(&self) -> Arc<AckKey> {
-        Arc::clone(&self.ack_key)
-    }
-}
-
-// Note: to support key rotation in the future, all keys will require adding an extra smart pointer,
-// most likely an AtomicCell, or if it doesn't work as I think it does, a Mutex. Although I think
-// AtomicCell includes a Mutex implicitly if the underlying type does not work atomically.
-// And I guess there will need to be some mechanism for a grace period when you can still
-// use the old key after new one was issued.
-
-// Remember that Arc<T> has Deref implementation for T
-#[derive(Clone)]
-pub struct KeyManager {
-    /// identity key associated with the client instance.
-    identity_keypair: Arc<identity::KeyPair>,
-
-    /// encryption key associated with the client instance.
-    encryption_keypair: Arc<encryption::KeyPair>,
-
-    /// shared key derived with the gateway during "registration handshake"
-    gateway_shared_key: Arc<SharedKeys>,
-
-    /// key used for producing and processing acknowledgement packets.
-    ack_key: Arc<AckKey>,
-}
-
-impl KeyManager {
-    pub fn from_keys(
-        id_keypair: identity::KeyPair,
-        enc_keypair: encryption::KeyPair,
-        gateway_shared_key: SharedKeys,
-        ack_key: AckKey,
-    ) -> Self {
-        Self {
-            identity_keypair: Arc::new(id_keypair),
-            encryption_keypair: Arc::new(enc_keypair),
-            gateway_shared_key: Arc::new(gateway_shared_key),
-            ack_key: Arc::new(ack_key),
-        }
-    }
-
-    pub async fn load_keys<S: KeyStore>(store: &S) -> Result<Self, S::StorageError> {
-        store.load_keys().await
-    }
-
-    pub async fn persist_keys<S: KeyStore>(&self, store: &S) -> Result<(), S::StorageError> {
-        store.store_keys(self).await
-    }
-
-    /// Gets an atomically reference counted pointer to [`identity::KeyPair`].
-    pub fn identity_keypair(&self) -> Arc<identity::KeyPair> {
-        Arc::clone(&self.identity_keypair)
-    }
-
-    /// Gets an atomically reference counted pointer to [`encryption::KeyPair`].
-    pub fn encryption_keypair(&self) -> Arc<encryption::KeyPair> {
-        Arc::clone(&self.encryption_keypair)
-    }
-    /// Gets an atomically reference counted pointer to [`AckKey`].
-    pub fn ack_key(&self) -> Arc<AckKey> {
-        Arc::clone(&self.ack_key)
-    }
-
-    /// Gets an atomically reference counted pointer to [`SharedKey`].
-    pub fn gateway_shared_key(&self) -> Arc<SharedKeys> {
-        Arc::clone(&self.gateway_shared_key)
-    }
-
-    pub fn remove_gateway_key(self) -> KeyManagerBuilder {
-        if Arc::strong_count(&self.gateway_shared_key) > 1 {
-            panic!("attempted to remove gateway key whilst still holding multiple references!")
-        }
-        KeyManagerBuilder {
-            identity_keypair: self.identity_keypair,
-            encryption_keypair: self.encryption_keypair,
-            ack_key: self.ack_key,
-        }
-    }
-}
-
-fn _assert_keys_zeroize_on_drop() {
-    fn _assert_zeroize_on_drop<T: ZeroizeOnDrop>() {}
-
-    _assert_zeroize_on_drop::<identity::KeyPair>();
-    _assert_zeroize_on_drop::<encryption::KeyPair>();
-    _assert_zeroize_on_drop::<AckKey>();
-    _assert_zeroize_on_drop::<SharedKeys>();
-}
@@ -1,237 +0,0 @@
-// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::client::key_manager::KeyManager;
-use async_trait::async_trait;
-use std::error::Error;
-use tokio::sync::Mutex;
-
-#[cfg(not(target_arch = "wasm32"))]
-use crate::config::disk_persistence::keys_paths::ClientKeysPaths;
-#[cfg(not(target_arch = "wasm32"))]
-use nym_crypto::asymmetric::{encryption, identity};
-#[cfg(not(target_arch = "wasm32"))]
-use nym_gateway_requests::registration::handshake::SharedKeys;
-#[cfg(not(target_arch = "wasm32"))]
-use nym_pemstore::traits::{PemStorableKey, PemStorableKeyPair};
-#[cfg(not(target_arch = "wasm32"))]
-use nym_pemstore::KeyPairPath;
-#[cfg(not(target_arch = "wasm32"))]
-use nym_sphinx::acknowledgements::AckKey;
-
-// we have to define it as an async trait since wasm storage is async
-#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
-#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-pub trait KeyStore {
-    type StorageError: Error;
-
-    async fn load_keys(&self) -> Result<KeyManager, Self::StorageError>;
-
-    async fn store_keys(&self, keys: &KeyManager) -> Result<(), Self::StorageError>;
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-#[derive(Debug, thiserror::Error)]
-pub enum OnDiskKeysError {
-    #[error("failed to load {keys} keys from {:?} (private key) and {:?} (public key): {err}", .paths.private_key_path, .paths.public_key_path)]
-    KeyPairLoadFailure {
-        keys: String,
-        paths: nym_pemstore::KeyPairPath,
-        #[source]
-        err: std::io::Error,
-    },
-
-    #[error("failed to store {keys} keys to {:?} (private key) and {:?} (public key): {err}", .paths.private_key_path, .paths.public_key_path)]
-    KeyPairStoreFailure {
-        keys: String,
-        paths: nym_pemstore::KeyPairPath,
-        #[source]
-        err: std::io::Error,
-    },
-
-    #[error("failed to load {key} key from {path}: {err}")]
-    KeyLoadFailure {
-        key: String,
-        path: String,
-        #[source]
-        err: std::io::Error,
-    },
-
-    #[error("failed to store {key} key to {path}: {err}")]
-    KeyStoreFailure {
-        key: String,
-        path: String,
-        #[source]
-        err: std::io::Error,
-    },
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-pub struct OnDiskKeys {
-    paths: ClientKeysPaths,
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-impl From<ClientKeysPaths> for OnDiskKeys {
-    fn from(paths: ClientKeysPaths) -> Self {
-        OnDiskKeys { paths }
-    }
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-impl OnDiskKeys {
-    pub fn new(paths: ClientKeysPaths) -> Self {
-        OnDiskKeys { paths }
-    }
-
-    #[doc(hidden)]
-    pub fn ephemeral_load_gateway_keys(
-        &self,
-    ) -> Result<zeroize::Zeroizing<SharedKeys>, OnDiskKeysError> {
-        self.load_key(self.paths.gateway_shared_key(), "gateway shared keys")
-            .map(zeroize::Zeroizing::new)
-    }
-
-    #[doc(hidden)]
-    pub fn load_encryption_keypair(&self) -> Result<encryption::KeyPair, OnDiskKeysError> {
-        let encryption_paths = self.paths.encryption_key_pair_path();
-        self.load_keypair(encryption_paths, "encryption keys")
-    }
-
-    #[doc(hidden)]
-    pub fn load_identity_keypair(&self) -> Result<identity::KeyPair, OnDiskKeysError> {
-        let identity_paths = self.paths.identity_key_pair_path();
-        self.load_keypair(identity_paths, "identity keys")
-    }
-
-    fn load_key<T: PemStorableKey>(
-        &self,
-        path: &std::path::Path,
-        name: impl Into<String>,
-    ) -> Result<T, OnDiskKeysError> {
-        nym_pemstore::load_key(path).map_err(|err| OnDiskKeysError::KeyLoadFailure {
-            key: name.into(),
-            path: path.to_str().map(|s| s.to_owned()).unwrap_or_default(),
-            err,
-        })
-    }
-
-    fn load_keypair<T: PemStorableKeyPair>(
-        &self,
-        paths: KeyPairPath,
-        name: impl Into<String>,
-    ) -> Result<T, OnDiskKeysError> {
-        nym_pemstore::load_keypair(&paths).map_err(|err| OnDiskKeysError::KeyPairLoadFailure {
-            keys: name.into(),
-            paths,
-            err,
-        })
-    }
-
-    fn store_key<T: PemStorableKey>(
-        &self,
-        key: &T,
-        path: &std::path::Path,
-        name: impl Into<String>,
-    ) -> Result<(), OnDiskKeysError> {
-        nym_pemstore::store_key(key, path).map_err(|err| OnDiskKeysError::KeyStoreFailure {
-            key: name.into(),
-            path: path.to_str().map(|s| s.to_owned()).unwrap_or_default(),
-            err,
-        })
-    }
-
-    fn store_keypair<T: PemStorableKeyPair>(
-        &self,
-        keys: &T,
-        paths: KeyPairPath,
-        name: impl Into<String>,
-    ) -> Result<(), OnDiskKeysError> {
-        nym_pemstore::store_keypair(keys, &paths).map_err(|err| {
-            OnDiskKeysError::KeyPairStoreFailure {
-                keys: name.into(),
-                paths,
-                err,
-            }
-        })
-    }
-
-    fn load_keys(&self) -> Result<KeyManager, OnDiskKeysError> {
-        let identity_keypair = self.load_identity_keypair()?;
-        let encryption_keypair = self.load_encryption_keypair()?;
-
-        let ack_key: AckKey = self.load_key(self.paths.ack_key(), "ack key")?;
-        let gateway_shared_key: SharedKeys =
-            self.load_key(self.paths.gateway_shared_key(), "gateway shared keys")?;
-
-        Ok(KeyManager::from_keys(
-            identity_keypair,
-            encryption_keypair,
-            gateway_shared_key,
-            ack_key,
-        ))
-    }
-
-    fn store_keys(&self, keys: &KeyManager) -> Result<(), OnDiskKeysError> {
-        let identity_paths = self.paths.identity_key_pair_path();
-        let encryption_paths = self.paths.encryption_key_pair_path();
-
-        self.store_keypair(
-            keys.identity_keypair.as_ref(),
-            identity_paths,
-            "identity keys",
-        )?;
-        self.store_keypair(
-            keys.encryption_keypair.as_ref(),
-            encryption_paths,
-            "encryption keys",
-        )?;
-
-        self.store_key(keys.ack_key.as_ref(), self.paths.ack_key(), "ack key")?;
-        self.store_key(
-            keys.gateway_shared_key.as_ref(),
-            self.paths.gateway_shared_key(),
-            "gateway shared keys",
-        )?;
-
-        Ok(())
-    }
-}
-
-#[cfg(not(target_arch = "wasm32"))]
-#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-impl KeyStore for OnDiskKeys {
-    type StorageError = OnDiskKeysError;
-
-    async fn load_keys(&self) -> Result<KeyManager, Self::StorageError> {
-        self.load_keys()
-    }
-
-    async fn store_keys(&self, keys: &KeyManager) -> Result<(), Self::StorageError> {
-        self.store_keys(keys)
-    }
-}
-
-#[derive(Default)]
-pub struct InMemEphemeralKeys {
-    keys: Mutex<Option<KeyManager>>,
-}
-
-#[derive(Debug, thiserror::Error)]
-#[error("old ephemeral keys can't be loaded from storage")]
-pub struct EphemeralKeysError;
-
-#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
-#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-impl KeyStore for InMemEphemeralKeys {
-    type StorageError = EphemeralKeysError;
-
-    async fn load_keys(&self) -> Result<KeyManager, Self::StorageError> {
-        self.keys.lock().await.clone().ok_or(EphemeralKeysError)
-    }
-
-    async fn store_keys(&self, keys: &KeyManager) -> Result<(), Self::StorageError> {
-        *self.keys.lock().await = Some(keys.clone());
-        Ok(())
-    }
-}
@@ -35,20 +35,19 @@ impl<C, St> MixTrafficController<C, St>
 where
    C: DkgQueryClient + Sync + Send + 'static,
    St: Storage + 'static,
-    <St as Storage>::StorageError: Send + Sync + 'static,
 {
    pub fn new(
        gateway_client: GatewayClient<C, St>,
    ) -> (MixTrafficController<C, St>, BatchMixMessageSender) {
-        let (message_sender, message_receiver) =
+        let (sphinx_message_sender, sphinx_message_receiver) =
            tokio::sync::mpsc::channel(MIX_MESSAGE_RECEIVER_BUFFER_SIZE);
        (
            MixTrafficController {
                gateway_client,
-                mix_rx: message_receiver,
+                mix_rx: sphinx_message_receiver,
                consecutive_gateway_failure_count: 0,
            },
-            message_sender,
+            sphinx_message_sender,
        )
    }

@@ -71,7 +71,7 @@ impl AcknowledgementListener {
        while !shutdown.is_shutdown() {
            tokio::select! {
                acks = self.ack_receiver.next() => match acks {
-                    Some(acks) => {self.handle_ack_receiver_item(acks).await}
+                    Some(acks) => self.handle_ack_receiver_item(acks).await,
                    None => {
                        log::trace!("AcknowledgementListener: Stopping since channel closed");
                        break;
@@ -3,13 +3,10 @@

 use crate::client::inbound_messages::{InputMessage, InputMessageReceiver};
 use crate::client::real_messages_control::message_handler::MessageHandler;
-use crate::client::real_messages_control::real_traffic_stream::RealMessage;
 use crate::client::replies::reply_controller::ReplyControllerSender;
 use log::*;
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::forwarding::packet::MixPacket;
-use nym_sphinx::params::PacketType;
 use nym_task::connections::TransmissionLane;
 use rand::{CryptoRng, Rng};

@@ -44,18 +41,6 @@ where
        }
    }

-    async fn handle_premade_packets(&mut self, packets: Vec<MixPacket>, lane: TransmissionLane) {
-        self.message_handler
-            .send_premade_mix_packets(
-                packets
-                    .into_iter()
-                    .map(|p| RealMessage::new(p, None))
-                    .collect(),
-                lane,
-            )
-            .await
-    }
-
    async fn handle_reply(
        &mut self,
        recipient_tag: AnonymousSenderTag,
@@ -72,11 +57,10 @@ where
        recipient: Recipient,
        content: Vec<u8>,
        lane: TransmissionLane,
-        packet_type: PacketType,
    ) {
        if let Err(err) = self
            .message_handler
-            .try_send_plain_message(recipient, content, lane, packet_type)
+            .try_send_plain_message(recipient, content, lane)
            .await
        {
            warn!("failed to send a plain message - {err}")
@@ -89,11 +73,10 @@ where
        content: Vec<u8>,
        reply_surbs: u32,
        lane: TransmissionLane,
-        packet_type: PacketType,
    ) {
        if let Err(err) = self
            .message_handler
-            .try_send_message_with_reply_surbs(recipient, content, reply_surbs, lane, packet_type)
+            .try_send_message_with_reply_surbs(recipient, content, reply_surbs, lane)
            .await
        {
            warn!("failed to send a repliable message - {err}")
@@ -106,17 +89,14 @@ where
                recipient,
                data,
                lane,
-            } => {
-                self.handle_plain_message(recipient, data, lane, PacketType::Mix)
-                    .await
-            }
+            } => self.handle_plain_message(recipient, data, lane).await,
            InputMessage::Anonymous {
                recipient,
                data,
                reply_surbs,
                lane,
            } => {
-                self.handle_repliable_message(recipient, data, reply_surbs, lane, PacketType::Mix)
+                self.handle_repliable_message(recipient, data, reply_surbs, lane)
                    .await
            }
            InputMessage::Reply {
@@ -126,41 +106,6 @@ where
            } => {
                self.handle_reply(recipient_tag, data, lane).await;
            }
-            InputMessage::Premade { msgs, lane } => self.handle_premade_packets(msgs, lane).await,
-            InputMessage::MessageWrapper {
-                message,
-                packet_type,
-            } => match *message {
-                InputMessage::Regular {
-                    recipient,
-                    data,
-                    lane,
-                } => {
-                    self.handle_plain_message(recipient, data, lane, packet_type)
-                        .await
-                }
-                InputMessage::Anonymous {
-                    recipient,
-                    data,
-                    reply_surbs,
-                    lane,
-                } => {
-                    self.handle_repliable_message(recipient, data, reply_surbs, lane, packet_type)
-                        .await
-                }
-                InputMessage::Reply {
-                    recipient_tag,
-                    data,
-                    lane,
-                } => {
-                    self.handle_reply(recipient_tag, data, lane).await;
-                }
-                InputMessage::Premade { msgs, lane } => {
-                    self.handle_premade_packets(msgs, lane).await
-                }
-                // MessageWrappers can't be nested
-                InputMessage::MessageWrapper { .. } => unimplemented!(),
-            },
        };
    }

@@ -16,7 +16,7 @@ use futures::channel::mpsc;
 use log::*;
 use nym_gateway_client::AcknowledgementReceiver;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::params::{PacketSize, PacketType};
+use nym_sphinx::params::PacketSize;
 use nym_sphinx::{
    acknowledgements::AckKey,
    addressing::clients::Recipient,
@@ -249,11 +249,7 @@ where
        }
    }

-    pub(super) fn start_with_shutdown(
-        self,
-        shutdown: nym_task::TaskClient,
-        packet_type: PacketType,
-    ) {
+    pub(super) fn start_with_shutdown(self, shutdown: nym_task::TaskClient) {
        let mut acknowledgement_listener = self.acknowledgement_listener;
        let mut input_message_listener = self.input_message_listener;
        let mut retransmission_request_listener = self.retransmission_request_listener;
@@ -279,7 +275,7 @@ where
        let shutdown_handle = shutdown.clone();
        spawn_future(async move {
            retransmission_request_listener
-                .run_with_shutdown(shutdown_handle, packet_type)
+                .run_with_shutdown(shutdown_handle)
                .await;
            debug!("The retransmission request listener has finished execution!");
        });
@@ -11,9 +11,9 @@ use crate::client::real_messages_control::real_traffic_stream::RealMessage;
 use crate::client::replies::reply_controller::ReplyControllerSender;
 use futures::StreamExt;
 use log::*;
+use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::chunking::fragment::Fragment;
 use nym_sphinx::preparer::PreparedFragment;
-use nym_sphinx::{addressing::clients::Recipient, params::PacketType};
 use nym_task::connections::TransmissionLane;
 use rand::{CryptoRng, Rng};
 use std::sync::{Arc, Weak};
@@ -48,20 +48,17 @@ where
        &mut self,
        packet_recipient: Recipient,
        chunk_data: Fragment,
-        packet_type: PacketType,
    ) -> Result<PreparedFragment, PreparationError> {
        debug!("retransmitting normal packet...");

-        // TODO: Figure out retransmission packet type signaling
        self.message_handler
-            .try_prepare_single_chunk_for_sending(packet_recipient, chunk_data, packet_type)
+            .try_prepare_single_chunk_for_sending(packet_recipient, chunk_data)
            .await
    }

    async fn on_retransmission_request(
        &mut self,
        weak_timed_out_ack: Weak<PendingAcknowledgement>,
-        packet_type: PacketType,
    ) {
        let timed_out_ack = match weak_timed_out_ack.upgrade() {
            Some(timed_out_ack) => timed_out_ack,
@@ -88,7 +85,6 @@ where
                self.prepare_normal_retransmission_chunk(
                    **recipient,
                    timed_out_ack.message_chunk.clone(),
-                    packet_type,
                )
                .await
            }
@@ -135,26 +131,19 @@ where
        // send to `OutQueueControl` to eventually send to the mix network
        self.message_handler
            .forward_messages(
-                vec![RealMessage::new(
-                    prepared_fragment.mix_packet,
-                    Some(frag_id),
-                )],
+                vec![RealMessage::new(prepared_fragment.mix_packet, frag_id)],
                TransmissionLane::Retransmission,
            )
            .await
    }

-    pub(super) async fn run_with_shutdown(
-        &mut self,
-        mut shutdown: nym_task::TaskClient,
-        packet_type: PacketType,
-    ) {
+    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
        debug!("Started RetransmissionRequestListener with graceful shutdown support");

        while !shutdown.is_shutdown() {
            tokio::select! {
                timed_out_ack = self.request_receiver.next() => match timed_out_ack {
-                    Some(timed_out_ack) => self.on_retransmission_request(timed_out_ack, packet_type).await,
+                    Some(timed_out_ack) => self.on_retransmission_request(timed_out_ack).await,
                    None => {
                        log::trace!("RetransmissionRequestListener: Stopping since channel closed");
                        break;
@@ -15,7 +15,7 @@ use nym_sphinx::anonymous_replies::requests::{AnonymousSenderTag, RepliableMessa
 use nym_sphinx::anonymous_replies::{ReplySurb, SurbEncryptionKey};
 use nym_sphinx::chunking::fragment::{Fragment, FragmentIdentifier};
 use nym_sphinx::message::NymMessage;
-use nym_sphinx::params::{PacketSize, PacketType, DEFAULT_NUM_MIX_HOPS};
+use nym_sphinx::params::{PacketSize, DEFAULT_NUM_MIX_HOPS};
 use nym_sphinx::preparer::{MessagePreparer, PreparedFragment};
 use nym_sphinx::Delay;
 use nym_task::connections::TransmissionLane;
@@ -27,7 +27,7 @@ use std::time::Duration;
 use thiserror::Error;

 // TODO: move that error elsewhere since it seems to be contaminating different files
-#[derive(Debug, Error)]
+#[derive(Debug, Clone, Error)]
 pub enum PreparationError {
    #[error(transparent)]
    NymTopologyError(#[from] NymTopologyError),
@@ -291,10 +291,8 @@ where
            .try_prepare_single_reply_chunk_for_sending(reply_surb, chunk_clone)
            .await?;

-        let real_messages = RealMessage::new(
-            prepared_fragment.mix_packet,
-            Some(chunk.fragment_identifier()),
-        );
+        let real_messages =
+            RealMessage::new(prepared_fragment.mix_packet, chunk.fragment_identifier());
        let delay = prepared_fragment.total_delay;
        let pending_ack =
            PendingAcknowledgement::new_anonymous(chunk, delay, target, is_extra_surb_request);
@@ -386,8 +384,7 @@ where
            let lane = raw.0;
            let fragment = raw.1;

-            let real_message =
-                RealMessage::new(prepared.mix_packet, Some(prepared.fragment_identifier));
+            let real_message = RealMessage::new(prepared.mix_packet, prepared.fragment_identifier);
            let delay = prepared.total_delay;
            let pending_ack = PendingAcknowledgement::new_anonymous(fragment, delay, target, false);

@@ -404,23 +401,14 @@ where
        Ok(())
    }

-    pub(crate) async fn send_premade_mix_packets(
-        &mut self,
-        msgs: Vec<RealMessage>,
-        lane: TransmissionLane,
-    ) {
-        self.forward_messages(msgs, lane).await;
-    }
-
    pub(crate) async fn try_send_plain_message(
        &mut self,
        recipient: Recipient,
        message: Vec<u8>,
        lane: TransmissionLane,
-        packet_type: PacketType,
    ) -> Result<(), PreparationError> {
        let message = NymMessage::new_plain(message);
-        self.try_split_and_send_non_reply_message(message, recipient, lane, packet_type)
+        self.try_split_and_send_non_reply_message(message, recipient, lane)
            .await
    }

@@ -429,9 +417,7 @@ where
        message: NymMessage,
        recipient: Recipient,
        lane: TransmissionLane,
-        packet_type: PacketType,
    ) -> Result<(), PreparationError> {
-        debug!("Sending non-reply message with packet type {packet_type}");
        // TODO: I really dislike existence of this assertion, it implies code has to be re-organised
        debug_assert!(!matches!(message, NymMessage::Reply(_)));

@@ -439,11 +425,7 @@ where
        let topology_permit = self.topology_access.get_read_permit().await;
        let topology = self.get_topology(&topology_permit)?;

-        let packet_size = if packet_type == PacketType::Outfox {
-            PacketSize::OutfoxRegularPacket
-        } else {
-            self.optimal_packet_size(&message)
-        };
+        let packet_size = self.optimal_packet_size(&message);
        debug!("Using {packet_size} packets for {message}");
        let fragments = self
            .message_preparer
@@ -460,13 +442,10 @@ where
                topology,
                &self.config.ack_key,
                &recipient,
-                packet_type,
            )?;

-            let real_message = RealMessage::new(
-                prepared_fragment.mix_packet,
-                Some(fragment.fragment_identifier()),
-            );
+            let real_message =
+                RealMessage::new(prepared_fragment.mix_packet, fragment.fragment_identifier());
            let delay = prepared_fragment.total_delay;
            let pending_ack = PendingAcknowledgement::new_known(fragment, delay, recipient);

@@ -484,9 +463,7 @@ where
        &mut self,
        recipient: Recipient,
        amount: u32,
-        packet_type: PacketType,
    ) -> Result<(), PreparationError> {
-        debug!("Sending additional reply SURBs with packet type {packet_type}");
        let sender_tag = self.get_or_create_sender_tag(&recipient);
        let (reply_surbs, reply_keys) =
            self.generate_reply_surbs_with_keys(amount as usize).await?;
@@ -500,7 +477,6 @@ where
            message,
            recipient,
            TransmissionLane::AdditionalReplySurbs,
-            packet_type,
        )
        .await?;

@@ -516,9 +492,7 @@ where
        message: Vec<u8>,
        num_reply_surbs: u32,
        lane: TransmissionLane,
-        packet_type: PacketType,
    ) -> Result<(), SurbWrappedPreparationError> {
-        debug!("Sending message with reply SURBs with packet type {packet_type}");
        let sender_tag = self.get_or_create_sender_tag(&recipient);
        let (reply_surbs, reply_keys) = self
            .generate_reply_surbs_with_keys(num_reply_surbs as usize)
@@ -527,7 +501,7 @@ where
        let message =
            NymMessage::new_repliable(RepliableMessage::new_data(message, sender_tag, reply_surbs));

-        self.try_split_and_send_non_reply_message(message, recipient, lane, packet_type)
+        self.try_split_and_send_non_reply_message(message, recipient, lane)
            .await?;

        log::trace!("storing {} reply keys", reply_keys.len());
@@ -540,21 +514,13 @@ where
        &mut self,
        recipient: Recipient,
        chunk: Fragment,
-        packet_type: PacketType,
    ) -> Result<PreparedFragment, PreparationError> {
-        debug!("Sending single chunk with packet type {packet_type}");
        let topology_permit = self.topology_access.get_read_permit().await;
        let topology = self.get_topology(&topology_permit)?;

        let prepared_fragment = self
            .message_preparer
-            .prepare_chunk_for_sending(
-                chunk,
-                topology,
-                &self.config.ack_key,
-                &recipient,
-                packet_type,
-            )
+            .prepare_chunk_for_sending(chunk, topology, &self.config.ack_key, &recipient)
            .unwrap();

        Ok(prepared_fragment)
@@ -565,7 +531,7 @@ where
        fragments: Vec<Fragment>,
        reply_surbs: Vec<ReplySurb>,
    ) -> Result<Vec<PreparedFragment>, SurbWrappedPreparationError> {
-        debug_assert_eq!(
+        debug_assert_ne!(
            fragments.len(),
            reply_surbs.len(),
            "attempted to send {} fragments with {} reply surbs",
@@ -590,7 +556,6 @@ where
                        topology,
                        &self.config.ack_key,
                        reply_surb,
-                        PacketType::Mix,
                    )
                    .unwrap()
            })
@@ -610,13 +575,7 @@ where

        let prepared_fragment = self
            .message_preparer
-            .prepare_reply_chunk_for_sending(
-                chunk,
-                topology,
-                &self.config.ack_key,
-                reply_surb,
-                PacketType::Mix,
-            )
+            .prepare_reply_chunk_for_sending(chunk, topology, &self.config.ack_key, reply_surb)
            .unwrap();

        Ok(prepared_fragment)
@@ -26,7 +26,6 @@ use log::*;
 use nym_gateway_client::AcknowledgementReceiver;
 use nym_sphinx::acknowledgements::AckKey;
 use nym_sphinx::addressing::clients::Recipient;
-use nym_sphinx::params::PacketType;
 use nym_task::connections::{ConnectionCommandReceiver, LaneQueueLengths};
 use rand::{rngs::OsRng, CryptoRng, Rng};
 use std::sync::Arc;
@@ -208,7 +207,7 @@ impl RealMessagesController<OsRng> {
        }
    }

-    pub fn start_with_shutdown(self, shutdown: nym_task::TaskClient, packet_type: PacketType) {
+    pub fn start_with_shutdown(self, shutdown: nym_task::TaskClient) {
        let mut out_queue_control = self.out_queue_control;
        let ack_control = self.ack_control;
        let mut reply_control = self.reply_control;
@@ -224,6 +223,6 @@ impl RealMessagesController<OsRng> {
            debug!("The reply controller has finished execution!");
        });

-        ack_control.start_with_shutdown(shutdown, packet_type);
+        ack_control.start_with_shutdown(shutdown);
    }
 }
@@ -1,4 +1,4 @@
-// Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

 use self::sending_delay_controller::SendingDelayController;
@@ -92,7 +92,7 @@ where
    // messages.
    sending_delay_controller: SendingDelayController,

-    /// Channel used for sending prepared packets to `MixTrafficController` that sends them
+    /// Channel used for sending prepared sphinx packets to `MixTrafficController` that sends them
    /// out to the network without any further delays.
    mix_tx: BatchMixMessageSender,

@@ -121,7 +121,7 @@ where
 #[derive(Debug)]
 pub(crate) struct RealMessage {
    mix_packet: MixPacket,
-    fragment_id: Option<FragmentIdentifier>,
+    fragment_id: FragmentIdentifier,
    // TODO: add info about it being constructed with reply-surb
 }

@@ -129,17 +129,17 @@ impl From<PreparedFragment> for RealMessage {
    fn from(fragment: PreparedFragment) -> Self {
        RealMessage {
            mix_packet: fragment.mix_packet,
-            fragment_id: Some(fragment.fragment_identifier),
+            fragment_id: fragment.fragment_identifier,
        }
    }
 }

 impl RealMessage {
    pub(crate) fn packet_size(&self) -> usize {
-        self.mix_packet.packet().len()
+        self.mix_packet.sphinx_packet().len()
    }

-    pub(crate) fn new(mix_packet: MixPacket, fragment_id: Option<FragmentIdentifier>) -> Self {
+    pub(crate) fn new(mix_packet: MixPacket, fragment_id: FragmentIdentifier) -> Self {
        RealMessage {
            mix_packet,
            fragment_id,
@@ -247,7 +247,6 @@ where
                        self.config.average_ack_delay,
                        self.config.traffic.average_packet_delay,
                        cover_traffic_packet_size,
-                        self.config.traffic.packet_type,
                    )
                    .expect(
                        "Somehow failed to generate a loop cover message with a valid topology",
@@ -256,7 +255,7 @@ where
                )
            }
            StreamMessage::Real(real_message) => {
-                (real_message.mix_packet, real_message.fragment_id)
+                (real_message.mix_packet, Some(real_message.fragment_id))
            }
        };

@@ -387,7 +386,7 @@ where

            // On every iteration we get new messages from upstream. Given that these come bunched
            // in `Vec`, this ensures that on average we will fetch messages faster than we can
-            // send, which is a condition for being able to multiplex packets from multiple
+            // send, which is a condition for being able to multiplex sphinx packets from multiple
            // data streams.
            match Pin::new(&mut self.real_receiver).poll_recv(cx) {
                // in the case our real message channel stream was closed, we should also indicate we are closed
@@ -512,11 +512,7 @@ where
            let to_send = min(remaining, 100);
            if let Err(err) = self
                .message_handler
-                .try_send_additional_reply_surbs(
-                    recipient,
-                    to_send,
-                    nym_sphinx::params::PacketType::Mix,
-                )
+                .try_send_additional_reply_surbs(recipient, to_send)
                .await
            {
                warn!("failed to send additional surbs to {recipient} - {err}");
@@ -5,6 +5,8 @@ use crate::client::replies::reply_storage::backend::Empty;
 use crate::client::replies::reply_storage::{CombinedReplyStorage, ReplyStorageBackend};
 use async_trait::async_trait;

+use std::path::PathBuf;
+
 // well, right now we don't have the browser storage : (
 // so we keep everything in memory
 #[derive(Debug)]
@@ -27,6 +29,22 @@ impl Backend {
 impl ReplyStorageBackend for Backend {
    type StorageError = <Empty as ReplyStorageBackend>::StorageError;

+    async fn new(
+        debug_config: &crate::config::DebugConfig,
+        _db_path: Option<PathBuf>,
+    ) -> Result<Self, Self::StorageError> {
+        Ok(Backend {
+            empty: Empty {
+                min_surb_threshold: debug_config
+                    .reply_surbs
+                    .minimum_reply_surb_storage_threshold,
+                max_surb_threshold: debug_config
+                    .reply_surbs
+                    .maximum_reply_surb_storage_threshold,
+            },
+        })
+    }
+
    async fn flush_surb_storage(
        &mut self,
        storage: &CombinedReplyStorage,
@@ -41,4 +59,8 @@ impl ReplyStorageBackend for Backend {
    async fn load_surb_storage(&self) -> Result<CombinedReplyStorage, Self::StorageError> {
        self.empty.load_surb_storage().await
    }
+
+    fn get_inactive_storage(&self) -> Result<CombinedReplyStorage, Self::StorageError> {
+        self.empty.get_inactive_storage()
+    }
 }
--- a/Show More
+++ b/Show More