[DOCs/operators]: Release notes for v2025.19 kase (#6157 )

* add release and operators notes * bump up version * fix location in csv to USA * bump up stats * typo fix
change migration and bump version
2025-10-31 09:02:13 +00:00 · 2025-10-31 09:02:13 +00:00 · 2025-10-31 09:02:13 +00:00 · 2025-10-31 09:02:13 +00:00 · 2025-10-31 09:02:13 +00:00 · 2025-10-31 09:02:13 +00:00
1797 changed files with 88055 additions and 135182 deletions
@@ -21,7 +21,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        platform: [ arc-ubuntu-22.04 ]
+        platform: [ arc-linux-latest ]

    runs-on: ${{ matrix.platform }}
    env:
@@ -38,15 +38,14 @@ jobs:
          rm -rf ci-builds || true
          mkdir -p $OUTPUT_DIR
          echo $OUTPUT_DIR
-
      - name: Install Dependencies (Linux)
        run: sudo apt-get update && sudo apt-get -y install libudev-dev

      - name: Sets env vars for tokio if set in manual dispatch inputs
-        run: |
-          echo 'RUSTFLAGS="--cfg tokio_unstable"' >> $GITHUB_ENV
        if: github.event_name == 'workflow_dispatch' && inputs.add_tokio_unstable == true
-
+        run: |
+          echo "RUSTFLAGS=--cfg tokio_unstable" >> $GITHUB_ENV
+          echo "CARGO_FEATURES=--features tokio-console" >> $GITHUB_ENV
      - name: Install Rust stable
        uses: actions-rs/toolchain@v1
        with:
@@ -103,7 +102,6 @@ jobs:
          if [ ${{ github.event_name == 'workflow_dispatch' && inputs.enable_deb == true }} = true ]; then
            cp target/debian/*.deb $OUTPUT_DIR
          fi
-
      - name: Deploy branch to CI www
        continue-on-error: true
        uses: easingthemes/ssh-deploy@main
@@ -9,7 +9,7 @@ on:

 jobs:
  wasm:
-    runs-on: arc-ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      CARGO_TERM_COLOR: always
      RUSTUP_PERMIT_COPY_RENAME: 1
@@ -38,7 +38,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        os: [ arc-ubuntu-22.04, custom-windows-11, custom-macos-15 ]
+        os: [ arc-linux-latest, custom-windows-11, custom-macos-15 ]
    runs-on: ${{ matrix.os }}
    env:
      CARGO_TERM_COLOR: always
@@ -46,9 +46,9 @@ jobs:
      RUSTUP_PERMIT_COPY_RENAME: 1
    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
+        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 cmake
        continue-on-error: true
-        if: contains(matrix.os, 'ubuntu')
+        if: contains(matrix.os, 'linux')

      - name: Check out repository code
        uses: actions/checkout@v4
@@ -63,7 +63,7 @@ jobs:

      # 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')
+        if: contains(matrix.os, 'linux') || contains(matrix.os, 'mac')
        run: |
          sed -i.bak 's/\[profile.dev\]/\[profile.dev\]\ndebug = false/' Cargo.toml
          git diff
@@ -81,26 +81,35 @@ jobs:
          command: fmt
          args: --all -- --check

-      - name: Clippy
+      - name: Clippy (macos)
+        if: contains(matrix.os, 'mac')
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: --workspace --all-targets --exclude nym-gateway-probe -- -D warnings
+
+      - name: Clippy (non-macos)
+        if: contains(matrix.os, 'linux') || contains(matrix.os, 'windows')
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: --workspace --all-targets -- -D warnings

+
      - name: Build all binaries
        uses: actions-rs/cargo@v1
        with:
          command: build

      - name: Build all examples
-        if: contains(matrix.os, 'ubuntu')
+        if: contains(matrix.os, 'linux')
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --workspace --examples

      - name: Run all tests
-        if: contains(matrix.os, 'ubuntu')
+        if: contains(matrix.os, 'linux')
        uses: actions-rs/cargo@v1
        env:
          NYM_API: https://sandbox-nym-api1.nymtech.net/api
@@ -109,7 +118,7 @@ jobs:
          args: --workspace

      - name: Run expensive tests
-        if: (github.ref == 'refs/heads/develop' || github.event.pull_request.base.ref == 'develop' || github.event.pull_request.base.ref == 'master') && contains(matrix.os, 'ubuntu')
+        if: (github.ref == 'refs/heads/develop' || github.event.pull_request.base.ref == 'develop' || github.event.pull_request.base.ref == 'master') && contains(matrix.os, 'linux')
        uses: actions-rs/cargo@v1
        with:
          command: test
@@ -10,13 +10,13 @@ env:

 jobs:
  check-if-tag-exists:
-    runs-on: arc-ubuntu-22.04-dind
+    runs-on: arc-linux-latest-dind
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -44,8 +44,10 @@ jobs:
            echo "Tag is empty"
            exit 1
          fi
+          # first, list all tags for logging purposes
          curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq
-          exists=$(curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq --arg tag $TAG '.tags | contains([$tag])' )
+          # check if there's a matching tag
+          exists=$(curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq -r --arg tag "$TAG" 'any(.tags[]; . == $tag)' )
          if [[ $exists = "true" ]]; then
            echo "Version '$TAG' defined in Cargo.toml ALREADY EXISTS as tag in harbor repo"
            exit 1
@@ -53,5 +55,5 @@ jobs:
            echo "Version '$TAG' doesn't exist on the remote"
          else
            echo "Unknown output '$exists'"
-            exit 1
+            exit 2
          fi
@@ -16,7 +16,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -44,8 +44,10 @@ jobs:
            echo "Tag is empty"
            exit 1
          fi
+          # first, list all tags for logging purposes
          curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq
-          exists=$(curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq --arg tag $TAG '.tags | contains([$tag])' )
+          # check if there's a matching tag
+          exists=$(curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq -r --arg tag "$TAG" 'any(.tags[]; . == $tag)' )
          if [[ $exists = "true" ]]; then
            echo "Version '$TAG' defined in Cargo.toml ALREADY EXISTS as tag in harbor repo"
            exit 1
@@ -53,5 +55,5 @@ jobs:
            echo "Version '$TAG' doesn't exist on the remote"
          else
            echo "Unknown output '$exists'"
-            exit 1
+            exit 2
          fi
@@ -11,7 +11,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        platform: [ arc-ubuntu-22.04 ]
+        platform: [ arc-linux-latest-dind ]

    runs-on: ${{ matrix.platform }}
    env:
@@ -28,35 +28,22 @@ jobs:
          mkdir -p $OUTPUT_DIR
          echo $OUTPUT_DIR

-      - name: Install Rust stable
-        uses: actions-rs/toolchain@v1
-        with:
-          target: wasm32-unknown-unknown
-          override: true
+      - name: Build contracts
+        run: make optimize-contracts

-      - name: Install wasm-opt
-        uses: ./.github/actions/install-wasm-opt
-        with:
-          version: '114'
-
-      - name: Install cosmwasm-check
-        run: cargo install cosmwasm-check
-
-      - name: Build release contracts
-        run: make contracts
+      - name: Check optimized contracts
+        run: make docker-check-contracts

      - name: Prepare build output
        shell: bash
        env:
          OUTPUT_DIR: ci-contract-builds/${{ github.ref_name }}
        run: |
-          cp contracts/target/wasm32-unknown-unknown/release/mixnet_contract.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/vesting_contract.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/nym_coconut_dkg.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/cw3_flex_multisig.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/cw4_group.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/nym_ecash.wasm $OUTPUT_DIR
-          cp contracts/target/wasm32-unknown-unknown/release/nym_pool_contract.wasm $OUTPUT_DIR
+          find contracts/artifacts -maxdepth 1 -type f -name '*.wasm' -exec cp {} $OUTPUT_DIR \;
+          # Also include the optimizer-generated checksums if present
+          if [ -f contracts/artifacts/checksums.txt ]; then
+            cp contracts/artifacts/checksums.txt $OUTPUT_DIR
+          fi

      - name: Deploy branch to CI www
        continue-on-error: true
@@ -17,7 +17,7 @@ jobs:
  build:
    # since it's going to be compiled into wasm, there's absolutely
    # no point in running CI on different OS-es
-    runs-on: ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      CARGO_TERM_COLOR: always
      RUSTUP_PERMIT_COPY_RENAME: 1
@@ -54,7 +54,7 @@ jobs:
        uses: actions-rs/cargo@v1
        with:
          command: test
-          args: --lib --manifest-path contracts/Cargo.toml
+          args: --lib --manifest-path contracts/Cargo.toml --all-features

      - name: Check formatting
        uses: actions-rs/cargo@v1
@@ -10,7 +10,7 @@ on:

 jobs:
  build:
-    runs-on: arc-ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      RUSTUP_PERMIT_COPY_RENAME: 1
    defaults:
@@ -11,7 +11,7 @@ on:

 jobs:
  build:
-    runs-on: arc-ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      CARGO_TERM_COLOR: always
      RUSTUP_PERMIT_COPY_RENAME: 1
@@ -4,14 +4,14 @@ on:
  workflow_dispatch:
  pull_request:
    paths:
-      - 'wasm/**'
-      - 'clients/client-core/**'
-      - 'common/**'
-      - '.github/workflows/ci-sdk-wasm.yml'
+      - "wasm/**"
+      - "clients/client-core/**"
+      - "common/**"
+      - ".github/workflows/ci-sdk-wasm.yml"

 jobs:
  wasm:
-    runs-on: arc-ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      CARGO_TERM_COLOR: always
      RUSTUP_PERMIT_COPY_RENAME: 1
@@ -33,7 +33,7 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
-          go-version: "1.23.7"
+          go-version: "1.24.6"

      - name: Install wasm-pack
        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
@@ -41,7 +41,7 @@ jobs:
      - name: Install wasm-opt
        uses: ./.github/actions/install-wasm-opt
        with:
-          version: '116'
+          version: "116"

      - name: Install wasm-bindgen-cli
        run: cargo install wasm-bindgen-cli
@@ -0,0 +1,19 @@
+name: Run SonarQube Scan
+on:
+  push:
+    branches:
+      - develop
+#  pull_request:
+#    types: [opened, synchronize, reopened]
+jobs:
+  sonarqube:
+    name: SonarQube
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+      - name: SonarQube Scan
+        uses: SonarSource/sonarqube-scan-action@v5
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
@@ -6,7 +6,7 @@ jobs:
  greeting:
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/first-interaction@v1
+    - uses: actions/first-interaction@v3
      with:
        repo-token: ${{ secrets.GITHUB_TOKEN }}
        issue-message: 'Thank you for raising this issue'
@@ -31,7 +31,7 @@ jobs:
      - name: Check out repository code
        uses: actions/checkout@v4
      - name: Download report from previous job
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
        with:
          name: report
          path: .github/workflows/support-files/notifications
@@ -19,7 +19,11 @@ jobs:
    if: ${{ (startsWith(github.ref, 'refs/tags/nym-binaries-') && github.event_name == 'release') || github.event_name == 'workflow_dispatch' }}
    strategy:
      fail-fast: false
-    runs-on: arc-ubuntu-22.04
+      matrix:
+        include:
+          - os: arc-linux-latest
+            target: x86_64-unknown-linux-gnu
+    runs-on:  ${{ matrix.os }}

    outputs:
      release_id: ${{ steps.create-release.outputs.id }}
@@ -52,7 +56,7 @@ jobs:
      - name: Install Rust stable
        uses: actions-rs/toolchain@v1
        with:
-          toolchain: 1.86.0
+          toolchain: 1.88.0
          override: true

      - name: Build all binaries
@@ -25,7 +25,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Install Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
        with:
          distribution: "temurin"
          java-version: "17"
@@ -91,7 +91,7 @@ jobs:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Download binary artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
        with:
          name: nyms5-apk-arch64
          path: apk
@@ -8,7 +8,7 @@ env:

 jobs:
  build-container:
-    runs-on: arc-ubuntu-22.04-dind
+    runs-on: arc-linux-latest-dind
    steps:
      - name: Login to Harbor
        uses: docker/login-action@v3
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-credential-proxy/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-network-monitor/Cargo.toml
@@ -5,15 +5,22 @@ on:
    inputs:
      gateway_probe_git_ref:
        type: string
+        default: nym-vpn-core-v1.4.0
+        required: true
        description: Which gateway probe git ref to build the image with
-
+      release_image:
+        description: 'Tag image as a release'
+        required: true
+        default: false
+        type: boolean
+        
 env:
  WORKING_DIRECTORY: "nym-node-status-api/nym-node-status-agent"
  CONTAINER_NAME: "node-status-agent"

 jobs:
  build-container:
-    runs-on: arc-ubuntu-22.04-dind
+    runs-on: arc-linux-latest-dind
    steps:
      - name: Login to Harbor
        uses: docker/login-action@v3
@@ -31,10 +38,10 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
        id: get_version
-        with:
-          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
+        run: |
+          VERSION=$(yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml)
+          echo "result=$VERSION" >> $GITHUB_OUTPUT

      - name: cleanup-gateway-probe-ref
        id: cleanup_gateway_probe_ref
@@ -43,19 +50,35 @@ jobs:
          GIT_REF_SLUG="${GATEWAY_PROBE_GIT_REF//\//-}"
          echo "git_ref=${GIT_REF_SLUG}" >> $GITHUB_OUTPUT

-      - name: Remove existing tag if exists
-        run: |
-          if git rev-parse ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }} >/dev/null 2>&1; then
-            git push --delete origin ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}
-            git tag -d ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}
-          fi
+      - name: Set GIT_TAG variable
+        run: echo "GIT_TAG=${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}" >> $GITHUB_ENV

-      - name: Create tag
-        run: |
-          git tag -a ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }} -m "Version ${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}"
-          git push origin ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}
+      - name: Initialize RELEASE_TAG
+        run: echo "RELEASE_TAG=" >> $GITHUB_ENV
+      
+      - name: Set RELEASE_TAG for release
+        if: github.event.inputs.release_image == 'true'
+        run: echo "RELEASE_TAG=golden-" >> $GITHUB_ENV
+      
+      - name: Set IMAGE_NAME_AND_TAGS variable
+        run: echo "IMAGE_NAME_AND_TAGS=${{ env.CONTAINER_NAME }}:${{ env.RELEASE_TAG }}${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}" >> $GITHUB_ENV
+        
+      - name: New env vars
+        run: echo "RELEASE_TAG='$RELEASE_TAG' GIT_TAG='$GIT_TAG' IMAGE_NAME_AND_TAGS='$IMAGE_NAME_AND_TAGS'"        
+
+      # - name: Remove existing tag if exists
+      #   run: |
+      #     if git rev-parse $${{ env.GIT_TAG }} >/dev/null 2>&1; then
+      #       git push --delete origin $${{ env.GIT_TAG }}
+      #       git tag -d $${{ env.GIT_TAG }}
+      #     fi
+
+      # - name: Create tag
+      #   run: |
+      #     git tag -a $${{ env.GIT_TAG }} -m "Version ${{ steps.get_version.outputs.result }}-${{ steps.cleanup_gateway_probe_ref.outputs.git_ref }}"
+      #     git push origin $${{ env.GIT_TAG }}

      - 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 build --build-arg GIT_REF=${{ github.event.inputs.gateway_probe_git_ref }} -f ${{ env.WORKING_DIRECTORY }}/Dockerfile . -t harbor.nymte.ch/nym/${{ env.IMAGE_NAME_AND_TAGS }}
          docker push harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }} --all-tags
@@ -1,14 +1,20 @@
 name: Build and upload Node Status API container to harbor.nymte.ch
 on:
  workflow_dispatch:
-
+    inputs:
+      release_image:
+        description: 'Tag image as a release'
+        required: true
+        default: false
+        type: boolean
+        
 env:
  WORKING_DIRECTORY: "nym-node-status-api/nym-node-status-api"
  CONTAINER_NAME: "node-status-api"

 jobs:
  build-container:
-    runs-on: arc-ubuntu-22.04-dind
+    runs-on: arc-linux-latest-dind
    steps:
      - name: Login to Harbor
        uses: docker/login-action@v3
@@ -26,30 +32,43 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
        id: get_version
-        with:
-          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
-
-      - name: Check if tag exists
        run: |
-          if git rev-parse ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }} >/dev/null 2>&1; then
-            echo "Tag ${{ steps.get_version.outputs.result }} already exists"
-          fi
+          VERSION=$(yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml)
+          echo "result=$VERSION" >> $GITHUB_OUTPUT

-      - 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: Set GIT_TAG variable
+        run: echo "GIT_TAG=${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}" >> $GITHUB_ENV

-      - 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: Initialise RELEASE_TAG
+        run: echo "RELEASE_TAG=" >> $GITHUB_ENV
+      
+      - name: Set RELEASE_TAG for release
+        if: github.event.inputs.release_image == 'true'
+        run: echo "RELEASE_TAG=golden-" >> $GITHUB_ENV
+      
+      - name: Set IMAGE_NAME_AND_TAGS variable
+        run: echo "IMAGE_NAME_AND_TAGS=${{ env.CONTAINER_NAME }}:${{ env.RELEASE_TAG }}${{ steps.get_version.outputs.result }}" >> $GITHUB_ENV
+        
+      - name: New env vars
+        run: echo "RELEASE_TAG='$RELEASE_TAG' GIT_TAG='$GIT_TAG' IMAGE_NAME_AND_TAGS='$IMAGE_NAME_AND_TAGS'"        
+
+      # - name: Remove existing tag if exists, then create
+      #   run: |
+      #     if git rev-parse "$GIT_TAG" >/dev/null 2>&1; then
+      #       echo "Tag '$GIT_TAG' already exists, deleting"
+      #       git push --delete origin "$GIT_TAG"
+      #       git tag -d "$GIT_TAG"
+      #       echo "Tag '$GIT_TAG' deleted"
+      #     else
+      #       echo "Tag '$GIT_TAG' does not exist, creating it"
+      #       git tag -a $GIT_TAG -m "Version ${{ steps.get_version.outputs.result }}"
+      #       git push origin $GIT_TAG
+      #       echo "Tag '$GIT_TAG' created"
+      #     fi

      - 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 build -f ${{ env.WORKING_DIRECTORY }}/Dockerfile . -t harbor.nymte.ch/nym/${{ env.IMAGE_NAME_AND_TAGS }} -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:latest
          docker push harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }} --all-tags
+
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-api/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -8,7 +8,7 @@ env:

 jobs:
  build-container:
-    runs-on: arc-ubuntu-22.04-dind
+    runs-on: arc-linux-latest-dind
    steps:
      - name: Login to Harbor
        uses: docker/login-action@v3
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -35,6 +35,8 @@ validator-api/keypair
 contracts/mixnet/code_id
 contracts/mixnet/Justfile
 contracts/mixnet/Makefile
+artifacts
+contracts/artifacts
 validator-config
 *.patch
 validator-api-config.toml
@@ -4,6 +4,322 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://

 ## [Unreleased]

+## [2025.18-jarlsberg] (2025-10-14)
+
+- ns-api: add descriptions to dVPN gateway responses ([#6102])
+- NS API: use new probe download filesize and milliseconds field ([#6097])
+- ns-api: use download files size from probes instead of parsing filenames ([#6095])
+- ns-api: add new fields for probe output for query_metadata and download file size and duration in ms ([#6091])
+- Bugfix/bloomfilters purge ([#6089])
+- Hotfix: Update API source in node ping tester script ([#6082])
+- Get wireguard keypair as arg instead of reading it from disk ([#6078])
+- Feature: Ping probe all nodes /described nodes from a server ([#6074])
+- Node Status API: add bridge information to dVPN endpoint ([#6069])
+- frontdoor typo fix ([#6067])
+- Feature: Node rewards tracker ([#6064])
+- [chore] Clippy fix ([#6060])
+- Registration Client ([#6059])
+- Bugfix: Nym node CLI download nym-node exception ([#6058])
+- Feature: Nym node html landing page ([#6053])
+- feat: DKG contract method for updating announce address ([#6050])
+- feat: NS ticket faucet ([#6047])
+- Bridge proto client params in Self-Described ([#6035])
+- Node Status API: remove sqlite support ([#6004])
+- Benny/ci contract fix ([#5962])
+
+[#6102]: https://github.com/nymtech/nym/pull/6102
+[#6097]: https://github.com/nymtech/nym/pull/6097
+[#6095]: https://github.com/nymtech/nym/pull/6095
+[#6091]: https://github.com/nymtech/nym/pull/6091
+[#6089]: https://github.com/nymtech/nym/pull/6089
+[#6082]: https://github.com/nymtech/nym/pull/6082
+[#6078]: https://github.com/nymtech/nym/pull/6078
+[#6074]: https://github.com/nymtech/nym/pull/6074
+[#6069]: https://github.com/nymtech/nym/pull/6069
+[#6067]: https://github.com/nymtech/nym/pull/6067
+[#6064]: https://github.com/nymtech/nym/pull/6064
+[#6060]: https://github.com/nymtech/nym/pull/6060
+[#6059]: https://github.com/nymtech/nym/pull/6059
+[#6058]: https://github.com/nymtech/nym/pull/6058
+[#6053]: https://github.com/nymtech/nym/pull/6053
+[#6050]: https://github.com/nymtech/nym/pull/6050
+[#6047]: https://github.com/nymtech/nym/pull/6047
+[#6035]: https://github.com/nymtech/nym/pull/6035
+[#6004]: https://github.com/nymtech/nym/pull/6004
+[#5962]: https://github.com/nymtech/nym/pull/5962
+
+## [2025.17-isabirra] (2025-09-29)
+
+- Bugfix | Fix the registration handshake ([#6062])
+- Convenience for ShutdownTracker ([#6038])
+- chore: made http-api-client-macro doctest compile ([#6037])
+- feat: refresh mixnet contract on epoch progression ([#6023])
+- chore: remove legacy nodes from nym api [and kinda-ish from node status api] ([#6021])
+- Feature/credential proxy crate ([#6018])
+- Moving clients crate from vpn-client repo to here ([#6015])
+- Feature/cancellation migration ([#6014])
+- Use default value for the ports until api is deployed ([#6007])
+- bugfix: return from MixTrafficController if client request channel has closed ([#6002])
+- Revert "Create an axum_test client for more integrated unit testing (… ([#5999])
+- chore: upgraded syn to 2.0 and removed nym-execute ([#5998])
+- feat: use `ShutdownToken` (`CancellationToken` inside) for nym-api ([#5997])
+- bugfix: Recipient deserialisation for deserialisers missing bytes specialisation ([#5991])
+- chore: use updated version of simulate endpoint ([#5988])
+- chore: purge temp databases on build ([#5984])
+- Bump sha.js from 2.4.11 to 2.4.12 ([#5983])
+- Feature: Delegation program stake checker and adjuster ([#5980])
+- build(deps): bump actions/setup-java from 4 to 5 ([#5975])
+- Domain fronting integration ([#5974])
+- chore: internal hidden command to force advance nyx epoch ([#5964])
+- Create an axum_test client for more integrated unit testing ([#5956])
+- feat: shared library for attempting to retrieve update mode attestation ([#5954])
+- Bump slab from 0.4.10 to 0.4.11 ([#5952])
+- build(deps): bump actions/first-interaction from 1 to 3 ([#5950])
+- fix: use WASM compatible time API in client ([#5948])
+- feat: credential proxy deposit pool ([#5945])
+- build(deps): bump actions/download-artifact from 4 to 5 ([#5939])
+- feat: nym signers monitor ([#5933])
+- Bump console from 0.15.11 to 0.16.0 ([#5931])
+- Bump mock_instant from 0.5.3 to 0.6.0 ([#5930])
+- Bump tokio from 1.46.1 to 1.47.1 ([#5929])
+- Bump defguard_wireguard_rs from v0.4.7 to v0.7.5 ([#5928])
+- Bump indicatif from 0.17.11 to 0.18.0 ([#5924])
+- Feature: Nym node autorun CLI ([#5916])
+- build(deps): bump mikefarah/yq from 4.45.4 to 4.47.1 ([#5911])
+- build(deps): bump pbkdf2 from 3.1.2 to 3.1.3 ([#5869])
+
+[#6062]: https://github.com/nymtech/nym/pull/6062
+[#6038]: https://github.com/nymtech/nym/pull/6038
+[#6037]: https://github.com/nymtech/nym/pull/6037
+[#6023]: https://github.com/nymtech/nym/pull/6023
+[#6021]: https://github.com/nymtech/nym/pull/6021
+[#6018]: https://github.com/nymtech/nym/pull/6018
+[#6015]: https://github.com/nymtech/nym/pull/6015
+[#6014]: https://github.com/nymtech/nym/pull/6014
+[#6007]: https://github.com/nymtech/nym/pull/6007
+[#6002]: https://github.com/nymtech/nym/pull/6002
+[#5999]: https://github.com/nymtech/nym/pull/5999
+[#5998]: https://github.com/nymtech/nym/pull/5998
+[#5997]: https://github.com/nymtech/nym/pull/5997
+[#5991]: https://github.com/nymtech/nym/pull/5991
+[#5988]: https://github.com/nymtech/nym/pull/5988
+[#5984]: https://github.com/nymtech/nym/pull/5984
+[#5983]: https://github.com/nymtech/nym/pull/5983
+[#5980]: https://github.com/nymtech/nym/pull/5980
+[#5975]: https://github.com/nymtech/nym/pull/5975
+[#5974]: https://github.com/nymtech/nym/pull/5974
+[#5964]: https://github.com/nymtech/nym/pull/5964
+[#5956]: https://github.com/nymtech/nym/pull/5956
+[#5954]: https://github.com/nymtech/nym/pull/5954
+[#5952]: https://github.com/nymtech/nym/pull/5952
+[#5950]: https://github.com/nymtech/nym/pull/5950
+[#5948]: https://github.com/nymtech/nym/pull/5948
+[#5945]: https://github.com/nymtech/nym/pull/5945
+[#5939]: https://github.com/nymtech/nym/pull/5939
+[#5933]: https://github.com/nymtech/nym/pull/5933
+[#5931]: https://github.com/nymtech/nym/pull/5931
+[#5930]: https://github.com/nymtech/nym/pull/5930
+[#5929]: https://github.com/nymtech/nym/pull/5929
+[#5928]: https://github.com/nymtech/nym/pull/5928
+[#5924]: https://github.com/nymtech/nym/pull/5924
+[#5916]: https://github.com/nymtech/nym/pull/5916
+[#5911]: https://github.com/nymtech/nym/pull/5911
+[#5869]: https://github.com/nymtech/nym/pull/5869
+
+## [2025.16-halloumi] (2025-09-16)
+
+- Backport metadata endpoint ([#6010])
+- bugfix: make sure tables are removed in correct order to not trigger FK constraint issue ([#5987])
+- chore: move authenticator into gateway crate ([#5982])
+- Fix the ns api ci workflow ([#5981])
+- Remove freshness check on testrun submit ([#5977])
+- Update sysinfo to the latest ([#5976])
+- bugfix: manually calculate per node work on rewarded set changes ([#5972])
+- fixing the ci for ns agent ([#5965])
+- Feature/testing utils ([#5963])
+- bugfix: fix ci-build for linux (and use updated runner) ([#5958])
+- chore: updated refs to cheddar rev of nym repo ([#5955])
+- http api client adjustment ([#5953])
+- chore: fix rust 1.89 clippy issues ([#5944])
+- Wireguard metadata client library ([#5943])
+- chore: remove unused import ([#5942])
+- feat: introduce additional checks when attempting to send to bounded channels ([#5941])
+- Move credential verifier in peer controller ([#5938])
+- change PK/FK on expiration date signatures tables ([#5934])
+- Wireguard private metadata ([#5915])
+
+[#6010]: https://github.com/nymtech/nym/pull/6010
+[#5987]: https://github.com/nymtech/nym/pull/5987
+[#5982]: https://github.com/nymtech/nym/pull/5982
+[#5981]: https://github.com/nymtech/nym/pull/5981
+[#5977]: https://github.com/nymtech/nym/pull/5977
+[#5976]: https://github.com/nymtech/nym/pull/5976
+[#5972]: https://github.com/nymtech/nym/pull/5972
+[#5965]: https://github.com/nymtech/nym/pull/5965
+[#5963]: https://github.com/nymtech/nym/pull/5963
+[#5958]: https://github.com/nymtech/nym/pull/5958
+[#5955]: https://github.com/nymtech/nym/pull/5955
+[#5953]: https://github.com/nymtech/nym/pull/5953
+[#5944]: https://github.com/nymtech/nym/pull/5944
+[#5943]: https://github.com/nymtech/nym/pull/5943
+[#5942]: https://github.com/nymtech/nym/pull/5942
+[#5941]: https://github.com/nymtech/nym/pull/5941
+[#5938]: https://github.com/nymtech/nym/pull/5938
+[#5934]: https://github.com/nymtech/nym/pull/5934
+[#5915]: https://github.com/nymtech/nym/pull/5915
+
+## [2025.15-gruyere] (2025-08-20)
+
+- Migrate strum to 0.27.2 ([#5960])
+- WG exit policy scripts update ([#5921])
+- Make DNS Resolver fallback optional ([#5920])
+- nym-node debug command to reset providers db ([#5914])
+- basic zulip client for sending messages ([#5913])
+- chore: allow compatibility with 'CDLA-Permissive-2.0' ([#5910])
+- feat: ecash liveness check ([#5890])
+- Remove old free credential handle ([#5864])
+
+[#5960]: https://github.com/nymtech/nym/pull/5960
+[#5921]: https://github.com/nymtech/nym/pull/5921
+[#5920]: https://github.com/nymtech/nym/pull/5920
+[#5914]: https://github.com/nymtech/nym/pull/5914
+[#5913]: https://github.com/nymtech/nym/pull/5913
+[#5910]: https://github.com/nymtech/nym/pull/5910
+[#5890]: https://github.com/nymtech/nym/pull/5890
+[#5864]: https://github.com/nymtech/nym/pull/5864
+
+## [2025.14-feta] (2025-08-05)
+
+- chore: nym node tokio console ([#5909])
+- Feature/dkg snapshot epoch ([#5900])
+- Feature/dkg epoch dealers query ([#5899])
+- sqlx-pool-guard: allocate more memory on windows ([#5896])
+- Support mnemonic in the NS agent ([#5883])
+- Allow PG database backend ([#5880])
+
+[#5909]: https://github.com/nymtech/nym/pull/5909
+[#5900]: https://github.com/nymtech/nym/pull/5900
+[#5899]: https://github.com/nymtech/nym/pull/5899
+[#5896]: https://github.com/nymtech/nym/pull/5896
+[#5883]: https://github.com/nymtech/nym/pull/5883
+[#5880]: https://github.com/nymtech/nym/pull/5880
+
+## [2025.13-emmental] (2025-07-22)
+
+- fix: don't allow mixnode running in exit mode ([#5898])
+- fix contract build process in Makefile ([#5892])
+- bugfix: ignore 'Send' responses when claiming bandwidth ([#5884])
+- Update push-node-status-agent.yaml ([#5882])
+- listen for shutdown signals during nym-node startup ([#5879])
+- feat: forbid running mixnode + entry on the same node ([#5878])
+- chore: 1.88 clippy ([#5877])
+- Batch SQL writes for packet stats ([#5874])
+- fix the broken link ([#5873])
+- Set busy_timeout in sqlx ([#5872])
+- feat: basic performance contract integration [within Nym API] ([#5871])
+- scraper bugfix: ignore precommits from missing validators ([#5867])
+- Return true remaining ([#5866])
+- Make Mix hops optional for Mixnet Client SURBs ([#5861])
+- Check gateway supported versions ([#5860])
+- Add build info endpoints ([#5857])
+- Clear out screaming logs ([#5856])
+- fix removal of qa env ([#5855])
+- Use display when printing paths ([#5853])
+- feat: initial performance contract ([#5833])
+- Security patches for the `dkg` crate ([#5828])
+- HTTP Discovery objects & network defaults ([#5814])
+
+[#5898]: https://github.com/nymtech/nym/pull/5898
+[#5892]: https://github.com/nymtech/nym/pull/5892
+[#5884]: https://github.com/nymtech/nym/pull/5884
+[#5882]: https://github.com/nymtech/nym/pull/5882
+[#5879]: https://github.com/nymtech/nym/pull/5879
+[#5878]: https://github.com/nymtech/nym/pull/5878
+[#5877]: https://github.com/nymtech/nym/pull/5877
+[#5874]: https://github.com/nymtech/nym/pull/5874
+[#5873]: https://github.com/nymtech/nym/pull/5873
+[#5872]: https://github.com/nymtech/nym/pull/5872
+[#5871]: https://github.com/nymtech/nym/pull/5871
+[#5867]: https://github.com/nymtech/nym/pull/5867
+[#5866]: https://github.com/nymtech/nym/pull/5866
+[#5861]: https://github.com/nymtech/nym/pull/5861
+[#5860]: https://github.com/nymtech/nym/pull/5860
+[#5857]: https://github.com/nymtech/nym/pull/5857
+[#5856]: https://github.com/nymtech/nym/pull/5856
+[#5855]: https://github.com/nymtech/nym/pull/5855
+[#5853]: https://github.com/nymtech/nym/pull/5853
+[#5833]: https://github.com/nymtech/nym/pull/5833
+[#5828]: https://github.com/nymtech/nym/pull/5828
+[#5814]: https://github.com/nymtech/nym/pull/5814
+
+## [2025.12-dolcelatte] (2025-07-07)
+
+- bugfix: key-rotation + reply SURBs ([#5876])
+- Bugfix/backwards compat ([#5865])
+- bugfix: allow gateways to permit authentication from v4 clients ([#5862])
+- fixed client route for obtaining v2 list of gateways ([#5859])
+- Updated browser extension piece removal ([#5849])
+- Remove/old env references ([#5848])
+- Remove qa env ([#5847])
+- remove not used old mock-api ([#5845])
+- remove bity dir ([#5844])
+- build(deps-dev): bump webpack-dev-server from 4.13.2 to 5.2.1 in /wasm/mix-fetch/internal-dev ([#5843])
+- Amended the buy section ([#5841])
+- Removing test-net faucet ([#5840])
+- Feature/node status dvpn directory ([#5829])
+- build(deps-dev): bump webpack-dev-server from 4.15.2 to 5.2.1 in /nym-credential-proxy/vpn-api-lib-wasm/internal-dev ([#5826])
+- bugfix: fix swapped total and circulating supplies ([#5822])
+- build(deps): bump tar-fs from 3.0.8 to 3.0.9 in /sdk/typescript/tests/integration-tests/mix-fetch ([#5821])
+- Url scheme warning log ([#5819])
+- chore: adjust heuristic for wireguard peer activity ([#5818])
+- Use the same client bandwidth for top up ([#5813])
+- Replace chrono with time in NS API ([#5811])
+- build(deps-dev): bump http-proxy-middleware from 2.0.4 to 2.0.9 in /clients/native/examples/js-examples/websocket ([#5810])
+- build(deps): bump tokio from 1.44.2 to 1.45.1 ([#5798])
+- Close sqlite pool before moving or reopening databases ([#5796])
+- HTTP Client Retries, Fallbacks, and Redirects ([#5789])
+- feat: key rotation ([#5777])
+- build(deps): bump next from 14.2.15 to 14.2.26 in /documentation/docs ([#5772])
+- build(deps): bump undici from 5.28.5 to 5.29.0 in /.github/actions/nym-hash-releases/src ([#5771])
+- build(deps): bump cargo_metadata from 0.18.1 to 0.19.2 ([#5765])
+- build(deps): bump tempfile from 3.19.1 to 3.20.0 ([#5764])
+- [Feature] Noise XKpsk3 integration (2025 version) ([#5692])
+- feature: nympool contract ([#5464])
+- chore: fixed typo in API endpoint parameter ([#5449])
+
+[#5876]: https://github.com/nymtech/nym/pull/5876
+[#5865]: https://github.com/nymtech/nym/pull/5865
+[#5862]: https://github.com/nymtech/nym/pull/5862
+[#5859]: https://github.com/nymtech/nym/pull/5859
+[#5849]: https://github.com/nymtech/nym/pull/5849
+[#5848]: https://github.com/nymtech/nym/pull/5848
+[#5847]: https://github.com/nymtech/nym/pull/5847
+[#5845]: https://github.com/nymtech/nym/pull/5845
+[#5844]: https://github.com/nymtech/nym/pull/5844
+[#5843]: https://github.com/nymtech/nym/pull/5843
+[#5841]: https://github.com/nymtech/nym/pull/5841
+[#5840]: https://github.com/nymtech/nym/pull/5840
+[#5829]: https://github.com/nymtech/nym/pull/5829
+[#5826]: https://github.com/nymtech/nym/pull/5826
+[#5822]: https://github.com/nymtech/nym/pull/5822
+[#5821]: https://github.com/nymtech/nym/pull/5821
+[#5819]: https://github.com/nymtech/nym/pull/5819
+[#5818]: https://github.com/nymtech/nym/pull/5818
+[#5813]: https://github.com/nymtech/nym/pull/5813
+[#5811]: https://github.com/nymtech/nym/pull/5811
+[#5810]: https://github.com/nymtech/nym/pull/5810
+[#5798]: https://github.com/nymtech/nym/pull/5798
+[#5796]: https://github.com/nymtech/nym/pull/5796
+[#5789]: https://github.com/nymtech/nym/pull/5789
+[#5777]: https://github.com/nymtech/nym/pull/5777
+[#5772]: https://github.com/nymtech/nym/pull/5772
+[#5771]: https://github.com/nymtech/nym/pull/5771
+[#5765]: https://github.com/nymtech/nym/pull/5765
+[#5764]: https://github.com/nymtech/nym/pull/5764
+[#5692]: https://github.com/nymtech/nym/pull/5692
+[#5464]: https://github.com/nymtech/nym/pull/5464
+[#5449]: https://github.com/nymtech/nym/pull/5449
+
 ## [2025.11-cheddar] (2025-06-10)

 - No autoremoval of peers ([#5831])
@@ -0,0 +1,686 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project Overview
+
+Nym is a privacy platform that uses mixnet technology to protect against metadata surveillance. The platform consists of several key components:
+- Mixnet nodes (mixnodes) for packet mixing
+- Gateways (entry/exit points for the network)
+- Clients for interacting with the network
+- Network monitoring tools
+- Validators for network consensus
+- Various service providers and integrations
+
+## Build Commands
+
+### Rust Components
+
+```bash
+# Default build (debug)
+cargo build
+
+# Release build
+cargo build --release
+
+# Build a specific package
+cargo build -p <package-name>
+
+# Build main components
+make build
+
+# Build release versions of main binaries and contracts
+make build-release
+
+# Build specific binaries
+make build-nym-cli
+cargo build -p nym-node --release
+cargo build -p nym-api --release
+```
+
+### Testing
+
+```bash
+# Run clippy, unit tests, and formatting
+make test
+
+# Run all tests including slow tests
+make test-all
+
+# Run clippy on all workspaces
+make clippy
+
+# Run unit tests for a specific package
+cargo test -p <package-name>
+
+# Run only expensive/ignored tests
+cargo test --workspace -- --ignored
+
+# Run API tests
+dotenv -f envs/sandbox.env -- cargo test --test public-api-tests
+
+# Run tests with specific log level
+RUST_LOG=debug cargo test -p <package-name>
+
+# Run specific test scripts
+./nym-node/tests/test_apis.sh
+./scripts/wireguard-exit-policy/exit-policy-tests.sh
+```
+
+### Linting and Formatting
+
+```bash
+# Run rustfmt on all code
+make fmt
+
+# Check formatting without modifying
+cargo fmt --all -- --check
+
+# Run clippy with all targets
+cargo clippy --workspace --all-targets -- -D warnings
+
+# TypeScript linting
+yarn lint
+yarn lint:fix
+yarn types:lint:fix
+
+# Check dependencies for security/licensing issues
+cargo deny check
+```
+
+### WASM Components
+
+```bash
+# Build all WASM components
+make sdk-wasm-build
+
+# Build TypeScript SDK
+yarn build:sdk
+npx lerna run --scope @nymproject/sdk build --stream
+
+# Build and test WASM components
+make sdk-wasm
+
+# Build specific WASM packages
+cd wasm/client && make
+cd wasm/mix-fetch && make
+cd wasm/node-tester && make
+```
+
+### Contract Development
+
+```bash
+# Build all contracts
+make contracts
+
+# Build contracts in release mode
+make build-release-contracts
+
+# Generate contract schemas
+make contract-schema
+
+# Run wasm-opt on contracts
+make wasm-opt-contracts
+
+# Check contracts with cosmwasm-check
+make cosmwasm-check-contracts
+```
+
+### Running Components
+
+```bash
+# Run nym-node as a mixnode
+cargo run -p nym-node -- run --mode mixnode
+
+# Run nym-node as a gateway
+cargo run -p nym-node -- run --mode gateway
+
+# Run the network monitor
+cargo run -p nym-network-monitor
+
+# Run the API server
+cargo run -p nym-api
+
+# Run with specific environment
+dotenv -f envs/sandbox.env -- cargo run -p nym-api
+
+# Start a local network
+./scripts/localnet_start.sh
+```
+
+## Architecture
+
+The Nym platform consists of various components organized as a monorepo:
+
+1. **Core Mixnet Infrastructure**:
+   - `nym-node`: Core binary supporting mixnode and gateway modes
+   - `common/nymsphinx`: Implementation of the Sphinx packet format
+   - `common/topology`: Network topology management
+   - `common/types`: Shared data types across components
+
+2. **Network Monitoring**:
+   - `nym-network-monitor`: Monitors the network's reliability and performance
+   - `nym-api`: API server for network stats and monitoring data
+   - Metrics tracking for nodes, routes, and overall network health
+
+3. **Client Implementations**:
+   - `clients/native`: Native Rust client implementation
+   - `clients/socks5`: SOCKS5 proxy client for standard applications
+   - `wasm`: WebAssembly client implementations (for browsers)
+   - `nym-connect`: Desktop and mobile clients
+
+4. **Blockchain & Smart Contracts**:
+   - `common/cosmwasm-smart-contracts`: Smart contract implementations
+   - `contracts`: CosmWasm contracts for the Nym network
+   - `common/ledger`: Blockchain integration
+
+5. **Utilities & Tools**:
+   - `tools`: Various CLI tools and utilities
+   - `sdk`: SDKs for different languages and platforms
+   - `documentation`: Documentation generation and management
+
+## Packet System
+
+Nym uses a modified Sphinx packet format for its mixnet:
+
+1. **Message Chunking**:
+   - Messages are divided into "sets" and "fragments"
+   - Each fragment fits in a single Sphinx packet
+   - The `common/nymsphinx/chunking` module handles message fragmentation
+
+2. **Routing**:
+   - Packets traverse through 3 layers of mixnodes
+   - Routing information is encrypted in layers (onion routing)
+   - The final gateway receives and processes the messages
+
+3. **Monitoring**:
+   - Monitoring system tracks packet delivery through the network
+   - Routes are analyzed for reliability statistics
+   - Node performance metrics are collected
+
+## Network Protocol
+
+Nym implements the Loopix mixnet design with several key privacy features:
+
+1. **Continuous-time Mixing**:
+   - Each mixnode delays messages independently with an exponential distribution
+   - This creates random reordering of packets, destroying timing correlations
+   - Offers better anonymity properties than batch mixing approaches
+
+2. **Cover Traffic**:
+   - Clients and nodes generate dummy "loop" packets that circulate through the network
+   - These packets are indistinguishable from real traffic
+   - Creates a baseline level of traffic that hides actual communication patterns
+   - Provides unobservability (hiding when and how much real traffic is being sent)
+
+3. **Stratified Network Architecture**:
+   - Traffic flows through Entry Gateway → 3 Mixnode Layers → Exit Gateway
+   - Path selection is independent per-message (unlike Tor)
+   - Each node connects only to adjacent layers
+
+4. **Anonymous Replies**:
+   - Single-Use Reply Blocks (SURBs) allow receiving messages without revealing identity
+   - Enables bidirectional communication while maintaining privacy
+
+## Network Monitoring Architecture
+
+The network monitoring system is a core component that measures mixnet reliability:
+
+1. The `nym-network-monitor` sends test packets through the network
+2. These packets follow predefined routes through multiple mixnodes
+3. Metrics are collected about:
+   - Successful and failed packet deliveries
+   - Node reliability (percentage of successful packet handling)
+   - Route reliability (which specific route combinations work best)
+4. Results are stored in the database and used by `nym-api` to:
+   - Present node performance statistics
+   - Determine network rewards
+   - Provide route selection guidance to clients
+
+In the current branch, metrics collection is being enhanced with a fanout approach to submit to multiple API endpoints.
+
+## Development Environment
+
+### Required Dependencies
+
+- Rust toolchain (stable, 1.80+)
+- Node.js (v20+) and yarn for TypeScript components
+- SQLite for local database development
+- PostgreSQL for API database (optional, for full API functionality)
+- CosmWasm tools for contract development
+- For building contracts: `wasm-opt` tool from `binaryen`
+- Python 3.8+ for some scripts
+- Docker (optional, for containerized development)
+- protoc (Protocol Buffers compiler) for some components
+
+### Environment Configurations
+
+The `envs/` directory contains pre-configured environments:
+
+#### Available Environments
+
+- **`local.env`**: Local development environment
+  - Points to local services (localhost)
+  - Uses test mnemonics and keys
+  - Ideal for testing without external dependencies
+
+- **`sandbox.env`**: Sandbox test network
+  - Public test network with real nodes
+  - Test tokens available from faucet
+  - Contract addresses for sandbox deployment
+  - API: https://sandbox-nym-api1.nymtech.net
+
+- **`mainnet.env`**: Production mainnet
+  - Real network with real tokens
+  - Production contract addresses
+  - API: https://validator.nymtech.net
+  - Use with caution!
+
+- **`canary.env`**: Canary deployment
+  - Pre-release testing environment
+  - Tests new features before mainnet
+
+- **`mainnet-local-api.env`**: Hybrid environment
+  - Uses mainnet contracts but local API
+  - Useful for API development against mainnet data
+
+#### Key Environment Variables
+
+```bash
+# Network configuration
+NETWORK_NAME=sandbox              # Network identifier
+BECH32_PREFIX=n                   # Address prefix (n for sandbox, n for mainnet)
+NYM_API=https://sandbox-nym-api1.nymtech.net/api
+NYXD=https://rpc.sandbox.nymtech.net
+NYM_API_NETWORK=sandbox
+
+# Contract addresses (network-specific)
+MIXNET_CONTRACT_ADDRESS=n1xr3rq8yvd7qplsw5yx90ftsr2zdhg4e9z60h5duusgxpv72hud3sjkxkav
+VESTING_CONTRACT_ADDRESS=n1unyuj8qnmygvzuex3dwmg9yzt9alhvyeat0uu0jedg2wj33efl5qackslz
+# ... other contract addresses
+
+# Mnemonic for testing (NEVER use in production)
+MNEMONIC="clutch captain shoe salt awake harvest setup primary inmate ugly among become"
+
+# API Keys and tokens
+IPINFO_API_TOKEN=your_token_here
+AUTHENTICATOR_PASSWORD=password_here
+
+# Logging
+RUST_LOG=info                    # Options: error, warn, info, debug, trace
+RUST_BACKTRACE=1                # Enable backtraces
+
+# Database
+DATABASE_URL=postgresql://user:pass@localhost/nym_api
+```
+
+#### Using Environment Files
+
+```bash
+# Load environment and run command
+dotenv -f envs/sandbox.env -- cargo run -p nym-api
+
+# Export to shell
+source envs/sandbox.env
+
+# Use with make targets
+dotenv -f envs/sandbox.env -- make run-api-tests
+```
+
+## Initial Setup
+
+### First Time Setup
+
+1. **Install Prerequisites**
+   ```bash
+   # Install Rust
+   curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+   
+   # Install Node.js and yarn
+   # Via nvm (recommended):
+   curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.0/install.sh | bash
+   nvm install 20
+   npm install -g yarn
+   
+   # Install build tools
+   # Ubuntu/Debian:
+   sudo apt-get install build-essential pkg-config libssl-dev protobuf-compiler libpq-dev
+   
+   # macOS:
+   brew install protobuf postgresql
+   
+   # Install wasm-opt for contract builds
+   npm install -g wasm-opt
+   
+   # Add wasm target for Rust
+   rustup target add wasm32-unknown-unknown
+   ```
+
+2. **Clone and Setup Repository**
+   ```bash
+   git clone https://github.com/nymtech/nym.git
+   cd nym/nym
+   
+   # Install JavaScript dependencies
+   yarn install
+   
+   # Build the project
+   make build
+   ```
+
+3. **Database Setup (Optional, for API development)**
+   ```bash
+   # Install PostgreSQL
+   # Create database
+   createdb nym_api
+   
+   # Run migrations (from nym-api directory)
+   cd nym-api
+   sqlx migrate run
+   ```
+
+### Quick Start
+
+```bash
+# Run a mixnode locally
+dotenv -f envs/sandbox.env -- cargo run -p nym-node -- run --mode mixnode --id my-mixnode
+
+# Run a gateway locally
+dotenv -f envs/sandbox.env -- cargo run -p nym-node -- run --mode gateway --id my-gateway
+
+# Run the API server
+dotenv -f envs/sandbox.env -- cargo run -p nym-api
+
+# Run a client
+cargo run -p nym-client -- init --id my-client
+cargo run -p nym-client -- run --id my-client
+```
+
+## CI/CD Pipeline
+
+The project uses GitHub Actions for CI/CD with several key workflows:
+
+1. **Build and Test**:
+   - `ci-build.yml`: Main build workflow for Rust components
+   - Tests are run on multiple platforms (Linux, Windows, macOS)
+   - Includes formatting check (rustfmt) and linting (clippy)
+
+2. **Release Process**:
+   - Binary artifacts are published on release tags
+   - Multiple platform builds are created
+
+3. **Documentation**:
+   - Documentation is automatically built and deployed
+
+## Database Structure
+
+The system uses SQLite databases with tables like:
+- `mixnode_status`: Status information about mixnodes
+- `gateway_status`: Status information about gateways
+- `routes`: Route performance information (success/failure of specific paths)
+- `monitor_run`: Information about monitoring test runs
+
+## Development Workflows
+
+### Running a Node
+
+To run the mixnode or gateway:
+
+```bash
+# Run nym-node as a mixnode with specified identity
+cargo run -p nym-node -- run --mode mixnode --id my-mixnode
+
+# Run nym-node as a gateway
+cargo run -p nym-node -- run --mode gateway --id my-gateway
+```
+
+### Configuration
+
+Nodes can be configured with files in various locations:
+- Command-line arguments
+- Environment variables
+- `.env` files specified with `--config-env-file`
+
+### Monitoring
+
+To monitor the health of your node:
+- View logs for real-time information
+- Use the node's HTTP API for status information
+- Check the explorer for public node statistics
+
+## Common Libraries
+
+- `common/types`: Shared data types across all components
+- `common/crypto`: Cryptographic primitives and wrappers
+- `common/client-core`: Core client functionality
+- `common/gateway-client`: Client-gateway communication
+- `common/task`: Task management and concurrency utilities
+- `common/nymsphinx`: Sphinx packet implementation for mixnet
+- `common/topology`: Network topology management
+- `common/credentials`: Credential system for privacy-preserving authentication
+- `common/bandwidth-controller`: Bandwidth management and accounting
+
+## Code Conventions
+
+- Error handling: Use anyhow/thiserror for structured error handling
+- Logging: Use the tracing framework for logging and diagnostics
+- State management: Generally use Tokio/futures for async code
+- Configuration: Use the config crate and env vars with defaults
+- Database: Use sqlx for type-safe database queries
+- Follow clippy recommendations and rustfmt formatting
+- Use semantic commit messages: feat, fix, docs, refactor, test, chore
+
+## When Making Changes
+
+- Run `make test` before submitting PRs
+- Follow Rust naming conventions
+- Use `clippy` to check for common issues
+- Update SQLx query caches when modifying DB queries: `cargo sqlx prepare`
+- Consider backward compatibility for protocol changes
+- Use lefthook pre-commit hooks for TypeScript formatting
+- Run `cargo deny check` to verify dependency compliance
+- Test against both sandbox and local environments when possible
+- Update relevant documentation and CHANGELOG.md
+
+## Development Tools
+
+### Useful Cargo Commands
+
+```bash
+# Check for outdated dependencies
+cargo outdated
+
+# Analyze binary size
+cargo bloat --release -p nym-node
+
+# Generate dependency graph
+cargo tree -p nym-api
+
+# Run with instrumentation
+cargo run --features profiling -p nym-node
+
+# Check for security advisories
+cargo audit
+```
+
+### Database Tools
+
+```bash
+# SQLx CLI for migrations
+cargo install sqlx-cli
+
+# Create new migration
+cd nym-api && sqlx migrate add <migration_name>
+
+# Prepare query metadata for offline compilation
+cargo sqlx prepare --workspace
+
+# View database schema
+./nym-api/enter_db.sh
+```
+
+### Development Scripts
+
+- `scripts/build_topology.py`: Generate network topology files
+- `scripts/node_api_check.py`: Verify node API endpoints
+- `scripts/network_tunnel_manager.sh`: Manage network tunnels
+- `scripts/localnet_start.sh`: Start a local test network
+- Various deployment scripts in `deployment/` for different environments
+
+## Debugging
+
+- Enable more verbose logging with the RUST_LOG environment variable:
+  ```
+  RUST_LOG=debug,nym_node=trace cargo run -p nym-node -- run --mode mixnode
+  ```
+- Use the HTTP API endpoints for status information
+- Check monitoring data in the database for network performance metrics
+- For complex issues, use tracing tools to follow packet flow
+- Enable backtraces: `RUST_BACKTRACE=full`
+- For WASM debugging: Use browser developer tools with source maps
+
+## Deployment and Advanced Configurations
+
+### Deployment Structure
+
+The `deployment/` directory contains Ansible playbooks and configurations for various deployment scenarios:
+
+- **`aws/`**: AWS-specific deployment configurations
+- **`mixnode/`**: Mixnode deployment playbooks
+- **`gateway/`**: Gateway deployment playbooks
+- **`validator/`**: Validator node deployment
+- **`sandbox-v2/`**: Complete sandbox environment setup
+- **`big-dipper-2/`**: Block explorer deployment
+
+### Sandbox V2 Deployment
+
+The sandbox-v2 deployment (`deployment/sandbox-v2/`) provides a complete test environment:
+
+```bash
+# Key playbooks:
+- deploy.yaml              # Main deployment orchestrator
+- deploy-mixnodes.yaml    # Deploy mixnodes
+- deploy-gateways.yaml    # Deploy gateways
+- deploy-validators.yaml  # Deploy validator nodes
+- deploy-nym-api.yaml     # Deploy API services
+```
+
+### Custom Environment Setup
+
+To create a custom environment:
+
+1. Copy an existing env file: `cp envs/sandbox.env envs/custom.env`
+2. Modify the network endpoints and contract addresses
+3. Update the `NETWORK_NAME` to your identifier
+4. Set appropriate mnemonics and keys (use fresh ones for production!)
+
+### Contract Addresses
+
+Contract addresses are network-specific and defined in environment files:
+- Mixnet contract: Manages mixnode/gateway registry
+- Vesting contract: Handles token vesting schedules
+- Coconut contracts: Privacy-preserving credentials
+- Name service: Human-readable address mapping
+- Ecash contract: Electronic cash functionality
+
+### Local Network Setup
+
+For a completely local network:
+```bash
+# Start local chain
+./scripts/localnet_start.sh
+
+# Deploy contracts
+cd contracts
+make deploy-local
+
+# Start nodes with local config
+dotenv -f envs/local.env -- cargo run -p nym-node -- run --mode mixnode
+```
+
+## Common Issues and Troubleshooting
+
+### Database Issues
+
+- When modifying database queries, you must update SQLx query caches:
+  ```bash
+  cargo sqlx prepare
+  ```
+- If you see SQLx errors about missing query files, this is likely the cause
+- For "database is locked" errors with SQLite, ensure only one process accesses the DB
+- For PostgreSQL connection issues, verify DATABASE_URL and that the server is running
+
+### API Connection Issues
+
+- Check the environment variables pointing to the APIs (NYM_API, NYXD)
+- Verify network connectivity and API health endpoints
+- For authentication issues, check node keys and credentials
+- Common endpoints to verify:
+  - API health: `$NYM_API/health`
+  - Chain status: `$NYXD/status`
+  - Contract info: `$NYXD/cosmwasm/wasm/v1/contract/$CONTRACT_ADDRESS`
+
+### Build Problems
+
+- Clean dependencies with `cargo clean` for a fresh build
+- Check for compatible Rust version (1.80+ recommended)
+- For smart contract builds, ensure wasm-opt is installed: `npm install -g wasm-opt`
+- For cross-compilation issues, check target-specific dependencies
+- WASM build issues: Ensure wasm32-unknown-unknown target is installed:
+  ```bash
+  rustup target add wasm32-unknown-unknown
+  ```
+- For "cannot find -lpq" errors, install PostgreSQL development files:
+  ```bash
+  # Ubuntu/Debian
+  sudo apt-get install libpq-dev
+  # macOS
+  brew install postgresql
+  ```
+
+### Environment Issues
+
+- Contract address mismatches: Ensure you're using the correct environment file
+- "Account sequence mismatch": The account nonce is out of sync, wait and retry
+- Token decimal issues: Sandbox uses different decimal places than mainnet
+- API version mismatches: Ensure your local API version matches the network
+- "Insufficient funds": Get test tokens from faucet (sandbox) or check balance
+- Gateway/mixnode bonding issues: Verify minimum stake requirements
+
+## Working with Routes and Monitoring
+
+1. Route monitoring metrics are stored in a `routes` table with:
+   - Layer node IDs (layer1, layer2, layer3, gw)
+   - Success flag (boolean)
+   - Timestamp
+
+2. To analyze routes:
+   - Check `NetworkAccount` and `AccountingRoute` in `nym-network-monitor/src/accounting.rs`
+   - View monitoring logic in `common/nymsphinx/chunking/monitoring.rs`
+   - Observe how routes are submitted to the database in the `submit_accounting_routes_to_db` function
+
+## Performance Optimization
+
+### Profiling and Benchmarking
+
+```bash
+# Run benchmarks
+cargo bench -p nym-node
+
+# Profile with perf (Linux)
+cargo build --release --features profiling
+perf record --call-graph=dwarf ./target/release/nym-node run --mode mixnode
+perf report
+
+# Generate flamegraph
+cargo install flamegraph
+cargo flamegraph --bin nym-node -- run --mode mixnode
+```
+
+### Common Performance Considerations
+
+- Use bounded channels for backpressure
+- Batch database operations where possible
+- Monitor memory usage with `RUST_LOG=nym_node::metrics=debug`
+- Use connection pooling for database connections
+- Consider using `jemalloc` for better memory allocation performance
@@ -31,16 +31,20 @@ members = [
    "common/client-libs/mixnet-client",
    "common/client-libs/validator-client",
    "common/commands",
+    "common/nym-common",
    "common/config",
    "common/cosmwasm-smart-contracts/coconut-dkg",
    "common/cosmwasm-smart-contracts/contracts-common",
+    "common/cosmwasm-smart-contracts/contracts-common-testing",
    "common/cosmwasm-smart-contracts/easy_addr",
    "common/cosmwasm-smart-contracts/ecash-contract",
    "common/cosmwasm-smart-contracts/group-contract",
    "common/cosmwasm-smart-contracts/mixnet-contract",
    "common/cosmwasm-smart-contracts/multisig-contract",
+    "common/cosmwasm-smart-contracts/nym-performance-contract",
    "common/cosmwasm-smart-contracts/nym-pool-contract",
    "common/cosmwasm-smart-contracts/vesting-contract",
+    "common/credential-proxy",
    "common/credential-storage",
    "common/credential-utils",
    "common/credential-verification",
@@ -48,13 +52,15 @@ members = [
    "common/credentials-interface",
    "common/crypto",
    "common/dkg",
+    "common/ecash-signer-check",
+    "common/ecash-signer-check-types",
    "common/ecash-time",
-    "common/execute",
    "common/exit-policy",
    "common/gateway-requests",
    "common/gateway-stats-storage",
    "common/gateway-storage",
    "common/http-api-client",
+    "common/http-api-client-macro",
    "common/http-api-common",
    "common/inclusion-probability",
    "common/ip-packet-requests",
@@ -63,6 +69,8 @@ members = [
    "common/network-defaults",
    "common/node-tester-utils",
    "common/nonexhaustive-delayqueue",
+    "common/nym-cache",
+    "common/nym-connection-monitor",
    "common/nym-id",
    "common/nym-metrics",
    "common/nym_offline_compact_ecash",
@@ -81,6 +89,7 @@ members = [
    "common/nymsphinx/types",
    "common/nyxd-scraper",
    "common/pemstore",
+    "common/registration",
    "common/serde-helpers",
    "common/service-provider-requests-common",
    "common/socks5-client-core",
@@ -89,24 +98,33 @@ members = [
    "common/statistics",
    "common/store-cipher",
    "common/task",
+    "common/test-utils",
    "common/ticketbooks-merkle",
    "common/topology",
    "common/tun",
    "common/types",
+    "common/upgrade-mode-check",
    "common/verloc",
    "common/wasm/client-core",
    "common/wasm/storage",
    "common/wasm/utils",
    "common/wireguard",
+    "common/wireguard-private-metadata/client",
+    "common/wireguard-private-metadata/server",
+    "common/wireguard-private-metadata/shared",
+    "common/wireguard-private-metadata/tests",
    "common/wireguard-types",
+    "common/zulip-client",
    "documentation/autodoc",
    "gateway",
    "nym-api",
    "nym-api/nym-api-requests",
+    "nym-authenticator-client",
    "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-ip-packet-client",
    "nym-network-monitor",
    "nym-node",
    "nym-node-status-api/nym-node-status-agent",
@@ -115,6 +133,8 @@ members = [
    "nym-node/nym-node-metrics",
    "nym-node/nym-node-requests",
    "nym-outfox",
+    "nym-registration-client",
+    "nym-signers-monitor",
    "nym-statistics-api",
    "nym-validator-rewarder",
    "nyx-chain-watcher",
@@ -122,10 +142,10 @@ members = [
    "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",
+    "sqlx-pool-guard",
    "tools/echo-server",
    "tools/internal/contract-state-importer/importer-cli",
    "tools/internal/contract-state-importer/importer-contract",
@@ -133,8 +153,6 @@ members = [
    # "tools/internal/sdk-version-bump",
    "tools/internal/ssl-inject",
    "tools/internal/testnet-manager",
-    "tools/internal/testnet-manager",
-    "tools/internal/testnet-manager/dkg-bypass-contract",
    "tools/internal/testnet-manager/dkg-bypass-contract",
    "tools/internal/validator-status-check",
    "tools/nym-cli",
@@ -147,6 +165,7 @@ members = [
    "wasm/mix-fetch",
    "wasm/node-tester",
    "wasm/zknym-lib",
+    "nym-gateway-probe"
 ]

 default-members = [
@@ -160,22 +179,21 @@ default-members = [
    "nym-statistics-api",
    "nym-validator-rewarder",
    "nyx-chain-watcher",
-    "service-providers/authenticator",
    "service-providers/ip-packet-router",
    "service-providers/network-requester",
    "tools/nymvisor",
 ]

-exclude = ["explorer", "contracts", "nym-wallet", "cpu-cycles"]
+exclude = ["contracts", "nym-wallet", "cpu-cycles"]

 [workspace.package]
 authors = ["Nym Technologies SA"]
 repository = "https://github.com/nymtech/nym"
 homepage = "https://nymtech.net"
 documentation = "https://nymtech.net"
-edition = "2021"
+edition = "2024"
 license = "Apache-2.0"
-rust-version = "1.80"
+rust-version = "1.85"
 readme = "README.md"

 [workspace.dependencies]
@@ -197,7 +215,6 @@ 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 = "1.7.0"
 bloomfilter = "3.0.1"
@@ -216,8 +233,8 @@ clap_complete = "4.5"
 clap_complete_fig = "4.5"
 colored = "2.2"
 comfy-table = "7.1.4"
-console = "0.15.11"
-console-subscriber = "0.1.1"
+console = "0.16.0"
+console-subscriber = "0.4.1"
 console_error_panic_hook = "0.1"
 const-str = "0.5.6"
 const_format = "0.2.34"
@@ -225,14 +242,13 @@ criterion = "0.5"
 csv = "1.3.1"
 ctr = "0.9.1"
 cupid = "0.6.1"
-curve25519-dalek = "4.1"
 dashmap = "5.5.3"
 # We want https://github.com/DefGuard/wireguard-rs/pull/64 , but there's no crates.io release being pushed out anymore
 defguard_wireguard_rs = { git = "https://github.com/DefGuard/wireguard-rs.git", rev = "v0.4.7" }
 digest = "0.10.7"
-dirs = "5.0"
-doc-comment = "0.3"
+dirs = "6.0"
 dotenvy = "0.15.6"
+dyn-clone = "1.0.19"
 ecdsa = "0.16"
 ed25519-dalek = "2.1"
 encoding_rs = "0.8.35"
@@ -246,11 +262,8 @@ futures = "0.3.31"
 futures-util = "0.3"
 generic-array = "0.14.7"
 getrandom = "0.2.10"
-getset = "0.1.5"
 handlebars = "3.5.5"
-headers = "0.4.0"
 hex = "0.4.3"
-hex-literal = "0.3.3"
 hickory-resolver = "0.25"
 hkdf = "0.12.3"
 hmac = "0.12.1"
@@ -262,22 +275,22 @@ humantime = "2.2.0"
 humantime-serde = "1.1.1"
 hyper = "1.6.0"
 hyper-util = "0.1"
-indicatif = "0.17.11"
+indicatif = "0.18.0"
 inquire = "0.6.2"
+inventory = "0.3.21"
 ip_network = "0.4.1"
 ipnetwork = "0.20"
 itertools = "0.14.0"
+jwt-simple = { version = "0.12.12", default-features = false, features = ["pure-rust"] }
 k256 = "0.13"
 lazy_static = "1.5.0"
 ledger-transport = "0.10.0"
 ledger-transport-hid = "0.10.0"
 log = "0.4"
-maxminddb = "0.23.0"
 mime = "0.3.17"
 moka = { version = "0.12", features = ["future"] }
 nix = "0.27.1"
 notify = "5.1.0"
-okapi = "0.7.0"
 once_cell = "1.21.3"
 opentelemetry = "0.19.0"
 opentelemetry-jaeger = "0.18.0"
@@ -285,20 +298,18 @@ parking_lot = "0.12.3"
 pem = "0.8"
 petgraph = "0.6.5"
 pin-project = "1.1"
-pin-project-lite = "0.2.16"
+pnet_packet = "0.35.0"
 publicsuffix = "2.3.0"
+proc_pidinfo = "0.1.3"
 quote = "1"
 rand = "0.8.5"
 rand_chacha = "0.3"
 rand_core = "0.6.3"
 rand_distr = "0.4"
-rand_pcg = "0.3.1"
-rand_seeder = "0.2.3"
 rayon = "1.5.1"
 regex = "1.10.6"
 reqwest = { version = "0.12.15", default-features = false }
 rs_merkle = "1.5.0"
-safer-ffi = "0.1.13"
 schemars = "0.8.22"
 semver = "1.0.26"
 serde = "1.0.219"
@@ -309,22 +320,24 @@ serde_json_path = "0.7.2"
 serde_repr = "0.1"
 serde_with = "3.9.0"
 serde_yaml = "0.9.25"
+serde_plain = "1.0.2"
 sha2 = "0.10.9"
 si-scale = "0.2.3"
 snow = "0.9.6"
 sphinx-packet = "=0.6.0"
 sqlx = "0.8.6"
-strum = "0.26"
-strum_macros = "0.26"
+strum = "0.27.2"
+strum_macros = "0.27.2"
 subtle-encoding = "0.5"
-syn = "1"
-sysinfo = "0.33.0"
+syn = "2"
+sysinfo = "0.37.0"
 tap = "1.0.1"
 tar = "0.4.44"
+test-with = { version = "0.15.4", default-features = false }
 tempfile = "3.20"
 thiserror = "2.0"
 time = "0.3.41"
-tokio = "1.45"
+tokio = "1.47"
 tokio-postgres = "0.7"
 tokio-stream = "0.1.17"
 tokio-test = "0.4.4"
@@ -340,8 +353,10 @@ tracing-opentelemetry = "0.19.0"
 tracing-subscriber = "0.3.19"
 tracing-tree = "0.2.2"
 tracing-indicatif = "0.3.9"
+tracing-test = "0.2.5"
 ts-rs = "10.1.0"
 tungstenite = { version = "0.20.1", default-features = false }
+typed-builder = "0.23.0"
 uniffi = "0.29.2"
 uniffi_build = "0.29.0"
 url = "2.5"
@@ -350,6 +365,7 @@ utoipa-swagger-ui = "8.1"
 utoipauto = "0.2"
 uuid = "*"
 vergen = { version = "=8.3.1", default-features = false }
+vergen-gitcl = { version = "1.0.8", default-features = false }
 walkdir = "2"
 x25519-dalek = "2.0.0"
 zeroize = "1.7.0"
@@ -368,9 +384,6 @@ subtle = "2.5.0"
 # cosmwasm-related
 cosmwasm-schema = "=2.2.2"
 cosmwasm-std = "=2.2.2"
-# use 1.0.1 as that's the version used by cosmwasm-std 2.2.1
-# (and ideally we don't want to pull the same dependency twice)
-serde-json-wasm = "=1.0.1"
 # same version as used by cosmwasm
 cw-utils = "=2.0.0"
 cw-storage-plus = "=2.0.0"
@@ -378,6 +391,7 @@ cw2 = { version = "=2.0.0" }
 cw3 = { version = "=2.0.0" }
 cw4 = { version = "=2.0.0" }
 cw-controllers = { version = "=2.0.0" }
+cw-multi-test = "=2.3.2"

 # cosmrs-related
 bip32 = { version = "0.5.3", default-features = false }
@@ -391,18 +405,19 @@ prost = { version = "0.13", default-features = false }
 # wasm-related dependencies
 gloo-utils = "0.2.0"
 gloo-net = "0.6.0"
+gloo-timers = "0.3.0"

 indexed_db_futures = "0.6.4"
 js-sys = "0.3.76"
 serde-wasm-bindgen = "0.6.5"
 tsify = "0.4.5"
+tokio_with_wasm = { version = "0.8.7" }
 wasm-bindgen = "0.2.99"
 wasm-bindgen-futures = "0.4.49"
 wasm-bindgen-test = "0.3.49"
 wasmtimer = "0.4.1"
 web-sys = "0.3.76"

-
 # for local development:
 #[patch.crates-io]
 #sphinx-packet = { path = "../sphinx" }
@@ -434,6 +449,9 @@ opt-level = 'z'
 # lto = true
 opt-level = 'z'

+[workspace.lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
+
 [workspace.lints.clippy]
 unwrap_used = "deny"
 expect_used = "deny"
@@ -12,7 +12,11 @@ help:
 	@echo "  clippy: run clippy for all workspaces"
 	@echo "  test: run clippy, unit tests, and formatting."
 	@echo "  test-all: like test, but also includes the expensive tests"
-	@echo "  deb: build debian packages
+	@echo "  deb: build debian packages"
+	@echo ""
+	@echo "Contract building targets:"
+	@echo "  contracts: build contracts for development (includes wasm-opt)"
+	@echo "  publish-contracts: build contracts using Docker optimizer (deterministic)"

 # -----------------------------------------------------------------------------
 # Meta targets
@@ -103,16 +107,16 @@ sdk-wasm-build:
 	$(MAKE) -C nym-browser-extension/storage wasm-pack
 	$(MAKE) -C wasm/client
 	$(MAKE) -C wasm/node-tester
-	$(MAKE) -C wasm/mix-fetch
+	# $(MAKE) -C wasm/mix-fetch
 	$(MAKE) -C wasm/zknym-lib
-	#$(MAKE) -C wasm/full-nym-wasm
+	# $(MAKE) -C wasm/full-nym-wasm

 # run this from npm/yarn to ensure tools are in the path, e.g. yarn build:sdk from root of repo
 sdk-typescript-build:
 	npx lerna run --scope @nymproject/sdk build --stream
-	npx lerna run --scope @nymproject/mix-fetch build --stream
-	npx lerna run --scope @nymproject/node-tester build --stream
-	yarn --cwd sdk/typescript/codegen/contract-clients build
+	# npx lerna run --scope @nymproject/mix-fetch build --stream
+	# npx lerna run --scope @nymproject/node-tester build --stream
+	# yarn --cwd sdk/typescript/codegen/contract-clients build

 # NOTE: These targets are part of the main workspace (but not as wasm32-unknown-unknown)
 WASM_CRATES = extension-storage nym-client-wasm nym-node-tester-wasm zknym-lib
@@ -130,25 +134,77 @@ cargo-test: sdk-wasm-test
 clippy: sdk-wasm-lint

 # -----------------------------------------------------------------------------
-# Build contracts ready for deploy
+# Build CosmWasm contracts (deterministic docker build)
 # -----------------------------------------------------------------------------

-CONTRACTS=vesting_contract mixnet_contract nym_ecash cw3_flex_multisig cw4_group nym_coconut_dkg nym_pool_contract
-CONTRACTS_WASM=$(addsuffix .wasm, $(CONTRACTS))
-CONTRACTS_OUT_DIR=contracts/target/wasm32-unknown-unknown/release

-contracts: build-release-contracts wasm-opt-contracts cosmwasm-check-contracts
+WASM_CONTRACT_DIR := contracts/target/wasm32-unknown-unknown/release
+# Find every direct contract folder that contains a Cargo.toml
+CONTRACT_DIRS := $(shell find contracts -type f -name Cargo.toml \( ! -path "contracts/Cargo.toml" \) | grep -v integration-tests | xargs -n1 dirname | sort -u)
+
+CONTRACTS_OUT_DIR = contracts/artifacts
+
+# Build all contracts via the official CosmWasm optimizer image (one invocation per contract)
+# See : https://github.com/CosmWasm/optimizer?tab=readme-ov-file#contracts-excluded-from-workspace
+# The optimizer ships separate multi-arch images. ARM builds are *not* bit-for-bit identical to the
+# canonical x86_64 build (see README notice in CosmWasm/optimizer).  For reproducible artefacts we
+# therefore always run the amd64 variant by default.
+#   Override with :
+#   $ COSMWASM_OPTIMIZER_IMAGE=cosmwasm/optimizer-arm64:0.17.0 make contracts-publish
+#
+COSMWASM_OPTIMIZER_IMAGE ?= cosmwasm/optimizer:0.17.0
+COSMWASM_OPTIMIZER_PLATFORM ?= linux/amd64
+COSMWASM_CHECK_IMAGE ?= rust:1.88
+
+# Ensure clean build environment and run the optimizer
+optimize-contracts:
+	@rm -rf artifacts 2>/dev/null || true
+	@echo "=== Ensuring clean build environment"
+	docker volume rm nym_contracts_cache 2>/dev/null || true
+	docker volume rm registry_cache 2>/dev/null || true
+	@for DIR in $(CONTRACT_DIRS); do \
+	  echo "=== Optimizing $${DIR}"; \
+	  docker run --rm --platform $(COSMWASM_OPTIMIZER_PLATFORM) \
+	    -v $(CURDIR):/code \
+	    --mount type=volume,source=nym_contracts_cache,target=/target \
+	    --mount type=volume,source=registry_cache,target=/usr/local/cargo/registry \
+	    -e CARGO_BUILD_INCREMENTAL=false \
+	    -e RUSTFLAGS="-C target-cpu=generic -C debuginfo=0" \
+	    -e SOURCE_DATE_EPOCH=1 \
+	    $(COSMWASM_OPTIMIZER_IMAGE) $${DIR}; \
+	done
+	@mkdir -p $(CONTRACTS_OUT_DIR)
+	@cp artifacts/*.wasm $(CONTRACTS_OUT_DIR)/ 2>/dev/null || true
+
+	@cd $(CONTRACTS_OUT_DIR) && sha256sum *.wasm > checksums.txt
+	# Cleanup temporary artefacts directory
+	@rm -rf artifacts 2>/dev/null || true
+
+# Check artifacts with cosmwasm-check inside the optimizer image
+docker-check-contracts:
+	@docker run --rm --platform $(COSMWASM_OPTIMIZER_PLATFORM) \
+	  -v $(CURDIR):/code --workdir /code \
+	  --entrypoint /bin/sh \
+	  $(COSMWASM_CHECK_IMAGE) -lc 'apt-get update && apt-get install -y --no-install-recommends llvm-dev libclang-dev pkg-config && export PATH="/usr/local/cargo/bin:/usr/local/rustup/bin:$$PATH" && cargo install cosmwasm-check --locked && WASMER_ENGINE=universal WASMER_COMPILER=singlepass cosmwasm-check contracts/artifacts/*.wasm'

 wasm-opt-contracts:
-	for contract in $(CONTRACTS_WASM); do \
-	  wasm-opt --signext-lowering -Os $(CONTRACTS_OUT_DIR)/$$contract -o $(CONTRACTS_OUT_DIR)/$$contract; \
+	@for WASM in $(WASM_CONTRACT_DIR)/*.wasm; do \
+	  echo "Running wasm-opt on $$WASM"; \
+	  wasm-opt --signext-lowering -Os $$WASM -o $$WASM ; \
 	done

 cosmwasm-check-contracts:
-	for contract in $(CONTRACTS_WASM); do \
-	  cosmwasm-check $(CONTRACTS_OUT_DIR)/$$contract; \
+	@for WASM in $(WASM_CONTRACT_DIR)/*.wasm; do \
+	  echo "Checking $$WASM"; \
+	  cosmwasm-check $$WASM ; \
 	done

+# Default development build
+contracts: build-release-contracts wasm-opt-contracts cosmwasm-check-contracts
+
+# Publishing build used by CI – deterministic Docker optimiser
+publish-contracts: optimize-contracts cosmwasm-check-contracts
+
 # Consider adding 's' to make plural consistent (beware: used in github workflow)
 contract-schema:
 	$(MAKE) -C contracts schema
@@ -0,0 +1,12 @@
+# Shared assets
+
+This directory contains asset files shared by many projects in this repo.
+
+You will find:
+
+- favicons
+- logos
+- shared fonts
+- shared icon SVGs
+
+See [ts-packages/react-webpack-with-theme-example](../ts-packages/react-webpack-with-theme-example) for examples of usage.
@@ -0,0 +1,10 @@
+<svg width="64" height="64" viewBox="0 0 80 80" fill="none" xmlns="http://www.w3.org/2000/svg">
+	<path d="M40 78.5C61.263 78.5 78.5 61.263 78.5 40C78.5 18.737 61.263 1.5 40 1.5C18.737 1.5 1.5 18.737 1.5 40C1.5 61.263 18.737 78.5 40 78.5Z" fill="#070B15" stroke="url(#paint0_linear_0_1)" stroke-width="3"/>
+	<path d="M31.4894 27.56L41.8623 56H48.5106H56V24H48.5106V52.4L38.1777 24H31.4894H24V56H31.4894V27.56Z" fill="white"/>
+	<defs>
+		<linearGradient id="paint0_linear_0_1" x1="0.839161" y1="80" x2="80" y2="80" gradientUnits="userSpaceOnUse">
+			<stop offset="0.09375" stop-color="#FB6E4E"/>
+			<stop offset="1" stop-color="#F51473"/>
+		</linearGradient>
+	</defs>
+</svg>
@@ -0,0 +1,6 @@
+@font-face {
+    font-family: 'Open Sans';
+    src: url('./OpenSans-VariableFont_wdth,wght.ttf') format('truetype-variations'),
+    url('./OpenSans-Italic-VariableFont_wdth,wght.ttf') format('truetype-variations');
+    font-weight: 100 1000;
+}
@@ -0,0 +1,8 @@
+Update fonts by doing the following:
+
+1. Go to https://fonts.google.com/specimen/Open+Sans
+2. Add all the styles you want and select `@import`
+3. Copy the url (e.g. curl https://fonts.googleapis.com/css2\?family\=Open+Sans:ital,wght@0,300\;0,400\;0,500\;0,600\;0,700\;0,800\;1,300\;1,400\;1,500\;1,600\;1,700\;1,800\&display\=swap)
+4. Run `curl curl https://fonts.googleapis.com/css2\?family\=Open+Sans:ital,wght@0,300\;0,400\;0,500\;0,600\;0,700\;0,800\;1,300\;1,400\;1,500\;1,600\;1,700\;1,800\&display\=swap`
+5. Use the response as the CSS import directives and download the font files for each font weight
+6. Remember to delete any old font files
@@ -0,0 +1,96 @@
+@font-face {
+    font-family: 'Open Sans';
+    font-style: italic;
+    font-weight: 300;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkaVc.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: italic;
+    font-weight: 400;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkaVc.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: italic;
+    font-weight: 500;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk_RkaVc.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: italic;
+    font-weight: 600;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjaVc.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: italic;
+    font-weight: 700;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjaVc.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: italic;
+    font-weight: 800;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk0ZjaVc.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: normal;
+    font-weight: 300;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: normal;
+    font-weight: 400;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: normal;
+    font-weight: 500;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0C4n.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: normal;
+    font-weight: 600;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: normal;
+    font-weight: 700;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf) format('truetype');
+}
+@font-face {
+    font-family: 'Open Sans';
+    font-style: normal;
+    font-weight: 800;
+    font-stretch: normal;
+    font-display: swap;
+    src: url(./memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4n.ttf) format('truetype');
+}
@@ -0,0 +1,53 @@
+<svg
+  width="100%"
+  height="100%"
+  viewBox="0 0 80 80"
+  fill="none"
+  xmlns="http://www.w3.org/2000/svg"
+>
+  <g clip-path="url(#clip0_421_13045)">
+    <path
+      d="M40 80C62.0914 80 80 62.0914 80 40C80 17.9086 62.0914 0 40 0C17.9086 0 0 17.9086 0 40C0 62.0914 17.9086 80 40 80Z"
+      fill="black"
+    />
+    <path
+      d="M40 77.2636C60.5801 77.2636 77.2636 60.5801 77.2636 40C77.2636 19.4199 60.5801 2.73645 40 2.73645C19.4199 2.73645 2.73645 19.4199 2.73645 40C2.73645 60.5801 19.4199 77.2636 40 77.2636Z"
+      fill="white"
+    />
+    <path
+      d="M24.0224 32.471H23.9776V32.5084V45.5775L18.4673 32.4934L18.4598 32.471H18.4299H15.3047H11.7981H11.7607V32.5084V47.4916V47.529H11.7981H15.3047H15.3421V47.4916V34.4L20.8748 47.5065L20.8822 47.529H20.9121H24.0224H27.5215H27.5589V47.4916V32.5084V32.471H27.5215H24.0224Z"
+      fill="black"
+    />
+    <path
+      fill-rule="evenodd"
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@@ -1,10 +1,10 @@
 [package]
 name = "nym-client"
-version = "1.1.57"
+version = "1.1.64"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>", "Jędrzej Stuczyński <andrew@nymtech.net>"]
 description = "Implementation of the Nym Client"
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.85"
 license.workspace = true

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -11,7 +11,7 @@ use nym_client_core::client::base_client::{
    BaseClientBuilder, ClientInput, ClientOutput, ClientState,
 };
 use nym_sphinx::params::PacketType;
-use nym_task::TaskHandle;
+use nym_task::ShutdownManager;
 use nym_validator_client::QueryHttpRpcNyxdClient;
 use std::error::Error;
 use std::path::PathBuf;
@@ -29,6 +29,8 @@ pub struct SocketClient {

    /// Optional path to a .json file containing standalone network details.
    custom_mixnet: Option<PathBuf>,
+
+    shutdown_manager: ShutdownManager,
 }

 impl SocketClient {
@@ -40,6 +42,7 @@ impl SocketClient {
        SocketClient {
            config,
            custom_mixnet,
+            shutdown_manager: Default::default(),
        }
    }

@@ -49,7 +52,7 @@ impl SocketClient {
        client_output: ClientOutput,
        client_state: ClientState,
        self_address: &Recipient,
-        task_client: nym_task::TaskClient,
+        shutdown_token: nym_task::ShutdownToken,
        packet_type: PacketType,
    ) {
        info!("Starting websocket listener...");
@@ -57,6 +60,7 @@ impl SocketClient {
        let ClientInput {
            connection_command_sender,
            input_sender,
+            ..
        } = client_input;

        let ClientOutput {
@@ -77,24 +81,24 @@ impl SocketClient {
            shared_lane_queue_lengths,
            reply_controller_sender,
            Some(packet_type),
-            task_client.fork("websocket_handler"),
+            shutdown_token.clone(),
        );

        websocket::Listener::new(
            config.socket.host,
            config.socket.listening_port,
-            task_client.with_suffix("websocket_listener"),
+            shutdown_token.child_token(),
        )
        .start(websocket_handler);
    }

    /// blocking version of `start_socket` method. Will run forever (or until SIGINT is sent)
    pub async fn run_socket_forever(self) -> Result<(), Box<dyn Error + Send + Sync>> {
-        let shutdown = self.start_socket().await?;
+        let mut shutdown = self.start_socket().await?;

-        let res = shutdown.wait_for_shutdown().await;
+        shutdown.run_until_shutdown().await;
        log::info!("Stopping nym-client");
-        res
+        Ok(())
    }

    async fn initialise_storage(&self) -> Result<OnDiskPersistent, ClientError> {
@@ -111,7 +115,7 @@ impl SocketClient {
        let dkg_query_client = if self.config.base.client.disabled_credentials_mode {
            None
        } else {
-            Some(default_query_dkg_client_from_config(&self.config.base))
+            Some(default_query_dkg_client_from_config(&self.config.base)?)
        };

        let storage = self.initialise_storage().await?;
@@ -119,6 +123,7 @@ impl SocketClient {

        let mut base_client =
            BaseClientBuilder::new(self.config().base(), storage, dkg_query_client)
+                .with_shutdown(self.shutdown_manager.shutdown_tracker_owned())
                .with_user_agent(user_agent);

        if let Some(custom_mixnet) = &self.custom_mixnet {
@@ -128,7 +133,7 @@ impl SocketClient {
        Ok(base_client)
    }

-    pub async fn start_socket(self) -> Result<TaskHandle, ClientError> {
+    pub async fn start_socket(self) -> Result<ShutdownManager, ClientError> {
        if !self.config.socket.socket_type.is_websocket() {
            return Err(ClientError::InvalidSocketMode);
        }
@@ -147,13 +152,13 @@ impl SocketClient {
            client_output,
            client_state,
            &self_address,
-            started_client.task_handle.get_handle(),
+            self.shutdown_manager.child_shutdown_token(),
            packet_type,
        );

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

-        Ok(started_client.task_handle)
+        Ok(self.shutdown_manager)
    }
 }
@@ -19,7 +19,7 @@ use nym_sphinx::receiver::ReconstructedMessage;
 use nym_task::connections::{
    ConnectionCommand, ConnectionCommandSender, ConnectionId, LaneQueueLengths, TransmissionLane,
 };
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use std::time::Duration;
 use tokio::net::TcpStream;
 use tokio::time::Instant;
@@ -44,7 +44,7 @@ pub(crate) struct HandlerBuilder {
    lane_queue_lengths: LaneQueueLengths,
    reply_controller_sender: ReplyControllerSender,
    packet_type: Option<PacketType>,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl HandlerBuilder {
@@ -57,7 +57,7 @@ impl HandlerBuilder {
        lane_queue_lengths: LaneQueueLengths,
        reply_controller_sender: ReplyControllerSender,
        packet_type: Option<PacketType>,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        Self {
            msg_input,
@@ -67,14 +67,13 @@ impl HandlerBuilder {
            lane_queue_lengths,
            reply_controller_sender,
            packet_type,
-            task_client,
+            shutdown_token,
        }
    }

    // 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();
+        let shutdown_token = self.shutdown_token.clone();
        Handler {
            msg_input: self.msg_input.clone(),
            client_connection_tx: self.client_connection_tx.clone(),
@@ -85,7 +84,7 @@ 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,
+            shutdown_token,
        }
    }
 }
@@ -100,19 +99,14 @@ pub(crate) struct Handler {
    lane_queue_lengths: LaneQueueLengths,
    reply_controller_sender: ReplyControllerSender,
    packet_type: Option<PacketType>,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl Drop for Handler {
    fn drop(&mut self) {
-        if let Err(err) = self
+        let _ = self
            .buffer_requester
-            .unbounded_send(ReceivedBufferMessage::ReceiverDisconnect)
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("failed to disconnect the receiver from the buffer: {err}");
-            }
-        }
+            .unbounded_send(ReceivedBufferMessage::ReceiverDisconnect);
    }
 }

@@ -142,7 +136,7 @@ impl Handler {
        {
            Ok(length) => length,
            Err(err) => {
-                if !self.task_client.is_shutdown_poll() {
+                if !self.shutdown_token.is_cancelled() {
                    error!(
                        "Failed to get reply queue length for connection {connection_id}: {err}"
                    );
@@ -192,7 +186,7 @@ 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 {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send message to the input buffer: {err}");
            }
        }
@@ -225,7 +219,7 @@ 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 {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send anonymous message to the input buffer: {err}");
            }
        }
@@ -253,7 +247,7 @@ 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 {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send reply message to the input buffer: {err}");
            }
        }
@@ -275,7 +269,7 @@ impl Handler {
            .client_connection_tx
            .unbounded_send(ConnectionCommand::Close(connection_id))
        {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send close connection command: {err}");
            }
        }
@@ -318,7 +312,7 @@ impl Handler {

    async fn handle_text_message(&mut self, msg: String) -> Option<WsMessage> {
        debug!("Handling text message request");
-        trace!("Content: {:?}", msg);
+        trace!("Content: {msg:?}");

        self.received_response_type = ReceivedResponseType::Text;
        let client_request = ClientRequest::try_from_text(msg);
@@ -394,11 +388,14 @@ impl Handler {
    }

    async fn listen_for_requests(&mut self, mut msg_receiver: ReconstructedMessagesReceiver) {
-        let mut task_client = self.task_client.fork("select");
-        task_client.disarm();
+        let shutdown_token = self.shutdown_token.clone();

-        while !task_client.is_shutdown() {
+        loop {
            tokio::select! {
+                  _ = shutdown_token.cancelled() => {
+                    log::trace!("Websocket handler: Received shutdown");
+                    break;
+                }
                // we can either get a client request from the websocket
                socket_msg = self.next_websocket_request() => {
                    if socket_msg.is_none() {
@@ -436,9 +433,6 @@ impl Handler {
                        break;
                    }
                }
-                _ = task_client.recv() => {
-                    log::trace!("Websocket handler: Received shutdown");
-                }
            }
        }
        log::debug!("Websocket handler: Exiting");
@@ -464,7 +458,7 @@ impl Handler {
                    reconstructed_sender,
                ))
        {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("failed to announce the receiver to the buffer: {err}");
            }
        }
@@ -3,7 +3,7 @@

 use super::handler::HandlerBuilder;
 use log::*;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use std::net::IpAddr;
 use std::{net::SocketAddr, process, sync::Arc};
 use tokio::io::AsyncWriteExt;
@@ -23,15 +23,15 @@ impl State {
 pub(crate) struct Listener {
    address: SocketAddr,
    state: State,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl Listener {
-    pub(crate) fn new(host: IpAddr, port: u16, task_client: TaskClient) -> Self {
+    pub(crate) fn new(host: IpAddr, port: u16, shutdown_token: ShutdownToken) -> Self {
        Listener {
            address: SocketAddr::new(host, port),
            state: State::AwaitingConnection,
-            task_client,
+            shutdown_token,
        }
    }

@@ -46,11 +46,11 @@ impl Listener {

        let notify = Arc::new(Notify::new());

-        while !self.task_client.is_shutdown() {
+        while !self.shutdown_token.is_cancelled() {
            tokio::select! {
                // When the handler finishes we check if shutdown is signalled
                _ = notify.notified() => {
-                    if self.task_client.is_shutdown() {
+                    if self.shutdown_token.is_cancelled() {
                        log::trace!("Websocket listener: detected shutdown after connection closed");
                        break;
                    }
@@ -59,7 +59,7 @@ impl Listener {
                }
                // ... but when there is no connected client at the time of shutdown being
                // signalled, we handle it here.
-                _ = self.task_client.recv() => {
+                _ = self.shutdown_token.cancelled() => {
                    if !self.state.is_connected() {
                        log::trace!("Not connected: shutting down");
                        break;
@@ -68,9 +68,9 @@ impl Listener {
                new_conn = tcp_listener.accept() => {
                    match new_conn {
                        Ok((mut socket, remote_addr)) => {
-                            debug!("Received connection from {:?}", remote_addr);
+                            debug!("Received connection from {remote_addr:?}");
                            if self.state.is_connected() {
-                                warn!("Tried to open a duplicate websocket connection. The request came from {}", remote_addr);
+                                warn!("Tried to open a duplicate websocket connection. The request came from {remote_addr}");
                                // if we've already got a connection, don't allow another one
                                // while we only ever want to accept a single connection, we don't want
                                // to leave clients hanging (and also allow for reconnection if it somehow
@@ -1,10 +1,10 @@
 [package]
 name = "nym-socks5-client"
-version = "1.1.57"
+version = "1.1.64"
 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"
-rust-version = "1.70"
+rust-version = "1.85"
 license.workspace = true

 [dependencies]
@@ -1,8 +1,8 @@
 // Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use futures::channel::mpsc;
 use futures::StreamExt;
+use futures::channel::mpsc;
 use notify::event::{DataChange, MetadataKind, ModifyKind};
 use notify::{Config, Event, EventKind, RecommendedWatcher, RecursiveMode, Watcher};
 use std::collections::HashMap;
@@ -96,10 +96,10 @@ impl AsyncFileWatcher {
        // when testing I was consistently getting two `Modify(Data(Any))` events in quick succession
        // (probably to modify content and metadata).
        // we really only want to propagate one of them
-        if let Some(previous) = self.last_received.get(&event.kind) {
-            if now.duration_since(*previous) < self.tick_duration {
-                return false;
-            }
+        if let Some(previous) = self.last_received.get(&event.kind)
+            && now.duration_since(*previous) < self.tick_duration
+        {
+            return false;
        }

        let Some(filters) = &self.filters else {
@@ -137,7 +137,7 @@ impl AsyncFileWatcher {
                            log::error!("the file watcher receiver has been dropped!");
                        }
                    } else {
-                        log::debug!("will not propagate information about {:?}", event);
+                        log::debug!("will not propagate information about {event:?}");
                    }
                }
                Err(err) => {
@@ -13,6 +13,8 @@ base64 = { workspace = true }
 bincode = { workspace = true }
 rand = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
+semver = { workspace = true }
+strum_macros = { workspace = true }
 thiserror = { workspace = true }

 nym-credentials-interface = { path = "../credentials-interface" }
@@ -0,0 +1,273 @@
+// Copyright 2025 Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use nym_sphinx::addressing::Recipient;
+use nym_wireguard_types::PeerPublicKey;
+
+use crate::{
+    AuthenticatorVersion, Error,
+    latest::registration::IpPair,
+    traits::{FinalMessage, InitMessage, QueryBandwidthMessage, TopUpMessage, Versionable},
+    v2, v3, v4, v5,
+};
+
+// This is very redundant with AuthenticatorRequest and I reckon they could be smooshed.
+// It is a bit out of scope for me at the moment though
+#[derive(Debug)]
+pub enum ClientMessage {
+    Initial(Box<dyn InitMessage + Send + Sync + 'static>),
+    Final(Box<dyn FinalMessage + Send + Sync + 'static>),
+    Query(Box<dyn QueryBandwidthMessage + Send + Sync + 'static>),
+    TopUp(Box<dyn TopUpMessage + Send + Sync + 'static>),
+}
+
+impl ClientMessage {
+    // check if message is wasteful e.g. contains a credential
+    pub fn is_wasteful(&self) -> bool {
+        match self {
+            Self::Final(msg) => msg.credential().is_some(),
+            Self::TopUp(_) => true,
+            Self::Initial(_) | Self::Query(_) => false,
+        }
+    }
+
+    fn version(&self) -> AuthenticatorVersion {
+        match self {
+            ClientMessage::Initial(msg) => msg.version(),
+            ClientMessage::Final(msg) => msg.version(),
+            ClientMessage::Query(msg) => msg.version(),
+            ClientMessage::TopUp(msg) => msg.version(),
+        }
+    }
+
+    pub fn bytes(&self, reply_to: Recipient) -> Result<(Vec<u8>, u64), Error> {
+        match self.version() {
+            AuthenticatorVersion::V1 => Err(Error::UnsupportedVersion),
+            AuthenticatorVersion::V2 => {
+                use v2::{
+                    registration::{ClientMac, FinalMessage, GatewayClient, InitMessage},
+                    request::AuthenticatorRequest,
+                };
+                match self {
+                    ClientMessage::Initial(init_message) => {
+                        let (req, id) = AuthenticatorRequest::new_initial_request(
+                            InitMessage {
+                                pub_key: init_message.pub_key(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Final(final_message) => {
+                        let (req, id) = AuthenticatorRequest::new_final_request(
+                            FinalMessage {
+                                gateway_client: GatewayClient {
+                                    pub_key: final_message.gateway_client_pub_key(),
+                                    private_ip: final_message
+                                        .gateway_client_ipv4()
+                                        .ok_or(Error::UnsupportedMessage)?
+                                        .into(),
+                                    mac: ClientMac::new(final_message.gateway_client_mac()),
+                                },
+                                credential: final_message.credential(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Query(query_message) => {
+                        let (req, id) = AuthenticatorRequest::new_query_request(
+                            query_message.pub_key(),
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    _ => Err(Error::UnsupportedMessage),
+                }
+            }
+            AuthenticatorVersion::V3 => {
+                use v3::{
+                    registration::{ClientMac, FinalMessage, GatewayClient, InitMessage},
+                    request::AuthenticatorRequest,
+                    topup::TopUpMessage,
+                };
+                match self {
+                    ClientMessage::Initial(init_message) => {
+                        let (req, id) = AuthenticatorRequest::new_initial_request(
+                            InitMessage {
+                                pub_key: init_message.pub_key(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Final(final_message) => {
+                        let (req, id) = AuthenticatorRequest::new_final_request(
+                            FinalMessage {
+                                gateway_client: GatewayClient {
+                                    pub_key: final_message.gateway_client_pub_key(),
+                                    private_ip: final_message
+                                        .gateway_client_ipv4()
+                                        .ok_or(Error::UnsupportedMessage)?
+                                        .into(),
+                                    mac: ClientMac::new(final_message.gateway_client_mac()),
+                                },
+                                credential: final_message.credential(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Query(query_message) => {
+                        let (req, id) = AuthenticatorRequest::new_query_request(
+                            query_message.pub_key(),
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::TopUp(top_up_message) => {
+                        let (req, id) = AuthenticatorRequest::new_topup_request(
+                            TopUpMessage {
+                                pub_key: top_up_message.pub_key(),
+                                credential: top_up_message.credential(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                }
+            }
+            AuthenticatorVersion::V4 => {
+                use v4::{
+                    registration::{ClientMac, FinalMessage, GatewayClient, InitMessage},
+                    request::AuthenticatorRequest,
+                    topup::TopUpMessage,
+                };
+                match self {
+                    ClientMessage::Initial(init_message) => {
+                        let (req, id) = AuthenticatorRequest::new_initial_request(
+                            InitMessage {
+                                pub_key: init_message.pub_key(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Final(final_message) => {
+                        let (req, id) = AuthenticatorRequest::new_final_request(
+                            FinalMessage {
+                                gateway_client: GatewayClient {
+                                    pub_key: final_message.gateway_client_pub_key(),
+                                    private_ips: IpPair {
+                                        ipv4: final_message
+                                            .gateway_client_ipv4()
+                                            .ok_or(Error::UnsupportedMessage)?,
+                                        ipv6: final_message
+                                            .gateway_client_ipv6()
+                                            .ok_or(Error::UnsupportedMessage)?,
+                                    }
+                                    .into(),
+                                    mac: ClientMac::new(final_message.gateway_client_mac()),
+                                },
+                                credential: final_message.credential(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Query(query_message) => {
+                        let (req, id) = AuthenticatorRequest::new_query_request(
+                            query_message.pub_key(),
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::TopUp(top_up_message) => {
+                        let (req, id) = AuthenticatorRequest::new_topup_request(
+                            TopUpMessage {
+                                pub_key: top_up_message.pub_key(),
+                                credential: top_up_message.credential(),
+                            },
+                            reply_to,
+                        );
+                        Ok((req.to_bytes()?, id))
+                    }
+                }
+            }
+            AuthenticatorVersion::V5 => {
+                use v5::{
+                    registration::{ClientMac, FinalMessage, GatewayClient, InitMessage},
+                    request::AuthenticatorRequest,
+                    topup::TopUpMessage,
+                };
+                match self {
+                    ClientMessage::Initial(init_message) => {
+                        let (req, id) = AuthenticatorRequest::new_initial_request(InitMessage {
+                            pub_key: init_message.pub_key(),
+                        });
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Final(final_message) => {
+                        let (req, id) = AuthenticatorRequest::new_final_request(FinalMessage {
+                            gateway_client: GatewayClient {
+                                pub_key: final_message.gateway_client_pub_key(),
+                                private_ips: IpPair {
+                                    ipv4: final_message
+                                        .gateway_client_ipv4()
+                                        .ok_or(Error::UnsupportedMessage)?,
+                                    ipv6: final_message
+                                        .gateway_client_ipv6()
+                                        .ok_or(Error::UnsupportedMessage)?,
+                                },
+                                mac: ClientMac::new(final_message.gateway_client_mac()),
+                            },
+                            credential: final_message.credential(),
+                        });
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::Query(query_message) => {
+                        let (req, id) =
+                            AuthenticatorRequest::new_query_request(query_message.pub_key());
+                        Ok((req.to_bytes()?, id))
+                    }
+                    ClientMessage::TopUp(top_up_message) => {
+                        let (req, id) = AuthenticatorRequest::new_topup_request(TopUpMessage {
+                            pub_key: top_up_message.pub_key(),
+                            credential: top_up_message.credential(),
+                        });
+                        Ok((req.to_bytes()?, id))
+                    }
+                }
+            }
+            AuthenticatorVersion::UNKNOWN => Err(Error::UnknownVersion),
+        }
+    }
+
+    pub fn use_surbs(&self) -> bool {
+        use AuthenticatorVersion::*;
+        match self.version() {
+            V1 | V2 | V3 | V4 => false,
+            V5 => true,
+            UNKNOWN => true,
+        }
+    }
+}
+
+// Same comment as above struct
+#[derive(Debug)]
+pub struct QueryMessageImpl {
+    pub pub_key: PeerPublicKey,
+    pub version: AuthenticatorVersion,
+}
+
+impl Versionable for QueryMessageImpl {
+    fn version(&self) -> AuthenticatorVersion {
+        self.version
+    }
+}
+
+impl QueryBandwidthMessage for QueryMessageImpl {
+    fn pub_key(&self) -> PeerPublicKey {
+        self.pub_key
+    }
+}
@@ -23,6 +23,17 @@ pub enum Error {
    #[error("conversion: {0}")]
    Conversion(String),

-    #[error("failed to serialize response packet: {source}")]
-    FailedToSerializeResponsePacket { source: Box<bincode::ErrorKind> },
+    // TODO add version number for debugging
+    #[error("unknown version number")]
+    UnknownVersion,
+
+    // TODO add version number for debugging
+    #[error("unsupported request version")]
+    UnsupportedVersion,
+
+    #[error("gateway doesn't support this type of message")]
+    UnsupportedMessage,
+
+    #[error(transparent)]
+    Bincode(#[from] bincode::Error),
 }
@@ -1,6 +1,9 @@
 // Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

+pub mod client_message;
+pub mod request;
+pub mod response;
 pub mod traits;
 pub mod v1;
 pub mod v2;
@@ -10,11 +13,13 @@ pub mod v5;

 mod error;
 mod util;
+mod version;

 pub use error::Error;
 pub use v5 as latest;
+pub use version::AuthenticatorVersion;

-pub const CURRENT_VERSION: u8 = 5;
+pub const CURRENT_VERSION: u8 = latest::VERSION;

 fn make_bincode_serializer() -> impl bincode::Options {
    use bincode::Options;
@@ -0,0 +1,204 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use nym_service_provider_requests_common::{Protocol, ServiceProviderType};
+use nym_sphinx::addressing::Recipient;
+
+use crate::traits::{FinalMessage, InitMessage, QueryBandwidthMessage, TopUpMessage};
+use crate::{v1, v2, v3, v4, v5};
+
+#[derive(Debug)]
+pub enum AuthenticatorRequest {
+    Initial {
+        msg: Box<dyn InitMessage + Send + Sync + 'static>,
+        protocol: Protocol,
+        reply_to: Option<Recipient>,
+        request_id: u64,
+    },
+    Final {
+        msg: Box<dyn FinalMessage + Send + Sync + 'static>,
+        protocol: Protocol,
+        reply_to: Option<Recipient>,
+        request_id: u64,
+    },
+    QueryBandwidth {
+        msg: Box<dyn QueryBandwidthMessage + Send + Sync + 'static>,
+        protocol: Protocol,
+        reply_to: Option<Recipient>,
+        request_id: u64,
+    },
+    TopUpBandwidth {
+        msg: Box<dyn TopUpMessage + Send + Sync + 'static>,
+        protocol: Protocol,
+        reply_to: Option<Recipient>,
+        request_id: u64,
+    },
+}
+
+impl From<v1::request::AuthenticatorRequest> for AuthenticatorRequest {
+    fn from(value: v1::request::AuthenticatorRequest) -> Self {
+        match value.data {
+            v1::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
+                msg: Box::new(init_message),
+                protocol: Protocol {
+                    version: value.version,
+                    service_provider_type: ServiceProviderType::Authenticator,
+                },
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v1::request::AuthenticatorRequestData::Final(gateway_client) => Self::Final {
+                msg: Box::new(gateway_client),
+                protocol: Protocol {
+                    version: value.version,
+                    service_provider_type: ServiceProviderType::Authenticator,
+                },
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v1::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
+                Self::QueryBandwidth {
+                    msg: Box::new(peer_public_key),
+                    protocol: Protocol {
+                        version: value.version,
+                        service_provider_type: ServiceProviderType::Authenticator,
+                    },
+                    reply_to: Some(value.reply_to),
+                    request_id: value.request_id,
+                }
+            }
+        }
+    }
+}
+
+impl From<v2::request::AuthenticatorRequest> for AuthenticatorRequest {
+    fn from(value: v2::request::AuthenticatorRequest) -> Self {
+        match value.data {
+            v2::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
+                msg: Box::new(init_message),
+                protocol: value.protocol,
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v2::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
+                msg: final_message,
+                protocol: value.protocol,
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v2::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
+                Self::QueryBandwidth {
+                    msg: Box::new(peer_public_key),
+                    protocol: value.protocol,
+                    reply_to: Some(value.reply_to),
+                    request_id: value.request_id,
+                }
+            }
+        }
+    }
+}
+
+impl From<v3::request::AuthenticatorRequest> for AuthenticatorRequest {
+    fn from(value: v3::request::AuthenticatorRequest) -> Self {
+        match value.data {
+            v3::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
+                msg: Box::new(init_message),
+                protocol: value.protocol,
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v3::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
+                msg: final_message,
+                protocol: value.protocol,
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v3::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
+                Self::QueryBandwidth {
+                    msg: Box::new(peer_public_key),
+                    protocol: value.protocol,
+                    reply_to: Some(value.reply_to),
+                    request_id: value.request_id,
+                }
+            }
+            v3::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
+                Self::TopUpBandwidth {
+                    msg: top_up_message,
+                    protocol: value.protocol,
+                    reply_to: Some(value.reply_to),
+                    request_id: value.request_id,
+                }
+            }
+        }
+    }
+}
+
+impl From<v4::request::AuthenticatorRequest> for AuthenticatorRequest {
+    fn from(value: v4::request::AuthenticatorRequest) -> Self {
+        match value.data {
+            v4::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
+                msg: Box::new(init_message),
+                protocol: value.protocol,
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v4::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
+                msg: final_message,
+                protocol: value.protocol,
+                reply_to: Some(value.reply_to),
+                request_id: value.request_id,
+            },
+            v4::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
+                Self::QueryBandwidth {
+                    msg: Box::new(peer_public_key),
+                    protocol: value.protocol,
+                    reply_to: Some(value.reply_to),
+                    request_id: value.request_id,
+                }
+            }
+            v4::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
+                Self::TopUpBandwidth {
+                    msg: top_up_message,
+                    protocol: value.protocol,
+                    reply_to: Some(value.reply_to),
+                    request_id: value.request_id,
+                }
+            }
+        }
+    }
+}
+
+impl From<v5::request::AuthenticatorRequest> for AuthenticatorRequest {
+    fn from(value: v5::request::AuthenticatorRequest) -> Self {
+        match value.data {
+            v5::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
+                msg: Box::new(init_message),
+                protocol: value.protocol,
+                reply_to: None,
+                request_id: value.request_id,
+            },
+            v5::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
+                msg: final_message,
+                protocol: value.protocol,
+                reply_to: None,
+                request_id: value.request_id,
+            },
+            v5::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
+                Self::QueryBandwidth {
+                    msg: Box::new(peer_public_key),
+                    protocol: value.protocol,
+                    reply_to: None,
+                    request_id: value.request_id,
+                }
+            }
+            v5::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
+                Self::TopUpBandwidth {
+                    msg: top_up_message,
+                    protocol: value.protocol,
+                    reply_to: None,
+                    request_id: value.request_id,
+                }
+            }
+        }
+    }
+}
@@ -0,0 +1,106 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::traits::{
+    Id, PendingRegistrationResponse, RegisteredResponse, RemainingBandwidthResponse,
+    TopUpBandwidthResponse,
+};
+use crate::{v2, v3, v4, v5};
+
+#[derive(Debug)]
+pub enum AuthenticatorResponse {
+    PendingRegistration(Box<dyn PendingRegistrationResponse + Send + Sync + 'static>),
+    Registered(Box<dyn RegisteredResponse + Send + Sync + 'static>),
+    RemainingBandwidth(Box<dyn RemainingBandwidthResponse + Send + Sync + 'static>),
+    TopUpBandwidth(Box<dyn TopUpBandwidthResponse + Send + Sync + 'static>),
+}
+
+impl Id for AuthenticatorResponse {
+    fn id(&self) -> u64 {
+        match self {
+            AuthenticatorResponse::PendingRegistration(pending_registration_response) => {
+                pending_registration_response.id()
+            }
+            AuthenticatorResponse::Registered(registered_response) => registered_response.id(),
+            AuthenticatorResponse::RemainingBandwidth(remaining_bandwidth_response) => {
+                remaining_bandwidth_response.id()
+            }
+            AuthenticatorResponse::TopUpBandwidth(top_up_bandwidth_response) => {
+                top_up_bandwidth_response.id()
+            }
+        }
+    }
+}
+
+impl From<v2::response::AuthenticatorResponse> for AuthenticatorResponse {
+    fn from(value: v2::response::AuthenticatorResponse) -> Self {
+        match value.data {
+            v2::response::AuthenticatorResponseData::PendingRegistration(
+                pending_registration_response,
+            ) => Self::PendingRegistration(Box::new(pending_registration_response)),
+            v2::response::AuthenticatorResponseData::Registered(registered_response) => {
+                Self::Registered(Box::new(registered_response))
+            }
+            v2::response::AuthenticatorResponseData::RemainingBandwidth(
+                remaining_bandwidth_response,
+            ) => Self::RemainingBandwidth(Box::new(remaining_bandwidth_response)),
+        }
+    }
+}
+
+impl From<v3::response::AuthenticatorResponse> for AuthenticatorResponse {
+    fn from(value: v3::response::AuthenticatorResponse) -> Self {
+        match value.data {
+            v3::response::AuthenticatorResponseData::PendingRegistration(
+                pending_registration_response,
+            ) => Self::PendingRegistration(Box::new(pending_registration_response)),
+            v3::response::AuthenticatorResponseData::Registered(registered_response) => {
+                Self::Registered(Box::new(registered_response))
+            }
+            v3::response::AuthenticatorResponseData::RemainingBandwidth(
+                remaining_bandwidth_response,
+            ) => Self::RemainingBandwidth(Box::new(remaining_bandwidth_response)),
+            v3::response::AuthenticatorResponseData::TopUpBandwidth(top_up_bandwidth_response) => {
+                Self::TopUpBandwidth(Box::new(top_up_bandwidth_response))
+            }
+        }
+    }
+}
+
+impl From<v4::response::AuthenticatorResponse> for AuthenticatorResponse {
+    fn from(value: v4::response::AuthenticatorResponse) -> Self {
+        match value.data {
+            v4::response::AuthenticatorResponseData::PendingRegistration(
+                pending_registration_response,
+            ) => Self::PendingRegistration(Box::new(pending_registration_response)),
+            v4::response::AuthenticatorResponseData::Registered(registered_response) => {
+                Self::Registered(Box::new(registered_response))
+            }
+            v4::response::AuthenticatorResponseData::RemainingBandwidth(
+                remaining_bandwidth_response,
+            ) => Self::RemainingBandwidth(Box::new(remaining_bandwidth_response)),
+            v4::response::AuthenticatorResponseData::TopUpBandwidth(top_up_bandwidth_response) => {
+                Self::TopUpBandwidth(Box::new(top_up_bandwidth_response))
+            }
+        }
+    }
+}
+
+impl From<v5::response::AuthenticatorResponse> for AuthenticatorResponse {
+    fn from(value: v5::response::AuthenticatorResponse) -> Self {
+        match value.data {
+            v5::response::AuthenticatorResponseData::PendingRegistration(
+                pending_registration_response,
+            ) => Self::PendingRegistration(Box::new(pending_registration_response)),
+            v5::response::AuthenticatorResponseData::Registered(registered_response) => {
+                Self::Registered(Box::new(registered_response))
+            }
+            v5::response::AuthenticatorResponseData::RemainingBandwidth(
+                remaining_bandwidth_response,
+            ) => Self::RemainingBandwidth(Box::new(remaining_bandwidth_response)),
+            v5::response::AuthenticatorResponseData::TopUpBandwidth(top_up_bandwidth_response) => {
+                Self::TopUpBandwidth(Box::new(top_up_bandwidth_response))
+            }
+        }
+    }
+}
@@ -1,49 +1,105 @@
 // Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

+use std::fmt;
+use std::net::{Ipv4Addr, Ipv6Addr};
+
 use nym_credentials_interface::CredentialSpendingData;
 use nym_crypto::asymmetric::x25519::PrivateKey;
-use nym_service_provider_requests_common::{Protocol, ServiceProviderType};
-use nym_sphinx::addressing::clients::Recipient;
 use nym_wireguard_types::PeerPublicKey;

-use crate::{
-    v1, v2, v3, v4,
-    v5::{self, registration::IpPair},
-    Error,
-};
+use crate::latest::registration::IpPair;
+use crate::{AuthenticatorVersion, Error, v1, v2, v3, v4, v5};

-#[derive(Copy, Clone, Debug)]
-pub enum AuthenticatorVersion {
-    V1,
-    V2,
-    V3,
-    V4,
-    V5,
-    UNKNOWN,
+pub trait Versionable {
+    fn version(&self) -> AuthenticatorVersion;
 }

-impl From<Protocol> for AuthenticatorVersion {
-    fn from(value: Protocol) -> Self {
-        if value.service_provider_type != ServiceProviderType::Authenticator {
-            AuthenticatorVersion::UNKNOWN
-        } else if value.version == v1::VERSION {
-            AuthenticatorVersion::V1
-        } else if value.version == v2::VERSION {
-            AuthenticatorVersion::V2
-        } else if value.version == v3::VERSION {
-            AuthenticatorVersion::V3
-        } else if value.version == v4::VERSION {
-            AuthenticatorVersion::V4
-        } else if value.version == v5::VERSION {
-            AuthenticatorVersion::V5
-        } else {
-            AuthenticatorVersion::UNKNOWN
-        }
+impl Versionable for v1::GatewayClient {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V1
    }
 }

-pub trait InitMessage {
+impl Versionable for v1::registration::InitMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V1
+    }
+}
+
+impl Versionable for v2::registration::InitMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V2
+    }
+}
+
+impl Versionable for v3::registration::InitMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V3
+    }
+}
+
+impl Versionable for v4::registration::InitMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V4
+    }
+}
+
+impl Versionable for v5::registration::InitMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V5
+    }
+}
+
+impl Versionable for v2::registration::FinalMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V2
+    }
+}
+
+impl Versionable for v3::registration::FinalMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V3
+    }
+}
+
+impl Versionable for v4::registration::FinalMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V4
+    }
+}
+
+impl Versionable for v5::registration::FinalMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V5
+    }
+}
+
+impl Versionable for PeerPublicKey {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V3
+    }
+}
+
+impl Versionable for v3::topup::TopUpMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V3
+    }
+}
+
+impl Versionable for v4::topup::TopUpMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V4
+    }
+}
+
+impl Versionable for v5::topup::TopUpMessage {
+    fn version(&self) -> AuthenticatorVersion {
+        AuthenticatorVersion::V5
+    }
+}
+
+pub trait InitMessage: Versionable + fmt::Debug {
    fn pub_key(&self) -> PeerPublicKey;
 }

@@ -77,15 +133,18 @@ impl InitMessage for v5::registration::InitMessage {
    }
 }

-pub trait FinalMessage {
-    fn pub_key(&self) -> PeerPublicKey;
+pub trait FinalMessage: Versionable + fmt::Debug {
+    fn gateway_client_pub_key(&self) -> PeerPublicKey;
    fn verify(&self, private_key: &PrivateKey, nonce: u64) -> Result<(), Error>;
    fn private_ips(&self) -> IpPair;
+    fn gateway_client_ipv4(&self) -> Option<Ipv4Addr>;
+    fn gateway_client_ipv6(&self) -> Option<Ipv6Addr>;
+    fn gateway_client_mac(&self) -> Vec<u8>;
    fn credential(&self) -> Option<CredentialSpendingData>;
 }

 impl FinalMessage for v1::GatewayClient {
-    fn pub_key(&self) -> PeerPublicKey {
+    fn gateway_client_pub_key(&self) -> PeerPublicKey {
        self.pub_key
    }

@@ -97,13 +156,28 @@ impl FinalMessage for v1::GatewayClient {
        self.private_ip.into()
    }

+    fn gateway_client_ipv4(&self) -> Option<Ipv4Addr> {
+        match self.private_ip {
+            std::net::IpAddr::V4(ipv4_addr) => Some(ipv4_addr),
+            std::net::IpAddr::V6(_) => None,
+        }
+    }
+
+    fn gateway_client_ipv6(&self) -> Option<Ipv6Addr> {
+        None
+    }
+
+    fn gateway_client_mac(&self) -> Vec<u8> {
+        self.mac.to_vec()
+    }
+
    fn credential(&self) -> Option<CredentialSpendingData> {
        None
    }
 }

 impl FinalMessage for v2::registration::FinalMessage {
-    fn pub_key(&self) -> PeerPublicKey {
+    fn gateway_client_pub_key(&self) -> PeerPublicKey {
        self.gateway_client.pub_key
    }

@@ -115,13 +189,28 @@ impl FinalMessage for v2::registration::FinalMessage {
        self.gateway_client.private_ip.into()
    }

+    fn gateway_client_ipv4(&self) -> Option<Ipv4Addr> {
+        match self.gateway_client.private_ip {
+            std::net::IpAddr::V4(ipv4_addr) => Some(ipv4_addr),
+            std::net::IpAddr::V6(_) => None,
+        }
+    }
+
+    fn gateway_client_ipv6(&self) -> Option<Ipv6Addr> {
+        None
+    }
+
+    fn gateway_client_mac(&self) -> Vec<u8> {
+        self.gateway_client.mac.to_vec()
+    }
+
    fn credential(&self) -> Option<CredentialSpendingData> {
        self.credential.clone()
    }
 }

 impl FinalMessage for v3::registration::FinalMessage {
-    fn pub_key(&self) -> PeerPublicKey {
+    fn gateway_client_pub_key(&self) -> PeerPublicKey {
        self.gateway_client.pub_key
    }

@@ -133,13 +222,28 @@ impl FinalMessage for v3::registration::FinalMessage {
        self.gateway_client.private_ip.into()
    }

+    fn gateway_client_ipv4(&self) -> Option<Ipv4Addr> {
+        match self.gateway_client.private_ip {
+            std::net::IpAddr::V4(ipv4_addr) => Some(ipv4_addr),
+            std::net::IpAddr::V6(_) => None,
+        }
+    }
+
+    fn gateway_client_ipv6(&self) -> Option<Ipv6Addr> {
+        None
+    }
+
+    fn gateway_client_mac(&self) -> Vec<u8> {
+        self.gateway_client.mac.to_vec()
+    }
+
    fn credential(&self) -> Option<CredentialSpendingData> {
        self.credential.clone()
    }
 }

 impl FinalMessage for v4::registration::FinalMessage {
-    fn pub_key(&self) -> PeerPublicKey {
+    fn gateway_client_pub_key(&self) -> PeerPublicKey {
        self.gateway_client.pub_key
    }

@@ -151,13 +255,25 @@ impl FinalMessage for v4::registration::FinalMessage {
        self.gateway_client.private_ips.into()
    }

+    fn gateway_client_ipv4(&self) -> Option<Ipv4Addr> {
+        Some(self.gateway_client.private_ips.ipv4)
+    }
+
+    fn gateway_client_ipv6(&self) -> Option<Ipv6Addr> {
+        Some(self.gateway_client.private_ips.ipv6)
+    }
+
+    fn gateway_client_mac(&self) -> Vec<u8> {
+        self.gateway_client.mac.to_vec()
+    }
+
    fn credential(&self) -> Option<CredentialSpendingData> {
        self.credential.clone()
    }
 }

 impl FinalMessage for v5::registration::FinalMessage {
-    fn pub_key(&self) -> PeerPublicKey {
+    fn gateway_client_pub_key(&self) -> PeerPublicKey {
        self.gateway_client.pub_key
    }

@@ -169,12 +285,24 @@ impl FinalMessage for v5::registration::FinalMessage {
        self.gateway_client.private_ips
    }

+    fn gateway_client_ipv4(&self) -> Option<Ipv4Addr> {
+        Some(self.gateway_client.private_ips.ipv4)
+    }
+
+    fn gateway_client_ipv6(&self) -> Option<Ipv6Addr> {
+        Some(self.gateway_client.private_ips.ipv6)
+    }
+
+    fn gateway_client_mac(&self) -> Vec<u8> {
+        self.gateway_client.mac.to_vec()
+    }
+
    fn credential(&self) -> Option<CredentialSpendingData> {
        self.credential.clone()
    }
 }

-pub trait QueryBandwidthMessage {
+pub trait QueryBandwidthMessage: Versionable + fmt::Debug {
    fn pub_key(&self) -> PeerPublicKey;
 }

@@ -184,7 +312,7 @@ impl QueryBandwidthMessage for PeerPublicKey {
    }
 }

-pub trait TopUpMessage {
+pub trait TopUpMessage: Versionable + fmt::Debug {
    fn pub_key(&self) -> PeerPublicKey;
    fn credential(&self) -> CredentialSpendingData;
 }
@@ -219,197 +347,286 @@ impl TopUpMessage for v5::topup::TopUpMessage {
    }
 }

-pub enum AuthenticatorRequest {
-    Initial {
-        msg: Box<dyn InitMessage + Send + Sync + 'static>,
-        protocol: Protocol,
-        reply_to: Option<Recipient>,
-        request_id: u64,
-    },
-    Final {
-        msg: Box<dyn FinalMessage + Send + Sync + 'static>,
-        protocol: Protocol,
-        reply_to: Option<Recipient>,
-        request_id: u64,
-    },
-    QueryBandwidth {
-        msg: Box<dyn QueryBandwidthMessage + Send + Sync + 'static>,
-        protocol: Protocol,
-        reply_to: Option<Recipient>,
-        request_id: u64,
-    },
-    TopUpBandwidth {
-        msg: Box<dyn TopUpMessage + Send + Sync + 'static>,
-        protocol: Protocol,
-        reply_to: Option<Recipient>,
-        request_id: u64,
-    },
+pub trait Id {
+    fn id(&self) -> u64;
 }

-impl From<v1::request::AuthenticatorRequest> for AuthenticatorRequest {
-    fn from(value: v1::request::AuthenticatorRequest) -> Self {
-        match value.data {
-            v1::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
-                msg: Box::new(init_message),
-                protocol: Protocol {
-                    version: value.version,
-                    service_provider_type: ServiceProviderType::Authenticator,
-                },
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v1::request::AuthenticatorRequestData::Final(gateway_client) => Self::Final {
-                msg: Box::new(gateway_client),
-                protocol: Protocol {
-                    version: value.version,
-                    service_provider_type: ServiceProviderType::Authenticator,
-                },
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v1::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
-                Self::QueryBandwidth {
-                    msg: Box::new(peer_public_key),
-                    protocol: Protocol {
-                        version: value.version,
-                        service_provider_type: ServiceProviderType::Authenticator,
-                    },
-                    reply_to: Some(value.reply_to),
-                    request_id: value.request_id,
-                }
-            }
-        }
+impl Id for v2::response::PendingRegistrationResponse {
+    fn id(&self) -> u64 {
+        self.request_id
    }
 }

-impl From<v2::request::AuthenticatorRequest> for AuthenticatorRequest {
-    fn from(value: v2::request::AuthenticatorRequest) -> Self {
-        match value.data {
-            v2::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
-                msg: Box::new(init_message),
-                protocol: value.protocol,
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v2::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
-                msg: final_message,
-                protocol: value.protocol,
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v2::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
-                Self::QueryBandwidth {
-                    msg: Box::new(peer_public_key),
-                    protocol: value.protocol,
-                    reply_to: Some(value.reply_to),
-                    request_id: value.request_id,
-                }
-            }
-        }
+impl Id for v3::response::PendingRegistrationResponse {
+    fn id(&self) -> u64 {
+        self.request_id
    }
 }

-impl From<v3::request::AuthenticatorRequest> for AuthenticatorRequest {
-    fn from(value: v3::request::AuthenticatorRequest) -> Self {
-        match value.data {
-            v3::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
-                msg: Box::new(init_message),
-                protocol: value.protocol,
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v3::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
-                msg: final_message,
-                protocol: value.protocol,
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v3::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
-                Self::QueryBandwidth {
-                    msg: Box::new(peer_public_key),
-                    protocol: value.protocol,
-                    reply_to: Some(value.reply_to),
-                    request_id: value.request_id,
-                }
-            }
-            v3::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
-                Self::TopUpBandwidth {
-                    msg: top_up_message,
-                    protocol: value.protocol,
-                    reply_to: Some(value.reply_to),
-                    request_id: value.request_id,
-                }
-            }
-        }
+impl Id for v4::response::PendingRegistrationResponse {
+    fn id(&self) -> u64 {
+        self.request_id
    }
 }

-impl From<v4::request::AuthenticatorRequest> for AuthenticatorRequest {
-    fn from(value: v4::request::AuthenticatorRequest) -> Self {
-        match value.data {
-            v4::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
-                msg: Box::new(init_message),
-                protocol: value.protocol,
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v4::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
-                msg: final_message,
-                protocol: value.protocol,
-                reply_to: Some(value.reply_to),
-                request_id: value.request_id,
-            },
-            v4::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
-                Self::QueryBandwidth {
-                    msg: Box::new(peer_public_key),
-                    protocol: value.protocol,
-                    reply_to: Some(value.reply_to),
-                    request_id: value.request_id,
-                }
-            }
-            v4::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
-                Self::TopUpBandwidth {
-                    msg: top_up_message,
-                    protocol: value.protocol,
-                    reply_to: Some(value.reply_to),
-                    request_id: value.request_id,
-                }
-            }
-        }
+impl Id for v5::response::PendingRegistrationResponse {
+    fn id(&self) -> u64 {
+        self.request_id
    }
 }

-impl From<v5::request::AuthenticatorRequest> for AuthenticatorRequest {
-    fn from(value: v5::request::AuthenticatorRequest) -> Self {
-        match value.data {
-            v5::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
-                msg: Box::new(init_message),
-                protocol: value.protocol,
-                reply_to: None,
-                request_id: value.request_id,
-            },
-            v5::request::AuthenticatorRequestData::Final(final_message) => Self::Final {
-                msg: final_message,
-                protocol: value.protocol,
-                reply_to: None,
-                request_id: value.request_id,
-            },
-            v5::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
-                Self::QueryBandwidth {
-                    msg: Box::new(peer_public_key),
-                    protocol: value.protocol,
-                    reply_to: None,
-                    request_id: value.request_id,
-                }
-            }
-            v5::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
-                Self::TopUpBandwidth {
-                    msg: top_up_message,
-                    protocol: value.protocol,
-                    reply_to: None,
-                    request_id: value.request_id,
-                }
-            }
-        }
+impl Id for v2::response::RegisteredResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v3::response::RegisteredResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v4::response::RegisteredResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v5::response::RegisteredResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v2::response::RemainingBandwidthResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v3::response::RemainingBandwidthResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v4::response::RemainingBandwidthResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v5::response::RemainingBandwidthResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v3::response::TopUpBandwidthResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v4::response::TopUpBandwidthResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+impl Id for v5::response::TopUpBandwidthResponse {
+    fn id(&self) -> u64 {
+        self.request_id
+    }
+}
+
+pub trait PendingRegistrationResponse: Id + fmt::Debug {
+    fn nonce(&self) -> u64;
+    fn verify(&self, gateway_key: &PrivateKey) -> std::result::Result<(), Error>;
+    fn pub_key(&self) -> PeerPublicKey;
+    fn private_ips(&self) -> IpPair;
+}
+
+impl PendingRegistrationResponse for v2::response::PendingRegistrationResponse {
+    fn nonce(&self) -> u64 {
+        self.reply.nonce
+    }
+
+    fn verify(&self, gateway_key: &PrivateKey) -> std::result::Result<(), Error> {
+        self.reply.gateway_data.verify(gateway_key, self.nonce())
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.gateway_data.pub_key
+    }
+
+    fn private_ips(&self) -> IpPair {
+        self.reply.gateway_data.private_ip.into()
+    }
+}
+
+impl PendingRegistrationResponse for v3::response::PendingRegistrationResponse {
+    fn nonce(&self) -> u64 {
+        self.reply.nonce
+    }
+
+    fn verify(&self, gateway_key: &PrivateKey) -> std::result::Result<(), Error> {
+        self.reply.gateway_data.verify(gateway_key, self.nonce())
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.gateway_data.pub_key
+    }
+
+    fn private_ips(&self) -> IpPair {
+        self.reply.gateway_data.private_ip.into()
+    }
+}
+
+impl PendingRegistrationResponse for v4::response::PendingRegistrationResponse {
+    fn nonce(&self) -> u64 {
+        self.reply.nonce
+    }
+
+    fn verify(&self, gateway_key: &PrivateKey) -> std::result::Result<(), Error> {
+        self.reply.gateway_data.verify(gateway_key, self.nonce())
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.gateway_data.pub_key
+    }
+
+    fn private_ips(&self) -> IpPair {
+        self.reply.gateway_data.private_ips.into()
+    }
+}
+
+impl PendingRegistrationResponse for v5::response::PendingRegistrationResponse {
+    fn nonce(&self) -> u64 {
+        self.reply.nonce
+    }
+
+    fn verify(&self, gateway_key: &PrivateKey) -> std::result::Result<(), Error> {
+        self.reply.gateway_data.verify(gateway_key, self.nonce())
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.gateway_data.pub_key
+    }
+
+    fn private_ips(&self) -> IpPair {
+        self.reply.gateway_data.private_ips
+    }
+}
+
+pub trait RegisteredResponse: Id + fmt::Debug {
+    fn private_ips(&self) -> IpPair;
+    fn pub_key(&self) -> PeerPublicKey;
+    fn wg_port(&self) -> u16;
+}
+
+impl RegisteredResponse for v2::response::RegisteredResponse {
+    fn private_ips(&self) -> IpPair {
+        self.reply.private_ip.into()
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.pub_key
+    }
+
+    fn wg_port(&self) -> u16 {
+        self.reply.wg_port
+    }
+}
+
+impl RegisteredResponse for v3::response::RegisteredResponse {
+    fn private_ips(&self) -> IpPair {
+        self.reply.private_ip.into()
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.pub_key
+    }
+
+    fn wg_port(&self) -> u16 {
+        self.reply.wg_port
+    }
+}
+impl RegisteredResponse for v4::response::RegisteredResponse {
+    fn private_ips(&self) -> IpPair {
+        self.reply.private_ips.into()
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.pub_key
+    }
+
+    fn wg_port(&self) -> u16 {
+        self.reply.wg_port
+    }
+}
+
+impl RegisteredResponse for v5::response::RegisteredResponse {
+    fn private_ips(&self) -> IpPair {
+        self.reply.private_ips
+    }
+
+    fn pub_key(&self) -> PeerPublicKey {
+        self.reply.pub_key
+    }
+
+    fn wg_port(&self) -> u16 {
+        self.reply.wg_port
+    }
+}
+
+pub trait RemainingBandwidthResponse: Id + fmt::Debug {
+    fn available_bandwidth(&self) -> Option<i64>;
+}
+
+impl RemainingBandwidthResponse for v2::response::RemainingBandwidthResponse {
+    fn available_bandwidth(&self) -> Option<i64> {
+        self.reply.as_ref().map(|r| r.available_bandwidth)
+    }
+}
+
+impl RemainingBandwidthResponse for v3::response::RemainingBandwidthResponse {
+    fn available_bandwidth(&self) -> Option<i64> {
+        self.reply.as_ref().map(|r| r.available_bandwidth)
+    }
+}
+
+impl RemainingBandwidthResponse for v4::response::RemainingBandwidthResponse {
+    fn available_bandwidth(&self) -> Option<i64> {
+        self.reply.as_ref().map(|r| r.available_bandwidth)
+    }
+}
+
+impl RemainingBandwidthResponse for v5::response::RemainingBandwidthResponse {
+    fn available_bandwidth(&self) -> Option<i64> {
+        self.reply.as_ref().map(|r| r.available_bandwidth)
+    }
+}
+
+pub trait TopUpBandwidthResponse: Id + fmt::Debug {
+    fn available_bandwidth(&self) -> i64;
+}
+
+impl TopUpBandwidthResponse for v3::response::TopUpBandwidthResponse {
+    fn available_bandwidth(&self) -> i64 {
+        self.reply.available_bandwidth
+    }
+}
+
+impl TopUpBandwidthResponse for v4::response::TopUpBandwidthResponse {
+    fn available_bandwidth(&self) -> i64 {
+        self.reply.available_bandwidth
+    }
+}
+
+impl TopUpBandwidthResponse for v5::response::TopUpBandwidthResponse {
+    fn available_bandwidth(&self) -> i64 {
+        self.reply.available_bandwidth
    }
 }
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::error::Error;
-use base64::{engine::general_purpose, Engine};
+use base64::{Engine, engine::general_purpose};
 use nym_wireguard_types::PeerPublicKey;
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::error::Error;
-use base64::{engine::general_purpose, Engine};
+use base64::{Engine, engine::general_purpose};
 use nym_credentials_interface::CredentialSpendingData;
 use nym_wireguard_types::PeerPublicKey;
 use serde::{Deserialize, Serialize};
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::error::Error;
-use base64::{engine::general_purpose, Engine};
+use base64::{Engine, engine::general_purpose};
 use nym_credentials_interface::CredentialSpendingData;
 use nym_wireguard_types::PeerPublicKey;
 use serde::{Deserialize, Serialize};
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::error::Error;
-use base64::{engine::general_purpose, Engine};
+use base64::{Engine, engine::general_purpose};
 use nym_credentials_interface::CredentialSpendingData;
 use nym_network_defaults::constants::{WG_TUN_DEVICE_IP_ADDRESS_V4, WG_TUN_DEVICE_IP_ADDRESS_V6};
 use nym_wireguard_types::PeerPublicKey;
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::error::Error;
-use base64::{engine::general_purpose, Engine};
+use base64::{Engine, engine::general_purpose};
 use nym_credentials_interface::CredentialSpendingData;
 use nym_network_defaults::constants::{WG_TUN_DEVICE_IP_ADDRESS_V4, WG_TUN_DEVICE_IP_ADDRESS_V6};
 use nym_wireguard_types::PeerPublicKey;
@@ -28,8 +28,6 @@ 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
-
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
 pub struct IpPair {
    pub ipv4: Ipv4Addr,
@@ -0,0 +1,195 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use super::{v1, v2, v3, v4, v5};
+use nym_service_provider_requests_common::{Protocol, ServiceProviderType};
+
+#[derive(Copy, Clone, Debug, PartialEq, strum_macros::Display)]
+#[strum(serialize_all = "snake_case")]
+pub enum AuthenticatorVersion {
+    /// introduced in wispa release (1.1.5)
+    V1,
+
+    /// introduced in aero release (1.1.9)
+    V2,
+
+    /// introduced in magura release (1.1.10)
+    V3,
+
+    /// introduced in crunch release (1.2.0)
+    V4,
+
+    /// introduced in dorina-patched release (1.6.1)
+    V5,
+
+    UNKNOWN,
+}
+
+impl AuthenticatorVersion {
+    pub const LATEST: Self = Self::V5;
+
+    pub const fn release_version(&self) -> semver::Version {
+        match self {
+            AuthenticatorVersion::V1 => semver::Version::new(1, 1, 5),
+            AuthenticatorVersion::V2 => semver::Version::new(1, 1, 9),
+            AuthenticatorVersion::V3 => semver::Version::new(1, 1, 10),
+            AuthenticatorVersion::V4 => semver::Version::new(1, 2, 0),
+            AuthenticatorVersion::V5 => semver::Version::new(1, 6, 1),
+            AuthenticatorVersion::UNKNOWN => semver::Version::new(0, 0, 0),
+        }
+    }
+}
+
+impl From<Protocol> for AuthenticatorVersion {
+    fn from(value: Protocol) -> Self {
+        if value.service_provider_type != ServiceProviderType::Authenticator {
+            AuthenticatorVersion::UNKNOWN
+        } else if value.version == v1::VERSION {
+            AuthenticatorVersion::V1
+        } else if value.version == v2::VERSION {
+            AuthenticatorVersion::V2
+        } else if value.version == v3::VERSION {
+            AuthenticatorVersion::V3
+        } else if value.version == v4::VERSION {
+            AuthenticatorVersion::V4
+        } else if value.version == v5::VERSION {
+            AuthenticatorVersion::V5
+        } else {
+            AuthenticatorVersion::UNKNOWN
+        }
+    }
+}
+
+impl From<u8> for AuthenticatorVersion {
+    fn from(value: u8) -> Self {
+        if value == v1::VERSION {
+            AuthenticatorVersion::V1
+        } else if value == v2::VERSION {
+            AuthenticatorVersion::V2
+        } else if value == v3::VERSION {
+            AuthenticatorVersion::V3
+        } else if value == v4::VERSION {
+            AuthenticatorVersion::V4
+        } else if value == v5::VERSION {
+            AuthenticatorVersion::V5
+        } else {
+            AuthenticatorVersion::UNKNOWN
+        }
+    }
+}
+
+impl From<&str> for AuthenticatorVersion {
+    fn from(value: &str) -> Self {
+        let Ok(semver) = semver::Version::parse(value) else {
+            return Self::UNKNOWN;
+        };
+
+        semver.into()
+    }
+}
+
+impl From<Option<&String>> for AuthenticatorVersion {
+    fn from(value: Option<&String>) -> Self {
+        match value {
+            None => Self::UNKNOWN,
+            Some(value) => value.as_str().into(),
+        }
+    }
+}
+
+impl From<String> for AuthenticatorVersion {
+    fn from(value: String) -> Self {
+        Self::from(value.as_str())
+    }
+}
+
+impl From<Option<String>> for AuthenticatorVersion {
+    fn from(value: Option<String>) -> Self {
+        value.as_ref().into()
+    }
+}
+
+impl From<semver::Version> for AuthenticatorVersion {
+    fn from(semver: semver::Version) -> Self {
+        if semver < AuthenticatorVersion::V1.release_version() {
+            return Self::UNKNOWN;
+        }
+        if semver < AuthenticatorVersion::V2.release_version() {
+            return Self::V1;
+        }
+        if semver < AuthenticatorVersion::V3.release_version() {
+            return Self::V2;
+        }
+        if semver < AuthenticatorVersion::V4.release_version() {
+            return Self::V3;
+        }
+        if semver < AuthenticatorVersion::V5.release_version() {
+            return Self::V4;
+        }
+        // if provided version is higher (or equal) to release version of V5,
+        // we return the latest (i.e. v5)
+
+        debug_assert_eq!(
+            Self::V5,
+            Self::LATEST,
+            "a new AuthenticatorVersion variant has been introduced without adjusting the `From<semver::Version>` trait"
+        );
+        Self::LATEST
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::super::latest;
+    use super::*;
+
+    #[test]
+    fn strum_display() {
+        // sanity check on formatting and casing
+        assert_eq!("v1", AuthenticatorVersion::V1.to_string());
+        assert_eq!("v2", AuthenticatorVersion::V2.to_string());
+        assert_eq!("unknown", AuthenticatorVersion::UNKNOWN.to_string());
+    }
+
+    #[test]
+    fn u8_conversion() {
+        assert_eq!(AuthenticatorVersion::V1, AuthenticatorVersion::from(1u8));
+        assert_eq!(AuthenticatorVersion::V2, AuthenticatorVersion::from(2u8));
+
+        assert_eq!(
+            AuthenticatorVersion::UNKNOWN,
+            AuthenticatorVersion::from(latest::VERSION + 1)
+        );
+        assert_eq!(
+            AuthenticatorVersion::UNKNOWN,
+            AuthenticatorVersion::from(0u8)
+        );
+        assert_eq!(
+            AuthenticatorVersion::UNKNOWN,
+            AuthenticatorVersion::from(255u8)
+        );
+    }
+
+    #[test]
+    fn semver_checks() {
+        assert_eq!(AuthenticatorVersion::UNKNOWN, "1.1.4".into());
+        assert_eq!(AuthenticatorVersion::UNKNOWN, "0.1.0".into());
+        assert_eq!(AuthenticatorVersion::UNKNOWN, "1.0.4".into());
+        assert_eq!(AuthenticatorVersion::V1, "1.1.5".into());
+        assert_eq!(AuthenticatorVersion::V1, "1.1.6".into());
+        assert_eq!(AuthenticatorVersion::V1, "1.1.8".into());
+        assert_eq!(AuthenticatorVersion::V2, "1.1.9".into());
+        assert_eq!(AuthenticatorVersion::V3, "1.1.10".into());
+        assert_eq!(AuthenticatorVersion::V3, "1.1.11".into());
+        assert_eq!(AuthenticatorVersion::V3, "1.1.60".into());
+        assert_eq!(AuthenticatorVersion::V4, "1.2.0".into());
+        assert_eq!(AuthenticatorVersion::V4, "1.2.1".into());
+        assert_eq!(AuthenticatorVersion::V4, "1.5.1".into());
+        assert_eq!(AuthenticatorVersion::V4, "1.6.0".into());
+        assert_eq!(AuthenticatorVersion::V5, "1.6.1".into());
+        assert_eq!(AuthenticatorVersion::V5, "1.6.11".into());
+        assert_eq!(AuthenticatorVersion::V5, "1.7.0".into());
+        assert_eq!(AuthenticatorVersion::V5, "1.16.11".into());
+        assert_eq!(AuthenticatorVersion::V5, "1.17.0".into());
+    }
+}
@@ -7,6 +7,7 @@ license.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

 [dependencies]
+async-trait = { workspace =  true }
 bip39 = { workspace = true }
 log = { workspace = true }
 rand = { workspace = true }
@@ -11,7 +11,7 @@ impl std::fmt::Display for BandwidthStatusMessage {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            BandwidthStatusMessage::RemainingBandwidth(b) => {
-                write!(f, "remaining bandwidth: {}", b)
+                write!(f, "remaining bandwidth: {b}")
            }
            BandwidthStatusMessage::NoBandwidth => write!(f, "no bandwidth left"),
        }
@@ -23,10 +23,12 @@ use nym_validator_client::nym_api::EpochId;
 use nym_validator_client::nyxd::contract_traits::DkgQueryClient;

 pub use event::BandwidthStatusMessage;
+pub use traits::{BandwidthTicketProvider, DEFAULT_TICKETS_TO_SPEND};

 pub mod acquire;
 pub mod error;
 mod event;
+mod traits;
 mod utils;

 #[derive(Debug)]
@@ -0,0 +1,42 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use async_trait::async_trait;
+use nym_credential_storage::storage::Storage;
+use nym_credentials_interface::TicketType;
+use nym_crypto::asymmetric::ed25519;
+use nym_validator_client::nyxd::contract_traits::DkgQueryClient;
+
+use crate::{error::BandwidthControllerError, BandwidthController, PreparedCredential};
+
+pub const DEFAULT_TICKETS_TO_SPEND: u32 = 1;
+
+#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
+#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
+pub trait BandwidthTicketProvider: Send + Sync {
+    async fn get_ecash_ticket(
+        &self,
+        ticket_type: TicketType,
+        gateway_id: ed25519::PublicKey,
+        tickets_to_spend: u32,
+    ) -> Result<PreparedCredential, BandwidthControllerError>;
+}
+
+#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
+#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
+impl<C, St> BandwidthTicketProvider for BandwidthController<C, St>
+where
+    C: DkgQueryClient + Sync + Send,
+    St: nym_credential_storage::storage::Storage,
+    <St as Storage>::StorageError: Send + Sync + 'static,
+{
+    async fn get_ecash_ticket(
+        &self,
+        ticket_type: TicketType,
+        gateway_id: ed25519::PublicKey,
+        tickets_to_spend: u32,
+    ) -> Result<PreparedCredential, BandwidthControllerError> {
+        self.prepare_ecash_ticket(ticket_type, gateway_id.to_bytes(), tickets_to_spend)
+            .await
+    }
+}
@@ -13,7 +13,7 @@ use nym_credentials_interface::{
 };
 use nym_ecash_time::Date;
 use nym_validator_client::coconut::all_ecash_api_clients;
-use nym_validator_client::nym_api::EpochId;
+use nym_validator_client::nym_api::{EpochId, NymApiClientExt};
 use nym_validator_client::nyxd::contract_traits::DkgQueryClient;
 use nym_validator_client::EcashApiClient;
 use rand::prelude::SliceRandom;
@@ -207,7 +207,7 @@ where
    <St as Storage>::StorageError: Send + Sync + 'static,
 {
    if let Some(stored) = storage
-        .get_expiration_date_signatures(expiration_date)
+        .get_expiration_date_signatures(expiration_date, epoch_id)
        .await
        .map_err(BandwidthControllerError::credential_storage_error)?
    {
@@ -220,7 +220,7 @@ where
        ecash_apis,
        |api| async move {
            api.api_client
-                .global_expiration_date_signatures(Some(expiration_date))
+                .global_expiration_date_signatures(Some(expiration_date), Some(epoch_id))
                .await
        },
        format!("aggregated coin index signatures for date {expiration_date}"),
@@ -1,8 +1,8 @@
+use clap::Args;
 use clap::builder::Command;
 use clap::clap_derive::ValueEnum;
-use clap::Args;
-use clap_complete::generator::generate;
 use clap_complete::Shell as ClapShell;
+use clap_complete::generator::generate;
 use std::io;

 pub fn fig_generate(command: &mut Command, name: &str) {
@@ -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 = "1.85"
 license.workspace = true

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -13,10 +13,10 @@ async-trait = { workspace = true }
 base64 = { workspace = true }
 bs58 = { workspace = true }
 clap = { workspace = true, optional = true }
+cfg-if = { workspace = true }
 comfy-table = { workspace = true, optional = true }
 futures = { workspace = true }
-humantime-serde = { workspace = true }
-log = { workspace = true }
+humantime = { workspace = true }
 rand = { workspace = true }
 rand_chacha = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
@@ -25,20 +25,18 @@ sha2 = { workspace = true }
 si-scale = { workspace = true }
 thiserror = { workspace = true }
 url = { workspace = true, features = ["serde"] }
-tokio = { workspace = true, features = ["macros"] }
 time = { workspace = true }
+tokio = { workspace = true, features = ["sync", "macros"] }
 tracing = { workspace = true }
 zeroize = { workspace = true }

 # internal
 nym-id = { path = "../nym-id" }
 nym-bandwidth-controller = { path = "../bandwidth-controller" }
-nym-config = { path = "../config" }
 nym-crypto = { path = "../crypto" }
 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-http-api-client = { path = "../http-api-client", features = ["network-defaults"] }
 nym-nonexhaustive-delayqueue = { path = "../nonexhaustive-delayqueue" }
 nym-sphinx = { path = "../nymsphinx" }
 nym-statistics-common = { path = "../statistics" }
@@ -55,6 +53,7 @@ nym-client-core-config-types = { path = "./config-types", features = [
 nym-client-core-surb-storage = { path = "./surb-storage" }
 nym-client-core-gateways-storage = { path = "./gateways-storage" }
 nym-ecash-time = { path = "../ecash-time" }
+nym-mixnet-contract-common = { path = "../cosmwasm-smart-contracts/mixnet-contract" }

 [target."cfg(not(target_arch = \"wasm32\"))".dependencies]
 nym-mixnet-client = { path = "../client-libs/mixnet-client", default-features = false }
@@ -70,7 +69,6 @@ workspace = true
 [target."cfg(not(target_arch = \"wasm32\"))".dependencies.hyper-util]
 workspace = true
 features = ["tokio"]
-###

 [target."cfg(not(target_arch = \"wasm32\"))".dependencies.tokio-stream]
 workspace = true
@@ -104,7 +102,7 @@ workspace = true
 features = ["tokio"]

 [target."cfg(target_arch = \"wasm32\")".dependencies.gloo-timers]
-version = "0.3.0"
+workspace = true
 features = ["futures"]

 [target."cfg(target_arch = \"wasm32\")".dependencies.wasm-utils]
@@ -115,6 +113,10 @@ features = ["websocket"]
 workspace = true
 features = ["wasm-bindgen"]

+[target."cfg(target_arch = \"wasm32\")".dependencies.tokio_with_wasm]
+workspace = true
+features = ["full"]
+
 [dev-dependencies]
 tempfile = { workspace = true }

@@ -126,3 +128,6 @@ fs-surb-storage = ["nym-client-core-surb-storage/fs-surb-storage"]
 fs-gateways-storage = ["nym-client-core-gateways-storage/fs-gateways-storage"]
 wasm = ["nym-gateway-client/wasm"]
 metrics-server = []
+
+[lints]
+workspace = true
@@ -57,9 +57,7 @@ const DEFAULT_MAXIMUM_ALLOWED_SURB_REQUEST_SIZE: u32 = 500;

 const DEFAULT_MAXIMUM_REPLY_SURB_REREQUEST_WAITING_PERIOD: Duration = Duration::from_secs(10);
 const DEFAULT_MAXIMUM_REPLY_SURB_DROP_WAITING_PERIOD: Duration = Duration::from_secs(5 * 60);
-
-// 12 hours
-const DEFAULT_MAXIMUM_REPLY_SURB_AGE: Duration = Duration::from_secs(12 * 60 * 60);
+const DEFAULT_MAXIMUM_REPLY_SURB_REREQUESTS: usize = 5;

 // 24 hours
 const DEFAULT_MAXIMUM_REPLY_KEY_AGE: Duration = Duration::from_secs(24 * 60 * 60);
@@ -418,6 +416,9 @@ pub struct Traffic {
    /// will be routed as usual, to the entry gateway, through three mix nodes, egressing
    /// through the exit gateway. If mix hops are disabled, traffic will be routed directly
    /// from the entry gateway to the exit gateway, bypassing the mix nodes.
+    ///
+    /// This overrides the `use_legacy_sphinx_format` setting as reduced mix hops
+    /// requires use of the updated SURB packet format.
    pub disable_mix_hops: bool,
 }

@@ -625,10 +626,9 @@ pub struct ReplySurbs {
    #[serde(with = "humantime_serde")]
    pub maximum_reply_surb_drop_waiting_period: Duration,

-    /// Defines maximum amount of time given reply surb is going to be valid for.
-    /// This is going to be superseded by key rotation once implemented.
-    #[serde(with = "humantime_serde")]
-    pub maximum_reply_surb_age: Duration,
+    /// Defines maximum number of times the client is going to re-request reply surbs
+    /// for clearing pending messages before giving up after making no progress.
+    pub maximum_reply_surbs_rerequests: usize,

    /// Defines maximum amount of time given reply key is going to be valid for.
    /// This is going to be superseded by key rotation once implemented.
@@ -638,9 +638,6 @@ pub struct ReplySurbs {
    /// Specifies the number of mixnet hops the packet should go through. If not specified, then
    /// the default value is used.
    pub surb_mix_hops: Option<u8>,
-
-    /// Specifies if we should reset all the sender tags on startup
-    pub fresh_sender_tags: bool,
 }

 impl Default for ReplySurbs {
@@ -655,10 +652,9 @@ impl Default for ReplySurbs {
            maximum_reply_surb_rerequest_waiting_period:
                DEFAULT_MAXIMUM_REPLY_SURB_REREQUEST_WAITING_PERIOD,
            maximum_reply_surb_drop_waiting_period: DEFAULT_MAXIMUM_REPLY_SURB_DROP_WAITING_PERIOD,
-            maximum_reply_surb_age: DEFAULT_MAXIMUM_REPLY_SURB_AGE,
+            maximum_reply_surbs_rerequests: DEFAULT_MAXIMUM_REPLY_SURB_REREQUESTS,
            maximum_reply_key_age: DEFAULT_MAXIMUM_REPLY_KEY_AGE,
            surb_mix_hops: None,
-            fresh_sender_tags: false,
        }
    }
 }
@@ -711,13 +707,10 @@ pub struct DebugConfig {

    /// Defines all configuration options related to reply SURBs.
    pub reply_surbs: ReplySurbs,
-
    /// 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,
-
    /// Defines all configuration options related to the remember me flag.
    pub remember_me: RememberMe,
 }
@@ -189,14 +189,13 @@ impl From<ConfigV6> for Config {
                        .debug
                        .reply_surbs
                        .maximum_reply_surb_drop_waiting_period,
-                    maximum_reply_surb_age: value.debug.reply_surbs.maximum_reply_surb_age,
                    maximum_reply_key_age: value.debug.reply_surbs.maximum_reply_key_age,
                    surb_mix_hops: value.debug.reply_surbs.surb_mix_hops,
                    minimum_reply_surb_threshold_buffer: value
                        .debug
                        .reply_surbs
                        .minimum_reply_surb_threshold_buffer,
-                    fresh_sender_tags: value.debug.reply_surbs.fresh_sender_tags,
+                    ..Default::default()
                },
                stats_reporting: StatsReporting {
                    enabled: value.debug.stats_reporting.enabled,
@@ -544,10 +543,8 @@ pub struct DebugConfigV6 {

    /// Defines all configuration options related to reply SURBs.
    pub reply_surbs: ReplySurbsV6,
-
    /// Defines all configuration options related to stats reporting.
    pub stats_reporting: StatsReportingV6,
-
    /// Defines all configuration options related to the forget me flag.
    pub forget_me: ForgetMeV6,

@@ -3,17 +3,18 @@ name = "nym-client-core-gateways-storage"
 version = "0.1.0"
 edition = "2021"
 license.workspace = true
+rust-version.workspace = true

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

 [dependencies]
 async-trait.workspace = true
 cosmrs.workspace = true
-log.workspace = true
 serde = { workspace = true, features = ["derive"] }
 thiserror.workspace = true
 time.workspace = true
 tokio = { workspace = true, features = ["sync"] }
+tracing.workspace = true
 url.workspace = true
 zeroize = { workspace = true, features = ["zeroize_derive"] }

@@ -26,6 +27,7 @@ features = ["runtime-tokio-rustls", "sqlite", "macros", "migrate", "time"]
 optional = true

 [build-dependencies]
+anyhow = { workspace = true }
 tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }
 sqlx = { workspace = true, features = [
    "runtime-tokio-rustls",
@@ -2,23 +2,30 @@
 // SPDX-License-Identifier: Apache-2.0

 #[tokio::main]
-async fn main() {
+async fn main() -> anyhow::Result<()> {
    #[cfg(feature = "fs-gateways-storage")]
    {
+        use anyhow::Context;
        use sqlx::{Connection, SqliteConnection};
        use std::env;

-        let out_dir = env::var("OUT_DIR").unwrap();
+        let out_dir = env::var("OUT_DIR")?;
        let database_path = format!("{out_dir}/gateways-storage-example.sqlite");

+        // remove the db file if it already existed from previous build
+        // in case it was from a different branch
+        if std::fs::exists(&database_path)? {
+            std::fs::remove_file(&database_path)?;
+        }
+
        let mut conn = SqliteConnection::connect(&format!("sqlite://{database_path}?mode=rwc"))
            .await
-            .expect("Failed to create SQLx database connection");
+            .context("Failed to create SQLx database connection")?;

        sqlx::migrate!("./fs_gateways_migrations")
            .run(&mut conn)
            .await
-            .expect("Failed to perform SQLx migrations");
+            .context("Failed to perform SQLx migrations")?;

        #[cfg(target_family = "unix")]
        println!("cargo:rustc-env=DATABASE_URL=sqlite://{}", &database_path);
@@ -28,4 +35,6 @@ async fn main() {
        // not a valid windows path... but hey, it works...
        println!("cargo:rustc-env=DATABASE_URL=sqlite:///{}", &database_path);
    }
+
+    Ok(())
 }
@@ -2,8 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::BadGateway;
-use std::io;
-use std::path::PathBuf;
+use std::{io, path::PathBuf};
 use thiserror::Error;

 #[derive(Debug, Error)]
@@ -19,7 +18,6 @@ pub enum StorageError {

    #[error("failed to perform sqlx migration: {source}")]
    MigrationError {
-        #[source]
        #[from]
        source: sqlx::migrate::MigrateError,
    },
@@ -32,7 +30,6 @@ pub enum StorageError {

    #[error("failed to run the SQL query: {source}")]
    QueryError {
-        #[source]
        #[from]
        source: sqlx::error::Error,
    },
@@ -7,12 +7,12 @@ use crate::{
        RawActiveGateway, RawCustomGatewayDetails, RawRegisteredGateway, RawRemoteGatewayDetails,
    },
 };
-use log::{debug, error};
 use sqlx::{
    sqlite::{SqliteAutoVacuum, SqliteSynchronous},
    ConnectOptions,
 };
 use std::path::Path;
+use tracing::{debug, error};

 #[derive(Debug, Clone)]
 pub struct StorageManager {
@@ -31,7 +31,6 @@ impl StorageManager {
                }
            })?;
        }
-
        let opts = sqlx::sqlite::SqliteConnectOptions::new()
            .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal)
            .synchronous(SqliteSynchronous::Normal)
@@ -12,12 +12,12 @@ use crate::{
    error::ClientCoreError,
    init::types::{GatewaySelectionSpecification, GatewaySetup},
 };
-use log::info;
 use nym_client_core_gateways_storage::GatewayDetails;
 use nym_crypto::asymmetric::ed25519;
 use nym_topology::NymTopology;
 use nym_validator_client::UserAgent;
 use std::path::PathBuf;
+use tracing::info;

 #[cfg_attr(feature = "cli", derive(clap::Args))]
 #[derive(Debug, Clone)]
@@ -81,14 +81,14 @@ where

    // Attempt to use a user-provided gateway, if possible
    let user_chosen_gateway_id = common_args.gateway_id;
-    log::debug!("User chosen gateway id: {user_chosen_gateway_id:?}");
+    tracing::debug!("User chosen gateway id: {user_chosen_gateway_id:?}");

    let selection_spec = GatewaySelectionSpecification::new(
        user_chosen_gateway_id.map(|id| id.to_base58_string()),
        Some(common_args.latency_based_selection),
        common_args.force_tls_gateway,
    );
-    log::debug!("Gateway selection specification: {selection_spec:?}");
+    tracing::debug!("Gateway selection specification: {selection_spec:?}");

    let registered_gateways = get_all_registered_identities(&details_store).await?;

@@ -114,13 +114,12 @@ where
        })?;
        hardcoded_topology.entry_capable_nodes().cloned().collect()
    } else {
-        let mut rng = rand::thread_rng();
        crate::init::helpers::gateways_for_init(
-            &mut rng,
            &core.client.nym_api_urls,
            user_agent,
            core.debug.topology.minimum_gateway_performance,
            core.debug.topology.ignore_ingress_epoch_role,
+            None,
        )
        .await?
    };
@@ -58,6 +58,7 @@ where
        Some(data) => data,
        None => {
            // SAFETY: one of those arguments must have been set
+            #[allow(clippy::unwrap_used)]
            fs::read(common_args.signatures_path.unwrap())?
        }
    };
@@ -64,6 +64,7 @@ where
        Some(data) => data,
        None => {
            // SAFETY: one of those arguments must have been set
+            #[allow(clippy::unwrap_used)]
            fs::read(common_args.credential_path.unwrap())?
        }
    };
@@ -58,6 +58,7 @@ where
        Some(data) => data,
        None => {
            // SAFETY: one of those arguments must have been set
+            #[allow(clippy::unwrap_used)]
            fs::read(common_args.signatures_path.unwrap())?
        }
    };
@@ -58,6 +58,7 @@ where
        Some(data) => data,
        None => {
            // SAFETY: one of those arguments must have been set
+            #[allow(clippy::unwrap_used)]
            fs::read(common_args.key_path.unwrap())?
        }
    };
@@ -12,7 +12,6 @@ use crate::{
    },
    init::types::{GatewaySelectionSpecification, GatewaySetup, InitResults},
 };
-use log::info;
 use nym_client_core_gateways_storage::GatewayDetails;
 use nym_crypto::asymmetric::ed25519;
 use nym_sphinx::addressing::Recipient;
@@ -20,6 +19,7 @@ use nym_topology::NymTopology;
 use nym_validator_client::UserAgent;
 use rand::rngs::OsRng;
 use std::path::PathBuf;
+use tracing::info;

 // we can suppress this warning (as suggested by linter itself) since we're only using it in our own code
 #[allow(async_fn_in_trait)]
@@ -130,23 +130,23 @@ where

    // Attempt to use a user-provided gateway, if possible
    let user_chosen_gateway_id = common_args.gateway;
-    log::debug!("User chosen gateway id: {user_chosen_gateway_id:?}");
+    tracing::debug!("User chosen gateway id: {user_chosen_gateway_id:?}");

    let selection_spec = GatewaySelectionSpecification::new(
        user_chosen_gateway_id.map(|id| id.to_base58_string()),
        Some(common_args.latency_based_selection),
        common_args.force_tls_gateway,
    );
-    log::debug!("Gateway selection specification: {selection_spec:?}");
+    tracing::debug!("Gateway selection specification: {selection_spec:?}");

    // Load and potentially override config
-    log::debug!("Init arguments: {init_args:#?}");
+    tracing::debug!("Init arguments: {init_args:#?}");
    let config = C::construct_config(&init_args);
-    log::debug!("Constructed config: {config:#?}");
+    tracing::debug!("Constructed config: {config:#?}");
    let paths = config.common_paths();
    let core = config.core_config();

-    log::info!(
+    tracing::info!(
        "Using nym-api: {}",
        core.client
            .nym_api_urls
@@ -173,13 +173,12 @@ where
        })?;
        hardcoded_topology.entry_capable_nodes().cloned().collect()
    } else {
-        let mut rng = rand::thread_rng();
        crate::init::helpers::gateways_for_init(
-            &mut rng,
            &core.client.nym_api_urls,
            user_agent,
            core.debug.topology.minimum_gateway_performance,
            core.debug.topology.ignore_ingress_epoch_role,
+            None,
        )
        .await?
    };
@@ -7,17 +7,19 @@ use super::statistics_control::StatisticsControl;
 use crate::client::base_client::storage::helpers::store_client_keys;
 use crate::client::base_client::storage::MixnetClientStorage;
 use crate::client::cover_traffic_stream::LoopCoverTrafficStream;
+use crate::client::event_control::EventControl;
 use crate::client::inbound_messages::{InputMessage, InputMessageReceiver, InputMessageSender};
 use crate::client::key_manager::persistence::KeyStore;
 use crate::client::key_manager::ClientKeys;
 use crate::client::mix_traffic::transceiver::{GatewayReceiver, GatewayTransceiver, RemoteGateway};
-use crate::client::mix_traffic::{BatchMixMessageSender, MixTrafficController};
+use crate::client::mix_traffic::{BatchMixMessageSender, MixTrafficController, MixTrafficEvent};
 use crate::client::real_messages_control;
 use crate::client::real_messages_control::RealMessagesController;
 use crate::client::received_buffer::{
    ReceivedBufferRequestReceiver, ReceivedBufferRequestSender, ReceivedMessagesBufferController,
 };
 use crate::client::replies::reply_controller;
+use crate::client::replies::reply_controller::key_rotation_helpers::KeyRotationConfig;
 use crate::client::replies::reply_controller::{ReplyControllerReceiver, ReplyControllerSender};
 use crate::client::replies::reply_storage::{
    CombinedReplyStorage, PersistentReplyStorage, ReplyStorageBackend, SentReplyKeys,
@@ -26,15 +28,14 @@ use crate::client::topology_control::nym_api_provider::NymApiTopologyProvider;
 use crate::client::topology_control::{
    TopologyAccessor, TopologyRefresher, TopologyRefresherConfig,
 };
+use crate::config;
 use crate::config::{Config, DebugConfig};
 use crate::error::ClientCoreError;
 use crate::init::{
    setup_gateway,
    types::{GatewaySetup, InitialisationResult},
 };
-use crate::{config, spawn_future};
 use futures::channel::mpsc;
-use log::*;
 use nym_bandwidth_controller::BandwidthController;
 use nym_client_core_config_types::{ForgetMe, RememberMe};
 use nym_client_core_gateways_storage::{GatewayDetails, GatewaysDetailsStore};
@@ -48,23 +49,34 @@ use nym_gateway_client::{
 use nym_sphinx::acknowledgements::AckKey;
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::addressing::nodes::NodeIdentity;
-use nym_sphinx::params::PacketType;
 use nym_sphinx::receiver::{ReconstructedMessage, SphinxMessageReceiver};
 use nym_statistics_common::clients::ClientStatsSender;
 use nym_statistics_common::generate_client_stats_id;
 use nym_task::connections::{ConnectionCommandReceiver, ConnectionCommandSender, LaneQueueLengths};
-use nym_task::{TaskClient, TaskHandle};
+use nym_task::ShutdownTracker;
 use nym_topology::provider_trait::TopologyProvider;
 use nym_topology::HardcodedTopologyProvider;
+use nym_validator_client::nym_api::NymApiClientExt;
 use nym_validator_client::{nyxd::contract_traits::DkgQueryClient, UserAgent};
+use rand::prelude::SliceRandom;
 use rand::rngs::OsRng;
+use rand::thread_rng;
 use std::fmt::Debug;
 use std::os::raw::c_int as RawFd;
 use std::path::Path;
 use std::sync::Arc;
+use time::OffsetDateTime;
 use tokio::sync::mpsc::Sender;
 use url::Url;

+#[cfg(target_arch = "wasm32")]
+#[cfg(debug_assertions)]
+use wasm_utils::console_log;
+
+/// Default number of retries for Nym API requests when using network details with domain fronting.
+/// This allows the client to try alternative URLs if the primary endpoint is unavailable.
+const DEFAULT_NYM_API_RETRIES: usize = 3;
+
 #[cfg(all(
    not(target_arch = "wasm32"),
    feature = "fs-surb-storage",
@@ -75,10 +87,28 @@ pub mod non_wasm_helpers;
 pub mod helpers;
 pub mod storage;

+#[derive(Clone, Copy, Debug)]
+pub enum MixnetClientEvent {
+    Traffic(MixTrafficEvent),
+}
+
+pub type EventReceiver = mpsc::UnboundedReceiver<MixnetClientEvent>;
+#[derive(Clone)]
+pub struct EventSender(pub mpsc::UnboundedSender<MixnetClientEvent>);
+
+impl EventSender {
+    pub fn send(&self, event: MixnetClientEvent) {
+        if let Err(err) = self.0.unbounded_send(event) {
+            tracing::warn!("Failed to send error event. The caller event reader was closed: {err}");
+        }
+    }
+}
+
 #[derive(Clone)]
 pub struct ClientInput {
    pub connection_command_sender: ConnectionCommandSender,
    pub input_sender: InputMessageSender,
+    pub client_request_sender: ClientRequestSender,
 }

 impl ClientInput {
@@ -90,7 +120,6 @@ impl ClientInput {
    }
 }

-#[derive(Clone)]
 pub struct ClientOutput {
    pub received_buffer_request_sender: ReceivedBufferRequestSender,
 }
@@ -130,9 +159,11 @@ pub enum ClientInputStatus {
 }

 impl ClientInputStatus {
+    #[allow(clippy::panic)]
    pub fn register_producer(&mut self) -> ClientInput {
        match std::mem::replace(self, ClientInputStatus::Connected) {
            ClientInputStatus::AwaitingProducer { client_input } => client_input,
+            // critical failure implying misuse of software
            ClientInputStatus::Connected => panic!("producer was already registered before"),
        }
    }
@@ -144,9 +175,11 @@ pub enum ClientOutputStatus {
 }

 impl ClientOutputStatus {
+    #[allow(clippy::panic)]
    pub fn register_consumer(&mut self) -> ClientOutput {
        match std::mem::replace(self, ClientOutputStatus::Connected) {
            ClientOutputStatus::AwaitingConsumer { client_output } => client_output,
+            // critical failure implying misuse of software
            ClientOutputStatus::Connected => panic!("consumer was already registered before"),
        }
    }
@@ -183,10 +216,14 @@ pub struct BaseClientBuilder<C, S: MixnetClientStorage> {
    client_store: S,
    dkg_query_client: Option<C>,

+    // Optional API URLs for domain fronting support
+    nym_api_urls: Option<Vec<nym_network_defaults::ApiUrl>>,
+
    wait_for_gateway: bool,
    custom_topology_provider: Option<Box<dyn TopologyProvider + Send + Sync>>,
    custom_gateway_transceiver: Option<Box<dyn GatewayTransceiver + Send>>,
-    shutdown: Option<TaskClient>,
+    shutdown: Option<ShutdownTracker>,
+    event_tx: Option<EventSender>,
    user_agent: Option<UserAgent>,

    setup_method: GatewaySetup,
@@ -211,10 +248,12 @@ where
            config: base_config,
            client_store,
            dkg_query_client,
+            nym_api_urls: None,
            wait_for_gateway: false,
            custom_topology_provider: None,
            custom_gateway_transceiver: None,
            shutdown: None,
+            event_tx: None,
            user_agent: None,
            setup_method: GatewaySetup::MustLoad { gateway_id: None },
            #[cfg(unix)]
@@ -232,6 +271,16 @@ where
        self
    }

+    /// Set Nym API URLs for domain fronting support.
+    ///
+    /// When provided, the client will use these API URLs (which include front_hosts)
+    /// to construct HTTP clients with domain fronting enabled.
+    #[must_use]
+    pub fn with_nym_api_urls(mut self, nym_api_urls: Vec<nym_network_defaults::ApiUrl>) -> Self {
+        self.nym_api_urls = Some(nym_api_urls);
+        self
+    }
+
    #[must_use]
    pub fn with_forget_me(mut self, forget_me: &ForgetMe) -> Self {
        self.config.debug.forget_me = *forget_me;
@@ -272,11 +321,17 @@ where
    }

    #[must_use]
-    pub fn with_shutdown(mut self, shutdown: TaskClient) -> Self {
+    pub fn with_shutdown(mut self, shutdown: ShutdownTracker) -> Self {
        self.shutdown = Some(shutdown);
        self
    }

+    #[must_use]
+    pub fn with_event_tx(mut self, event_tx: EventSender) -> Self {
+        self.event_tx = Some(event_tx);
+        self
+    }
+
    #[must_use]
    pub fn with_user_agent(mut self, user_agent: UserAgent) -> Self {
        self.user_agent = Some(user_agent);
@@ -307,6 +362,18 @@ where
        details.client_address()
    }

+    fn start_event_control(
+        parent_event_tx: Option<EventSender>,
+        children_event_rx: EventReceiver,
+        shutdown_tracker: &ShutdownTracker,
+    ) {
+        let event_control = EventControl::new(parent_event_tx, children_event_rx);
+        shutdown_tracker.try_spawn_named_with_shutdown(
+            async move { event_control.run().await },
+            "EventControl",
+        );
+    }
+
    // future constantly pumping loop cover traffic at some specified average rate
    // the pumped traffic goes to the MixTrafficController
    fn start_cover_traffic_stream(
@@ -316,11 +383,11 @@ where
        topology_accessor: TopologyAccessor,
        mix_tx: BatchMixMessageSender,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) {
-        info!("Starting loop cover traffic stream...");
+        tracing::info!("Starting loop cover traffic stream...");

-        let stream = LoopCoverTrafficStream::new(
+        let mut stream = LoopCoverTrafficStream::new(
            ack_key,
            debug_config.acknowledgements.average_ack_delay,
            mix_tx,
@@ -329,15 +396,15 @@ where
            debug_config.traffic,
            debug_config.cover_traffic,
            stats_tx,
-            task_client,
        );
-
-        stream.start();
+        shutdown_tracker
+            .try_spawn_named_with_shutdown(async move { stream.run().await }, "CoverTrafficStream");
    }

    #[allow(clippy::too_many_arguments)]
    fn start_real_traffic_controller(
        controller_config: real_messages_control::Config,
+        key_rotation_config: KeyRotationConfig,
        topology_accessor: TopologyAccessor,
        ack_receiver: AcknowledgementReceiver,
        input_receiver: InputMessageReceiver,
@@ -347,14 +414,14 @@ where
        reply_controller_receiver: ReplyControllerReceiver,
        lane_queue_lengths: LaneQueueLengths,
        client_connection_rx: ConnectionCommandReceiver,
-        task_client: TaskClient,
-        packet_type: PacketType,
        stats_tx: ClientStatsSender,
+        shutdown_tracker: &ShutdownTracker,
    ) {
-        info!("Starting real traffic stream...");
+        tracing::info!("Starting real traffic stream...");

-        RealMessagesController::new(
+        let real_messages_controller = RealMessagesController::new(
            controller_config,
+            key_rotation_config,
            ack_receiver,
            input_receiver,
            mix_sender,
@@ -365,9 +432,63 @@ where
            lane_queue_lengths,
            client_connection_rx,
            stats_tx,
-            task_client,
-        )
-        .start(packet_type);
+            shutdown_tracker.clone_shutdown_token(),
+        );
+
+        // break out all the subtasks
+        let (mut out_queue_control, mut reply_controller, ack_controller) =
+            real_messages_controller.into_tasks();
+        let (
+            mut ack_listener,
+            mut input_listener,
+            mut retransmission_listener,
+            mut sent_notification_listener,
+            mut ack_action_controller,
+        ) = ack_controller.into_tasks();
+
+        shutdown_tracker.try_spawn_named(
+            async move { out_queue_control.run().await },
+            "RealMessagesController::OutQueueControl",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { reply_controller.run(shutdown_token).await },
+            "RealMessagesController::ReplyController",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { ack_listener.run(shutdown_token).await },
+            "AcknowledgementController::AcknowledgementListener",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { input_listener.run(shutdown_token).await },
+            "AcknowledgementController::InputMessageListener",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { retransmission_listener.run(shutdown_token).await },
+            "AcknowledgementController::RetransmissionRequestListener",
+        );
+
+        shutdown_tracker.try_spawn_named_with_shutdown(
+            async move {
+                sent_notification_listener.run().await;
+            },
+            "AcknowledgementController::SentNotificationListener",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { ack_action_controller.run(shutdown_token).await },
+            "AcknowledgementController::ActionController",
+        );
+
+        // .start(packet_type);
    }

    // buffer controlling all messages fetched from provider
@@ -378,21 +499,29 @@ where
        mixnet_receiver: MixnetMessageReceiver,
        reply_key_storage: SentReplyKeys,
        reply_controller_sender: ReplyControllerSender,
-        shutdown: TaskClient,
        metrics_reporter: ClientStatsSender,
+        shutdown_tracker: &ShutdownTracker,
    ) {
-        info!("Starting received messages buffer controller...");
-        let controller: ReceivedMessagesBufferController<SphinxMessageReceiver> =
-            ReceivedMessagesBufferController::new(
-                local_encryption_keypair,
-                query_receiver,
-                mixnet_receiver,
-                reply_key_storage,
-                reply_controller_sender,
-                metrics_reporter,
-                shutdown,
-            );
-        controller.start()
+        tracing::info!("Starting received messages buffer controller...");
+        let controller = ReceivedMessagesBufferController::<SphinxMessageReceiver>::new(
+            local_encryption_keypair,
+            query_receiver,
+            mixnet_receiver,
+            reply_key_storage,
+            reply_controller_sender,
+            metrics_reporter,
+            shutdown_tracker.clone_shutdown_token(),
+        );
+        let (mut msg_receiver, mut req_receiver) = controller.into_tasks();
+
+        shutdown_tracker.try_spawn_named(
+            async move { msg_receiver.run().await },
+            "ReceivedMessagesBufferController::FragmentedMessageReceiver",
+        );
+        shutdown_tracker.try_spawn_named(
+            async move { req_receiver.run().await },
+            "ReceivedMessagesBufferController::RequestReceiver",
+        );
    }

    #[allow(clippy::too_many_arguments)]
@@ -404,7 +533,7 @@ where
        packet_router: PacketRouter,
        stats_reporter: ClientStatsSender,
        #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
-        shutdown: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> Result<GatewayClient<C, S::CredentialStore>, ClientCoreError>
    where
        <S::KeyStore as KeyStore>::StorageError: Send + Sync + 'static,
@@ -423,7 +552,7 @@ where
                    packet_router,
                    bandwidth_controller,
                    stats_reporter,
-                    shutdown,
+                    shutdown_tracker.clone_shutdown_token(),
                )
            } else {
                let cfg = GatewayConfig::new(
@@ -448,12 +577,12 @@ where
                    stats_reporter,
                    #[cfg(unix)]
                    connection_fd_callback,
-                    shutdown,
+                    shutdown_tracker.clone_shutdown_token(),
                )
            };

        let gateway_failure = |err| {
-            log::error!("Could not authenticate and start up the gateway connection - {err}");
+            tracing::error!("Could not authenticate and start up the gateway connection - {err}");
            ClientCoreError::GatewayClientError {
                gateway_id: details.gateway_id.to_base58_string(),
                source: Box::new(err),
@@ -484,7 +613,7 @@ 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}");
+                tracing::error!("failed to store upgraded gateway key! this connection might be forever broken now: {err}");
                ClientCoreError::GatewaysDetailsStoreError { source: Box::new(err) }
            })?
        }
@@ -511,7 +640,7 @@ where
        packet_router: PacketRouter,
        stats_reporter: ClientStatsSender,
        #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
-        mut shutdown: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> Result<Box<dyn GatewayTransceiver + Send>, ClientCoreError>
    where
        <S::KeyStore as KeyStore>::StorageError: Send + Sync + 'static,
@@ -528,7 +657,6 @@ where
                Err(ClientCoreError::CustomGatewaySelectionExpected)
            } else {
                // and make sure to invalidate the task client, so we wouldn't cause premature shutdown
-                shutdown.disarm();
                custom_gateway_transceiver.set_packet_router(packet_router)?;
                Ok(custom_gateway_transceiver)
            };
@@ -544,7 +672,7 @@ where
            stats_reporter,
            #[cfg(unix)]
            connection_fd_callback,
-            shutdown,
+            shutdown_tracker,
        )
        .await?;

@@ -555,14 +683,14 @@ where
        custom_provider: Option<Box<dyn TopologyProvider + Send + Sync>>,
        config_topology: config::Topology,
        nym_api_urls: Vec<Url>,
-        user_agent: Option<UserAgent>,
+        nym_api_client: nym_http_api_client::Client,
    ) -> Box<dyn TopologyProvider + Send + Sync> {
        // if no custom provider was ... provided ..., create one using nym-api
        custom_provider.unwrap_or_else(|| {
            Box::new(NymApiTopologyProvider::new(
                config_topology,
                nym_api_urls,
-                user_agent,
+                nym_api_client,
            ))
        })
    }
@@ -575,30 +703,28 @@ where
        topology_accessor: TopologyAccessor,
        local_gateway: NodeIdentity,
        wait_for_gateway: bool,
-        mut task_client: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> 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();
+            tracing::info!("The background topology refresher is not going to be started");
        }

        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
-        info!("Obtaining initial network topology");
+        tracing::info!("Obtaining initial network topology");
        topology_refresher.try_refresh().await;

        if let Err(err) = topology_refresher.ensure_topology_is_routable().await {
-            log::error!(
+            tracing::error!(
                "The current network topology seem to be insufficient to route any packets through \
                - check if enough nodes and a gateway are online - source: {err}"
            );
@@ -620,13 +746,13 @@ where
                    .wait_for_gateway(local_gateway, waiting_timeout)
                    .await
                {
-                    error!(
+                    tracing::error!(
                        "the gateway did not come back online within the specified timeout: {err}"
                    );
                    return Err(err.into());
                }
            } else {
-                error!("the gateway we're supposedly connected to does not exist. We'll not be able to send any packets to ourselves: {err}");
+                tracing::error!("the gateway we're supposedly connected to does not exist. We'll not be able to send any packets to ourselves: {err}");
                return Err(err.into());
            }
        }
@@ -634,8 +760,11 @@ where
        if !topology_config.disable_refreshing {
            // 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();
+            tracing::info!("Starting topology refresher...");
+            shutdown_tracker.try_spawn_named_with_shutdown(
+                async move { topology_refresher.run().await },
+                "TopologyRefresher",
+            );
        }

        Ok(())
@@ -646,9 +775,9 @@ where
        user_agent: Option<UserAgent>,
        client_stats_id: String,
        input_sender: Sender<InputMessage>,
-        task_client: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> ClientStatsSender {
-        info!("Starting statistics control...");
+        tracing::info!("Starting statistics control...");
        StatisticsControl::create_and_start(
            config.debug.stats_reporting,
            user_agent
@@ -656,45 +785,71 @@ where
                .unwrap_or("unknown".to_string()),
            client_stats_id,
            input_sender.clone(),
-            task_client,
+            shutdown_tracker,
        )
    }

    fn start_mix_traffic_controller(
        gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
-        shutdown: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
+        event_tx: EventSender,
    ) -> (BatchMixMessageSender, ClientRequestSender) {
-        info!("Starting mix traffic controller...");
-        let (mix_traffic_controller, mix_tx, client_tx) =
-            MixTrafficController::new(gateway_transceiver, shutdown);
-        mix_traffic_controller.start();
+        tracing::info!("Starting mix traffic controller...");
+        let mut mix_traffic_controller = MixTrafficController::new(
+            gateway_transceiver,
+            shutdown_tracker.clone_shutdown_token(),
+            event_tx,
+        );
+
+        let mix_tx = mix_traffic_controller.mix_tx();
+        let client_tx = mix_traffic_controller.client_tx();
+
+        shutdown_tracker.try_spawn_named(
+            async move { mix_traffic_controller.run().await },
+            "MixTrafficController",
+        );
+
        (mix_tx, client_tx)
    }

    // TODO: rename it as it implies the data is persistent whilst one can use InMemBackend
    async fn setup_persistent_reply_storage(
        backend: S::ReplyStore,
-        shutdown: TaskClient,
+        key_rotation_config: KeyRotationConfig,
+        shutdown_tracker: &ShutdownTracker,
    ) -> Result<CombinedReplyStorage, ClientCoreError>
    where
        <S::ReplyStore as ReplyStorageBackend>::StorageError: Sync + Send,
        S::ReplyStore: Send + Sync,
    {
-        log::trace!("Setup persistent reply storage");
+        tracing::trace!("Setup persistent reply storage");
+        let now = OffsetDateTime::now_utc();
+        let expected_current_key_rotation_start =
+            key_rotation_config.expected_current_key_rotation_start(now);
+        // time of the start of one epoch BEFORE the CURRENT rotation has begun
+        // this indicates the starting time of when packets with the current keys might have been constructed
+        // (i.e. any surbs OLDER than that MUST BE invalid)
+        let prior_epoch_start =
+            expected_current_key_rotation_start - key_rotation_config.epoch_duration;
+
        let persistent_storage = PersistentReplyStorage::new(backend);
        let mem_store = persistent_storage
-            .load_state_from_backend()
+            .load_state_from_backend(prior_epoch_start)
            .await
            .map_err(|err| ClientCoreError::SurbStorageError {
                source: Box::new(err),
            })?;

        let store_clone = mem_store.clone();
-        spawn_future(async move {
-            persistent_storage
-                .flush_on_shutdown(store_clone, shutdown)
-                .await
-        });
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move {
+                persistent_storage
+                    .flush_on_shutdown(store_clone, shutdown_token)
+                    .await
+            },
+            "PersistentReplyStorage::flush_on_shutdown",
+        );

        Ok(mem_store)
    }
@@ -711,11 +866,11 @@ where
    {
        // if client keys do not exist already, create and persist them
        if key_store.load_keys().await.is_err() {
-            info!("could not find valid client keys - a new set will be generated");
+            tracing::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 {
                ClientKeys::from_master_key(&mut rng, &derivation_material)
-                    .map_err(|_| ClientCoreError::HkdfDerivationError {})?
+                    .map_err(|_| ClientCoreError::HkdfDerivationError)?
            } else {
                ClientKeys::generate_new(&mut rng)
            };
@@ -725,6 +880,77 @@ where
        setup_gateway(setup_method, key_store, details_store).await
    }

+    fn construct_nym_api_client(
+        nym_api_urls: Option<&Vec<nym_network_defaults::ApiUrl>>,
+        config: &Config,
+        user_agent: Option<UserAgent>,
+    ) -> Result<nym_http_api_client::Client, ClientCoreError> {
+        tracing::debug!(
+            "construct_nym_api_client called with nym_api_urls: {}",
+            nym_api_urls.is_some()
+        );
+
+        // If API URLs are provided, use new_with_fronted_urls() which handles domain fronting
+        if let Some(nym_api_urls) = nym_api_urls {
+            if nym_api_urls.is_empty() {
+                tracing::warn!("Provided nym_api_urls is empty, falling back to config endpoints");
+            } else {
+                tracing::info!(
+                    "Building nym-api client from provided URLs (with domain fronting support): {} URLs",
+                    nym_api_urls.len()
+                );
+
+                let mut builder =
+                    nym_http_api_client::ClientBuilder::new_with_fronted_urls(nym_api_urls.clone())
+                        .map_err(ClientCoreError::from)?
+                        .with_retries(DEFAULT_NYM_API_RETRIES);
+
+                if let Some(user_agent) = user_agent {
+                    builder = builder.with_user_agent(user_agent);
+                }
+
+                return builder.build().map_err(ClientCoreError::from);
+            }
+        }
+
+        // Fallback to basic client for backwards compatibility
+        tracing::debug!("Building basic nym-api HTTP client from config endpoints");
+
+        let mut nym_api_urls = config.get_nym_api_endpoints();
+        if nym_api_urls.is_empty() {
+            tracing::warn!("No API endpoints configured in config, this may cause issues");
+        }
+        nym_api_urls.shuffle(&mut thread_rng());
+
+        // Convert config URLs to ApiUrl format for consistency
+        let api_urls: Vec<nym_network_defaults::ApiUrl> = nym_api_urls
+            .into_iter()
+            .map(|url| nym_network_defaults::ApiUrl {
+                url: url.to_string(),
+                front_hosts: None,
+            })
+            .collect();
+
+        tracing::debug!("Using {} config API endpoints", api_urls.len());
+
+        let mut builder = nym_http_api_client::ClientBuilder::new_with_fronted_urls(api_urls)
+            .map_err(ClientCoreError::from)?
+            .with_retries(DEFAULT_NYM_API_RETRIES)
+            .with_bincode();
+
+        if let Some(user_agent) = user_agent {
+            builder = builder.with_user_agent(user_agent);
+        }
+
+        builder.build().map_err(ClientCoreError::from)
+    }
+
+    async fn determine_key_rotation_state(
+        client: &nym_http_api_client::Client,
+    ) -> Result<KeyRotationConfig, ClientCoreError> {
+        Ok(client.get_key_rotation_info().await?.into())
+    }
+
    pub async fn start_base(mut self) -> Result<BaseClient, ClientCoreError>
    where
        S::ReplyStore: Send + Sync,
@@ -733,7 +959,12 @@ where
        <S::CredentialStore as CredentialStorage>::StorageError: Send + Sync + 'static,
        <S::GatewaysDetailsStore as GatewaysDetailsStore>::StorageError: Sync + Send,
    {
-        info!("Starting nym client");
+        tracing::info!("Starting nym client");
+        #[cfg(debug_assertions)]
+        #[cfg(target_arch = "wasm32")]
+        {
+            console_log!("Starting base Nym Client");
+        }

        // derive (or load) client keys and gateway configuration
        let init_res = Self::initialise_keys_and_gateway(
@@ -762,17 +993,22 @@ where
        // channels responsible for controlling real messages
        let (input_sender, input_receiver) = tokio::sync::mpsc::channel::<InputMessage>(1);

+        // channels responsible for event management
+        let (event_sender, event_receiver) = mpsc::unbounded();
+
        // channels responsible for controlling ack messages
        let (ack_sender, ack_receiver) = mpsc::unbounded();
        let shared_topology_accessor =
            TopologyAccessor::new(self.config.debug.topology.ignore_egress_epoch_role);

-        // Shutdown notifier for signalling tasks to stop
-        let shutdown = self
-            .shutdown
-            .map(Into::<TaskHandle>::into)
-            .unwrap_or_default()
-            .name_if_unnamed("BaseNymClient");
+        // Create a shutdown tracker for this client - either as a child of provided tracker
+        // or get one from the registry
+        let shutdown_tracker = match self.shutdown {
+            Some(parent_tracker) => parent_tracker.clone(),
+            None => nym_task::create_sdk_shutdown_tracker()?,
+        };
+
+        Self::start_event_control(self.event_tx, event_receiver, &shutdown_tracker);

        // channels responsible for dealing with reply-related fun
        let (reply_controller_sender, reply_controller_receiver) =
@@ -789,11 +1025,18 @@ where
            .dkg_query_client
            .map(|client| BandwidthController::new(credential_store, client));

+        let nym_api_client = Self::construct_nym_api_client(
+            self.nym_api_urls.as_ref(),
+            &self.config,
+            self.user_agent.clone(),
+        )?;
+        let key_rotation_config = Self::determine_key_rotation_state(&nym_api_client).await?;
+
        let topology_provider = Self::setup_topology_provider(
            self.custom_topology_provider.take(),
            self.config.debug.topology,
            self.config.get_nym_api_endpoints(),
-            self.user_agent.clone(),
+            nym_api_client,
        );

        let stats_reporter = Self::start_statistics_control(
@@ -801,7 +1044,7 @@ where
            self.user_agent.clone(),
            generate_client_stats_id(*self_address.identity()),
            input_sender.clone(),
-            shutdown.fork("statistics_control"),
+            &shutdown_tracker.clone(),
        );

        // needs to be started as the first thing to block if required waiting for the gateway
@@ -811,14 +1054,14 @@ where
            shared_topology_accessor.clone(),
            self_address.gateway(),
            self.wait_for_gateway,
-            shutdown.fork("topology_refresher"),
+            &shutdown_tracker.clone(),
        )
        .await?;

        let gateway_packet_router = PacketRouter::new(
            ack_sender,
            mixnet_messages_sender,
-            shutdown.get_handle().named("gateway-packet-router"),
+            shutdown_tracker.clone_shutdown_token(),
        );

        let gateway_transceiver = Self::setup_gateway_transceiver(
@@ -831,14 +1074,15 @@ where
            stats_reporter.clone(),
            #[cfg(unix)]
            self.connection_fd_callback,
-            shutdown.fork("gateway_transceiver"),
+            &shutdown_tracker.clone(),
        )
        .await?;
        let gateway_ws_fd = gateway_transceiver.ws_fd();

        let reply_storage = Self::setup_persistent_reply_storage(
            reply_storage_backend,
-            shutdown.fork("persistent_reply_storage"),
+            key_rotation_config,
+            &shutdown_tracker.clone(),
        )
        .await?;

@@ -848,8 +1092,8 @@ where
            mixnet_messages_receiver,
            reply_storage.key_storage(),
            reply_controller_sender.clone(),
-            shutdown.fork("received_messages_buffer"),
            stats_reporter.clone(),
+            &shutdown_tracker.clone(),
        );

        // The message_sender is the transmitter for any component generating sphinx packets
@@ -859,7 +1103,8 @@ where

        let (message_sender, client_request_sender) = Self::start_mix_traffic_controller(
            gateway_transceiver,
-            shutdown.fork("mix_traffic_controller"),
+            &shutdown_tracker.clone(),
+            EventSender(event_sender),
        );

        // Channels that the websocket listener can use to signal downstream to the real traffic
@@ -878,6 +1123,7 @@ where

        Self::start_real_traffic_controller(
            controller_config,
+            key_rotation_config,
            shared_topology_accessor.clone(),
            ack_receiver,
            input_receiver,
@@ -887,9 +1133,8 @@ where
            reply_controller_receiver,
            shared_lane_queue_lengths.clone(),
            client_connection_rx,
-            shutdown.fork("real_traffic_controller"),
-            self.config.debug.traffic.packet_type,
            stats_reporter.clone(),
+            &shutdown_tracker.clone(),
        );

        if !self
@@ -905,12 +1150,19 @@ where
                shared_topology_accessor.clone(),
                message_sender,
                stats_reporter.clone(),
-                shutdown.fork("cover_traffic_stream"),
+                &shutdown_tracker.clone(),
            );
        }

-        debug!("Core client startup finished!");
-        debug!("The address of this client is: {self_address}");
+        tracing::debug!("Core client startup finished!");
+        tracing::debug!("The address of this client is: {self_address}");
+
+        #[cfg(debug_assertions)]
+        #[cfg(target_arch = "wasm32")]
+        {
+            console_log!("Core client startup finished!");
+            console_log!("Rust::start_base: the address of this client is: {self_address}");
+        }

        Ok(BaseClient {
            address: self_address,
@@ -919,6 +1171,7 @@ where
                client_input: ClientInput {
                    connection_command_sender: client_connection_tx,
                    input_sender,
+                    client_request_sender,
                },
            },
            client_output: ClientOutputStatus::AwaitingConsumer {
@@ -933,8 +1186,7 @@ where
                gateway_connection: GatewayConnection { gateway_ws_fd },
            },
            stats_reporter,
-            task_handle: shutdown,
-            client_request_sender,
+            shutdown_handle: shutdown_tracker, // The primary tracker for this client
            forget_me: self.config.debug.forget_me,
            remember_me: self.config.debug.remember_me,
        })
@@ -948,8 +1200,57 @@ 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 shutdown_handle: ShutdownTracker,
    pub forget_me: ForgetMe,
    pub remember_me: RememberMe,
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use nym_network_defaults::{ApiUrl, NymNetworkDetails};
+
+    #[test]
+    fn test_network_details_with_multiple_urls() {
+        // Verify that network details can be configured with multiple API URLs
+        let mut network_details = NymNetworkDetails::new_empty();
+        network_details.nym_api_urls = Some(vec![
+            ApiUrl {
+                url: "https://validator.nymtech.net/api/".to_string(),
+                front_hosts: None,
+            },
+            ApiUrl {
+                url: "https://nym-frontdoor.vercel.app/api/".to_string(),
+                front_hosts: Some(vec!["vercel.app".to_string(), "vercel.com".to_string()]),
+            },
+        ]);
+
+        assert_eq!(network_details.nym_api_urls.as_ref().unwrap().len(), 2);
+        assert!(network_details.nym_api_urls.as_ref().unwrap()[1]
+            .front_hosts
+            .is_some());
+    }
+
+    #[test]
+    fn test_network_details_with_front_hosts() {
+        // Verify that ApiUrl can store domain fronting configuration
+        let api_url = ApiUrl {
+            url: "https://nym-frontdoor.vercel.app/api/".to_string(),
+            front_hosts: Some(vec!["vercel.app".to_string(), "vercel.com".to_string()]),
+        };
+
+        assert_eq!(api_url.url, "https://nym-frontdoor.vercel.app/api/");
+        assert_eq!(api_url.front_hosts.as_ref().unwrap().len(), 2);
+        assert!(api_url
+            .front_hosts
+            .as_ref()
+            .unwrap()
+            .contains(&"vercel.app".to_string()));
+    }
+
+    #[test]
+    fn test_default_nym_api_retries_constant() {
+        // Verify the retry constant is set correctly
+        assert_eq!(DEFAULT_NYM_API_RETRIES, 3);
+    }
+}
@@ -1,32 +1,30 @@
 // Copyright 2022-2024 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

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

 async fn setup_fresh_backend<P: AsRef<Path>>(
    db_path: P,
    surb_config: &config::ReplySurbs,
 ) -> Result<fs_backend::Backend, ClientCoreError> {
-    info!("creating fresh surb database");
+    info!("Creating fresh surb database");
    let mut storage_backend = match fs_backend::Backend::init(db_path).await {
        Ok(backend) => backend,
        Err(err) => {
-            error!("failed to setup persistent storage backend for our reply needs: {err}");
+            error!("setup_fresh_backend: Failed to setup persistent storage backend for our reply needs: {err}");
            return Err(ClientCoreError::SurbStorageError {
                source: Box::new(err),
            });
@@ -40,14 +38,15 @@ async fn setup_fresh_backend<P: AsRef<Path>>(
        surb_config.minimum_reply_surb_storage_threshold,
        surb_config.maximum_reply_surb_storage_threshold,
    );
-    storage_backend
-        .init_fresh(&mem_store)
-        .await
-        .map_err(|err| ClientCoreError::SurbStorageError {
-            source: Box::new(err),
-        })?;
-
-    Ok(storage_backend)
+    match storage_backend.init_fresh(&mem_store).await {
+        Ok(()) => Ok(storage_backend),
+        Err(err) => {
+            storage_backend.shutdown().await;
+            Err(ClientCoreError::SurbStorageError {
+                source: Box::new(err),
+            })
+        }
+    }
 }

 // fn setup_inactive_backend(surb_config: &config::ReplySurbs) -> fs_backend::Backend {
@@ -58,12 +57,11 @@ async fn setup_fresh_backend<P: AsRef<Path>>(
 //     )
 // }

-fn archive_corrupted_database<P: AsRef<Path>>(db_path: P) -> io::Result<()> {
+async fn archive_corrupted_database<P: AsRef<Path>>(db_path: P) -> io::Result<()> {
    let db_path = db_path.as_ref();
    debug_assert!(db_path.exists());

    let now = OffsetDateTime::now_utc().unix_timestamp();
-
    let suffix = format!("_{now}.corrupted");

    let new_extension =
@@ -72,11 +70,15 @@ fn archive_corrupted_database<P: AsRef<Path>>(db_path: P) -> io::Result<()> {
        } else {
            suffix
        };
+    let renamed = db_path.with_extension(new_extension);

-    let mut renamed = db_path.to_owned();
-    renamed.set_extension(new_extension);
-
-    fs::rename(db_path, renamed)
+    tokio::fs::rename(db_path, &renamed).await.inspect_err(|_| {
+        error!(
+            "Failed to rename corrupt database file: {} to {}",
+            db_path.display(),
+            renamed.display()
+        );
+    })
 }

 pub async fn setup_fs_reply_surb_backend<P: AsRef<Path>>(
@@ -87,13 +89,12 @@ pub async fn setup_fs_reply_surb_backend<P: AsRef<Path>>(
    // the existing one
    let db_path = db_path.as_ref();
    if db_path.exists() {
-        info!("loading existing surb database");
-        match fs_backend::Backend::try_load(db_path, surb_config.fresh_sender_tags).await {
+        info!("Loading existing surb database");
+        match fs_backend::Backend::try_load(db_path).await {
            Ok(backend) => Ok(backend),
            Err(err) => {
-                error!("failed to setup persistent storage backend for our reply needs: {err}. We're going to create a fresh database instead. This behaviour might change in the future");
-
-                archive_corrupted_database(db_path)?;
+                error!("setup_fs_reply_surb_backend: Failed to setup persistent storage backend for our reply needs: {err}. We're going to create a fresh database instead. This behaviour might change in the future");
+                archive_corrupted_database(db_path).await?;
                setup_fresh_backend(db_path, surb_config).await
            }
        }
@@ -113,41 +114,32 @@ pub async fn setup_fs_gateways_storage<P: AsRef<Path>>(
        })
 }

-pub fn create_bandwidth_controller<St: CredentialStorage>(
-    config: &Config,
-    storage: St,
-) -> BandwidthController<QueryHttpRpcNyxdClient, St> {
-    let nyxd_url = config
-        .get_validator_endpoints()
-        .pop()
-        .expect("No nyxd validator endpoint provided");
-
-    create_bandwidth_controller_with_urls(nyxd_url, storage)
-}
-
 pub fn create_bandwidth_controller_with_urls<St: CredentialStorage>(
    nyxd_url: Url,
    storage: St,
-) -> BandwidthController<QueryHttpRpcNyxdClient, St> {
-    let client = default_query_dkg_client(nyxd_url);
+) -> Result<BandwidthController<QueryHttpRpcNyxdClient, St>, ClientCoreError> {
+    let client = default_query_dkg_client(nyxd_url)?;

-    BandwidthController::new(storage, client)
+    Ok(BandwidthController::new(storage, client))
 }

-pub fn default_query_dkg_client_from_config(config: &Config) -> QueryHttpRpcNyxdClient {
+pub fn default_query_dkg_client_from_config(
+    config: &Config,
+) -> Result<QueryHttpRpcNyxdClient, ClientCoreError> {
    let nyxd_url = config
        .get_validator_endpoints()
        .pop()
-        .expect("No nyxd validator endpoint provided");
+        .ok_or(ClientCoreError::RpcClientMissingUrl)?;

    default_query_dkg_client(nyxd_url)
 }

-pub fn default_query_dkg_client(nyxd_url: Url) -> QueryHttpRpcNyxdClient {
+pub fn default_query_dkg_client(nyxd_url: Url) -> Result<QueryHttpRpcNyxdClient, ClientCoreError> {
    let details = nym_network_defaults::NymNetworkDetails::new_from_env();
    let client_config = nyxd::Config::try_from_nym_network_details(&details)
-        .expect("failed to construct validator client config");
+        .map_err(|source| ClientCoreError::InvalidNetworkDetails { source })?;
    // overwrite env configuration with config URLs
+
    QueryHttpRpcNyxdClient::connect(client_config, nyxd_url.as_str())
-        .expect("Could not construct query client")
+        .map_err(|source| ClientCoreError::RpcClientCreationFailure { source })
 }
--- a/Show More
+++ b/Show More