If not exists

.dockerignore

@@ -4,3 +4,4 @@
 **/node_modules
 **/target
 dist
+documentation

.gitattributes

@@ -1 +0,0 @@
-nym-validator-rewarder/.sqlx/** diff=nodiff

.github/dependabot.yml

@@ -31,5 +31,3 @@ updates:
         update-types:
           - "patch"
     open-pull-requests-limit: 10
-    assignees:
-      - "octol"

.github/workflows/ci-build-upload-binaries.yml

@@ -79,6 +79,7 @@ jobs:
             target/release/nym-socks5-client
             target/release/nym-api
             target/release/nym-network-requester
+            target/release/nym-data-observatory
             target/release/nym-cli
             target/release/nymvisor
             target/release/nym-node
@@ -96,6 +97,7 @@ jobs:
           cp target/release/nym-socks5-client $OUTPUT_DIR
           cp target/release/nym-api $OUTPUT_DIR
           cp target/release/nym-network-requester $OUTPUT_DIR
+          cp target/release/nym-data-observatory $OUTPUT_DIR
           cp target/release/nymvisor $OUTPUT_DIR
           cp target/release/nym-node $OUTPUT_DIR
           cp target/release/nym-cli $OUTPUT_DIR

.github/workflows/ci-build.yml

@@ -8,18 +8,16 @@ on:
       - 'explorer-api/**'
       - 'gateway/**'
       - 'integrations/**'
-      - 'nym-api/**'
+      - 'mixnode/**'
-      - 'nym-credential-proxy/**'
-      - 'nym-network-monitor/**'
-      - 'nym-node/**'
-      - 'nym-node-status-api/**'
-      - 'nym-outfox/**'
-      - 'nym-validator-rewarder/**'
-      - 'nyx-chain-watcher/**'
-      - 'sdk/ffi/**'
       - 'sdk/rust/**'
+      - 'sdk/lib/**'
       - 'service-providers/**'
-      - 'nym-browser-extension/storage/**'
+      - 'nym-network-monitor/**'
+      - 'nym-api/**'
+      - 'nym-node/**'
+      - 'nym-outfox/**'
+      - 'nym-data-observatory/**'
+      - 'nym-validator-rewarder/**'
       - 'tools/**'
       - 'wasm/**'
       - 'Cargo.toml'
@@ -32,11 +30,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ arc-ubuntu-20.04, custom-windows-11, custom-runner-mac-m1 ]
+        os: [ arc-ubuntu-20.04, custom-runner-mac-m1 ]
     runs-on: ${{ matrix.os }}
     env:
       CARGO_TERM_COLOR: always
-      IPINFO_API_TOKEN: ${{ secrets.IPINFO_API_TOKEN }}
     steps:
       - name: Install Dependencies (Linux)
         run: sudo apt-get update && sudo apt-get -y install libwebkit2gtk-4.0-dev build-essential curl wget libssl-dev libgtk-3-dev libudev-dev squashfs-tools protobuf-compiler
@@ -54,20 +51,6 @@ jobs:
           override: true
           components: rustfmt, clippy
 
-      # To avoid running out of disk space, skip generating debug symbols
-      - name: Set debug to false (unix)
-        if: contains(matrix.os, 'ubuntu') || contains(matrix.os, 'mac')
-        run: |
-          sed -i.bak 's/\[profile.dev\]/\[profile.dev\]\ndebug = false/' Cargo.toml
-          git diff
-
-      - name: Set debug to false (win)
-        if: contains(matrix.os, 'windows')
-        shell: pwsh
-        run: |
-          (Get-Content Cargo.toml) -replace '\[profile.dev\]', "`$&`ndebug = false" | Set-Content Cargo.toml
-          git diff
-
       - name: Check formatting
         uses: actions-rs/cargo@v1
         with:

.github/workflows/ci-contracts.yml

@@ -9,8 +9,6 @@ on:
     paths:
       - 'contracts/**'
       - 'common/**'
-      - 'Cargo.lock'
-      - 'Cargo.toml'
       - '.github/workflows/ci-contracts.yml'
 
 jobs:

.github/workflows/ci-nym-wallet-rust.yml

@@ -30,12 +30,6 @@ jobs:
           override: true
           components: rustfmt, clippy
 
-      - name: Set debug to false
-        working-directory: nym-wallet
-        run: |
-          sed -i.bak '1s/^/\[profile.dev\]\ndebug = false\n\n/' Cargo.toml
-          git diff
-
       - name: Build all binaries
         uses: actions-rs/cargo@v1
         with:

.github/workflows/ci-sdk-wasm.yml

@@ -1,7 +1,6 @@
 name: ci-sdk-wasm
 
 on:
-  workflow_dispatch:
   pull_request:
     paths:
       - 'wasm/**'
@@ -45,11 +44,6 @@ jobs:
       - name: Install wasm-bindgen-cli
         run: cargo install wasm-bindgen-cli
 
-      - name: Set debug to false
-        run: |
-          sed -i.bak 's/\[profile.dev\]/\[profile.dev\]\ndebug = false/' Cargo.toml
-          git diff
-
       - name: "Build"
         run: make sdk-wasm-build
 

.github/workflows/nightly-build.yml

@@ -15,7 +15,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       CARGO_TERM_COLOR: always
-      IPINFO_API_TOKEN: ${{ secrets.IPINFO_API_TOKEN }}
     continue-on-error: true
     steps:
       - name: Check out repository code

.github/workflows/publish-nyms5-android-apk.yml

@@ -56,6 +56,14 @@ jobs:
           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:

.github/workflows/push-credential-proxy.yaml

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
+        uses: mikefarah/yq@v4.44.5
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-credential-proxy/Cargo.toml

.github/workflows/push-data-observatory.yaml

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
+        uses: mikefarah/yq@v4.44.5
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

.github/workflows/push-network-monitor.yaml

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
+        uses: mikefarah/yq@v4.44.5
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-network-monitor/Cargo.toml

.github/workflows/push-node-status-agent.yaml

@@ -8,7 +8,7 @@ on:
         description: Which gateway probe git ref to build the image with
 
 env:
-  WORKING_DIRECTORY: "nym-node-status-api/nym-node-status-agent"
+  WORKING_DIRECTORY: "nym-node-status-agent"
   CONTAINER_NAME: "node-status-agent"
 
 jobs:
@@ -31,7 +31,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
+        uses: mikefarah/yq@v4.44.5
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -58,4 +58,4 @@ jobs:
       - name: BuildAndPushImageOnHarbor
         run: |
           docker build --build-arg GIT_REF=${{ github.event.inputs.gateway_probe_git_ref }} -f ${{ env.WORKING_DIRECTORY }}/Dockerfile . -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}
-          docker push harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }} --all-tags
+          docker push harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }} --all-tags

.github/workflows/push-node-status-api.yaml

@@ -3,7 +3,7 @@ on:
   workflow_dispatch:
 
 env:
-  WORKING_DIRECTORY: "nym-node-status-api/nym-node-status-api"
+  WORKING_DIRECTORY: "nym-node-status-api"
   CONTAINER_NAME: "node-status-api"
 
 jobs:
@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
+        uses: mikefarah/yq@v4.44.5
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

.github/workflows/push-nym-node.yaml

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
+        uses: mikefarah/yq@v4.44.5
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

.github/workflows/push-nyx-chain-watcher.yaml

@@ -1,55 +0,0 @@
-name: Build and upload Nyx Chain Watcher container to harbor.nymte.ch
-on:
-  workflow_dispatch:
-
-env:
-  WORKING_DIRECTORY: "nyx-chain-watcher"
-  CONTAINER_NAME: "nyx-chain-watcher"
-
-jobs:
-  build-container:
-    runs-on: arc-ubuntu-22.04-dind
-    steps:
-      - name: Login to Harbor
-        uses: docker/login-action@v3
-        with:
-          registry: harbor.nymte.ch
-          username: ${{ secrets.HARBOR_ROBOT_USERNAME }}
-          password: ${{ secrets.HARBOR_ROBOT_SECRET }}
-
-      - name: Checkout repo
-        uses: actions/checkout@v4
-
-      - name: Configure git identity
-        run: |
-          git config --global user.email "lawrence@nymtech.net"
-          git config --global user.name "Lawrence Stalder"
-
-      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
-        id: get_version
-        with:
-          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
-
-      - name: Check if tag exists
-        run: |
-          if git rev-parse ${{ steps.get_version.outputs.value }} >/dev/null 2>&1; then
-            echo "Tag ${{ steps.get_version.outputs.value }} already exists"
-          fi
-
-      - name: Remove existing tag if exists
-        run: |
-          if git rev-parse ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }} >/dev/null 2>&1; then
-            git push --delete origin ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}
-            git tag -d ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}
-          fi
-
-      - name: Create tag
-        run: |
-          git tag -a ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }} -m "Version ${{ steps.get_version.outputs.result }}"
-          git push origin ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}
-
-      - name: BuildAndPushImageOnHarbor
-        run: |
-          docker build -f ${{ env.WORKING_DIRECTORY }}/Dockerfile . -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:${{ steps.get_version.outputs.result }} -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:latest
-          docker push harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }} --all-tags

.github/workflows/push-validator-rewarder.yaml

@@ -26,10 +26,10 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.1
+        uses: mikefarah/yq@v4.44.5
         id: get_version
         with:
-          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
+          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-credential-proxy/Cargo.toml
 
       - name: Remove existing tag if exists
         run: |

.gitignore

@@ -51,11 +51,4 @@ ppa-private-key.b64
 ppa-private-key.asc
 nym-network-monitor/topology.json
 nym-network-monitor/__pycache__
-nym-network-monitor/*.key
+nym-network-monitor/*.key
-nym-network-monitor/.envrc
-nym-network-monitor/.envrc
-nym-api/redocly/formatted-openapi.json
-
-
-*.sqlite
-.build

CHANGELOG.md

@@ -4,353 +4,6 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://
 
 ## [Unreleased]
 
-## [2025.3-ruta] (2025-02-10)
-
-- Push down forget me to client configs ([#5431])
-- Fix statistics shutdown ([#5426])
-- Make wait_for_graceful_shutdown to be pub ([#5424])
-- Upgrade to thiserror 2.0 ([#5414])
-- build(deps): bump the patch-updates group across 1 directory with 9 updates ([#5406])
-- Relocate a validator api function ([#5401])
-- Send shutdown instead of panic when reaching max fail ([#5398])
-- Change Explorer URL to new smooshed nodes ([#5396])
-- reduce log severity for checking topology validity ([#5395])
-- MixnetClient can send ClientRequests ([#5381])
-- Fix missing path triggers for CI ([#5380])
-- Uncouple storage reference for bandwidth client ([#5372])
-- build(deps): bump tokio from 1.40.0 to 1.43.0 ([#5370])
-- DNS resolver configuration for internal HTTP client lookups ([#5355])
-- Update README.md ([#5328])
-- Update README.md ([#5327])
-
-[#5431]: https://github.com/nymtech/nym/pull/5431
-[#5426]: https://github.com/nymtech/nym/pull/5426
-[#5424]: https://github.com/nymtech/nym/pull/5424
-[#5414]: https://github.com/nymtech/nym/pull/5414
-[#5406]: https://github.com/nymtech/nym/pull/5406
-[#5401]: https://github.com/nymtech/nym/pull/5401
-[#5398]: https://github.com/nymtech/nym/pull/5398
-[#5396]: https://github.com/nymtech/nym/pull/5396
-[#5395]: https://github.com/nymtech/nym/pull/5395
-[#5381]: https://github.com/nymtech/nym/pull/5381
-[#5380]: https://github.com/nymtech/nym/pull/5380
-[#5372]: https://github.com/nymtech/nym/pull/5372
-[#5370]: https://github.com/nymtech/nym/pull/5370
-[#5355]: https://github.com/nymtech/nym/pull/5355
-[#5328]: https://github.com/nymtech/nym/pull/5328
-[#5327]: https://github.com/nymtech/nym/pull/5327
-
-## [2025.2-hu] (2025-02-04)
-
-- Feature/remove double spending bloomfilter ([#5417])
-- HU - Downgrade harmless log message from info to debug ([#5405])
-- lower default ticket verification quorum to 0.7 ([#5404])
-- Downgrade harmless log message from info to debug ([#5403])
-- Redirect from mixnode page to nodes page ([#5397])
-- chore :update version of chain watcher and validator rewarder ([#5394])
-- bugfix: correctly handle ingore epoch roles flag ([#5390])
-- bugfix: terminate mixnet socket listener on shutdown ([#5389])
-- feat: make client ignore dual mode nodes by default ([#5388])
-- Handle ecash network errors differently ([#5378])
-- Remove empty ephemeral keys ([#5376])
-- fixed sql migration for adding default message timestamp ([#5374])
-- Bind to [::] on nym-node for both IP versions ([#5361])
-- exposed NymApiClient method for obtaining node performance history ([#5360])
-- Client gateway selection ([#5358])
-- chore: refresh wasm sdk ([#5353])
-- chore: update indexed_db_futures ([#5347])
-- build(deps): bump mikefarah/yq from 4.44.6 to 4.45.1 ([#5342])
-- updated cosmrs and tendermint-rpc to their most recent versions ([#5339])
-- build(deps): bump ts-rs from 10.0.0 to 10.1.0 ([#5338])
-- build(deps): bump tempfile from 3.14.0 to 3.15.0 ([#5337])
-- build(deps): bump the patch-updates group with 8 updates ([#5336])
-- feature: introduce /load endpoint for self-reported quantised NymNode load ([#5326])
-- feature: `CancellationToken`-based shutdowns ([#5325])
-- Use expect in geodata test to give error message on failure ([#5314])
-- feature: periodically remove stale gateway messages ([#5312])
-- build(deps): bump the patch-updates group across 1 directory with 35 updates ([#5310])
-- Add dependabot assignes for the root cargo ecosystem ([#5297])
-- Move tun constants to network defaults ([#5286])
-- Include IPINFO_API_TOKEN in nightly CI ([#5285])
-- Nyx Chain Watcher ([#5274])
-- bugfix: remove unnecessary arguments for nym-api swagger endpoints ([#5272])
-- feature: nym topology revamp ([#5271])
-- Add windows to CI builds ([#5269])
-- http-api-client: deduplicate code ([#5267])
-- build(deps): bump http from 1.1.0 to 1.2.0 ([#5228])
-- NS API: add mixnet scraper ([#5200])
-- build(deps): bump criterion from 0.4.0 to 0.5.1 ([#4911])
-
-[#5417]: https://github.com/nymtech/nym/pull/5417
-[#5405]: https://github.com/nymtech/nym/pull/5405
-[#5404]: https://github.com/nymtech/nym/pull/5404
-[#5403]: https://github.com/nymtech/nym/pull/5403
-[#5397]: https://github.com/nymtech/nym/pull/5397
-[#5394]: https://github.com/nymtech/nym/pull/5394
-[#5390]: https://github.com/nymtech/nym/pull/5390
-[#5389]: https://github.com/nymtech/nym/pull/5389
-[#5388]: https://github.com/nymtech/nym/pull/5388
-[#5378]: https://github.com/nymtech/nym/pull/5378
-[#5376]: https://github.com/nymtech/nym/pull/5376
-[#5374]: https://github.com/nymtech/nym/pull/5374
-[#5361]: https://github.com/nymtech/nym/pull/5361
-[#5360]: https://github.com/nymtech/nym/pull/5360
-[#5358]: https://github.com/nymtech/nym/pull/5358
-[#5353]: https://github.com/nymtech/nym/pull/5353
-[#5347]: https://github.com/nymtech/nym/pull/5347
-[#5342]: https://github.com/nymtech/nym/pull/5342
-[#5339]: https://github.com/nymtech/nym/pull/5339
-[#5338]: https://github.com/nymtech/nym/pull/5338
-[#5337]: https://github.com/nymtech/nym/pull/5337
-[#5336]: https://github.com/nymtech/nym/pull/5336
-[#5326]: https://github.com/nymtech/nym/pull/5326
-[#5325]: https://github.com/nymtech/nym/pull/5325
-[#5314]: https://github.com/nymtech/nym/pull/5314
-[#5312]: https://github.com/nymtech/nym/pull/5312
-[#5310]: https://github.com/nymtech/nym/pull/5310
-[#5297]: https://github.com/nymtech/nym/pull/5297
-[#5286]: https://github.com/nymtech/nym/pull/5286
-[#5285]: https://github.com/nymtech/nym/pull/5285
-[#5274]: https://github.com/nymtech/nym/pull/5274
-[#5272]: https://github.com/nymtech/nym/pull/5272
-[#5271]: https://github.com/nymtech/nym/pull/5271
-[#5269]: https://github.com/nymtech/nym/pull/5269
-[#5267]: https://github.com/nymtech/nym/pull/5267
-[#5228]: https://github.com/nymtech/nym/pull/5228
-[#5200]: https://github.com/nymtech/nym/pull/5200
-[#4911]: https://github.com/nymtech/nym/pull/4911
-
-## [2025.1-reeses] (2025-01-15)
-
-- Feture/legacy alert ([#5346])
-- chore: readjusted --mode behaviour to fix the regression ([#5331])
-- chore: apply 1.84 linter suggestions ([#5330])
-- bugfix: make sure refresh data key matches bond info ([#5329])
-- reduce log severity for number of packets being delayed ([#5321])
-- feat: warn users if node is run in exit mode only ([#5320])
-- Bugfix/contract version assignment ([#5318])
-- fixed client session histogram buckets ([#5316])
-- amend 250gb limit ([#5313])
-- feature: expand nym-node prometheus metrics ([#5298])
-- Cherry picked #5286 ([#5287])
-- Add close to credential storage ([#5283])
-- feature: wireguard metrics ([#5278])
-- Add PATCH support to nym-http-api-client ([#5260])
-- chore: removed legacy socks5 listener ([#5259])
-- bugfix: make sure to apply gateway score filtering when choosing initial node ([#5256])
-- Update TS bindings ([#5255])
-- Add conversion unit tests for auth msg ([#5251])
-- Add control messages to GatewayTransciver ([#5247])
-- Remove unneeded async function annotation ([#5246])
-- bugfix: make sure to update timestamp of last batch verification to prevent double redemption ([#5239])
-- Add FromStr impl for UserAgent ([#5236])
-- Extend swagger docs ([#5235])
-- TicketType derive Hash and Eq ([#5233])
-- Add fd callback to client core ([#5230])
-- Extend raw ws fd for gateway client ([#5218])
-- Shipping raw metrics to PG ([#5216])
-- Change sqlite journal mode to WAL ([#5213])
-- Derive serialize for UserAgent ([#5210])
-- Restore Location fields ([#5208])
-- better date serialization ([#5207])
-- Fix overflow ([#5204])
-- feature: hopefully final steps of the smoosh™️ ([#5201])
-- Fix overflow ([#5184])
-- NS API - Gateway stats scraping ([#5180])
-- introduced initial internal commands for nym-cli: ecash key and request generation ([#5174])
-- Move NS client to separate package under NS API ([#5171])
-- build(deps): bump micromatch from 4.0.4 to 4.0.8 in /testnet-faucet ([#4813])
-
-[#5346]: https://github.com/nymtech/nym/pull/5346
-[#5331]: https://github.com/nymtech/nym/pull/5331
-[#5330]: https://github.com/nymtech/nym/pull/5330
-[#5329]: https://github.com/nymtech/nym/pull/5329
-[#5321]: https://github.com/nymtech/nym/pull/5321
-[#5320]: https://github.com/nymtech/nym/pull/5320
-[#5318]: https://github.com/nymtech/nym/pull/5318
-[#5316]: https://github.com/nymtech/nym/pull/5316
-[#5313]: https://github.com/nymtech/nym/pull/5313
-[#5298]: https://github.com/nymtech/nym/pull/5298
-[#5287]: https://github.com/nymtech/nym/pull/5287
-[#5283]: https://github.com/nymtech/nym/pull/5283
-[#5278]: https://github.com/nymtech/nym/pull/5278
-[#5260]: https://github.com/nymtech/nym/pull/5260
-[#5259]: https://github.com/nymtech/nym/pull/5259
-[#5256]: https://github.com/nymtech/nym/pull/5256
-[#5255]: https://github.com/nymtech/nym/pull/5255
-[#5251]: https://github.com/nymtech/nym/pull/5251
-[#5247]: https://github.com/nymtech/nym/pull/5247
-[#5246]: https://github.com/nymtech/nym/pull/5246
-[#5239]: https://github.com/nymtech/nym/pull/5239
-[#5236]: https://github.com/nymtech/nym/pull/5236
-[#5235]: https://github.com/nymtech/nym/pull/5235
-[#5233]: https://github.com/nymtech/nym/pull/5233
-[#5230]: https://github.com/nymtech/nym/pull/5230
-[#5218]: https://github.com/nymtech/nym/pull/5218
-[#5216]: https://github.com/nymtech/nym/pull/5216
-[#5213]: https://github.com/nymtech/nym/pull/5213
-[#5210]: https://github.com/nymtech/nym/pull/5210
-[#5208]: https://github.com/nymtech/nym/pull/5208
-[#5207]: https://github.com/nymtech/nym/pull/5207
-[#5204]: https://github.com/nymtech/nym/pull/5204
-[#5201]: https://github.com/nymtech/nym/pull/5201
-[#5184]: https://github.com/nymtech/nym/pull/5184
-[#5180]: https://github.com/nymtech/nym/pull/5180
-[#5174]: https://github.com/nymtech/nym/pull/5174
-[#5171]: https://github.com/nymtech/nym/pull/5171
-[#4813]: https://github.com/nymtech/nym/pull/4813
-
-## [2024.14-crunch-patched] (2024-12-17)
-
-- Fixes an issue to allow previously registred clients to connect to latest nym-nodes
-- Fixes compatibility issues between nym-nodes and older clients
-
-## [2024.14-crunch] (2024-12-11)
-
-- Merge/release/2024.14-crunch ([#5242])
-- bugfix: added explicit openapi servers to account for route prefixes ([#5237])
-- Further config score adjustments ([#5225])
-- feature: remve any filtering on node semver ([#5224])
-- Backport #5218 ([#5220])
-- Derive serialize for UserAgent (#5210) ([#5217])
-- dont consider legacy nodes for rewarded set selection ([#5215])
-- introduce UNSTABLE endpoints for returning network monitor run details ([#5214])
-- Nmv2 add debug config ([#5212])
-- nym-api NMv1 adjustments ([#5209])
-- adjusted config score penalty calculation ([#5206])
-- Fix backwards compat mac generation ([#5202])
-- merge crunch into develop ([#5199])
-- Update Security disclosure email, public key and policy ([#5195])
-- Guard storage access with cache ([#5193])
-- chore: apply 1.84 linter suggestions ([#5192])
-- improvement: make internal gateway clients use the same topology cache ([#5191])
-- Bugfix/credential proxy sequencing ([#5187])
-- Add monitor_run and testing_route indexes ([#5182])
-- Add indexes to monitor run and testing route ([#5181])
-- bugfix: fixed nym-node config migrations (again) ([#5179])
-- bugfix: use default value for verloc config when deserialising missing values ([#5177])
-- Remove peers with no allowed ip from storage ([#5175])
-- Move two minor jobs to free tier github hosted runners ([#5169])
-- Add support for DELETE to nym-http-api-client ([#5166])
-- Fix env var name ([#5165])
-- Add strum::EnumIter for TicketType ([#5164])
-- Add export_to_env to NymNetworkDetails ([#5162])
-- bugfix: correctly expose ecash-related data on nym-api ([#5155])
-- fix: validator-rewarder GH job ([#5151])
-- build(deps): bump cross-spawn from 7.0.3 to 7.0.6 in /testnet-faucet ([#5150])
-- build(deps): bump mikefarah/yq from 4.44.3 to 4.44.5 ([#5149])
-- start session collection for exit gateways ([#5148])
-- add version to clientStatsReport ([#5147])
-- update serde_json_path due to compilation issue ([#5144])
-- chore: remove standalone legacy mixnode/gateway binaries ([#5135])
-- [Product Data] Set up country reporting from vpn-client ([#5134])
-- removed ci-nym-api-tests.yml which was running outdated (and broken) tests ([#5133])
-- CI: reduce jobs running on cluster ([#5132])
-- [DOCS/operators]: Release changes v2024.13-magura & Tokenomics pages v1.0 ([#5128])
-- NS Agent auth with NS API ([#5127])
-- [Product Data] Config deserialization bug fix ([#5126])
-- bugfix: don't send empty BankMsg in ecash contract ([#5121])
-- [Product data] Data consumption with ecash ticket ([#5120])
-- feat: add GH workflow for nym-validator-rewarder ([#5119])
-- feat: add Dockerfile and add env vars for clap arguments ([#5118])
-- feature: config score ([#5117])
-- [Product Data] Add stats reporting configuration in client config  ([#5115])
-- Correct IPv6 address generation ([#5113])
-- feature: rewarding for ticketbook issuance ([#5112])
-- Add granular log on nym-node ([#5111])
-- Send mixnet packet stats using task client ([#5109])
-- Expose time range ([#5108])
-- [Product Data] Client-side stats collection  ([#5107])
-- chore: ecash contract migration to remove unused 'redemption_gateway_share' ([#5104])
-- [Product Data] Better unique user count on gateways ([#5084])
-- feat: add nym node GH workflow ([#5080])
-- IPv6 support for wireguard ([#5059])
-- Node Status API ([#5050])
-- Authenticator CLI client mode ([#5044])
-- Integrate nym-credential-proxy into workspace ([#5027])
-- [Product Data] Introduce data persistence on gateways ([#5022])
-- Bump the patch-updates group across 1 directory with 10 updates ([#5011])
-- build(deps): bump once_cell from 1.19.0 to 1.20.2 ([#4952])
-- Create TaskStatusEvent trait instead of piggybacking on Error ([#4919])
-- build(deps): bump lazy_static from 1.4.0 to 1.5.0 ([#4913])
-- Sync code with .env in build.rs ([#4876])
-- build(deps): bump axios from 1.6.0 to 1.7.5 in /nym-api/tests ([#4790])
-- Bump elliptic from 6.5.4 to 6.5.7 in /testnet-faucet ([#4768])
-
-[#5242]: https://github.com/nymtech/nym/pull/5242
-[#5237]: https://github.com/nymtech/nym/pull/5237
-[#5225]: https://github.com/nymtech/nym/pull/5225
-[#5224]: https://github.com/nymtech/nym/pull/5224
-[#5220]: https://github.com/nymtech/nym/pull/5220
-[#5217]: https://github.com/nymtech/nym/pull/5217
-[#5215]: https://github.com/nymtech/nym/pull/5215
-[#5214]: https://github.com/nymtech/nym/pull/5214
-[#5212]: https://github.com/nymtech/nym/pull/5212
-[#5209]: https://github.com/nymtech/nym/pull/5209
-[#5206]: https://github.com/nymtech/nym/pull/5206
-[#5202]: https://github.com/nymtech/nym/pull/5202
-[#5199]: https://github.com/nymtech/nym/pull/5199
-[#5195]: https://github.com/nymtech/nym/pull/5195
-[#5193]: https://github.com/nymtech/nym/pull/5193
-[#5192]: https://github.com/nymtech/nym/pull/5192
-[#5191]: https://github.com/nymtech/nym/pull/5191
-[#5187]: https://github.com/nymtech/nym/pull/5187
-[#5182]: https://github.com/nymtech/nym/pull/5182
-[#5181]: https://github.com/nymtech/nym/pull/5181
-[#5179]: https://github.com/nymtech/nym/pull/5179
-[#5177]: https://github.com/nymtech/nym/pull/5177
-[#5175]: https://github.com/nymtech/nym/pull/5175
-[#5169]: https://github.com/nymtech/nym/pull/5169
-[#5166]: https://github.com/nymtech/nym/pull/5166
-[#5165]: https://github.com/nymtech/nym/pull/5165
-[#5164]: https://github.com/nymtech/nym/pull/5164
-[#5162]: https://github.com/nymtech/nym/pull/5162
-[#5155]: https://github.com/nymtech/nym/pull/5155
-[#5151]: https://github.com/nymtech/nym/pull/5151
-[#5150]: https://github.com/nymtech/nym/pull/5150
-[#5149]: https://github.com/nymtech/nym/pull/5149
-[#5148]: https://github.com/nymtech/nym/pull/5148
-[#5147]: https://github.com/nymtech/nym/pull/5147
-[#5144]: https://github.com/nymtech/nym/pull/5144
-[#5135]: https://github.com/nymtech/nym/pull/5135
-[#5134]: https://github.com/nymtech/nym/pull/5134
-[#5133]: https://github.com/nymtech/nym/pull/5133
-[#5132]: https://github.com/nymtech/nym/pull/5132
-[#5128]: https://github.com/nymtech/nym/pull/5128
-[#5127]: https://github.com/nymtech/nym/pull/5127
-[#5126]: https://github.com/nymtech/nym/pull/5126
-[#5121]: https://github.com/nymtech/nym/pull/5121
-[#5120]: https://github.com/nymtech/nym/pull/5120
-[#5119]: https://github.com/nymtech/nym/pull/5119
-[#5118]: https://github.com/nymtech/nym/pull/5118
-[#5117]: https://github.com/nymtech/nym/pull/5117
-[#5115]: https://github.com/nymtech/nym/pull/5115
-[#5113]: https://github.com/nymtech/nym/pull/5113
-[#5112]: https://github.com/nymtech/nym/pull/5112
-[#5111]: https://github.com/nymtech/nym/pull/5111
-[#5109]: https://github.com/nymtech/nym/pull/5109
-[#5108]: https://github.com/nymtech/nym/pull/5108
-[#5107]: https://github.com/nymtech/nym/pull/5107
-[#5104]: https://github.com/nymtech/nym/pull/5104
-[#5084]: https://github.com/nymtech/nym/pull/5084
-[#5080]: https://github.com/nymtech/nym/pull/5080
-[#5059]: https://github.com/nymtech/nym/pull/5059
-[#5050]: https://github.com/nymtech/nym/pull/5050
-[#5044]: https://github.com/nymtech/nym/pull/5044
-[#5027]: https://github.com/nymtech/nym/pull/5027
-[#5022]: https://github.com/nymtech/nym/pull/5022
-[#5011]: https://github.com/nymtech/nym/pull/5011
-[#4952]: https://github.com/nymtech/nym/pull/4952
-[#4919]: https://github.com/nymtech/nym/pull/4919
-[#4913]: https://github.com/nymtech/nym/pull/4913
-[#4876]: https://github.com/nymtech/nym/pull/4876
-[#4790]: https://github.com/nymtech/nym/pull/4790
-[#4768]: https://github.com/nymtech/nym/pull/4768
-
-## [2024.13-magura-drift] (2024-11-29)
-
-- Optimised syncing bandwidth information to storage
-
 ## [2024.13-magura-patched] (2024-11-22)
 
 - [experimental] allow clients to change between deterministic route selection based on packet headers and a pseudorandom distribution

Cargo.toml

@@ -48,12 +48,13 @@ members = [
     "common/credentials-interface",
     "common/crypto",
     "common/dkg",
+    "common/ecash-double-spending",
     "common/ecash-time",
     "common/execute",
     "common/exit-policy",
     "common/gateway-requests",
-    "common/gateway-stats-storage",
     "common/gateway-storage",
+    "common/gateway-stats-storage",
     "common/http-api-client",
     "common/http-api-common",
     "common/inclusion-probability",
@@ -92,52 +93,47 @@ members = [
     "common/topology",
     "common/tun",
     "common/types",
-    "common/verloc",
     "common/wasm/client-core",
     "common/wasm/storage",
     "common/wasm/utils",
     "common/wireguard",
     "common/wireguard-types",
-    "documentation/autodoc",
+    # "documentation/autodoc",
     "explorer-api",
     "explorer-api/explorer-api-requests",
     "explorer-api/explorer-client",
     "gateway",
     "integrations/bity",
+    "mixnode",
+    "sdk/ffi/cpp",
+    "sdk/ffi/go",
+    "sdk/ffi/shared",
+    "sdk/lib/socks5-listener",
+    "sdk/rust/nym-sdk",
+    "service-providers/authenticator",
+    "service-providers/common",
+    "service-providers/ip-packet-router",
+    "service-providers/network-requester",
     "nym-api",
     "nym-api/nym-api-requests",
     "nym-browser-extension/storage",
     "nym-credential-proxy/nym-credential-proxy",
     "nym-credential-proxy/nym-credential-proxy-requests",
     "nym-credential-proxy/vpn-api-lib-wasm",
+    "nym-data-observatory",
     "nym-network-monitor",
     "nym-node",
+    "nym-node/nym-node-http-api",
+    "nym-node/nym-node-requests",
     "nym-node-status-api/nym-node-status-agent",
     "nym-node-status-api/nym-node-status-api",
     "nym-node-status-api/nym-node-status-client",
-    "nym-node/nym-node-metrics",
-    "nym-node/nym-node-requests",
     "nym-outfox",
     "nym-validator-rewarder",
-    "nyx-chain-watcher",
-    "sdk/ffi/cpp",
-    "sdk/ffi/go",
-    "sdk/ffi/shared",
-    "sdk/rust/nym-sdk",
-    "service-providers/authenticator",
-    "service-providers/common",
-    "service-providers/ip-packet-router",
-    "service-providers/network-requester",
     "tools/echo-server",
-    "tools/echo-server",
-    "tools/internal/contract-state-importer/importer-cli",
-    "tools/internal/contract-state-importer/importer-contract",
-    "tools/internal/mixnet-connectivity-check",
-    # "tools/internal/sdk-version-bump",
     "tools/internal/ssl-inject",
+    # "tools/internal/sdk-version-bump",
     "tools/internal/testnet-manager",
-    "tools/internal/testnet-manager",
-    "tools/internal/testnet-manager/dkg-bypass-contract",
     "tools/internal/testnet-manager/dkg-bypass-contract",
     "tools/nym-cli",
     "tools/nym-id-cli",
@@ -149,19 +145,26 @@ members = [
     "wasm/mix-fetch",
     "wasm/node-tester",
     "wasm/zknym-lib",
+    "tools/echo-server",
+    "tools/internal/contract-state-importer/importer-cli",
+    "tools/internal/contract-state-importer/importer-contract",
+    "tools/internal/testnet-manager",
+    "tools/internal/testnet-manager/dkg-bypass-contract",
 ]
 
 default-members = [
     "clients/native",
     "clients/socks5",
     "explorer-api",
+    "gateway",
+    "mixnode",
     "nym-api",
     "nym-credential-proxy/nym-credential-proxy",
+    "nym-data-observatory",
     "nym-node",
     "nym-node-status-api/nym-node-status-agent",
     "nym-node-status-api/nym-node-status-api",
     "nym-validator-rewarder",
-    "nyx-chain-watcher",
     "service-providers/authenticator",
     "service-providers/ip-packet-router",
     "service-providers/network-requester",
@@ -172,6 +175,7 @@ exclude = [
     "explorer",
     "contracts",
     "nym-wallet",
+    "nym-vpn/ui/src-tauri",
     "cpu-cycles",
 ]
 
@@ -187,49 +191,45 @@ readme = "README.md"
 
 [workspace.dependencies]
 addr = "0.15.6"
-aead = "0.5.2"
 aes = "0.8.1"
 aes-gcm = "0.10.1"
 aes-gcm-siv = "0.11.1"
-ammonia = "4"
+aead = "0.5.2"
-anyhow = "1.0.95"
+anyhow = "1.0.90"
-arc-swap = "1.7.1"
 argon2 = "0.5.0"
-async-trait = "0.1.86"
+async-trait = "0.1.83"
-axum = "0.7.5"
 axum-client-ip = "0.6.1"
+axum = "0.7.5"
 axum-extra = "0.9.4"
-axum-test = "16.2.0"
 base64 = "0.22.1"
-base85rs = "0.1.3"
 bincode = "1.3.3"
 bip39 = { version = "2.0.0", features = ["zeroize"] }
 bit-vec = "0.7.0"                                     # can we unify those?
 bitvec = "1.0.0"
-blake3 = "1.5.5"
+blake3 = "1.5.4"
 bloomfilter = "1.0.14"
 bs58 = "0.5.1"
 bytecodec = "0.4.15"
 bytes = "1.7.2"
 cargo_metadata = "0.18.1"
-celes = "2.5.0"
+celes = "2.4.0"
 cfg-if = "1.0.0"
 chacha20 = "0.9.0"
 chacha20poly1305 = "0.10.1"
-chrono = "0.4.39"
+chrono = "0.4.31"
 cipher = "0.4.3"
-clap = "4.5.30"
+clap = "4.5.20"
 clap_complete = "4.5"
 clap_complete_fig = "4.5"
-colored = "2.2"
+colored = "2.0"
-comfy-table = "7.1.4"
+comfy-table = "7.1.1"
-console = "0.15.10"
+console = "0.15.8"
 console-subscriber = "0.1.1"
 console_error_panic_hook = "0.1"
 const-str = "0.5.6"
-const_format = "0.2.34"
+const_format = "0.2.33"
-criterion = "0.5"
+criterion = "0.4"
-csv = "1.3.1"
+csv = "1.3.0"
 ctr = "0.9.1"
 cupid = "0.6.1"
 curve25519-dalek = "4.1"
@@ -242,33 +242,30 @@ doc-comment = "0.3"
 dotenvy = "0.15.6"
 ecdsa = "0.16"
 ed25519-dalek = "2.1"
-env_logger = "0.11.6"
-envy = "0.4"
 etherparse = "0.13.0"
+envy = "0.4"
 eyre = "0.6.9"
 fastrand = "2.1.1"
-flate2 = "1.0.35"
+flate2 = "1.0.34"
-futures = "0.3.31"
+futures = "0.3.28"
 futures-util = "0.3"
 generic-array = "0.14.7"
 getrandom = "0.2.10"
-getset = "0.1.4"
+getset = "0.1.3"
 handlebars = "3.5.5"
 headers = "0.4.0"
 hex = "0.4.3"
 hex-literal = "0.3.3"
-hickory-resolver = "0.24.3"
 hkdf = "0.12.3"
 hmac = "0.12.1"
 http = "1"
 http-body-util = "0.1"
 httpcodec = "0.2.3"
-human-repr = "1.1.0"
 humantime = "2.1.0"
 humantime-serde = "1.1.1"
-hyper = "1.6.0"
+hyper = "1.4.1"
 hyper-util = "0.1"
-indicatif = "0.17.11"
+indicatif = "0.17.8"
 inquire = "0.6.2"
 ip_network = "0.4.1"
 ipnetwork = "0.20"
@@ -280,21 +277,22 @@ ledger-transport = "0.10.0"
 ledger-transport-hid = "0.10.0"
 log = "0.4"
 maxminddb = "0.23.0"
+rs_merkle = "1.4.2"
 mime = "0.3.17"
 moka = { version = "0.12", features = ["future"] }
 nix = "0.27.1"
 notify = "5.1.0"
 okapi = "0.7.0"
-once_cell = "1.20.3"
+once_cell = "1.20.2"
 opentelemetry = "0.19.0"
 opentelemetry-jaeger = "0.18.0"
 parking_lot = "0.12.3"
 pem = "0.8"
 petgraph = "0.6.5"
 pin-project = "1.1"
-pin-project-lite = "0.2.16"
+pin-project-lite = "0.2.14"
 pretty_env_logger = "0.4.0"
-publicsuffix = "2.3.0"
+publicsuffix = "2.2.3"
 quote = "1"
 rand = "0.8.5"
 rand_chacha = "0.3"
@@ -308,15 +306,14 @@ reqwest = { version = "0.12.4", default-features = false }
 rocket = "0.5.0"
 rocket_cors = "0.6.0"
 rocket_okapi = "0.8.0"
-rs_merkle = "1.4.2"
 safer-ffi = "0.1.13"
 schemars = "0.8.21"
-semver = "1.0.25"
+semver = "1.0.23"
-serde = "1.0.217"
+serde = "1.0.211"
 serde_bytes = "0.11.15"
 serde_derive = "1.0"
-serde_json = "1.0.138"
+serde_json = "1.0.132"
-serde_json_path = "0.7.2"
+serde_json_path = "0.7.1"
 serde_repr = "0.1"
 serde_with = "3.9.0"
 serde_yaml = "0.9.25"
@@ -328,39 +325,36 @@ strum = "0.26"
 strum_macros = "0.26"
 subtle-encoding = "0.5"
 syn = "1"
-sysinfo = "0.33.0"
+sysinfo = "0.30.13"
 tap = "1.0.1"
-tar = "0.4.43"
+tar = "0.4.42"
-tempfile = "3.15"
+tempfile = "3.14"
-thiserror = "2.0"
+thiserror = "1.0.64"
-time = "0.3.37"
+time = "0.3.30"
-tokio = "1.43"
+tokio = "1.39"
-tokio-postgres = "0.7"
+tokio-stream = "0.1.16"
-tokio-stream = "0.1.17"
 tokio-test = "0.4.4"
 tokio-tun = "0.11.5"
 tokio-tungstenite = { version = "0.20.1" }
-tokio-util = "0.7.13"
+tokio-util = "0.7.12"
-toml = "0.8.20"
+toml = "0.8.14"
-tower = "0.5.2"
+tower = "0.4.13"
 tower-http = "0.5.2"
-tracing = "0.1.41"
+tracing = "0.1.37"
-tracing-log = "0.2"
 tracing-opentelemetry = "0.19.0"
-tracing-subscriber = "0.3.19"
+tracing-subscriber = "0.3.16"
 tracing-tree = "0.2.2"
-ts-rs = "10.1.0"
+tracing-log = "0.2"
+ts-rs = "10.0.0"
 tungstenite = { version = "0.20.1", default-features = false }
-uniffi = "0.29.0"
-uniffi_build = "0.29.0"
 url = "2.5"
-utoipa = "5.2"
+utoipa = "4.2"
-utoipa-swagger-ui = "8.1"
+utoipa-swagger-ui = "7.1"
-utoipauto = "0.2"
+utoipauto = "0.1"
 uuid = "*"
 vergen = { version = "=8.3.1", default-features = false }
 walkdir = "2"
-wasm-bindgen-test = "0.3.49"
+wasm-bindgen-test = "0.3.43"
 x25519-dalek = "2.0.0"
 zeroize = "1.6.0"
 
@@ -391,26 +385,31 @@ cw4 = { version = "=1.1.2" }
 cw-controllers = { version = "=1.1.0" }
 
 # cosmrs-related
-bip32 = { version = "0.5.3", default-features = false }
+bip32 = { version = "0.5.2", default-features = false }
 
-
+# temporarily using a fork again (yay.) because we need staking and slashing support (which are already on main but not released)
-cosmrs = { version = "0.21.1" }
+# plus response message parsing (which is, as of the time of writing this message, waiting to get merged)
-tendermint = "0.40.0"
+#cosmrs = { path = "../cosmos-rust-fork/cosmos-rust/cosmrs" }
-tendermint-rpc = "0.40.0"
+cosmrs = { git = "https://github.com/cosmos/cosmos-rust", rev = "4b1332e6d8258ac845cef71589c8d362a669675a" } # unfortuntely we need a fork by yours truly to get the staking support
-prost = { version = "0.13", default-features = false }
+tendermint = "0.37.0"                                                                                        # same version as used by cosmrs
+tendermint-rpc = "0.37.0"                                                                                    # same version as used by cosmrs
+prost = { version = "0.12", default-features = false }
 
 # wasm-related dependencies
 gloo-utils = "0.2.0"
-gloo-net = "0.6.0"
+gloo-net = "0.5.0"
 
-indexed_db_futures = "0.6.0"
+# use a separate branch due to feature unification failures
-js-sys = "0.3.76"
+# this is blocked until the upstream removes outdates `wasm_bindgen` feature usage
+# indexed_db_futures = "0.4.1"
+indexed_db_futures = { git = "https://github.com/TiemenSch/rust-indexed-db", branch = "update-uuid" }
+js-sys = "0.3.70"
 serde-wasm-bindgen = "0.6.5"
 tsify = "0.4.5"
-wasm-bindgen = "0.2.99"
+wasm-bindgen = "0.2.95"
-wasm-bindgen-futures = "0.4.49"
+wasm-bindgen-futures = "0.4.45"
-wasmtimer = "0.4.1"
+wasmtimer = "0.2.0"
-web-sys = "0.3.76"
+web-sys = "0.3.72"
 
 # Profile settings for individual crates
 
@@ -420,6 +419,10 @@ web-sys = "0.3.76"
 [profile.dev.package.sqlx-macros]
 opt-level = 3
 
+[profile.release.package.nym-socks5-listener]
+strip = true
+codegen-units = 1
+
 [profile.release.package.nym-client-wasm]
 # lto = true
 opt-level = 'z'

LICENSES/BSL-1.0

@@ -1,23 +0,0 @@
-Boost Software License - Version 1.0 - August 17th, 2003
-
-Permission is hereby granted, free of charge, to any person or organization
-obtaining a copy of the software and accompanying documentation covered by
-this license (the "Software") to use, reproduce, display, distribute,
-execute, and transmit the Software, and to prepare derivative works of the
-Software, and to permit third-parties to whom the Software is furnished to
-do so, all subject to the following:
-
-The copyright notices in the Software and this entire statement, including
-the above license grant, this restriction and the following disclaimer,
-must be included in all copies of the Software, in whole or in part, and
-all derivative works of the Software, unless such copies or derivative
-works are solely in the form of machine-executable object code generated by
-a source language processor.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
-SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
-FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.

README.md

@@ -13,8 +13,7 @@ The platform is composed of multiple Rust crates. Top-level executable binary cr
 * `nym-client` - an executable which you can build into your own applications. Use it for interacting with Nym nodes.
 * `nym-socks5-client` - a Socks5 proxy you can run on your machine and use with existing applications.
 * `nym-explorer` - a (projected) block explorer and (existing) mixnet viewer.
-* `nym-wallet` - a desktop wallet implemented using the [Tauri](https://tauri.app)) framework.
+* `nym-wallet` - a desktop wallet implemented using the [Tauri](https://tauri.studio/en/docs/about/intro) framework.
-* `nym-cli` - a tool for interacting with the network from the CLI.
 <!-- coming soon
 * `nym-network-monitor` - sends packets through the full system to check that they are working as expected, and stores node uptime histories as the basis of a rewards system ("mixmining" or "proof-of-mixing").
 -->
@@ -36,20 +35,24 @@ client ───► Gateway ──┘  mix  │  mix  ┌─►mix ───►
 ### Building
 
 * Platform build instructions are available on Nym [Operators Guide documentation](https://nymtech.net/operators/binaries/building-nym.html).
-* Wallet build instructions are available [here](https://github.com/nymtech/nym/tree/master/nym-wallet#installation-prerequisites---linux--mac).
+* Wallet build instructions are available on Nym [Technical docs](https://nymtech.net/docs/wallet/desktop-wallet.html).
 
 ### Developing
 
+There's a [`sandbox.env`](https://github.com/nymtech/nym/envs/sandbox.env) file provided which you can rename to `.env` if you want convenient testing environment. Read more about sandbox environment in our [Operators Guide page](https://nymtech.net/operators/sandbox.html).
+
 References for developers:
 
-* [Dev Docs](https://nym.com/docs/developers)
+* [Developers Portal](https://nymtech.net/developers)
-* [SDKs](https://nym.com/docs/developers/rust)
+* [Typescript SDKs](https://sdk.nymtech.net/)
-* [Network Docs](https://nym.com/docs/network)
+* [Technical Documentation - Nym network overview](https://nymtech.net/docs/)
-* [Release Cycle - git flow](https://nym.com/docs/operators/release-cycle)
+* [Release Cycle - git flow](https://nymtech.net/operators/release-cycle.html)
 
 ### Developer chat
 
-You can chat to us in the #dev channel on [Matrix](https://matrix.to/#/#dev:nymtech.chat) or on the [Nym Forum](https://forum.nymtech.net).
+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://nymtech.net/go/discord)
 
 ### Tokenomics & Rewards
 
@@ -66,4 +69,4 @@ As a general approach, licensing is as follows this pattern:
 - libraries and components are Apache 2.0 or MIT
 - documentation is Apache 2.0 or CC0-1.0
 
-Nym Node Operators and Validators Terms and Conditions can be found [here](https://nym.com/operators-validators-terms).
+Nym Node Operators and Validators Temrs and Conditions can be found [here](https://nymtech.net/terms-and-conditions/operators/v1.0.0).

SECURITY.md

@@ -3,23 +3,37 @@ Critical bug or security issue 💥
 If you're here because you're trying to figure out how to notify us of a security issue, send us a PGP encrypted email to:
 
 ```
-security@nym.com
+security@nymte.ch
 ```
 
 Encrypted with our public key which is available below in plain text and also on keyservers:
 
 ```
-sec   rsa4096/7C3C727F05090550 2023-10-30 [SC] [expire : 2026-10-29]
+pub   rsa4096 2023-10-30 [SC] [expire : 2026-10-29]
       24B2592E801A5AAA8666C8BA7C3C727F05090550
-uid                [  ultime ] Security Nym Technologies <security@nym.com>
+uid          [  ultime ] Security Nym Technologies <security@nymte.ch>
-ssb   rsa4096/ACD0FBD79DC70ACC 2023-10-30 [E] [expire : 2026-10-29]
+sub   rsa4096 2023-10-30 [E] [expire : 2026-10-29]
 
 ```
 
 The fingerprint of the key is on the second line above.
 
+If you need to chat __urgently__ to our team for a __critical__ security issue:
+
+go to Matrix, and alert the core engineers with a private direct message:
+
+    Jedrzej Stuczynski @jstuczyn:nymtech.chat
+    Mark Sinclair @mark:nymtech.chat
+    Raphaël Walther @raphael:nymtech.chat
+
 Please avoid opening public issues on GitHub that contain information about a potential security vulnerability as this makes it difficult to reduce the impact and harm of valid security issues.
 
+If you don't know what Matrix is, you can follow this documentation to create an account on this federation of instant messaging servers:
+
+[Matrix for Instant Messaging](https://matrix.org/docs/chat_basics/matrix-for-im/)
+
+
+
 ```
 -----BEGIN PGP PUBLIC KEY BLOCK-----
 
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 -----END PGP PUBLIC KEY BLOCK-----
-
 ```

clients/native/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "nym-client"
-version = "1.1.49"
+version = "1.1.44"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>", "Jędrzej Stuczyński <andrew@nymtech.net>"]
 description = "Implementation of the Nym Client"
 edition = "2021"

clients/native/src/client/config/mod.rs

@@ -56,7 +56,7 @@ pub fn default_data_directory<P: AsRef<Path>>(id: P) -> PathBuf {
         .join(DEFAULT_DATA_DIR)
 }
 
-#[derive(Debug, Deserialize, PartialEq, Serialize, Clone)]
+#[derive(Debug, Deserialize, PartialEq, Serialize)]
 pub struct Config {
     #[serde(flatten)]
     pub base: BaseClientConfig,
@@ -94,10 +94,6 @@ impl CliClientConfig for Config {
 }
 
 impl Config {
-    pub fn base(&self) -> BaseClientConfig {
-        self.base.clone()
-    }
-
     pub fn new<S: AsRef<str>>(id: S) -> Self {
         Config {
             base: BaseClientConfig::new(id.as_ref(), env!("CARGO_PKG_VERSION")),
@@ -213,7 +209,7 @@ impl SocketType {
     }
 }
 
-#[derive(Debug, Deserialize, PartialEq, Eq, Serialize, Clone)]
+#[derive(Debug, Deserialize, PartialEq, Eq, Serialize)]
 #[serde(default, deny_unknown_fields)]
 pub struct Socket {
     pub socket_type: SocketType,

clients/native/src/client/config/template.rs

@@ -107,8 +107,5 @@ enabled = {{ debug.stats_reporting.enabled }}
 provider_address = '{{ debug.stats_reporting.provider_address }}'
 reporting_interval = '{{ debug.stats_reporting.reporting_interval }}'
 
-[debug.forget_me]
-client = {{ debug.forget_me.client }}
-stats = {{ debug.forget_me.stats }}
 
 "#;

clients/native/src/client/mod.rs

@@ -20,7 +20,7 @@ pub use nym_sphinx::addressing::clients::Recipient;
 
 pub mod config;
 
-type NativeClientBuilder = BaseClientBuilder<QueryHttpRpcNyxdClient, OnDiskPersistent>;
+type NativeClientBuilder<'a> = BaseClientBuilder<'a, QueryHttpRpcNyxdClient, OnDiskPersistent>;
 
 pub struct SocketClient {
     /// Client configuration options, including, among other things, packet sending rates,
@@ -32,10 +32,6 @@ pub struct SocketClient {
 }
 
 impl SocketClient {
-    pub fn config(&self) -> Config {
-        self.config.clone()
-    }
-
     pub fn new(config: Config, custom_mixnet: Option<PathBuf>) -> Self {
         SocketClient {
             config,
@@ -49,7 +45,7 @@ impl SocketClient {
         client_output: ClientOutput,
         client_state: ClientState,
         self_address: &Recipient,
-        task_client: nym_task::TaskClient,
+        shutdown: nym_task::TaskClient,
         packet_type: PacketType,
     ) {
         info!("Starting websocket listener...");
@@ -77,15 +73,10 @@ impl SocketClient {
             shared_lane_queue_lengths,
             reply_controller_sender,
             Some(packet_type),
-            task_client.fork("websocket_handler"),
         );
 
-        websocket::Listener::new(
+        websocket::Listener::new(config.socket.host, config.socket.listening_port)
-            config.socket.host,
+            .start(websocket_handler, shutdown);
-            config.socket.listening_port,
-            task_client.with_suffix("websocket_listener"),
-        )
-        .start(websocket_handler);
     }
 
     /// blocking version of `start_socket` method. Will run forever (or until SIGINT is sent)
@@ -117,9 +108,8 @@ impl SocketClient {
         let storage = self.initialise_storage().await?;
         let user_agent = nym_bin_common::bin_info!().into();
 
-        let mut base_client =
+        let mut base_client = BaseClientBuilder::new(&self.config.base, storage, dkg_query_client)
-            BaseClientBuilder::new(self.config().base(), storage, dkg_query_client)
+            .with_user_agent(user_agent);
-                .with_user_agent(user_agent);
 
         if let Some(custom_mixnet) = &self.custom_mixnet {
             base_client = base_client.with_stored_topology(custom_mixnet)?;

clients/native/src/commands/init.rs

@@ -82,7 +82,6 @@ impl From<Init> for OverrideConfig {
             nyxd_urls: init_config.common_args.nyxd_urls,
             enabled_credentials_mode: init_config.common_args.enabled_credentials_mode,
             stats_reporting_address: init_config.common_args.stats_reporting_address,
-            forget_me: init_config.common_args.forget_me.into(),
         }
     }
 }

clients/native/src/commands/mod.rs

@@ -16,7 +16,6 @@ use nym_bin_common::completions::{fig_generate, ArgShell};
 use nym_client::client::Recipient;
 use nym_client_core::cli_helpers::CliClient;
 use nym_client_core::client::base_client::storage::migration_helpers::v1_1_33;
-use nym_client_core::config::ForgetMe;
 use nym_config::OptionalSet;
 use std::error::Error;
 use std::net::IpAddr;
@@ -107,7 +106,6 @@ pub(crate) struct OverrideConfig {
     nyxd_urls: Option<Vec<url::Url>>,
     enabled_credentials_mode: Option<bool>,
     stats_reporting_address: Option<Recipient>,
-    forget_me: ForgetMe,
 }
 
 pub(crate) async fn execute(args: Cli) -> Result<(), Box<dyn Error + Send + Sync>> {
@@ -135,7 +133,6 @@ pub(crate) fn override_config(config: Config, args: OverrideConfig) -> Config {
             args.fastmode,
         )
         .with_base(BaseClientConfig::with_disabled_cover_traffic, args.no_cover)
-        .with_base(BaseClientConfig::with_forget_me, args.forget_me)
         .with_optional(Config::with_port, args.port)
         .with_optional(Config::with_host, args.host)
         .with_optional_custom_env_ext(

clients/native/src/commands/run.rs

@@ -3,10 +3,13 @@
 
 use crate::commands::try_load_current_config;
 use crate::{
-    client::SocketClient,
+    client::{config::Config, SocketClient},
     commands::{override_config, OverrideConfig},
+    error::ClientError,
 };
 use clap::Args;
+use log::*;
+use nym_bin_common::version_checker::is_minor_version_compatible;
 use nym_client_core::cli_helpers::client_run::CommonClientRunArgs;
 use std::error::Error;
 use std::net::IpAddr;
@@ -41,7 +44,25 @@ impl From<Run> for OverrideConfig {
             nyxd_urls: run_config.common_args.nyxd_urls,
             enabled_credentials_mode: run_config.common_args.enabled_credentials_mode,
             stats_reporting_address: run_config.common_args.stats_reporting_address,
-            forget_me: run_config.common_args.forget_me.into(),
+        }
+    }
+}
+
+// this only checks compatibility between config the binary. It does not take into consideration
+// 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;
+    if binary_version == config_version {
+        true
+    } else {
+        warn!("The native-client 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");
+            true
+        } else {
+            error!("and they are semver incompatible! - please run the `upgrade` command before attempting `run` again");
+            false
         }
     }
 }
@@ -52,6 +73,11 @@ pub(crate) async fn execute(args: Run) -> Result<(), Box<dyn Error + Send + Sync
     let mut config = try_load_current_config(&args.common_args.id).await?;
     config = override_config(config, OverrideConfig::from(args.clone()));
 
+    if !version_check(&config) {
+        error!("failed the local version check");
+        return Err(Box::new(ClientError::FailedLocalVersionCheck));
+    }
+
     SocketClient::new(config, args.common_args.custom_mixnet)
         .run_socket_forever()
         .await

clients/native/src/error.rs

@@ -17,6 +17,9 @@ pub enum ClientError {
     #[error("Failed to validate the loaded config")]
     ConfigValidationFailure,
 
+    #[error("Failed local version check, client and config mismatch")]
+    FailedLocalVersionCheck,
+
     #[error("Attempted to start the client in invalid socket mode")]
     InvalidSocketMode,
 

clients/native/src/websocket/handler.rs

@@ -19,7 +19,6 @@ use nym_sphinx::receiver::ReconstructedMessage;
 use nym_task::connections::{
     ConnectionCommand, ConnectionCommandSender, ConnectionId, LaneQueueLengths, TransmissionLane,
 };
-use nym_task::TaskClient;
 use std::time::Duration;
 use tokio::net::TcpStream;
 use tokio::time::Instant;
@@ -44,11 +43,9 @@ pub(crate) struct HandlerBuilder {
     lane_queue_lengths: LaneQueueLengths,
     reply_controller_sender: ReplyControllerSender,
     packet_type: Option<PacketType>,
-    task_client: TaskClient,
 }
 
 impl HandlerBuilder {
-    #[allow(clippy::too_many_arguments)]
     pub(crate) fn new(
         msg_input: InputMessageSender,
         client_connection_tx: ConnectionCommandSender,
@@ -57,7 +54,6 @@ impl HandlerBuilder {
         lane_queue_lengths: LaneQueueLengths,
         reply_controller_sender: ReplyControllerSender,
         packet_type: Option<PacketType>,
-        task_client: TaskClient,
     ) -> Self {
         Self {
             msg_input,
@@ -67,14 +63,11 @@ impl HandlerBuilder {
             lane_queue_lengths,
             reply_controller_sender,
             packet_type,
-            task_client,
         }
     }
 
     // TODO: make sure we only ever have one active handler
     pub fn create_active_handler(&self) -> Handler {
-        let mut task_client = self.task_client.fork("active_handler");
-        task_client.disarm();
         Handler {
             msg_input: self.msg_input.clone(),
             client_connection_tx: self.client_connection_tx.clone(),
@@ -85,7 +78,6 @@ impl HandlerBuilder {
             lane_queue_lengths: self.lane_queue_lengths.clone(),
             reply_controller_sender: self.reply_controller_sender.clone(),
             packet_type: self.packet_type,
-            task_client,
         }
     }
 }
@@ -100,18 +92,16 @@ pub(crate) struct Handler {
     lane_queue_lengths: LaneQueueLengths,
     reply_controller_sender: ReplyControllerSender,
     packet_type: Option<PacketType>,
-    task_client: TaskClient,
 }
 
 impl Drop for Handler {
     fn drop(&mut self) {
-        if let Err(err) = self
+        if self
             .buffer_requester
             .unbounded_send(ReceivedBufferMessage::ReceiverDisconnect)
+            .is_err()
         {
-            if !self.task_client.is_shutdown_poll() {
+            error!("we failed to disconnect the receiver from the buffer! presumably the shutdown procedure has been initiated!")
-                error!("failed to disconnect the receiver from the buffer: {err}");
-            }
         }
     }
 }
@@ -135,23 +125,10 @@ impl Handler {
         };
 
         // get the number of pending replies waiting for reply surbs
-        let reply_queue_length = match self
+        let reply_queue_length = self
             .reply_controller_sender
             .get_lane_queue_length(connection_id)
-            .await
+            .await;
-        {
-            Ok(length) => length,
-            Err(err) => {
-                if !self.task_client.is_shutdown_poll() {
-                    error!(
-                        "Failed to get reply queue length for connection {connection_id}: {err}"
-                    );
-                }
-                // We're just going to assume that the queue is empty, and I think that's okay
-                // during shutdown.
-                0
-            }
-        };
 
         let queue_length = base_length + reply_queue_length;
 
@@ -191,11 +168,10 @@ impl Handler {
 
         // the ack control is now responsible for chunking, etc.
         let input_msg = InputMessage::new_regular(recipient, message, lane, self.packet_type);
-        if let Err(err) = self.msg_input.send(input_msg).await {
+        self.msg_input
-            if !self.task_client.is_shutdown_poll() {
+            .send(input_msg)
-                error!("Failed to send message to the input buffer: {err}");
+            .await
-            }
+            .expect("InputMessageReceiver has stopped receiving!");
-        }
 
         // Only reply back with a `LaneQueueLength` if the sender providided a connection id
         let TransmissionLane::ConnectionId(connection_id) = lane else {
@@ -224,11 +200,10 @@ impl Handler {
 
         let input_msg =
             InputMessage::new_anonymous(recipient, message, reply_surbs, lane, self.packet_type);
-        if let Err(err) = self.msg_input.send(input_msg).await {
+        self.msg_input
-            if !self.task_client.is_shutdown_poll() {
+            .send(input_msg)
-                error!("Failed to send anonymous message to the input buffer: {err}");
+            .await
-            }
+            .expect("InputMessageReceiver has stopped receiving!");
-        }
 
         // Only reply back with a `LaneQueueLength` if the sender providided a connection id
         let TransmissionLane::ConnectionId(connection_id) = lane else {
@@ -252,11 +227,10 @@ impl Handler {
         });
 
         let input_msg = InputMessage::new_reply(recipient_tag, message, lane, self.packet_type);
-        if let Err(err) = self.msg_input.send(input_msg).await {
+        self.msg_input
-            if !self.task_client.is_shutdown_poll() {
+            .send(input_msg)
-                error!("Failed to send reply message to the input buffer: {err}");
+            .await
-            }
+            .expect("InputMessageReceiver has stopped receiving!");
-        }
 
         // Only reply back with a `LaneQueueLength` if the sender providided a connection id
         let TransmissionLane::ConnectionId(connection_id) = lane else {
@@ -271,14 +245,9 @@ impl Handler {
     }
 
     fn handle_closed_connection(&self, connection_id: u64) -> Option<ServerResponse> {
-        if let Err(err) = self
+        self.client_connection_tx
-            .client_connection_tx
             .unbounded_send(ConnectionCommand::Close(connection_id))
-        {
+            .unwrap();
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send close connection command: {err}");
-            }
-        }
         None
     }
 
@@ -393,10 +362,11 @@ impl Handler {
         }
     }
 
-    async fn listen_for_requests(&mut self, mut msg_receiver: ReconstructedMessagesReceiver) {
+    async fn listen_for_requests(
-        let mut task_client = self.task_client.fork("select");
+        &mut self,
-        task_client.disarm();
+        mut msg_receiver: ReconstructedMessagesReceiver,
-
+        mut task_client: nym_task::TaskClient,
+    ) {
         while !task_client.is_shutdown() {
             tokio::select! {
                 // we can either get a client request from the websocket
@@ -445,7 +415,15 @@ impl Handler {
     }
 
     // consume self to make sure `drop` is called after this is done
-    pub(crate) async fn handle_connection(mut self, socket: TcpStream) {
+    pub(crate) async fn handle_connection(
+        mut self,
+        socket: TcpStream,
+        mut task_client: nym_task::TaskClient,
+    ) {
+        // We don't want a crash in the connection handler to trigger a shutdown of the whole
+        // process.
+        task_client.disarm();
+
         let ws_stream = match accept_async(socket).await {
             Ok(ws_stream) => ws_stream,
             Err(err) => {
@@ -458,18 +436,14 @@ impl Handler {
         let (reconstructed_sender, reconstructed_receiver) = mpsc::unbounded();
 
         // tell the buffer to start sending stuff to us
-        if let Err(err) =
+        self.buffer_requester
-            self.buffer_requester
+            .unbounded_send(ReceivedBufferMessage::ReceiverAnnounce(
-                .unbounded_send(ReceivedBufferMessage::ReceiverAnnounce(
+                reconstructed_sender,
-                    reconstructed_sender,
+            ))
-                ))
+            .expect("the buffer request failed!");
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("failed to announce the receiver to the buffer: {err}");
-            }
-        }
 
-        self.listen_for_requests(reconstructed_receiver).await;
+        self.listen_for_requests(reconstructed_receiver, task_client)
+            .await;
     }
 }
 

clients/native/src/websocket/listener.rs

@@ -3,7 +3,6 @@
 
 use super::handler::HandlerBuilder;
 use log::*;
-use nym_task::TaskClient;
 use std::net::IpAddr;
 use std::{net::SocketAddr, process, sync::Arc};
 use tokio::io::AsyncWriteExt;
@@ -23,19 +22,21 @@ impl State {
 pub(crate) struct Listener {
     address: SocketAddr,
     state: State,
-    task_client: TaskClient,
 }
 
 impl Listener {
-    pub(crate) fn new(host: IpAddr, port: u16, task_client: TaskClient) -> Self {
+    pub(crate) fn new(host: IpAddr, port: u16) -> Self {
         Listener {
             address: SocketAddr::new(host, port),
             state: State::AwaitingConnection,
-            task_client,
         }
     }
 
-    pub(crate) async fn run(&mut self, handler: HandlerBuilder) {
+    pub(crate) async fn run(
+        &mut self,
+        handler: HandlerBuilder,
+        mut task_client: nym_task::TaskClient,
+    ) {
         let tcp_listener = match tokio::net::TcpListener::bind(self.address).await {
             Ok(listener) => listener,
             Err(err) => {
@@ -46,11 +47,11 @@ impl Listener {
 
         let notify = Arc::new(Notify::new());
 
-        while !self.task_client.is_shutdown() {
+        loop {
             tokio::select! {
                 // When the handler finishes we check if shutdown is signalled
                 _ = notify.notified() => {
-                    if self.task_client.is_shutdown() {
+                    if task_client.is_shutdown() {
                         log::trace!("Websocket listener: detected shutdown after connection closed");
                         break;
                     }
@@ -59,7 +60,7 @@ impl Listener {
                 }
                 // ... but when there is no connected client at the time of shutdown being
                 // signalled, we handle it here.
-                _ = self.task_client.recv() => {
+                _ = task_client.recv() => {
                     if !self.state.is_connected() {
                         log::trace!("Not connected: shutting down");
                         break;
@@ -87,8 +88,9 @@ impl Listener {
                                 // hanging because the executor doesn't come back here
                                 let notify_clone = Arc::clone(&notify);
                                 let fresh_handler = handler.create_active_handler();
+                                let task_client_handler = task_client.clone();
                                 tokio::spawn(async move {
-                                    fresh_handler.handle_connection(socket).await;
+                                    fresh_handler.handle_connection(socket, task_client_handler).await;
                                     notify_clone.notify_one();
                                 });
                                 self.state = State::Connected;
@@ -102,9 +104,13 @@ impl Listener {
         log::debug!("Websocket listener: Exiting");
     }
 
-    pub(crate) fn start(mut self, handler: HandlerBuilder) -> JoinHandle<()> {
+    pub(crate) fn start(
+        mut self,
+        handler: HandlerBuilder,
+        shutdown: nym_task::TaskClient,
+    ) -> JoinHandle<()> {
         info!("Running websocket on {:?}", self.address.to_string());
 
-        tokio::spawn(async move { self.run(handler).await })
+        tokio::spawn(async move { self.run(handler, shutdown).await })
     }
 }

clients/socks5/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "nym-socks5-client"
-version = "1.1.49"
+version = "1.1.44"
 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"

clients/socks5/src/commands/init.rs

@@ -93,7 +93,6 @@ impl From<Init> for OverrideConfig {
             enabled_credentials_mode: init_config.common_args.enabled_credentials_mode,
             outfox: false,
             stats_reporting_address: init_config.common_args.stats_reporting_address,
-            forget_me: init_config.common_args.forget_me.into(),
         }
     }
 }

clients/socks5/src/commands/mod.rs

@@ -17,7 +17,7 @@ use nym_bin_common::completions::{fig_generate, ArgShell};
 use nym_client_core::cli_helpers::CliClient;
 use nym_client_core::client::base_client::storage::migration_helpers::v1_1_33;
 use nym_client_core::client::topology_control::geo_aware_provider::CountryGroup;
-use nym_client_core::config::{ForgetMe, GroupBy, TopologyStructure};
+use nym_client_core::config::{GroupBy, TopologyStructure};
 use nym_config::OptionalSet;
 use nym_sphinx::addressing::Recipient;
 use nym_sphinx::params::{PacketSize, PacketType};
@@ -113,7 +113,6 @@ pub(crate) struct OverrideConfig {
     enabled_credentials_mode: Option<bool>,
     outfox: bool,
     stats_reporting_address: Option<Recipient>,
-    forget_me: ForgetMe,
 }
 
 pub(crate) async fn execute(args: Cli) -> Result<(), Box<dyn Error + Send + Sync>> {
@@ -180,7 +179,6 @@ pub(crate) fn override_config(config: Config, args: OverrideConfig) -> Config {
             BaseClientConfig::with_topology_structure,
             topology_structure,
         )
-        .with_base(BaseClientConfig::with_forget_me, args.forget_me)
         .with_optional(Config::with_anonymous_replies, args.use_anonymous_replies)
         .with_optional(Config::with_port, args.port)
         .with_optional(Config::with_ip, args.ip)

clients/socks5/src/commands/run.rs

@@ -2,8 +2,14 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::commands::try_load_current_config;
-use crate::commands::{override_config, OverrideConfig};
+use crate::config::Config;
+use crate::{
+    commands::{override_config, OverrideConfig},
+    error::Socks5ClientError,
+};
 use clap::Args;
+use log::*;
+use nym_bin_common::version_checker::is_minor_version_compatible;
 use nym_client_core::cli_helpers::client_run::CommonClientRunArgs;
 use nym_client_core::client::base_client::storage::OnDiskPersistent;
 use nym_client_core::client::topology_control::geo_aware_provider::CountryGroup;
@@ -65,7 +71,6 @@ impl From<Run> for OverrideConfig {
             enabled_credentials_mode: run_config.common_args.enabled_credentials_mode,
             outfox: run_config.outfox,
             stats_reporting_address: run_config.common_args.stats_reporting_address,
-            forget_me: run_config.common_args.forget_me.into(),
         }
     }
 }
@@ -77,12 +82,38 @@ fn validate_country_group(s: &str) -> Result<CountryGroup, String> {
     }
 }
 
+// this only checks compatibility between config the binary. It does not take into consideration
+// 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;
+    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}",
+        );
+        if is_minor_version_compatible(binary_version, config_version) {
+            info!("but they are still semver compatible. However, consider running the `upgrade` command");
+            true
+        } else {
+            error!("and they are semver incompatible! - please run the `upgrade` command before attempting `run` again");
+            false
+        }
+    }
+}
+
 pub(crate) async fn execute(args: Run) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
     eprintln!("Starting client {}...", args.common_args.id);
 
     let mut config = try_load_current_config(&args.common_args.id).await?;
     config = override_config(config, OverrideConfig::from(args.clone()));
 
+    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?;

clients/socks5/src/config/template.rs

@@ -113,8 +113,4 @@ enabled = {{ core.debug.stats_reporting.enabled }}
 provider_address = '{{ core.debug.stats_reporting.provider_address }}'
 reporting_interval = '{{ core.debug.stats_reporting.reporting_interval }}'
 
-[core.debug.forget_me]
-client = {{ core.debug.forget_me.client }}
-stats = {{ core.debug.forget_me.stats }}
-
 "#;

clients/socks5/src/error.rs

@@ -14,6 +14,9 @@ pub enum Socks5ClientError {
     #[error("Failed to validate the loaded config")]
     ConfigValidationFailure,
 
+    #[error("Failed local version check, client and config mismatch")]
+    FailedLocalVersionCheck,
+
     #[error("Fail to bind address")]
     FailToBindAddress,
 

common/authenticator-requests/src/lib.rs

@@ -8,7 +8,6 @@ pub mod v3;
 pub mod v4;
 
 mod error;
-mod util;
 
 pub use error::Error;
 pub use v4 as latest;

common/authenticator-requests/src/util.rs

@@ -1,71 +0,0 @@
-// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-#[cfg(test)]
-pub(crate) mod tests {
-    pub(crate) const CREDENTIAL_BYTES: [u8; 1245] = [
-        0, 0, 4, 133, 96, 179, 223, 185, 136, 23, 213, 166, 59, 203, 66, 69, 209, 181, 227, 254,
-        16, 102, 98, 237, 59, 119, 170, 111, 31, 194, 51, 59, 120, 17, 115, 229, 79, 91, 11, 139,
-        154, 2, 212, 23, 68, 70, 167, 3, 240, 54, 224, 171, 221, 1, 69, 48, 60, 118, 119, 249, 123,
-        35, 172, 227, 131, 96, 232, 209, 187, 123, 4, 197, 102, 90, 96, 45, 125, 135, 140, 99, 1,
-        151, 17, 131, 143, 157, 97, 107, 139, 232, 212, 87, 14, 115, 253, 255, 166, 167, 186, 43,
-        90, 96, 173, 105, 120, 40, 10, 163, 250, 224, 214, 200, 178, 4, 160, 16, 130, 59, 76, 193,
-        39, 240, 3, 101, 141, 209, 183, 226, 186, 207, 56, 210, 187, 7, 164, 240, 164, 205, 37, 81,
-        184, 214, 193, 195, 90, 205, 238, 225, 195, 104, 12, 123, 203, 57, 233, 243, 215, 145, 195,
-        196, 57, 38, 125, 172, 18, 47, 63, 165, 110, 219, 180, 40, 58, 116, 92, 254, 160, 98, 48,
-        92, 254, 232, 107, 184, 80, 234, 60, 160, 235, 249, 76, 41, 38, 165, 28, 40, 136, 74, 48,
-        166, 50, 245, 23, 201, 140, 101, 79, 93, 235, 128, 186, 146, 126, 180, 134, 43, 13, 186,
-        19, 195, 48, 168, 201, 29, 216, 95, 176, 198, 132, 188, 64, 39, 212, 150, 32, 52, 53, 38,
-        228, 199, 122, 226, 217, 75, 40, 191, 151, 48, 164, 242, 177, 79, 14, 122, 105, 151, 85,
-        88, 199, 162, 17, 96, 103, 83, 178, 128, 9, 24, 30, 74, 108, 241, 85, 240, 166, 97, 241,
-        85, 199, 11, 198, 226, 234, 70, 107, 145, 28, 208, 114, 51, 12, 234, 108, 101, 202, 112,
-        48, 185, 22, 159, 67, 109, 49, 27, 149, 90, 109, 32, 226, 112, 7, 201, 208, 209, 104, 31,
-        97, 134, 204, 145, 27, 181, 206, 181, 106, 32, 110, 136, 115, 249, 201, 111, 5, 245, 203,
-        71, 121, 169, 126, 151, 178, 236, 59, 221, 195, 48, 135, 115, 6, 50, 227, 74, 97, 107, 107,
-        213, 90, 2, 203, 154, 138, 47, 128, 52, 134, 128, 224, 51, 65, 240, 90, 8, 55, 175, 180,
-        178, 204, 206, 168, 110, 51, 57, 189, 169, 48, 169, 136, 121, 99, 51, 170, 178, 214, 74, 1,
-        96, 151, 167, 25, 173, 180, 171, 155, 10, 55, 142, 234, 190, 113, 90, 79, 80, 244, 71, 166,
-        30, 235, 113, 150, 133, 1, 218, 17, 109, 111, 223, 24, 216, 177, 41, 2, 204, 65, 221, 212,
-        207, 236, 144, 6, 65, 224, 55, 42, 1, 1, 161, 134, 118, 127, 111, 220, 110, 127, 240, 71,
-        223, 129, 12, 93, 20, 220, 60, 56, 71, 146, 184, 95, 132, 69, 28, 56, 53, 192, 213, 22,
-        119, 230, 152, 225, 182, 188, 163, 219, 37, 175, 247, 73, 14, 247, 38, 72, 243, 1, 48, 131,
-        59, 8, 13, 96, 143, 185, 127, 241, 161, 217, 24, 149, 193, 40, 16, 30, 202, 151, 28, 119,
-        240, 153, 101, 156, 61, 193, 72, 245, 199, 181, 12, 231, 65, 166, 67, 142, 121, 207, 202,
-        58, 197, 113, 188, 248, 42, 124, 105, 48, 161, 241, 55, 209, 36, 194, 27, 63, 233, 144,
-        189, 85, 117, 234, 9, 139, 46, 31, 206, 114, 95, 131, 29, 240, 13, 81, 142, 140, 133, 33,
-        30, 41, 141, 37, 80, 217, 95, 221, 76, 115, 86, 201, 165, 51, 252, 9, 28, 209, 1, 48, 150,
-        74, 248, 212, 187, 222, 66, 210, 3, 200, 19, 217, 171, 184, 42, 148, 53, 150, 57, 50, 6,
-        227, 227, 62, 49, 42, 148, 148, 157, 82, 191, 58, 24, 34, 56, 98, 120, 89, 105, 176, 85,
-        15, 253, 241, 41, 153, 195, 136, 1, 48, 142, 126, 213, 101, 223, 79, 133, 230, 105, 38,
-        161, 149, 2, 21, 136, 150, 42, 72, 218, 85, 146, 63, 223, 58, 108, 186, 183, 248, 62, 20,
-        47, 34, 113, 160, 177, 204, 181, 16, 24, 212, 224, 35, 84, 51, 168, 56, 136, 11, 1, 48,
-        135, 242, 62, 149, 230, 178, 32, 224, 119, 26, 234, 163, 237, 224, 114, 95, 112, 140, 170,
-        150, 96, 125, 136, 221, 180, 78, 18, 11, 12, 184, 2, 198, 217, 119, 43, 69, 4, 172, 109,
-        55, 183, 40, 131, 172, 161, 88, 183, 101, 1, 48, 173, 216, 22, 73, 42, 255, 211, 93, 249,
-        87, 159, 115, 61, 91, 55, 130, 17, 216, 60, 34, 122, 55, 8, 244, 244, 153, 151, 57, 5, 144,
-        178, 55, 249, 64, 211, 168, 34, 148, 56, 89, 92, 203, 70, 124, 219, 152, 253, 165, 0, 32,
-        203, 116, 63, 7, 240, 222, 82, 86, 11, 149, 167, 72, 224, 55, 190, 66, 201, 65, 168, 184,
-        96, 47, 194, 241, 168, 124, 7, 74, 214, 250, 37, 76, 32, 218, 69, 122, 103, 215, 145, 169,
-        24, 212, 229, 168, 106, 10, 144, 31, 13, 25, 178, 242, 250, 106, 159, 40, 48, 163, 165, 61,
-        130, 57, 146, 4, 73, 32, 254, 233, 125, 135, 212, 29, 111, 4, 177, 114, 15, 210, 170, 82,
-        108, 110, 62, 166, 81, 209, 106, 176, 156, 14, 133, 242, 60, 127, 120, 242, 28, 97, 0, 1,
-        32, 103, 93, 109, 89, 240, 91, 1, 84, 150, 50, 206, 157, 203, 49, 220, 120, 234, 175, 234,
-        150, 126, 225, 94, 163, 164, 199, 138, 114, 62, 99, 106, 112, 1, 32, 171, 40, 220, 82, 241,
-        203, 76, 146, 111, 139, 182, 179, 237, 182, 115, 75, 128, 201, 107, 43, 214, 0, 135, 217,
-        160, 68, 150, 232, 144, 114, 237, 98, 32, 30, 134, 232, 59, 93, 163, 253, 244, 13, 202, 52,
-        147, 168, 83, 121, 123, 95, 21, 210, 209, 225, 223, 143, 49, 10, 205, 238, 1, 22, 83, 81,
-        70, 1, 32, 26, 76, 6, 234, 160, 50, 139, 102, 161, 232, 155, 106, 130, 171, 226, 210, 233,
-        178, 85, 247, 71, 123, 55, 53, 46, 67, 148, 137, 156, 207, 208, 107, 1, 32, 102, 31, 4, 98,
-        110, 156, 144, 61, 229, 140, 198, 84, 196, 238, 128, 35, 131, 182, 137, 125, 241, 95, 69,
-        131, 170, 27, 2, 144, 75, 72, 242, 102, 3, 32, 121, 80, 45, 173, 56, 65, 218, 27, 40, 251,
-        197, 32, 169, 104, 123, 110, 90, 78, 153, 166, 38, 9, 129, 228, 99, 8, 1, 116, 142, 233,
-        162, 69, 32, 216, 169, 159, 116, 95, 12, 63, 176, 195, 6, 183, 123, 135, 75, 61, 112, 106,
-        83, 235, 176, 41, 27, 248, 48, 71, 165, 170, 12, 92, 103, 103, 81, 32, 58, 74, 75, 145,
-        192, 94, 153, 69, 80, 128, 241, 3, 16, 117, 192, 86, 161, 103, 44, 174, 211, 196, 182, 124,
-        55, 11, 107, 142, 49, 88, 6, 41, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
-        6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
-        6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 0, 37, 139, 240, 0, 0,
-        0, 0, 0, 0, 0, 1,
-    ];
-    pub(crate) const RECIPIENT: &str = "CytBseW6yFXUMzz4SGAKdNLGR7q3sJLLYxyBGvutNEQV.4QXYyEVc5fUDjmmi8PrHN9tdUFV4PCvSJE1278cHyvoe@4sBbL1ngf1vtNqykydQKTFh26sQCw888GpUqvPvyNB4f";
-}

common/authenticator-requests/src/v2/registration.rs

@@ -29,7 +29,7 @@ pub type Taken = Option<SystemTime>;
 
 pub const BANDWIDTH_CAP_PER_DAY: u64 = 1024 * 1024 * 1024; // 1 GB
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct InitMessage {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,
@@ -41,7 +41,7 @@ impl InitMessage {
     }
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct FinalMessage {
     /// Gateway client data
     pub gateway_client: GatewayClient,
@@ -50,28 +50,28 @@ pub struct FinalMessage {
     pub credential: Option<CredentialSpendingData>,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RegistrationData {
     pub nonce: u64,
     pub gateway_data: GatewayClient,
     pub wg_port: u16,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RegistredData {
     pub pub_key: PeerPublicKey,
     pub private_ip: IpAddr,
     pub wg_port: u16,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RemainingBandwidthData {
     pub available_bandwidth: i64,
 }
 
 /// Client that wants to register sends its PublicKey bytes mac digest encrypted with a DH shared secret.
 /// Gateway/Nym node can then verify pub_key payload using the same process
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct GatewayClient {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,
@@ -147,7 +147,7 @@ impl GatewayClient {
 
 // TODO: change the inner type into generic array of size HmacSha256::OutputSize
 // TODO2: rely on our internal crypto/hmac
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone)]
 pub struct ClientMac(Vec<u8>);
 
 impl fmt::Display for ClientMac {

common/authenticator-requests/src/v2/request.rs

@@ -87,7 +87,7 @@ impl AuthenticatorRequest {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub enum AuthenticatorRequestData {
     Initial(InitMessage),
     Final(Box<FinalMessage>),

common/authenticator-requests/src/v2/response.rs

@@ -100,28 +100,28 @@ impl AuthenticatorResponse {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub enum AuthenticatorResponseData {
     PendingRegistration(PendingRegistrationResponse),
     Registered(RegisteredResponse),
     RemainingBandwidth(RemainingBandwidthResponse),
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct PendingRegistrationResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: RegistrationData,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct RegisteredResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: RegistredData,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct RemainingBandwidthResponse {
     pub request_id: u64,
     pub reply_to: Recipient,

common/authenticator-requests/src/v3/conversion.rs

@@ -19,24 +19,6 @@ impl From<v2::request::AuthenticatorRequest> for v3::request::AuthenticatorReque
     }
 }
 
-impl TryFrom<v3::request::AuthenticatorRequest> for v2::request::AuthenticatorRequest {
-    type Error = crate::Error;
-
-    fn try_from(
-        authenticator_request: v3::request::AuthenticatorRequest,
-    ) -> Result<Self, Self::Error> {
-        Ok(Self {
-            protocol: Protocol {
-                version: 2,
-                service_provider_type: ServiceProviderType::Authenticator,
-            },
-            data: authenticator_request.data.try_into()?,
-            reply_to: authenticator_request.reply_to,
-            request_id: authenticator_request.request_id,
-        })
-    }
-}
-
 impl From<v2::request::AuthenticatorRequestData> for v3::request::AuthenticatorRequestData {
     fn from(authenticator_request_data: v2::request::AuthenticatorRequestData) -> Self {
         match authenticator_request_data {
@@ -53,29 +35,6 @@ impl From<v2::request::AuthenticatorRequestData> for v3::request::AuthenticatorR
     }
 }
 
-impl TryFrom<v3::request::AuthenticatorRequestData> for v2::request::AuthenticatorRequestData {
-    type Error = crate::Error;
-
-    fn try_from(
-        authenticator_request_data: v3::request::AuthenticatorRequestData,
-    ) -> Result<Self, Self::Error> {
-        match authenticator_request_data {
-            v3::request::AuthenticatorRequestData::Initial(init_msg) => Ok(
-                v2::request::AuthenticatorRequestData::Initial(init_msg.into()),
-            ),
-            v3::request::AuthenticatorRequestData::Final(gw_client) => Ok(
-                v2::request::AuthenticatorRequestData::Final(gw_client.into()),
-            ),
-            v3::request::AuthenticatorRequestData::QueryBandwidth(pub_key) => Ok(
-                v2::request::AuthenticatorRequestData::QueryBandwidth(pub_key),
-            ),
-            v3::request::AuthenticatorRequestData::TopUpBandwidth(_) => Err(
-                Self::Error::Conversion("no top up bandwidth variant in v2".to_string()),
-            ),
-        }
-    }
-}
-
 impl From<v2::registration::InitMessage> for v3::registration::InitMessage {
     fn from(init_msg: v2::registration::InitMessage) -> Self {
         Self {
@@ -84,14 +43,6 @@ impl From<v2::registration::InitMessage> for v3::registration::InitMessage {
     }
 }
 
-impl From<v3::registration::InitMessage> for v2::registration::InitMessage {
-    fn from(init_msg: v3::registration::InitMessage) -> Self {
-        Self {
-            pub_key: init_msg.pub_key,
-        }
-    }
-}
-
 impl From<Box<v2::registration::FinalMessage>> for Box<v3::registration::FinalMessage> {
     fn from(gw_client: Box<v2::registration::FinalMessage>) -> Self {
         Box::new(v3::registration::FinalMessage {
@@ -101,15 +52,6 @@ impl From<Box<v2::registration::FinalMessage>> for Box<v3::registration::FinalMe
     }
 }
 
-impl From<Box<v3::registration::FinalMessage>> for Box<v2::registration::FinalMessage> {
-    fn from(gw_client: Box<v3::registration::FinalMessage>) -> Self {
-        Box::new(v2::registration::FinalMessage {
-            gateway_client: gw_client.gateway_client.into(),
-            credential: gw_client.credential,
-        })
-    }
-}
-
 impl From<v2::registration::GatewayClient> for v3::registration::GatewayClient {
     fn from(gw_client: v2::registration::GatewayClient) -> Self {
         Self {
@@ -151,10 +93,7 @@ impl TryFrom<v3::response::AuthenticatorResponse> for v2::response::Authenticato
         Ok(Self {
             data: authenticator_response.data.try_into()?,
             reply_to: authenticator_response.reply_to,
-            protocol: Protocol {
+            protocol: authenticator_response.protocol,
-                version: 2,
-                service_provider_type: authenticator_response.protocol.service_provider_type,
-            },
         })
     }
 }
@@ -162,10 +101,7 @@ impl TryFrom<v3::response::AuthenticatorResponse> for v2::response::Authenticato
 impl From<v2::response::AuthenticatorResponse> for v3::response::AuthenticatorResponse {
     fn from(value: v2::response::AuthenticatorResponse) -> Self {
         Self {
-            protocol: Protocol {
+            protocol: value.protocol,
-                version: 3,
-                service_provider_type: value.protocol.service_provider_type,
-            },
             data: value.data.into(),
             reply_to: value.reply_to,
         }
@@ -334,511 +270,3 @@ impl From<v2::registration::RemainingBandwidthData> for v3::registration::Remain
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use std::{net::IpAddr, str::FromStr};
-
-    use nym_credentials_interface::CredentialSpendingData;
-    use nym_crypto::asymmetric::encryption::PrivateKey;
-    use nym_sphinx::addressing::Recipient;
-    use nym_wireguard_types::PeerPublicKey;
-    use x25519_dalek::PublicKey;
-
-    use super::*;
-    use crate::util::tests::{CREDENTIAL_BYTES, RECIPIENT};
-
-    #[test]
-    fn upgrade_initial_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v2::request::AuthenticatorRequest::new_initial_request(
-            v2::registration::InitMessage::new(pub_key),
-            reply_to,
-        );
-        let upgraded_msg = v3::request::AuthenticatorRequest::from(msg);
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v3::request::AuthenticatorRequestData::Initial(v3::registration::InitMessage {
-                pub_key
-            })
-        );
-    }
-
-    #[test]
-    fn downgrade_initial_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v3::request::AuthenticatorRequest::new_initial_request(
-            v3::registration::InitMessage::new(pub_key),
-            reply_to,
-        );
-        let downgraded_msg = v2::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 2,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v2::request::AuthenticatorRequestData::Initial(v2::registration::InitMessage {
-                pub_key
-            })
-        );
-    }
-
-    #[test]
-    fn upgrade_final_req() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let private_ip = IpAddr::from_str("10.10.10.10").unwrap();
-        let nonce = 42;
-        let gateway_client = v2::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            private_ip,
-            nonce,
-        );
-        let credential = Some(CredentialSpendingData::try_from_bytes(&CREDENTIAL_BYTES).unwrap());
-        let final_message = v2::registration::FinalMessage {
-            gateway_client,
-            credential: credential.clone(),
-        };
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) =
-            v2::request::AuthenticatorRequest::new_final_request(final_message, reply_to);
-        let upgraded_msg = v3::request::AuthenticatorRequest::from(msg);
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v3::request::AuthenticatorRequestData::Final(Box::new(
-                v3::registration::FinalMessage {
-                    gateway_client: v3::registration::GatewayClient::new(
-                        &local_secret,
-                        (&remote_secret).into(),
-                        private_ip,
-                        nonce,
-                    ),
-                    credential
-                }
-            ))
-        );
-    }
-
-    #[test]
-    fn downgrade_final_req() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let private_ip = IpAddr::from_str("10.10.10.10").unwrap();
-        let nonce = 42;
-        let gateway_client = v3::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            private_ip,
-            nonce,
-        );
-        let credential = Some(CredentialSpendingData::try_from_bytes(&CREDENTIAL_BYTES).unwrap());
-        let final_message = v3::registration::FinalMessage {
-            gateway_client,
-            credential: credential.clone(),
-        };
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) =
-            v3::request::AuthenticatorRequest::new_final_request(final_message, reply_to);
-        let upgraded_msg = v2::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 2,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v2::request::AuthenticatorRequestData::Final(Box::new(
-                v2::registration::FinalMessage {
-                    gateway_client: v2::registration::GatewayClient::new(
-                        &local_secret,
-                        (&remote_secret).into(),
-                        private_ip,
-                        nonce,
-                    ),
-                    credential
-                }
-            ))
-        );
-    }
-
-    #[test]
-    fn upgrade_query_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v2::request::AuthenticatorRequest::new_query_request(pub_key, reply_to);
-        let upgraded_msg = v3::request::AuthenticatorRequest::from(msg);
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v3::request::AuthenticatorRequestData::QueryBandwidth(pub_key)
-        );
-    }
-
-    #[test]
-    fn downgrade_query_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v3::request::AuthenticatorRequest::new_query_request(pub_key, reply_to);
-        let downgraded_msg = v2::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 2,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v2::request::AuthenticatorRequestData::QueryBandwidth(pub_key)
-        );
-    }
-
-    #[test]
-    fn downgrade_topup_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let credential = CredentialSpendingData::try_from_bytes(&CREDENTIAL_BYTES).unwrap();
-        let top_up_message = v3::topup::TopUpMessage {
-            pub_key,
-            credential,
-        };
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) =
-            v3::request::AuthenticatorRequest::new_topup_request(top_up_message, reply_to);
-        assert!(v2::request::AuthenticatorRequest::try_from(msg).is_err());
-    }
-
-    #[test]
-    fn upgrade_pending_reg_resp() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let private_ip = IpAddr::from_str("10.10.10.10").unwrap();
-        let nonce = 42;
-        let wg_port = 51822;
-        let gateway_data = v2::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            private_ip,
-            nonce,
-        );
-        let registration_data = v2::registration::RegistrationData {
-            nonce,
-            gateway_data,
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v2::response::AuthenticatorResponse::new_pending_registration_success(
-            registration_data,
-            request_id,
-            reply_to,
-        );
-        let upgraded_msg = v3::response::AuthenticatorResponse::from(msg);
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v3::response::AuthenticatorResponseData::PendingRegistration(
-                v3::response::PendingRegistrationResponse {
-                    request_id,
-                    reply_to,
-                    reply: v3::registration::RegistrationData {
-                        nonce,
-                        gateway_data: v3::registration::GatewayClient::new(
-                            &local_secret,
-                            (&remote_secret).into(),
-                            private_ip,
-                            nonce,
-                        ),
-                        wg_port,
-                    }
-                }
-            )
-        );
-    }
-
-    #[test]
-    fn downgrade_pending_reg_resp() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let private_ip = IpAddr::from_str("10.10.10.10").unwrap();
-        let nonce = 42;
-        let wg_port = 51822;
-        let gateway_data = v3::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            private_ip,
-            nonce,
-        );
-        let registration_data = v3::registration::RegistrationData {
-            nonce,
-            gateway_data,
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v3::response::AuthenticatorResponse::new_pending_registration_success(
-            registration_data,
-            request_id,
-            reply_to,
-        );
-        let downgraded_msg = v2::response::AuthenticatorResponse::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 2,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v2::response::AuthenticatorResponseData::PendingRegistration(
-                v2::response::PendingRegistrationResponse {
-                    request_id,
-                    reply_to,
-                    reply: v2::registration::RegistrationData {
-                        nonce,
-                        gateway_data: v2::registration::GatewayClient::new(
-                            &local_secret,
-                            (&remote_secret).into(),
-                            private_ip,
-                            nonce,
-                        ),
-                        wg_port,
-                    }
-                }
-            )
-        );
-    }
-
-    #[test]
-    fn upgrade_registered_resp() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let private_ip = IpAddr::from_str("10.10.10.10").unwrap();
-        let wg_port = 51822;
-        let registred_data = v2::registration::RegistredData {
-            pub_key,
-            private_ip,
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v2::response::AuthenticatorResponse::new_registered(
-            registred_data,
-            reply_to,
-            request_id,
-        );
-        let upgraded_msg = v3::response::AuthenticatorResponse::from(msg);
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v3::response::AuthenticatorResponseData::Registered(v3::response::RegisteredResponse {
-                request_id,
-                reply_to,
-                reply: v3::registration::RegistredData {
-                    wg_port,
-                    pub_key,
-                    private_ip
-                }
-            })
-        );
-    }
-
-    #[test]
-    fn downgrade_registered_resp() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let private_ip = IpAddr::from_str("10.10.10.10").unwrap();
-        let wg_port = 51822;
-        let registred_data = v3::registration::RegistredData {
-            pub_key,
-            private_ip,
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v3::response::AuthenticatorResponse::new_registered(
-            registred_data,
-            reply_to,
-            request_id,
-        );
-        let downgraded_msg = v2::response::AuthenticatorResponse::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 2,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v2::response::AuthenticatorResponseData::Registered(v2::response::RegisteredResponse {
-                request_id,
-                reply_to,
-                reply: v2::registration::RegistredData {
-                    wg_port,
-                    pub_key,
-                    private_ip
-                }
-            })
-        );
-    }
-
-    #[test]
-    fn upgrade_remaining_bandwidth_resp() {
-        let available_bandwidth = 42;
-        let remaining_bandwidth_data = Some(v2::registration::RemainingBandwidthData {
-            available_bandwidth,
-        });
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v2::response::AuthenticatorResponse::new_remaining_bandwidth(
-            remaining_bandwidth_data,
-            reply_to,
-            request_id,
-        );
-        let upgraded_msg = v3::response::AuthenticatorResponse::from(msg);
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v3::response::AuthenticatorResponseData::RemainingBandwidth(
-                v3::response::RemainingBandwidthResponse {
-                    request_id,
-                    reply_to,
-                    reply: Some(v3::registration::RemainingBandwidthData {
-                        available_bandwidth,
-                    })
-                }
-            )
-        );
-    }
-
-    #[test]
-    fn downgrade_remaining_bandwidth_resp() {
-        let available_bandwidth = 42;
-        let remaining_bandwidth_data = Some(v3::registration::RemainingBandwidthData {
-            available_bandwidth,
-        });
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v3::response::AuthenticatorResponse::new_remaining_bandwidth(
-            remaining_bandwidth_data,
-            reply_to,
-            request_id,
-        );
-        let downgraded_msg = v2::response::AuthenticatorResponse::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 2,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v2::response::AuthenticatorResponseData::RemainingBandwidth(
-                v2::response::RemainingBandwidthResponse {
-                    request_id,
-                    reply_to,
-                    reply: Some(v2::registration::RemainingBandwidthData {
-                        available_bandwidth,
-                    })
-                }
-            )
-        );
-    }
-
-    #[test]
-    fn downgrade_topup_resp() {
-        let available_bandwidth = 42;
-        let remaining_bandwidth_data = v3::registration::RemainingBandwidthData {
-            available_bandwidth,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v3::response::AuthenticatorResponse::new_topup_bandwidth(
-            remaining_bandwidth_data,
-            reply_to,
-            request_id,
-        );
-        assert!(v2::response::AuthenticatorResponse::try_from(msg).is_err());
-    }
-}

common/authenticator-requests/src/v3/registration.rs

@@ -29,7 +29,7 @@ pub type Taken = Option<SystemTime>;
 
 pub const BANDWIDTH_CAP_PER_DAY: u64 = 250 * 1024 * 1024 * 1024; // 250 GB
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct InitMessage {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,
@@ -41,7 +41,7 @@ impl InitMessage {
     }
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct FinalMessage {
     /// Gateway client data
     pub gateway_client: GatewayClient,
@@ -50,28 +50,28 @@ pub struct FinalMessage {
     pub credential: Option<CredentialSpendingData>,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RegistrationData {
     pub nonce: u64,
     pub gateway_data: GatewayClient,
     pub wg_port: u16,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RegistredData {
     pub pub_key: PeerPublicKey,
     pub private_ip: IpAddr,
     pub wg_port: u16,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RemainingBandwidthData {
     pub available_bandwidth: i64,
 }
 
 /// Client that wants to register sends its PublicKey bytes mac digest encrypted with a DH shared secret.
 /// Gateway/Nym node can then verify pub_key payload using the same process
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct GatewayClient {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,
@@ -147,7 +147,7 @@ impl GatewayClient {
 
 // TODO: change the inner type into generic array of size HmacSha256::OutputSize
 // TODO2: rely on our internal crypto/hmac
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone)]
 pub struct ClientMac(Vec<u8>);
 
 impl fmt::Display for ClientMac {

common/authenticator-requests/src/v3/request.rs

@@ -106,7 +106,7 @@ impl AuthenticatorRequest {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub enum AuthenticatorRequestData {
     Initial(InitMessage),
     Final(Box<FinalMessage>),

common/authenticator-requests/src/v3/response.rs

@@ -120,7 +120,7 @@ impl AuthenticatorResponse {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub enum AuthenticatorResponseData {
     PendingRegistration(PendingRegistrationResponse),
     Registered(RegisteredResponse),
@@ -128,28 +128,28 @@ pub enum AuthenticatorResponseData {
     TopUpBandwidth(TopUpBandwidthResponse),
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct PendingRegistrationResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: RegistrationData,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct RegisteredResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: RegistredData,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct RemainingBandwidthResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: Option<RemainingBandwidthData>,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct TopUpBandwidthResponse {
     pub request_id: u64,
     pub reply_to: Recipient,

common/authenticator-requests/src/v3/topup.rs

@@ -5,7 +5,7 @@ use nym_credentials_interface::CredentialSpendingData;
 use nym_wireguard_types::PeerPublicKey;
 use serde::{Deserialize, Serialize};
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct TopUpMessage {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,

common/authenticator-requests/src/v4/conversion.rs

@@ -3,82 +3,37 @@
 
 use nym_service_provider_requests_common::{Protocol, ServiceProviderType};
 
-use crate::{v3, v4};
+use crate::{v2, v3, v4};
 
-impl TryFrom<v3::request::AuthenticatorRequest> for v4::request::AuthenticatorRequest {
+impl From<v3::request::AuthenticatorRequest> for v4::request::AuthenticatorRequest {
-    type Error = crate::Error;
+    fn from(authenticator_request: v3::request::AuthenticatorRequest) -> Self {
-    fn try_from(
+        Self {
-        authenticator_request: v3::request::AuthenticatorRequest,
-    ) -> Result<Self, Self::Error> {
-        Ok(Self {
             protocol: Protocol {
                 version: 4,
                 service_provider_type: ServiceProviderType::Authenticator,
             },
-            data: authenticator_request.data.try_into()?,
+            data: authenticator_request.data.into(),
             reply_to: authenticator_request.reply_to,
             request_id: authenticator_request.request_id,
-        })
-    }
-}
-
-impl TryFrom<v4::request::AuthenticatorRequest> for v3::request::AuthenticatorRequest {
-    type Error = crate::Error;
-    fn try_from(
-        authenticator_request: v4::request::AuthenticatorRequest,
-    ) -> Result<Self, Self::Error> {
-        Ok(Self {
-            protocol: Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator,
-            },
-            data: authenticator_request.data.try_into()?,
-            reply_to: authenticator_request.reply_to,
-            request_id: authenticator_request.request_id,
-        })
-    }
-}
-
-impl TryFrom<v3::request::AuthenticatorRequestData> for v4::request::AuthenticatorRequestData {
-    type Error = crate::Error;
-    fn try_from(
-        authenticator_request_data: v3::request::AuthenticatorRequestData,
-    ) -> Result<Self, Self::Error> {
-        match authenticator_request_data {
-            v3::request::AuthenticatorRequestData::Initial(init_msg) => Ok(
-                v4::request::AuthenticatorRequestData::Initial(init_msg.into()),
-            ),
-            v3::request::AuthenticatorRequestData::Final(_) => Err(Self::Error::Conversion(
-                "mac hash breaking change".to_string(),
-            )),
-            v3::request::AuthenticatorRequestData::QueryBandwidth(pub_key) => Ok(
-                v4::request::AuthenticatorRequestData::QueryBandwidth(pub_key),
-            ),
-            v3::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => Ok(
-                v4::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message.into()),
-            ),
         }
     }
 }
 
-impl TryFrom<v4::request::AuthenticatorRequestData> for v3::request::AuthenticatorRequestData {
+impl From<v3::request::AuthenticatorRequestData> for v4::request::AuthenticatorRequestData {
-    type Error = crate::Error;
+    fn from(authenticator_request_data: v3::request::AuthenticatorRequestData) -> Self {
-    fn try_from(
-        authenticator_request_data: v4::request::AuthenticatorRequestData,
-    ) -> Result<Self, Self::Error> {
         match authenticator_request_data {
-            v4::request::AuthenticatorRequestData::Initial(init_msg) => Ok(
+            v3::request::AuthenticatorRequestData::Initial(init_msg) => {
-                v3::request::AuthenticatorRequestData::Initial(init_msg.into()),
+                v4::request::AuthenticatorRequestData::Initial(init_msg.into())
-            ),
+            }
-            v4::request::AuthenticatorRequestData::Final(_) => Err(Self::Error::Conversion(
+            v3::request::AuthenticatorRequestData::Final(gw_client) => {
-                "mac hash breaking change".to_string(),
+                v4::request::AuthenticatorRequestData::Final(gw_client.into())
-            )),
+            }
-            v4::request::AuthenticatorRequestData::QueryBandwidth(pub_key) => Ok(
+            v3::request::AuthenticatorRequestData::QueryBandwidth(pub_key) => {
-                v3::request::AuthenticatorRequestData::QueryBandwidth(pub_key),
+                v4::request::AuthenticatorRequestData::QueryBandwidth(pub_key)
-            ),
+            }
-            v4::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => Ok(
+            v3::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
-                v3::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message.into()),
+                v4::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message.into())
-            ),
+            }
         }
     }
 }
@@ -91,11 +46,12 @@ impl From<v3::registration::InitMessage> for v4::registration::InitMessage {
     }
 }
 
-impl From<v4::registration::InitMessage> for v3::registration::InitMessage {
+impl From<Box<v3::registration::FinalMessage>> for Box<v4::registration::FinalMessage> {
-    fn from(init_msg: v4::registration::InitMessage) -> Self {
+    fn from(gw_client: Box<v3::registration::FinalMessage>) -> Self {
-        Self {
+        Box::new(v4::registration::FinalMessage {
-            pub_key: init_msg.pub_key,
+            gateway_client: gw_client.gateway_client.into(),
-        }
+            credential: gw_client.credential,
+        })
     }
 }
 
@@ -108,26 +64,67 @@ impl From<Box<v3::topup::TopUpMessage>> for Box<v4::topup::TopUpMessage> {
     }
 }
 
-impl From<Box<v4::topup::TopUpMessage>> for Box<v3::topup::TopUpMessage> {
+impl From<v2::registration::GatewayClient> for v4::registration::GatewayClient {
-    fn from(top_up_message: Box<v4::topup::TopUpMessage>) -> Self {
+    fn from(gw_client: v2::registration::GatewayClient) -> Self {
-        Box::new(v3::topup::TopUpMessage {
+        Self {
-            pub_key: top_up_message.pub_key,
+            pub_key: gw_client.pub_key,
-            credential: top_up_message.credential,
+            private_ips: gw_client.private_ip.into(),
-        })
+            mac: gw_client.mac.into(),
+        }
     }
 }
 
-impl TryFrom<v3::response::AuthenticatorResponse> for v4::response::AuthenticatorResponse {
+impl From<v3::registration::GatewayClient> for v4::registration::GatewayClient {
-    type Error = crate::Error;
+    fn from(gw_client: v3::registration::GatewayClient) -> Self {
-    fn try_from(value: v3::response::AuthenticatorResponse) -> Result<Self, Self::Error> {
+        Self {
-        Ok(Self {
+            pub_key: gw_client.pub_key,
-            protocol: Protocol {
+            private_ips: gw_client.private_ip.into(),
-                version: 4,
+            mac: gw_client.mac.into(),
-                service_provider_type: value.protocol.service_provider_type,
+        }
-            },
+    }
-            data: value.data.try_into()?,
+}
-            reply_to: value.reply_to,
+
-        })
+impl From<v4::registration::GatewayClient> for v3::registration::GatewayClient {
+    fn from(gw_client: v4::registration::GatewayClient) -> Self {
+        Self {
+            pub_key: gw_client.pub_key,
+            private_ip: gw_client.private_ips.ipv4.into(),
+            mac: gw_client.mac.into(),
+        }
+    }
+}
+
+impl From<v4::registration::GatewayClient> for v2::registration::GatewayClient {
+    fn from(gw_client: v4::registration::GatewayClient) -> Self {
+        Self {
+            pub_key: gw_client.pub_key,
+            private_ip: gw_client.private_ips.ipv4.into(),
+            mac: gw_client.mac.into(),
+        }
+    }
+}
+
+impl From<v2::registration::ClientMac> for v4::registration::ClientMac {
+    fn from(mac: v2::registration::ClientMac) -> Self {
+        Self::new(mac.to_vec())
+    }
+}
+
+impl From<v3::registration::ClientMac> for v4::registration::ClientMac {
+    fn from(mac: v3::registration::ClientMac) -> Self {
+        Self::new(mac.to_vec())
+    }
+}
+
+impl From<v4::registration::ClientMac> for v3::registration::ClientMac {
+    fn from(mac: v4::registration::ClientMac) -> Self {
+        Self::new(mac.to_vec())
+    }
+}
+
+impl From<v4::registration::ClientMac> for v2::registration::ClientMac {
+    fn from(mac: v4::registration::ClientMac) -> Self {
+        Self::new(mac.to_vec())
     }
 }
 
@@ -140,40 +137,11 @@ impl TryFrom<v4::response::AuthenticatorResponse> for v3::response::Authenticato
         Ok(Self {
             data: authenticator_response.data.try_into()?,
             reply_to: authenticator_response.reply_to,
-            protocol: Protocol {
+            protocol: authenticator_response.protocol,
-                version: 3,
-                service_provider_type: authenticator_response.protocol.service_provider_type,
-            },
         })
     }
 }
 
-impl TryFrom<v3::response::AuthenticatorResponseData> for v4::response::AuthenticatorResponseData {
-    type Error = crate::Error;
-    fn try_from(
-        authenticator_response_data: v3::response::AuthenticatorResponseData,
-    ) -> Result<Self, Self::Error> {
-        match authenticator_response_data {
-            v3::response::AuthenticatorResponseData::PendingRegistration(_) => Err(
-                Self::Error::Conversion("mac hash breaking change".to_string()),
-            ),
-
-            v3::response::AuthenticatorResponseData::Registered(registered_response) => Ok(
-                v4::response::AuthenticatorResponseData::Registered(registered_response.into()),
-            ),
-
-            v3::response::AuthenticatorResponseData::RemainingBandwidth(
-                remaining_bandwidth_response,
-            ) => Ok(v4::response::AuthenticatorResponseData::RemainingBandwidth(
-                remaining_bandwidth_response.into(),
-            )),
-            v3::response::AuthenticatorResponseData::TopUpBandwidth(top_up_response) => Ok(
-                v4::response::AuthenticatorResponseData::TopUpBandwidth(top_up_response.into()),
-            ),
-        }
-    }
-}
-
 impl TryFrom<v4::response::AuthenticatorResponseData> for v3::response::AuthenticatorResponseData {
     type Error = crate::Error;
 
@@ -181,10 +149,13 @@ impl TryFrom<v4::response::AuthenticatorResponseData> for v3::response::Authenti
         authenticator_response_data: v4::response::AuthenticatorResponseData,
     ) -> Result<Self, Self::Error> {
         match authenticator_response_data {
-            v4::response::AuthenticatorResponseData::PendingRegistration(_) => Err(
+            v4::response::AuthenticatorResponseData::PendingRegistration(
-                Self::Error::Conversion("mac hash breaking change".to_string()),
+                pending_registration_response,
+            ) => Ok(
+                v3::response::AuthenticatorResponseData::PendingRegistration(
+                    pending_registration_response.into(),
+                ),
             ),
-
             v4::response::AuthenticatorResponseData::Registered(registered_response) => Ok(
                 v3::response::AuthenticatorResponseData::Registered(registered_response.into()),
             ),
@@ -202,6 +173,16 @@ impl TryFrom<v4::response::AuthenticatorResponseData> for v3::response::Authenti
     }
 }
 
+impl From<v4::response::PendingRegistrationResponse> for v3::response::PendingRegistrationResponse {
+    fn from(value: v4::response::PendingRegistrationResponse) -> Self {
+        Self {
+            request_id: value.request_id,
+            reply_to: value.reply_to,
+            reply: value.reply.into(),
+        }
+    }
+}
+
 impl From<v4::response::RegisteredResponse> for v3::response::RegisteredResponse {
     fn from(value: v4::response::RegisteredResponse) -> Self {
         Self {
@@ -212,26 +193,6 @@ impl From<v4::response::RegisteredResponse> for v3::response::RegisteredResponse
     }
 }
 
-impl From<v3::response::RegisteredResponse> for v4::response::RegisteredResponse {
-    fn from(value: v3::response::RegisteredResponse) -> Self {
-        Self {
-            request_id: value.request_id,
-            reply_to: value.reply_to,
-            reply: value.reply.into(),
-        }
-    }
-}
-
-impl From<v3::response::RemainingBandwidthResponse> for v4::response::RemainingBandwidthResponse {
-    fn from(value: v3::response::RemainingBandwidthResponse) -> Self {
-        Self {
-            request_id: value.request_id,
-            reply_to: value.reply_to,
-            reply: value.reply.map(Into::into),
-        }
-    }
-}
-
 impl From<v4::response::RemainingBandwidthResponse> for v3::response::RemainingBandwidthResponse {
     fn from(value: v4::response::RemainingBandwidthResponse) -> Self {
         Self {
@@ -242,31 +203,11 @@ impl From<v4::response::RemainingBandwidthResponse> for v3::response::RemainingB
     }
 }
 
-impl From<v3::response::TopUpBandwidthResponse> for v4::response::TopUpBandwidthResponse {
+impl From<v4::registration::RegistrationData> for v3::registration::RegistrationData {
-    fn from(value: v3::response::TopUpBandwidthResponse) -> Self {
+    fn from(value: v4::registration::RegistrationData) -> Self {
         Self {
-            request_id: value.request_id,
+            nonce: value.nonce,
-            reply_to: value.reply_to,
+            gateway_data: value.gateway_data.into(),
-            reply: value.reply.into(),
-        }
-    }
-}
-
-impl From<v4::response::TopUpBandwidthResponse> for v3::response::TopUpBandwidthResponse {
-    fn from(value: v4::response::TopUpBandwidthResponse) -> Self {
-        Self {
-            request_id: value.request_id,
-            reply_to: value.reply_to,
-            reply: value.reply.into(),
-        }
-    }
-}
-
-impl From<v3::registration::RegistredData> for v4::registration::RegistredData {
-    fn from(value: v3::registration::RegistredData) -> Self {
-        Self {
-            pub_key: value.pub_key,
-            private_ips: value.private_ip.into(),
             wg_port: value.wg_port,
         }
     }
@@ -282,14 +223,6 @@ impl From<v4::registration::RegistredData> for v3::registration::RegistredData {
     }
 }
 
-impl From<v3::registration::RemainingBandwidthData> for v4::registration::RemainingBandwidthData {
-    fn from(value: v3::registration::RemainingBandwidthData) -> Self {
-        Self {
-            available_bandwidth: value.available_bandwidth,
-        }
-    }
-}
-
 impl From<v4::registration::RemainingBandwidthData> for v3::registration::RemainingBandwidthData {
     fn from(value: v4::registration::RemainingBandwidthData) -> Self {
         Self {
@@ -297,441 +230,3 @@ impl From<v4::registration::RemainingBandwidthData> for v3::registration::Remain
         }
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use std::{
-        net::{Ipv4Addr, Ipv6Addr},
-        str::FromStr,
-    };
-
-    use nym_credentials_interface::CredentialSpendingData;
-    use nym_crypto::asymmetric::encryption::PrivateKey;
-    use nym_sphinx::addressing::Recipient;
-    use nym_wireguard_types::PeerPublicKey;
-    use x25519_dalek::PublicKey;
-
-    use super::*;
-    use crate::util::tests::{CREDENTIAL_BYTES, RECIPIENT};
-
-    #[test]
-    fn upgrade_initial_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v3::request::AuthenticatorRequest::new_initial_request(
-            v3::registration::InitMessage::new(pub_key),
-            reply_to,
-        );
-        let upgraded_msg = v4::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 4,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v4::request::AuthenticatorRequestData::Initial(v4::registration::InitMessage {
-                pub_key
-            })
-        );
-    }
-
-    #[test]
-    fn downgrade_initial_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v4::request::AuthenticatorRequest::new_initial_request(
-            v4::registration::InitMessage::new(pub_key),
-            reply_to,
-        );
-        let downgraded_msg = v3::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v3::request::AuthenticatorRequestData::Initial(v3::registration::InitMessage {
-                pub_key
-            })
-        );
-    }
-
-    #[test]
-    fn upgrade_final_req() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let ipv4 = Ipv4Addr::from_str("10.10.10.10").unwrap();
-        let nonce = 42;
-        let gateway_client = v3::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            ipv4.into(),
-            nonce,
-        );
-        let credential = Some(CredentialSpendingData::try_from_bytes(&CREDENTIAL_BYTES).unwrap());
-        let final_message = v3::registration::FinalMessage {
-            gateway_client,
-            credential: credential.clone(),
-        };
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) =
-            v3::request::AuthenticatorRequest::new_final_request(final_message, reply_to);
-        assert!(v4::request::AuthenticatorRequest::try_from(msg).is_err());
-    }
-
-    #[test]
-    fn downgrade_final_req() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let ipv4 = Ipv4Addr::from_str("10.10.10.10").unwrap();
-        let private_ips =
-            v4::registration::IpPair::new(ipv4, Ipv6Addr::from_str("fc01::10").unwrap());
-        let nonce = 42;
-        let gateway_client = v4::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            private_ips,
-            nonce,
-        );
-        let credential = Some(CredentialSpendingData::try_from_bytes(&CREDENTIAL_BYTES).unwrap());
-        let final_message = v4::registration::FinalMessage {
-            gateway_client,
-            credential: credential.clone(),
-        };
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) =
-            v4::request::AuthenticatorRequest::new_final_request(final_message, reply_to);
-        assert!(v3::request::AuthenticatorRequest::try_from(msg).is_err());
-    }
-
-    #[test]
-    fn upgrade_query_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v3::request::AuthenticatorRequest::new_query_request(pub_key, reply_to);
-        let upgraded_msg = v4::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 4,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v4::request::AuthenticatorRequestData::QueryBandwidth(pub_key)
-        );
-    }
-
-    #[test]
-    fn downgrade_query_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) = v4::request::AuthenticatorRequest::new_query_request(pub_key, reply_to);
-        let downgraded_msg = v3::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v3::request::AuthenticatorRequestData::QueryBandwidth(pub_key)
-        );
-    }
-
-    #[test]
-    fn downgrade_topup_req() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let credential = CredentialSpendingData::try_from_bytes(&CREDENTIAL_BYTES).unwrap();
-        let top_up_message = v4::topup::TopUpMessage {
-            pub_key,
-            credential: credential.clone(),
-        };
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let (msg, _) =
-            v4::request::AuthenticatorRequest::new_topup_request(top_up_message, reply_to);
-        let downgraded_msg = v3::request::AuthenticatorRequest::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v3::request::AuthenticatorRequestData::TopUpBandwidth(Box::new(
-                v3::topup::TopUpMessage {
-                    pub_key,
-                    credential
-                }
-            ))
-        );
-    }
-
-    #[test]
-    fn upgrade_pending_reg_resp() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let ipv4 = Ipv4Addr::from_str("10.10.10.10").unwrap();
-        let nonce = 42;
-        let wg_port = 51822;
-        let gateway_data = v3::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            ipv4.into(),
-            nonce,
-        );
-        let registration_data = v3::registration::RegistrationData {
-            nonce,
-            gateway_data,
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v3::response::AuthenticatorResponse::new_pending_registration_success(
-            registration_data,
-            request_id,
-            reply_to,
-        );
-        assert!(v4::response::AuthenticatorResponse::try_from(msg).is_err());
-    }
-
-    #[test]
-    fn downgrade_pending_reg_resp() {
-        let mut rng = rand::thread_rng();
-
-        let local_secret = PrivateKey::new(&mut rng);
-        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
-        let ipv4 = Ipv4Addr::from_str("10.10.10.10").unwrap();
-        let private_ips =
-            v4::registration::IpPair::new(ipv4, Ipv6Addr::from_str("fc01::10").unwrap());
-        let nonce = 42;
-        let wg_port = 51822;
-        let gateway_data = v4::registration::GatewayClient::new(
-            &local_secret,
-            (&remote_secret).into(),
-            private_ips,
-            nonce,
-        );
-        let registration_data = v4::registration::RegistrationData {
-            nonce,
-            gateway_data,
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v4::response::AuthenticatorResponse::new_pending_registration_success(
-            registration_data,
-            request_id,
-            reply_to,
-        );
-        assert!(v3::response::AuthenticatorResponse::try_from(msg).is_err());
-    }
-
-    #[test]
-    fn upgrade_registered_resp() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let ipv4 = Ipv4Addr::from_str("10.1.10.10").unwrap();
-        let private_ips =
-            v4::registration::IpPair::new(ipv4, Ipv6Addr::from_str("fc01::a0a").unwrap());
-        let wg_port = 51822;
-        let registred_data = v3::registration::RegistredData {
-            pub_key,
-            private_ip: ipv4.into(),
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v3::response::AuthenticatorResponse::new_registered(
-            registred_data,
-            reply_to,
-            request_id,
-        );
-        let upgraded_msg = v4::response::AuthenticatorResponse::try_from(msg).unwrap();
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 4,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v4::response::AuthenticatorResponseData::Registered(v4::response::RegisteredResponse {
-                request_id,
-                reply_to,
-                reply: v4::registration::RegistredData {
-                    wg_port,
-                    pub_key,
-                    private_ips
-                }
-            })
-        );
-    }
-
-    #[test]
-    fn downgrade_registered_resp() {
-        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
-        let ipv4 = Ipv4Addr::from_str("10.10.10.10").unwrap();
-        let private_ips =
-            v4::registration::IpPair::new(ipv4, Ipv6Addr::from_str("fc01::10").unwrap());
-        let wg_port = 51822;
-        let registred_data = v4::registration::RegistredData {
-            pub_key,
-            private_ips,
-            wg_port,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v4::response::AuthenticatorResponse::new_registered(
-            registred_data,
-            reply_to,
-            request_id,
-        );
-        let downgraded_msg = v3::response::AuthenticatorResponse::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v3::response::AuthenticatorResponseData::Registered(v3::response::RegisteredResponse {
-                request_id,
-                reply_to,
-                reply: v3::registration::RegistredData {
-                    wg_port,
-                    pub_key,
-                    private_ip: ipv4.into()
-                }
-            })
-        );
-    }
-
-    #[test]
-    fn upgrade_remaining_bandwidth_resp() {
-        let available_bandwidth = 42;
-        let remaining_bandwidth_data = Some(v3::registration::RemainingBandwidthData {
-            available_bandwidth,
-        });
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v3::response::AuthenticatorResponse::new_remaining_bandwidth(
-            remaining_bandwidth_data,
-            reply_to,
-            request_id,
-        );
-        let upgraded_msg = v4::response::AuthenticatorResponse::try_from(msg).unwrap();
-
-        assert_eq!(
-            upgraded_msg.protocol,
-            Protocol {
-                version: 4,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            upgraded_msg.data,
-            v4::response::AuthenticatorResponseData::RemainingBandwidth(
-                v4::response::RemainingBandwidthResponse {
-                    request_id,
-                    reply_to,
-                    reply: Some(v4::registration::RemainingBandwidthData {
-                        available_bandwidth,
-                    })
-                }
-            )
-        );
-    }
-
-    #[test]
-    fn downgrade_remaining_bandwidth_resp() {
-        let available_bandwidth = 42;
-        let remaining_bandwidth_data = Some(v4::registration::RemainingBandwidthData {
-            available_bandwidth,
-        });
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v4::response::AuthenticatorResponse::new_remaining_bandwidth(
-            remaining_bandwidth_data,
-            reply_to,
-            request_id,
-        );
-        let downgraded_msg = v3::response::AuthenticatorResponse::try_from(msg).unwrap();
-
-        assert_eq!(
-            downgraded_msg.protocol,
-            Protocol {
-                version: 3,
-                service_provider_type: ServiceProviderType::Authenticator
-            }
-        );
-        assert_eq!(
-            downgraded_msg.data,
-            v3::response::AuthenticatorResponseData::RemainingBandwidth(
-                v3::response::RemainingBandwidthResponse {
-                    request_id,
-                    reply_to,
-                    reply: Some(v3::registration::RemainingBandwidthData {
-                        available_bandwidth,
-                    })
-                }
-            )
-        );
-    }
-
-    #[test]
-    fn downgrade_topup_resp() {
-        let available_bandwidth = 42;
-        let remaining_bandwidth_data = v4::registration::RemainingBandwidthData {
-            available_bandwidth,
-        };
-        let request_id = 123;
-        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
-
-        let msg = v4::response::AuthenticatorResponse::new_topup_bandwidth(
-            remaining_bandwidth_data,
-            reply_to,
-            request_id,
-        );
-        assert!(v3::response::AuthenticatorResponse::try_from(msg).is_err());
-    }
-}

common/authenticator-requests/src/v4/registration.rs

@@ -28,7 +28,7 @@ pub type HmacSha256 = Hmac<Sha256>;
 pub type Nonce = u64;
 pub type Taken = Option<SystemTime>;
 
-pub const BANDWIDTH_CAP_PER_DAY: u64 = 250 * 1024 * 1024 * 1024; // 250 GB
+pub const BANDWIDTH_CAP_PER_DAY: u64 = 1024 * 1024 * 1024; // 1 GB
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
 pub struct IpPair {
@@ -60,7 +60,7 @@ impl From<IpAddr> for IpPair {
             std::net::IpAddr::V4(ipv4_addr) => (ipv4_addr.octets()[2], ipv4_addr.octets()[3]),
             std::net::IpAddr::V6(ipv6_addr) => (ipv6_addr.octets()[14], ipv6_addr.octets()[15]),
         };
-        let last_bytes = ((before_last_byte as u16) << 8) | last_byte as u16;
+        let last_bytes = (before_last_byte as u16) << 8 | last_byte as u16;
         let ipv4 = Ipv4Addr::new(
             WG_TUN_DEVICE_IP_ADDRESS_V4.octets()[0],
             WG_TUN_DEVICE_IP_ADDRESS_V4.octets()[1],
@@ -81,7 +81,7 @@ impl From<IpAddr> for IpPair {
     }
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct InitMessage {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,
@@ -93,7 +93,7 @@ impl InitMessage {
     }
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct FinalMessage {
     /// Gateway client data
     pub gateway_client: GatewayClient,
@@ -102,28 +102,28 @@ pub struct FinalMessage {
     pub credential: Option<CredentialSpendingData>,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RegistrationData {
     pub nonce: u64,
     pub gateway_data: GatewayClient,
     pub wg_port: u16,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RegistredData {
     pub pub_key: PeerPublicKey,
     pub private_ips: IpPair,
     pub wg_port: u16,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct RemainingBandwidthData {
     pub available_bandwidth: i64,
 }
 
 /// Client that wants to register sends its PublicKey bytes mac digest encrypted with a DH shared secret.
 /// Gateway/Nym node can then verify pub_key payload using the same process
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct GatewayClient {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,
@@ -199,7 +199,7 @@ impl GatewayClient {
 
 // TODO: change the inner type into generic array of size HmacSha256::OutputSize
 // TODO2: rely on our internal crypto/hmac
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone)]
 pub struct ClientMac(Vec<u8>);
 
 impl fmt::Display for ClientMac {

common/authenticator-requests/src/v4/request.rs

@@ -20,7 +20,7 @@ fn generate_random() -> u64 {
     rng.next_u64()
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct AuthenticatorRequest {
     pub protocol: Protocol,
     pub data: AuthenticatorRequestData,
@@ -106,7 +106,7 @@ impl AuthenticatorRequest {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub enum AuthenticatorRequestData {
     Initial(InitMessage),
     Final(Box<FinalMessage>),

common/authenticator-requests/src/v4/response.rs

@@ -10,7 +10,7 @@ use crate::make_bincode_serializer;
 
 use super::VERSION;
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct AuthenticatorResponse {
     pub protocol: Protocol,
     pub data: AuthenticatorResponseData,
@@ -120,7 +120,7 @@ impl AuthenticatorResponse {
     }
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub enum AuthenticatorResponseData {
     PendingRegistration(PendingRegistrationResponse),
     Registered(RegisteredResponse),
@@ -128,28 +128,28 @@ pub enum AuthenticatorResponseData {
     TopUpBandwidth(TopUpBandwidthResponse),
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct PendingRegistrationResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: RegistrationData,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct RegisteredResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: RegistredData,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct RemainingBandwidthResponse {
     pub request_id: u64,
     pub reply_to: Recipient,
     pub reply: Option<RemainingBandwidthData>,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct TopUpBandwidthResponse {
     pub request_id: u64,
     pub reply_to: Recipient,

common/authenticator-requests/src/v4/topup.rs

@@ -5,7 +5,7 @@ use nym_credentials_interface::CredentialSpendingData;
 use nym_wireguard_types::PeerPublicKey;
 use serde::{Deserialize, Serialize};
 
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct TopUpMessage {
     /// Base64 encoded x25519 public key
     pub pub_key: PeerPublicKey,

common/bandwidth-controller/src/acquire/mod.rs

@@ -17,7 +17,7 @@ use nym_validator_client::coconut::all_ecash_api_clients;
 use nym_validator_client::nym_api::EpochId;
 use nym_validator_client::nyxd::contract_traits::EcashSigningClient;
 use nym_validator_client::nyxd::contract_traits::{DkgQueryClient, EcashQueryClient};
-use nym_validator_client::nyxd::cosmwasm_client::ContractResponseData;
+use nym_validator_client::nyxd::cosmwasm_client::ToSingletonContractData;
 use nym_validator_client::EcashApiClient;
 use rand::rngs::OsRng;
 

common/bandwidth-controller/src/lib.rs

@@ -105,24 +105,26 @@ impl<C, St: Storage> BandwidthController<C, St> {
     async fn get_aggregate_verification_key(
         &self,
         epoch_id: EpochId,
-        ecash_apis: &mut ApiClientsWrapper<'_, C>,
+        apis: &mut ApiClientsWrapper,
     ) -> Result<VerificationKeyAuth, BandwidthControllerError>
     where
         C: DkgQueryClient + Sync + Send,
         <St as Storage>::StorageError: Send + Sync + 'static,
     {
+        let ecash_apis = apis.get_or_init(epoch_id, &self.client).await?;
         get_aggregate_verification_key(&self.storage, epoch_id, ecash_apis).await
     }
 
     async fn get_coin_index_signatures(
         &self,
         epoch_id: EpochId,
-        ecash_apis: &mut ApiClientsWrapper<'_, C>,
+        apis: &mut ApiClientsWrapper,
     ) -> Result<Vec<AnnotatedCoinIndexSignature>, BandwidthControllerError>
     where
         C: DkgQueryClient + Sync + Send,
         <St as Storage>::StorageError: Send + Sync + 'static,
     {
+        let ecash_apis = apis.get_or_init(epoch_id, &self.client).await?;
         get_coin_index_signatures(&self.storage, epoch_id, ecash_apis).await
     }
 
@@ -130,12 +132,13 @@ impl<C, St: Storage> BandwidthController<C, St> {
         &self,
         epoch_id: EpochId,
         expiration_date: Date,
-        ecash_apis: &mut ApiClientsWrapper<'_, C>,
+        apis: &mut ApiClientsWrapper,
     ) -> Result<Vec<AnnotatedExpirationDateSignature>, BandwidthControllerError>
     where
         C: DkgQueryClient + Sync + Send,
         <St as Storage>::StorageError: Send + Sync + 'static,
     {
+        let ecash_apis = apis.get_or_init(epoch_id, &self.client).await?;
         get_expiration_date_signatures(&self.storage, epoch_id, expiration_date, ecash_apis).await
     }
 
@@ -151,7 +154,7 @@ impl<C, St: Storage> BandwidthController<C, St> {
     {
         let epoch_id = retrieved_ticketbook.ticketbook.epoch_id();
         let expiration_date = retrieved_ticketbook.ticketbook.expiration_date();
-        let mut api_clients = ApiClientsWrapper::new(&self.client, epoch_id);
+        let mut api_clients = Default::default();
 
         let verification_key = self
             .get_aggregate_verification_key(epoch_id, &mut api_clients)

common/bandwidth-controller/src/utils.rs

@@ -21,67 +21,30 @@ use rand::thread_rng;
 use std::fmt::Display;
 use std::future::Future;
 
-pub(crate) trait EcashClientsProvider {
+// it really doesn't need the RwLock because it's never moved across tasks,
-    async fn try_get_ecash_clients(
+// but we need all the Send/Sync action
-        &mut self,
+#[derive(Default)]
-    ) -> Result<Vec<EcashApiClient>, BandwidthControllerError>;
+pub(crate) struct ApiClientsWrapper(Option<Vec<EcashApiClient>>);
-}
 
-impl EcashClientsProvider for Vec<EcashApiClient> {
+impl ApiClientsWrapper {
-    async fn try_get_ecash_clients(
+    pub(crate) async fn get_or_init<C>(
         &mut self,
-    ) -> Result<Vec<EcashApiClient>, BandwidthControllerError> {
-        Ok(self.clone())
-    }
-}
-
-impl<C> EcashClientsProvider for &mut ApiClientsWrapper<'_, C>
-where
-    C: DkgQueryClient + Sync + Send,
-{
-    async fn try_get_ecash_clients(
-        &mut self,
-    ) -> Result<Vec<EcashApiClient>, BandwidthControllerError> {
-        self.clients().await
-    }
-}
-
-pub(crate) enum ApiClientsWrapper<'a, C> {
-    Uninitialised {
-        query_client: &'a C,
         epoch_id: EpochId,
-    },
+        dkg_client: &C,
-    Cached {
+    ) -> Result<Vec<EcashApiClient>, BandwidthControllerError>
-        clients: Vec<EcashApiClient>,
-    },
-}
-
-impl<'a, C> ApiClientsWrapper<'a, C> {
-    pub(crate) fn new(query_client: &'a C, epoch_id: EpochId) -> Self {
-        ApiClientsWrapper::Uninitialised {
-            query_client,
-            epoch_id,
-        }
-    }
-
-    async fn clients(&mut self) -> Result<Vec<EcashApiClient>, BandwidthControllerError>
     where
         C: DkgQueryClient + Sync + Send,
     {
-        match self {
+        if let Some(cached) = &self.0 {
-            ApiClientsWrapper::Uninitialised {
+            return Ok(cached.clone());
-                query_client,
-                epoch_id,
-            } => {
-                let clients = all_ecash_api_clients(*query_client, *epoch_id).await?;
-                *self = ApiClientsWrapper::Cached {
-                    clients: clients.clone(),
-                };
-
-                Ok(clients)
-            }
-            ApiClientsWrapper::Cached { clients } => Ok(clients.clone()),
         }
+
+        let clients = all_ecash_api_clients(dkg_client, epoch_id).await?;
+
+        // technically we don't have to be cloning all the clients here, but it's way simpler than
+        // dealing with locking and whatnot given the performance penalty is negligible
+        self.0 = Some(clients.clone());
+        Ok(clients)
     }
 }
 
@@ -113,7 +76,7 @@ where
 pub(crate) async fn get_aggregate_verification_key<St>(
     storage: &St,
     epoch_id: EpochId,
-    mut ecash_apis: impl EcashClientsProvider,
+    ecash_apis: Vec<EcashApiClient>,
 ) -> Result<VerificationKeyAuth, BandwidthControllerError>
 where
     St: Storage,
@@ -127,8 +90,6 @@ where
         return Ok(stored);
     };
 
-    let ecash_apis = ecash_apis.try_get_ecash_clients().await?;
-
     let master_vk = query_random_apis_until_success(
         ecash_apis,
         |api| async move { api.api_client.master_verification_key(Some(epoch_id)).await },
@@ -154,7 +115,7 @@ where
 pub(crate) async fn get_coin_index_signatures<St>(
     storage: &St,
     epoch_id: EpochId,
-    mut ecash_apis: impl EcashClientsProvider,
+    ecash_apis: Vec<EcashApiClient>,
 ) -> Result<Vec<AnnotatedCoinIndexSignature>, BandwidthControllerError>
 where
     St: Storage,
@@ -168,8 +129,6 @@ where
         return Ok(stored);
     };
 
-    let ecash_apis = ecash_apis.try_get_ecash_clients().await?;
-
     let index_sigs = query_random_apis_until_success(
         ecash_apis,
         |api| async move {
@@ -200,7 +159,7 @@ pub(crate) async fn get_expiration_date_signatures<St>(
     storage: &St,
     epoch_id: EpochId,
     expiration_date: Date,
-    mut ecash_apis: impl EcashClientsProvider,
+    ecash_apis: Vec<EcashApiClient>,
 ) -> Result<Vec<AnnotatedExpirationDateSignature>, BandwidthControllerError>
 where
     St: Storage,
@@ -214,8 +173,6 @@ where
         return Ok(stored);
     };
 
-    let ecash_apis = ecash_apis.try_get_ecash_clients().await?;
-
     let expiration_sigs = query_random_apis_until_success(
         ecash_apis,
         |api| async move {

common/bin-common/Cargo.toml

@@ -15,6 +15,7 @@ const-str = { workspace = true }
 log = { workspace = true }
 pretty_env_logger = { workspace = true }
 schemars = { workspace = true, features = ["preserve_order"], optional = true }
+semver.workspace = true
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true, optional = true }
 
@@ -43,5 +44,5 @@ tracing = [
     "tracing-opentelemetry",
     "opentelemetry",
 ]
-clap = ["dep:clap", "dep:clap_complete", "dep:clap_complete_fig"]
+clap = [ "dep:clap", "dep:clap_complete", "dep:clap_complete_fig" ]
 models = []

common/bin-common/src/lib.rs

@@ -3,6 +3,7 @@
 
 pub mod build_information;
 pub mod logging;
+pub mod version_checker;
 
 #[cfg(feature = "clap")]
 pub mod completions;

common/bin-common/src/version_checker/mod.rs

@@ -0,0 +1,78 @@
+// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+pub use semver::Version;
+
+/// Checks if the version is minor version compatible.
+///
+/// Checks whether given `version` is compatible with a given semantic version requirement `req`
+/// according to major-minor semver rules. The semantic version requirement can be passed as a full,
+/// concrete version number, because that's what we'll have in our Cargo.toml files (e.g. 0.3.2).
+/// The patch number in the requirement gets dropped and replaced with a wildcard (0.3.*) as all
+/// minor versions should be compatible with each other.
+pub fn is_minor_version_compatible(version: &str, req: &str) -> bool {
+    let expected_version = match Version::parse(version) {
+        Ok(v) => v,
+        Err(_) => return false,
+    };
+    let req_version = match Version::parse(req) {
+        Ok(v) => v,
+        Err(_) => return false,
+    };
+
+    expected_version.major == req_version.major && expected_version.minor == req_version.minor
+}
+
+pub fn parse_version(raw_version: &str) -> Result<Version, semver::Error> {
+    Version::parse(raw_version)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn version_0_3_0_is_compatible_with_requirement_0_3_x() {
+        assert!(is_minor_version_compatible("0.3.0", "0.3.2"));
+    }
+
+    #[test]
+    fn version_0_3_1_is_compatible_with_minimum_requirement_0_3_x() {
+        assert!(is_minor_version_compatible("0.3.1", "0.3.2"));
+    }
+
+    #[test]
+    fn version_0_3_2_is_compatible_with_minimum_requirement_0_3_x() {
+        assert!(is_minor_version_compatible("0.3.2", "0.3.0"));
+    }
+
+    #[test]
+    fn version_0_2_0_is_not_compatible_with_requirement_0_3_x() {
+        assert!(!is_minor_version_compatible("0.2.0", "0.3.2"));
+    }
+
+    #[test]
+    fn version_0_4_0_is_not_compatible_with_requirement_0_3_x() {
+        assert!(!is_minor_version_compatible("0.4.0", "0.3.2"));
+    }
+
+    #[test]
+    fn version_1_3_2_is_not_compatible_with_requirement_0_3_x() {
+        assert!(!is_minor_version_compatible("1.3.2", "0.3.2"));
+    }
+
+    #[test]
+    fn version_0_4_0_rc_1_is_compatible_with_version_0_4_0_rc_1() {
+        assert!(is_minor_version_compatible("0.4.0-rc.1", "0.4.0-rc.1"));
+    }
+
+    #[test]
+    fn returns_false_on_foo_version() {
+        assert!(!is_minor_version_compatible("foo", "0.3.2"));
+    }
+
+    #[test]
+    fn returns_false_on_bar_version() {
+        assert!(!is_minor_version_compatible("0.3.2", "bar"));
+    }
+}

common/client-core/Cargo.toml

@@ -3,7 +3,7 @@ name = "nym-client-core"
 version = "1.1.15"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>"]
 edition = "2021"
-rust-version = "1.76"
+rust-version = "1.70"
 license.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -40,14 +40,12 @@ nym-crypto = { path = "../crypto" }
 nym-explorer-client = { path = "../../explorer-api/explorer-client" }
 nym-gateway-client = { path = "../client-libs/gateway-client" }
 nym-gateway-requests = { path = "../gateway-requests" }
-nym-http-api-client = { path = "../http-api-client" }
 nym-metrics = { path = "../nym-metrics" }
 nym-nonexhaustive-delayqueue = { path = "../nonexhaustive-delayqueue" }
 nym-sphinx = { path = "../nymsphinx" }
 nym-statistics-common = { path = "../statistics" }
 nym-pemstore = { path = "../pemstore" }
-nym-topology = { path = "../topology", features = ["persistence"] }
+nym-topology = { path = "../topology", features = ["serializable"] }
-nym-mixnet-client = { path = "../client-libs/mixnet-client", default-features = false }
 nym-validator-client = { path = "../client-libs/validator-client", default-features = false }
 nym-task = { path = "../task" }
 nym-credentials-interface = { path = "../credentials-interface" }

common/client-core/config-types/src/lib.rs

@@ -145,11 +145,6 @@ impl Config {
         self
     }
 
-    pub fn with_forget_me(mut self, forget_me: ForgetMe) -> Self {
-        self.debug.forget_me = forget_me;
-        self
-    }
-
     // TODO: this should be refactored properly
     // as of 12.09.23 the below is true (not sure how this comment will rot in the future)
     // medium_toggle:
@@ -522,7 +517,7 @@ impl Default for Acknowledgements {
 }
 
 #[derive(Debug, Clone, Copy, Deserialize, PartialEq, Serialize)]
-#[serde(default)]
+#[serde(default, deny_unknown_fields)]
 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.
@@ -555,18 +550,6 @@ pub struct Topology {
     /// Specifies a minimum performance of a gateway that is used on route construction.
     /// This setting is only applicable when `NymApi` topology is used.
     pub minimum_gateway_performance: u8,
-
-    /// Specifies whether this client should attempt to retrieve all available network nodes
-    /// as opposed to just active mixnodes/gateways.
-    pub use_extended_topology: bool,
-
-    /// Specifies whether this client should ignore the current epoch role of the target egress node
-    /// when constructing the final hop packets.
-    pub ignore_egress_epoch_role: bool,
-
-    /// Specifies whether this client should ignore the current epoch role of the ingress node
-    /// when attempting to establish new connection
-    pub ignore_ingress_epoch_role: bool,
 }
 
 #[allow(clippy::large_enum_variant)]
@@ -603,10 +586,6 @@ impl Default for Topology {
             topology_structure: TopologyStructure::default(),
             minimum_mixnode_performance: DEFAULT_MIN_MIXNODE_PERFORMANCE,
             minimum_gateway_performance: DEFAULT_MIN_GATEWAY_PERFORMANCE,
-            use_extended_topology: false,
-
-            ignore_egress_epoch_role: true,
-            ignore_ingress_epoch_role: true,
         }
     }
 }
@@ -724,9 +703,6 @@ pub struct DebugConfig {
 
     /// Defines all configuration options related to stats reporting.
     pub stats_reporting: StatsReporting,
-
-    /// Defines all configuration options related to the forget me flag.
-    pub forget_me: ForgetMe,
 }
 
 impl DebugConfig {
@@ -749,69 +725,6 @@ impl Default for DebugConfig {
             topology: Default::default(),
             reply_surbs: Default::default(),
             stats_reporting: Default::default(),
-            forget_me: Default::default(),
-        }
-    }
-}
-
-#[derive(Clone, Default, Debug, Deserialize, PartialEq, Serialize, Copy)]
-pub struct ForgetMe {
-    client: bool,
-    stats: bool,
-}
-
-impl From<bool> for ForgetMe {
-    fn from(value: bool) -> Self {
-        if value {
-            Self::new_all()
-        } else {
-            Self::new_none()
-        }
-    }
-}
-
-impl ForgetMe {
-    pub fn new_all() -> Self {
-        Self {
-            client: true,
-            stats: true,
-        }
-    }
-
-    pub fn new_client() -> Self {
-        Self {
-            client: true,
-            stats: false,
-        }
-    }
-
-    pub fn new_stats() -> Self {
-        Self {
-            client: false,
-            stats: true,
-        }
-    }
-
-    pub fn new(client: bool, stats: bool) -> Self {
-        Self { client, stats }
-    }
-
-    pub fn any(&self) -> bool {
-        self.client || self.stats
-    }
-
-    pub fn client(&self) -> bool {
-        self.client
-    }
-
-    pub fn stats(&self) -> bool {
-        self.stats
-    }
-
-    pub fn new_none() -> Self {
-        Self {
-            client: false,
-            stats: false,
         }
     }
 }

common/client-core/config-types/src/old/v5.rs

@@ -182,7 +182,7 @@ impl From<ConfigV5> for Config {
                     maximum_reply_key_age: value.debug.reply_surbs.maximum_reply_key_age,
                     surb_mix_hops: value.debug.reply_surbs.surb_mix_hops,
                 },
-                ..Default::default()
+                stats_reporting: Default::default(),
             },
         }
     }

common/client-core/gateways-storage/src/backend/fs_backend/manager.rs

@@ -8,10 +8,7 @@ use crate::{
     },
 };
 use log::{debug, error};
-use sqlx::{
+use sqlx::ConnectOptions;
-    sqlite::{SqliteAutoVacuum, SqliteSynchronous},
-    ConnectOptions,
-};
 use std::path::Path;
 
 #[derive(Debug, Clone)]
@@ -33,9 +30,6 @@ impl StorageManager {
         }
 
         let opts = sqlx::sqlite::SqliteConnectOptions::new()
-            .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal)
-            .synchronous(SqliteSynchronous::Normal)
-            .auto_vacuum(SqliteAutoVacuum::Incremental)
             .filename(database_path)
             .create_if_missing(true)
             .disable_statement_logging();
@@ -116,7 +110,7 @@ impl StorageManager {
     ) -> Result<(), sqlx::Error> {
         sqlx::query!(
             r#"
-                INSERT INTO registered_gateway(gateway_id_bs58, registration_timestamp, gateway_type)
+                INSERT INTO registered_gateway(gateway_id_bs58, registration_timestamp, gateway_type) 
                 VALUES (?, ?, ?)
             "#,
             registered_gateway.gateway_id_bs58,
@@ -230,7 +224,7 @@ impl StorageManager {
     ) -> Result<(), sqlx::Error> {
         sqlx::query!(
             r#"
-                INSERT INTO custom_gateway_details(gateway_id_bs58, data)
+                INSERT INTO custom_gateway_details(gateway_id_bs58, data) 
                 VALUES (?, ?)
             "#,
             custom.gateway_id_bs58,

common/client-core/gateways-storage/src/backend/fs_backend/mod.rs

@@ -15,7 +15,6 @@ pub mod error;
 mod manager;
 mod models;
 
-#[derive(Clone)]
 pub struct OnDiskGatewaysDetails {
     manager: StorageManager,
 }

common/client-core/gateways-storage/src/backend/mem_backend.rs

@@ -20,12 +20,12 @@ pub enum InMemStorageError {
     MalformedGateway(#[from] BadGateway),
 }
 
-#[derive(Clone, Debug, Default)]
+#[derive(Debug, Default)]
 pub struct InMemGatewaysDetails {
     inner: Arc<RwLock<InMemStorageInner>>,
 }
 
-#[derive(Clone, Debug, Default)]
+#[derive(Debug, Default)]
 struct InMemStorageInner {
     active_gateway: Option<String>,
     gateways: HashMap<String, GatewayRegistration>,

common/client-core/src/cli_helpers/client_add_gateway.rs

@@ -112,24 +112,18 @@ where
                 source,
             }
         })?;
-        hardcoded_topology.entry_capable_nodes().cloned().collect()
+        hardcoded_topology.get_gateways()
     } else {
         let mut rng = rand::thread_rng();
-        crate::init::helpers::gateways_for_init(
+        crate::init::helpers::current_gateways(&mut rng, &core.client.nym_api_urls, user_agent)
-            &mut rng,
+            .await?
-            &core.client.nym_api_urls,
-            user_agent,
-            core.debug.topology.minimum_gateway_performance,
-            core.debug.topology.ignore_ingress_epoch_role,
-        )
-        .await?
     };
 
     // since we're registering with a brand new gateway,
     // make sure the list of available gateways doesn't overlap the list of known gateways
     let available_gateways = available_gateways
         .into_iter()
-        .filter(|g| !registered_gateways.contains(&g.identity()))
+        .filter(|g| !registered_gateways.contains(g.identity()))
         .collect::<Vec<_>>();
 
     if available_gateways.is_empty() {

common/client-core/src/cli_helpers/client_init.rs

@@ -93,10 +93,6 @@ pub struct CommonClientInitArgs {
     /// Sets the address to report statistics
     #[cfg_attr(feature = "cli", clap(long, hide = true))]
     pub stats_reporting_address: Option<Recipient>,
-
-    /// Sets the forget me flag
-    #[cfg_attr(feature = "cli", clap(long, hide = true, default_value_t = false))]
-    pub forget_me: bool,
 }
 
 pub struct InitResultsWithConfig<T> {
@@ -171,17 +167,11 @@ where
                 source,
             }
         })?;
-        hardcoded_topology.entry_capable_nodes().cloned().collect()
+        hardcoded_topology.get_gateways()
     } else {
         let mut rng = rand::thread_rng();
-        crate::init::helpers::gateways_for_init(
+        crate::init::helpers::current_gateways(&mut rng, &core.client.nym_api_urls, user_agent)
-            &mut rng,
+            .await?
-            &core.client.nym_api_urls,
-            user_agent,
-            core.debug.topology.minimum_gateway_performance,
-            core.debug.topology.ignore_ingress_epoch_role,
-        )
-        .await?
     };
 
     let gateway_setup = GatewaySetup::New {

common/client-core/src/cli_helpers/client_run.rs

@@ -61,8 +61,4 @@ pub struct CommonClientRunArgs {
     /// Sets the address to report statistics
     #[cfg_attr(feature = "cli", clap(long, hide = true))]
     pub stats_reporting_address: Option<Recipient>,
-
-    /// Sets the forget me flag
-    #[cfg_attr(feature = "cli", clap(long, hide = true, default_value_t = false))]
-    pub forget_me: bool,
 }

common/client-core/src/client/base_client/mod.rs

@@ -1,9 +1,9 @@
 // Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0
 
-use super::mix_traffic::ClientRequestSender;
 use super::received_buffer::ReceivedBufferMessage;
 use super::statistics_control::StatisticsControl;
+use super::topology_control::geo_aware_provider::GeoAwareTopologyProvider;
 use crate::client::base_client::storage::helpers::store_client_keys;
 use crate::client::base_client::storage::MixnetClientStorage;
 use crate::client::cover_traffic_stream::LoopCoverTrafficStream;
@@ -24,7 +24,7 @@ use crate::client::replies::reply_storage::{
 };
 use crate::client::topology_control::nym_api_provider::NymApiTopologyProvider;
 use crate::client::topology_control::{
-    TopologyAccessor, TopologyRefresher, TopologyRefresherConfig,
+    nym_api_provider, TopologyAccessor, TopologyRefresher, TopologyRefresherConfig,
 };
 use crate::config::{Config, DebugConfig};
 use crate::error::ClientCoreError;
@@ -36,11 +36,9 @@ use crate::{config, spawn_future};
 use futures::channel::mpsc;
 use log::*;
 use nym_bandwidth_controller::BandwidthController;
-use nym_client_core_config_types::ForgetMe;
 use nym_client_core_gateways_storage::{GatewayDetails, GatewaysDetailsStore};
 use nym_credential_storage::storage::Storage as CredentialStorage;
 use nym_crypto::asymmetric::{encryption, identity};
-use nym_crypto::hkdf::DerivationMaterial;
 use nym_gateway_client::client::config::GatewayClientConfig;
 use nym_gateway_client::{
     AcknowledgementReceiver, GatewayClient, GatewayConfig, MixnetMessageReceiver, PacketRouter,
@@ -178,8 +176,8 @@ impl From<bool> for CredentialsToggle {
     }
 }
 
-pub struct BaseClientBuilder<C, S: MixnetClientStorage> {
+pub struct BaseClientBuilder<'a, C, S: MixnetClientStorage> {
-    config: Config,
+    config: &'a Config,
     client_store: S,
     dkg_query_client: Option<C>,
 
@@ -190,23 +188,18 @@ pub struct BaseClientBuilder<C, S: MixnetClientStorage> {
     user_agent: Option<UserAgent>,
 
     setup_method: GatewaySetup,
-
-    #[cfg(unix)]
-    connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
-
-    derivation_material: Option<DerivationMaterial>,
 }
 
-impl<C, S> BaseClientBuilder<C, S>
+impl<'a, C, S> BaseClientBuilder<'a, C, S>
 where
     S: MixnetClientStorage + 'static,
     C: DkgQueryClient + Send + Sync + 'static,
 {
     pub fn new(
-        base_config: Config,
+        base_config: &'a Config,
         client_store: S,
         dkg_query_client: Option<C>,
-    ) -> BaseClientBuilder<C, S> {
+    ) -> BaseClientBuilder<'a, C, S> {
         BaseClientBuilder {
             config: base_config,
             client_store,
@@ -217,27 +210,9 @@ where
             shutdown: None,
             user_agent: None,
             setup_method: GatewaySetup::MustLoad { gateway_id: None },
-            #[cfg(unix)]
-            connection_fd_callback: None,
-            derivation_material: None,
         }
     }
 
-    #[must_use]
-    pub fn with_derivation_material(
-        mut self,
-        derivation_material: Option<DerivationMaterial>,
-    ) -> Self {
-        self.derivation_material = derivation_material;
-        self
-    }
-
-    #[must_use]
-    pub fn with_forget_me(mut self, forget_me: &ForgetMe) -> Self {
-        self.config.debug.forget_me = *forget_me;
-        self
-    }
-
     #[must_use]
     pub fn with_gateway_setup(mut self, setup: GatewaySetup) -> Self {
         self.setup_method = setup;
@@ -286,15 +261,6 @@ where
         Ok(self)
     }
 
-    #[cfg(unix)]
-    pub fn with_connection_fd_callback(
-        mut self,
-        callback: Arc<dyn Fn(RawFd) + Send + Sync>,
-    ) -> Self {
-        self.connection_fd_callback = Some(callback);
-        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(details: &InitialisationResult) -> Recipient {
@@ -310,7 +276,7 @@ where
         topology_accessor: TopologyAccessor,
         mix_tx: BatchMixMessageSender,
         stats_tx: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown: TaskClient,
     ) {
         info!("Starting loop cover traffic stream...");
 
@@ -323,10 +289,9 @@ where
             debug_config.traffic,
             debug_config.cover_traffic,
             stats_tx,
-            task_client,
         );
 
-        stream.start();
+        stream.start_with_shutdown(shutdown);
     }
 
     #[allow(clippy::too_many_arguments)]
@@ -341,7 +306,7 @@ where
         reply_controller_receiver: ReplyControllerReceiver,
         lane_queue_lengths: LaneQueueLengths,
         client_connection_rx: ConnectionCommandReceiver,
-        task_client: TaskClient,
+        shutdown: TaskClient,
         packet_type: PacketType,
         stats_tx: ClientStatsSender,
     ) {
@@ -359,9 +324,8 @@ where
             lane_queue_lengths,
             client_connection_rx,
             stats_tx,
-            task_client,
         )
-        .start(packet_type);
+        .start_with_shutdown(shutdown, packet_type);
     }
 
     // buffer controlling all messages fetched from provider
@@ -384,12 +348,10 @@ where
                 reply_key_storage,
                 reply_controller_sender,
                 metrics_reporter,
-                shutdown,
             );
-        controller.start()
+        controller.start_with_shutdown(shutdown)
     }
 
-    #[allow(clippy::too_many_arguments)]
     async fn start_gateway_client(
         config: &Config,
         initialisation_result: InitialisationResult,
@@ -397,7 +359,6 @@ where
         details_store: &S::GatewaysDetailsStore,
         packet_router: PacketRouter,
         stats_reporter: ClientStatsSender,
-        #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
         shutdown: TaskClient,
     ) -> Result<GatewayClient<C, S::CredentialStore>, ClientCoreError>
     where
@@ -440,8 +401,6 @@ where
                     packet_router,
                     bandwidth_controller,
                     stats_reporter,
-                    #[cfg(unix)]
-                    connection_fd_callback,
                     shutdown,
                 )
             };
@@ -478,8 +437,8 @@ where
             details_store
                 .upgrade_stored_remote_gateway_key(gateway_client.gateway_identity(), &updated_key)
                 .await.map_err(|err| {
-                error!("failed to store upgraded gateway key! this connection might be forever broken now: {err}");
+                    error!("failed to store upgraded gateway key! this connection might be forever broken now: {err}");
-                ClientCoreError::GatewaysDetailsStoreError { source: Box::new(err) }
+                    ClientCoreError::GatewaysDetailsStoreError { source: Box::new(err) }
             })?
         }
 
@@ -487,7 +446,6 @@ where
             .claim_initial_bandwidth()
             .await
             .map_err(gateway_failure)?;
-
         gateway_client
             .start_listening_for_mixnet_messages()
             .map_err(gateway_failure)?;
@@ -504,7 +462,6 @@ where
         details_store: &S::GatewaysDetailsStore,
         packet_router: PacketRouter,
         stats_reporter: ClientStatsSender,
-        #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
         mut shutdown: TaskClient,
     ) -> Result<Box<dyn GatewayTransceiver + Send>, ClientCoreError>
     where
@@ -536,8 +493,6 @@ where
             details_store,
             packet_router,
             stats_reporter,
-            #[cfg(unix)]
-            connection_fd_callback,
             shutdown,
         )
         .await?;
@@ -554,15 +509,20 @@ where
         // if no custom provider was ... provided ..., create one using nym-api
         custom_provider.unwrap_or_else(|| match config_topology.topology_structure {
             config::TopologyStructure::NymApi => Box::new(NymApiTopologyProvider::new(
-                config_topology,
+                nym_api_provider::Config {
+                    min_mixnode_performance: config_topology.minimum_mixnode_performance,
+                    min_gateway_performance: config_topology.minimum_gateway_performance,
+                },
                 nym_api_urls,
+                env!("CARGO_PKG_VERSION").to_string(),
                 user_agent,
             )),
             config::TopologyStructure::GeoAware(group_by) => {
-                warn!("using deprecated 'GeoAware' topology provider - this option will be removed very soon");
+                Box::new(GeoAwareTopologyProvider::new(
-
+                    nym_api_urls,
-                #[allow(deprecated)]
+                    env!("CARGO_PKG_VERSION").to_string(),
-                Box::new(crate::client::topology_control::GeoAwareTopologyProvider::new(nym_api_urls, group_by))
+                    group_by,
+                ))
             }
         })
     }
@@ -573,24 +533,17 @@ where
         topology_provider: Box<dyn TopologyProvider + Send + Sync>,
         topology_config: config::Topology,
         topology_accessor: TopologyAccessor,
-        local_gateway: NodeIdentity,
+        local_gateway: &NodeIdentity,
         wait_for_gateway: bool,
-        mut task_client: TaskClient,
+        mut shutdown: TaskClient,
     ) -> Result<(), ClientCoreError> {
         let topology_refresher_config =
             TopologyRefresherConfig::new(topology_config.topology_refresh_rate);
 
-        if topology_config.disable_refreshing {
-            // if we're not spawning the refresher, don't cause shutdown immediately
-            info!("The background topology refesher is not going to be started");
-            task_client.disarm();
-        }
-
         let mut topology_refresher = TopologyRefresher::new(
             topology_refresher_config,
             topology_accessor,
             topology_provider,
-            task_client,
         );
         // before returning, block entire runtime to refresh the current network view so that any
         // components depending on topology would see a non-empty view
@@ -612,7 +565,7 @@ where
         };
 
         if let Err(err) = topology_refresher
-            .ensure_contains_routable_egress(local_gateway)
+            .ensure_contains_gateway(local_gateway)
             .await
         {
             if let Some(waiting_timeout) = gateway_wait_timeout {
@@ -631,11 +584,15 @@ where
             }
         }
 
-        if !topology_config.disable_refreshing {
+        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.disarm();
+        } 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();
+            topology_refresher.start_with_shutdown(shutdown);
         }
 
         Ok(())
@@ -646,29 +603,28 @@ where
         user_agent: Option<UserAgent>,
         client_stats_id: String,
         input_sender: Sender<InputMessage>,
-        task_client: TaskClient,
+        shutdown: TaskClient,
     ) -> ClientStatsSender {
         info!("Starting statistics control...");
-        StatisticsControl::create_and_start(
+        StatisticsControl::create_and_start_with_shutdown(
             config.debug.stats_reporting,
             user_agent
                 .map(|u| u.application)
                 .unwrap_or("unknown".to_string()),
             client_stats_id,
             input_sender.clone(),
-            task_client,
+            shutdown.with_suffix("controller"),
         )
     }
 
     fn start_mix_traffic_controller(
         gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
         shutdown: TaskClient,
-    ) -> (BatchMixMessageSender, ClientRequestSender) {
+    ) -> BatchMixMessageSender {
         info!("Starting mix traffic controller...");
-        let (mix_traffic_controller, mix_tx, client_tx) =
+        let (mix_traffic_controller, mix_tx) = MixTrafficController::new(gateway_transceiver);
-            MixTrafficController::new(gateway_transceiver, shutdown);
+        mix_traffic_controller.start_with_shutdown(shutdown);
-        mix_traffic_controller.start();
+        mix_tx
-        (mix_tx, client_tx)
     }
 
     // TODO: rename it as it implies the data is persistent whilst one can use InMemBackend
@@ -703,7 +659,6 @@ where
         setup_method: GatewaySetup,
         key_store: &S::KeyStore,
         details_store: &S::GatewaysDetailsStore,
-        derivation_material: Option<DerivationMaterial>,
     ) -> Result<InitialisationResult, ClientCoreError>
     where
         <S::KeyStore as KeyStore>::StorageError: Sync + Send,
@@ -713,12 +668,7 @@ where
         if key_store.load_keys().await.is_err() {
             info!("could not find valid client keys - a new set will be generated");
             let mut rng = OsRng;
-            let keys = if let Some(derivation_material) = derivation_material {
+            let keys = ClientKeys::generate_new(&mut rng);
-                ClientKeys::from_master_key(&mut rng, &derivation_material)
-                    .map_err(|_| ClientCoreError::HkdfDerivationError {})?
-            } else {
-                ClientKeys::generate_new(&mut rng)
-            };
             store_client_keys(keys, key_store).await?;
         }
 
@@ -740,7 +690,6 @@ where
             self.setup_method,
             self.client_store.key_store(),
             self.client_store.gateway_details_store(),
-            self.derivation_material,
         )
         .await?;
 
@@ -764,8 +713,7 @@ where
 
         // channels responsible for controlling ack messages
         let (ack_sender, ack_receiver) = mpsc::unbounded();
-        let shared_topology_accessor =
+        let shared_topology_accessor = TopologyAccessor::new();
-            TopologyAccessor::new(self.config.debug.topology.ignore_egress_epoch_role);
 
         // Shutdown notifier for signalling tasks to stop
         let shutdown = self
@@ -797,7 +745,7 @@ where
         );
 
         let stats_reporter = Self::start_statistics_control(
-            &self.config,
+            self.config,
             self.user_agent.clone(),
             generate_client_stats_id(*self_address.identity()),
             input_sender.clone(),
@@ -823,14 +771,12 @@ where
 
         let gateway_transceiver = Self::setup_gateway_transceiver(
             self.custom_gateway_transceiver,
-            &self.config,
+            self.config,
             init_res,
             bandwidth_controller,
             &details_store,
             gateway_packet_router,
             stats_reporter.clone(),
-            #[cfg(unix)]
-            self.connection_fd_callback,
             shutdown.fork("gateway_transceiver"),
         )
         .await?;
@@ -856,8 +802,7 @@ where
         // 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 = Self::start_mix_traffic_controller(
-        let (message_sender, client_request_sender) = Self::start_mix_traffic_controller(
             gateway_transceiver,
             shutdown.fork("mix_traffic_controller"),
         );
@@ -934,8 +879,6 @@ where
             },
             stats_reporter,
             task_handle: shutdown,
-            client_request_sender,
-            forget_me: self.config.debug.forget_me,
         })
     }
 }
@@ -947,7 +890,6 @@ pub struct BaseClient {
     pub client_output: ClientOutputStatus,
     pub client_state: ClientState,
     pub stats_reporter: ClientStatsSender,
-    pub client_request_sender: ClientRequestSender,
+
     pub task_handle: TaskHandle,
-    pub forget_me: ForgetMe,
 }

common/client-core/src/client/base_client/storage/mod.rs

@@ -4,8 +4,6 @@
 // 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 rand::rngs::OsRng;
-
 use crate::client::key_manager::persistence::{InMemEphemeralKeys, KeyStore};
 use crate::client::replies::reply_storage;
 use crate::client::replies::reply_storage::ReplyStorageBackend;
@@ -65,7 +63,7 @@ pub trait MixnetClientStorage {
     fn gateway_details_store(&self) -> &Self::GatewaysDetailsStore;
 }
 
-#[derive(Clone)]
+#[derive(Default)]
 pub struct Ephemeral {
     key_store: InMemEphemeralKeys,
     reply_store: reply_storage::Empty,
@@ -73,14 +71,9 @@ pub struct Ephemeral {
     gateway_details_store: InMemGatewaysDetails,
 }
 
-impl Default for Ephemeral {
+impl Ephemeral {
-    fn default() -> Self {
+    pub fn new() -> Self {
-        Ephemeral {
+        Default::default()
-            key_store: InMemEphemeralKeys::new(&mut OsRng),
-            reply_store: Default::default(),
-            credential_store: Default::default(),
-            gateway_details_store: Default::default(),
-        }
     }
 }
 
@@ -121,7 +114,6 @@ impl MixnetClientStorage for Ephemeral {
     }
 }
 
-#[derive(Clone)]
 #[cfg(all(
     not(target_arch = "wasm32"),
     feature = "fs-surb-storage",

common/client-core/src/client/cover_traffic_stream.rs

@@ -13,7 +13,6 @@ use nym_sphinx::cover::generate_loop_cover_packet;
 use nym_sphinx::params::{PacketSize, PacketType};
 use nym_sphinx::utils::sample_poisson_duration;
 use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, ClientStatsSender};
-use nym_task::TaskClient;
 use rand::{rngs::OsRng, CryptoRng, Rng};
 use std::pin::Pin;
 use std::sync::Arc;
@@ -65,8 +64,6 @@ where
     packet_type: PacketType,
 
     stats_tx: ClientStatsSender,
-
-    task_client: TaskClient,
 }
 
 impl<R> Stream for LoopCoverTrafficStream<R>
@@ -113,7 +110,6 @@ impl LoopCoverTrafficStream<OsRng> {
         traffic_config: config::Traffic,
         cover_config: config::CoverTraffic,
         stats_tx: ClientStatsSender,
-        task_client: TaskClient,
     ) -> Self {
         let rng = OsRng;
 
@@ -132,7 +128,6 @@ impl LoopCoverTrafficStream<OsRng> {
             secondary_packet_size: traffic_config.secondary_packet_size,
             packet_type: traffic_config.packet_type,
             stats_tx,
-            task_client,
         }
     }
 
@@ -168,7 +163,6 @@ impl LoopCoverTrafficStream<OsRng> {
         // poisson delay, but is it really a problem?
         let topology_permit = self.topology_access.get_read_permit().await;
         // the ack is sent back to ourselves (and then ignored)
-
         let topology_ref = match topology_permit.try_get_valid_topology_ref(
             &self.our_full_destination,
             Some(&self.our_full_destination),
@@ -180,7 +174,7 @@ impl LoopCoverTrafficStream<OsRng> {
             }
         };
 
-        let cover_message = match generate_loop_cover_packet(
+        let cover_message = generate_loop_cover_packet(
             &mut self.rng,
             topology_ref,
             &self.ack_key,
@@ -189,15 +183,8 @@ impl LoopCoverTrafficStream<OsRng> {
             self.cover_traffic.loop_cover_traffic_average_delay,
             cover_traffic_packet_size,
             self.packet_type,
-        ) {
+        )
-            Ok(cover_message) => cover_message,
+        .expect("Somehow failed to generate a loop cover message with a valid topology");
-            Err(err) => {
-                warn!(
-                    "Somehow failed to generate a loop cover message with a valid topology: {err}"
-                );
-                return;
-            }
-        };
 
         if let Err(err) = self.mix_tx.try_send(vec![cover_message]) {
             match err {
@@ -229,7 +216,7 @@ impl LoopCoverTrafficStream<OsRng> {
         tokio::task::yield_now().await;
     }
 
-    pub fn start(mut self) {
+    pub fn start_with_shutdown(mut self, mut shutdown: nym_task::TaskClient) {
         if self.cover_traffic.disable_loop_cover_traffic_stream {
             // we should have never got here in the first place - the task should have never been created to begin with
             // so panic and review the code that lead to this branch
@@ -243,8 +230,6 @@ impl LoopCoverTrafficStream<OsRng> {
         );
         self.set_next_delay(sampled);
 
-        let mut shutdown = self.task_client.fork("select");
-
         spawn_future(async move {
             debug!("Started LoopCoverTrafficStream with graceful shutdown support");
 

common/client-core/src/client/inbound_messages.rs

@@ -28,6 +28,7 @@ pub enum InputMessage {
         recipient: Recipient,
         data: Vec<u8>,
         lane: TransmissionLane,
+        mix_hops: Option<u8>,
     },
 
     /// Creates a message used for a duplex anonymous communication where the recipient
@@ -43,6 +44,7 @@ pub enum InputMessage {
         data: Vec<u8>,
         reply_surbs: u32,
         lane: TransmissionLane,
+        mix_hops: Option<u8>,
     },
 
     /// Attempt to use our internally received and stored `ReplySurb` to send the message back
@@ -92,6 +94,29 @@ impl InputMessage {
             recipient,
             data,
             lane,
+            mix_hops: None,
+        };
+        if let Some(packet_type) = packet_type {
+            InputMessage::new_wrapper(message, packet_type)
+        } else {
+            message
+        }
+    }
+
+    // IMHO `new_regular` should take `mix_hops: Option<u8>` as an argument instead of creating
+    // this function, but that would potentially break backwards compatibility with the current API
+    pub fn new_regular_with_custom_hops(
+        recipient: Recipient,
+        data: Vec<u8>,
+        lane: TransmissionLane,
+        packet_type: Option<PacketType>,
+        mix_hops: Option<u8>,
+    ) -> Self {
+        let message = InputMessage::Regular {
+            recipient,
+            data,
+            lane,
+            mix_hops,
         };
         if let Some(packet_type) = packet_type {
             InputMessage::new_wrapper(message, packet_type)
@@ -112,6 +137,7 @@ impl InputMessage {
             data,
             reply_surbs,
             lane,
+            mix_hops: None,
         };
         if let Some(packet_type) = packet_type {
             InputMessage::new_wrapper(message, packet_type)
@@ -128,12 +154,14 @@ impl InputMessage {
         reply_surbs: u32,
         lane: TransmissionLane,
         packet_type: Option<PacketType>,
+        mix_hops: Option<u8>,
     ) -> Self {
         let message = InputMessage::Anonymous {
             recipient,
             data,
             reply_surbs,
             lane,
+            mix_hops,
         };
         if let Some(packet_type) = packet_type {
             InputMessage::new_wrapper(message, packet_type)

common/client-core/src/client/key_manager/mod.rs

@@ -2,10 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::client::key_manager::persistence::KeyStore;
-use nym_crypto::{
+use nym_crypto::asymmetric::{encryption, identity};
-    asymmetric::{encryption, identity},
-    hkdf::{DerivationMaterial, InvalidLength},
-};
 use nym_gateway_requests::shared_key::{LegacySharedKeys, SharedGatewayKey, SharedSymmetricKey};
 use nym_sphinx::acknowledgements::AckKey;
 use rand::{CryptoRng, RngCore};
@@ -13,7 +10,6 @@ use std::sync::Arc;
 use zeroize::ZeroizeOnDrop;
 
 pub mod persistence;
-mod test;
 
 // 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
@@ -47,24 +43,6 @@ impl ClientKeys {
         }
     }
 
-    pub fn from_master_key<R>(
-        rng: &mut R,
-        derivation_material: &DerivationMaterial,
-    ) -> Result<Self, InvalidLength>
-    where
-        R: RngCore + CryptoRng,
-    {
-        let secret = derivation_material.derive_secret()?;
-        Ok(ClientKeys {
-            identity_keypair: Arc::new(identity::KeyPair::from_secret(
-                secret,
-                derivation_material.index(),
-            )),
-            encryption_keypair: Arc::new(encryption::KeyPair::new(rng)),
-            ack_key: Arc::new(AckKey::new(rng)),
-        })
-    }
-
     pub fn from_keys(
         id_keypair: identity::KeyPair,
         enc_keypair: encryption::KeyPair,

common/client-core/src/client/key_manager/persistence.rs

@@ -3,9 +3,7 @@
 
 use crate::client::key_manager::ClientKeys;
 use async_trait::async_trait;
-use rand::{CryptoRng, RngCore};
 use std::error::Error;
-use std::sync::Arc;
 use tokio::sync::Mutex;
 
 #[cfg(not(target_arch = "wasm32"))]
@@ -66,7 +64,6 @@ pub enum OnDiskKeysError {
     },
 }
 
-#[derive(Clone)]
 #[cfg(not(target_arch = "wasm32"))]
 pub struct OnDiskKeys {
     paths: ClientKeysPaths,
@@ -196,20 +193,9 @@ impl KeyStore for OnDiskKeys {
     }
 }
 
-#[derive(Clone)]
+#[derive(Default)]
 pub struct InMemEphemeralKeys {
-    keys: Arc<Mutex<ClientKeys>>,
+    keys: Mutex<Option<ClientKeys>>,
-}
-
-impl InMemEphemeralKeys {
-    pub fn new<R>(rng: &mut R) -> Self
-    where
-        R: RngCore + CryptoRng,
-    {
-        InMemEphemeralKeys {
-            keys: Arc::new(Mutex::new(ClientKeys::generate_new(rng))),
-        }
-    }
 }
 
 #[derive(Debug, thiserror::Error)]
@@ -222,11 +208,11 @@ impl KeyStore for InMemEphemeralKeys {
     type StorageError = EphemeralKeysError;
 
     async fn load_keys(&self) -> Result<ClientKeys, Self::StorageError> {
-        Ok(self.keys.lock().await.clone())
+        self.keys.lock().await.clone().ok_or(EphemeralKeysError)
     }
 
     async fn store_keys(&self, keys: &ClientKeys) -> Result<(), Self::StorageError> {
-        *self.keys.lock().await = keys.clone();
+        *self.keys.lock().await = Some(keys.clone());
         Ok(())
     }
 }

common/client-core/src/client/key_manager/test.rs

@@ -1,89 +0,0 @@
-#[cfg(test)]
-mod tests {
-    use crate::client::key_manager::ClientKeys;
-    use nym_crypto::hkdf::DerivationMaterial;
-    use rand::SeedableRng;
-    use rand_chacha::ChaCha20Rng;
-
-    #[test]
-    fn test_from_master_key_success() {
-        // Set up a deterministic RNG.
-        let seed = [33u8; 32];
-        let mut rng = ChaCha20Rng::from_seed(seed);
-
-        // Set up the derivation material.
-        let master_key = b"this is a secret master key";
-        let salt = b"unique-salt";
-        let derivation_material = DerivationMaterial::new(master_key, 0, salt);
-
-        // Generate ClientKeys from the master key.
-        let client_keys = ClientKeys::from_master_key(&mut rng, &derivation_material)
-            .expect("Failed to create client keys");
-
-        assert_eq!(
-            client_keys.identity_keypair().public_key().to_string(),
-            String::from("FX4Undr5LPPBA7zThWWpAKXKQTXSbW1C28PnxbCqUkU4")
-        );
-
-        assert_eq!(
-            client_keys.identity_keypair().private_key().to_string(),
-            String::from("6S3uMi2rU5SwyUUYCiMrF5qqdcYnEDMYLggBSvavVzEt")
-        );
-    }
-
-    #[test]
-    fn test_from_master_key_deterministic_identity() {
-        // Using identical derivation material should result in the exactly same identity keypair.
-        let seed = [1u8; 32];
-        let mut rng1 = ChaCha20Rng::from_seed(seed);
-        let mut rng2 = ChaCha20Rng::from_seed(seed);
-
-        let master_key = b"another secret master key";
-        let salt = b"deterministic-salt";
-        let index = 7u32;
-        let derivation_material = DerivationMaterial::new(master_key, index, salt);
-
-        let client_keys1 = ClientKeys::from_master_key(&mut rng1, &derivation_material)
-            .expect("Failed to create client keys (first instance)");
-        let client_keys2 = ClientKeys::from_master_key(&mut rng2, &derivation_material)
-            .expect("Failed to create client keys (second instance)");
-
-        assert_eq!(
-            client_keys1.identity_keypair().public_key().to_string(),
-            client_keys2.identity_keypair().public_key().to_string()
-        );
-
-        assert_eq!(
-            client_keys1.identity_keypair().private_key().to_string(),
-            client_keys2.identity_keypair().private_key().to_string()
-        );
-    }
-
-    #[test]
-    fn test_from_master_key_different_indices() {
-        // Changing the index should yield a different identity key.
-        let seed = [5u8; 32];
-        let mut rng = ChaCha20Rng::from_seed(seed);
-
-        let master_key = b"same secret key";
-        let salt = b"same-salt";
-
-        let derivation_material1 = DerivationMaterial::new(master_key, 1, salt);
-        let derivation_material2 = DerivationMaterial::new(master_key, 2, salt);
-
-        let client_keys1 = ClientKeys::from_master_key(&mut rng, &derivation_material1)
-            .expect("Failed to create client keys for index 1");
-        let client_keys2 = ClientKeys::from_master_key(&mut rng, &derivation_material2)
-            .expect("Failed to create client keys for index 2");
-
-        assert_ne!(
-            client_keys1.identity_keypair().public_key().to_string(),
-            client_keys2.identity_keypair().public_key().to_string()
-        );
-
-        assert_ne!(
-            client_keys1.identity_keypair().private_key().to_string(),
-            client_keys2.identity_keypair().private_key().to_string()
-        );
-    }
-}

common/client-core/src/client/mix_traffic/mod.rs

@@ -2,18 +2,12 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::client::mix_traffic::transceiver::GatewayTransceiver;
-use crate::error::ClientCoreError;
 use crate::spawn_future;
 use log::*;
-use nym_gateway_requests::ClientRequest;
 use nym_sphinx::forwarding::packet::MixPacket;
-use nym_task::TaskClient;
-use transceiver::ErasedGatewayError;
 
 pub type BatchMixMessageSender = tokio::sync::mpsc::Sender<Vec<MixPacket>>;
 pub type BatchMixMessageReceiver = tokio::sync::mpsc::Receiver<Vec<MixPacket>>;
-pub type ClientRequestReceiver = tokio::sync::mpsc::Receiver<ClientRequest>;
-pub type ClientRequestSender = tokio::sync::mpsc::Sender<ClientRequest>;
 
 pub mod transceiver;
 
@@ -28,73 +22,45 @@ pub struct MixTrafficController {
     gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
 
     mix_rx: BatchMixMessageReceiver,
-    client_rx: ClientRequestReceiver,
 
     // TODO: this is temporary work-around.
     // in long run `gateway_client` will be moved away from `MixTrafficController` anyway.
     consecutive_gateway_failure_count: usize,
-
-    task_client: TaskClient,
 }
 
 impl MixTrafficController {
-    pub fn new<T>(
+    pub fn new<T>(gateway_transceiver: T) -> (MixTrafficController, BatchMixMessageSender)
-        gateway_transceiver: T,
-        task_client: TaskClient,
-    ) -> (
-        MixTrafficController,
-        BatchMixMessageSender,
-        ClientRequestSender,
-    )
     where
         T: GatewayTransceiver + Send + 'static,
     {
         let (message_sender, message_receiver) =
             tokio::sync::mpsc::channel(MIX_MESSAGE_RECEIVER_BUFFER_SIZE);
-
-        let (client_sender, client_receiver) = tokio::sync::mpsc::channel(1);
-
         (
             MixTrafficController {
                 gateway_transceiver: Box::new(gateway_transceiver),
                 mix_rx: message_receiver,
-                client_rx: client_receiver,
                 consecutive_gateway_failure_count: 0,
-                task_client,
             },
             message_sender,
-            client_sender,
         )
     }
 
     pub fn new_dynamic(
         gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
-        task_client: TaskClient,
+    ) -> (MixTrafficController, BatchMixMessageSender) {
-    ) -> (
-        MixTrafficController,
-        BatchMixMessageSender,
-        ClientRequestSender,
-    ) {
         let (message_sender, message_receiver) =
             tokio::sync::mpsc::channel(MIX_MESSAGE_RECEIVER_BUFFER_SIZE);
-        let (client_sender, client_receiver) = tokio::sync::mpsc::channel(1);
         (
             MixTrafficController {
                 gateway_transceiver,
                 mix_rx: message_receiver,
-                client_rx: client_receiver,
                 consecutive_gateway_failure_count: 0,
-                task_client,
             },
             message_sender,
-            client_sender,
         )
     }
 
-    async fn on_messages(
+    async fn on_messages(&mut self, mut mix_packets: Vec<MixPacket>) {
-        &mut self,
-        mut mix_packets: Vec<MixPacket>,
-    ) -> Result<(), ErasedGatewayError> {
         debug_assert!(!mix_packets.is_empty());
 
         let result = if mix_packets.len() == 1 {
@@ -106,62 +72,46 @@ impl MixTrafficController {
                 .await
         };
 
-        if result.is_err() {
+        match result {
-            self.consecutive_gateway_failure_count += 1;
+            Err(err) => {
-        } else {
+                error!("Failed to send sphinx packet(s) to the gateway: {err}");
-            trace!("We *might* have managed to forward sphinx packet(s) to the gateway!");
+                self.consecutive_gateway_failure_count += 1;
-            self.consecutive_gateway_failure_count = 0;
+                if self.consecutive_gateway_failure_count == MAX_FAILURE_COUNT {
+                    // todo: in the future this should initiate a 'graceful' shutdown or try
+                    // to reconnect?
+                    panic!("failed to send sphinx packet to the gateway {MAX_FAILURE_COUNT} times in a row - assuming the gateway is dead. Can't do anything about it yet :(")
+                }
+            }
+            Ok(_) => {
+                trace!("We *might* have managed to forward sphinx packet(s) to the gateway!");
+                self.consecutive_gateway_failure_count = 0;
+            }
         }
-
-        result
     }
 
-    pub fn start(mut self) {
+    pub fn start_with_shutdown(mut self, mut shutdown: nym_task::TaskClient) {
         spawn_future(async move {
             debug!("Started MixTrafficController with graceful shutdown support");
 
-            while !self.task_client.is_shutdown() {
+            loop {
                 tokio::select! {
                     mix_packets = self.mix_rx.recv() => match mix_packets {
                         Some(mix_packets) => {
-                            if let Err(err) = self.on_messages(mix_packets).await {
+                            self.on_messages(mix_packets).await;
-                                error!("Failed to send sphinx packet(s) to the gateway: {err}");
-                                if self.consecutive_gateway_failure_count == MAX_FAILURE_COUNT {
-                                    // Disconnect from the gateway. If we should try to re-connect
-                                    // is handled at a higher layer.
-                                    error!("Failed to send sphinx packet to the gateway {MAX_FAILURE_COUNT} times in a row - assuming the gateway is dead");
-                                    // Do we need to handle the embedded mixnet client case
-                                    // separately?
-                                    self.task_client.send_we_stopped(Box::new(ClientCoreError::GatewayFailedToForwardMessages));
-                                    break;
-                                }
-                            }
                         },
                         None => {
                             log::trace!("MixTrafficController: Stopping since channel closed");
                             break;
                         }
                     },
-                    client_request = self.client_rx.recv() => match client_request {
+                    _ = shutdown.recv_with_delay() => {
-                        Some(client_request) => {
-                            match self.gateway_transceiver.send_client_request(client_request).await {
-                                Ok(_) => (),
-                                Err(e) => error!("Failed to send client request: {}", e),
-                            };
-                        },
-                        None => {
-                            log::trace!("MixTrafficController, client request channel closed");
-                        }
-                    },
-                    _ = self.task_client.recv() => {
                         log::trace!("MixTrafficController: Received shutdown");
                         break;
                     }
                 }
             }
-            self.task_client.recv_timeout().await;
+            shutdown.recv_timeout().await;
-
             log::debug!("MixTrafficController: Exiting");
-        });
+        })
     }
 }

common/client-core/src/client/mix_traffic/transceiver.rs

@@ -5,10 +5,8 @@ use async_trait::async_trait;
 use log::{debug, error};
 use nym_credential_storage::storage::Storage as CredentialStorage;
 use nym_crypto::asymmetric::identity;
-use nym_gateway_client::error::GatewayClientError;
 use nym_gateway_client::GatewayClient;
 pub use nym_gateway_client::{GatewayPacketRouter, PacketRouter};
-use nym_gateway_requests::ClientRequest;
 use nym_sphinx::forwarding::packet::MixPacket;
 use nym_validator_client::nyxd::contract_traits::DkgQueryClient;
 use std::fmt::Debug;
@@ -16,7 +14,7 @@ use std::os::raw::c_int as RawFd;
 use thiserror::Error;
 
 #[cfg(not(target_arch = "wasm32"))]
-use futures::channel::oneshot;
+use futures::channel::{mpsc, oneshot};
 
 // we need to type erase the error type since we can't have dynamic associated types alongside dynamic dispatch
 #[derive(Debug, Error)]
@@ -28,14 +26,9 @@ fn erase_err<E: std::error::Error + Send + Sync + 'static>(err: E) -> ErasedGate
 }
 
 /// This combines combines the functionalities of being able to send and receive mix packets.
-#[async_trait]
 pub trait GatewayTransceiver: GatewaySender + GatewayReceiver {
     fn gateway_identity(&self) -> identity::PublicKey;
     fn ws_fd(&self) -> Option<RawFd>;
-    async fn send_client_request(
-        &mut self,
-        message: ClientRequest,
-    ) -> Result<(), GatewayClientError>;
 }
 
 /// This trait defines the functionality of sending `MixPacket` into the mixnet,
@@ -72,7 +65,6 @@ pub trait GatewayReceiver {
 }
 
 // to allow for dynamic dispatch
-#[async_trait]
 impl<G: GatewayTransceiver + ?Sized + Send> GatewayTransceiver for Box<G> {
     #[inline]
     fn gateway_identity(&self) -> identity::PublicKey {
@@ -81,15 +73,6 @@ impl<G: GatewayTransceiver + ?Sized + Send> GatewayTransceiver for Box<G> {
     fn ws_fd(&self) -> Option<RawFd> {
         (**self).ws_fd()
     }
-
-    async fn send_client_request(
-        &mut self,
-        message: ClientRequest,
-    ) -> Result<(), GatewayClientError> {
-        let _ = (**self).send_client_request(message.clone()).await?;
-        log::debug!("Sent client request: {:?}", message);
-        Ok(())
-    }
 }
 
 #[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
@@ -108,6 +91,7 @@ impl<G: GatewaySender + ?Sized + Send> GatewaySender for Box<G> {
         (**self).batch_send_mix_packets(packets).await
     }
 }
+
 impl<G: GatewayReceiver + ?Sized> GatewayReceiver for Box<G> {
     #[inline]
     fn set_packet_router(&mut self, packet_router: PacketRouter) -> Result<(), ErasedGatewayError> {
@@ -127,7 +111,6 @@ impl<C, St> RemoteGateway<C, St> {
     }
 }
 
-#[async_trait]
 impl<C, St> GatewayTransceiver for RemoteGateway<C, St>
 where
     C: DkgQueryClient + Send + Sync,
@@ -140,13 +123,6 @@ where
     fn ws_fd(&self) -> Option<RawFd> {
         self.gateway_client.ws_fd()
     }
-
-    async fn send_client_request(
-        &mut self,
-        message: ClientRequest,
-    ) -> Result<(), GatewayClientError> {
-        self.gateway_client.send_client_request(message).await
-    }
 }
 
 #[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
@@ -194,7 +170,7 @@ pub struct LocalGateway {
 
     // 'sender' part
     /// Channel responsible for taking mix packets and forwarding them further into the further mixnet layers.
-    packet_forwarder: nym_mixnet_client::forwarder::MixForwardingSender,
+    packet_forwarder: mpsc::UnboundedSender<MixPacket>,
 
     // 'receiver' part
     packet_router_tx: Option<oneshot::Sender<PacketRouter>>,
@@ -204,7 +180,7 @@ pub struct LocalGateway {
 impl LocalGateway {
     pub fn new(
         local_identity: identity::PublicKey,
-        packet_forwarder: nym_mixnet_client::forwarder::MixForwardingSender,
+        packet_forwarder: mpsc::UnboundedSender<MixPacket>,
         packet_router_tx: oneshot::Sender<PacketRouter>,
     ) -> Self {
         LocalGateway {
@@ -219,7 +195,6 @@ impl LocalGateway {
 mod nonwasm_sealed {
     use super::*;
 
-    #[async_trait]
     impl GatewayTransceiver for LocalGateway {
         fn gateway_identity(&self) -> identity::PublicKey {
             self.local_identity
@@ -227,20 +202,14 @@ mod nonwasm_sealed {
         fn ws_fd(&self) -> Option<RawFd> {
             None
         }
-
-        async fn send_client_request(
-            &mut self,
-            _message: ClientRequest,
-        ) -> Result<(), GatewayClientError> {
-            Ok(())
-        }
     }
 
     #[async_trait]
     impl GatewaySender for LocalGateway {
         async fn send_mix_packet(&mut self, packet: MixPacket) -> Result<(), ErasedGatewayError> {
             self.packet_forwarder
-                .forward_packet(packet)
+                .unbounded_send(packet)
+                .map_err(|err| err.into_send_error())
                 .map_err(erase_err)
         }
     }
@@ -301,7 +270,6 @@ impl GatewaySender for MockGateway {
     }
 }
 
-#[async_trait]
 impl GatewayTransceiver for MockGateway {
     fn gateway_identity(&self) -> identity::PublicKey {
         self.dummy_identity
@@ -309,11 +277,4 @@ impl GatewayTransceiver for MockGateway {
     fn ws_fd(&self) -> Option<RawFd> {
         None
     }
-
-    async fn send_client_request(
-        &mut self,
-        _message: ClientRequest,
-    ) -> Result<(), GatewayClientError> {
-        Ok(())
-    }
 }

common/client-core/src/client/real_messages_control/acknowledgement_control/acknowledgement_listener.rs

@@ -11,7 +11,6 @@ use nym_sphinx::{
     acknowledgements::{identifier::recover_identifier, AckKey},
     chunking::fragment::{FragmentIdentifier, COVER_FRAG_ID},
 };
-use nym_task::TaskClient;
 use std::sync::Arc;
 
 /// Module responsible for listening for any data resembling acknowledgements from the network
@@ -21,7 +20,6 @@ pub(super) struct AcknowledgementListener {
     ack_receiver: AcknowledgementReceiver,
     action_sender: AckActionSender,
     stats_tx: ClientStatsSender,
-    task_client: TaskClient,
 }
 
 impl AcknowledgementListener {
@@ -30,14 +28,12 @@ impl AcknowledgementListener {
         ack_receiver: AcknowledgementReceiver,
         action_sender: AckActionSender,
         stats_tx: ClientStatsSender,
-        task_client: TaskClient,
     ) -> Self {
         AcknowledgementListener {
             ack_key,
             ack_receiver,
             action_sender,
             stats_tx,
-            task_client,
         }
     }
 
@@ -68,14 +64,9 @@ impl AcknowledgementListener {
         trace!("Received {} from the mix network", frag_id);
         self.stats_tx
             .report(PacketStatisticsEvent::RealAckReceived(ack_content.len()).into());
-        if let Err(err) = self
+        self.action_sender
-            .action_sender
             .unbounded_send(Action::new_remove(frag_id))
-        {
+            .unwrap();
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send remove action to action controller: {err}");
-            }
-        }
     }
 
     async fn handle_ack_receiver_item(&mut self, item: Vec<Vec<u8>>) {
@@ -85,10 +76,10 @@ impl AcknowledgementListener {
         }
     }
 
-    pub(super) async fn run(&mut self) {
+    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
         debug!("Started AcknowledgementListener with graceful shutdown support");
 
-        while !self.task_client.is_shutdown() {
+        while !shutdown.is_shutdown() {
             tokio::select! {
                 acks = self.ack_receiver.next() => match acks {
                     Some(acks) => self.handle_ack_receiver_item(acks).await,
@@ -97,12 +88,12 @@ impl AcknowledgementListener {
                         break;
                     }
                 },
-                _ = self.task_client.recv() => {
+                _ = shutdown.recv_with_delay() => {
                     log::trace!("AcknowledgementListener: Received shutdown");
                 }
             }
         }
-        self.task_client.recv_timeout().await;
+        shutdown.recv_timeout().await;
         log::debug!("AcknowledgementListener: Exiting");
     }
 }

common/client-core/src/client/real_messages_control/acknowledgement_control/action_controller.rs

@@ -9,7 +9,6 @@ use log::*;
 use nym_nonexhaustive_delayqueue::{Expired, NonExhaustiveDelayQueue, QueueKey};
 use nym_sphinx::chunking::fragment::FragmentIdentifier;
 use nym_sphinx::Delay as SphinxDelay;
-use nym_task::TaskClient;
 use std::collections::HashMap;
 use std::sync::Arc;
 use std::time::Duration;
@@ -102,8 +101,6 @@ pub(super) struct ActionController {
 
     /// Channel for notifying `RetransmissionRequestListener` about expired acknowledgements.
     retransmission_sender: RetransmissionRequestSender,
-
-    task_client: TaskClient,
 }
 
 impl ActionController {
@@ -111,7 +108,6 @@ impl ActionController {
         config: Config,
         retransmission_sender: RetransmissionRequestSender,
         incoming_actions: AckActionReceiver,
-        task_client: TaskClient,
     ) -> Self {
         ActionController {
             config,
@@ -119,7 +115,6 @@ impl ActionController {
             pending_acks_timers: NonExhaustiveDelayQueue::new(),
             incoming_actions,
             retransmission_sender,
-            task_client,
         }
     }
 
@@ -221,7 +216,11 @@ impl ActionController {
     }
 
     // note: when the entry expires it's automatically removed from pending_acks_timers
-    fn handle_expired_ack_timer(&mut self, expired_ack: Expired<FragmentIdentifier>) {
+    fn handle_expired_ack_timer(
+        &mut self,
+        expired_ack: Expired<FragmentIdentifier>,
+        task_client: &mut nym_task::TaskClient,
+    ) {
         // I'm honestly not sure how to handle it, because getting it means other things in our
         // system are already misbehaving. If we ever see this panic, then I guess we should worry
         // about it. Perhaps just reschedule it at later point?
@@ -239,13 +238,15 @@ impl ActionController {
             // downgrading an arc and then upgrading vs cloning is difference of 30ns vs 15ns
             // so it's literally a NO difference while it might prevent us from unnecessarily
             // resending data (in maybe 1 in 1 million cases, but it's something)
-            if let Err(err) = self
+            if self
                 .retransmission_sender
                 .unbounded_send(Arc::downgrade(pending_ack_data))
+                .is_err()
             {
-                if !self.task_client.is_shutdown_poll() {
+                assert!(
-                    log::error!("Failed to send pending ack for retransmission: {err}");
+                    task_client.is_shutdown_poll(),
-                }
+                    "Failed to send pending ack for retransmission"
+                );
             }
         } else {
             // this shouldn't cause any issues but shouldn't have happened to begin with!
@@ -264,10 +265,10 @@ impl ActionController {
         }
     }
 
-    pub(super) async fn run(&mut self) {
+    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
         debug!("Started ActionController with graceful shutdown support");
 
-        while !self.task_client.is_shutdown() {
+        loop {
             tokio::select! {
                 action = self.incoming_actions.next() => match action {
                     Some(action) => self.process_action(action),
@@ -279,19 +280,19 @@ impl ActionController {
                     }
                 },
                 expired_ack = self.pending_acks_timers.next() => match expired_ack {
-                    Some(expired_ack) => self.handle_expired_ack_timer(expired_ack),
+                    Some(expired_ack) => self.handle_expired_ack_timer(expired_ack, &mut shutdown),
                     None => {
                         log::trace!("ActionController: Stopping since ack channel closed");
                         break;
                     }
                 },
-                _ = self.task_client.recv() => {
+                _ = shutdown.recv_with_delay() => {
                     log::trace!("ActionController: Received shutdown");
                     break;
                 }
             }
         }
-        self.task_client.recv_timeout().await;
+        shutdown.recv_timeout().await;
         log::debug!("ActionController: Exiting");
     }
 }

common/client-core/src/client/real_messages_control/acknowledgement_control/input_message_listener.rs

@@ -11,7 +11,6 @@ use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
 use nym_sphinx::forwarding::packet::MixPacket;
 use nym_sphinx::params::PacketType;
 use nym_task::connections::TransmissionLane;
-use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 
 /// Module responsible for dealing with the received messages: splitting them, creating acknowledgements,
@@ -24,7 +23,6 @@ where
     input_receiver: InputMessageReceiver,
     message_handler: MessageHandler<R>,
     reply_controller_sender: ReplyControllerSender,
-    task_client: TaskClient,
 }
 
 impl<R> InputMessageListener<R>
@@ -38,13 +36,11 @@ where
         input_receiver: InputMessageReceiver,
         message_handler: MessageHandler<R>,
         reply_controller_sender: ReplyControllerSender,
-        task_client: TaskClient,
     ) -> Self {
         InputMessageListener {
             input_receiver,
             message_handler,
             reply_controller_sender,
-            task_client,
         }
     }
 
@@ -67,14 +63,8 @@ where
         lane: TransmissionLane,
     ) {
         // offload reply handling to the dedicated task
-        if let Err(err) = self
+        self.reply_controller_sender
-            .reply_controller_sender
             .send_reply(recipient_tag, data, lane)
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("failed to send a reply - {err}");
-            }
-        }
     }
 
     async fn handle_plain_message(
@@ -83,10 +73,11 @@ where
         content: Vec<u8>,
         lane: TransmissionLane,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) {
         if let Err(err) = self
             .message_handler
-            .try_send_plain_message(recipient, content, lane, packet_type)
+            .try_send_plain_message(recipient, content, lane, packet_type, mix_hops)
             .await
         {
             warn!("failed to send a plain message - {err}")
@@ -100,10 +91,18 @@ where
         reply_surbs: u32,
         lane: TransmissionLane,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) {
         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,
+                packet_type,
+                mix_hops,
+            )
             .await
         {
             warn!("failed to send a repliable message - {err}")
@@ -116,8 +115,9 @@ where
                 recipient,
                 data,
                 lane,
+                mix_hops,
             } => {
-                self.handle_plain_message(recipient, data, lane, PacketType::Mix)
+                self.handle_plain_message(recipient, data, lane, PacketType::Mix, mix_hops)
                     .await
             }
             InputMessage::Anonymous {
@@ -125,9 +125,17 @@ where
                 data,
                 reply_surbs,
                 lane,
+                mix_hops,
             } => {
-                self.handle_repliable_message(recipient, data, reply_surbs, lane, PacketType::Mix)
+                self.handle_repliable_message(
-                    .await
+                    recipient,
+                    data,
+                    reply_surbs,
+                    lane,
+                    PacketType::Mix,
+                    mix_hops,
+                )
+                .await
             }
             InputMessage::Reply {
                 recipient_tag,
@@ -145,8 +153,9 @@ where
                     recipient,
                     data,
                     lane,
+                    mix_hops,
                 } => {
-                    self.handle_plain_message(recipient, data, lane, packet_type)
+                    self.handle_plain_message(recipient, data, lane, packet_type, mix_hops)
                         .await
                 }
                 InputMessage::Anonymous {
@@ -154,9 +163,17 @@ where
                     data,
                     reply_surbs,
                     lane,
+                    mix_hops,
                 } => {
-                    self.handle_repliable_message(recipient, data, reply_surbs, lane, packet_type)
+                    self.handle_repliable_message(
-                        .await
+                        recipient,
+                        data,
+                        reply_surbs,
+                        lane,
+                        packet_type,
+                        mix_hops,
+                    )
+                    .await
                 }
                 InputMessage::Reply {
                     recipient_tag,
@@ -174,10 +191,10 @@ where
         };
     }
 
-    pub(super) async fn run(&mut self) {
+    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
         debug!("Started InputMessageListener with graceful shutdown support");
 
-        while !self.task_client.is_shutdown() {
+        while !shutdown.is_shutdown() {
             tokio::select! {
                 input_msg = self.input_receiver.recv() => match input_msg {
                     Some(input_msg) => {
@@ -188,12 +205,12 @@ where
                         break;
                     }
                 },
-                _ = self.task_client.recv() => {
+                _ = shutdown.recv_with_delay() => {
                     log::trace!("InputMessageListener: Received shutdown");
                 }
             }
         }
-        self.task_client.recv_timeout().await;
+        shutdown.recv_timeout().await;
         log::debug!("InputMessageListener: Exiting");
     }
 }

common/client-core/src/client/real_messages_control/acknowledgement_control/mod.rs

@@ -24,7 +24,6 @@ use nym_sphinx::{
     Delay as SphinxDelay,
 };
 use nym_statistics_common::clients::ClientStatsSender;
-use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 use std::{
     sync::{Arc, Weak},
@@ -67,10 +66,11 @@ pub(crate) enum PacketDestination {
 
 /// Structure representing a data `Fragment` that is on-route to the specified `Recipient`
 #[derive(Debug)]
-pub struct PendingAcknowledgement {
+pub(crate) struct PendingAcknowledgement {
     message_chunk: Fragment,
     delay: SphinxDelay,
     destination: PacketDestination,
+    mix_hops: Option<u8>,
     retransmissions: u32,
 }
 
@@ -80,11 +80,13 @@ impl PendingAcknowledgement {
         message_chunk: Fragment,
         delay: SphinxDelay,
         recipient: Recipient,
+        mix_hops: Option<u8>,
     ) -> Self {
         PendingAcknowledgement {
             message_chunk,
             delay,
             destination: PacketDestination::KnownRecipient(recipient.into()),
+            mix_hops,
             retransmissions: 0,
         }
     }
@@ -102,6 +104,9 @@ impl PendingAcknowledgement {
                 recipient_tag,
                 extra_surb_request,
             },
+            // Messages sent using SURBs are using the number of mix hops set by the recipient when
+            // they provided the SURBs, so it doesn't make sense to include it here.
+            mix_hops: None,
             retransmissions: 0,
         }
     }
@@ -217,7 +222,6 @@ where
         message_handler: MessageHandler<R>,
         reply_controller_sender: ReplyControllerSender,
         stats_tx: ClientStatsSender,
-        task_client: TaskClient,
     ) -> Self {
         let (retransmission_tx, retransmission_rx) = mpsc::unbounded();
 
@@ -227,7 +231,6 @@ where
             action_config,
             retransmission_tx,
             connectors.ack_action_receiver,
-            task_client.fork("action_controller"),
         );
 
         // will listen for any acks coming from the network
@@ -236,7 +239,6 @@ where
             connectors.ack_receiver,
             connectors.ack_action_sender.clone(),
             stats_tx,
-            task_client.fork("acknowledgement_listener"),
         );
 
         // will listen for any new messages from the client
@@ -244,7 +246,6 @@ where
             connectors.input_receiver,
             message_handler.clone(),
             reply_controller_sender.clone(),
-            task_client.fork("input_message_listener"),
         );
 
         // will listen for any ack timeouts and trigger retransmission
@@ -254,16 +255,12 @@ where
             message_handler,
             retransmission_rx,
             reply_controller_sender,
-            task_client.fork("retransmission_request_listener"),
         );
 
         // will listen for events indicating the packet was sent through the network so that
         // the retransmission timer should be started.
-        let sent_notification_listener = SentNotificationListener::new(
+        let sent_notification_listener =
-            connectors.sent_notifier,
+            SentNotificationListener::new(connectors.sent_notifier, connectors.ack_action_sender);
-            connectors.ack_action_sender,
-            task_client.with_suffix("sent_notification_listener"),
-        );
 
         AcknowledgementController {
             acknowledgement_listener,
@@ -274,35 +271,53 @@ where
         }
     }
 
-    pub(super) fn start(self, packet_type: PacketType) {
+    pub(super) fn start_with_shutdown(
+        self,
+        shutdown: nym_task::TaskClient,
+        packet_type: PacketType,
+    ) {
         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;
         let mut sent_notification_listener = self.sent_notification_listener;
         let mut action_controller = self.action_controller;
 
+        let shutdown_handle = shutdown.fork("acknowledgement_listener");
         spawn_future(async move {
-            acknowledgement_listener.run().await;
+            acknowledgement_listener
+                .run_with_shutdown(shutdown_handle)
+                .await;
             debug!("The acknowledgement listener has finished execution!");
         });
 
+        let shutdown_handle = shutdown.fork("input_message_listener");
         spawn_future(async move {
-            input_message_listener.run().await;
+            input_message_listener
+                .run_with_shutdown(shutdown_handle)
+                .await;
             debug!("The input listener has finished execution!");
         });
 
+        let shutdown_handle = shutdown.fork("retransmission_request_listener");
         spawn_future(async move {
-            retransmission_request_listener.run(packet_type).await;
+            retransmission_request_listener
+                .run_with_shutdown(shutdown_handle, packet_type)
+                .await;
             debug!("The retransmission request listener has finished execution!");
         });
 
+        let shutdown_handle = shutdown.fork("sent_notification_listener");
         spawn_future(async move {
-            sent_notification_listener.run().await;
+            sent_notification_listener
+                .run_with_shutdown(shutdown_handle)
+                .await;
             debug!("The sent notification listener has finished execution!");
         });
 
         spawn_future(async move {
-            action_controller.run().await;
+            action_controller
+                .run_with_shutdown(shutdown.with_suffix("action_controller"))
+                .await;
             debug!("The controller has finished execution!");
         });
     }

common/client-core/src/client/real_messages_control/acknowledgement_control/retransmission_request_listener.rs

@@ -14,7 +14,7 @@ use log::*;
 use nym_sphinx::chunking::fragment::Fragment;
 use nym_sphinx::preparer::PreparedFragment;
 use nym_sphinx::{addressing::clients::Recipient, params::PacketType};
-use nym_task::{connections::TransmissionLane, TaskClient};
+use nym_task::connections::TransmissionLane;
 use rand::{CryptoRng, Rng};
 use std::sync::{Arc, Weak};
 
@@ -25,7 +25,6 @@ pub(super) struct RetransmissionRequestListener<R> {
     message_handler: MessageHandler<R>,
     request_receiver: RetransmissionRequestReceiver,
     reply_controller_sender: ReplyControllerSender,
-    task_client: TaskClient,
 }
 
 impl<R> RetransmissionRequestListener<R>
@@ -38,7 +37,6 @@ where
         message_handler: MessageHandler<R>,
         request_receiver: RetransmissionRequestReceiver,
         reply_controller_sender: ReplyControllerSender,
-        task_client: TaskClient,
     ) -> Self {
         RetransmissionRequestListener {
             maximum_retransmissions,
@@ -46,7 +44,6 @@ where
             message_handler,
             request_receiver,
             reply_controller_sender,
-            task_client,
         }
     }
 
@@ -55,12 +52,18 @@ where
         packet_recipient: Recipient,
         chunk_data: Fragment,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) -> 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,
+                packet_type,
+                mix_hops,
+            )
             .await
     }
 
@@ -82,12 +85,9 @@ where
         if let Some(limit) = self.maximum_retransmissions {
             if timed_out_ack.retransmissions >= limit {
                 warn!("reached maximum number of allowed retransmissions for the packet");
-                if let Err(err) = self
+                self.action_sender
-                    .action_sender
                     .unbounded_send(Action::new_remove(frag_id))
-                {
+                    .unwrap();
-                    error!("Failed to send remove action to the controller: {err}");
-                }
                 return;
             }
         }
@@ -99,22 +99,18 @@ where
             } => {
                 // if this is retransmission for reply, offload it to the dedicated task
                 // that deals with all the surbs
-                if let Err(err) = self.reply_controller_sender.send_retransmission_data(
+                return self.reply_controller_sender.send_retransmission_data(
                     *recipient_tag,
                     weak_timed_out_ack,
                     *extra_surb_request,
-                ) {
+                );
-                    if !self.task_client.is_shutdown_poll() {
-                        error!("Failed to send retransmission data to the reply controller: {err}");
-                    }
-                }
-                return;
             }
             PacketDestination::KnownRecipient(recipient) => {
                 self.prepare_normal_retransmission_chunk(
                     **recipient,
                     timed_out_ack.message_chunk.clone(),
                     packet_type,
+                    timed_out_ack.mix_hops,
                 )
                 .await
             }
@@ -125,12 +121,9 @@ where
             Err(err) => {
                 warn!("Could not retransmit the packet - {err}");
                 // we NEED to start timer here otherwise we will have this guy permanently stuck in memory
-                if let Err(err) = self
+                self.action_sender
-                    .action_sender
                     .unbounded_send(Action::new_start_timer(frag_id))
-                {
+                    .unwrap();
-                    error!("Failed to send start timer action to the controller: {err}");
-                }
                 return;
             }
         };
@@ -155,14 +148,9 @@ where
         // is sent to the `OutQueueControl` and has gone through its internal queue
         // with the additional poisson delay.
         // And since Actions are executed in order `UpdateTimer` will HAVE TO be executed before `StartTimer`
-        if let Err(err) = self
+        self.action_sender
-            .action_sender
             .unbounded_send(Action::new_update_pending_ack(frag_id, new_delay))
-        {
+            .unwrap();
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send update pending ack action to the controller: {err}");
-            }
-        }
 
         // send to `OutQueueControl` to eventually send to the mix network
         self.message_handler
@@ -176,10 +164,14 @@ where
             .await
     }
 
-    pub(super) async fn run(&mut self, packet_type: PacketType) {
+    pub(super) async fn run_with_shutdown(
+        &mut self,
+        mut shutdown: nym_task::TaskClient,
+        packet_type: PacketType,
+    ) {
         debug!("Started RetransmissionRequestListener with graceful shutdown support");
 
-        while !self.task_client.is_shutdown() {
+        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,
@@ -188,12 +180,12 @@ where
                         break;
                     }
                 },
-                _ = self.task_client.recv() => {
+                _ = shutdown.recv() => {
                     log::trace!("RetransmissionRequestListener: Received shutdown");
                 }
             }
         }
-        self.task_client.recv_timeout().await;
+        shutdown.recv_timeout().await;
         log::debug!("RetransmissionRequestListener: Exiting");
     }
 }

common/client-core/src/client/real_messages_control/acknowledgement_control/sent_notification_listener.rs

@@ -6,7 +6,6 @@ use super::SentPacketNotificationReceiver;
 use futures::StreamExt;
 use log::*;
 use nym_sphinx::chunking::fragment::{FragmentIdentifier, COVER_FRAG_ID};
-use nym_task::TaskClient;
 
 /// Module responsible for starting up retransmission timers.
 /// It is required because when we send our packet to the `real traffic stream` controlled
@@ -15,19 +14,16 @@ use nym_task::TaskClient;
 pub(super) struct SentNotificationListener {
     sent_notifier: SentPacketNotificationReceiver,
     action_sender: AckActionSender,
-    task_client: TaskClient,
 }
 
 impl SentNotificationListener {
     pub(super) fn new(
         sent_notifier: SentPacketNotificationReceiver,
         action_sender: AckActionSender,
-        task_client: TaskClient,
     ) -> Self {
         SentNotificationListener {
             sent_notifier,
             action_sender,
-            task_client,
         }
     }
 
@@ -36,20 +32,15 @@ impl SentNotificationListener {
             trace!("sent off a cover message - no need to start retransmission timer!");
             return;
         }
-        if let Err(err) = self
+        self.action_sender
-            .action_sender
             .unbounded_send(Action::new_start_timer(frag_id))
-        {
+            .unwrap();
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send start timer action to action controller: {err}");
-            }
-        }
     }
 
-    pub(super) async fn run(&mut self) {
+    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
         debug!("Started SentNotificationListener with graceful shutdown support");
 
-        while !self.task_client.is_shutdown() {
+        loop {
             tokio::select! {
                 frag_id = self.sent_notifier.next() => match frag_id {
                     Some(frag_id) => {
@@ -60,13 +51,13 @@ impl SentNotificationListener {
                         break;
                     }
                 },
-                _ = self.task_client.recv() => {
+                _ = shutdown.recv_with_delay() => {
                     log::trace!("SentNotificationListener: Received shutdown");
                     break;
                 }
             }
         }
-        assert!(self.task_client.is_shutdown_poll());
+        assert!(shutdown.is_shutdown_poll());
         log::debug!("SentNotificationListener: Exiting");
     }
 }

common/client-core/src/client/real_messages_control/message_handler.rs

@@ -15,12 +15,11 @@ 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};
+use nym_sphinx::params::{PacketSize, PacketType, DEFAULT_NUM_MIX_HOPS};
 use nym_sphinx::preparer::{MessagePreparer, PreparedFragment};
 use nym_sphinx::Delay;
 use nym_task::connections::TransmissionLane;
-use nym_task::TaskClient;
+use nym_topology::{NymTopology, NymTopologyError};
-use nym_topology::{NymRouteProvider, NymTopologyError};
 use rand::{CryptoRng, Rng};
 use std::collections::HashMap;
 use std::sync::Arc;
@@ -101,6 +100,10 @@ pub(crate) struct Config {
     /// Average delay an acknowledgement packet is going to get delay at a single mixnode.
     average_ack_delay: Duration,
 
+    /// Number of mix hops each packet ('real' message, ack, reply) is expected to take.
+    /// Note that it does not include gateway hops.
+    num_mix_hops: u8,
+
     /// Primary predefined packet size used for the encapsulated messages.
     primary_packet_size: PacketSize,
 
@@ -122,11 +125,19 @@ impl Config {
             deterministic_route_selection,
             average_packet_delay,
             average_ack_delay,
+            num_mix_hops: DEFAULT_NUM_MIX_HOPS,
             primary_packet_size: PacketSize::default(),
             secondary_packet_size: None,
         }
     }
 
+    /// Allows setting non-default number of expected mix hops in the network.
+    #[allow(dead_code)]
+    pub fn with_mix_hops(mut self, hops: u8) -> Self {
+        self.num_mix_hops = hops;
+        self
+    }
+
     /// Allows setting non-default size of the sphinx packets sent out.
     pub fn with_custom_primary_packet_size(mut self, packet_size: PacketSize) -> Self {
         self.primary_packet_size = packet_size;
@@ -150,14 +161,12 @@ pub(crate) struct MessageHandler<R> {
     topology_access: TopologyAccessor,
     reply_key_storage: SentReplyKeys,
     tag_storage: UsedSenderTags,
-    task_client: TaskClient,
 }
 
 impl<R> MessageHandler<R>
 where
     R: CryptoRng + Rng,
 {
-    #[allow(clippy::too_many_arguments)]
     pub(crate) fn new(
         config: Config,
         rng: R,
@@ -166,7 +175,6 @@ where
         topology_access: TopologyAccessor,
         reply_key_storage: SentReplyKeys,
         tag_storage: UsedSenderTags,
-        task_client: TaskClient,
     ) -> Self
     where
         R: Copy,
@@ -177,7 +185,9 @@ where
             config.sender_address,
             config.average_packet_delay,
             config.average_ack_delay,
-        );
+        )
+        .with_mix_hops(config.num_mix_hops);
+
         MessageHandler {
             config,
             rng,
@@ -187,7 +197,6 @@ where
             topology_access,
             reply_key_storage,
             tag_storage,
-            task_client,
         }
     }
 
@@ -207,7 +216,7 @@ where
     fn get_topology<'a>(
         &self,
         permit: &'a TopologyReadPermit<'a>,
-    ) -> Result<&'a NymRouteProvider, PreparationError> {
+    ) -> Result<&'a NymTopology, PreparationError> {
         match permit.try_get_valid_topology_ref(&self.config.sender_address, None) {
             Ok(topology_ref) => Ok(topology_ref),
             Err(err) => {
@@ -224,8 +233,9 @@ where
             return self.config.primary_packet_size;
         };
 
-        let primary_count = msg.required_packets(self.config.primary_packet_size);
+        let primary_count =
-        let secondary_count = msg.required_packets(secondary_packet);
+            msg.required_packets(self.config.primary_packet_size, self.config.num_mix_hops);
+        let secondary_count = msg.required_packets(secondary_packet, self.config.num_mix_hops);
 
         trace!("This message would require: {primary_count} primary packets or {secondary_count} secondary packets...");
         // if there would be no benefit in using the secondary packet - use the primary (duh)
@@ -414,9 +424,10 @@ where
         message: Vec<u8>,
         lane: TransmissionLane,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) -> 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, packet_type, mix_hops)
             .await
     }
 
@@ -426,6 +437,7 @@ where
         recipient: Recipient,
         lane: TransmissionLane,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) -> 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
@@ -458,6 +470,7 @@ where
                 &self.config.ack_key,
                 &recipient,
                 packet_type,
+                mix_hops,
             )?;
 
             let real_message = RealMessage::new(
@@ -465,7 +478,8 @@ where
                 Some(fragment.fragment_identifier()),
             );
             let delay = prepared_fragment.total_delay;
-            let pending_ack = PendingAcknowledgement::new_known(fragment, delay, recipient);
+            let pending_ack =
+                PendingAcknowledgement::new_known(fragment, delay, recipient, mix_hops);
 
             real_messages.push(real_message);
             pending_acks.push(pending_ack);
@@ -482,6 +496,7 @@ where
         recipient: Recipient,
         amount: u32,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) -> Result<(), PreparationError> {
         debug!("Sending additional reply SURBs with packet type {packet_type}");
         let sender_tag = self.get_or_create_sender_tag(&recipient);
@@ -498,6 +513,7 @@ where
             recipient,
             TransmissionLane::AdditionalReplySurbs,
             packet_type,
+            mix_hops,
         )
         .await?;
 
@@ -514,6 +530,7 @@ where
         num_reply_surbs: u32,
         lane: TransmissionLane,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) -> Result<(), SurbWrappedPreparationError> {
         debug!("Sending message with reply SURBs with packet type {packet_type}");
         let sender_tag = self.get_or_create_sender_tag(&recipient);
@@ -524,7 +541,7 @@ 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, packet_type, mix_hops)
             .await?;
 
         log::trace!("storing {} reply keys", reply_keys.len());
@@ -538,18 +555,23 @@ where
         recipient: Recipient,
         chunk: Fragment,
         packet_type: PacketType,
+        mix_hops: Option<u8>,
     ) -> 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(
+        let prepared_fragment = self
-            chunk,
+            .message_preparer
-            topology,
+            .prepare_chunk_for_sending(
-            &self.config.ack_key,
+                chunk,
-            &recipient,
+                topology,
-            packet_type,
+                &self.config.ack_key,
-        )?;
+                &recipient,
+                packet_type,
+                mix_hops,
+            )
+            .unwrap();
 
         Ok(prepared_fragment)
     }
@@ -602,37 +624,30 @@ where
             Err(err) => return Err(err.return_surbs(vec![reply_surb])),
         };
 
-        let prepared_fragment = self.message_preparer.prepare_reply_chunk_for_sending(
+        let prepared_fragment = self
-            chunk,
+            .message_preparer
-            topology,
+            .prepare_reply_chunk_for_sending(
-            &self.config.ack_key,
+                chunk,
-            reply_surb,
+                topology,
-            PacketType::Mix,
+                &self.config.ack_key,
-        )?;
+                reply_surb,
+                PacketType::Mix,
+            )
+            .unwrap();
 
         Ok(prepared_fragment)
     }
 
     pub(crate) fn update_ack_delay(&self, id: FragmentIdentifier, new_delay: Delay) {
-        if let Err(err) = self
+        self.action_sender
-            .action_sender
             .unbounded_send(Action::UpdatePendingAck(id, new_delay))
-        {
+            .expect("action control task has died")
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send update action to the controller: {err}");
-            }
-        }
     }
 
     pub(crate) fn insert_pending_acks(&self, pending_acks: Vec<PendingAcknowledgement>) {
-        if let Err(err) = self
+        self.action_sender
-            .action_sender
             .unbounded_send(Action::new_insert(pending_acks))
-        {
+            .expect("action control task has died")
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send insert action to the controller: {err}");
-            }
-        }
     }
 
     // tells real message sender (with the poisson timer) to send this to the mix network
@@ -641,14 +656,9 @@ where
         messages: Vec<RealMessage>,
         transmission_lane: TransmissionLane,
     ) {
-        if let Err(err) = self
+        self.real_message_sender
-            .real_message_sender
             .send((messages, transmission_lane))
             .await
-        {
+            .expect("real message receiver task (OutQueueControl) has died");
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to forward messages to the real message sender: {err}");
-            }
-        }
     }
 }

common/client-core/src/client/real_messages_control/mod.rs

@@ -9,12 +9,10 @@ use self::{
     acknowledgement_control::AcknowledgementController, real_traffic_stream::OutQueueControl,
 };
 use crate::client::real_messages_control::message_handler::MessageHandler;
-use crate::client::replies::reply_controller;
 use crate::client::replies::reply_controller::{
     ReplyController, ReplyControllerReceiver, ReplyControllerSender,
 };
 use crate::client::replies::reply_storage::CombinedReplyStorage;
-use crate::config;
 use crate::{
     client::{
         inbound_messages::InputMessageReceiver, mix_traffic::BatchMixMessageSender,
@@ -29,14 +27,16 @@ use nym_gateway_client::AcknowledgementReceiver;
 use nym_sphinx::acknowledgements::AckKey;
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::params::PacketType;
-use nym_statistics_common::clients::ClientStatsSender;
 use nym_task::connections::{ConnectionCommandReceiver, LaneQueueLengths};
-use nym_task::TaskClient;
 use rand::{rngs::OsRng, CryptoRng, Rng};
 use std::sync::Arc;
 
+use crate::client::replies::reply_controller;
+use crate::config;
 pub(crate) use acknowledgement_control::{AckActionSender, Action};
 
+use nym_statistics_common::clients::ClientStatsSender;
+
 pub(crate) mod acknowledgement_control;
 pub(crate) mod message_handler;
 pub(crate) mod real_traffic_stream;
@@ -148,7 +148,6 @@ impl RealMessagesController<OsRng> {
         lane_queue_lengths: LaneQueueLengths,
         client_connection_rx: ConnectionCommandReceiver,
         stats_tx: ClientStatsSender,
-        task_client: TaskClient,
     ) -> Self {
         let rng = OsRng;
 
@@ -179,7 +178,6 @@ impl RealMessagesController<OsRng> {
             topology_access.clone(),
             reply_storage.key_storage(),
             reply_storage.tags_storage(),
-            task_client.fork("message_handler"),
         );
 
         let ack_control = AcknowledgementController::new(
@@ -189,7 +187,6 @@ impl RealMessagesController<OsRng> {
             message_handler.clone(),
             reply_controller_sender,
             stats_tx.clone(),
-            task_client.fork("ack_control"),
         );
 
         let reply_control = ReplyController::new(
@@ -197,7 +194,6 @@ impl RealMessagesController<OsRng> {
             message_handler,
             reply_storage,
             reply_controller_receiver,
-            task_client.fork("reply_controller"),
         );
 
         let out_queue_control = OutQueueControl::new(
@@ -210,7 +206,6 @@ impl RealMessagesController<OsRng> {
             lane_queue_lengths,
             client_connection_rx,
             stats_tx,
-            task_client.with_suffix("out_queue_control"),
         );
 
         RealMessagesController {
@@ -220,20 +215,22 @@ impl RealMessagesController<OsRng> {
         }
     }
 
-    pub fn start(self, packet_type: PacketType) {
+    pub fn start_with_shutdown(self, shutdown: nym_task::TaskClient, packet_type: PacketType) {
         let mut out_queue_control = self.out_queue_control;
         let ack_control = self.ack_control;
         let mut reply_control = self.reply_control;
 
+        let shutdown_handle = shutdown.fork("out_queue_control");
         spawn_future(async move {
-            out_queue_control.run().await;
+            out_queue_control.run_with_shutdown(shutdown_handle).await;
             debug!("The out queue controller has finished execution!");
         });
+        let shutdown_handle = shutdown.fork("reply_control");
         spawn_future(async move {
-            reply_control.run().await;
+            reply_control.run_with_shutdown(shutdown_handle).await;
             debug!("The reply controller has finished execution!");
         });
 
-        ack_control.start(packet_type);
+        ack_control.start_with_shutdown(shutdown.with_suffix("ack_control"), packet_type);
     }
 }

common/client-core/src/client/real_messages_control/real_traffic_stream.rs

@@ -22,7 +22,6 @@ use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, C
 use nym_task::connections::{
     ConnectionCommand, ConnectionCommandReceiver, ConnectionId, LaneQueueLengths, TransmissionLane,
 };
-use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 use std::pin::Pin;
 use std::sync::Arc;
@@ -118,8 +117,6 @@ where
 
     /// Channel used for sending metrics events (specifically `PacketStatistics` events) to the metrics tracker.
     stats_tx: ClientStatsSender,
-
-    task_client: TaskClient,
 }
 
 #[derive(Debug)]
@@ -179,7 +176,6 @@ where
         lane_queue_lengths: LaneQueueLengths,
         client_connection_rx: ConnectionCommandReceiver,
         stats_tx: ClientStatsSender,
-        task_client: TaskClient,
     ) -> Self {
         OutQueueControl {
             config,
@@ -194,7 +190,6 @@ where
             client_connection_rx,
             lane_queue_lengths,
             stats_tx,
-            task_client,
         }
     }
 
@@ -203,9 +198,7 @@ where
         // queues and client load rather than the required delay. So realistically we can treat
         // whatever is about to happen as negligible additional delay.
         trace!("{} is about to get sent to the mixnet", frag_id);
-        if let Err(err) = self.sent_notifier.unbounded_send(frag_id) {
+        self.sent_notifier.unbounded_send(frag_id).unwrap();
-            error!("Failed to notify about sent message: {err}");
-        }
     }
 
     fn loop_cover_message_size(&mut self) -> PacketSize {
@@ -237,7 +230,6 @@ where
                 // poisson delay, but is it really a problem?
                 let topology_permit = self.topology_access.get_read_permit().await;
                 // the ack is sent back to ourselves (and then ignored)
-
                 let topology_ref = match topology_permit.try_get_valid_topology_ref(
                     &self.config.our_full_destination,
                     Some(&self.config.our_full_destination),
@@ -278,9 +270,7 @@ where
         };
 
         if let Err(err) = self.mix_tx.send(vec![next_message]).await {
-            if !self.task_client.is_shutdown_poll() {
+            log::error!("Failed to send: {err}");
-                log::error!("Failed to send: {err}");
-            }
         } else {
             let event = if fragment_id.is_some() {
                 PacketStatisticsEvent::RealPacketSent(packet_size)
@@ -513,7 +503,7 @@ where
     }
 
     #[cfg(not(target_arch = "wasm32"))]
-    fn log_status(&self, shutdown: &mut TaskClient) {
+    fn log_status(&self, shutdown: &mut nym_task::TaskClient) {
         use crate::error::ClientCoreStatusMessage;
 
         let packets = self.transmission_buffer.total_size();
@@ -544,19 +534,17 @@ where
         }
     }
 
-    pub(super) async fn run(&mut self) {
+    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
         debug!("Started OutQueueControl with graceful shutdown support");
 
-        let mut shutdown = self.task_client.fork("select");
-
         #[cfg(not(target_arch = "wasm32"))]
         {
             let mut status_timer = tokio::time::interval(Duration::from_secs(5));
 
-            while !shutdown.is_shutdown() {
+            loop {
                 tokio::select! {
                     biased;
-                    _ = shutdown.recv() => {
+                    _ = shutdown.recv_with_delay() => {
                         log::trace!("OutQueueControl: Received shutdown");
                         break;
                     }

common/client-core/src/client/real_messages_control/real_traffic_stream/sending_delay_controller.rs

@@ -70,10 +70,7 @@ impl SendingDelayController {
             lower_bound,
             multiplier_elevated_counter: 0,
             time_when_logged_about_elevated_multiplier: now
-                .checked_sub(Duration::from_secs(
+                - Duration::from_secs(INTERVAL_BETWEEN_WARNING_ABOUT_ELEVATED_MULTIPLIER_SECS),
-                    INTERVAL_BETWEEN_WARNING_ABOUT_ELEVATED_MULTIPLIER_SECS,
-                ))
-                .unwrap_or(now),
             time_when_changed: now,
             time_when_backpressure_detected: now,
         }

common/client-core/src/client/received_buffer.rs

@@ -20,7 +20,6 @@ use nym_sphinx::message::{NymMessage, PlainMessage};
 use nym_sphinx::params::ReplySurbKeyDigestAlgorithm;
 use nym_sphinx::receiver::{MessageReceiver, MessageRecoveryError, ReconstructedMessage};
 use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, ClientStatsSender};
-use nym_task::TaskClient;
 use std::collections::HashSet;
 use std::sync::Arc;
 
@@ -153,7 +152,6 @@ struct ReceivedMessagesBuffer<R: MessageReceiver> {
     inner: Arc<Mutex<ReceivedMessagesBufferInner<R>>>,
     reply_key_storage: SentReplyKeys,
     reply_controller_sender: ReplyControllerSender,
-    task_client: TaskClient,
 }
 
 impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
@@ -162,7 +160,6 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
         reply_key_storage: SentReplyKeys,
         reply_controller_sender: ReplyControllerSender,
         stats_tx: ClientStatsSender,
-        task_client: TaskClient,
     ) -> Self {
         ReceivedMessagesBuffer {
             inner: Arc::new(Mutex::new(ReceivedMessagesBufferInner {
@@ -175,7 +172,6 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
             })),
             reply_key_storage,
             reply_controller_sender,
-            task_client,
         }
     }
 
@@ -261,15 +257,11 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
                 }
             };
 
-            if let Err(err) = self.reply_controller_sender.send_additional_surbs(
+            self.reply_controller_sender.send_additional_surbs(
                 msg.sender_tag,
                 reply_surbs,
                 from_surb_request,
-            ) {
+            )
-                if !self.task_client.is_shutdown_poll() {
-                    error!("{err}");
-                }
-            }
         }
         reconstructed
     }
@@ -284,14 +276,8 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
                 ReplyMessageContent::Data { message } => reconstructed.push(message.into()),
                 ReplyMessageContent::SurbRequest { recipient, amount } => {
                     debug!("received request for {amount} additional reply SURBs from {recipient}");
-                    if let Err(err) = self
+                    self.reply_controller_sender
-                        .reply_controller_sender
+                        .send_additional_surbs_request(*recipient, amount);
-                        .send_additional_surbs_request(*recipient, amount)
-                    {
-                        if !self.task_client.is_shutdown_poll() {
-                            error!("{err}");
-                        }
-                    }
                 }
             }
         }
@@ -413,19 +399,16 @@ pub enum ReceivedBufferMessage {
 struct RequestReceiver<R: MessageReceiver> {
     received_buffer: ReceivedMessagesBuffer<R>,
     query_receiver: ReceivedBufferRequestReceiver,
-    task_client: TaskClient,
 }
 
 impl<R: MessageReceiver> RequestReceiver<R> {
     fn new(
         received_buffer: ReceivedMessagesBuffer<R>,
         query_receiver: ReceivedBufferRequestReceiver,
-        task_client: TaskClient,
     ) -> Self {
         RequestReceiver {
             received_buffer,
             query_receiver,
-            task_client,
         }
     }
 
@@ -440,12 +423,12 @@ impl<R: MessageReceiver> RequestReceiver<R> {
         }
     }
 
-    async fn run(&mut self) {
+    async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
         debug!("Started RequestReceiver with graceful shutdown support");
-        while !self.task_client.is_shutdown() {
+        while !shutdown.is_shutdown() {
             tokio::select! {
                 biased;
-                _ = self.task_client.recv() => {
+                _ = shutdown.recv_with_delay() => {
                     log::trace!("RequestReceiver: Received shutdown");
                 }
                 request = self.query_receiver.next() => {
@@ -458,7 +441,7 @@ impl<R: MessageReceiver> RequestReceiver<R> {
                 },
             }
         }
-        self.task_client.recv().await;
+        shutdown.recv_timeout().await;
         log::debug!("RequestReceiver: Exiting");
     }
 }
@@ -466,25 +449,25 @@ impl<R: MessageReceiver> RequestReceiver<R> {
 struct FragmentedMessageReceiver<R: MessageReceiver> {
     received_buffer: ReceivedMessagesBuffer<R>,
     mixnet_packet_receiver: MixnetMessageReceiver,
-    task_client: TaskClient,
 }
 
 impl<R: MessageReceiver> FragmentedMessageReceiver<R> {
     fn new(
         received_buffer: ReceivedMessagesBuffer<R>,
         mixnet_packet_receiver: MixnetMessageReceiver,
-        task_client: TaskClient,
     ) -> Self {
         FragmentedMessageReceiver {
             received_buffer,
             mixnet_packet_receiver,
-            task_client,
         }
     }
 
-    async fn run(&mut self) -> Result<(), MessageRecoveryError> {
+    async fn run_with_shutdown(
+        &mut self,
+        mut shutdown: nym_task::TaskClient,
+    ) -> Result<(), MessageRecoveryError> {
         debug!("Started FragmentedMessageReceiver with graceful shutdown support");
-        while !self.task_client.is_shutdown() {
+        while !shutdown.is_shutdown() {
             tokio::select! {
                 new_messages = self.mixnet_packet_receiver.next() => {
                     if let Some(new_messages) = new_messages {
@@ -494,12 +477,12 @@ impl<R: MessageReceiver> FragmentedMessageReceiver<R> {
                         break;
                     }
                 },
-                _ = self.task_client.recv_with_delay() => {
+                _ = shutdown.recv_with_delay() => {
                     log::trace!("FragmentedMessageReceiver: Received shutdown");
                 }
             }
         }
-        self.task_client.recv_timeout().await;
+        shutdown.recv_timeout().await;
         log::debug!("FragmentedMessageReceiver: Exiting");
         Ok(())
     }
@@ -518,42 +501,41 @@ impl<R: MessageReceiver + Clone + Send + 'static> ReceivedMessagesBufferControll
         reply_key_storage: SentReplyKeys,
         reply_controller_sender: ReplyControllerSender,
         metrics_reporter: ClientStatsSender,
-        task_client: TaskClient,
     ) -> Self {
         let received_buffer = ReceivedMessagesBuffer::new(
             local_encryption_keypair,
             reply_key_storage,
             reply_controller_sender,
             metrics_reporter,
-            task_client.fork("received_messages_buffer"),
         );
 
         ReceivedMessagesBufferController {
             fragmented_message_receiver: FragmentedMessageReceiver::new(
                 received_buffer.clone(),
                 mixnet_packet_receiver,
-                task_client.fork("fragmented_message_receiver"),
-            ),
-            request_receiver: RequestReceiver::new(
-                received_buffer,
-                query_receiver,
-                task_client.with_suffix("request_receiver"),
             ),
+            request_receiver: RequestReceiver::new(received_buffer, query_receiver),
         }
     }
 
-    pub fn start(self) {
+    pub fn start_with_shutdown(self, shutdown: nym_task::TaskClient) {
         let mut fragmented_message_receiver = self.fragmented_message_receiver;
         let mut request_receiver = self.request_receiver;
 
+        let shutdown_handle = shutdown.fork("fragmented_message_receiver");
         spawn_future(async move {
-            match fragmented_message_receiver.run().await {
+            match fragmented_message_receiver
+                .run_with_shutdown(shutdown_handle)
+                .await
+            {
                 Ok(_) => {}
                 Err(e) => error!("{e}"),
             }
         });
         spawn_future(async move {
-            request_receiver.run().await;
+            request_receiver
+                .run_with_shutdown(shutdown.with_suffix("request_receiver"))
+                .await;
         });
     }
 }

common/client-core/src/client/replies/reply_controller/mod.rs

@@ -12,7 +12,6 @@ use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
 use nym_sphinx::anonymous_replies::ReplySurb;
 use nym_sphinx::chunking::fragment::{Fragment, FragmentIdentifier};
 use nym_task::connections::{ConnectionId, TransmissionLane};
-use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 use std::cmp::{max, min};
 use std::collections::btree_map::Entry;
@@ -69,9 +68,6 @@ pub struct ReplyController<R> {
 
     message_handler: MessageHandler<R>,
     full_reply_storage: CombinedReplyStorage,
-
-    // Listen for shutdown signals
-    task_client: TaskClient,
 }
 
 impl<R> ReplyController<R>
@@ -83,7 +79,6 @@ where
         message_handler: MessageHandler<R>,
         full_reply_storage: CombinedReplyStorage,
         request_receiver: ReplyControllerReceiver,
-        task_client: TaskClient,
     ) -> Self {
         ReplyController {
             config,
@@ -92,7 +87,6 @@ where
             pending_retransmissions: HashMap::new(),
             message_handler,
             full_reply_storage,
-            task_client,
         }
     }
 
@@ -522,6 +516,7 @@ where
                     recipient,
                     to_send,
                     nym_sphinx::params::PacketType::Mix,
+                    self.config.reply_surbs.surb_mix_hops,
                 )
                 .await
             {
@@ -852,11 +847,9 @@ where
     //     todo!()
     // }
 
-    pub(crate) async fn run(&mut self) {
+    pub(crate) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
         debug!("Started ReplyController with graceful shutdown support");
 
-        let mut shutdown = self.task_client.fork("select");
-
         let polling_rate = Duration::from_secs(5);
         let mut stale_inspection = new_interval_stream(polling_rate);
 
@@ -868,7 +861,7 @@ where
         while !shutdown.is_shutdown() {
             tokio::select! {
                 biased;
-                _ = shutdown.recv() => {
+                _ = shutdown.recv_with_delay() => {
                     log::trace!("ReplyController: Received shutdown");
                 },
                 req = self.request_receiver.next() => match req {

common/client-core/src/client/replies/reply_controller/requests.rs

@@ -15,27 +15,6 @@ pub(crate) fn new_control_channels() -> (ReplyControllerSender, ReplyControllerR
     (tx.into(), rx)
 }
 
-#[derive(Debug, thiserror::Error)]
-pub enum ReplyControllerSenderError {
-    #[error("failed to send retransmission data to reply controller")]
-    SendRetransmissionData(#[source] mpsc::TrySendError<ReplyControllerMessage>),
-
-    #[error("failed to send reply to reply controller")]
-    SendReply(#[source] mpsc::TrySendError<ReplyControllerMessage>),
-
-    #[error("failed to send additional surbs to reply controller")]
-    AdditionalSurbs(#[source] mpsc::TrySendError<ReplyControllerMessage>),
-
-    #[error("failed to send additional surbs request to reply controller")]
-    AdditionalSurbsRequest(#[source] mpsc::TrySendError<ReplyControllerMessage>),
-
-    #[error("failed to request lane queue length from reply controller")]
-    LaneQueueLength(#[source] mpsc::TrySendError<ReplyControllerMessage>),
-
-    #[error("response channel was dropped before we could receive the response")]
-    ResponseChannelDropped(#[source] oneshot::Canceled),
-}
-
 #[derive(Debug, Clone)]
 pub struct ReplyControllerSender(mpsc::UnboundedSender<ReplyControllerMessage>);
 
@@ -51,14 +30,14 @@ impl ReplyControllerSender {
         recipient: AnonymousSenderTag,
         timed_out_ack: Weak<PendingAcknowledgement>,
         extra_surb_request: bool,
-    ) -> Result<(), ReplyControllerSenderError> {
+    ) {
         self.0
             .unbounded_send(ReplyControllerMessage::RetransmitReply {
                 recipient,
                 timed_out_ack,
                 extra_surb_request,
             })
-            .map_err(ReplyControllerSenderError::SendRetransmissionData)
+            .expect("ReplyControllerReceiver has died!")
     }
 
     pub(crate) fn send_reply(
@@ -66,14 +45,14 @@ impl ReplyControllerSender {
         recipient: AnonymousSenderTag,
         message: Vec<u8>,
         lane: TransmissionLane,
-    ) -> Result<(), ReplyControllerSenderError> {
+    ) {
         self.0
             .unbounded_send(ReplyControllerMessage::SendReply {
                 recipient,
                 message,
                 lane,
             })
-            .map_err(ReplyControllerSenderError::SendReply)
+            .expect("ReplyControllerReceiver has died!")
     }
 
     pub(crate) fn send_additional_surbs(
@@ -81,47 +60,42 @@ impl ReplyControllerSender {
         sender_tag: AnonymousSenderTag,
         reply_surbs: Vec<ReplySurb>,
         from_surb_request: bool,
-    ) -> Result<(), ReplyControllerSenderError> {
+    ) {
         self.0
             .unbounded_send(ReplyControllerMessage::AdditionalSurbs {
                 sender_tag,
                 reply_surbs,
                 from_surb_request,
             })
-            .map_err(ReplyControllerSenderError::AdditionalSurbs)
+            .expect("ReplyControllerReceiver has died!")
     }
 
-    pub(crate) fn send_additional_surbs_request(
+    pub(crate) fn send_additional_surbs_request(&self, recipient: Recipient, amount: u32) {
-        &self,
-        recipient: Recipient,
-        amount: u32,
-    ) -> Result<(), ReplyControllerSenderError> {
         self.0
             .unbounded_send(ReplyControllerMessage::AdditionalSurbsRequest {
                 recipient: Box::new(recipient),
                 amount,
             })
-            .map_err(ReplyControllerSenderError::AdditionalSurbsRequest)
+            .expect("ReplyControllerReceiver has died!")
     }
 
-    pub async fn get_lane_queue_length(
+    pub async fn get_lane_queue_length(&self, connection_id: ConnectionId) -> usize {
-        &self,
-        connection_id: ConnectionId,
-    ) -> Result<usize, ReplyControllerSenderError> {
         let (response_tx, response_rx) = oneshot::channel();
-        if let Err(err) = self
+        self.0
-            .0
             .unbounded_send(ReplyControllerMessage::LaneQueueLength {
                 connection_id,
                 response_channel: response_tx,
             })
-        {
+            .expect("ReplyControllerReceiver has died!");
-            return Err(ReplyControllerSenderError::LaneQueueLength(err));
-        }
 
-        response_rx
+        match response_rx.await {
-            .await
+            Ok(length) => length,
-            .map_err(ReplyControllerSenderError::ResponseChannelDropped)
+            Err(_) => {
+                error!("The reply controller has dropped our response channel!");
+                // TODO: should we panic here instead? this message implies something weird and unrecoverable has happened
+                0
+            }
+        }
     }
 }
 
@@ -136,10 +110,7 @@ impl ReplyQueueLengths {
         }
     }
 
-    pub async fn get_lane_queue_length(
+    pub async fn get_lane_queue_length(&self, connection_id: ConnectionId) -> usize {
-        &self,
-        connection_id: ConnectionId,
-    ) -> Result<usize, ReplyControllerSenderError> {
         self.reply_controller_sender
             .get_lane_queue_length(connection_id)
             .await
@@ -149,7 +120,7 @@ impl ReplyQueueLengths {
 pub(crate) type ReplyControllerReceiver = mpsc::UnboundedReceiver<ReplyControllerMessage>;
 
 #[derive(Debug)]
-pub enum ReplyControllerMessage {
+pub(crate) enum ReplyControllerMessage {
     RetransmitReply {
         recipient: AnonymousSenderTag,
         timed_out_ack: Weak<PendingAcknowledgement>,

common/client-core/src/client/statistics_control.rs

@@ -16,14 +16,14 @@
 #![warn(clippy::todo)]
 #![warn(clippy::dbg_macro)]
 
-use futures::StreamExt;
+use std::time::Duration;
+
 use nym_client_core_config_types::StatsReporting;
 use nym_sphinx::addressing::Recipient;
 use nym_statistics_common::clients::{
     ClientStatsController, ClientStatsReceiver, ClientStatsSender,
 };
-use nym_task::{connections::TransmissionLane, TaskClient};
+use nym_task::connections::TransmissionLane;
-use std::time::Duration;
 
 use crate::{
     client::inbound_messages::{InputMessage, InputMessageSender},
@@ -51,9 +51,6 @@ pub(crate) struct StatisticsControl {
 
     /// Config for stats reporting (enabled, address, interval)
     reporting_config: StatsReporting,
-
-    /// Task client for listening for shutdown
-    task_client: TaskClient,
 }
 
 impl StatisticsControl {
@@ -62,24 +59,19 @@ impl StatisticsControl {
         client_type: String,
         client_stats_id: String,
         report_tx: InputMessageSender,
-        task_client: TaskClient,
     ) -> (Self, ClientStatsSender) {
         let (stats_tx, stats_rx) = tokio::sync::mpsc::unbounded_channel();
 
         let stats = ClientStatsController::new(client_stats_id, client_type);
 
-        let mut task_client_stats_sender = task_client.fork("stats_sender");
-        task_client_stats_sender.disarm();
-
         (
             StatisticsControl {
                 stats,
                 stats_rx,
                 report_tx,
                 reporting_config,
-                task_client,
             },
-            ClientStatsSender::new(Some(stats_tx), task_client_stats_sender),
+            ClientStatsSender::new(Some(stats_tx)),
         )
     }
 
@@ -99,43 +91,16 @@ impl StatisticsControl {
         }
     }
 
-    async fn run(&mut self) {
+    async fn run_with_shutdown(&mut self, mut task_client: nym_task::TaskClient) {
         log::debug!("Started StatisticsControl with graceful shutdown support");
 
-        #[cfg(not(target_arch = "wasm32"))]
+        let mut stats_report_interval =
-        let mut stats_report_interval = tokio_stream::wrappers::IntervalStream::new(
+            tokio::time::interval(self.reporting_config.reporting_interval);
-            tokio::time::interval(self.reporting_config.reporting_interval),
+        let mut local_report_interval = tokio::time::interval(LOCAL_REPORT_INTERVAL);
-        );
+        let mut snapshot_interval = tokio::time::interval(SNAPSHOT_INTERVAL);
 
-        #[cfg(not(target_arch = "wasm32"))]
+        loop {
-        let mut local_report_interval = tokio_stream::wrappers::IntervalStream::new(
-            tokio::time::interval(LOCAL_REPORT_INTERVAL),
-        );
-
-        #[cfg(not(target_arch = "wasm32"))]
-        let mut snapshot_interval =
-            tokio_stream::wrappers::IntervalStream::new(tokio::time::interval(SNAPSHOT_INTERVAL));
-
-        #[cfg(target_arch = "wasm32")]
-        let mut stats_report_interval = gloo_timers::future::IntervalStream::new(
-            self.reporting_config.reporting_interval.as_millis() as u32,
-        );
-
-        #[cfg(target_arch = "wasm32")]
-        let mut local_report_interval =
-            gloo_timers::future::IntervalStream::new(LOCAL_REPORT_INTERVAL.as_millis() as u32);
-
-        #[cfg(target_arch = "wasm32")]
-        let mut snapshot_interval =
-            gloo_timers::future::IntervalStream::new(SNAPSHOT_INTERVAL.as_millis() as u32);
-
-        while !self.task_client.is_shutdown() {
             tokio::select! {
-                biased;
-                _ = self.task_client.recv() => {
-                    log::trace!("StatisticsControl: Received shutdown");
-                    break;
-                },
                 stats_event = self.stats_rx.recv() => match stats_event {
                         Some(stats_event) => self.stats.handle_event(stats_event),
                         None => {
@@ -143,48 +108,44 @@ impl StatisticsControl {
                             break;
                         }
                 },
-                _ = snapshot_interval.next() => {
+                _ = snapshot_interval.tick() => {
                     self.stats.snapshot();
                 }
-                _ = stats_report_interval.next() => {
+                _ = stats_report_interval.tick(), if self.reporting_config.enabled && self.reporting_config.provider_address.is_some() => {
-                    let Some(recipient) = self.reporting_config.provider_address else {
+                    // SAFTEY : this branch executes only if reporting is not none, so unwrapp is fine
-                        continue
+                    #[allow(clippy::unwrap_used)]
-                    };
+                    self.report_stats(self.reporting_config.provider_address.unwrap()).await;
-
-                    if self.reporting_config.enabled {
-                        self.report_stats(recipient).await;
-                    }
                 }
 
-                _ = local_report_interval.next() => {
+                _ = local_report_interval.tick() => {
-                    self.stats.local_report(&mut self.task_client);
+                    self.stats.local_report(&mut task_client);
                 }
+                _ = task_client.recv_with_delay() => {
+                    log::trace!("StatisticsControl: Received shutdown");
+                    break;
+                },
             }
         }
+        task_client.recv_timeout().await;
         log::debug!("StatisticsControl: Exiting");
     }
 
-    pub(crate) fn start(mut self) {
+    pub(crate) fn start_with_shutdown(mut self, task_client: nym_task::TaskClient) {
         spawn_future(async move {
-            self.run().await;
+            self.run_with_shutdown(task_client).await;
         })
     }
 
-    pub(crate) fn create_and_start(
+    pub(crate) fn create_and_start_with_shutdown(
         reporting_config: StatsReporting,
         client_type: String,
         client_stats_id: String,
         report_tx: InputMessageSender,
-        task_client: TaskClient,
+        task_client: nym_task::TaskClient,
     ) -> ClientStatsSender {
-        let (controller, sender) = Self::create(
+        let (controller, sender) =
-            reporting_config,
+            Self::create(reporting_config, client_type, client_stats_id, report_tx);
-            client_type,
+        controller.start_with_shutdown(task_client);
-            client_stats_id,
-            report_tx,
-            task_client,
-        );
-        controller.start();
         sender
     }
 }

common/client-core/src/client/topology_control/accessor.rs

@@ -2,7 +2,8 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use nym_sphinx::addressing::clients::Recipient;
-use nym_topology::{NymRouteProvider, NymTopology, NymTopologyError};
+use nym_sphinx::params::DEFAULT_NUM_MIX_HOPS;
+use nym_topology::{NymTopology, NymTopologyError};
 use std::ops::Deref;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::Arc;
@@ -16,36 +17,29 @@ pub struct TopologyAccessorInner {
     // few seconds, while reads are needed every single packet generated.
     // However, proper benchmarks will be needed to determine if `RwLock` is indeed a better
     // approach than a `Mutex`
-    topology: RwLock<NymRouteProvider>,
+    topology: RwLock<Option<NymTopology>>,
 }
 
 impl TopologyAccessorInner {
-    fn new(initial: NymRouteProvider) -> Self {
+    fn new() -> Self {
         TopologyAccessorInner {
             controlled_manually: AtomicBool::new(false),
             released_manual_control: Notify::new(),
-            topology: RwLock::new(initial),
+            topology: RwLock::new(None),
         }
     }
 
     async fn update(&self, new: Option<NymTopology>) {
-        let mut guard = self.topology.write().await;
+        *self.topology.write().await = new;
-
-        match new {
-            Some(updated) => {
-                guard.update(updated);
-            }
-            None => guard.clear_topology(),
-        }
     }
 }
 
 pub struct TopologyReadPermit<'a> {
-    permit: RwLockReadGuard<'a, NymRouteProvider>,
+    permit: RwLockReadGuard<'a, Option<NymTopology>>,
 }
 
-impl Deref for TopologyReadPermit<'_> {
+impl<'a> Deref for TopologyReadPermit<'a> {
-    type Target = NymRouteProvider;
+    type Target = Option<NymTopology>;
 
     fn deref(&self) -> &Self::Target {
         &self.permit
@@ -59,31 +53,43 @@ impl<'a> TopologyReadPermit<'a> {
         &'a self,
         ack_recipient: &Recipient,
         packet_recipient: Option<&Recipient>,
-    ) -> Result<&'a NymRouteProvider, NymTopologyError> {
+    ) -> Result<&'a NymTopology, NymTopologyError> {
-        let route_provider = self.permit.deref();
-        let topology = &route_provider.topology;
-
         // 1. Have we managed to get anything from the refresher, i.e. have the nym-api queries gone through?
-        topology.ensure_not_empty()?;
+        let topology = self
+            .permit
+            .as_ref()
+            .ok_or(NymTopologyError::EmptyNetworkTopology)?;
 
-        // 2. does the topology have a node on each mixing layer?
+        // 2. does it have any mixnode at all?
-        topology.ensure_minimally_routable()?;
+        // 3. does it have any gateways at all?
+        // 4. does it have a mixnode on each layer?
+        topology.ensure_can_construct_path_through(DEFAULT_NUM_MIX_HOPS)?;
 
-        // 3. does it contain OUR gateway (so that we could create an ack packet)?
+        // 5. does it contain OUR gateway (so that we could create an ack packet)?
-        let _ = route_provider.egress_by_identity(ack_recipient.gateway())?;
+        if !topology.gateway_exists(ack_recipient.gateway()) {
-
+            return Err(NymTopologyError::NonExistentGatewayError {
-        // 4. for our target recipient, does it contain THEIR gateway (so that we send anything over?)
+                identity_key: ack_recipient.gateway().to_base58_string(),
-        if let Some(recipient) = packet_recipient {
+            });
-            let _ = route_provider.egress_by_identity(recipient.gateway())?;
         }
 
-        Ok(route_provider)
+        // 6. for our target recipient, does it contain THEIR gateway (so that we could create
+        if let Some(recipient) = packet_recipient {
+            if !topology.gateway_exists(recipient.gateway()) {
+                return Err(NymTopologyError::NonExistentGatewayError {
+                    identity_key: recipient.gateway().to_base58_string(),
+                });
+            }
+        }
+
+        Ok(topology)
     }
 }
 
-impl<'a> From<RwLockReadGuard<'a, NymRouteProvider>> for TopologyReadPermit<'a> {
+impl<'a> From<RwLockReadGuard<'a, Option<NymTopology>>> for TopologyReadPermit<'a> {
-    fn from(permit: RwLockReadGuard<'a, NymRouteProvider>) -> Self {
+    fn from(read_permit: RwLockReadGuard<'a, Option<NymTopology>>) -> Self {
-        TopologyReadPermit { permit }
+        TopologyReadPermit {
+            permit: read_permit,
+        }
     }
 }
 
@@ -93,11 +99,9 @@ pub struct TopologyAccessor {
 }
 
 impl TopologyAccessor {
-    pub fn new(ignore_egress_epoch_roles: bool) -> Self {
+    pub fn new() -> Self {
         TopologyAccessor {
-            inner: Arc::new(TopologyAccessorInner::new(NymRouteProvider::new_empty(
+            inner: Arc::new(TopologyAccessorInner::new()),
-                ignore_egress_epoch_roles,
-            ))),
         }
     }
 
@@ -117,21 +121,8 @@ impl TopologyAccessor {
         self.inner.released_manual_control.notified().await
     }
 
-    #[deprecated(note = "use .current_route_provider instead")]
     pub async fn current_topology(&self) -> Option<NymTopology> {
-        self.current_route_provider()
+        self.inner.topology.read().await.clone()
-            .await
-            .as_ref()
-            .map(|p| p.topology.clone())
-    }
-
-    pub async fn current_route_provider(&self) -> Option<RwLockReadGuard<NymRouteProvider>> {
-        let provider = self.inner.topology.read().await;
-        if provider.topology.is_empty() {
-            None
-        } else {
-            Some(provider)
-        }
     }
 
     pub async fn manually_change_topology(&self, new_topology: NymTopology) {
@@ -149,11 +140,15 @@ impl TopologyAccessor {
     // only used by the client at startup to get a slightly more reasonable error message
     // (currently displays as unused because health checker is disabled due to required changes)
     pub async fn ensure_is_routable(&self) -> Result<(), NymTopologyError> {
-        self.inner
+        match self.inner.topology.read().await.deref() {
-            .topology
+            None => Err(NymTopologyError::EmptyNetworkTopology),
-            .read()
+            Some(ref topology) => topology.ensure_can_construct_path_through(DEFAULT_NUM_MIX_HOPS),
-            .await
+        }
-            .topology
+    }
-            .ensure_minimally_routable()
+}
+
+impl Default for TopologyAccessor {
+    fn default() -> Self {
+        TopologyAccessor::new()
     }
 }

common/client-core/src/client/topology_control/geo_aware_provider.rs

@@ -3,6 +3,7 @@ use log::{debug, error};
 use nym_explorer_client::{ExplorerClient, PrettyDetailedMixNodeBond};
 use nym_network_defaults::var_names::EXPLORER_API;
 use nym_topology::{
+    nym_topology_from_basic_info,
     provider_trait::{async_trait, TopologyProvider},
     NymTopology,
 };
@@ -14,6 +15,8 @@ use url::Url;
 
 pub use nym_country_group::CountryGroup;
 
+const MIN_NODES_PER_LAYER: usize = 1;
+
 fn create_explorer_client() -> Option<ExplorerClient> {
     let Ok(explorer_api_url) = std::env::var(EXPLORER_API) else {
         error!("Missing EXPLORER_API");
@@ -60,22 +63,37 @@ fn log_mixnode_distribution(mixnodes: &HashMap<CountryGroup, Vec<NodeId>>) {
 }
 
 fn check_layer_integrity(topology: NymTopology) -> Result<(), ()> {
-    if topology.ensure_minimally_routable().is_err() {
+    let mixes = topology.mixes();
+    if mixes.keys().len() < 3 {
         error!("Layer is missing in topology!");
         return Err(());
     }
+    for (layer, mixnodes) in mixes {
+        debug!("Layer {:?} has {} mixnodes", layer, mixnodes.len());
+        if mixnodes.len() < MIN_NODES_PER_LAYER {
+            error!(
+                "There are only {} mixnodes in layer {:?}",
+                mixnodes.len(),
+                layer
+            );
+            return Err(());
+        }
+    }
     Ok(())
 }
 
-#[deprecated(note = "use NymApiTopologyProvider instead as explorer API will soon be removed")]
 pub struct GeoAwareTopologyProvider {
     validator_client: nym_validator_client::client::NymApiClient,
     filter_on: GroupBy,
+    client_version: String,
 }
 
-#[allow(deprecated)]
 impl GeoAwareTopologyProvider {
-    pub fn new(mut nym_api_urls: Vec<Url>, filter_on: GroupBy) -> GeoAwareTopologyProvider {
+    pub fn new(
+        mut nym_api_urls: Vec<Url>,
+        client_version: String,
+        filter_on: GroupBy,
+    ) -> GeoAwareTopologyProvider {
         log::info!(
             "Creating geo-aware topology provider with filter on {}",
             filter_on
@@ -87,22 +105,14 @@ impl GeoAwareTopologyProvider {
                 nym_api_urls[0].clone(),
             ),
             filter_on,
+            client_version,
         }
     }
 
     async fn get_topology(&self) -> Option<NymTopology> {
-        let rewarded_set = self
-            .validator_client
-            .get_current_rewarded_set()
-            .await
-            .inspect_err(|err| error!("failed to get current rewarded set: {err}"))
-            .ok()?;
-
-        let mut topology = NymTopology::new_empty(rewarded_set);
-
         let mixnodes = match self
             .validator_client
-            .get_all_basic_active_mixing_assigned_nodes()
+            .get_all_basic_active_mixing_assigned_nodes(Some(self.client_version.clone()))
             .await
         {
             Err(err) => {
@@ -114,7 +124,7 @@ impl GeoAwareTopologyProvider {
 
         let gateways = match self
             .validator_client
-            .get_all_basic_entry_assigned_nodes()
+            .get_all_basic_entry_assigned_nodes(Some(self.client_version.clone()))
             .await
         {
             Err(err) => {
@@ -183,8 +193,7 @@ impl GeoAwareTopologyProvider {
             .filter(|m| filtered_mixnode_ids.contains(&m.node_id))
             .collect::<Vec<_>>();
 
-        topology.add_skimmed_nodes(&mixnodes);
+        let topology = nym_topology_from_basic_info(&mixnodes, &gateways);
-        topology.add_skimmed_nodes(&gateways);
 
         // TODO: return real error type
         check_layer_integrity(topology.clone()).ok()?;
@@ -193,7 +202,6 @@ impl GeoAwareTopologyProvider {
     }
 }
 
-#[allow(deprecated)]
 #[cfg(not(target_arch = "wasm32"))]
 #[async_trait]
 impl TopologyProvider for GeoAwareTopologyProvider {
@@ -203,7 +211,6 @@ impl TopologyProvider for GeoAwareTopologyProvider {
     }
 }
 
-#[allow(deprecated)]
 #[cfg(target_arch = "wasm32")]
 #[async_trait(?Send)]
 impl TopologyProvider for GeoAwareTopologyProvider {

common/client-core/src/client/topology_control/mod.rs

@@ -6,7 +6,6 @@ pub(crate) use accessor::{TopologyAccessor, TopologyReadPermit};
 use futures::StreamExt;
 use log::*;
 use nym_sphinx::addressing::nodes::NodeIdentity;
-use nym_task::TaskClient;
 use nym_topology::NymTopologyError;
 use std::time::Duration;
 
@@ -20,7 +19,6 @@ mod accessor;
 pub mod geo_aware_provider;
 pub mod nym_api_provider;
 
-#[allow(deprecated)]
 pub use geo_aware_provider::GeoAwareTopologyProvider;
 pub use nym_api_provider::{Config as NymApiTopologyProviderConfig, NymApiTopologyProvider};
 pub use nym_topology::provider_trait::TopologyProvider;
@@ -29,7 +27,7 @@ pub use nym_topology::provider_trait::TopologyProvider;
 const MAX_FAILURE_COUNT: usize = 10;
 
 pub struct TopologyRefresherConfig {
-    pub refresh_rate: Duration,
+    refresh_rate: Duration,
 }
 
 impl TopologyRefresherConfig {
@@ -44,8 +42,6 @@ pub struct TopologyRefresher {
 
     refresh_rate: Duration,
     consecutive_failure_count: usize,
-
-    task_client: TaskClient,
 }
 
 impl TopologyRefresher {
@@ -53,14 +49,12 @@ impl TopologyRefresher {
         cfg: TopologyRefresherConfig,
         topology_accessor: TopologyAccessor,
         topology_provider: Box<dyn TopologyProvider + Send + Sync>,
-        task_client: TaskClient,
     ) -> Self {
         TopologyRefresher {
             topology_provider,
             topology_accessor,
             refresh_rate: cfg.refresh_rate,
             consecutive_failure_count: 0,
-            task_client,
         }
     }
 
@@ -102,24 +96,28 @@ impl TopologyRefresher {
         self.topology_accessor.ensure_is_routable().await
     }
 
-    pub async fn ensure_contains_routable_egress(
+    pub async fn ensure_contains_gateway(
         &self,
-        egress: NodeIdentity,
+        gateway: &NodeIdentity,
     ) -> Result<(), NymTopologyError> {
         let topology = self
             .topology_accessor
-            .current_route_provider()
+            .current_topology()
             .await
             .ok_or(NymTopologyError::EmptyNetworkTopology)?;
 
-        let _ = topology.egress_by_identity(egress)?;
+        if !topology.gateway_exists(gateway) {
+            return Err(NymTopologyError::NonExistentGatewayError {
+                identity_key: gateway.to_base58_string(),
+            });
+        }
 
         Ok(())
     }
 
     pub async fn wait_for_gateway(
         &mut self,
-        gateway: NodeIdentity,
+        gateway: &NodeIdentity,
         timeout_duration: Duration,
     ) -> Result<(), NymTopologyError> {
         info!(
@@ -137,7 +135,7 @@ impl TopologyRefresher {
                     })
                 }
                 _ = self.try_refresh() => {
-                    if self.ensure_contains_routable_egress(gateway).await.is_ok() {
+                    if self.ensure_contains_gateway(gateway).await.is_ok() {
                         return Ok(())
                     }
                     info!("gateway '{gateway}' is still not online...");
@@ -147,7 +145,7 @@ impl TopologyRefresher {
         }
     }
 
-    pub fn start(mut self) {
+    pub fn start_with_shutdown(mut self, mut shutdown: nym_task::TaskClient) {
         spawn_future(async move {
             debug!("Started TopologyRefresher with graceful shutdown support");
 
@@ -160,17 +158,17 @@ impl TopologyRefresher {
             let mut interval =
                 gloo_timers::future::IntervalStream::new(self.refresh_rate.as_millis() as u32);
 
-            while !self.task_client.is_shutdown() {
+            while !shutdown.is_shutdown() {
                 tokio::select! {
                     _ = interval.next() => {
                         self.try_refresh().await;
                     },
-                    _ = self.task_client.recv() => {
+                    _ = shutdown.recv() => {
                         log::trace!("TopologyRefresher: Received shutdown");
                     },
                 }
             }
-            self.task_client.recv_timeout().await;
+            shutdown.recv_timeout().await;
             log::debug!("TopologyRefresher: Exiting");
         })
     }

common/client-core/src/client/topology_control/nym_api_provider.rs

@@ -4,51 +4,47 @@
 use async_trait::async_trait;
 use log::{debug, error, warn};
 use nym_topology::provider_trait::TopologyProvider;
-use nym_topology::NymTopology;
+use nym_topology::{NymTopology, NymTopologyError};
 use nym_validator_client::UserAgent;
 use rand::prelude::SliceRandom;
 use rand::thread_rng;
-use std::cmp::min;
 use url::Url;
 
+// the same values as our current (10.06.24) blacklist
+pub const DEFAULT_MIN_MIXNODE_PERFORMANCE: u8 = 50;
+pub const DEFAULT_MIN_GATEWAY_PERFORMANCE: u8 = 50;
+
 #[derive(Debug)]
 pub struct Config {
     pub min_mixnode_performance: u8,
     pub min_gateway_performance: u8,
-    pub use_extended_topology: bool,
-    pub ignore_egress_epoch_role: bool,
 }
 
-impl From<nym_client_core_config_types::Topology> for Config {
+impl Default for Config {
-    fn from(value: nym_client_core_config_types::Topology) -> Self {
+    fn default() -> Self {
+        // old values that decided on blacklist membership
         Config {
-            min_mixnode_performance: value.minimum_mixnode_performance,
+            min_mixnode_performance: DEFAULT_MIN_MIXNODE_PERFORMANCE,
-            min_gateway_performance: value.minimum_gateway_performance,
+            min_gateway_performance: DEFAULT_MIN_GATEWAY_PERFORMANCE,
-            use_extended_topology: value.use_extended_topology,
-            ignore_egress_epoch_role: value.ignore_egress_epoch_role,
         }
     }
 }
 
-impl Config {
-    // if we're using 'extended' topology, filter the nodes based on the lowest set performance
-    fn min_node_performance(&self) -> u8 {
-        min(self.min_mixnode_performance, self.min_gateway_performance)
-    }
-}
-
 pub struct NymApiTopologyProvider {
     config: Config,
 
     validator_client: nym_validator_client::client::NymApiClient,
     nym_api_urls: Vec<Url>,
+
+    client_version: String,
     currently_used_api: usize,
 }
 
 impl NymApiTopologyProvider {
     pub fn new(
-        config: impl Into<Config>,
+        config: Config,
         mut nym_api_urls: Vec<Url>,
+        client_version: String,
         user_agent: Option<UserAgent>,
     ) -> Self {
         nym_api_urls.shuffle(&mut thread_rng());
@@ -63,9 +59,10 @@ impl NymApiTopologyProvider {
         };
 
         NymApiTopologyProvider {
-            config: config.into(),
+            config,
             validator_client,
             nym_api_urls,
+            client_version,
             currently_used_api: 0,
         }
     }
@@ -81,69 +78,70 @@ impl NymApiTopologyProvider {
             .change_nym_api(self.nym_api_urls[self.currently_used_api].clone())
     }
 
+    /// Verifies whether nodes a reasonably distributed among all mix layers.
+    ///
+    /// In ideal world we would have 33% nodes on layer 1, 33% on layer 2 and 33% on layer 3.
+    /// However, this is a rather unrealistic expectation, instead we check whether there exists
+    /// a layer with more than 66% of nodes or with fewer than 15% and if so, we trigger a failure.
+    ///
+    /// # Arguments
+    ///
+    /// * `topology`: active topology constructed from validator api data
+    fn check_layer_distribution(
+        &self,
+        active_topology: &NymTopology,
+    ) -> Result<(), NymTopologyError> {
+        let lower_threshold = 0.15;
+        let upper_threshold = 0.66;
+        active_topology.ensure_even_layer_distribution(lower_threshold, upper_threshold)
+    }
+
     async fn get_current_compatible_topology(&mut self) -> Option<NymTopology> {
-        let rewarded_set = self
+        let mixnodes = match self
             .validator_client
-            .get_current_rewarded_set()
+            .get_all_basic_active_mixing_assigned_nodes(Some(self.client_version.clone()))
             .await
-            .inspect_err(|err| error!("failed to get current rewarded set: {err}"))
+        {
-            .ok()?;
+            Err(err) => {
-
+                error!("failed to get network mixnodes - {err}");
-        let mut topology = NymTopology::new_empty(rewarded_set);
+                return None;
-
+            }
-        if self.config.use_extended_topology {
+            Ok(mixes) => mixes,
-            let all_nodes = self
-                .validator_client
-                .get_all_basic_nodes()
-                .await
-                .inspect_err(|err| error!("failed to get network nodes: {err}"))
-                .ok()?;
-
-            debug!(
-                "there are {} nodes on the network (before filtering)",
-                all_nodes.len()
-            );
-            topology.add_additional_nodes(all_nodes.iter().filter(|n| {
-                n.performance.round_to_integer() >= self.config.min_node_performance()
-            }));
-        } else {
-            // if we're not using extended topology, we're only getting active set mixnodes and gateways
-
-            let mixnodes = self
-                .validator_client
-                .get_all_basic_active_mixing_assigned_nodes()
-                .await
-                .inspect_err(|err| error!("failed to get network mixnodes: {err}"))
-                .ok()?;
-
-            // TODO: we really should be getting ACTIVE gateways only
-            let gateways = self
-                .validator_client
-                .get_all_basic_entry_assigned_nodes()
-                .await
-                .inspect_err(|err| error!("failed to get network gateways: {err}"))
-                .ok()?;
-
-            debug!(
-                "there are {} mixnodes and {} gateways in total (before performance filtering)",
-                mixnodes.len(),
-                gateways.len()
-            );
-
-            topology.add_additional_nodes(mixnodes.iter().filter(|m| {
-                m.performance.round_to_integer() >= self.config.min_mixnode_performance
-            }));
-            topology.add_additional_nodes(gateways.iter().filter(|m| {
-                m.performance.round_to_integer() >= self.config.min_gateway_performance
-            }));
         };
 
-        if !topology.is_minimally_routable() {
+        let gateways = match self
-            error!("the current filtered active topology can't be used to construct any packets");
+            .validator_client
-            return None;
+            .get_all_basic_entry_assigned_nodes(Some(self.client_version.clone()))
-        }
+            .await
+        {
+            Err(err) => {
+                error!("failed to get network gateways - {err}");
+                return None;
+            }
+            Ok(gateways) => gateways,
+        };
 
-        Some(topology)
+        debug!(
+            "there are {} mixnodes and {} gateways in total (before performance filtering)",
+            mixnodes.len(),
+            gateways.len()
+        );
+
+        let topology = NymTopology::from_unordered(
+            mixnodes.iter().filter(|m| {
+                m.performance.round_to_integer() >= self.config.min_mixnode_performance
+            }),
+            gateways.iter().filter(|g| {
+                g.performance.round_to_integer() >= self.config.min_gateway_performance
+            }),
+        );
+        if let Err(err) = self.check_layer_distribution(&topology) {
+            warn!("The current filtered active topology has extremely skewed layer distribution. It cannot be used: {err}");
+            self.use_next_nym_api();
+            None
+        } else {
+            Some(topology)
+        }
     }
 }
 
@@ -152,11 +150,7 @@ impl NymApiTopologyProvider {
 #[async_trait]
 impl TopologyProvider for NymApiTopologyProvider {
     async fn get_new_topology(&mut self) -> Option<NymTopology> {
-        let Some(topology) = self.get_current_compatible_topology().await else {
+        self.get_current_compatible_topology().await
-            self.use_next_nym_api();
-            return None;
-        };
-        Some(topology)
     }
 }
 
@@ -164,10 +158,6 @@ impl TopologyProvider for NymApiTopologyProvider {
 #[async_trait(?Send)]
 impl TopologyProvider for NymApiTopologyProvider {
     async fn get_new_topology(&mut self) -> Option<NymTopology> {
-        let Some(topology) = self.get_current_compatible_topology().await else {
+        self.get_current_compatible_topology().await
-            self.use_next_nym_api();
-            return None;
-        };
-        Some(topology)
     }
 }

common/client-core/src/error.rs

@@ -4,8 +4,8 @@
 use crate::client::mix_traffic::transceiver::ErasedGatewayError;
 use nym_crypto::asymmetric::identity::Ed25519RecoveryError;
 use nym_gateway_client::error::GatewayClientError;
-use nym_topology::node::RoutingNodeError;
+use nym_topology::gateway::GatewayConversionError;
-use nym_topology::{NodeId, NymTopologyError};
+use nym_topology::NymTopologyError;
 use nym_validator_client::ValidatorClientError;
 use std::error::Error;
 use std::path::PathBuf;
@@ -36,13 +36,6 @@ pub enum ClientCoreError {
     #[error("no gateway with id: {0}")]
     NoGatewayWithId(String),
 
-    #[error("Invalid URL: {0}")]
-    InvalidUrl(String),
-
-    #[cfg(not(target_arch = "wasm32"))]
-    #[error("resolution failed: {0}")]
-    ResolutionFailed(#[from] nym_http_api_client::HickoryDnsError),
-
     #[error("no gateways on network")]
     NoGatewaysOnNetwork,
 
@@ -81,10 +74,10 @@ pub enum ClientCoreError {
     #[error("the gateway id is invalid - {0}")]
     UnableToCreatePublicKeyFromGatewayId(Ed25519RecoveryError),
 
-    #[error("the node is malformed: {source}")]
+    #[error("The gateway is malformed: {source}")]
     MalformedGateway {
         #[from]
-        source: Box<RoutingNodeError>,
+        source: GatewayConversionError,
     },
 
     #[error("failed to establish connection to gateway: {source}")]
@@ -103,9 +96,6 @@ pub enum ClientCoreError {
     #[error("timed out while trying to establish gateway connection")]
     GatewayConnectionTimeout,
 
-    #[error("failed to forward mix messages to gateway")]
-    GatewayFailedToForwardMessages,
-
     #[error("no ping measurements for the gateway ({identity}) performed")]
     NoGatewayMeasurements { identity: String },
 
@@ -169,9 +159,6 @@ pub enum ClientCoreError {
     #[error("the specified gateway '{gateway}' does not support the wss protocol")]
     UnsupportedWssProtocol { gateway: String },
 
-    #[error("node {id} ({identity}) does not support mixnet entry mode")]
-    UnsupportedEntry { id: NodeId, identity: String },
-
     #[error(
     "failed to load custom topology using path '{}'. detailed message: {source}", file_path.display()
     )]
@@ -222,9 +209,6 @@ pub enum ClientCoreError {
         "fresh registration with gateway {gateway_id} somehow requires an additional key upgrade!"
     )]
     UnexpectedKeyUpgrade { gateway_id: String },
-
-    #[error("failed to derive keys from master key")]
-    HkdfDerivationError {},
 }
 
 /// Set of messages that the client can send to listeners via the task manager

common/client-core/src/init/helpers.rs

@@ -7,7 +7,7 @@ use futures::{SinkExt, StreamExt};
 use log::{debug, info, trace, warn};
 use nym_crypto::asymmetric::identity;
 use nym_gateway_client::GatewayClient;
-use nym_topology::node::RoutingNode;
+use nym_topology::{gateway, mix};
 use nym_validator_client::client::IdentityKeyRef;
 use nym_validator_client::UserAgent;
 use rand::{seq::SliceRandom, Rng};
@@ -15,10 +15,6 @@ use std::{sync::Arc, time::Duration};
 use tungstenite::Message;
 use url::Url;
 
-#[cfg(not(target_arch = "wasm32"))]
-use crate::init::websockets::connect_async;
-
-use nym_topology::NodeId;
 #[cfg(not(target_arch = "wasm32"))]
 use tokio::net::TcpStream;
 #[cfg(not(target_arch = "wasm32"))]
@@ -26,7 +22,10 @@ use tokio::time::sleep;
 #[cfg(not(target_arch = "wasm32"))]
 use tokio::time::Instant;
 #[cfg(not(target_arch = "wasm32"))]
+use tokio_tungstenite::connect_async;
+#[cfg(not(target_arch = "wasm32"))]
 use tokio_tungstenite::{MaybeTlsStream, WebSocketStream};
+
 #[cfg(target_arch = "wasm32")]
 use wasm_utils::websocket::JSWebsocket;
 #[cfg(target_arch = "wasm32")]
@@ -49,30 +48,22 @@ const PING_TIMEOUT: Duration = Duration::from_millis(1000);
 
 // The abstraction that some of these helpers use
 pub trait ConnectableGateway {
-    fn node_id(&self) -> NodeId;
+    fn identity(&self) -> &identity::PublicKey;
-    fn identity(&self) -> identity::PublicKey;
+    fn clients_address(&self) -> String;
-    fn clients_address(&self, prefer_ipv6: bool) -> Option<String>;
     fn is_wss(&self) -> bool;
 }
 
-impl ConnectableGateway for RoutingNode {
+impl ConnectableGateway for gateway::LegacyNode {
-    fn node_id(&self) -> NodeId {
+    fn identity(&self) -> &identity::PublicKey {
-        self.node_id
+        self.identity()
     }
 
-    fn identity(&self) -> identity::PublicKey {
+    fn clients_address(&self) -> String {
-        self.identity_key
+        self.clients_address()
-    }
-
-    fn clients_address(&self, prefer_ipv6: bool) -> Option<String> {
-        self.ws_entry_address(prefer_ipv6)
     }
 
     fn is_wss(&self) -> bool {
-        self.entry
+        self.clients_wss_port.is_some()
-            .as_ref()
-            .map(|e| e.clients_wss_port.is_some())
-            .unwrap_or_default()
     }
 }
 
@@ -87,13 +78,11 @@ impl<'a, G: ConnectableGateway> GatewayWithLatency<'a, G> {
     }
 }
 
-pub async fn gateways_for_init<R: Rng>(
+pub async fn current_gateways<R: Rng>(
     rng: &mut R,
     nym_apis: &[Url],
     user_agent: Option<UserAgent>,
-    minimum_performance: u8,
+) -> Result<Vec<gateway::LegacyNode>, ClientCoreError> {
-    ignore_epoch_roles: bool,
-) -> Result<Vec<RoutingNode>, ClientCoreError> {
     let nym_api = nym_apis
         .choose(rng)
         .ok_or(ClientCoreError::ListOfNymApisIsEmpty)?;
@@ -105,35 +94,49 @@ pub async fn gateways_for_init<R: Rng>(
 
     log::debug!("Fetching list of gateways from: {nym_api}");
 
-    let gateways = client.get_all_basic_entry_assigned_nodes().await?;
+    let gateways = client.get_all_basic_entry_assigned_nodes(None).await?;
-    info!("nym api reports {} gateways", gateways.len());
+    log::debug!("Found {} gateways", gateways.len());
-
     log::trace!("Gateways: {:#?}", gateways);
 
-    // filter out gateways below minimum performance and ones that could operate as a mixnode
-    // (we don't want instability)
     let valid_gateways = gateways
         .iter()
-        .filter(|g| ignore_epoch_roles || !g.supported_roles.mixnode)
-        .filter(|g| g.performance.round_to_integer() >= minimum_performance)
         .filter_map(|gateway| gateway.try_into().ok())
-        .collect::<Vec<_>>();
+        .collect::<Vec<gateway::LegacyNode>>();
     log::debug!("After checking validity: {}", valid_gateways.len());
     log::trace!("Valid gateways: {:#?}", valid_gateways);
 
-    log::info!(
+    log::info!("nym-api reports {} valid gateways", valid_gateways.len());
-        "and {} after validity and performance filtering",
-        valid_gateways.len()
-    );
 
     Ok(valid_gateways)
 }
 
+pub async fn current_mixnodes<R: Rng>(
+    rng: &mut R,
+    nym_apis: &[Url],
+) -> Result<Vec<mix::LegacyNode>, ClientCoreError> {
+    let nym_api = nym_apis
+        .choose(rng)
+        .ok_or(ClientCoreError::ListOfNymApisIsEmpty)?;
+    let client = nym_validator_client::client::NymApiClient::new(nym_api.clone());
+
+    log::trace!("Fetching list of mixnodes from: {nym_api}");
+
+    let mixnodes = client
+        .get_all_basic_active_mixing_assigned_nodes(None)
+        .await?;
+    let valid_mixnodes = mixnodes
+        .iter()
+        .filter_map(|mixnode| mixnode.try_into().ok())
+        .collect::<Vec<mix::LegacyNode>>();
+
+    Ok(valid_mixnodes)
+}
+
 #[cfg(not(target_arch = "wasm32"))]
 async fn connect(endpoint: &str) -> Result<WsConn, ClientCoreError> {
     match tokio::time::timeout(CONN_TIMEOUT, connect_async(endpoint)).await {
         Err(_elapsed) => Err(ClientCoreError::GatewayConnectionTimeout),
-        Ok(Err(conn_failure)) => Err(conn_failure),
+        Ok(Err(conn_failure)) => Err(conn_failure.into()),
         Ok(Ok((stream, _))) => Ok(stream),
     }
 }
@@ -147,12 +150,7 @@ async fn measure_latency<G>(gateway: &G) -> Result<GatewayWithLatency<G>, Client
 where
     G: ConnectableGateway,
 {
-    let Some(addr) = gateway.clients_address(false) else {
+    let addr = gateway.clients_address();
-        return Err(ClientCoreError::UnsupportedEntry {
-            id: gateway.node_id(),
-            identity: gateway.identity().to_string(),
-        });
-    };
     trace!(
         "establishing connection to {} ({addr})...",
         gateway.identity(),
@@ -208,7 +206,7 @@ where
     Ok(GatewayWithLatency::new(gateway, avg))
 }
 
-pub async fn choose_gateway_by_latency<R: Rng, G: ConnectableGateway + Clone>(
+pub async fn choose_gateway_by_latency<'a, R: Rng, G: ConnectableGateway + Clone>(
     rng: &mut R,
     gateways: &[G],
     must_use_tls: bool,
@@ -223,7 +221,7 @@ pub async fn choose_gateway_by_latency<R: Rng, G: ConnectableGateway + Clone>(
     let gateways_with_latency = Arc::new(tokio::sync::Mutex::new(Vec::new()));
     futures::stream::iter(gateways)
         .for_each_concurrent(CONCURRENT_GATEWAYS_MEASURED, |gateway| async {
-            let id = gateway.identity();
+            let id = *gateway.identity();
             trace!("measuring latency to {id}...");
             match measure_latency(gateway).await {
                 Ok(with_latency) => {
@@ -270,9 +268,9 @@ fn filter_by_tls<G: ConnectableGateway>(
 
 pub(super) fn uniformly_random_gateway<R: Rng>(
     rng: &mut R,
-    gateways: &[RoutingNode],
+    gateways: &[gateway::LegacyNode],
     must_use_tls: bool,
-) -> Result<RoutingNode, ClientCoreError> {
+) -> Result<gateway::LegacyNode, ClientCoreError> {
     filter_by_tls(gateways, must_use_tls)?
         .choose(rng)
         .ok_or(ClientCoreError::NoGatewaysOnNetwork)
@@ -281,9 +279,9 @@ pub(super) fn uniformly_random_gateway<R: Rng>(
 
 pub(super) fn get_specified_gateway(
     gateway_identity: IdentityKeyRef,
-    gateways: &[RoutingNode],
+    gateways: &[gateway::LegacyNode],
     must_use_tls: bool,
-) -> Result<RoutingNode, ClientCoreError> {
+) -> Result<gateway::LegacyNode, ClientCoreError> {
     log::debug!("Requesting specified gateway: {}", gateway_identity);
     let user_gateway = identity::PublicKey::from_base58_string(gateway_identity)
         .map_err(ClientCoreError::UnableToCreatePublicKeyFromGatewayId)?;
@@ -293,14 +291,7 @@ pub(super) fn get_specified_gateway(
         .find(|gateway| gateway.identity_key == user_gateway)
         .ok_or_else(|| ClientCoreError::NoGatewayWithId(gateway_identity.to_string()))?;
 
-    let Some(entry_details) = gateway.entry.as_ref() else {
+    if must_use_tls && gateway.clients_wss_port.is_none() {
-        return Err(ClientCoreError::UnsupportedEntry {
-            id: gateway.node_id,
-            identity: gateway.identity().to_string(),
-        });
-    };
-
-    if must_use_tls && entry_details.clients_wss_port.is_none() {
         return Err(ClientCoreError::UnsupportedWssProtocol {
             gateway: gateway_identity.to_string(),
         });