Some minor conversions

Corrected typos

.gitattributes

@@ -1 +1,2 @@
 nym-validator-rewarder/.sqlx/** diff=nodiff
+nym-node-status-api/nym-node-status-api/.sqlx/** diff=nodiff

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

@@ -26,6 +26,7 @@ jobs:
     runs-on: ${{ matrix.platform }}
     env:
       CARGO_TERM_COLOR: always
+      RUSTUP_PERMIT_COPY_RENAME: 1
     steps:
       - uses: actions/checkout@v4
 
@@ -79,7 +80,6 @@ jobs:
             target/release/nym-socks5-client
             target/release/nym-api
             target/release/nym-network-requester
-            target/release/nym-data-observatory
             target/release/nym-cli
             target/release/nymvisor
             target/release/nym-node
@@ -97,11 +97,9 @@ jobs:
           cp target/release/nym-socks5-client $OUTPUT_DIR
           cp target/release/nym-api $OUTPUT_DIR
           cp target/release/nym-network-requester $OUTPUT_DIR
-          cp target/release/nym-data-observatory $OUTPUT_DIR
           cp target/release/nymvisor $OUTPUT_DIR
           cp target/release/nym-node $OUTPUT_DIR
           cp target/release/nym-cli $OUTPUT_DIR
-          cp target/release/explorer-api $OUTPUT_DIR
           if [ ${{ github.event_name == 'workflow_dispatch' && inputs.enable_deb == true }} = true ]; then
             cp target/debian/*.deb $OUTPUT_DIR
           fi

.github/workflows/ci-build-vpn-api-wasm.yml

@@ -12,6 +12,7 @@ jobs:
     runs-on: arc-ubuntu-22.04
     env:
       CARGO_TERM_COLOR: always
+      RUSTUP_PERMIT_COPY_RENAME: 1
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4

.github/workflows/ci-build.yml

@@ -8,17 +8,18 @@ on:
       - 'explorer-api/**'
       - 'gateway/**'
       - 'integrations/**'
-      - 'mixnode/**'
       - 'nym-api/**'
-      - 'nym-data-observatory/**'
+      - 'nym-credential-proxy/**'
       - 'nym-network-monitor/**'
       - 'nym-node/**'
       - 'nym-node-status-api/**'
       - 'nym-outfox/**'
       - 'nym-validator-rewarder/**'
-      - 'sdk/lib/**'
+      - 'nyx-chain-watcher/**'
+      - 'sdk/ffi/**'
       - 'sdk/rust/**'
       - 'service-providers/**'
+      - 'nym-browser-extension/storage/**'
       - 'tools/**'
       - 'wasm/**'
       - 'Cargo.toml'
@@ -36,6 +37,7 @@ jobs:
     env:
       CARGO_TERM_COLOR: always
       IPINFO_API_TOKEN: ${{ secrets.IPINFO_API_TOKEN }}
+      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
@@ -53,6 +55,20 @@ jobs:
           override: true
           components: rustfmt, clippy
 
+      # To avoid running out of disk space, skip generating debug symbols
+      - name: Set debug to false (unix)
+        if: contains(matrix.os, 'ubuntu') || contains(matrix.os, 'mac')
+        run: |
+          sed -i.bak 's/\[profile.dev\]/\[profile.dev\]\ndebug = false/' Cargo.toml
+          git diff
+
+      - name: Set debug to false (win)
+        if: contains(matrix.os, 'windows')
+        shell: pwsh
+        run: |
+          (Get-Content Cargo.toml) -replace '\[profile.dev\]', "`$&`ndebug = false" | Set-Content Cargo.toml
+          git diff
+
       - name: Check formatting
         uses: actions-rs/cargo@v1
         with:

.github/workflows/ci-check-ns-api-version.yml

@@ -0,0 +1,57 @@
+name: ci-check-ns-api-version
+
+on:
+  pull_request:
+    paths:
+      - "nym-node-status-api/**"
+
+env:
+  WORKING_DIRECTORY: "nym-node-status-api/nym-node-status-api"
+
+jobs:
+  check-if-tag-exists:
+    runs-on: arc-ubuntu-22.04-dind
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Get version from cargo.toml
+        uses: mikefarah/yq@v4.45.1
+        id: get_version
+        with:
+          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
+
+      - name: Check if git tag exists
+        run: |
+          TAG=${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}
+          if [[ -z "$TAG" ]]; then
+            echo "Tag is empty"
+            exit 1
+          fi
+          git ls-remote --tags origin | awk '{print $2}'
+          if git ls-remote --tags origin | awk '{print $2}' | grep -q "refs/tags/$TAG$" ; then
+              echo "Tag '$TAG' ALREADY EXISTS on the remote"
+              exit 1
+          else
+              echo "Tag '$TAG' does not exist on the remote"
+          fi
+      - name: Check if harbor tag exists
+        run: |
+          TAG=${{ steps.get_version.outputs.result }}
+          registry=https://harbor.nymte.ch
+          repo_name=nym/node-status-api
+          if [[ -z $TAG ]]; then
+            echo "Tag is empty"
+            exit 1
+          fi
+          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])' )
+          if [[ $exists = "true" ]]; then
+            echo "Version '$TAG' defined in Cargo.toml ALREADY EXISTS as tag in harbor repo"
+            exit 1
+          elif [[ $exists = "false" ]]; then
+            echo "Version '$TAG' doesn't exist on the remote"
+          else
+            echo "Unknown output '$exists'"
+            exit 1
+          fi

.github/workflows/ci-contracts.yml

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

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

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

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

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

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

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-credential-proxy/Cargo.toml

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

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

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

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-network-monitor/Cargo.toml

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

@@ -31,7 +31,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

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

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

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

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

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

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

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

@@ -26,7 +26,7 @@ jobs:
           git config --global user.name "Lawrence Stalder"
 
       - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.44.6
+        uses: mikefarah/yq@v4.45.1
         id: get_version
         with:
           cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml

CHANGELOG.md

@@ -4,9 +4,415 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://
 
 ## [Unreleased]
 
+## [2025.5-chokito] (2025-03-18)
+
+- build(deps): bump braces from 3.0.2 to 3.0.3 in /sdk/typescript/packages/nodejs-client ([#5611])
+- build(deps-dev): bump webpack-dev-middleware from 5.3.3 to 5.3.4 in /wasm/client/internal-dev ([#5610])
+- Export lane queue lengths in sdk ([#5609])
+- Chore/more payment watcher debug endpoints ([#5608])
+- build(deps): bump @babel/helpers from 7.24.4 to 7.26.10 ([#5606])
+- Chore/update bls12 381 fork ([#5605])
+- chore: change auth v2 timestamp skew and allow values from the future ([#5604])
+- Chore/payment watcher debug endpoints ([#5601])
+- Allow resetting all SURB sender tags ([#5600])
+- introduce internal tool for checking signer status ([#5598])
+- build(deps-dev): bump webpack from 5.77.0 to 5.98.0 in /wasm/mix-fetch/internal-dev ([#5597])
+- build(deps): bump body-parser and express in /wasm/mix-fetch/internal-dev ([#5596])
+- build(deps): bump serve-static and express in /wasm/mix-fetch/internal-dev ([#5594])
+- build(deps-dev): bump ws from 8.13.0 to 8.18.1 in /wasm/mix-fetch/internal-dev ([#5593])
+- build(deps): bump cookie and express in /wasm/client/internal-dev ([#5592])
+- build(deps): bump cookie and express in /wasm/mix-fetch/internal-dev ([#5591])
+- build(deps): bump braces from 3.0.2 to 3.0.3 in /wasm/zknym-lib/internal-dev ([#5590])
+- build(deps): bump webpack-dev-middleware from 5.3.3 to 5.3.4 in /wasm/zknym-lib/internal-dev ([#5589])
+- build(deps): bump tempfile from 3.17.1 to 3.18.0 ([#5588])
+- build(deps): bump tokio from 1.43.0 to 1.44.0 ([#5587])
+- build(deps): bump the patch-updates group with 8 updates ([#5585])
+- build(deps): bump ring from 0.17.9 to 0.17.13 ([#5583])
+- delete double memo field in send modal ([#5578])
+- Server Side internal DoT/DoH opt out ([#5577])
+- Rust SDK SURB example: change hardcoded file to tempdir ([#5576])
+- Add /v3/nym-nodes ([#5569])
+- chore: start sending v2 sphinx packets ([#5554])
+- build(deps): bump the patch-updates group across 1 directory with 14 updates ([#5549])
+- build(deps): bump uuid from 1.13.2 to 1.15.1 ([#5542])
+- build(deps): bump rs_merkle from 1.4.2 to 1.5.0 ([#5541])
+- feature: v2 authentication request ([#5537])
+- Set RUSTUP_PERMIT_COPY_RENAME ([#5533])
+- feature: disallow routing mix packets to nodes not present in the topology ([#5526])
+- Make "Memo" visible per default on send NYM ([#5524])
+- feat: make sure any terminated task kills the watcher and write run info to db ([#5517])
+- Another total_stake SQL fix ([#5516])
+- Fix total_stake on SQL update ([#5514])
+- build(deps): bump flate2 from 1.0.35 to 1.1.0 ([#5510])
+- build(deps): bump itertools from 0.13.0 to 0.14.0 ([#5509])
+- build(deps): bump the patch-updates group with 2 updates ([#5505])
+- Treat gateways as Nym Nodes ([#5504])
+- Update version in Cargo.toml ([#5503])
+- feat: use ct_eq for checking bearer token ([#5501])
+- Add extra args for the probe ([#5499])
+- Fix stats bug & remove HM caching ([#5495])
+- fix: Cargo.lock for contracts ([#5489])
+- Display error messages if IPv4 or IPv6 address not found on nymtun0 ([#5465])
+
+[#5611]: https://github.com/nymtech/nym/pull/5611
+[#5610]: https://github.com/nymtech/nym/pull/5610
+[#5609]: https://github.com/nymtech/nym/pull/5609
+[#5608]: https://github.com/nymtech/nym/pull/5608
+[#5606]: https://github.com/nymtech/nym/pull/5606
+[#5605]: https://github.com/nymtech/nym/pull/5605
+[#5604]: https://github.com/nymtech/nym/pull/5604
+[#5601]: https://github.com/nymtech/nym/pull/5601
+[#5600]: https://github.com/nymtech/nym/pull/5600
+[#5598]: https://github.com/nymtech/nym/pull/5598
+[#5597]: https://github.com/nymtech/nym/pull/5597
+[#5596]: https://github.com/nymtech/nym/pull/5596
+[#5594]: https://github.com/nymtech/nym/pull/5594
+[#5593]: https://github.com/nymtech/nym/pull/5593
+[#5592]: https://github.com/nymtech/nym/pull/5592
+[#5591]: https://github.com/nymtech/nym/pull/5591
+[#5590]: https://github.com/nymtech/nym/pull/5590
+[#5589]: https://github.com/nymtech/nym/pull/5589
+[#5588]: https://github.com/nymtech/nym/pull/5588
+[#5587]: https://github.com/nymtech/nym/pull/5587
+[#5585]: https://github.com/nymtech/nym/pull/5585
+[#5583]: https://github.com/nymtech/nym/pull/5583
+[#5578]: https://github.com/nymtech/nym/pull/5578
+[#5577]: https://github.com/nymtech/nym/pull/5577
+[#5576]: https://github.com/nymtech/nym/pull/5576
+[#5569]: https://github.com/nymtech/nym/pull/5569
+[#5554]: https://github.com/nymtech/nym/pull/5554
+[#5549]: https://github.com/nymtech/nym/pull/5549
+[#5542]: https://github.com/nymtech/nym/pull/5542
+[#5541]: https://github.com/nymtech/nym/pull/5541
+[#5537]: https://github.com/nymtech/nym/pull/5537
+[#5533]: https://github.com/nymtech/nym/pull/5533
+[#5526]: https://github.com/nymtech/nym/pull/5526
+[#5524]: https://github.com/nymtech/nym/pull/5524
+[#5517]: https://github.com/nymtech/nym/pull/5517
+[#5516]: https://github.com/nymtech/nym/pull/5516
+[#5514]: https://github.com/nymtech/nym/pull/5514
+[#5510]: https://github.com/nymtech/nym/pull/5510
+[#5509]: https://github.com/nymtech/nym/pull/5509
+[#5505]: https://github.com/nymtech/nym/pull/5505
+[#5504]: https://github.com/nymtech/nym/pull/5504
+[#5503]: https://github.com/nymtech/nym/pull/5503
+[#5501]: https://github.com/nymtech/nym/pull/5501
+[#5499]: https://github.com/nymtech/nym/pull/5499
+[#5495]: https://github.com/nymtech/nym/pull/5495
+[#5489]: https://github.com/nymtech/nym/pull/5489
+[#5465]: https://github.com/nymtech/nym/pull/5465
+
+## [2025.4-dorina-patched] (2025-03-06)
+
+- use legacy crypto for constructing SURB headers ([#5579])
+- bugfix: make sure to correctly decode response content when putting it into error message ([#5571])
+- Tweak surb management to be more conservative ([#5570])
+- Deserialize v5 authenticator requests ([#5568])
+- chore: additional logs when attempting to load ecash keys ([#5567])
+- add full response body to error message upon decoding failure ([#5566])
+- hotfix: ensure we bail on merkle leaves insertion upon missing data ([#5565])
+- feature: v2 authentication request (#5537) ([#5563])
+- Create authenticator v5 request/response types ([#5561])
+
+[#5579]: https://github.com/nymtech/nym/pull/5579
+[#5571]: https://github.com/nymtech/nym/pull/5571
+[#5570]: https://github.com/nymtech/nym/pull/5570
+[#5568]: https://github.com/nymtech/nym/pull/5568
+[#5567]: https://github.com/nymtech/nym/pull/5567
+[#5566]: https://github.com/nymtech/nym/pull/5566
+[#5565]: https://github.com/nymtech/nym/pull/5565
+[#5563]: https://github.com/nymtech/nym/pull/5563
+[#5561]: https://github.com/nymtech/nym/pull/5561
+
+## [2025.4-dorina] (2025-03-04)
+
+- fixed sphinx version metrics registration ([#5546])
+- Feature/chain status api ([#5539])
+- Add SURBs soft threshold ([#5535])
+- Simplify IPR v8 ([#5532])
+- Shared instance for DNS AsyncResolver ([#5523])
+- merge #5512 again after reverting due to incorrect rebase ([#5520])
+- cherry-pick 17d3ff2d775f61aee381d90a304ed416c08f33fc onto dorina ([#5519])
+- cherry-pick 6e5d0dac1b75413c5f09122b0d953f8ec6ef48df onto dorina ([#5518])
+- chore: workspace global panic preventing lints ([#5512])
+- bugfix: dont query for ecash apis unless necessary when spending ticketbooks ([#5508])
+- bugfix: bound check when recovering a reply SURB ([#5502])
+- chore: removed all old coconut code ([#5500])
+- IPR request types v8 ([#5498])
+- Support static routes for HTTP requests ([#5487])
+- build(deps): bump the patch-updates group across 1 directory with 3 updates ([#5482])
+- added missing import to doctest ([#5480])
+- adjusted TestSetup::new_complex to ensure bonded node's existence ([#5478])
+- Trigger contracts CI on main workspace Cargo changes ([#5477])
+- build(deps): bump http from 1.1.0 to 1.2.0 ([#5472])
+- build(deps): bump utoipa-swagger-ui from 8.0.3 to 8.1.0 ([#5471])
+- build(deps): bump colored from 2.1.0 to 2.2.0 ([#5470])
+- build(deps): bump celes from 2.4.0 to 2.5.0 ([#5469])
+- build(deps): bump the patch-updates group with 2 updates ([#5467])
+- build(deps): bump elliptic from 6.5.4 to 6.6.1 in /docker/typescript_client/upload_contract ([#5463])
+- Run cargo autoinherit ([#5460])
+- Fix clippy::precedence ([#5457])
+- Provide Interval context with node descriptor endpoints ([#5456])
+- fix: update fx average rate calcs to ignore 0 values ([#5454])
+- Feature/add gbp currency ([#5453])
+- Add helper to extract a list of sqlite files with journal files wal/shm ([#5452])
+- Add a middleware layer to the nym api allowing for data compression ([#5451])
+- Condense core API functionalities and enable gzip decompression for reqwest payloads ([#5450])
+- build(deps): bump uniffi_build from 0.25.3 to 0.29.0 ([#5448])
+- Upgrade tower to 0.5.2 ([#5446])
+- build(deps): bump hickory-proto from 0.24.2 to 0.24.3 ([#5444])
+- Seedable clients ([#5440])
+- build(deps): bump the patch-updates group across 1 directory with 10 updates ([#5439])
+- Remove all recv_with_delay and add shutdown condition to loops in client-core ([#5435])
+- Disable the test for checking the remaining bandwidth in nym-node-status-api ([#5425])
+- Dz nym node stats ([#5418])
+- build(deps): bump hyper from 1.4.1 to 1.6.0 ([#5416])
+- build(deps): bump publicsuffix from 2.2.3 to 2.3.0 ([#5367])
+- Nymnode entrypoint docker ([#5300])
+
+[#5546]: https://github.com/nymtech/nym/pull/5546
+[#5539]: https://github.com/nymtech/nym/pull/5539
+[#5535]: https://github.com/nymtech/nym/pull/5535
+[#5532]: https://github.com/nymtech/nym/pull/5532
+[#5523]: https://github.com/nymtech/nym/pull/5523
+[#5520]: https://github.com/nymtech/nym/pull/5520
+[#5519]: https://github.com/nymtech/nym/pull/5519
+[#5518]: https://github.com/nymtech/nym/pull/5518
+[#5512]: https://github.com/nymtech/nym/pull/5512
+[#5508]: https://github.com/nymtech/nym/pull/5508
+[#5502]: https://github.com/nymtech/nym/pull/5502
+[#5500]: https://github.com/nymtech/nym/pull/5500
+[#5498]: https://github.com/nymtech/nym/pull/5498
+[#5487]: https://github.com/nymtech/nym/pull/5487
+[#5482]: https://github.com/nymtech/nym/pull/5482
+[#5480]: https://github.com/nymtech/nym/pull/5480
+[#5478]: https://github.com/nymtech/nym/pull/5478
+[#5477]: https://github.com/nymtech/nym/pull/5477
+[#5472]: https://github.com/nymtech/nym/pull/5472
+[#5471]: https://github.com/nymtech/nym/pull/5471
+[#5470]: https://github.com/nymtech/nym/pull/5470
+[#5469]: https://github.com/nymtech/nym/pull/5469
+[#5467]: https://github.com/nymtech/nym/pull/5467
+[#5463]: https://github.com/nymtech/nym/pull/5463
+[#5460]: https://github.com/nymtech/nym/pull/5460
+[#5457]: https://github.com/nymtech/nym/pull/5457
+[#5456]: https://github.com/nymtech/nym/pull/5456
+[#5454]: https://github.com/nymtech/nym/pull/5454
+[#5453]: https://github.com/nymtech/nym/pull/5453
+[#5452]: https://github.com/nymtech/nym/pull/5452
+[#5451]: https://github.com/nymtech/nym/pull/5451
+[#5450]: https://github.com/nymtech/nym/pull/5450
+[#5448]: https://github.com/nymtech/nym/pull/5448
+[#5446]: https://github.com/nymtech/nym/pull/5446
+[#5444]: https://github.com/nymtech/nym/pull/5444
+[#5440]: https://github.com/nymtech/nym/pull/5440
+[#5439]: https://github.com/nymtech/nym/pull/5439
+[#5435]: https://github.com/nymtech/nym/pull/5435
+[#5425]: https://github.com/nymtech/nym/pull/5425
+[#5418]: https://github.com/nymtech/nym/pull/5418
+[#5416]: https://github.com/nymtech/nym/pull/5416
+[#5367]: https://github.com/nymtech/nym/pull/5367
+[#5300]: https://github.com/nymtech/nym/pull/5300
+
+## [2025.3-ruta] (2025-02-10)
+
+- Push down forget me to client configs ([#5431])
+- Fix statistics shutdown ([#5426])
+- Make wait_for_graceful_shutdown to be pub ([#5424])
+- Upgrade to thiserror 2.0 ([#5414])
+- build(deps): bump the patch-updates group across 1 directory with 9 updates ([#5406])
+- Relocate a validator api function ([#5401])
+- Send shutdown instead of panic when reaching max fail ([#5398])
+- Change Explorer URL to new smooshed nodes ([#5396])
+- reduce log severity for checking topology validity ([#5395])
+- MixnetClient can send ClientRequests ([#5381])
+- Fix missing path triggers for CI ([#5380])
+- Uncouple storage reference for bandwidth client ([#5372])
+- build(deps): bump tokio from 1.40.0 to 1.43.0 ([#5370])
+- DNS resolver configuration for internal HTTP client lookups ([#5355])
+- Update README.md ([#5328])
+- Update README.md ([#5327])
+
+[#5431]: https://github.com/nymtech/nym/pull/5431
+[#5426]: https://github.com/nymtech/nym/pull/5426
+[#5424]: https://github.com/nymtech/nym/pull/5424
+[#5414]: https://github.com/nymtech/nym/pull/5414
+[#5406]: https://github.com/nymtech/nym/pull/5406
+[#5401]: https://github.com/nymtech/nym/pull/5401
+[#5398]: https://github.com/nymtech/nym/pull/5398
+[#5396]: https://github.com/nymtech/nym/pull/5396
+[#5395]: https://github.com/nymtech/nym/pull/5395
+[#5381]: https://github.com/nymtech/nym/pull/5381
+[#5380]: https://github.com/nymtech/nym/pull/5380
+[#5372]: https://github.com/nymtech/nym/pull/5372
+[#5370]: https://github.com/nymtech/nym/pull/5370
+[#5355]: https://github.com/nymtech/nym/pull/5355
+[#5328]: https://github.com/nymtech/nym/pull/5328
+[#5327]: https://github.com/nymtech/nym/pull/5327
+
+## [2025.2-hu] (2025-02-04)
+
+- Feature/remove double spending bloomfilter ([#5417])
+- HU - Downgrade harmless log message from info to debug ([#5405])
+- lower default ticket verification quorum to 0.7 ([#5404])
+- Downgrade harmless log message from info to debug ([#5403])
+- Redirect from mixnode page to nodes page ([#5397])
+- chore :update version of chain watcher and validator rewarder ([#5394])
+- bugfix: correctly handle ignore epoch roles flag ([#5390])
+- bugfix: terminate mixnet socket listener on shutdown ([#5389])
+- feat: make client ignore dual mode nodes by default ([#5388])
+- Handle ecash network errors differently ([#5378])
+- Remove empty ephemeral keys ([#5376])
+- fixed sql migration for adding default message timestamp ([#5374])
+- Bind to [::] on nym-node for both IP versions ([#5361])
+- exposed NymApiClient method for obtaining node performance history ([#5360])
+- Client gateway selection ([#5358])
+- chore: refresh wasm sdk ([#5353])
+- chore: update indexed_db_futures ([#5347])
+- build(deps): bump mikefarah/yq from 4.44.6 to 4.45.1 ([#5342])
+- updated cosmrs and tendermint-rpc to their most recent versions ([#5339])
+- build(deps): bump ts-rs from 10.0.0 to 10.1.0 ([#5338])
+- build(deps): bump tempfile from 3.14.0 to 3.15.0 ([#5337])
+- build(deps): bump the patch-updates group with 8 updates ([#5336])
+- feature: introduce /load endpoint for self-reported quantised NymNode load ([#5326])
+- feature: `CancellationToken`-based shutdowns ([#5325])
+- Use expect in geodata test to give error message on failure ([#5314])
+- feature: periodically remove stale gateway messages ([#5312])
+- build(deps): bump the patch-updates group across 1 directory with 35 updates ([#5310])
+- Add dependabot assigns for the root cargo ecosystem ([#5297])
+- Move tun constants to network defaults ([#5286])
+- Include IPINFO_API_TOKEN in nightly CI ([#5285])
+- Nyx Chain Watcher ([#5274])
+- bugfix: remove unnecessary arguments for nym-api swagger endpoints ([#5272])
+- feature: nym topology revamp ([#5271])
+- Add windows to CI builds ([#5269])
+- http-api-client: deduplicate code ([#5267])
+- build(deps): bump http from 1.1.0 to 1.2.0 ([#5228])
+- NS API: add mixnet scraper ([#5200])
+- build(deps): bump criterion from 0.4.0 to 0.5.1 ([#4911])
+
+[#5417]: https://github.com/nymtech/nym/pull/5417
+[#5405]: https://github.com/nymtech/nym/pull/5405
+[#5404]: https://github.com/nymtech/nym/pull/5404
+[#5403]: https://github.com/nymtech/nym/pull/5403
+[#5397]: https://github.com/nymtech/nym/pull/5397
+[#5394]: https://github.com/nymtech/nym/pull/5394
+[#5390]: https://github.com/nymtech/nym/pull/5390
+[#5389]: https://github.com/nymtech/nym/pull/5389
+[#5388]: https://github.com/nymtech/nym/pull/5388
+[#5378]: https://github.com/nymtech/nym/pull/5378
+[#5376]: https://github.com/nymtech/nym/pull/5376
+[#5374]: https://github.com/nymtech/nym/pull/5374
+[#5361]: https://github.com/nymtech/nym/pull/5361
+[#5360]: https://github.com/nymtech/nym/pull/5360
+[#5358]: https://github.com/nymtech/nym/pull/5358
+[#5353]: https://github.com/nymtech/nym/pull/5353
+[#5347]: https://github.com/nymtech/nym/pull/5347
+[#5342]: https://github.com/nymtech/nym/pull/5342
+[#5339]: https://github.com/nymtech/nym/pull/5339
+[#5338]: https://github.com/nymtech/nym/pull/5338
+[#5337]: https://github.com/nymtech/nym/pull/5337
+[#5336]: https://github.com/nymtech/nym/pull/5336
+[#5326]: https://github.com/nymtech/nym/pull/5326
+[#5325]: https://github.com/nymtech/nym/pull/5325
+[#5314]: https://github.com/nymtech/nym/pull/5314
+[#5312]: https://github.com/nymtech/nym/pull/5312
+[#5310]: https://github.com/nymtech/nym/pull/5310
+[#5297]: https://github.com/nymtech/nym/pull/5297
+[#5286]: https://github.com/nymtech/nym/pull/5286
+[#5285]: https://github.com/nymtech/nym/pull/5285
+[#5274]: https://github.com/nymtech/nym/pull/5274
+[#5272]: https://github.com/nymtech/nym/pull/5272
+[#5271]: https://github.com/nymtech/nym/pull/5271
+[#5269]: https://github.com/nymtech/nym/pull/5269
+[#5267]: https://github.com/nymtech/nym/pull/5267
+[#5228]: https://github.com/nymtech/nym/pull/5228
+[#5200]: https://github.com/nymtech/nym/pull/5200
+[#4911]: https://github.com/nymtech/nym/pull/4911
+
+## [2025.1-reeses] (2025-01-15)
+
+- Feature, Future/legacy alert ([#5346])
+- chore: readjusted --mode behaviour to fix the regression ([#5331])
+- chore: apply 1.84 linter suggestions ([#5330])
+- bugfix: make sure refresh data key matches bond info ([#5329])
+- reduce log severity for number of packets being delayed ([#5321])
+- feat: warn users if node is run in exit mode only ([#5320])
+- Bugfix/contract version assignment ([#5318])
+- fixed client session histogram buckets ([#5316])
+- amend 250gb limit ([#5313])
+- feature: expand nym-node prometheus metrics ([#5298])
+- Cherry picked #5286 ([#5287])
+- Add close to credential storage ([#5283])
+- feature: wireguard metrics ([#5278])
+- Add PATCH support to nym-http-api-client ([#5260])
+- chore: removed legacy socks5 listener ([#5259])
+- bugfix: make sure to apply gateway score filtering when choosing initial node ([#5256])
+- Update TS bindings ([#5255])
+- Add conversion unit tests for auth msg ([#5251])
+- Add control messages to GatewayTransciver ([#5247])
+- Remove unneeded async function annotation ([#5246])
+- bugfix: make sure to update timestamp of last batch verification to prevent double redemption ([#5239])
+- Add FromStr impl for UserAgent ([#5236])
+- Extend swagger docs ([#5235])
+- TicketType derive Hash and Eq ([#5233])
+- Add fd callback to client core ([#5230])
+- Extend raw ws fd for gateway client ([#5218])
+- Shipping raw metrics to PG ([#5216])
+- Change sqlite journal mode to WAL ([#5213])
+- Derive serialize for UserAgent ([#5210])
+- Restore Location fields ([#5208])
+- better date serialization ([#5207])
+- Fix overflow ([#5204])
+- feature: hopefully final steps of the smoosh™️ ([#5201])
+- Fix overflow ([#5184])
+- NS API - Gateway stats scraping ([#5180])
+- introduced initial internal commands for nym-cli: ecash key and request generation ([#5174])
+- Move NS client to separate package under NS API ([#5171])
+- build(deps): bump micromatch from 4.0.4 to 4.0.8 in /testnet-faucet ([#4813])
+
+[#5346]: https://github.com/nymtech/nym/pull/5346
+[#5331]: https://github.com/nymtech/nym/pull/5331
+[#5330]: https://github.com/nymtech/nym/pull/5330
+[#5329]: https://github.com/nymtech/nym/pull/5329
+[#5321]: https://github.com/nymtech/nym/pull/5321
+[#5320]: https://github.com/nymtech/nym/pull/5320
+[#5318]: https://github.com/nymtech/nym/pull/5318
+[#5316]: https://github.com/nymtech/nym/pull/5316
+[#5313]: https://github.com/nymtech/nym/pull/5313
+[#5298]: https://github.com/nymtech/nym/pull/5298
+[#5287]: https://github.com/nymtech/nym/pull/5287
+[#5283]: https://github.com/nymtech/nym/pull/5283
+[#5278]: https://github.com/nymtech/nym/pull/5278
+[#5260]: https://github.com/nymtech/nym/pull/5260
+[#5259]: https://github.com/nymtech/nym/pull/5259
+[#5256]: https://github.com/nymtech/nym/pull/5256
+[#5255]: https://github.com/nymtech/nym/pull/5255
+[#5251]: https://github.com/nymtech/nym/pull/5251
+[#5247]: https://github.com/nymtech/nym/pull/5247
+[#5246]: https://github.com/nymtech/nym/pull/5246
+[#5239]: https://github.com/nymtech/nym/pull/5239
+[#5236]: https://github.com/nymtech/nym/pull/5236
+[#5235]: https://github.com/nymtech/nym/pull/5235
+[#5233]: https://github.com/nymtech/nym/pull/5233
+[#5230]: https://github.com/nymtech/nym/pull/5230
+[#5218]: https://github.com/nymtech/nym/pull/5218
+[#5216]: https://github.com/nymtech/nym/pull/5216
+[#5213]: https://github.com/nymtech/nym/pull/5213
+[#5210]: https://github.com/nymtech/nym/pull/5210
+[#5208]: https://github.com/nymtech/nym/pull/5208
+[#5207]: https://github.com/nymtech/nym/pull/5207
+[#5204]: https://github.com/nymtech/nym/pull/5204
+[#5201]: https://github.com/nymtech/nym/pull/5201
+[#5184]: https://github.com/nymtech/nym/pull/5184
+[#5180]: https://github.com/nymtech/nym/pull/5180
+[#5174]: https://github.com/nymtech/nym/pull/5174
+[#5171]: https://github.com/nymtech/nym/pull/5171
+[#4813]: https://github.com/nymtech/nym/pull/4813
+
 ## [2024.14-crunch-patched] (2024-12-17)
 
-- Fixes an issue to allow previously registred clients to connect to latest nym-nodes
+- Fixes an issue to allow previously registered clients to connect to latest nym-nodes
 - Fixes compatibility issues between nym-nodes and older clients
 
 ## [2024.14-crunch] (2024-12-11)
@@ -14,7 +420,7 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://
 - Merge/release/2024.14-crunch ([#5242])
 - bugfix: added explicit openapi servers to account for route prefixes ([#5237])
 - Further config score adjustments ([#5225])
-- feature: remve any filtering on node semver ([#5224])
+- feature: remove any filtering on node semver ([#5224])
 - Backport #5218 ([#5220])
 - Derive serialize for UserAgent (#5210) ([#5217])
 - dont consider legacy nodes for rewarded set selection ([#5215])
@@ -193,7 +599,7 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://
 - bugfix/feature: added NymApiClient method to get all skimmed nodes ([#5062])
 - Merge1/release/2024.13 magura ([#5061])
 - added hacky routes to return nymnodes alongside legacy nodes ([#5051])
-- bugfix: mark migrated gateways as rewarded in the previous epoch in case theyre in the rewarded set ([#5049])
+- bugfix: mark migrated gateways as rewarded in the previous epoch in case they're, their, there in the rewarded set ([#5049])
 - bugfix: adjust runtime storage migration ([#5047])
 - bugfix: supersede 'cb13be27f8f61d9ae74d924e85d2e6787895eb14' by using… ([#5046])
 - bugfix: restore default http port for nym-api ([#5045])
@@ -254,7 +660,7 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://
 - Fix broken build after merge ([#4937])
 - bugfix: correctly paginate through 'search_tx' endpoint ([#4936])
 - Add more conversions for responses of authenticator messages ([#4929])
-- Directory Sevices v2.1 ([#4903])
+- Directory Services, Devices v2.1 ([#4903])
 - Migrate Legacy Node (Frontend)  ([#4826])
 - Fix critical issues SI84 and SI85 from Cure53 ([#4758])
 
@@ -638,7 +1044,7 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://
 - Remove stale peers ([#4640])
 - Add generic wg private network routing ([#4636])
 - Feature/new node endpoints ([#4635])
-- standarised ContractBuildInformation and added it to all contracts ([#4631])
+- standardised ContractBuildInformation and added it to all contracts ([#4631])
 - validate nym-node public ips on startup ([#4630])
 - Bump defguard wg ([#4625])
 - Fix cargo warnings ([#4624])
@@ -1259,7 +1665,7 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://
 - clean-up nym-api startup arguments/flags to use clap 3 and its macro-derived arguments ([#2772])
 - renamed all references to validator_api to nym_api
 - renamed all references to nymd to nyxd ([#2696])
-- all-binaries: standarised argument names (note: old names should still be accepted) ([#2762]
+- all-binaries: standardised argument names (note: old names should still be accepted) ([#2762]
 
 ### Fixed
 
@@ -1764,7 +2170,7 @@ The release also include some additional work for distributed key generation in
 - Explorer UI tests missing data-testid [\#903](https://github.com/nymtech/nym/pull/903) ([tommyv1987](https://github.com/tommyv1987))
 - Fix up Nym-Wallet README.md [\#899](https://github.com/nymtech/nym/pull/899) ([tommyv1987](https://github.com/tommyv1987))
 - Feature/batch delegator rewarding [\#898](https://github.com/nymtech/nym/pull/898) ([jstuczyn](https://github.com/jstuczyn))
-- Bug mapp nodemap [\#897](https://github.com/nymtech/nym/pull/897) ([Aid19801](https://github.com/Aid19801))
+- Bug map nodemap [\#897](https://github.com/nymtech/nym/pull/897) ([Aid19801](https://github.com/Aid19801))
 - Bug fix/macos keyboard shortcuts [\#896](https://github.com/nymtech/nym/pull/896) ([fmtabbara](https://github.com/fmtabbara))
 - Add a Mobile Nav to the Network Explorer [\#895](https://github.com/nymtech/nym/pull/895) ([Aid19801](https://github.com/Aid19801))
 - Only use ts-rs in tests [\#894](https://github.com/nymtech/nym/pull/894) ([durch](https://github.com/durch))

Cargo.toml

@@ -48,13 +48,12 @@ members = [
     "common/credentials-interface",
     "common/crypto",
     "common/dkg",
-    "common/ecash-double-spending",
     "common/ecash-time",
     "common/execute",
     "common/exit-policy",
     "common/gateway-requests",
-    "common/gateway-storage",
     "common/gateway-stats-storage",
+    "common/gateway-storage",
     "common/http-api-client",
     "common/http-api-common",
     "common/inclusion-probability",
@@ -67,7 +66,6 @@ members = [
     "common/nym-id",
     "common/nym-metrics",
     "common/nym_offline_compact_ecash",
-    "common/nymcoconut",
     "common/nymsphinx",
     "common/nymsphinx/acknowledgements",
     "common/nymsphinx/addressing",
@@ -93,17 +91,34 @@ members = [
     "common/topology",
     "common/tun",
     "common/types",
+    "common/verloc",
     "common/wasm/client-core",
     "common/wasm/storage",
     "common/wasm/utils",
     "common/wireguard",
     "common/wireguard-types",
     "documentation/autodoc",
-    "explorer-api",
-    "explorer-api/explorer-api-requests",
-    "explorer-api/explorer-client",
+    # "explorer-api",
+    # "explorer-api/explorer-api-requests",
+    # "explorer-api/explorer-client",
     "gateway",
     "integrations/bity",
+    "nym-api",
+    "nym-api/nym-api-requests",
+    "nym-browser-extension/storage",
+    "nym-credential-proxy/nym-credential-proxy",
+    "nym-credential-proxy/nym-credential-proxy-requests",
+    "nym-credential-proxy/vpn-api-lib-wasm",
+    "nym-network-monitor",
+    "nym-node",
+    "nym-node-status-api/nym-node-status-agent",
+    "nym-node-status-api/nym-node-status-api",
+    "nym-node-status-api/nym-node-status-client",
+    "nym-node/nym-node-metrics",
+    "nym-node/nym-node-requests",
+    "nym-outfox",
+    "nym-validator-rewarder",
+    "nyx-chain-watcher",
     "sdk/ffi/cpp",
     "sdk/ffi/go",
     "sdk/ffi/shared",
@@ -112,27 +127,17 @@ members = [
     "service-providers/common",
     "service-providers/ip-packet-router",
     "service-providers/network-requester",
-    "nym-api",
-    "nym-api/nym-api-requests",
-    "nym-browser-extension/storage",
-    "nym-credential-proxy/nym-credential-proxy",
-    "nym-credential-proxy/nym-credential-proxy-requests",
-    "nym-credential-proxy/vpn-api-lib-wasm",
-    "nym-network-monitor",
-    "nyx-chain-watcher",
-    "nym-node",
-    "nym-node/nym-node-requests",
-    "nym-node/nym-node-metrics",
-    "nym-node-status-api/nym-node-status-agent",
-    "nym-node-status-api/nym-node-status-api",
-    "nym-node-status-api/nym-node-status-client",
-    "nym-outfox",
-    "nym-validator-rewarder",
     "tools/echo-server",
-    "tools/internal/ssl-inject",
+    "tools/echo-server",
+    "tools/internal/contract-state-importer/importer-cli",
+    "tools/internal/contract-state-importer/importer-contract",
+    "tools/internal/mixnet-connectivity-check",
     # "tools/internal/sdk-version-bump",
+    "tools/internal/ssl-inject",
+    "tools/internal/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",
     "tools/nym-id-cli",
     "tools/nym-nr-query",
@@ -143,19 +148,11 @@ members = [
     "wasm/mix-fetch",
     "wasm/node-tester",
     "wasm/zknym-lib",
-    "tools/echo-server",
-    "tools/internal/contract-state-importer/importer-cli",
-    "tools/internal/contract-state-importer/importer-contract",
-    "tools/internal/testnet-manager",
-    "tools/internal/testnet-manager/dkg-bypass-contract",
-    "common/verloc",
-    "tools/internal/mixnet-connectivity-check",
 ]
 
 default-members = [
     "clients/native",
     "clients/socks5",
-    "explorer-api",
     "nym-api",
     "nym-credential-proxy/nym-credential-proxy",
     "nym-node",
@@ -173,7 +170,6 @@ exclude = [
     "explorer",
     "contracts",
     "nym-wallet",
-    "nym-vpn/ui/src-tauri",
     "cpu-cycles",
 ]
 
@@ -189,44 +185,48 @@ readme = "README.md"
 
 [workspace.dependencies]
 addr = "0.15.6"
+aead = "0.5.2"
 aes = "0.8.1"
 aes-gcm = "0.10.1"
 aes-gcm-siv = "0.11.1"
-aead = "0.5.2"
-anyhow = "1.0.95"
+ammonia = "4"
+anyhow = "1.0.97"
+arc-swap = "1.7.1"
 argon2 = "0.5.0"
-async-trait = "0.1.84"
-axum-client-ip = "0.6.1"
+async-trait = "0.1.88"
 axum = "0.7.5"
+axum-client-ip = "0.6.1"
 axum-extra = "0.9.4"
+axum-test = "16.2.0"
 base64 = "0.22.1"
+base85rs = "0.1.3"
 bincode = "1.3.3"
 bip39 = { version = "2.0.0", features = ["zeroize"] }
 bit-vec = "0.7.0"                                     # can we unify those?
 bitvec = "1.0.0"
-blake3 = "1.5.5"
+blake3 = "1.6.1"
 bloomfilter = "1.0.14"
 bs58 = "0.5.1"
 bytecodec = "0.4.15"
-bytes = "1.7.2"
+bytes = "1.10.1"
 cargo_metadata = "0.18.1"
-celes = "2.4.0"
+celes = "2.6.0"
 cfg-if = "1.0.0"
 chacha20 = "0.9.0"
 chacha20poly1305 = "0.10.1"
-chrono = "0.4.39"
+chrono = "0.4.40"
 cipher = "0.4.3"
-clap = "4.5.23"
+clap = "4.5.32"
 clap_complete = "4.5"
 clap_complete_fig = "4.5"
-colored = "2.0"
-comfy-table = "7.1.3"
-console = "0.15.10"
+colored = "2.2"
+comfy-table = "7.1.4"
+console = "0.15.11"
 console-subscriber = "0.1.1"
 console_error_panic_hook = "0.1"
 const-str = "0.5.6"
 const_format = "0.2.34"
-criterion = "0.4"
+criterion = "0.5"
 csv = "1.3.1"
 ctr = "0.9.1"
 cupid = "0.6.1"
@@ -240,58 +240,60 @@ doc-comment = "0.3"
 dotenvy = "0.15.6"
 ecdsa = "0.16"
 ed25519-dalek = "2.1"
-etherparse = "0.13.0"
+encoding_rs = "0.8.35"
+env_logger = "0.11.7"
 envy = "0.4"
+etherparse = "0.13.0"
 eyre = "0.6.9"
 fastrand = "2.1.1"
-flate2 = "1.0.35"
-futures = "0.3.28"
+flate2 = "1.1.0"
+futures = "0.3.31"
 futures-util = "0.3"
 generic-array = "0.14.7"
 getrandom = "0.2.10"
-getset = "0.1.3"
+getset = "0.1.5"
 handlebars = "3.5.5"
 headers = "0.4.0"
 hex = "0.4.3"
 hex-literal = "0.3.3"
+hickory-resolver = "0.24.4"
 hkdf = "0.12.3"
 hmac = "0.12.1"
 http = "1"
 http-body-util = "0.1"
 httpcodec = "0.2.3"
-humantime = "2.1.0"
-humantime-serde = "1.1.1"
 human-repr = "1.1.0"
-hyper = "1.4.1"
+humantime = "2.2.0"
+humantime-serde = "1.1.1"
+hyper = "1.6.0"
 hyper-util = "0.1"
-indicatif = "0.17.9"
+indicatif = "0.17.11"
 inquire = "0.6.2"
 ip_network = "0.4.1"
 ipnetwork = "0.20"
 isocountry = "0.3.2"
-itertools = "0.13.0"
+itertools = "0.14.0"
 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"
-rs_merkle = "1.4.2"
 mime = "0.3.17"
 moka = { version = "0.12", features = ["future"] }
 nix = "0.27.1"
 notify = "5.1.0"
 okapi = "0.7.0"
-once_cell = "1.20.2"
+once_cell = "1.21.1"
 opentelemetry = "0.19.0"
 opentelemetry-jaeger = "0.18.0"
 parking_lot = "0.12.3"
 pem = "0.8"
 petgraph = "0.6.5"
 pin-project = "1.1"
-pin-project-lite = "0.2.15"
+pin-project-lite = "0.2.16"
 pretty_env_logger = "0.4.0"
-publicsuffix = "2.2.3"
+publicsuffix = "2.3.0"
 quote = "1"
 rand = "0.8.5"
 rand_chacha = "0.3"
@@ -305,57 +307,61 @@ reqwest = { version = "0.12.4", default-features = false }
 rocket = "0.5.0"
 rocket_cors = "0.6.0"
 rocket_okapi = "0.8.0"
+rs_merkle = "1.5.0"
 safer-ffi = "0.1.13"
-schemars = "0.8.21"
-semver = "1.0.24"
-serde = "1.0.217"
-serde_bytes = "0.11.15"
+schemars = "0.8.22"
+semver = "1.0.26"
+serde = "1.0.219"
+serde_bytes = "0.11.17"
 serde_derive = "1.0"
-serde_json = "1.0.134"
-serde_json_path = "0.7.1"
+serde_json = "1.0.140"
+serde_json_path = "0.7.2"
 serde_repr = "0.1"
 serde_with = "3.9.0"
 serde_yaml = "0.9.25"
 sha2 = "0.10.8"
 si-scale = "0.2.3"
-sphinx-packet = "0.1.1"
-sqlx = "0.7.4"
+sphinx-packet = "=0.3.2"
+sqlx = "0.8.3"
 strum = "0.26"
 strum_macros = "0.26"
 subtle-encoding = "0.5"
 syn = "1"
-sysinfo = "0.30.13"
+sysinfo = "0.33.0"
 tap = "1.0.1"
-tar = "0.4.43"
-tempfile = "3.14"
-thiserror = "1.0.64"
-time = "0.3.37"
-tokio = "1.39"
+tar = "0.4.44"
+tempfile = "3.19"
+thiserror = "2.0"
+time = "0.3.39"
+tokio = "1.44"
+tokio-postgres = "0.7"
 tokio-stream = "0.1.17"
 tokio-test = "0.4.4"
 tokio-tun = "0.11.5"
 tokio-tungstenite = { version = "0.20.1" }
-tokio-util = "0.7.13"
-toml = "0.8.19"
-tower = "0.4.13"
+tokio-util = "0.7.14"
+toml = "0.8.20"
+tower = "0.5.2"
 tower-http = "0.5.2"
 tracing = "0.1.41"
+tracing-log = "0.2"
 tracing-opentelemetry = "0.19.0"
 tracing-subscriber = "0.3.19"
 tracing-tree = "0.2.2"
-tracing-log = "0.2"
-ts-rs = "10.0.0"
+ts-rs = "10.1.0"
 tungstenite = { version = "0.20.1", default-features = false }
+uniffi = "0.29.0"
+uniffi_build = "0.29.0"
 url = "2.5"
 utoipa = "5.2"
-utoipa-swagger-ui = "8.0"
+utoipa-swagger-ui = "8.1"
 utoipauto = "0.2"
 uuid = "*"
 vergen = { version = "=8.3.1", default-features = false }
 walkdir = "2"
-wasm-bindgen-test = "0.3.45"
+wasm-bindgen-test = "0.3.49"
 x25519-dalek = "2.0.0"
-zeroize = "1.6.0"
+zeroize = "1.8.1"
 
 prometheus = { version = "0.13.0" }
 
@@ -363,9 +369,9 @@ prometheus = { version = "0.13.0" }
 # unfortunately until https://github.com/zkcrypto/bls12_381/issues/10 is resolved, we have to rely on the fork
 # as we need to be able to serialize Gt so that we could create the lookup table for baby-step-giant-step algorithm
 # plus to make our live easier we need serde support from https://github.com/zkcrypto/bls12_381/pull/125
-bls12_381 = { git = "https://github.com/jstuczyn/bls12_381", default-features = false, branch = "temp/experimental-serdect" }
+bls12_381 = { git = "https://github.com/jstuczyn/bls12_381", default-features = false, branch = "temp/experimental-serdect-updated" }
 group = { version = "0.13.0", default-features = false }
-ff = { version = "0.13.0", default-features = false }
+ff = { version = "0.13.1", default-features = false }
 subtle = "2.5.0"
 
 # cosmwasm-related
@@ -384,31 +390,26 @@ cw4 = { version = "=1.1.2" }
 cw-controllers = { version = "=1.1.0" }
 
 # cosmrs-related
-bip32 = { version = "0.5.2", default-features = false }
+bip32 = { version = "0.5.3", default-features = false }
 
-# temporarily using a fork again (yay.) because we need staking and slashing support (which are already on main but not released)
-# plus response message parsing (which is, as of the time of writing this message, waiting to get merged)
-#cosmrs = { path = "../cosmos-rust-fork/cosmos-rust/cosmrs" }
-cosmrs = { git = "https://github.com/cosmos/cosmos-rust", rev = "4b1332e6d8258ac845cef71589c8d362a669675a" } # unfortuntely we need a fork by yours truly to get the staking support
-tendermint = "0.37.0"                                                                                        # same version as used by cosmrs
-tendermint-rpc = "0.37.0"                                                                                    # same version as used by cosmrs
-prost = { version = "0.12", default-features = false }
+
+cosmrs = { version = "0.21.1" }
+tendermint = "0.40.0"
+tendermint-rpc = "0.40.0"
+prost = { version = "0.13", default-features = false }
 
 # wasm-related dependencies
 gloo-utils = "0.2.0"
-gloo-net = "0.5.0"
+gloo-net = "0.6.0"
 
-# use a separate branch due to feature unification failures
-# this is blocked until the upstream removes outdates `wasm_bindgen` feature usage
-# indexed_db_futures = "0.4.1"
-indexed_db_futures = { git = "https://github.com/TiemenSch/rust-indexed-db", branch = "update-uuid" }
+indexed_db_futures = "0.6.1"
 js-sys = "0.3.76"
 serde-wasm-bindgen = "0.6.5"
 tsify = "0.4.5"
 wasm-bindgen = "0.2.99"
 wasm-bindgen-futures = "0.4.49"
-wasmtimer = "0.2.0"
-web-sys = "0.3.72"
+wasmtimer = "0.4.1"
+web-sys = "0.3.76"
 
 # Profile settings for individual crates
 
@@ -436,3 +437,13 @@ opt-level = 'z'
 [profile.release.package.mix-fetch-wasm]
 # lto = true
 opt-level = 'z'
+
+[workspace.lints.clippy]
+unwrap_used = "deny"
+expect_used = "deny"
+todo = "deny"
+dbg_macro = "deny"
+exit = "deny"
+panic = "deny"
+unimplemented = "deny"
+unreachable = "deny"

README.md

@@ -13,8 +13,8 @@ The platform is composed of multiple Rust crates. Top-level executable binary cr
 * `nym-client` - an executable which you can build into your own applications. Use it for interacting with Nym nodes.
 * `nym-socks5-client` - a Socks5 proxy you can run on your machine and use with existing applications.
 * `nym-explorer` - a (projected) block explorer and (existing) mixnet viewer.
-* `nym-wallet` - a desktop wallet implemented using the [Tauri](https://tauri.studio/en/docs/about/intro) framework.
-* `nym-cli` - a tool for interacting with the network from the CLI. 
+* `nym-wallet` - a desktop wallet implemented using the [Tauri](https://tauri.app)) framework.
+* `nym-cli` - a tool for interacting with the network from the CLI.
 <!-- coming soon
 * `nym-network-monitor` - sends packets through the full system to check that they are working as expected, and stores node uptime histories as the basis of a rewards system ("mixmining" or "proof-of-mixing").
 -->
@@ -42,10 +42,10 @@ client ───► Gateway ──┘  mix  │  mix  ┌─►mix ───►
 
 References for developers:
 
-* [Dev Docs](https://nymtech.net/docs/developers)
-* [SDKs](https://nymtech.net/docs/developers/rust)
-* [Network Docs](https://nymtech.net/docs/network)
-* [Release Cycle - git flow](https://nymtech.net/docs/operators/release-cycle)
+* [Dev Docs](https://nym.com/docs/developers)
+* [SDKs](https://nym.com/docs/developers/rust)
+* [Network Docs](https://nym.com/docs/network)
+* [Release Cycle - git flow](https://nym.com/docs/operators/release-cycle)
 
 ### Developer chat
 
@@ -66,4 +66,14 @@ As a general approach, licensing is as follows this pattern:
 - libraries and components are Apache 2.0 or MIT
 - documentation is Apache 2.0 or CC0-1.0
 
-Nym Node Operators and Validators Temrs and Conditions can be found [here](https://nymtech.net/terms-and-conditions/operators/v1.0.0).
+Nym Node Operators and Validators Terms and Conditions can be found [here](https://nym.com/operators-validators-terms).
+
+## Getting Started
+
+```bash
+yarn install
+```
+
+```bash
+yarn build
+```

clients/native/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "nym-client"
-version = "1.1.45"
+version = "1.1.51"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>", "Jędrzej Stuczyński <andrew@nymtech.net>"]
 description = "Implementation of the Nym Client"
 edition = "2021"

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

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

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

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

clients/native/src/client/mod.rs

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

clients/native/src/commands/init.rs

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

clients/native/src/commands/mod.rs

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

clients/native/src/commands/run.rs

@@ -41,6 +41,7 @@ impl From<Run> for OverrideConfig {
             nyxd_urls: run_config.common_args.nyxd_urls,
             enabled_credentials_mode: run_config.common_args.enabled_credentials_mode,
             stats_reporting_address: run_config.common_args.stats_reporting_address,
+            forget_me: run_config.common_args.forget_me.into(),
         }
     }
 }

clients/native/src/websocket/handler.rs

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

clients/native/src/websocket/listener.rs

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

clients/socks5/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "nym-socks5-client"
-version = "1.1.45"
+version = "1.1.51"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>"]
 description = "A SOCKS5 localhost proxy that converts incoming messages to Sphinx and sends them to a Nym address"
 edition = "2021"

clients/socks5/src/commands/init.rs

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

clients/socks5/src/commands/mod.rs

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

clients/socks5/src/commands/run.rs

@@ -65,6 +65,7 @@ impl From<Run> for OverrideConfig {
             enabled_credentials_mode: run_config.common_args.enabled_credentials_mode,
             outfox: run_config.outfox,
             stats_reporting_address: run_config.common_args.stats_reporting_address,
+            forget_me: run_config.common_args.forget_me.into(),
         }
     }
 }

clients/socks5/src/config/template.rs

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

clippy.toml

@@ -1,2 +1,3 @@
 allow-unwrap-in-tests = true
 allow-expect-in-tests = true
+allow-panic-in-tests = true

common/authenticator-requests/src/lib.rs

@@ -6,14 +6,15 @@ pub mod v1;
 pub mod v2;
 pub mod v3;
 pub mod v4;
+pub mod v5;
 
 mod error;
 mod util;
 
 pub use error::Error;
-pub use v4 as latest;
+pub use v5 as latest;
 
-pub const CURRENT_VERSION: u8 = 4;
+pub const CURRENT_VERSION: u8 = 5;
 
 fn make_bincode_serializer() -> impl bincode::Options {
     use bincode::Options;

common/authenticator-requests/src/traits.rs

@@ -8,8 +8,8 @@ use nym_sphinx::addressing::clients::Recipient;
 use nym_wireguard_types::PeerPublicKey;
 
 use crate::{
-    v1, v2, v3,
-    v4::{self, registration::IpPair},
+    v1, v2, v3, v4,
+    v5::{self, registration::IpPair},
     Error,
 };
 
@@ -19,6 +19,7 @@ pub enum AuthenticatorVersion {
     V2,
     V3,
     V4,
+    V5,
     UNKNOWN,
 }
 
@@ -34,6 +35,8 @@ impl From<Protocol> for AuthenticatorVersion {
             AuthenticatorVersion::V3
         } else if value.version == v4::VERSION {
             AuthenticatorVersion::V4
+        } else if value.version == v5::VERSION {
+            AuthenticatorVersion::V5
         } else {
             AuthenticatorVersion::UNKNOWN
         }
@@ -68,6 +71,12 @@ impl InitMessage for v4::registration::InitMessage {
     }
 }
 
+impl InitMessage for v5::registration::InitMessage {
+    fn pub_key(&self) -> PeerPublicKey {
+        self.pub_key
+    }
+}
+
 pub trait FinalMessage {
     fn pub_key(&self) -> PeerPublicKey;
     fn verify(&self, private_key: &PrivateKey, nonce: u64) -> Result<(), Error>;
@@ -138,6 +147,24 @@ impl FinalMessage for v4::registration::FinalMessage {
         self.gateway_client.verify(private_key, nonce)
     }
 
+    fn private_ips(&self) -> IpPair {
+        self.gateway_client.private_ips.into()
+    }
+
+    fn credential(&self) -> Option<CredentialSpendingData> {
+        self.credential.clone()
+    }
+}
+
+impl FinalMessage for v5::registration::FinalMessage {
+    fn pub_key(&self) -> PeerPublicKey {
+        self.gateway_client.pub_key
+    }
+
+    fn verify(&self, private_key: &PrivateKey, nonce: u64) -> Result<(), Error> {
+        self.gateway_client.verify(private_key, nonce)
+    }
+
     fn private_ips(&self) -> IpPair {
         self.gateway_client.private_ips
     }
@@ -182,29 +209,39 @@ impl TopUpMessage for v4::topup::TopUpMessage {
     }
 }
 
+impl TopUpMessage for v5::topup::TopUpMessage {
+    fn pub_key(&self) -> PeerPublicKey {
+        self.pub_key
+    }
+
+    fn credential(&self) -> CredentialSpendingData {
+        self.credential.clone()
+    }
+}
+
 pub enum AuthenticatorRequest {
     Initial {
         msg: Box<dyn InitMessage + Send + Sync + 'static>,
         protocol: Protocol,
-        reply_to: Recipient,
+        reply_to: Option<Recipient>,
         request_id: u64,
     },
     Final {
         msg: Box<dyn FinalMessage + Send + Sync + 'static>,
         protocol: Protocol,
-        reply_to: Recipient,
+        reply_to: Option<Recipient>,
         request_id: u64,
     },
     QueryBandwidth {
         msg: Box<dyn QueryBandwidthMessage + Send + Sync + 'static>,
         protocol: Protocol,
-        reply_to: Recipient,
+        reply_to: Option<Recipient>,
         request_id: u64,
     },
     TopUpBandwidth {
         msg: Box<dyn TopUpMessage + Send + Sync + 'static>,
         protocol: Protocol,
-        reply_to: Recipient,
+        reply_to: Option<Recipient>,
         request_id: u64,
     },
 }
@@ -218,7 +255,7 @@ impl From<v1::request::AuthenticatorRequest> for AuthenticatorRequest {
                     version: value.version,
                     service_provider_type: ServiceProviderType::Authenticator,
                 },
-                reply_to: value.reply_to,
+                reply_to: Some(value.reply_to),
                 request_id: value.request_id,
             },
             v1::request::AuthenticatorRequestData::Final(gateway_client) => Self::Final {
@@ -227,7 +264,7 @@ impl From<v1::request::AuthenticatorRequest> for AuthenticatorRequest {
                     version: value.version,
                     service_provider_type: ServiceProviderType::Authenticator,
                 },
-                reply_to: value.reply_to,
+                reply_to: Some(value.reply_to),
                 request_id: value.request_id,
             },
             v1::request::AuthenticatorRequestData::QueryBandwidth(peer_public_key) => {
@@ -237,7 +274,7 @@ impl From<v1::request::AuthenticatorRequest> for AuthenticatorRequest {
                         version: value.version,
                         service_provider_type: ServiceProviderType::Authenticator,
                     },
-                    reply_to: value.reply_to,
+                    reply_to: Some(value.reply_to),
                     request_id: value.request_id,
                 }
             }
@@ -251,20 +288,20 @@ impl From<v2::request::AuthenticatorRequest> for AuthenticatorRequest {
             v2::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
                 msg: Box::new(init_message),
                 protocol: value.protocol,
-                reply_to: value.reply_to,
+                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: value.reply_to,
+                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: value.reply_to,
+                    reply_to: Some(value.reply_to),
                     request_id: value.request_id,
                 }
             }
@@ -278,20 +315,20 @@ impl From<v3::request::AuthenticatorRequest> for AuthenticatorRequest {
             v3::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
                 msg: Box::new(init_message),
                 protocol: value.protocol,
-                reply_to: value.reply_to,
+                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: value.reply_to,
+                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: value.reply_to,
+                    reply_to: Some(value.reply_to),
                     request_id: value.request_id,
                 }
             }
@@ -299,7 +336,7 @@ impl From<v3::request::AuthenticatorRequest> for AuthenticatorRequest {
                 Self::TopUpBandwidth {
                     msg: top_up_message,
                     protocol: value.protocol,
-                    reply_to: value.reply_to,
+                    reply_to: Some(value.reply_to),
                     request_id: value.request_id,
                 }
             }
@@ -313,20 +350,20 @@ impl From<v4::request::AuthenticatorRequest> for AuthenticatorRequest {
             v4::request::AuthenticatorRequestData::Initial(init_message) => Self::Initial {
                 msg: Box::new(init_message),
                 protocol: value.protocol,
-                reply_to: value.reply_to,
+                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: value.reply_to,
+                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: value.reply_to,
+                    reply_to: Some(value.reply_to),
                     request_id: value.request_id,
                 }
             }
@@ -334,7 +371,42 @@ impl From<v4::request::AuthenticatorRequest> for AuthenticatorRequest {
                 Self::TopUpBandwidth {
                     msg: top_up_message,
                     protocol: value.protocol,
-                    reply_to: value.reply_to,
+                    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,
                 }
             }

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

@@ -28,7 +28,7 @@ pub type HmacSha256 = Hmac<Sha256>;
 pub type Nonce = u64;
 pub type Taken = Option<SystemTime>;
 
-pub const BANDWIDTH_CAP_PER_DAY: u64 = 1024 * 1024 * 1024; // 1 GB
+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 {
@@ -60,7 +60,7 @@ impl From<IpAddr> for IpPair {
             std::net::IpAddr::V4(ipv4_addr) => (ipv4_addr.octets()[2], ipv4_addr.octets()[3]),
             std::net::IpAddr::V6(ipv6_addr) => (ipv6_addr.octets()[14], ipv6_addr.octets()[15]),
         };
-        let last_bytes = (before_last_byte as u16) << 8 | last_byte as u16;
+        let last_bytes = ((before_last_byte as u16) << 8) | last_byte as u16;
         let ipv4 = Ipv4Addr::new(
             WG_TUN_DEVICE_IP_ADDRESS_V4.octets()[0],
             WG_TUN_DEVICE_IP_ADDRESS_V4.octets()[1],

common/authenticator-requests/src/v5/conversion.rs

@@ -0,0 +1,478 @@
+// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use nym_service_provider_requests_common::{Protocol, ServiceProviderType};
+
+use crate::{v4, v5};
+
+impl From<v4::request::AuthenticatorRequest> for v5::request::AuthenticatorRequest {
+    fn from(authenticator_request: v4::request::AuthenticatorRequest) -> Self {
+        Self {
+            protocol: Protocol {
+                version: 5,
+                service_provider_type: ServiceProviderType::Authenticator,
+            },
+            data: authenticator_request.data.into(),
+            request_id: authenticator_request.request_id,
+        }
+    }
+}
+
+impl From<v4::request::AuthenticatorRequestData> for v5::request::AuthenticatorRequestData {
+    fn from(authenticator_request_data: v4::request::AuthenticatorRequestData) -> Self {
+        match authenticator_request_data {
+            v4::request::AuthenticatorRequestData::Initial(init_msg) => {
+                v5::request::AuthenticatorRequestData::Initial(init_msg.into())
+            }
+            v4::request::AuthenticatorRequestData::Final(final_msg) => {
+                v5::request::AuthenticatorRequestData::Final(Box::new((*final_msg).into()))
+            }
+            v4::request::AuthenticatorRequestData::QueryBandwidth(pub_key) => {
+                v5::request::AuthenticatorRequestData::QueryBandwidth(pub_key)
+            }
+            v4::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message) => {
+                v5::request::AuthenticatorRequestData::TopUpBandwidth(top_up_message.into())
+            }
+        }
+    }
+}
+
+impl From<v4::registration::InitMessage> for v5::registration::InitMessage {
+    fn from(init_msg: v4::registration::InitMessage) -> Self {
+        Self {
+            pub_key: init_msg.pub_key,
+        }
+    }
+}
+
+impl From<v4::registration::FinalMessage> for v5::registration::FinalMessage {
+    fn from(final_msg: v4::registration::FinalMessage) -> Self {
+        Self {
+            gateway_client: final_msg.gateway_client.into(),
+            credential: final_msg.credential,
+        }
+    }
+}
+
+impl From<v4::registration::GatewayClient> for v5::registration::GatewayClient {
+    fn from(gateway_client: v4::registration::GatewayClient) -> Self {
+        Self {
+            pub_key: gateway_client.pub_key,
+            private_ips: gateway_client.private_ips.into(),
+            mac: gateway_client.mac.into(),
+        }
+    }
+}
+
+impl From<v5::registration::GatewayClient> for v4::registration::GatewayClient {
+    fn from(gateway_client: v5::registration::GatewayClient) -> Self {
+        Self {
+            pub_key: gateway_client.pub_key,
+            private_ips: gateway_client.private_ips.into(),
+            mac: gateway_client.mac.into(),
+        }
+    }
+}
+
+impl From<v4::registration::ClientMac> for v5::registration::ClientMac {
+    fn from(client_mac: v4::registration::ClientMac) -> Self {
+        Self::new((*client_mac).clone())
+    }
+}
+
+impl From<v5::registration::ClientMac> for v4::registration::ClientMac {
+    fn from(client_mac: v5::registration::ClientMac) -> Self {
+        Self::new((*client_mac).clone())
+    }
+}
+
+impl From<Box<v4::topup::TopUpMessage>> for Box<v5::topup::TopUpMessage> {
+    fn from(top_up_message: Box<v4::topup::TopUpMessage>) -> Self {
+        Box::new(v5::topup::TopUpMessage {
+            pub_key: top_up_message.pub_key,
+            credential: top_up_message.credential,
+        })
+    }
+}
+
+impl From<v4::response::AuthenticatorResponse> for v5::response::AuthenticatorResponse {
+    fn from(value: v4::response::AuthenticatorResponse) -> Self {
+        Self {
+            protocol: Protocol {
+                version: 5,
+                service_provider_type: value.protocol.service_provider_type,
+            },
+            data: value.data.into(),
+        }
+    }
+}
+
+impl From<v4::response::AuthenticatorResponseData> for v5::response::AuthenticatorResponseData {
+    fn from(authenticator_response_data: v4::response::AuthenticatorResponseData) -> Self {
+        match authenticator_response_data {
+            v4::response::AuthenticatorResponseData::PendingRegistration(pending_response) => {
+                v5::response::AuthenticatorResponseData::PendingRegistration(
+                    pending_response.into(),
+                )
+            }
+            v4::response::AuthenticatorResponseData::Registered(registered_response) => {
+                v5::response::AuthenticatorResponseData::Registered(registered_response.into())
+            }
+            v4::response::AuthenticatorResponseData::RemainingBandwidth(
+                remaining_bandwidth_response,
+            ) => v5::response::AuthenticatorResponseData::RemainingBandwidth(
+                remaining_bandwidth_response.into(),
+            ),
+            v4::response::AuthenticatorResponseData::TopUpBandwidth(top_up_response) => {
+                v5::response::AuthenticatorResponseData::TopUpBandwidth(top_up_response.into())
+            }
+        }
+    }
+}
+
+impl From<v4::response::RegisteredResponse> for v5::response::RegisteredResponse {
+    fn from(value: v4::response::RegisteredResponse) -> Self {
+        Self {
+            request_id: value.request_id,
+            reply: value.reply.into(),
+        }
+    }
+}
+
+impl From<v4::response::PendingRegistrationResponse> for v5::response::PendingRegistrationResponse {
+    fn from(value: v4::response::PendingRegistrationResponse) -> Self {
+        Self {
+            request_id: value.request_id,
+            reply: value.reply.into(),
+        }
+    }
+}
+
+impl From<v4::registration::RegistrationData> for v5::registration::RegistrationData {
+    fn from(value: v4::registration::RegistrationData) -> Self {
+        Self {
+            nonce: value.nonce,
+            gateway_data: value.gateway_data.into(),
+            wg_port: value.wg_port,
+        }
+    }
+}
+
+impl From<v5::registration::RegistrationData> for v4::registration::RegistrationData {
+    fn from(value: v5::registration::RegistrationData) -> Self {
+        Self {
+            nonce: value.nonce,
+            gateway_data: value.gateway_data.into(),
+            wg_port: value.wg_port,
+        }
+    }
+}
+
+impl From<v4::response::RemainingBandwidthResponse> for v5::response::RemainingBandwidthResponse {
+    fn from(value: v4::response::RemainingBandwidthResponse) -> Self {
+        Self {
+            request_id: value.request_id,
+            reply: value.reply.map(Into::into),
+        }
+    }
+}
+
+impl From<v4::response::TopUpBandwidthResponse> for v5::response::TopUpBandwidthResponse {
+    fn from(value: v4::response::TopUpBandwidthResponse) -> Self {
+        Self {
+            request_id: value.request_id,
+            reply: value.reply.into(),
+        }
+    }
+}
+
+impl From<v4::registration::RegistredData> for v5::registration::RegistredData {
+    fn from(value: v4::registration::RegistredData) -> Self {
+        Self {
+            pub_key: value.pub_key,
+            private_ips: value.private_ips.into(),
+            wg_port: value.wg_port,
+        }
+    }
+}
+
+impl From<v4::registration::RemainingBandwidthData> for v5::registration::RemainingBandwidthData {
+    fn from(value: v4::registration::RemainingBandwidthData) -> Self {
+        Self {
+            available_bandwidth: value.available_bandwidth,
+        }
+    }
+}
+
+impl From<v4::registration::IpPair> for v5::registration::IpPair {
+    fn from(value: v4::registration::IpPair) -> Self {
+        Self {
+            ipv4: value.ipv4,
+            ipv6: value.ipv6,
+        }
+    }
+}
+
+impl From<v5::registration::IpPair> for v4::registration::IpPair {
+    fn from(value: v5::registration::IpPair) -> Self {
+        Self {
+            ipv4: value.ipv4,
+            ipv6: value.ipv6,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::{
+        net::{Ipv4Addr, Ipv6Addr},
+        str::FromStr,
+    };
+
+    use nym_credentials_interface::CredentialSpendingData;
+    use nym_crypto::asymmetric::encryption::PrivateKey;
+    use nym_sphinx::addressing::Recipient;
+    use nym_wireguard_types::PeerPublicKey;
+    use x25519_dalek::PublicKey;
+
+    use super::*;
+    use crate::{
+        util::tests::{CREDENTIAL_BYTES, RECIPIENT},
+        v4,
+    };
+
+    #[test]
+    fn upgrade_initial_req() {
+        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
+        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
+
+        let (msg, _) = v4::request::AuthenticatorRequest::new_initial_request(
+            v4::registration::InitMessage::new(pub_key),
+            reply_to,
+        );
+        let upgraded_msg = v5::request::AuthenticatorRequest::from(msg);
+
+        assert_eq!(
+            upgraded_msg.protocol,
+            Protocol {
+                version: 5,
+                service_provider_type: ServiceProviderType::Authenticator
+            }
+        );
+        assert_eq!(
+            upgraded_msg.data,
+            v5::request::AuthenticatorRequestData::Initial(v5::registration::InitMessage {
+                pub_key
+            })
+        );
+    }
+
+    #[test]
+    fn upgrade_final_req() {
+        let mut rng = rand::thread_rng();
+
+        let local_secret = PrivateKey::new(&mut rng);
+        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
+        let ipv4 = Ipv4Addr::from_str("10.10.10.10").unwrap();
+        let ipv6 = Ipv6Addr::from_str("fc01::a0a").unwrap();
+        let ips = v4::registration::IpPair::new(ipv4, ipv6);
+        let nonce = 42;
+        let gateway_client = v4::registration::GatewayClient::new(
+            &local_secret,
+            (&remote_secret).into(),
+            ips,
+            nonce,
+        );
+        let credential = Some(CredentialSpendingData::try_from_bytes(&CREDENTIAL_BYTES).unwrap());
+        let final_message = v4::registration::FinalMessage {
+            gateway_client: gateway_client.clone(),
+            credential: credential.clone(),
+        };
+        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
+
+        let (msg, _) =
+            v4::request::AuthenticatorRequest::new_final_request(final_message, reply_to);
+        let upgraded_msg = v5::request::AuthenticatorRequest::from(msg);
+
+        assert_eq!(
+            upgraded_msg.protocol,
+            Protocol {
+                version: 5,
+                service_provider_type: ServiceProviderType::Authenticator
+            }
+        );
+        assert_eq!(
+            upgraded_msg.data,
+            v5::request::AuthenticatorRequestData::Final(Box::new(
+                v5::registration::FinalMessage {
+                    gateway_client: v5::registration::GatewayClient::new(
+                        &local_secret,
+                        (&remote_secret).into(),
+                        v5::registration::IpPair::new(ipv4, ipv6),
+                        nonce
+                    ),
+                    credential
+                }
+            ))
+        );
+    }
+
+    #[test]
+    fn upgrade_query_req() {
+        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
+        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
+
+        let (msg, _) = v4::request::AuthenticatorRequest::new_query_request(pub_key, reply_to);
+        let upgraded_msg = v5::request::AuthenticatorRequest::from(msg);
+
+        assert_eq!(
+            upgraded_msg.protocol,
+            Protocol {
+                version: 5,
+                service_provider_type: ServiceProviderType::Authenticator
+            }
+        );
+        assert_eq!(
+            upgraded_msg.data,
+            v5::request::AuthenticatorRequestData::QueryBandwidth(pub_key)
+        );
+    }
+
+    #[test]
+    fn upgrade_pending_reg_resp() {
+        let mut rng = rand::thread_rng();
+
+        let local_secret = PrivateKey::new(&mut rng);
+        let remote_secret = x25519_dalek::StaticSecret::random_from_rng(&mut rng);
+        let ipv4 = Ipv4Addr::from_str("10.10.10.10").unwrap();
+        let ipv6 = Ipv6Addr::from_str("fc01::a0a").unwrap();
+        let ips = v4::registration::IpPair::new(ipv4, ipv6);
+        let nonce = 42;
+        let wg_port = 51822;
+        let gateway_data = v4::registration::GatewayClient::new(
+            &local_secret,
+            (&remote_secret).into(),
+            ips,
+            nonce,
+        );
+        let registration_data = v4::registration::RegistrationData {
+            nonce,
+            gateway_data,
+            wg_port,
+        };
+        let request_id = 123;
+        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
+
+        let msg = v4::response::AuthenticatorResponse::new_pending_registration_success(
+            registration_data,
+            request_id,
+            reply_to,
+        );
+        let upgraded_msg = v5::response::AuthenticatorResponse::from(msg);
+
+        assert_eq!(
+            upgraded_msg.protocol,
+            Protocol {
+                version: 5,
+                service_provider_type: ServiceProviderType::Authenticator
+            }
+        );
+
+        assert_eq!(
+            upgraded_msg.data,
+            v5::response::AuthenticatorResponseData::PendingRegistration(
+                v5::response::PendingRegistrationResponse {
+                    request_id,
+                    reply: v5::registration::RegistrationData {
+                        nonce,
+                        gateway_data: v5::registration::GatewayClient::new(
+                            &local_secret,
+                            (&remote_secret).into(),
+                            v5::registration::IpPair::new(ipv4, ipv6),
+                            nonce
+                        ),
+                        wg_port
+                    }
+                }
+            )
+        );
+    }
+
+    #[test]
+    fn upgrade_registered_resp() {
+        let pub_key = PeerPublicKey::new(PublicKey::from([0; 32]));
+        let ipv4 = Ipv4Addr::from_str("10.1.10.10").unwrap();
+        let ipv6 = Ipv6Addr::from_str("fc01::a0a").unwrap();
+        let private_ips = v4::registration::IpPair::new(ipv4, ipv6);
+        let wg_port = 51822;
+        let registred_data = v4::registration::RegistredData {
+            pub_key,
+            private_ips,
+            wg_port,
+        };
+        let request_id = 123;
+        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
+
+        let msg = v4::response::AuthenticatorResponse::new_registered(
+            registred_data,
+            reply_to,
+            request_id,
+        );
+        let upgraded_msg = v5::response::AuthenticatorResponse::from(msg);
+
+        assert_eq!(
+            upgraded_msg.protocol,
+            Protocol {
+                version: 5,
+                service_provider_type: ServiceProviderType::Authenticator
+            }
+        );
+        assert_eq!(
+            upgraded_msg.data,
+            v5::response::AuthenticatorResponseData::Registered(v5::response::RegisteredResponse {
+                request_id,
+                reply: v5::registration::RegistredData {
+                    wg_port,
+                    pub_key,
+                    private_ips: v5::registration::IpPair::new(ipv4, ipv6)
+                }
+            })
+        );
+    }
+
+    #[test]
+    fn upgrade_remaining_bandwidth_resp() {
+        let available_bandwidth = 42;
+        let remaining_bandwidth_data = Some(v4::registration::RemainingBandwidthData {
+            available_bandwidth,
+        });
+        let request_id = 123;
+        let reply_to = Recipient::try_from_base58_string(RECIPIENT).unwrap();
+
+        let msg = v4::response::AuthenticatorResponse::new_remaining_bandwidth(
+            remaining_bandwidth_data,
+            reply_to,
+            request_id,
+        );
+        let upgraded_msg = v5::response::AuthenticatorResponse::from(msg);
+
+        assert_eq!(
+            upgraded_msg.protocol,
+            Protocol {
+                version: 5,
+                service_provider_type: ServiceProviderType::Authenticator
+            }
+        );
+        assert_eq!(
+            upgraded_msg.data,
+            v5::response::AuthenticatorResponseData::RemainingBandwidth(
+                v5::response::RemainingBandwidthResponse {
+                    request_id,
+                    reply: Some(v5::registration::RemainingBandwidthData {
+                        available_bandwidth,
+                    })
+                }
+            )
+        );
+    }
+}

common/authenticator-requests/src/v5/mod.rs

@@ -0,0 +1,10 @@
+// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+pub mod conversion;
+pub mod registration;
+pub mod request;
+pub mod response;
+pub mod topup;
+
+pub const VERSION: u8 = 5;

common/authenticator-requests/src/v5/registration.rs

@@ -0,0 +1,287 @@
+// -2024 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::error::Error;
+use base64::{engine::general_purpose, Engine};
+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;
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
+use std::time::SystemTime;
+use std::{fmt, ops::Deref, str::FromStr};
+
+#[cfg(feature = "verify")]
+use hmac::{Hmac, Mac};
+#[cfg(feature = "verify")]
+use nym_crypto::asymmetric::encryption::PrivateKey;
+#[cfg(feature = "verify")]
+use sha2::Sha256;
+
+pub type PendingRegistrations = HashMap<PeerPublicKey, RegistrationData>;
+pub type PrivateIPs = HashMap<IpPair, Taken>;
+
+#[cfg(feature = "verify")]
+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,
+    pub ipv6: Ipv6Addr,
+}
+
+impl IpPair {
+    pub fn new(ipv4: Ipv4Addr, ipv6: Ipv6Addr) -> Self {
+        IpPair { ipv4, ipv6 }
+    }
+}
+
+impl From<(Ipv4Addr, Ipv6Addr)> for IpPair {
+    fn from((ipv4, ipv6): (Ipv4Addr, Ipv6Addr)) -> Self {
+        IpPair { ipv4, ipv6 }
+    }
+}
+
+impl fmt::Display for IpPair {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "({}, {})", self.ipv4, self.ipv6)
+    }
+}
+
+impl From<IpAddr> for IpPair {
+    fn from(value: IpAddr) -> Self {
+        let (before_last_byte, last_byte) = match value {
+            std::net::IpAddr::V4(ipv4_addr) => (ipv4_addr.octets()[2], ipv4_addr.octets()[3]),
+            std::net::IpAddr::V6(ipv6_addr) => (ipv6_addr.octets()[14], ipv6_addr.octets()[15]),
+        };
+        let last_bytes = ((before_last_byte as u16) << 8) | last_byte as u16;
+        let ipv4 = Ipv4Addr::new(
+            WG_TUN_DEVICE_IP_ADDRESS_V4.octets()[0],
+            WG_TUN_DEVICE_IP_ADDRESS_V4.octets()[1],
+            before_last_byte,
+            last_byte,
+        );
+        let ipv6 = Ipv6Addr::new(
+            WG_TUN_DEVICE_IP_ADDRESS_V6.segments()[0],
+            WG_TUN_DEVICE_IP_ADDRESS_V6.segments()[1],
+            WG_TUN_DEVICE_IP_ADDRESS_V6.segments()[2],
+            WG_TUN_DEVICE_IP_ADDRESS_V6.segments()[3],
+            WG_TUN_DEVICE_IP_ADDRESS_V6.segments()[4],
+            WG_TUN_DEVICE_IP_ADDRESS_V6.segments()[5],
+            WG_TUN_DEVICE_IP_ADDRESS_V6.segments()[6],
+            last_bytes,
+        );
+        IpPair::new(ipv4, ipv6)
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct InitMessage {
+    /// Base64 encoded x25519 public key
+    pub pub_key: PeerPublicKey,
+}
+
+impl InitMessage {
+    pub fn new(pub_key: PeerPublicKey) -> Self {
+        InitMessage { pub_key }
+    }
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct FinalMessage {
+    /// Gateway client data
+    pub gateway_client: GatewayClient,
+
+    /// Ecash credential
+    pub credential: Option<CredentialSpendingData>,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct RegistrationData {
+    pub nonce: u64,
+    pub gateway_data: GatewayClient,
+    pub wg_port: u16,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct RegistredData {
+    pub pub_key: PeerPublicKey,
+    pub private_ips: IpPair,
+    pub wg_port: u16,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct RemainingBandwidthData {
+    pub available_bandwidth: i64,
+}
+
+/// Client that wants to register sends its PublicKey bytes mac digest encrypted with a DH shared secret.
+/// Gateway/Nym node can then verify pub_key payload using the same process
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct GatewayClient {
+    /// Base64 encoded x25519 public key
+    pub pub_key: PeerPublicKey,
+
+    /// Assigned private IPs (v4 and v6)
+    pub private_ips: IpPair,
+
+    /// Sha256 hmac on the data (alongside the prior nonce)
+    pub mac: ClientMac,
+}
+
+impl GatewayClient {
+    #[cfg(feature = "verify")]
+    pub fn new(
+        local_secret: &PrivateKey,
+        remote_public: x25519_dalek::PublicKey,
+        private_ips: IpPair,
+        nonce: u64,
+    ) -> Self {
+        // convert from 1.0 x25519-dalek private key into 2.0 x25519-dalek
+        #[allow(clippy::expect_used)]
+        let static_secret = x25519_dalek::StaticSecret::from(local_secret.to_bytes());
+        let local_public: x25519_dalek::PublicKey = (&static_secret).into();
+
+        let dh = static_secret.diffie_hellman(&remote_public);
+
+        // TODO: change that to use our nym_crypto::hmac module instead
+        #[allow(clippy::expect_used)]
+        let mut mac = HmacSha256::new_from_slice(dh.as_bytes())
+            .expect("x25519 shared secret is always 32 bytes long");
+
+        mac.update(local_public.as_bytes());
+        mac.update(private_ips.to_string().as_bytes());
+        mac.update(&nonce.to_le_bytes());
+
+        GatewayClient {
+            pub_key: PeerPublicKey::new(local_public),
+            private_ips,
+            mac: ClientMac(mac.finalize().into_bytes().to_vec()),
+        }
+    }
+
+    // Reusable secret should be gateways Wireguard PK
+    // Client should perform this step when generating its payload, using its own WG PK
+    #[cfg(feature = "verify")]
+    pub fn verify(&self, gateway_key: &PrivateKey, nonce: u64) -> Result<(), Error> {
+        // convert from 1.0 x25519-dalek private key into 2.0 x25519-dalek
+        #[allow(clippy::expect_used)]
+        let static_secret = x25519_dalek::StaticSecret::from(gateway_key.to_bytes());
+
+        let dh = static_secret.diffie_hellman(&self.pub_key);
+
+        // TODO: change that to use our nym_crypto::hmac module instead
+        #[allow(clippy::expect_used)]
+        let mut mac = HmacSha256::new_from_slice(dh.as_bytes())
+            .expect("x25519 shared secret is always 32 bytes long");
+
+        mac.update(self.pub_key.as_bytes());
+        mac.update(self.private_ips.to_string().as_bytes());
+        mac.update(&nonce.to_le_bytes());
+
+        mac.verify_slice(&self.mac)
+            .map_err(|source| Error::FailedClientMacVerification {
+                client: self.pub_key.to_string(),
+                source,
+            })
+    }
+
+    pub fn pub_key(&self) -> PeerPublicKey {
+        self.pub_key
+    }
+}
+
+// TODO: change the inner type into generic array of size HmacSha256::OutputSize
+// TODO2: rely on our internal crypto/hmac
+#[derive(Debug, Clone, PartialEq)]
+pub struct ClientMac(Vec<u8>);
+
+impl fmt::Display for ClientMac {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", general_purpose::STANDARD.encode(&self.0))
+    }
+}
+
+impl ClientMac {
+    #[allow(dead_code)]
+    pub fn new(mac: Vec<u8>) -> Self {
+        ClientMac(mac)
+    }
+}
+
+impl Deref for ClientMac {
+    type Target = Vec<u8>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl FromStr for ClientMac {
+    type Err = Error;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let mac_bytes: Vec<u8> =
+            general_purpose::STANDARD
+                .decode(s)
+                .map_err(|source| Error::MalformedClientMac {
+                    mac: s.to_string(),
+                    source,
+                })?;
+
+        Ok(ClientMac(mac_bytes))
+    }
+}
+
+impl Serialize for ClientMac {
+    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
+        let encoded_key = general_purpose::STANDARD.encode(self.0.clone());
+        serializer.serialize_str(&encoded_key)
+    }
+}
+
+impl<'de> Deserialize<'de> for ClientMac {
+    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
+        let encoded_key = String::deserialize(deserializer)?;
+        ClientMac::from_str(&encoded_key).map_err(serde::de::Error::custom)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use nym_crypto::asymmetric::encryption;
+
+    #[test]
+    fn create_ip_pair() {
+        let ipv4: IpAddr = Ipv4Addr::from_str("10.1.10.50").unwrap().into();
+        let ipv6: IpAddr = Ipv6Addr::from_str("fc01::0a32").unwrap().into();
+
+        assert_eq!(IpPair::from(ipv4), IpPair::from(ipv6));
+    }
+
+    #[test]
+    #[cfg(feature = "verify")]
+    fn client_request_roundtrip() {
+        let mut rng = rand::thread_rng();
+
+        let gateway_key_pair = encryption::KeyPair::new(&mut rng);
+        let client_key_pair = encryption::KeyPair::new(&mut rng);
+
+        let nonce = 1234567890;
+
+        let client = GatewayClient::new(
+            client_key_pair.private_key(),
+            x25519_dalek::PublicKey::from(gateway_key_pair.public_key().to_bytes()),
+            IpPair::new("10.0.0.42".parse().unwrap(), "fc00::42".parse().unwrap()),
+            nonce,
+        );
+        assert!(client.verify(gateway_key_pair.private_key(), nonce).is_ok())
+    }
+}

common/authenticator-requests/src/v5/request.rs

@@ -0,0 +1,132 @@
+// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use super::{
+    registration::{FinalMessage, InitMessage},
+    topup::TopUpMessage,
+};
+use nym_service_provider_requests_common::{Protocol, ServiceProviderType};
+use nym_wireguard_types::PeerPublicKey;
+use serde::{Deserialize, Serialize};
+
+use crate::make_bincode_serializer;
+
+use super::VERSION;
+
+fn generate_random() -> u64 {
+    use rand::RngCore;
+    let mut rng = rand::rngs::OsRng;
+    rng.next_u64()
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct AuthenticatorRequest {
+    pub protocol: Protocol,
+    pub data: AuthenticatorRequestData,
+    pub request_id: u64,
+}
+
+impl AuthenticatorRequest {
+    pub fn from_reconstructed_message(
+        message: &nym_sphinx::receiver::ReconstructedMessage,
+    ) -> Result<Self, bincode::Error> {
+        use bincode::Options;
+        make_bincode_serializer().deserialize(&message.message)
+    }
+
+    pub fn new_initial_request(init_message: InitMessage) -> (Self, u64) {
+        let request_id = generate_random();
+        (
+            Self {
+                protocol: Protocol {
+                    service_provider_type: ServiceProviderType::Authenticator,
+                    version: VERSION,
+                },
+                data: AuthenticatorRequestData::Initial(init_message),
+                request_id,
+            },
+            request_id,
+        )
+    }
+
+    pub fn new_final_request(final_message: FinalMessage) -> (Self, u64) {
+        let request_id = generate_random();
+        (
+            Self {
+                protocol: Protocol {
+                    service_provider_type: ServiceProviderType::Authenticator,
+                    version: VERSION,
+                },
+                data: AuthenticatorRequestData::Final(Box::new(final_message)),
+                request_id,
+            },
+            request_id,
+        )
+    }
+
+    pub fn new_query_request(peer_public_key: PeerPublicKey) -> (Self, u64) {
+        let request_id = generate_random();
+        (
+            Self {
+                protocol: Protocol {
+                    service_provider_type: ServiceProviderType::Authenticator,
+                    version: VERSION,
+                },
+                data: AuthenticatorRequestData::QueryBandwidth(peer_public_key),
+                request_id,
+            },
+            request_id,
+        )
+    }
+
+    pub fn new_topup_request(top_up_message: TopUpMessage) -> (Self, u64) {
+        let request_id = generate_random();
+        (
+            Self {
+                protocol: Protocol {
+                    service_provider_type: ServiceProviderType::Authenticator,
+                    version: VERSION,
+                },
+                data: AuthenticatorRequestData::TopUpBandwidth(Box::new(top_up_message)),
+                request_id,
+            },
+            request_id,
+        )
+    }
+
+    pub fn to_bytes(&self) -> Result<Vec<u8>, bincode::Error> {
+        use bincode::Options;
+        make_bincode_serializer().serialize(self)
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub enum AuthenticatorRequestData {
+    Initial(InitMessage),
+    Final(Box<FinalMessage>),
+    QueryBandwidth(PeerPublicKey),
+    TopUpBandwidth(Box<TopUpMessage>),
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::str::FromStr;
+
+    #[test]
+    fn check_first_bytes_protocol() {
+        let version = 5;
+        let data = AuthenticatorRequest {
+            protocol: Protocol {
+                version,
+                service_provider_type: ServiceProviderType::Authenticator,
+            },
+            data: AuthenticatorRequestData::Initial(InitMessage::new(
+                PeerPublicKey::from_str("yvNUDpT5l7W/xDhiu6HkqTHDQwbs/B3J5UrLmORl1EQ=").unwrap(),
+            )),
+            request_id: 1,
+        };
+        let bytes = *data.to_bytes().unwrap().first_chunk::<2>().unwrap();
+        assert_eq!(bytes, [version, ServiceProviderType::Authenticator as u8]);
+    }
+}

common/authenticator-requests/src/v5/response.rs

@@ -0,0 +1,132 @@
+// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use super::registration::{RegistrationData, RegistredData, RemainingBandwidthData};
+use nym_service_provider_requests_common::{Protocol, ServiceProviderType};
+use serde::{Deserialize, Serialize};
+
+use crate::make_bincode_serializer;
+
+use super::VERSION;
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct AuthenticatorResponse {
+    pub protocol: Protocol,
+    pub data: AuthenticatorResponseData,
+}
+
+impl AuthenticatorResponse {
+    pub fn new_pending_registration_success(
+        registration_data: RegistrationData,
+        request_id: u64,
+    ) -> Self {
+        Self {
+            protocol: Protocol {
+                service_provider_type: ServiceProviderType::Authenticator,
+                version: VERSION,
+            },
+            data: AuthenticatorResponseData::PendingRegistration(PendingRegistrationResponse {
+                reply: registration_data,
+                request_id,
+            }),
+        }
+    }
+
+    pub fn new_registered(registred_data: RegistredData, request_id: u64) -> Self {
+        Self {
+            protocol: Protocol {
+                service_provider_type: ServiceProviderType::Authenticator,
+                version: VERSION,
+            },
+            data: AuthenticatorResponseData::Registered(RegisteredResponse {
+                reply: registred_data,
+                request_id,
+            }),
+        }
+    }
+
+    pub fn new_remaining_bandwidth(
+        remaining_bandwidth_data: Option<RemainingBandwidthData>,
+        request_id: u64,
+    ) -> Self {
+        Self {
+            protocol: Protocol {
+                service_provider_type: ServiceProviderType::Authenticator,
+                version: VERSION,
+            },
+            data: AuthenticatorResponseData::RemainingBandwidth(RemainingBandwidthResponse {
+                reply: remaining_bandwidth_data,
+                request_id,
+            }),
+        }
+    }
+
+    pub fn new_topup_bandwidth(
+        remaining_bandwidth_data: RemainingBandwidthData,
+        request_id: u64,
+    ) -> Self {
+        Self {
+            protocol: Protocol {
+                service_provider_type: ServiceProviderType::Authenticator,
+                version: VERSION,
+            },
+            data: AuthenticatorResponseData::TopUpBandwidth(TopUpBandwidthResponse {
+                reply: remaining_bandwidth_data,
+                request_id,
+            }),
+        }
+    }
+
+    pub fn to_bytes(&self) -> Result<Vec<u8>, bincode::Error> {
+        use bincode::Options;
+        make_bincode_serializer().serialize(self)
+    }
+
+    pub fn from_reconstructed_message(
+        message: &nym_sphinx::receiver::ReconstructedMessage,
+    ) -> Result<Self, bincode::Error> {
+        use bincode::Options;
+        make_bincode_serializer().deserialize(&message.message)
+    }
+
+    pub fn id(&self) -> Option<u64> {
+        match &self.data {
+            AuthenticatorResponseData::PendingRegistration(response) => Some(response.request_id),
+            AuthenticatorResponseData::Registered(response) => Some(response.request_id),
+            AuthenticatorResponseData::RemainingBandwidth(response) => Some(response.request_id),
+            AuthenticatorResponseData::TopUpBandwidth(response) => Some(response.request_id),
+        }
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub enum AuthenticatorResponseData {
+    PendingRegistration(PendingRegistrationResponse),
+    Registered(RegisteredResponse),
+    RemainingBandwidth(RemainingBandwidthResponse),
+    TopUpBandwidth(TopUpBandwidthResponse),
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct PendingRegistrationResponse {
+    pub request_id: u64,
+    pub reply: RegistrationData,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct RegisteredResponse {
+    pub request_id: u64,
+    pub reply: RegistredData,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct RemainingBandwidthResponse {
+    pub request_id: u64,
+    pub reply: Option<RemainingBandwidthData>,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct TopUpBandwidthResponse {
+    pub request_id: u64,
+    pub reply: RemainingBandwidthData,
+}

common/authenticator-requests/src/v5/topup.rs

@@ -0,0 +1,15 @@
+// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use nym_credentials_interface::CredentialSpendingData;
+use nym_wireguard_types::PeerPublicKey;
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
+pub struct TopUpMessage {
+    /// Base64 encoded x25519 public key
+    pub pub_key: PeerPublicKey,
+
+    /// Ecash credential
+    pub credential: CredentialSpendingData,
+}

common/bandwidth-controller/src/lib.rs

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

common/bandwidth-controller/src/utils.rs

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

common/client-core/Cargo.toml

@@ -40,6 +40,7 @@ nym-crypto = { path = "../crypto" }
 nym-explorer-client = { path = "../../explorer-api/explorer-client" }
 nym-gateway-client = { path = "../client-libs/gateway-client" }
 nym-gateway-requests = { path = "../gateway-requests" }
+nym-http-api-client = { path = "../http-api-client" }
 nym-metrics = { path = "../nym-metrics" }
 nym-nonexhaustive-delayqueue = { path = "../nonexhaustive-delayqueue" }
 nym-sphinx = { path = "../nymsphinx" }

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

@@ -45,11 +45,12 @@ const DEFAULT_COVER_TRAFFIC_PRIMARY_SIZE_RATIO: f64 = 0.70;
 // clients/client-core/src/client/replies/reply_storage/surb_storage.rs
 const DEFAULT_MINIMUM_REPLY_SURB_STORAGE_THRESHOLD: usize = 10;
 const DEFAULT_MAXIMUM_REPLY_SURB_STORAGE_THRESHOLD: usize = 200;
+const DEFAULT_MINIMUM_REPLY_SURB_THRESHOLD_BUFFER: usize = 0;
 
 // define how much to request at once
 // clients/client-core/src/client/replies/reply_controller.rs
 const DEFAULT_MINIMUM_REPLY_SURB_REQUEST_SIZE: u32 = 10;
-const DEFAULT_MAXIMUM_REPLY_SURB_REQUEST_SIZE: u32 = 100;
+const DEFAULT_MAXIMUM_REPLY_SURB_REQUEST_SIZE: u32 = 50;
 
 const DEFAULT_MAXIMUM_ALLOWED_SURB_REQUEST_SIZE: u32 = 500;
 
@@ -145,6 +146,11 @@ impl Config {
         self
     }
 
+    pub fn with_forget_me(mut self, forget_me: ForgetMe) -> Self {
+        self.debug.forget_me = forget_me;
+        self
+    }
+
     // TODO: this should be refactored properly
     // as of 12.09.23 the below is true (not sure how this comment will rot in the future)
     // medium_toggle:
@@ -517,7 +523,7 @@ impl Default for Acknowledgements {
 }
 
 #[derive(Debug, Clone, Copy, Deserialize, PartialEq, Serialize)]
-#[serde(default, deny_unknown_fields)]
+#[serde(default)]
 pub struct Topology {
     /// The uniform delay every which clients are querying the directory server
     /// to try to obtain a compatible network topology to send sphinx packets through.
@@ -553,12 +559,15 @@ pub struct Topology {
 
     /// Specifies whether this client should attempt to retrieve all available network nodes
     /// as opposed to just active mixnodes/gateways.
-    /// Useless without `ignore_epoch_roles = true`
     pub use_extended_topology: bool,
 
     /// Specifies whether this client should ignore the current epoch role of the target egress node
     /// when constructing the final hop packets.
     pub ignore_egress_epoch_role: bool,
+
+    /// Specifies whether this client should ignore the current epoch role of the ingress node
+    /// when attempting to establish new connection
+    pub ignore_ingress_epoch_role: bool,
 }
 
 #[allow(clippy::large_enum_variant)]
@@ -596,7 +605,9 @@ impl Default for Topology {
             minimum_mixnode_performance: DEFAULT_MIN_MIXNODE_PERFORMANCE,
             minimum_gateway_performance: DEFAULT_MIN_GATEWAY_PERFORMANCE,
             use_extended_topology: false,
-            ignore_egress_epoch_role: false,
+
+            ignore_egress_epoch_role: true,
+            ignore_ingress_epoch_role: true,
         }
     }
 }
@@ -611,6 +622,10 @@ pub struct ReplySurbs {
     /// Defines the maximum number of reply surbs the client wants to keep in its storage at any times.
     pub maximum_reply_surb_storage_threshold: usize,
 
+    /// Defines the soft threshold ontop of the minimum reply surb storage threshold for when the client
+    /// should proactively request additional reply surbs.
+    pub minimum_reply_surb_threshold_buffer: usize,
+
     /// Defines the minimum number of reply surbs the client would request.
     pub minimum_reply_surb_request_size: u32,
 
@@ -643,6 +658,9 @@ 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 {
@@ -650,6 +668,7 @@ impl Default for ReplySurbs {
         ReplySurbs {
             minimum_reply_surb_storage_threshold: DEFAULT_MINIMUM_REPLY_SURB_STORAGE_THRESHOLD,
             maximum_reply_surb_storage_threshold: DEFAULT_MAXIMUM_REPLY_SURB_STORAGE_THRESHOLD,
+            minimum_reply_surb_threshold_buffer: DEFAULT_MINIMUM_REPLY_SURB_THRESHOLD_BUFFER,
             minimum_reply_surb_request_size: DEFAULT_MINIMUM_REPLY_SURB_REQUEST_SIZE,
             maximum_reply_surb_request_size: DEFAULT_MAXIMUM_REPLY_SURB_REQUEST_SIZE,
             maximum_allowed_reply_surb_request_size: DEFAULT_MAXIMUM_ALLOWED_SURB_REQUEST_SIZE,
@@ -659,6 +678,7 @@ impl Default for ReplySurbs {
             maximum_reply_surb_age: DEFAULT_MAXIMUM_REPLY_SURB_AGE,
             maximum_reply_key_age: DEFAULT_MAXIMUM_REPLY_KEY_AGE,
             surb_mix_hops: None,
+            fresh_sender_tags: false,
         }
     }
 }
@@ -714,6 +734,9 @@ pub struct DebugConfig {
 
     /// Defines all configuration options related to stats reporting.
     pub stats_reporting: StatsReporting,
+
+    /// Defines all configuration options related to the forget me flag.
+    pub forget_me: ForgetMe,
 }
 
 impl DebugConfig {
@@ -736,6 +759,69 @@ impl Default for DebugConfig {
             topology: Default::default(),
             reply_surbs: Default::default(),
             stats_reporting: Default::default(),
+            forget_me: Default::default(),
+        }
+    }
+}
+
+#[derive(Clone, Default, Debug, Deserialize, PartialEq, Serialize, Copy)]
+pub struct ForgetMe {
+    client: bool,
+    stats: bool,
+}
+
+impl From<bool> for ForgetMe {
+    fn from(value: bool) -> Self {
+        if value {
+            Self::new_all()
+        } else {
+            Self::new_none()
+        }
+    }
+}
+
+impl ForgetMe {
+    pub fn new_all() -> Self {
+        Self {
+            client: true,
+            stats: true,
+        }
+    }
+
+    pub fn new_client() -> Self {
+        Self {
+            client: true,
+            stats: false,
+        }
+    }
+
+    pub fn new_stats() -> Self {
+        Self {
+            client: false,
+            stats: true,
+        }
+    }
+
+    pub fn new(client: bool, stats: bool) -> Self {
+        Self { client, stats }
+    }
+
+    pub fn any(&self) -> bool {
+        self.client || self.stats
+    }
+
+    pub fn client(&self) -> bool {
+        self.client
+    }
+
+    pub fn stats(&self) -> bool {
+        self.stats
+    }
+
+    pub fn new_none() -> Self {
+        Self {
+            client: false,
+            stats: false,
         }
     }
 }

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

@@ -181,8 +181,9 @@ impl From<ConfigV5> for Config {
                     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,
+                    ..Default::default()
                 },
-                stats_reporting: Default::default(),
+                ..Default::default()
             },
         }
     }

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

@@ -87,7 +87,7 @@ impl StorageManager {
         sqlx::query!("SELECT EXISTS (SELECT 1 FROM registered_gateway WHERE gateway_id_bs58 = ?) AS 'exists'", gateway_id)
             .fetch_one(&self.connection_pool)
             .await
-            .map(|result| result.exists == Some(1))
+            .map(|result| result.exists == 1)
     }
 
     pub(crate) async fn maybe_get_registered_gateway(

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

@@ -115,11 +115,12 @@ where
         hardcoded_topology.entry_capable_nodes().cloned().collect()
     } else {
         let mut rng = rand::thread_rng();
-        crate::init::helpers::current_gateways(
+        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,
         )
         .await?
     };

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

@@ -93,6 +93,10 @@ pub struct CommonClientInitArgs {
     /// Sets the address to report statistics
     #[cfg_attr(feature = "cli", clap(long, hide = true))]
     pub stats_reporting_address: Option<Recipient>,
+
+    /// Sets the forget me flag
+    #[cfg_attr(feature = "cli", clap(long, hide = true, default_value_t = false))]
+    pub forget_me: bool,
 }
 
 pub struct InitResultsWithConfig<T> {
@@ -170,11 +174,12 @@ where
         hardcoded_topology.entry_capable_nodes().cloned().collect()
     } else {
         let mut rng = rand::thread_rng();
-        crate::init::helpers::current_gateways(
+        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,
         )
         .await?
     };

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

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

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

@@ -1,6 +1,7 @@
 // Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0
 
+use super::mix_traffic::ClientRequestSender;
 use super::received_buffer::ReceivedBufferMessage;
 use super::statistics_control::StatisticsControl;
 use crate::client::base_client::storage::helpers::store_client_keys;
@@ -31,13 +32,15 @@ use crate::init::{
     setup_gateway,
     types::{GatewaySetup, InitialisationResult},
 };
-use crate::{config, spawn_future, ForgetMe};
+use crate::{config, spawn_future};
 use futures::channel::mpsc;
 use log::*;
 use nym_bandwidth_controller::BandwidthController;
+use nym_client_core_config_types::ForgetMe;
 use nym_client_core_gateways_storage::{GatewayDetails, GatewaysDetailsStore};
 use nym_credential_storage::storage::Storage as CredentialStorage;
 use nym_crypto::asymmetric::{encryption, identity};
+use nym_crypto::hkdf::DerivationMaterial;
 use nym_gateway_client::client::config::GatewayClientConfig;
 use nym_gateway_client::{
     AcknowledgementReceiver, GatewayClient, GatewayConfig, MixnetMessageReceiver, PacketRouter,
@@ -175,8 +178,8 @@ impl From<bool> for CredentialsToggle {
     }
 }
 
-pub struct BaseClientBuilder<'a, C, S: MixnetClientStorage> {
-    config: &'a Config,
+pub struct BaseClientBuilder<C, S: MixnetClientStorage> {
+    config: Config,
     client_store: S,
     dkg_query_client: Option<C>,
 
@@ -191,19 +194,19 @@ pub struct BaseClientBuilder<'a, C, S: MixnetClientStorage> {
     #[cfg(unix)]
     connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
 
-    forget_me: ForgetMe,
+    derivation_material: Option<DerivationMaterial>,
 }
 
-impl<'a, C, S> BaseClientBuilder<'a, C, S>
+impl<C, S> BaseClientBuilder<C, S>
 where
     S: MixnetClientStorage + 'static,
     C: DkgQueryClient + Send + Sync + 'static,
 {
     pub fn new(
-        base_config: &'a Config,
+        base_config: Config,
         client_store: S,
         dkg_query_client: Option<C>,
-    ) -> BaseClientBuilder<'a, C, S> {
+    ) -> BaseClientBuilder<C, S> {
         BaseClientBuilder {
             config: base_config,
             client_store,
@@ -216,13 +219,22 @@ where
             setup_method: GatewaySetup::MustLoad { gateway_id: None },
             #[cfg(unix)]
             connection_fd_callback: None,
-            forget_me: Default::default(),
+            derivation_material: None,
         }
     }
 
+    #[must_use]
+    pub fn with_derivation_material(
+        mut self,
+        derivation_material: Option<DerivationMaterial>,
+    ) -> Self {
+        self.derivation_material = derivation_material;
+        self
+    }
+
     #[must_use]
     pub fn with_forget_me(mut self, forget_me: &ForgetMe) -> Self {
-        self.forget_me = forget_me.clone();
+        self.config.debug.forget_me = *forget_me;
         self
     }
 
@@ -298,7 +310,7 @@ where
         topology_accessor: TopologyAccessor,
         mix_tx: BatchMixMessageSender,
         stats_tx: ClientStatsSender,
-        shutdown: TaskClient,
+        task_client: TaskClient,
     ) {
         info!("Starting loop cover traffic stream...");
 
@@ -311,9 +323,10 @@ where
             debug_config.traffic,
             debug_config.cover_traffic,
             stats_tx,
+            task_client,
         );
 
-        stream.start_with_shutdown(shutdown);
+        stream.start();
     }
 
     #[allow(clippy::too_many_arguments)]
@@ -328,7 +341,7 @@ where
         reply_controller_receiver: ReplyControllerReceiver,
         lane_queue_lengths: LaneQueueLengths,
         client_connection_rx: ConnectionCommandReceiver,
-        shutdown: TaskClient,
+        task_client: TaskClient,
         packet_type: PacketType,
         stats_tx: ClientStatsSender,
     ) {
@@ -346,8 +359,9 @@ where
             lane_queue_lengths,
             client_connection_rx,
             stats_tx,
+            task_client,
         )
-        .start_with_shutdown(shutdown, packet_type);
+        .start(packet_type);
     }
 
     // buffer controlling all messages fetched from provider
@@ -370,8 +384,9 @@ where
                 reply_key_storage,
                 reply_controller_sender,
                 metrics_reporter,
+                shutdown,
             );
-        controller.start_with_shutdown(shutdown)
+        controller.start()
     }
 
     #[allow(clippy::too_many_arguments)]
@@ -472,6 +487,7 @@ where
             .claim_initial_bandwidth()
             .await
             .map_err(gateway_failure)?;
+
         gateway_client
             .start_listening_for_mixnet_messages()
             .map_err(gateway_failure)?;
@@ -559,15 +575,22 @@ where
         topology_accessor: TopologyAccessor,
         local_gateway: NodeIdentity,
         wait_for_gateway: bool,
-        mut shutdown: TaskClient,
+        mut task_client: TaskClient,
     ) -> Result<(), ClientCoreError> {
         let topology_refresher_config =
             TopologyRefresherConfig::new(topology_config.topology_refresh_rate);
 
+        if topology_config.disable_refreshing {
+            // if we're not spawning the refresher, don't cause shutdown immediately
+            info!("The background topology refesher is not going to be started");
+            task_client.disarm();
+        }
+
         let mut topology_refresher = TopologyRefresher::new(
             topology_refresher_config,
             topology_accessor,
             topology_provider,
+            task_client,
         );
         // before returning, block entire runtime to refresh the current network view so that any
         // components depending on topology would see a non-empty view
@@ -608,15 +631,11 @@ where
             }
         }
 
-        if topology_config.disable_refreshing {
-            // if we're not spawning the refresher, don't cause shutdown immediately
-            info!("The topology refesher is not going to be started");
-            shutdown.disarm();
-        } else {
+        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_with_shutdown(shutdown);
+            topology_refresher.start();
         }
 
         Ok(())
@@ -627,30 +646,29 @@ where
         user_agent: Option<UserAgent>,
         client_stats_id: String,
         input_sender: Sender<InputMessage>,
-        shutdown: TaskClient,
+        task_client: TaskClient,
     ) -> ClientStatsSender {
         info!("Starting statistics control...");
-        StatisticsControl::create_and_start_with_shutdown(
+        StatisticsControl::create_and_start(
             config.debug.stats_reporting,
             user_agent
                 .map(|u| u.application)
                 .unwrap_or("unknown".to_string()),
             client_stats_id,
             input_sender.clone(),
-            shutdown.with_suffix("controller"),
+            task_client,
         )
     }
 
     fn start_mix_traffic_controller(
         gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
         shutdown: TaskClient,
-        forget_me: ForgetMe,
-    ) -> BatchMixMessageSender {
+    ) -> (BatchMixMessageSender, ClientRequestSender) {
         info!("Starting mix traffic controller...");
-        let (mix_traffic_controller, mix_tx) =
-            MixTrafficController::new(gateway_transceiver, forget_me);
-        mix_traffic_controller.start_with_shutdown(shutdown);
-        mix_tx
+        let (mix_traffic_controller, mix_tx, client_tx) =
+            MixTrafficController::new(gateway_transceiver, shutdown);
+        mix_traffic_controller.start();
+        (mix_tx, client_tx)
     }
 
     // TODO: rename it as it implies the data is persistent whilst one can use InMemBackend
@@ -685,6 +703,7 @@ where
         setup_method: GatewaySetup,
         key_store: &S::KeyStore,
         details_store: &S::GatewaysDetailsStore,
+        derivation_material: Option<DerivationMaterial>,
     ) -> Result<InitialisationResult, ClientCoreError>
     where
         <S::KeyStore as KeyStore>::StorageError: Sync + Send,
@@ -694,7 +713,12 @@ where
         if key_store.load_keys().await.is_err() {
             info!("could not find valid client keys - a new set will be generated");
             let mut rng = OsRng;
-            let keys = ClientKeys::generate_new(&mut rng);
+            let keys = if let Some(derivation_material) = derivation_material {
+                ClientKeys::from_master_key(&mut rng, &derivation_material)
+                    .map_err(|_| ClientCoreError::HkdfDerivationError {})?
+            } else {
+                ClientKeys::generate_new(&mut rng)
+            };
             store_client_keys(keys, key_store).await?;
         }
 
@@ -716,6 +740,7 @@ where
             self.setup_method,
             self.client_store.key_store(),
             self.client_store.gateway_details_store(),
+            self.derivation_material,
         )
         .await?;
 
@@ -772,7 +797,7 @@ where
         );
 
         let stats_reporter = Self::start_statistics_control(
-            self.config,
+            &self.config,
             self.user_agent.clone(),
             generate_client_stats_id(*self_address.identity()),
             input_sender.clone(),
@@ -798,7 +823,7 @@ where
 
         let gateway_transceiver = Self::setup_gateway_transceiver(
             self.custom_gateway_transceiver,
-            self.config,
+            &self.config,
             init_res,
             bandwidth_controller,
             &details_store,
@@ -832,10 +857,9 @@ where
         // traffic stream.
         // The MixTrafficController then sends the actual traffic
 
-        let message_sender = Self::start_mix_traffic_controller(
+        let (message_sender, client_request_sender) = Self::start_mix_traffic_controller(
             gateway_transceiver,
             shutdown.fork("mix_traffic_controller"),
-            self.forget_me,
         );
 
         // Channels that the websocket listener can use to signal downstream to the real traffic
@@ -910,6 +934,8 @@ where
             },
             stats_reporter,
             task_handle: shutdown,
+            client_request_sender,
+            forget_me: self.config.debug.forget_me,
         })
     }
 }
@@ -921,6 +947,7 @@ pub struct BaseClient {
     pub client_output: ClientOutputStatus,
     pub client_state: ClientState,
     pub stats_reporter: ClientStatsSender,
-
+    pub client_request_sender: ClientRequestSender,
     pub task_handle: TaskHandle,
+    pub forget_me: ForgetMe,
 }

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

@@ -88,7 +88,7 @@ pub async fn setup_fs_reply_surb_backend<P: AsRef<Path>>(
     let db_path = db_path.as_ref();
     if db_path.exists() {
         info!("loading existing surb database");
-        match fs_backend::Backend::try_load(db_path).await {
+        match fs_backend::Backend::try_load(db_path, surb_config.fresh_sender_tags).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");

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

@@ -13,6 +13,7 @@ use nym_sphinx::cover::generate_loop_cover_packet;
 use nym_sphinx::params::{PacketSize, PacketType};
 use nym_sphinx::utils::sample_poisson_duration;
 use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, ClientStatsSender};
+use nym_task::TaskClient;
 use rand::{rngs::OsRng, CryptoRng, Rng};
 use std::pin::Pin;
 use std::sync::Arc;
@@ -64,6 +65,8 @@ where
     packet_type: PacketType,
 
     stats_tx: ClientStatsSender,
+
+    task_client: TaskClient,
 }
 
 impl<R> Stream for LoopCoverTrafficStream<R>
@@ -110,6 +113,7 @@ impl LoopCoverTrafficStream<OsRng> {
         traffic_config: config::Traffic,
         cover_config: config::CoverTraffic,
         stats_tx: ClientStatsSender,
+        task_client: TaskClient,
     ) -> Self {
         let rng = OsRng;
 
@@ -128,6 +132,7 @@ impl LoopCoverTrafficStream<OsRng> {
             secondary_packet_size: traffic_config.secondary_packet_size,
             packet_type: traffic_config.packet_type,
             stats_tx,
+            task_client,
         }
     }
 
@@ -175,7 +180,7 @@ impl LoopCoverTrafficStream<OsRng> {
             }
         };
 
-        let cover_message = generate_loop_cover_packet(
+        let cover_message = match generate_loop_cover_packet(
             &mut self.rng,
             topology_ref,
             &self.ack_key,
@@ -184,8 +189,15 @@ impl LoopCoverTrafficStream<OsRng> {
             self.cover_traffic.loop_cover_traffic_average_delay,
             cover_traffic_packet_size,
             self.packet_type,
-        )
-        .expect("Somehow failed to generate a loop cover message with a valid topology");
+        ) {
+            Ok(cover_message) => cover_message,
+            Err(err) => {
+                warn!(
+                    "Somehow failed to generate a loop cover message with a valid topology: {err}"
+                );
+                return;
+            }
+        };
 
         if let Err(err) = self.mix_tx.try_send(vec![cover_message]) {
             match err {
@@ -217,7 +229,7 @@ impl LoopCoverTrafficStream<OsRng> {
         tokio::task::yield_now().await;
     }
 
-    pub fn start_with_shutdown(mut self, mut shutdown: nym_task::TaskClient) {
+    pub fn start(mut self) {
         if self.cover_traffic.disable_loop_cover_traffic_stream {
             // we should have never got here in the first place - the task should have never been created to begin with
             // so panic and review the code that lead to this branch
@@ -231,6 +243,8 @@ impl LoopCoverTrafficStream<OsRng> {
         );
         self.set_next_delay(sampled);
 
+        let mut shutdown = self.task_client.fork("select");
+
         spawn_future(async move {
             debug!("Started LoopCoverTrafficStream with graceful shutdown support");
 

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

@@ -2,7 +2,10 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::client::key_manager::persistence::KeyStore;
-use nym_crypto::asymmetric::{encryption, identity};
+use nym_crypto::{
+    asymmetric::{encryption, identity},
+    hkdf::{DerivationMaterial, InvalidLength},
+};
 use nym_gateway_requests::shared_key::{LegacySharedKeys, SharedGatewayKey, SharedSymmetricKey};
 use nym_sphinx::acknowledgements::AckKey;
 use rand::{CryptoRng, RngCore};
@@ -10,6 +13,7 @@ use std::sync::Arc;
 use zeroize::ZeroizeOnDrop;
 
 pub mod persistence;
+mod test;
 
 // Note: to support key rotation in the future, all keys will require adding an extra smart pointer,
 // most likely an AtomicCell, or if it doesn't work as I think it does, a Mutex. Although I think
@@ -43,6 +47,24 @@ impl ClientKeys {
         }
     }
 
+    pub fn from_master_key<R>(
+        rng: &mut R,
+        derivation_material: &DerivationMaterial,
+    ) -> Result<Self, InvalidLength>
+    where
+        R: RngCore + CryptoRng,
+    {
+        let secret = derivation_material.derive_secret()?;
+        Ok(ClientKeys {
+            identity_keypair: Arc::new(identity::KeyPair::from_secret(
+                secret,
+                derivation_material.index(),
+            )),
+            encryption_keypair: Arc::new(encryption::KeyPair::new(rng)),
+            ack_key: Arc::new(AckKey::new(rng)),
+        })
+    }
+
     pub fn from_keys(
         id_keypair: identity::KeyPair,
         enc_keypair: encryption::KeyPair,

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

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

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

@@ -2,13 +2,18 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::client::mix_traffic::transceiver::GatewayTransceiver;
-use crate::{spawn_future, ForgetMe};
+use crate::error::ClientCoreError;
+use crate::spawn_future;
 use log::*;
 use nym_gateway_requests::ClientRequest;
 use nym_sphinx::forwarding::packet::MixPacket;
+use nym_task::TaskClient;
+use transceiver::ErasedGatewayError;
 
 pub type BatchMixMessageSender = tokio::sync::mpsc::Sender<Vec<MixPacket>>;
 pub type BatchMixMessageReceiver = tokio::sync::mpsc::Receiver<Vec<MixPacket>>;
+pub type ClientRequestReceiver = tokio::sync::mpsc::Receiver<ClientRequest>;
+pub type ClientRequestSender = tokio::sync::mpsc::Sender<ClientRequest>;
 
 pub mod transceiver;
 
@@ -23,52 +28,73 @@ pub struct MixTrafficController {
     gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
 
     mix_rx: BatchMixMessageReceiver,
+    client_rx: ClientRequestReceiver,
 
     // TODO: this is temporary work-around.
     // in long run `gateway_client` will be moved away from `MixTrafficController` anyway.
     consecutive_gateway_failure_count: usize,
-    forget_me: ForgetMe,
+
+    task_client: TaskClient,
 }
 
 impl MixTrafficController {
     pub fn new<T>(
         gateway_transceiver: T,
-        forget_me: ForgetMe,
-    ) -> (MixTrafficController, BatchMixMessageSender)
+        task_client: TaskClient,
+    ) -> (
+        MixTrafficController,
+        BatchMixMessageSender,
+        ClientRequestSender,
+    )
     where
         T: GatewayTransceiver + Send + 'static,
     {
         let (message_sender, message_receiver) =
             tokio::sync::mpsc::channel(MIX_MESSAGE_RECEIVER_BUFFER_SIZE);
+
+        let (client_sender, client_receiver) = tokio::sync::mpsc::channel(1);
+
         (
             MixTrafficController {
                 gateway_transceiver: Box::new(gateway_transceiver),
                 mix_rx: message_receiver,
+                client_rx: client_receiver,
                 consecutive_gateway_failure_count: 0,
-                forget_me,
+                task_client,
             },
             message_sender,
+            client_sender,
         )
     }
 
     pub fn new_dynamic(
         gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
-        forget_me: ForgetMe,
-    ) -> (MixTrafficController, BatchMixMessageSender) {
+        task_client: TaskClient,
+    ) -> (
+        MixTrafficController,
+        BatchMixMessageSender,
+        ClientRequestSender,
+    ) {
         let (message_sender, message_receiver) =
             tokio::sync::mpsc::channel(MIX_MESSAGE_RECEIVER_BUFFER_SIZE);
+        let (client_sender, client_receiver) = tokio::sync::mpsc::channel(1);
         (
             MixTrafficController {
                 gateway_transceiver,
                 mix_rx: message_receiver,
+                client_rx: client_receiver,
                 consecutive_gateway_failure_count: 0,
-                forget_me,
+                task_client,
             },
             message_sender,
+            client_sender,
         )
     }
 
-    async fn on_messages(&mut self, mut mix_packets: Vec<MixPacket>) {
+    async fn on_messages(
+        &mut self,
+        mut mix_packets: Vec<MixPacket>,
+    ) -> Result<(), ErasedGatewayError> {
         debug_assert!(!mix_packets.is_empty());
 
         let result = if mix_packets.len() == 1 {
@@ -80,64 +106,60 @@ impl MixTrafficController {
                 .await
         };
 
-        match result {
-            Err(err) => {
-                error!("Failed to send sphinx packet(s) to the gateway: {err}");
-                self.consecutive_gateway_failure_count += 1;
-                if self.consecutive_gateway_failure_count == MAX_FAILURE_COUNT {
-                    // todo: in the future this should initiate a 'graceful' shutdown or try
-                    // to reconnect?
-                    panic!("failed to send sphinx packet to the gateway {MAX_FAILURE_COUNT} times in a row - assuming the gateway is dead. Can't do anything about it yet :(")
-                }
-            }
-            Ok(_) => {
-                trace!("We *might* have managed to forward sphinx packet(s) to the gateway!");
-                self.consecutive_gateway_failure_count = 0;
-            }
+        if result.is_err() {
+            self.consecutive_gateway_failure_count += 1;
+        } else {
+            trace!("We *might* have managed to forward sphinx packet(s) to the gateway!");
+            self.consecutive_gateway_failure_count = 0;
         }
+
+        result
     }
 
-    pub fn start_with_shutdown(mut self, mut shutdown: nym_task::TaskClient) {
+    pub fn start(mut self) {
         spawn_future(async move {
             debug!("Started MixTrafficController with graceful shutdown support");
 
-            loop {
+            while !self.task_client.is_shutdown() {
                 tokio::select! {
                     mix_packets = self.mix_rx.recv() => match mix_packets {
                         Some(mix_packets) => {
-                            self.on_messages(mix_packets).await;
+                            if let Err(err) = self.on_messages(mix_packets).await {
+                                error!("Failed to send sphinx packet(s) to the gateway: {err}");
+                                if self.consecutive_gateway_failure_count == MAX_FAILURE_COUNT {
+                                    // Disconnect from the gateway. If we should try to re-connect
+                                    // is handled at a higher layer.
+                                    error!("Failed to send sphinx packet to the gateway {MAX_FAILURE_COUNT} times in a row - assuming the gateway is dead");
+                                    // Do we need to handle the embedded mixnet client case
+                                    // separately?
+                                    self.task_client.send_we_stopped(Box::new(ClientCoreError::GatewayFailedToForwardMessages));
+                                    break;
+                                }
+                            }
                         },
                         None => {
                             log::trace!("MixTrafficController: Stopping since channel closed");
                             break;
                         }
                     },
-                    _ = shutdown.recv_with_delay() => {
+                    client_request = self.client_rx.recv() => match client_request {
+                        Some(client_request) => {
+                            match self.gateway_transceiver.send_client_request(client_request).await {
+                                Ok(_) => (),
+                                Err(e) => error!("Failed to send client request: {}", e),
+                            };
+                        },
+                        None => {
+                            log::trace!("MixTrafficController, client request channel closed");
+                        }
+                    },
+                    _ = self.task_client.recv() => {
                         log::trace!("MixTrafficController: Received shutdown");
                         break;
                     }
                 }
             }
-            shutdown.recv_timeout().await;
-
-            if self.forget_me.any() {
-                log::info!("Sending forget me request to the gateway");
-                match self
-                    .gateway_transceiver
-                    .send_client_request(ClientRequest::ForgetMe {
-                        client: self.forget_me.client(),
-                        stats: self.forget_me.stats(),
-                    })
-                    .await
-                {
-                    Ok(_) => {
-                        log::info!("Successfully sent forget me request to the gateway");
-                    }
-                    Err(err) => {
-                        log::error!("Failed to send forget me request to the gateway: {err}");
-                    }
-                }
-            }
+            self.task_client.recv_timeout().await;
 
             log::debug!("MixTrafficController: Exiting");
         });

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

@@ -86,7 +86,9 @@ impl<G: GatewayTransceiver + ?Sized + Send> GatewayTransceiver for Box<G> {
         &mut self,
         message: ClientRequest,
     ) -> Result<(), GatewayClientError> {
-        (**self).send_client_request(message).await
+        let _ = (**self).send_client_request(message.clone()).await?;
+        log::debug!("Sent client request: {:?}", message);
+        Ok(())
     }
 }
 
@@ -143,14 +145,7 @@ where
         &mut self,
         message: ClientRequest,
     ) -> Result<(), GatewayClientError> {
-        if let Some(shared_key) = self.gateway_client.shared_key() {
-            self.gateway_client
-                .send_websocket_message(message.encrypt(&*shared_key)?)
-                .await?;
-            Ok(())
-        } else {
-            Err(GatewayClientError::ConnectionInInvalidState)
-        }
+        self.gateway_client.send_client_request(message).await
     }
 }
 

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

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

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

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

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

@@ -11,6 +11,7 @@ use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
 use nym_sphinx::forwarding::packet::MixPacket;
 use nym_sphinx::params::PacketType;
 use nym_task::connections::TransmissionLane;
+use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 
 /// Module responsible for dealing with the received messages: splitting them, creating acknowledgements,
@@ -23,6 +24,7 @@ where
     input_receiver: InputMessageReceiver,
     message_handler: MessageHandler<R>,
     reply_controller_sender: ReplyControllerSender,
+    task_client: TaskClient,
 }
 
 impl<R> InputMessageListener<R>
@@ -36,11 +38,13 @@ where
         input_receiver: InputMessageReceiver,
         message_handler: MessageHandler<R>,
         reply_controller_sender: ReplyControllerSender,
+        task_client: TaskClient,
     ) -> Self {
         InputMessageListener {
             input_receiver,
             message_handler,
             reply_controller_sender,
+            task_client,
         }
     }
 
@@ -63,8 +67,14 @@ where
         lane: TransmissionLane,
     ) {
         // offload reply handling to the dedicated task
-        self.reply_controller_sender
+        if let Err(err) = self
+            .reply_controller_sender
             .send_reply(recipient_tag, data, lane)
+        {
+            if !self.task_client.is_shutdown_poll() {
+                error!("failed to send a reply - {err}");
+            }
+        }
     }
 
     async fn handle_plain_message(
@@ -164,10 +174,10 @@ where
         };
     }
 
-    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
+    pub(super) async fn run(&mut self) {
         debug!("Started InputMessageListener with graceful shutdown support");
 
-        while !shutdown.is_shutdown() {
+        while !self.task_client.is_shutdown() {
             tokio::select! {
                 input_msg = self.input_receiver.recv() => match input_msg {
                     Some(input_msg) => {
@@ -178,12 +188,12 @@ where
                         break;
                     }
                 },
-                _ = shutdown.recv_with_delay() => {
+                _ = self.task_client.recv() => {
                     log::trace!("InputMessageListener: Received shutdown");
                 }
             }
         }
-        shutdown.recv_timeout().await;
+        self.task_client.recv_timeout().await;
         log::debug!("InputMessageListener: Exiting");
     }
 }

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

@@ -24,6 +24,7 @@ use nym_sphinx::{
     Delay as SphinxDelay,
 };
 use nym_statistics_common::clients::ClientStatsSender;
+use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 use std::{
     sync::{Arc, Weak},
@@ -66,7 +67,7 @@ pub(crate) enum PacketDestination {
 
 /// Structure representing a data `Fragment` that is on-route to the specified `Recipient`
 #[derive(Debug)]
-pub(crate) struct PendingAcknowledgement {
+pub struct PendingAcknowledgement {
     message_chunk: Fragment,
     delay: SphinxDelay,
     destination: PacketDestination,
@@ -216,6 +217,7 @@ where
         message_handler: MessageHandler<R>,
         reply_controller_sender: ReplyControllerSender,
         stats_tx: ClientStatsSender,
+        task_client: TaskClient,
     ) -> Self {
         let (retransmission_tx, retransmission_rx) = mpsc::unbounded();
 
@@ -225,6 +227,7 @@ where
             action_config,
             retransmission_tx,
             connectors.ack_action_receiver,
+            task_client.fork("action_controller"),
         );
 
         // will listen for any acks coming from the network
@@ -233,6 +236,7 @@ where
             connectors.ack_receiver,
             connectors.ack_action_sender.clone(),
             stats_tx,
+            task_client.fork("acknowledgement_listener"),
         );
 
         // will listen for any new messages from the client
@@ -240,6 +244,7 @@ where
             connectors.input_receiver,
             message_handler.clone(),
             reply_controller_sender.clone(),
+            task_client.fork("input_message_listener"),
         );
 
         // will listen for any ack timeouts and trigger retransmission
@@ -249,12 +254,16 @@ where
             message_handler,
             retransmission_rx,
             reply_controller_sender,
+            task_client.fork("retransmission_request_listener"),
         );
 
         // will listen for events indicating the packet was sent through the network so that
         // the retransmission timer should be started.
-        let sent_notification_listener =
-            SentNotificationListener::new(connectors.sent_notifier, connectors.ack_action_sender);
+        let sent_notification_listener = SentNotificationListener::new(
+            connectors.sent_notifier,
+            connectors.ack_action_sender,
+            task_client.with_suffix("sent_notification_listener"),
+        );
 
         AcknowledgementController {
             acknowledgement_listener,
@@ -265,53 +274,35 @@ where
         }
     }
 
-    pub(super) fn start_with_shutdown(
-        self,
-        shutdown: nym_task::TaskClient,
-        packet_type: PacketType,
-    ) {
+    pub(super) fn start(self, packet_type: PacketType) {
         let mut acknowledgement_listener = self.acknowledgement_listener;
         let mut input_message_listener = self.input_message_listener;
         let mut retransmission_request_listener = self.retransmission_request_listener;
         let mut sent_notification_listener = self.sent_notification_listener;
         let mut action_controller = self.action_controller;
 
-        let shutdown_handle = shutdown.fork("acknowledgement_listener");
         spawn_future(async move {
-            acknowledgement_listener
-                .run_with_shutdown(shutdown_handle)
-                .await;
+            acknowledgement_listener.run().await;
             debug!("The acknowledgement listener has finished execution!");
         });
 
-        let shutdown_handle = shutdown.fork("input_message_listener");
         spawn_future(async move {
-            input_message_listener
-                .run_with_shutdown(shutdown_handle)
-                .await;
+            input_message_listener.run().await;
             debug!("The input listener has finished execution!");
         });
 
-        let shutdown_handle = shutdown.fork("retransmission_request_listener");
         spawn_future(async move {
-            retransmission_request_listener
-                .run_with_shutdown(shutdown_handle, packet_type)
-                .await;
+            retransmission_request_listener.run(packet_type).await;
             debug!("The retransmission request listener has finished execution!");
         });
 
-        let shutdown_handle = shutdown.fork("sent_notification_listener");
         spawn_future(async move {
-            sent_notification_listener
-                .run_with_shutdown(shutdown_handle)
-                .await;
+            sent_notification_listener.run().await;
             debug!("The sent notification listener has finished execution!");
         });
 
         spawn_future(async move {
-            action_controller
-                .run_with_shutdown(shutdown.with_suffix("action_controller"))
-                .await;
+            action_controller.run().await;
             debug!("The controller has finished execution!");
         });
     }

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

@@ -14,7 +14,7 @@ use log::*;
 use nym_sphinx::chunking::fragment::Fragment;
 use nym_sphinx::preparer::PreparedFragment;
 use nym_sphinx::{addressing::clients::Recipient, params::PacketType};
-use nym_task::connections::TransmissionLane;
+use nym_task::{connections::TransmissionLane, TaskClient};
 use rand::{CryptoRng, Rng};
 use std::sync::{Arc, Weak};
 
@@ -25,6 +25,7 @@ pub(super) struct RetransmissionRequestListener<R> {
     message_handler: MessageHandler<R>,
     request_receiver: RetransmissionRequestReceiver,
     reply_controller_sender: ReplyControllerSender,
+    task_client: TaskClient,
 }
 
 impl<R> RetransmissionRequestListener<R>
@@ -37,6 +38,7 @@ where
         message_handler: MessageHandler<R>,
         request_receiver: RetransmissionRequestReceiver,
         reply_controller_sender: ReplyControllerSender,
+        task_client: TaskClient,
     ) -> Self {
         RetransmissionRequestListener {
             maximum_retransmissions,
@@ -44,6 +46,7 @@ where
             message_handler,
             request_receiver,
             reply_controller_sender,
+            task_client,
         }
     }
 
@@ -79,9 +82,12 @@ where
         if let Some(limit) = self.maximum_retransmissions {
             if timed_out_ack.retransmissions >= limit {
                 warn!("reached maximum number of allowed retransmissions for the packet");
-                self.action_sender
+                if let Err(err) = self
+                    .action_sender
                     .unbounded_send(Action::new_remove(frag_id))
-                    .unwrap();
+                {
+                    error!("Failed to send remove action to the controller: {err}");
+                }
                 return;
             }
         }
@@ -93,11 +99,16 @@ where
             } => {
                 // if this is retransmission for reply, offload it to the dedicated task
                 // that deals with all the surbs
-                return self.reply_controller_sender.send_retransmission_data(
+                if let Err(err) = self.reply_controller_sender.send_retransmission_data(
                     *recipient_tag,
                     weak_timed_out_ack,
                     *extra_surb_request,
-                );
+                ) {
+                    if !self.task_client.is_shutdown_poll() {
+                        error!("Failed to send retransmission data to the reply controller: {err}");
+                    }
+                }
+                return;
             }
             PacketDestination::KnownRecipient(recipient) => {
                 self.prepare_normal_retransmission_chunk(
@@ -114,9 +125,12 @@ where
             Err(err) => {
                 warn!("Could not retransmit the packet - {err}");
                 // we NEED to start timer here otherwise we will have this guy permanently stuck in memory
-                self.action_sender
+                if let Err(err) = self
+                    .action_sender
                     .unbounded_send(Action::new_start_timer(frag_id))
-                    .unwrap();
+                {
+                    error!("Failed to send start timer action to the controller: {err}");
+                }
                 return;
             }
         };
@@ -141,9 +155,14 @@ where
         // is sent to the `OutQueueControl` and has gone through its internal queue
         // with the additional poisson delay.
         // And since Actions are executed in order `UpdateTimer` will HAVE TO be executed before `StartTimer`
-        self.action_sender
+        if let Err(err) = self
+            .action_sender
             .unbounded_send(Action::new_update_pending_ack(frag_id, new_delay))
-            .unwrap();
+        {
+            if !self.task_client.is_shutdown_poll() {
+                error!("Failed to send update pending ack action to the controller: {err}");
+            }
+        }
 
         // send to `OutQueueControl` to eventually send to the mix network
         self.message_handler
@@ -157,14 +176,10 @@ where
             .await
     }
 
-    pub(super) async fn run_with_shutdown(
-        &mut self,
-        mut shutdown: nym_task::TaskClient,
-        packet_type: PacketType,
-    ) {
+    pub(super) async fn run(&mut self, packet_type: PacketType) {
         debug!("Started RetransmissionRequestListener with graceful shutdown support");
 
-        while !shutdown.is_shutdown() {
+        while !self.task_client.is_shutdown() {
             tokio::select! {
                 timed_out_ack = self.request_receiver.next() => match timed_out_ack {
                     Some(timed_out_ack) => self.on_retransmission_request(timed_out_ack, packet_type).await,
@@ -173,12 +188,12 @@ where
                         break;
                     }
                 },
-                _ = shutdown.recv() => {
+                _ = self.task_client.recv() => {
                     log::trace!("RetransmissionRequestListener: Received shutdown");
                 }
             }
         }
-        shutdown.recv_timeout().await;
+        self.task_client.recv_timeout().await;
         log::debug!("RetransmissionRequestListener: Exiting");
     }
 }

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

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

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

@@ -19,6 +19,7 @@ use nym_sphinx::params::{PacketSize, PacketType};
 use nym_sphinx::preparer::{MessagePreparer, PreparedFragment};
 use nym_sphinx::Delay;
 use nym_task::connections::TransmissionLane;
+use nym_task::TaskClient;
 use nym_topology::{NymRouteProvider, NymTopologyError};
 use rand::{CryptoRng, Rng};
 use std::collections::HashMap;
@@ -32,10 +33,12 @@ pub enum PreparationError {
     #[error(transparent)]
     NymTopologyError(#[from] NymTopologyError),
 
-    #[error("The received message cannot be sent using a single reply surb. It ended up getting split into {fragments} fragments.")]
+    #[error("message too long for a single SURB, splitting into {fragments} fragments.")]
     MessageTooLongForSingleSurb { fragments: usize },
 
-    #[error("Not enough reply SURBs to send the message. We have {available} available and require at least {required}.")]
+    #[error(
+        "not enough reply SURBs to send the message, available: {available} required: {required}."
+    )]
     NotEnoughSurbs { available: usize, required: usize },
 }
 
@@ -149,12 +152,14 @@ pub(crate) struct MessageHandler<R> {
     topology_access: TopologyAccessor,
     reply_key_storage: SentReplyKeys,
     tag_storage: UsedSenderTags,
+    task_client: TaskClient,
 }
 
 impl<R> MessageHandler<R>
 where
     R: CryptoRng + Rng,
 {
+    #[allow(clippy::too_many_arguments)]
     pub(crate) fn new(
         config: Config,
         rng: R,
@@ -163,6 +168,7 @@ where
         topology_access: TopologyAccessor,
         reply_key_storage: SentReplyKeys,
         tag_storage: UsedSenderTags,
+        task_client: TaskClient,
     ) -> Self
     where
         R: Copy,
@@ -183,6 +189,7 @@ where
             topology_access,
             reply_key_storage,
             tag_storage,
+            task_client,
         }
     }
 
@@ -609,15 +616,25 @@ where
     }
 
     pub(crate) fn update_ack_delay(&self, id: FragmentIdentifier, new_delay: Delay) {
-        self.action_sender
+        if let Err(err) = self
+            .action_sender
             .unbounded_send(Action::UpdatePendingAck(id, new_delay))
-            .expect("action control task has died")
+        {
+            if !self.task_client.is_shutdown_poll() {
+                error!("Failed to send update action to the controller: {err}");
+            }
+        }
     }
 
     pub(crate) fn insert_pending_acks(&self, pending_acks: Vec<PendingAcknowledgement>) {
-        self.action_sender
+        if let Err(err) = self
+            .action_sender
             .unbounded_send(Action::new_insert(pending_acks))
-            .expect("action control task has died")
+        {
+            if !self.task_client.is_shutdown_poll() {
+                error!("Failed to send insert action to the controller: {err}");
+            }
+        }
     }
 
     // tells real message sender (with the poisson timer) to send this to the mix network
@@ -626,9 +643,14 @@ where
         messages: Vec<RealMessage>,
         transmission_lane: TransmissionLane,
     ) {
-        self.real_message_sender
+        if let Err(err) = self
+            .real_message_sender
             .send((messages, transmission_lane))
             .await
-            .expect("real message receiver task (OutQueueControl) has died");
+        {
+            if !self.task_client.is_shutdown_poll() {
+                error!("Failed to forward messages to the real message sender: {err}");
+            }
+        }
     }
 }

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

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

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

@@ -22,6 +22,7 @@ use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, C
 use nym_task::connections::{
     ConnectionCommand, ConnectionCommandReceiver, ConnectionId, LaneQueueLengths, TransmissionLane,
 };
+use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 use std::pin::Pin;
 use std::sync::Arc;
@@ -117,6 +118,8 @@ where
 
     /// Channel used for sending metrics events (specifically `PacketStatistics` events) to the metrics tracker.
     stats_tx: ClientStatsSender,
+
+    task_client: TaskClient,
 }
 
 #[derive(Debug)]
@@ -176,6 +179,7 @@ where
         lane_queue_lengths: LaneQueueLengths,
         client_connection_rx: ConnectionCommandReceiver,
         stats_tx: ClientStatsSender,
+        task_client: TaskClient,
     ) -> Self {
         OutQueueControl {
             config,
@@ -190,6 +194,7 @@ where
             client_connection_rx,
             lane_queue_lengths,
             stats_tx,
+            task_client,
         }
     }
 
@@ -198,7 +203,9 @@ where
         // queues and client load rather than the required delay. So realistically we can treat
         // whatever is about to happen as negligible additional delay.
         trace!("{} is about to get sent to the mixnet", frag_id);
-        self.sent_notifier.unbounded_send(frag_id).unwrap();
+        if let Err(err) = self.sent_notifier.unbounded_send(frag_id) {
+            error!("Failed to notify about sent message: {err}");
+        }
     }
 
     fn loop_cover_message_size(&mut self) -> PacketSize {
@@ -271,7 +278,9 @@ where
         };
 
         if let Err(err) = self.mix_tx.send(vec![next_message]).await {
-            log::error!("Failed to send: {err}");
+            if !self.task_client.is_shutdown_poll() {
+                log::error!("Failed to send: {err}");
+            }
         } else {
             let event = if fragment_id.is_some() {
                 PacketStatisticsEvent::RealPacketSent(packet_size)
@@ -504,21 +513,29 @@ where
     }
 
     #[cfg(not(target_arch = "wasm32"))]
-    fn log_status(&self, shutdown: &mut nym_task::TaskClient) {
+    fn log_status(&self, shutdown: &mut TaskClient) {
         use crate::error::ClientCoreStatusMessage;
 
         let packets = self.transmission_buffer.total_size();
-        let backlog = self.transmission_buffer.total_size_in_bytes() as f64 / 1024.0;
-        let lanes = self.transmission_buffer.num_lanes();
+        let lanes = self.transmission_buffer.lanes();
         let mult = self.sending_delay_controller.current_multiplier();
         let delay = self.current_average_message_sending_delay().as_millis();
+
+        let lane_status = lanes
+            .iter()
+            .map(|lane_name| {
+                let lane_length = self.transmission_buffer.lane_length(lane_name).unwrap_or(0);
+                format!("{lane_name:?}: {lane_length}")
+            })
+            .collect::<Vec<String>>()
+            .join(", ");
+
         let status_str = if self.config.traffic.disable_main_poisson_packet_distribution {
-            format!("Packet backlog: {backlog:.2} kiB ({packets}), {lanes} lanes, no delay")
+            format!("Packet backlog: {lane_status}, no delay")
         } else {
-            format!(
-                "Packet backlog: {backlog:.2} kiB ({packets}), {lanes} lanes, avg delay: {delay}ms ({mult})"
-            )
+            format!("Packet backlog: {lane_status}, avg delay: {delay}ms ({mult})")
         };
+
         if packets > 1000 {
             log::warn!("{status_str}");
         } else if packets > 0 {
@@ -535,17 +552,19 @@ where
         }
     }
 
-    pub(super) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
+    pub(super) async fn run(&mut self) {
         debug!("Started OutQueueControl with graceful shutdown support");
 
+        let mut shutdown = self.task_client.fork("select");
+
         #[cfg(not(target_arch = "wasm32"))]
         {
             let mut status_timer = tokio::time::interval(Duration::from_secs(5));
 
-            loop {
+            while !shutdown.is_shutdown() {
                 tokio::select! {
                     biased;
-                    _ = shutdown.recv_with_delay() => {
+                    _ = shutdown.recv() => {
                         log::trace!("OutQueueControl: Received shutdown");
                         break;
                     }

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

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

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

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

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

@@ -12,6 +12,7 @@ use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
 use nym_sphinx::anonymous_replies::ReplySurb;
 use nym_sphinx::chunking::fragment::{Fragment, FragmentIdentifier};
 use nym_task::connections::{ConnectionId, TransmissionLane};
+use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 use std::cmp::{max, min};
 use std::collections::btree_map::Entry;
@@ -68,6 +69,9 @@ pub struct ReplyController<R> {
 
     message_handler: MessageHandler<R>,
     full_reply_storage: CombinedReplyStorage,
+
+    // Listen for shutdown signals
+    task_client: TaskClient,
 }
 
 impl<R> ReplyController<R>
@@ -79,6 +83,7 @@ where
         message_handler: MessageHandler<R>,
         full_reply_storage: CombinedReplyStorage,
         request_receiver: ReplyControllerReceiver,
+        task_client: TaskClient,
     ) -> Self {
         ReplyController {
             config,
@@ -87,6 +92,7 @@ where
             pending_retransmissions: HashMap::new(),
             message_handler,
             full_reply_storage,
+            task_client,
         }
     }
 
@@ -96,6 +102,7 @@ where
         fragments: I,
         lane: TransmissionLane,
     ) {
+        trace!("buffering pending replies for {recipient}");
         self.pending_replies
             .entry(*recipient)
             .or_insert_with(TransmissionBuffer::new)
@@ -107,6 +114,7 @@ where
         recipient: &AnonymousSenderTag,
         fragments: Vec<(TransmissionLane, Fragment)>,
     ) {
+        trace!("re-inserting pending replies for {recipient}");
         // the buffer should ALWAYS exist at this point, if it doesn't, it's a bug...
         self.pending_replies
             .entry(*recipient)
@@ -119,6 +127,7 @@ where
         recipient: &AnonymousSenderTag,
         data: Vec<Arc<PendingAcknowledgement>>,
     ) {
+        trace!("re-inserting pending retransmissions for {recipient}");
         // the underlying entry MUST exist as we've just got data from there
         let map_entry = self
             .pending_retransmissions
@@ -136,7 +145,7 @@ where
     }
 
     fn should_request_more_surbs(&self, target: &AnonymousSenderTag) -> bool {
-        trace!("checking if we should request more surbs from {:?}", target);
+        trace!("checking if we should request more surbs from {target}");
 
         let pending_queue_size = self
             .pending_replies
@@ -152,11 +161,6 @@ where
 
         let total_queue = pending_queue_size + retransmission_queue;
 
-        // simple as that - there's absolutely nothing to retransmit
-        if total_queue == 0 {
-            return false;
-        }
-
         let available_surbs = self
             .full_reply_storage
             .surbs_storage_ref()
@@ -173,11 +177,27 @@ where
             .full_reply_storage
             .surbs_storage_ref()
             .max_surb_threshold();
+        let min_surbs_threshold_buffer =
+            self.config.reply_surbs.minimum_reply_surb_threshold_buffer;
 
-        debug!("total queue size: {total_queue} = pending data {pending_queue_size} + pending retransmission {retransmission_queue}, available surbs: {available_surbs} pending surbs: {pending_surbs} threshold range: {min_surbs_threshold}..{max_surbs_threshold}");
+        // After clearing the queue, we want to have at least `min_surbs_threshold` surbs available
+        // and reserved for requesting additional surbs, and in addition to that we also want to
+        // have `min_surbs_threshold_buffer` surbs available proactively.
+        let target_surbs_after_clearing_queue = min_surbs_threshold + min_surbs_threshold_buffer;
 
-        (pending_surbs + available_surbs) < max_surbs_threshold
-            && (pending_surbs + available_surbs) < (total_queue + min_surbs_threshold)
+        // Check if we have enough surbs to handle the total queue and maintain minimum thresholds
+        let total_required_surbs = total_queue + target_surbs_after_clearing_queue;
+        let total_available_surbs = pending_surbs + available_surbs;
+
+        debug!("total queue size: {total_queue} = pending data {pending_queue_size} + pending retransmission {retransmission_queue}, available surbs: {available_surbs} pending surbs: {pending_surbs} threshold range: {min_surbs_threshold}..+{min_surbs_threshold_buffer}..{max_surbs_threshold}");
+
+        // We should request more surbs if:
+        // 1. We haven't hit the maximum surb threshold, and
+        // 2. We don't have enough surbs to handle the queue plus minimum thresholds
+        let is_below_max_threshold = total_available_surbs < max_surbs_threshold;
+        let is_below_required_surbs = total_available_surbs < total_required_surbs;
+
+        is_below_max_threshold && is_below_required_surbs
     }
 
     async fn handle_send_reply(
@@ -238,6 +258,10 @@ where
                         &recipient_tag,
                     );
                     warn!("failed to send reply to {recipient_tag}: {err}");
+                    info!(
+                        "buffering {no_fragments} fragments for {recipient_tag}",
+                        no_fragments = to_send.len()
+                    );
                     self.insert_pending_replies(&recipient_tag, to_send, lane);
                 }
             }
@@ -245,6 +269,13 @@ where
 
         // if there's leftover data we didn't send because we didn't have enough (or any) surbs - buffer it
         if !fragments.is_empty() {
+            // Ideally we should have enough surbs above the minimum threshold to handle sending
+            // new replies without having to first request more surbs. That's why I'd like to log
+            // these cases as they might indicate a problem with the surb management.
+            debug!(
+                "buffering {no_fragments} fragments for {recipient_tag}",
+                no_fragments = fragments.len()
+            );
             self.insert_pending_replies(&recipient_tag, fragments, lane);
         }
 
@@ -259,6 +290,7 @@ where
         target: AnonymousSenderTag,
         amount: u32,
     ) -> Result<(), PreparationError> {
+        debug!("requesting {amount} additional reply surbs for {target}");
         let reply_surb = self
             .full_reply_storage
             .surbs_storage_ref()
@@ -680,7 +712,7 @@ where
     // it should take into consideration the average latency, sending rate and queue size.
     // it should request as many surbs as it takes to saturate its sending rate before next batch arrives
     async fn request_reply_surbs_for_queue_clearing(&mut self, target: AnonymousSenderTag) {
-        trace!("requesting surbs for queues clearing");
+        trace!("requesting surbs for queue clearing");
 
         let pending_queue_size = self
             .pending_replies
@@ -694,17 +726,18 @@ where
             .map(|pending_queue| pending_queue.len())
             .unwrap_or_default();
 
+        let min_surbs_buffer = self.config.reply_surbs.minimum_reply_surb_threshold_buffer as u32;
+
         let total_queue = (pending_queue_size + retransmission_queue) as u32;
 
-        if total_queue == 0 {
-            trace!("the pending queues for {:?} are already empty", target);
-            return;
-        }
+        // To proactively request additional surbs, we aim to have a buffer of extra surbs in our
+        // storage.
+        let total_queue_with_buffer = total_queue + min_surbs_buffer;
 
         let request_size = min(
             self.config.reply_surbs.maximum_reply_surb_request_size,
             max(
-                total_queue,
+                total_queue_with_buffer,
                 self.config.reply_surbs.minimum_reply_surb_request_size,
             ),
         );
@@ -713,7 +746,7 @@ where
             .request_additional_reply_surbs(target, request_size)
             .await
         {
-            warn!("failed to request additional surbs... - {err}")
+            info!("{err}")
         }
     }
 
@@ -846,9 +879,11 @@ where
     //     todo!()
     // }
 
-    pub(crate) async fn run_with_shutdown(&mut self, mut shutdown: nym_task::TaskClient) {
+    pub(crate) async fn run(&mut self) {
         debug!("Started ReplyController with graceful shutdown support");
 
+        let mut shutdown = self.task_client.fork("select");
+
         let polling_rate = Duration::from_secs(5);
         let mut stale_inspection = new_interval_stream(polling_rate);
 
@@ -860,7 +895,7 @@ where
         while !shutdown.is_shutdown() {
             tokio::select! {
                 biased;
-                _ = shutdown.recv_with_delay() => {
+                _ = shutdown.recv() => {
                     log::trace!("ReplyController: Received shutdown");
                 },
                 req = self.request_receiver.next() => match req {

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

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

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

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

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

@@ -6,6 +6,7 @@ pub(crate) use accessor::{TopologyAccessor, TopologyReadPermit};
 use futures::StreamExt;
 use log::*;
 use nym_sphinx::addressing::nodes::NodeIdentity;
+use nym_task::TaskClient;
 use nym_topology::NymTopologyError;
 use std::time::Duration;
 
@@ -43,6 +44,8 @@ pub struct TopologyRefresher {
 
     refresh_rate: Duration,
     consecutive_failure_count: usize,
+
+    task_client: TaskClient,
 }
 
 impl TopologyRefresher {
@@ -50,12 +53,14 @@ impl TopologyRefresher {
         cfg: TopologyRefresherConfig,
         topology_accessor: TopologyAccessor,
         topology_provider: Box<dyn TopologyProvider + Send + Sync>,
+        task_client: TaskClient,
     ) -> Self {
         TopologyRefresher {
             topology_provider,
             topology_accessor,
             refresh_rate: cfg.refresh_rate,
             consecutive_failure_count: 0,
+            task_client,
         }
     }
 
@@ -142,7 +147,7 @@ impl TopologyRefresher {
         }
     }
 
-    pub fn start_with_shutdown(mut self, mut shutdown: nym_task::TaskClient) {
+    pub fn start(mut self) {
         spawn_future(async move {
             debug!("Started TopologyRefresher with graceful shutdown support");
 
@@ -155,17 +160,17 @@ impl TopologyRefresher {
             let mut interval =
                 gloo_timers::future::IntervalStream::new(self.refresh_rate.as_millis() as u32);
 
-            while !shutdown.is_shutdown() {
+            while !self.task_client.is_shutdown() {
                 tokio::select! {
                     _ = interval.next() => {
                         self.try_refresh().await;
                     },
-                    _ = shutdown.recv() => {
+                    _ = self.task_client.recv() => {
                         log::trace!("TopologyRefresher: Received shutdown");
                     },
                 }
             }
-            shutdown.recv_timeout().await;
+            self.task_client.recv_timeout().await;
             log::debug!("TopologyRefresher: Exiting");
         })
     }

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

@@ -58,8 +58,8 @@ impl<T> TransmissionBuffer<T> {
     }
 
     #[cfg(not(target_arch = "wasm32"))]
-    pub(crate) fn num_lanes(&self) -> usize {
-        self.buffer.keys().count()
+    pub(crate) fn lanes(&self) -> Vec<TransmissionLane> {
+        self.buffer.keys().cloned().collect()
     }
 
     pub(crate) fn lane_length(&self, lane: &TransmissionLane) -> Option<usize> {
@@ -83,6 +83,7 @@ impl<T> TransmissionBuffer<T> {
     }
 
     #[cfg(not(target_arch = "wasm32"))]
+    #[allow(unused)]
     pub(crate) fn total_size_in_bytes(&self) -> usize
     where
         T: SizedData,

common/client-core/src/error.rs

@@ -36,6 +36,13 @@ pub enum ClientCoreError {
     #[error("no gateway with id: {0}")]
     NoGatewayWithId(String),
 
+    #[error("Invalid URL: {0}")]
+    InvalidUrl(String),
+
+    #[cfg(not(target_arch = "wasm32"))]
+    #[error("resolution failed: {0}")]
+    ResolutionFailed(#[from] nym_http_api_client::HickoryDnsError),
+
     #[error("no gateways on network")]
     NoGatewaysOnNetwork,
 
@@ -96,6 +103,9 @@ pub enum ClientCoreError {
     #[error("timed out while trying to establish gateway connection")]
     GatewayConnectionTimeout,
 
+    #[error("failed to forward mix messages to gateway")]
+    GatewayFailedToForwardMessages,
+
     #[error("no ping measurements for the gateway ({identity}) performed")]
     NoGatewayMeasurements { identity: String },
 
@@ -212,6 +222,9 @@ pub enum ClientCoreError {
         "fresh registration with gateway {gateway_id} somehow requires an additional key upgrade!"
     )]
     UnexpectedKeyUpgrade { gateway_id: String },
+
+    #[error("failed to derive keys from master key")]
+    HkdfDerivationError {},
 }
 
 /// Set of messages that the client can send to listeners via the task manager

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

@@ -15,6 +15,9 @@ use std::{sync::Arc, time::Duration};
 use tungstenite::Message;
 use url::Url;
 
+#[cfg(not(target_arch = "wasm32"))]
+use crate::init::websockets::connect_async;
+
 use nym_topology::NodeId;
 #[cfg(not(target_arch = "wasm32"))]
 use tokio::net::TcpStream;
@@ -23,8 +26,6 @@ use tokio::time::sleep;
 #[cfg(not(target_arch = "wasm32"))]
 use tokio::time::Instant;
 #[cfg(not(target_arch = "wasm32"))]
-use tokio_tungstenite::connect_async;
-#[cfg(not(target_arch = "wasm32"))]
 use tokio_tungstenite::{MaybeTlsStream, WebSocketStream};
 #[cfg(target_arch = "wasm32")]
 use wasm_utils::websocket::JSWebsocket;
@@ -86,11 +87,12 @@ impl<'a, G: ConnectableGateway> GatewayWithLatency<'a, G> {
     }
 }
 
-pub async fn current_gateways<R: Rng>(
+pub async fn gateways_for_init<R: Rng>(
     rng: &mut R,
     nym_apis: &[Url],
     user_agent: Option<UserAgent>,
     minimum_performance: u8,
+    ignore_epoch_roles: bool,
 ) -> Result<Vec<RoutingNode>, ClientCoreError> {
     let nym_api = nym_apis
         .choose(rng)
@@ -108,8 +110,11 @@ pub async fn current_gateways<R: Rng>(
 
     log::trace!("Gateways: {:#?}", gateways);
 
+    // filter out gateways below minimum performance and ones that could operate as a mixnode
+    // (we don't want instability)
     let valid_gateways = gateways
         .iter()
+        .filter(|g| ignore_epoch_roles || !g.supported_roles.mixnode)
         .filter(|g| g.performance.round_to_integer() >= minimum_performance)
         .filter_map(|gateway| gateway.try_into().ok())
         .collect::<Vec<_>>();
@@ -128,7 +133,7 @@ pub async fn current_gateways<R: Rng>(
 async fn connect(endpoint: &str) -> Result<WsConn, ClientCoreError> {
     match tokio::time::timeout(CONN_TIMEOUT, connect_async(endpoint)).await {
         Err(_elapsed) => Err(ClientCoreError::GatewayConnectionTimeout),
-        Ok(Err(conn_failure)) => Err(conn_failure.into()),
+        Ok(Err(conn_failure)) => Err(conn_failure),
         Ok(Ok((stream, _))) => Ok(stream),
     }
 }

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

@@ -26,6 +26,8 @@ use serde::Serialize;
 
 pub mod helpers;
 pub mod types;
+#[cfg(not(target_arch = "wasm32"))]
+pub(crate) mod websockets;
 
 // helpers for error wrapping
 

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

@@ -17,7 +17,7 @@ use nym_topology::node::RoutingNode;
 use nym_validator_client::client::IdentityKey;
 use nym_validator_client::nyxd::AccountId;
 use serde::Serialize;
-use std::fmt::Display;
+use std::fmt::{Debug, Display};
 use std::sync::Arc;
 use time::OffsetDateTime;
 use url::Url;
@@ -221,6 +221,34 @@ pub enum GatewaySetup {
     },
 }
 
+impl Debug for GatewaySetup {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            GatewaySetup::MustLoad { gateway_id } => f
+                .debug_struct("GatewaySetup::MustLoad")
+                .field("gateway_id", gateway_id)
+                .finish(),
+            GatewaySetup::New {
+                specification,
+                available_gateways,
+            } => f
+                .debug_struct("GatewaySetup::New")
+                .field("specification", specification)
+                .field("available_gateways", available_gateways)
+                .field("gateways", specification)
+                .finish(),
+            GatewaySetup::ReuseConnection {
+                gateway_details, ..
+            } => f
+                .debug_struct("GatewaySetup::ReuseConnection")
+                .field("authenticated_ephemeral_client", &"***")
+                .field("gateway_details", gateway_details)
+                .field("client_keys", &"***")
+                .finish(),
+        }
+    }
+}
+
 impl GatewaySetup {
     pub fn try_reuse_connection(init_res: InitialisationResult) -> Result<Self, ClientCoreError> {
         if let Some(authenticated_ephemeral_client) = init_res.authenticated_ephemeral_client {

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

@@ -0,0 +1,44 @@
+use crate::error::ClientCoreError;
+
+use nym_http_api_client::HickoryDnsResolver;
+use tokio::net::TcpStream;
+use tokio_tungstenite::{MaybeTlsStream, WebSocketStream};
+use tungstenite::handshake::client::Response;
+use url::{Host, Url};
+
+use std::net::SocketAddr;
+
+#[cfg(not(target_arch = "wasm32"))]
+pub(crate) async fn connect_async(
+    endpoint: &str,
+) -> Result<(WebSocketStream<MaybeTlsStream<TcpStream>>, Response), ClientCoreError> {
+    let resolver = HickoryDnsResolver::default();
+    let uri = Url::parse(endpoint).map_err(|_| ClientCoreError::InvalidUrl(endpoint.to_owned()))?;
+    let port: u16 = uri.port_or_known_default().unwrap_or(443);
+
+    let host = uri
+        .host()
+        .ok_or(ClientCoreError::InvalidUrl(endpoint.to_owned()))?;
+
+    // Get address for tcp connection, if a domain is provided use our preferred resolver rather than
+    // the default std resolve
+    let sock_addrs: Vec<SocketAddr> = match host {
+        Host::Ipv4(addr) => vec![SocketAddr::new(addr.into(), port)],
+        Host::Ipv6(addr) => vec![SocketAddr::new(addr.into(), port)],
+        Host::Domain(domain) => {
+            // Do a DNS lookup for the domain using our custom DNS resolver
+            resolver
+                .resolve_str(domain)
+                .await?
+                .into_iter()
+                .map(|a| SocketAddr::new(a, port))
+                .collect()
+        }
+    };
+
+    let stream = TcpStream::connect(&sock_addrs[..]).await?;
+
+    tokio_tungstenite::client_async_tls(endpoint, stream)
+        .await
+        .map_err(Into::into)
+}

common/client-core/src/lib.rs

@@ -33,48 +33,3 @@ where
 {
     tokio::spawn(future);
 }
-
-#[derive(Clone, Default, Debug)]
-pub struct ForgetMe {
-    client: bool,
-    stats: bool,
-}
-
-impl ForgetMe {
-    pub fn new_all() -> Self {
-        Self {
-            client: true,
-            stats: true,
-        }
-    }
-
-    pub fn new_client() -> Self {
-        Self {
-            client: true,
-            stats: false,
-        }
-    }
-
-    pub fn new_stats() -> Self {
-        Self {
-            client: false,
-            stats: true,
-        }
-    }
-
-    pub fn new(client: bool, stats: bool) -> Self {
-        Self { client, stats }
-    }
-
-    pub fn any(&self) -> bool {
-        self.client || self.stats
-    }
-
-    pub fn client(&self) -> bool {
-        self.client
-    }
-
-    pub fn stats(&self) -> bool {
-        self.stats
-    }
-}

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

@@ -10,7 +10,7 @@ use crate::{
     CombinedReplyStorage, ReceivedReplySurbsMap, ReplyStorageBackend, SentReplyKeys, UsedSenderTags,
 };
 use async_trait::async_trait;
-use log::{error, info, warn};
+use log::{debug, error, info, warn};
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
 use std::fs;
 use std::path::{Path, PathBuf};
@@ -52,7 +52,10 @@ impl Backend {
         Ok(backend)
     }
 
-    pub async fn try_load<P: AsRef<Path>>(database_path: P) -> Result<Self, StorageError> {
+    pub async fn try_load<P: AsRef<Path>>(
+        database_path: P,
+        fresh_sender_tags: bool,
+    ) -> Result<Self, StorageError> {
         let owned_path: PathBuf = database_path.as_ref().into();
         if owned_path.file_name().is_none() {
             return Err(StorageError::DatabasePathWithoutFilename {
@@ -118,6 +121,9 @@ impl Backend {
         if days > 2 {
             info!("it's been over {days} days and {hours} hours since we last used our data store. our used sender tags are already outdated - we're going to purge them now.");
             manager.delete_all_tags().await?;
+        } else if fresh_sender_tags {
+            debug!("starting with fresh sender tags");
+            manager.delete_all_tags().await?;
         }
 
         Ok(Backend {

common/client-libs/gateway-client/Cargo.toml

@@ -27,6 +27,7 @@ nym-credential-storage = { path = "../../credential-storage" }
 nym-credentials-interface = { path = "../../credentials-interface" }
 nym-crypto = { path = "../../crypto" }
 nym-gateway-requests = { path = "../../gateway-requests" }
+nym-http-api-client = { path = "../../http-api-client" }
 nym-network-defaults = { path = "../../network-defaults" }
 nym-sphinx = { path = "../../nymsphinx" }
 nym-statistics-common = { path = "../../statistics" }

common/client-libs/gateway-client/src/client/mod.rs

@@ -20,8 +20,8 @@ use nym_credentials_interface::TicketType;
 use nym_crypto::asymmetric::identity;
 use nym_gateway_requests::registration::handshake::client_handshake;
 use nym_gateway_requests::{
-    BinaryRequest, ClientControlRequest, ClientRequest, SensitiveServerResponse, ServerResponse,
-    SharedGatewayKey, SharedSymmetricKey, AES_GCM_SIV_PROTOCOL_VERSION,
+    BinaryRequest, ClientControlRequest, ClientRequest, GatewayProtocolVersionExt,
+    SensitiveServerResponse, ServerResponse, SharedGatewayKey, SharedSymmetricKey,
     CREDENTIAL_UPDATE_V2_PROTOCOL_VERSION, CURRENT_PROTOCOL_VERSION,
 };
 use nym_sphinx::forwarding::packet::MixPacket;
@@ -40,8 +40,6 @@ use url::Url;
 use std::os::fd::RawFd;
 #[cfg(not(target_arch = "wasm32"))]
 use tokio::time::sleep;
-#[cfg(not(target_arch = "wasm32"))]
-use tokio_tungstenite::connect_async;
 
 #[cfg(not(unix))]
 use std::os::raw::c_int as RawFd;
@@ -53,6 +51,11 @@ use zeroize::Zeroizing;
 
 pub mod config;
 
+#[cfg(not(target_arch = "wasm32"))]
+pub(crate) mod websockets;
+#[cfg(not(target_arch = "wasm32"))]
+use websockets::connect_async;
+
 pub struct GatewayConfig {
     pub gateway_identity: identity::PublicKey,
 
@@ -201,23 +204,15 @@ impl<C, St> GatewayClient<C, St> {
             "Attemting to establish connection to gateway at: {}",
             self.gateway_address
         );
-        let ws_stream = match connect_async(&self.gateway_address).await {
-            Ok((ws_stream, _)) => ws_stream,
-            Err(error) => {
-                return Err(GatewayClientError::NetworkConnectionFailed {
-                    address: self.gateway_address.clone(),
-                    source: error,
-                })
-            }
-        };
+        let (ws_stream, _) = connect_async(
+            &self.gateway_address,
+            #[cfg(unix)]
+            self.connection_fd_callback.clone(),
+        )
+        .await?;
 
         self.connection = SocketState::Available(Box::new(ws_stream));
 
-        #[cfg(unix)]
-        if let (Some(callback), Some(fd)) = (self.connection_fd_callback.as_ref(), self.ws_fd()) {
-            callback.as_ref()(fd);
-        }
-
         Ok(())
     }
 
@@ -271,6 +266,19 @@ impl<C, St> GatewayClient<C, St> {
         }
     }
 
+    pub async fn send_client_request(
+        &mut self,
+        message: ClientRequest,
+    ) -> Result<(), GatewayClientError> {
+        if let Some(shared_key) = self.shared_key() {
+            let encrypted = message.encrypt(&*shared_key)?;
+            Box::pin(self.send_websocket_message(encrypted)).await?;
+            Ok(())
+        } else {
+            Err(GatewayClientError::ConnectionInInvalidState)
+        }
+    }
+
     async fn read_control_response(&mut self) -> Result<ServerResponse, GatewayClientError> {
         // we use the fact that all request responses are Message::Text and only pushed
         // sphinx packets are Message::Binary
@@ -555,28 +563,10 @@ impl<C, St> GatewayClient<C, St> {
         Ok(zeroizing_updated_key)
     }
 
-    async fn authenticate(&mut self) -> Result<(), GatewayClientError> {
-        let Some(shared_key) = self.shared_key.as_ref() else {
-            return Err(GatewayClientError::NoSharedKeyAvailable);
-        };
-
-        if !self.connection.is_established() {
-            return Err(GatewayClientError::ConnectionNotEstablished);
-        }
-        debug!("authenticating with gateway");
-
-        let self_address = self
-            .local_identity
-            .as_ref()
-            .public_key()
-            .derive_destination_address();
-
-        let msg = ClientControlRequest::new_authenticate(
-            self_address,
-            shared_key,
-            self.cfg.bandwidth.require_tickets,
-        )?;
-
+    async fn send_authenticate_request_and_handle_response(
+        &mut self,
+        msg: ClientControlRequest,
+    ) -> Result<(), GatewayClientError> {
         match self.send_websocket_message(msg).await? {
             ServerResponse::Authenticate {
                 protocol_version,
@@ -600,6 +590,51 @@ impl<C, St> GatewayClient<C, St> {
         }
     }
 
+    async fn authenticate_v1(&mut self) -> Result<(), GatewayClientError> {
+        debug!("using v1 authentication");
+
+        let Some(shared_key) = self.shared_key.as_ref() else {
+            return Err(GatewayClientError::NoSharedKeyAvailable);
+        };
+
+        let self_address = self
+            .local_identity
+            .public_key()
+            .derive_destination_address();
+
+        let msg = ClientControlRequest::new_authenticate(
+            self_address,
+            shared_key,
+            self.cfg.bandwidth.require_tickets,
+        )?;
+        self.send_authenticate_request_and_handle_response(msg)
+            .await
+    }
+
+    async fn authenticate_v2(&mut self) -> Result<(), GatewayClientError> {
+        debug!("using v2 authentication");
+        let Some(shared_key) = self.shared_key.as_ref() else {
+            return Err(GatewayClientError::NoSharedKeyAvailable);
+        };
+
+        let msg = ClientControlRequest::new_authenticate_v2(shared_key, &self.local_identity)?;
+        self.send_authenticate_request_and_handle_response(msg)
+            .await
+    }
+
+    async fn authenticate(&mut self, use_v2: bool) -> Result<(), GatewayClientError> {
+        if !self.connection.is_established() {
+            return Err(GatewayClientError::ConnectionNotEstablished);
+        }
+        debug!("authenticating with gateway");
+
+        if use_v2 {
+            self.authenticate_v2().await
+        } else {
+            self.authenticate_v1().await
+        }
+    }
+
     /// Helper method to either call register or authenticate based on self.shared_key value
     #[instrument(skip_all,
         fields(
@@ -615,19 +650,25 @@ impl<C, St> GatewayClient<C, St> {
         }
 
         // 1. check gateway's protocol version
-        let supports_aes_gcm_siv = match self.get_gateway_protocol().await {
-            Ok(protocol) => protocol >= AES_GCM_SIV_PROTOCOL_VERSION,
+        let gw_protocol = match self.get_gateway_protocol().await {
+            Ok(protocol) => Some(protocol),
             Err(_) => {
                 // if we failed to send the request, it means the gateway is running the old binary,
                 // so it has reset our connection - we have to reconnect
                 self.establish_connection().await?;
-                false
+                None
             }
         };
 
+        let supports_aes_gcm_siv = gw_protocol.supports_aes256_gcm_siv();
+        let supports_auth_v2 = gw_protocol.supports_authenticate_v2();
+
         if !supports_aes_gcm_siv {
             warn!("this gateway is on an old version that doesn't support AES256-GCM-SIV");
         }
+        if !supports_auth_v2 {
+            warn!("this gateway is on an old version that doesn't support authentication v2")
+        }
 
         if self.authenticated {
             debug!("Already authenticated");
@@ -642,7 +683,7 @@ impl<C, St> GatewayClient<C, St> {
         }
 
         if self.shared_key.is_some() {
-            self.authenticate().await?;
+            self.authenticate(supports_auth_v2).await?;
 
             if self.authenticated {
                 // if we are authenticated it means we MUST have an associated shared_key
@@ -975,7 +1016,8 @@ impl<C, St> GatewayClient<C, St> {
         }
 
         // if we're reconnecting, because we lost connection, we need to re-authenticate the connection
-        self.authenticate().await?;
+        self.authenticate(self.negotiated_protocol.supports_authenticate_v2())
+            .await?;
 
         // this call is NON-blocking
         self.start_listening_for_mixnet_messages()?;
@@ -1045,7 +1087,7 @@ impl GatewayClient<InitOnly, EphemeralCredentialStorage> {
             connection: SocketState::NotConnected,
             packet_router,
             bandwidth_controller: None,
-            stats_reporter: ClientStatsSender::new(None),
+            stats_reporter: ClientStatsSender::new(None, task_client.clone()),
             negotiated_protocol: None,
             #[cfg(unix)]
             connection_fd_callback: None,

common/client-libs/gateway-client/src/client/websockets.rs

@@ -0,0 +1,88 @@
+use crate::error::GatewayClientError;
+
+use nym_http_api_client::HickoryDnsResolver;
+#[cfg(unix)]
+use std::{
+    os::fd::{AsRawFd, RawFd},
+    sync::Arc,
+};
+use tokio::net::TcpStream;
+use tokio_tungstenite::{MaybeTlsStream, WebSocketStream};
+use tungstenite::handshake::client::Response;
+use url::{Host, Url};
+
+use std::net::SocketAddr;
+
+#[cfg(not(target_arch = "wasm32"))]
+pub(crate) async fn connect_async(
+    endpoint: &str,
+    #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
+) -> Result<(WebSocketStream<MaybeTlsStream<TcpStream>>, Response), GatewayClientError> {
+    use tokio::net::TcpSocket;
+
+    let resolver = HickoryDnsResolver::default();
+    let uri =
+        Url::parse(endpoint).map_err(|_| GatewayClientError::InvalidUrl(endpoint.to_owned()))?;
+    let port: u16 = uri.port_or_known_default().unwrap_or(443);
+
+    let host = uri
+        .host()
+        .ok_or(GatewayClientError::InvalidUrl(endpoint.to_owned()))?;
+
+    // Get address for tcp connection, if a domain is provided use our preferred resolver rather than
+    // the default std resolve
+    let sock_addrs: Vec<SocketAddr> = match host {
+        Host::Ipv4(addr) => vec![SocketAddr::new(addr.into(), port)],
+        Host::Ipv6(addr) => vec![SocketAddr::new(addr.into(), port)],
+        Host::Domain(domain) => {
+            // Do a DNS lookup for the domain using our custom DNS resolver
+            resolver
+                .resolve_str(domain)
+                .await?
+                .into_iter()
+                .map(|a| SocketAddr::new(a, port))
+                .collect()
+        }
+    };
+
+    let mut stream = Err(GatewayClientError::NoEndpointForConnection {
+        address: endpoint.to_owned(),
+    });
+    for sock_addr in sock_addrs {
+        let socket = if sock_addr.is_ipv4() {
+            TcpSocket::new_v4()
+        } else {
+            TcpSocket::new_v6()
+        }
+        .map_err(|err| GatewayClientError::NetworkConnectionFailed {
+            address: endpoint.to_owned(),
+            source: err.into(),
+        })?;
+
+        #[cfg(unix)]
+        if let Some(callback) = connection_fd_callback.as_ref() {
+            callback.as_ref()(socket.as_raw_fd());
+        }
+
+        match socket.connect(sock_addr).await {
+            Ok(s) => {
+                stream = Ok(s);
+                break;
+            }
+            Err(err) => {
+                stream = Err(GatewayClientError::NetworkConnectionFailed {
+                    address: endpoint.to_owned(),
+                    source: err.into(),
+                });
+                continue;
+            }
+        }
+    }
+
+    tokio_tungstenite::client_async_tls(endpoint, stream?)
+        .await
+        .map_err(|error| GatewayClientError::NetworkConnectionFailed {
+            address: endpoint.to_owned(),
+            source: error,
+        })
+}

common/client-libs/gateway-client/src/error.rs

@@ -43,8 +43,15 @@ pub enum GatewayClientError {
     #[error("connection failed: {address}: {source}")]
     NetworkConnectionFailed { address: String, source: WsError },
 
+    #[error("no socket address for endpoint: {address}")]
+    NoEndpointForConnection { address: String },
+
     #[error("Invalid URL: {0}")]
-    InvalidURL(String),
+    InvalidUrl(String),
+
+    #[cfg(not(target_arch = "wasm32"))]
+    #[error("resolution failed: {0}")]
+    ResolutionFailed(#[from] nym_http_api_client::HickoryDnsError),
 
     #[error("No shared key was provided or obtained")]
     NoSharedKeyAvailable,

common/client-libs/validator-client/src/client.rs

@@ -11,23 +11,24 @@ use crate::{
 use nym_api_requests::ecash::models::{
     AggregatedCoinIndicesSignatureResponse, AggregatedExpirationDateSignatureResponse,
     BatchRedeemTicketsBody, EcashBatchTicketRedemptionResponse, EcashTicketVerificationResponse,
-    IssuedTicketbooksChallengeResponse, IssuedTicketbooksForResponse, SpentCredentialsResponse,
-    VerifyEcashTicketBody,
+    IssuedTicketbooksChallengeResponse, IssuedTicketbooksForResponse, VerifyEcashTicketBody,
 };
 use nym_api_requests::ecash::{
     BlindSignRequestBody, BlindedSignatureResponse, PartialCoinIndicesSignatureResponse,
     PartialExpirationDateSignatureResponse, VerificationKeyResponse,
 };
 use nym_api_requests::models::{
-    ApiHealthResponse, GatewayBondAnnotated, GatewayCoreStatusResponse, MixnodeCoreStatusResponse,
-    MixnodeStatusResponse, NymNodeDescription, RewardEstimationResponse, StakeSaturationResponse,
+    ApiHealthResponse, GatewayBondAnnotated, GatewayCoreStatusResponse,
+    HistoricalPerformanceResponse, MixnodeCoreStatusResponse, MixnodeStatusResponse,
+    NymNodeDescription, RewardEstimationResponse, StakeSaturationResponse,
 };
 use nym_api_requests::models::{LegacyDescribedGateway, MixNodeBondAnnotated};
-use nym_api_requests::nym_nodes::SkimmedNode;
+use nym_api_requests::nym_nodes::{NodesByAddressesResponse, SkimmedNode};
 use nym_coconut_dkg_common::types::EpochId;
 use nym_ecash_contract_common::deposit::DepositId;
 use nym_http_api_client::UserAgent;
 use nym_network_defaults::NymNetworkDetails;
+use std::net::IpAddr;
 use time::Date;
 use url::Url;
 
@@ -264,6 +265,31 @@ impl<C, S> Client<C, S> {
         Ok(self.nym_api.get_gateways_detailed_unfiltered().await?)
     }
 
+    pub async fn get_full_node_performance_history(
+        &self,
+        node_id: NodeId,
+    ) -> Result<Vec<HistoricalPerformanceResponse>, ValidatorClientError> {
+        // TODO: deal with paging in macro or some helper function or something, because it's the same pattern everywhere
+        let mut page = 0;
+        let mut history = Vec::new();
+
+        loop {
+            let mut res = self
+                .nym_api
+                .get_node_performance_history(node_id, Some(page), None)
+                .await?;
+
+            history.append(&mut res.history.data);
+            if history.len() < res.history.pagination.total {
+                page += 1
+            } else {
+                break;
+            }
+        }
+
+        Ok(history)
+    }
+
     // TODO: combine with NymApiClient...
     pub async fn get_all_cached_described_nodes(
         &self,
@@ -621,13 +647,6 @@ impl NymApiClient {
             .await?)
     }
 
-    #[deprecated]
-    pub async fn spent_credentials_filter(
-        &self,
-    ) -> Result<SpentCredentialsResponse, ValidatorClientError> {
-        Ok(self.nym_api.double_spending_filter_v1().await?)
-    }
-
     pub async fn partial_expiration_date_signatures(
         &self,
         expiration_date: Option<Date>,
@@ -692,4 +711,11 @@ impl NymApiClient {
             .issued_ticketbooks_challenge(expiration_date, deposits)
             .await?)
     }
+
+    pub async fn nodes_by_addresses(
+        &self,
+        addresses: Vec<IpAddr>,
+    ) -> Result<NodesByAddressesResponse, ValidatorClientError> {
+        Ok(self.nym_api.nodes_by_addresses(addresses).await?)
+    }
 }

common/client-libs/validator-client/src/coconut/mod.rs

@@ -65,6 +65,12 @@ pub enum EcashApiError {
         #[from]
         source: cosmrs::ErrorReport,
     },
+
+    #[error("nym api error")]
+    NymApi {
+        #[from]
+        source: crate::ValidatorClientError,
+    },
 }
 
 impl TryFrom<ContractVKShare> for EcashApiClient {
@@ -77,6 +83,12 @@ impl TryFrom<ContractVKShare> for EcashApiClient {
 
         let url_address = Url::parse(&share.announce_address)?;
 
+        // The NymApiClient constructed here uses the default (hickory DoT/DoH) resolver because
+        // this EcashApiClient is used by both client and non-client applications.
+        //
+        // In non-client applications this resolver can cause warning logs about H2 connection
+        // failure. This indicates that the long lived https connection was closed by the remote
+        // peer and the resolver will have to reconnect. It should not impact actual functionality
         Ok(EcashApiClient {
             api_client: NymApiClient::new(url_address),
             verification_key: VerificationKeyAuth::try_from_bs58(&share.share)?,

common/client-libs/validator-client/src/nym_api/mod.rs

@@ -12,10 +12,13 @@ use nym_api_requests::ecash::models::{
 };
 use nym_api_requests::ecash::VerificationKeyResponse;
 use nym_api_requests::models::{
-    AnnotationResponse, ApiHealthResponse, LegacyDescribedMixNode, NodePerformanceResponse,
-    NodeRefreshBody, NymNodeDescription, RewardedSetResponse,
+    AnnotationResponse, ApiHealthResponse, BinaryBuildInformationOwned, ChainStatusResponse,
+    LegacyDescribedMixNode, NodePerformanceResponse, NodeRefreshBody, NymNodeDescription,
+    PerformanceHistoryResponse, RewardedSetResponse,
+};
+use nym_api_requests::nym_nodes::{
+    NodesByAddressesRequestBody, NodesByAddressesResponse, PaginatedCachedNodesResponse,
 };
-use nym_api_requests::nym_nodes::PaginatedCachedNodesResponse;
 use nym_api_requests::pagination::PaginatedResponse;
 pub use nym_api_requests::{
     ecash::{
@@ -31,6 +34,7 @@ pub use nym_api_requests::{
         StakeSaturationResponse, UptimeResponse,
     },
     nym_nodes::{CachedNodesResponse, SkimmedNode},
+    NymNetworkDetailsResponse,
 };
 pub use nym_coconut_dkg_common::types::EpochId;
 use nym_contracts_common::IdentityKey;
@@ -39,6 +43,7 @@ pub use nym_http_api_client::Client;
 use nym_http_api_client::{ApiClient, NO_PARAMS};
 use nym_mixnet_contract_common::mixnode::MixNodeDetails;
 use nym_mixnet_contract_common::{GatewayBond, IdentityKeyRef, NodeId, NymNodeDetails};
+use std::net::IpAddr;
 use time::format_description::BorrowedFormatItem;
 use time::Date;
 use tracing::instrument;
@@ -65,6 +70,19 @@ pub trait NymApiClientExt: ApiClient {
         .await
     }
 
+    #[instrument(level = "debug", skip(self))]
+    async fn build_information(&self) -> Result<BinaryBuildInformationOwned, NymAPIError> {
+        self.get_json(
+            &[
+                routes::API_VERSION,
+                routes::API_STATUS_ROUTES,
+                routes::BUILD_INFORMATION,
+            ],
+            NO_PARAMS,
+        )
+        .await
+    }
+
     #[deprecated]
     #[instrument(level = "debug", skip(self))]
     async fn get_mixnodes(&self) -> Result<Vec<MixNodeDetails>, NymAPIError> {
@@ -163,6 +181,35 @@ pub trait NymApiClientExt: ApiClient {
         .await
     }
 
+    #[tracing::instrument(level = "debug", skip_all)]
+    async fn get_node_performance_history(
+        &self,
+        node_id: NodeId,
+        page: Option<u32>,
+        per_page: Option<u32>,
+    ) -> Result<PerformanceHistoryResponse, NymAPIError> {
+        let mut params = Vec::new();
+
+        if let Some(page) = page {
+            params.push(("page", page.to_string()))
+        }
+
+        if let Some(per_page) = per_page {
+            params.push(("per_page", per_page.to_string()))
+        }
+
+        self.get_json(
+            &[
+                routes::API_VERSION,
+                routes::NYM_NODES_ROUTES,
+                routes::NYM_NODES_PERFORMANCE_HISTORY,
+                &*node_id.to_string(),
+            ],
+            &params,
+        )
+        .await
+    }
+
     #[tracing::instrument(level = "debug", skip_all)]
     async fn get_nodes_described(
         &self,
@@ -179,8 +226,15 @@ pub trait NymApiClientExt: ApiClient {
             params.push(("per_page", per_page.to_string()))
         }
 
-        self.get_json(&[routes::API_VERSION, "nym-nodes", "described"], &params)
-            .await
+        self.get_json(
+            &[
+                routes::API_VERSION,
+                routes::NYM_NODES_ROUTES,
+                routes::NYM_NODES_DESCRIBED,
+            ],
+            &params,
+        )
+        .await
     }
 
     #[tracing::instrument(level = "debug", skip_all)]
@@ -199,8 +253,15 @@ pub trait NymApiClientExt: ApiClient {
             params.push(("per_page", per_page.to_string()))
         }
 
-        self.get_json(&[routes::API_VERSION, "nym-nodes", "bonded"], &params)
-            .await
+        self.get_json(
+            &[
+                routes::API_VERSION,
+                routes::NYM_NODES_ROUTES,
+                routes::NYM_NODES_BONDED,
+            ],
+            &params,
+        )
+        .await
     }
 
     #[deprecated]
@@ -210,7 +271,7 @@ pub trait NymApiClientExt: ApiClient {
             &[
                 routes::API_VERSION,
                 "unstable",
-                "nym-nodes",
+                routes::NYM_NODES_ROUTES,
                 "mixnodes",
                 "skimmed",
             ],
@@ -226,7 +287,7 @@ pub trait NymApiClientExt: ApiClient {
             &[
                 routes::API_VERSION,
                 "unstable",
-                "nym-nodes",
+                routes::NYM_NODES_ROUTES,
                 "gateways",
                 "skimmed",
             ],
@@ -238,7 +299,11 @@ pub trait NymApiClientExt: ApiClient {
     #[instrument(level = "debug", skip(self))]
     async fn get_rewarded_set(&self) -> Result<RewardedSetResponse, NymAPIError> {
         self.get_json(
-            &[routes::API_VERSION, "nym-nodes", "rewarded-set"],
+            &[
+                routes::API_VERSION,
+                routes::NYM_NODES_ROUTES,
+                routes::NYM_NODES_REWARDED_SET,
+            ],
             NO_PARAMS,
         )
         .await
@@ -271,7 +336,7 @@ pub trait NymApiClientExt: ApiClient {
             &[
                 routes::API_VERSION,
                 "unstable",
-                "nym-nodes",
+                routes::NYM_NODES_ROUTES,
                 "skimmed",
                 "entry-gateways",
                 "all",
@@ -308,7 +373,7 @@ pub trait NymApiClientExt: ApiClient {
             &[
                 routes::API_VERSION,
                 "unstable",
-                "nym-nodes",
+                routes::NYM_NODES_ROUTES,
                 "skimmed",
                 "mixnodes",
                 "active",
@@ -345,7 +410,7 @@ pub trait NymApiClientExt: ApiClient {
             &[
                 routes::API_VERSION,
                 "unstable",
-                "nym-nodes",
+                routes::NYM_NODES_ROUTES,
                 "skimmed",
                 "mixnodes",
                 "all",
@@ -377,7 +442,12 @@ pub trait NymApiClientExt: ApiClient {
         }
 
         self.get_json(
-            &[routes::API_VERSION, "unstable", "nym-nodes", "skimmed"],
+            &[
+                routes::API_VERSION,
+                "unstable",
+                routes::NYM_NODES_ROUTES,
+                "skimmed",
+            ],
             &params,
         )
         .await
@@ -686,8 +756,8 @@ pub trait NymApiClientExt: ApiClient {
         self.get_json(
             &[
                 routes::API_VERSION,
-                "nym-nodes",
-                "performance",
+                routes::NYM_NODES_ROUTES,
+                routes::NYM_NODES_PERFORMANCE,
                 &node_id.to_string(),
             ],
             NO_PARAMS,
@@ -702,8 +772,8 @@ pub trait NymApiClientExt: ApiClient {
         self.get_json(
             &[
                 routes::API_VERSION,
-                "nym-nodes",
-                "annotation",
+                routes::NYM_NODES_ROUTES,
+                routes::NYM_NODES_ANNOTATION,
                 &node_id.to_string(),
             ],
             NO_PARAMS,
@@ -797,20 +867,6 @@ pub trait NymApiClientExt: ApiClient {
         .await
     }
 
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn double_spending_filter_v1(&self) -> Result<SpentCredentialsResponse, NymAPIError> {
-        self.get_json(
-            &[
-                routes::API_VERSION,
-                routes::ECASH_ROUTES,
-                routes::DOUBLE_SPENDING_FILTER_V1,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
     #[instrument(level = "debug", skip(self))]
     async fn partial_expiration_date_signatures(
         &self,
@@ -927,7 +983,11 @@ pub trait NymApiClientExt: ApiClient {
         request: &NodeRefreshBody,
     ) -> Result<(), NymAPIError> {
         self.post_json(
-            &[routes::API_VERSION, "nym-nodes", "refresh-described"],
+            &[
+                routes::API_VERSION,
+                routes::NYM_NODES_ROUTES,
+                routes::NYM_NODES_REFRESH_DESCRIBED,
+            ],
             NO_PARAMS,
             request,
         )
@@ -971,6 +1031,41 @@ pub trait NymApiClientExt: ApiClient {
         )
         .await
     }
+
+    async fn nodes_by_addresses(
+        &self,
+        addresses: Vec<IpAddr>,
+    ) -> Result<NodesByAddressesResponse, NymAPIError> {
+        self.post_json(
+            &[
+                routes::API_VERSION,
+                "unstable",
+                routes::NYM_NODES_ROUTES,
+                routes::nym_nodes::BY_ADDRESSES,
+            ],
+            NO_PARAMS,
+            &NodesByAddressesRequestBody { addresses },
+        )
+        .await
+    }
+
+    #[instrument(level = "debug", skip(self))]
+    async fn get_network_details(&self) -> Result<NymNetworkDetailsResponse, NymAPIError> {
+        self.get_json(
+            &[routes::API_VERSION, routes::NETWORK, routes::DETAILS],
+            NO_PARAMS,
+        )
+        .await
+    }
+
+    #[instrument(level = "debug", skip(self))]
+    async fn get_chain_status(&self) -> Result<ChainStatusResponse, NymAPIError> {
+        self.get_json(
+            &[routes::API_VERSION, routes::NETWORK, routes::CHAIN_STATUS],
+            NO_PARAMS,
+        )
+        .await
+    }
 }
 
 #[cfg_attr(target_arch = "wasm32", async_trait(?Send))]

common/client-libs/validator-client/src/nym_api/routes.rs

@@ -13,8 +13,6 @@ pub const DETAILED: &str = "detailed";
 pub const DETAILED_UNFILTERED: &str = "detailed-unfiltered";
 pub const ACTIVE: &str = "active";
 pub const REWARDED: &str = "rewarded";
-pub const DOUBLE_SPENDING_FILTER_V1: &str = "double-spending-filter-v1";
-
 pub const ECASH_ROUTES: &str = "ecash";
 
 pub use ecash::*;
@@ -34,9 +32,25 @@ pub mod ecash {
     pub const EPOCH_ID_PARAM: &str = "epoch_id";
 }
 
+pub const NYM_NODES_ROUTES: &str = "nym-nodes";
+
+pub use nym_nodes::*;
+pub mod nym_nodes {
+    pub const NYM_NODES_PERFORMANCE_HISTORY: &str = "performance-history";
+    pub const NYM_NODES_PERFORMANCE: &str = "performance";
+    pub const NYM_NODES_ANNOTATION: &str = "annotation";
+    pub const NYM_NODES_DESCRIBED: &str = "described";
+    pub const NYM_NODES_BONDED: &str = "bonded";
+    pub const NYM_NODES_REWARDED_SET: &str = "rewarded-set";
+    pub const NYM_NODES_REFRESH_DESCRIBED: &str = "refresh-described";
+    pub const BY_ADDRESSES: &str = "by-addresses";
+}
+
 pub const STATUS_ROUTES: &str = "status";
 pub const API_STATUS_ROUTES: &str = "api-status";
 pub const HEALTH: &str = "health";
+pub const BUILD_INFORMATION: &str = "build-information";
+
 pub const MIXNODE: &str = "mixnode";
 pub const GATEWAY: &str = "gateway";
 pub const NYM_NODES: &str = "nym-nodes";
@@ -54,6 +68,9 @@ pub const STAKE_SATURATION: &str = "stake-saturation";
 pub const INCLUSION_CHANCE: &str = "inclusion-probability";
 pub const SUBMIT_GATEWAY: &str = "submit-gateway-monitoring-results";
 pub const SUBMIT_NODE: &str = "submit-node-monitoring-results";
-pub const PERFORMANCE: &str = "performance";
 
 pub const SERVICE_PROVIDERS: &str = "services";
+
+pub const DETAILS: &str = "details";
+pub const CHAIN_STATUS: &str = "chain-status";
+pub const NETWORK: &str = "network";

common/client-libs/validator-client/src/nyxd/cosmwasm_client/client_traits/query_client.rs

@@ -153,13 +153,20 @@ pub trait CosmWasmClient: TendermintRpcClient {
             let req = QueryAllBalancesRequest {
                 address: address.to_string(),
                 pagination,
+                resolve_denom: false,
             };
 
             let mut res = self
                 .make_abci_query::<_, QueryAllBalancesResponse>(path.clone(), req)
                 .await?;
 
+            let early_break = res.balances.is_empty();
             raw_balances.append(&mut res.balances);
+
+            if early_break {
+                break;
+            }
+
             if let Some(next_key) = next_page_key(res.pagination) {
                 pagination = Some(create_pagination(next_key))
             } else {
@@ -187,7 +194,13 @@ pub trait CosmWasmClient: TendermintRpcClient {
                 .make_abci_query::<_, QueryTotalSupplyResponse>(path.clone(), req)
                 .await?;
 
+            let early_break = res.supply.is_empty();
             supply.append(&mut res.supply);
+
+            if early_break {
+                break;
+            }
+
             if let Some(next_key) = next_page_key(res.pagination) {
                 pagination = Some(create_pagination(next_key))
             } else {
@@ -328,7 +341,13 @@ pub trait CosmWasmClient: TendermintRpcClient {
                 .make_abci_query::<_, QueryCodesResponse>(path.clone(), req)
                 .await?;
 
+            let early_break = res.code_infos.is_empty();
             raw_codes.append(&mut res.code_infos);
+
+            if early_break {
+                break;
+            }
+
             if let Some(next_key) = next_page_key(res.pagination) {
                 pagination = Some(create_pagination(next_key))
             } else {
@@ -373,7 +392,13 @@ pub trait CosmWasmClient: TendermintRpcClient {
                 .make_abci_query::<_, QueryContractsByCodeResponse>(path.clone(), req)
                 .await?;
 
+            let early_break = res.contracts.is_empty();
             raw_contracts.append(&mut res.contracts);
+
+            if early_break {
+                break;
+            }
+
             if let Some(next_key) = next_page_key(res.pagination) {
                 pagination = Some(create_pagination(next_key))
             } else {
@@ -429,7 +454,13 @@ pub trait CosmWasmClient: TendermintRpcClient {
                 .make_abci_query::<_, QueryContractHistoryResponse>(path.clone(), req)
                 .await?;
 
+            let early_break = res.entries.is_empty();
             raw_entries.append(&mut res.entries);
+
+            if early_break {
+                break;
+            }
+
             if let Some(next_key) = next_page_key(res.pagination) {
                 pagination = Some(create_pagination(next_key))
             } else {

common/client-libs/validator-client/src/nyxd/mod.rs

@@ -28,7 +28,6 @@ use nym_network_defaults::{ChainDetails, NymNetworkDetails};
 use serde::{de::DeserializeOwned, Serialize};
 use std::fmt::Debug;
 use std::time::SystemTime;
-use tendermint_rpc::endpoint::block::Response as BlockResponse;
 use tendermint_rpc::endpoint::*;
 use tendermint_rpc::{Error as TendermintRpcError, Order};
 use url::Url;
@@ -63,6 +62,8 @@ pub use cw3;
 pub use cw4;
 pub use cw_controllers;
 pub use fee::{gas_price::GasPrice, GasAdjustable, GasAdjustment};
+pub use prost::Name;
+pub use tendermint_rpc::endpoint::block::Response as BlockResponse;
 pub use tendermint_rpc::{
     endpoint::{tx::Response as TxResponse, validators::Response as ValidatorResponse},
     query::Query,

common/client-libs/validator-client/src/rpc/reqwest.rs

@@ -4,9 +4,11 @@
 use crate::rpc::TendermintRpcClient;
 use async_trait::async_trait;
 use base64::Engine;
+use cosmrs::tendermint;
 use cosmrs::tendermint::{block::Height, evidence::Evidence, Hash};
 use reqwest::header::HeaderMap;
 use reqwest::{header, RequestBuilder};
+use tendermint_rpc::dialect::{v0_34, v0_37, v0_38, LatestDialect};
 use tendermint_rpc::{
     client::CompatMode,
     dialect::{self, Dialect},
@@ -21,8 +23,21 @@ macro_rules! perform_with_compat {
     ($self:expr, $request:expr) => {{
         let request = $request;
         match $self.compat {
-            CompatMode::V0_37 => $self.perform_v0_37(request).await,
-            CompatMode::V0_34 => $self.perform_v0_34(request).await,
+            CompatMode::V0_38 => {
+                $self
+                    .perform_request_with_dialect(request, dialect::v0_38::Dialect)
+                    .await
+            }
+            CompatMode::V0_37 => {
+                $self
+                    .perform_request_with_dialect(request, dialect::v0_37::Dialect)
+                    .await
+            }
+            CompatMode::V0_34 => {
+                $self
+                    .perform_request_with_dialect(request, dialect::v0_34::Dialect)
+                    .await
+            }
         }
     }};
 }
@@ -70,7 +85,11 @@ impl ReqwestRpcClient {
             .headers(headers)
     }
 
-    async fn perform_request<R, S>(&self, request: R) -> Result<R::Output, Error>
+    async fn perform_request_with_dialect<R, S>(
+        &self,
+        request: R,
+        _dialect: S,
+    ) -> Result<R::Output, Error>
     where
         R: SimpleRequest<S>,
         S: Dialect,
@@ -81,26 +100,25 @@ impl ReqwestRpcClient {
             .send()
             .await
             .map_err(TendermintRpcErrorMap::into_rpc_err)?;
+        let response_status = response.status();
         let bytes = response
             .bytes()
             .await
             .map_err(TendermintRpcErrorMap::into_rpc_err)?;
+
+        // Successful JSON-RPC requests are expected to return a 200 OK HTTP status.
+        // Otherwise, this means that the HTTP request failed as a whole,
+        // as opposed to the JSON-RPC request returning an error,
+        // and we cannot expect the response body to be a valid JSON-RPC response.
+        if response_status != reqwest::StatusCode::OK {
+            // hehe, that's so nasty but we have to somehow convert between different versions of the same lib
+            return Err(Error::http_request_failed(
+                response_status.as_u16().try_into().unwrap(),
+            ));
+        }
+
         R::Response::from_string(bytes).map(Into::into)
     }
-
-    async fn perform_v0_34<R>(&self, request: R) -> Result<R::Output, Error>
-    where
-        R: SimpleRequest<dialect::v0_34::Dialect>,
-    {
-        self.perform_request(request).await
-    }
-
-    async fn perform_v0_37<R>(&self, request: R) -> Result<R::Output, Error>
-    where
-        R: SimpleRequest<dialect::v0_37::Dialect>,
-    {
-        self.perform_request(request).await
-    }
 }
 
 trait TendermintRpcErrorMap {
@@ -120,18 +138,50 @@ impl TendermintRpcClient for ReqwestRpcClient {
     where
         R: SimpleRequest,
     {
-        self.perform_request(request).await
+        self.perform_request_with_dialect(request, LatestDialect)
+            .await
     }
 
-    async fn block_results<H>(&self, height: H) -> Result<block_results::Response, Error>
+    async fn block<H>(&self, height: H) -> Result<endpoint::block::Response, Error>
     where
         H: Into<Height> + Send,
     {
-        perform_with_compat!(self, block_results::Request::new(height.into()))
+        perform_with_compat!(self, endpoint::block::Request::new(height.into()))
     }
 
-    async fn latest_block_results(&self) -> Result<block_results::Response, Error> {
-        perform_with_compat!(self, block_results::Request::default())
+    async fn block_by_hash(
+        &self,
+        hash: tendermint::Hash,
+    ) -> Result<endpoint::block_by_hash::Response, Error> {
+        perform_with_compat!(self, endpoint::block_by_hash::Request::new(hash))
+    }
+
+    async fn latest_block(&self) -> Result<endpoint::block::Response, Error> {
+        perform_with_compat!(self, endpoint::block::Request::default())
+    }
+
+    async fn block_results<H>(&self, height: H) -> Result<endpoint::block_results::Response, Error>
+    where
+        H: Into<Height> + Send,
+    {
+        perform_with_compat!(self, endpoint::block_results::Request::new(height.into()))
+    }
+
+    async fn latest_block_results(&self) -> Result<endpoint::block_results::Response, Error> {
+        perform_with_compat!(self, endpoint::block_results::Request::default())
+    }
+
+    async fn block_search(
+        &self,
+        query: Query,
+        page: u32,
+        per_page: u8,
+        order: Order,
+    ) -> Result<endpoint::block_search::Response, Error> {
+        perform_with_compat!(
+            self,
+            endpoint::block_search::Request::new(query, page, per_page, order)
+        )
     }
 
     async fn header<H>(&self, height: H) -> Result<endpoint::header::Response, Error>
@@ -140,11 +190,26 @@ impl TendermintRpcClient for ReqwestRpcClient {
     {
         let height = height.into();
         match self.compat {
-            CompatMode::V0_37 => self.perform(endpoint::header::Request::new(height)).await,
+            CompatMode::V0_38 => {
+                self.perform_request_with_dialect(
+                    endpoint::header::Request::new(height),
+                    v0_38::Dialect,
+                )
+                .await
+            }
+            CompatMode::V0_37 => {
+                self.perform_request_with_dialect(
+                    endpoint::header::Request::new(height),
+                    v0_37::Dialect,
+                )
+                .await
+            }
             CompatMode::V0_34 => {
                 // Back-fill with a request to /block endpoint and
                 // taking just the header from the response.
-                let resp = self.perform_v0_34(block::Request::new(height)).await?;
+                let resp = self
+                    .perform_request_with_dialect(block::Request::new(height), v0_34::Dialect)
+                    .await?;
                 Ok(resp.into())
             }
         }
@@ -152,12 +217,25 @@ impl TendermintRpcClient for ReqwestRpcClient {
 
     async fn header_by_hash(&self, hash: Hash) -> Result<header_by_hash::Response, Error> {
         match self.compat {
-            CompatMode::V0_37 => self.perform(header_by_hash::Request::new(hash)).await,
+            CompatMode::V0_38 => {
+                self.perform_request_with_dialect(
+                    header_by_hash::Request::new(hash),
+                    v0_38::Dialect,
+                )
+                .await
+            }
+            CompatMode::V0_37 => {
+                self.perform_request_with_dialect(
+                    header_by_hash::Request::new(hash),
+                    v0_37::Dialect,
+                )
+                .await
+            }
             CompatMode::V0_34 => {
                 // Back-fill with a request to /block_by_hash endpoint and
                 // taking just the header from the response.
                 let resp = self
-                    .perform_v0_34(block_by_hash::Request::new(hash))
+                    .perform_request_with_dialect(block_by_hash::Request::new(hash), v0_34::Dialect)
                     .await?;
                 Ok(resp.into())
             }
@@ -167,8 +245,18 @@ impl TendermintRpcClient for ReqwestRpcClient {
     /// `/broadcast_evidence`: broadcast an evidence.
     async fn broadcast_evidence(&self, e: Evidence) -> Result<evidence::Response, Error> {
         match self.compat {
-            CompatMode::V0_37 => self.perform(evidence::Request::new(e)).await,
-            CompatMode::V0_34 => self.perform_v0_34(evidence::Request::new(e)).await,
+            CompatMode::V0_38 => {
+                self.perform_request_with_dialect(evidence::Request::new(e), v0_38::Dialect)
+                    .await
+            }
+            CompatMode::V0_37 => {
+                self.perform_request_with_dialect(evidence::Request::new(e), v0_37::Dialect)
+                    .await
+            }
+            CompatMode::V0_34 => {
+                self.perform_request_with_dialect(evidence::Request::new(e), v0_34::Dialect)
+                    .await
+            }
         }
     }
 

common/config/src/helpers.rs

@@ -25,15 +25,6 @@ pub fn in6addr_any_init() -> IpAddr {
     IpAddr::V6(Ipv6Addr::UNSPECIFIED)
 }
 
-/// Helper for providing binding warnings if node tries to bind to any of those
-pub const SPECIAL_ADDRESSES: &[IpAddr] = &[
-    IpAddr::V4(Ipv4Addr::LOCALHOST),
-    IpAddr::V4(Ipv4Addr::UNSPECIFIED),
-    IpAddr::V4(Ipv4Addr::BROADCAST),
-    IpAddr::V6(Ipv6Addr::LOCALHOST),
-    IpAddr::V6(Ipv6Addr::UNSPECIFIED),
-];
-
 // TODO: is it really part of 'Config'?
 pub trait OptionalSet {
     /// If the value is available (i.e. `Some`), the provided closure is applied.

common/cosmwasm-smart-contracts/mixnet-contract/src/msg.rs

@@ -863,11 +863,4 @@ pub enum QueryMsg {
 pub struct MigrateMsg {
     pub unsafe_skip_state_updates: Option<bool>,
     pub vesting_contract_address: Option<String>,
-    pub current_nym_node_semver: String,
-
-    #[serde(default)]
-    pub version_score_weights: OutdatedVersionWeights,
-
-    #[serde(default)]
-    pub version_score_params: VersionScoreFormulaParams,
 }

common/cosmwasm-smart-contracts/mixnet-contract/src/nym_node.rs

@@ -113,6 +113,10 @@ impl Role {
     pub fn is_standby(&self) -> bool {
         matches!(self, Role::Standby)
     }
+
+    pub fn is_mixnode(&self) -> bool {
+        matches!(self, Role::Layer1 | Role::Layer2 | Role::Layer3)
+    }
 }
 
 impl Display for Role {

common/cosmwasm-smart-contracts/vesting-contract/src/error.rs

@@ -8,81 +8,81 @@ use thiserror::Error;
 
 #[derive(Error, Debug, PartialEq)]
 pub enum VestingContractError {
-    #[error("VESTING ({}): {0}", line!())]
+    #[error("VESTING ({l}): {0}", l = line!())]
     Std(#[from] StdError),
 
     #[error("VESTING: {0}")]
     OverflowError(#[from] OverflowError),
 
-    #[error("VESTING ({}): Account does not exist - {0}", line!())]
+    #[error("VESTING ({l}): Account does not exist - {0}", l = line!())]
     NoAccountForAddress(String),
 
-    #[error("VESTING ({}): Only admin can perform this action, {0} is not admin", line!())]
+    #[error("VESTING ({l}): Only admin can perform this action, {0} is not admin", l = line!())]
     NotAdmin(String),
 
-    #[error("VESTING ({}): Balance not found for existing account ({0}), this is a bug", line!())]
+    #[error("VESTING ({l}): Balance not found for existing account ({0}), this is a bug", l = line!())]
     NoBalanceForAddress(String),
 
-    #[error("VESTING ({}): Insufficient balance for address {0} -> {1}", line!())]
+    #[error("VESTING ({l}): Insufficient balance for address {0} -> {1}", l = line!())]
     InsufficientBalance(String, u128),
 
-    #[error("VESTING ({}): Insufficient spendable balance for address {0} -> {1}", line!())]
+    #[error("VESTING ({l}): Insufficient spendable balance for address {0} -> {1}", l = line!())]
     InsufficientSpendable(String, u128),
 
     #[error(
-    "VESTING ({}):Only delegation owner can perform delegation actions, {0} is not the delegation owner"
-    , line!())]
+    "VESTING ({l}):Only delegation owner can perform delegation actions, {0} is not the delegation owner"
+    , l = line!())]
     NotDelegate(String),
 
-    #[error("VESTING ({}): Total vesting amount is inprobably low -> {0}, this is likely an error", line!())]
+    #[error("VESTING ({l}): Total vesting amount is inprobably low -> {0}, this is likely an error", l = line!())]
     ImprobableVestingAmount(u128),
 
-    #[error("VESTING ({}): Address {0} has already bonded a node", line!())]
+    #[error("VESTING ({l}): Address {0} has already bonded a node", l = line!())]
     AlreadyBonded(String),
 
-    #[error("VESTING ({}): Received empty funds vector", line!())]
+    #[error("VESTING ({l}): Received empty funds vector", l = line!())]
     EmptyFunds,
 
-    #[error("VESTING ({}): Received wrong denom: {0}, expected {1}", line!())]
+    #[error("VESTING ({l}): Received wrong denom: {0}, expected {1}", l = line!())]
     WrongDenom(String, String),
 
-    #[error("VESTING ({}): Received multiple denoms, expected 1", line!())]
+    #[error("VESTING ({l}): Received multiple denoms, expected 1", l = line!())]
     MultipleDenoms,
 
-    #[error("VESTING ({}): No delegations found for account {0}, mix_identity {1}", line!())]
+    #[error("VESTING ({l}): No delegations found for account {0}, mix_identity {1}", l = line!())]
     NoSuchDelegation(Addr, NodeId),
 
-    #[error("VESTING ({}): Only mixnet contract can perform this operation, got {0}", line!())]
+    #[error("VESTING ({l}): Only mixnet contract can perform this operation, got {0}", l = line!())]
     NotMixnetContract(Addr),
 
-    #[error("VESTING ({}): Calculation underflowed", line!())]
+    #[error("VESTING ({l}): Calculation underflowed", l = line!())]
     Underflow,
 
-    #[error("VESTING ({}): No bond found for account {0}", line!())]
+    #[error("VESTING ({l}): No bond found for account {0}", l = line!())]
     NoBondFound(String),
 
     #[error("VESTING: Attempted to reduce mixnode bond pledge below zero! The current pledge is {current} and we attempted to reduce it by {decrease_by}.")]
     InvalidBondPledgeReduction { current: Coin, decrease_by: Coin },
 
-    #[error("VESTING ({}): Action can only be executed by account owner -> {0}", line!())]
+    #[error("VESTING ({l}): Action can only be executed by account owner -> {0}", l = line!())]
     NotOwner(String),
 
-    #[error("VESTING ({}): Invalid address: {0}", line!())]
+    #[error("VESTING ({l}): Invalid address: {0}", l = line!())]
     InvalidAddress(String),
 
-    #[error("VESTING ({}): Account already exists: {0}", line!())]
+    #[error("VESTING ({l}): Account already exists: {0}", l = line!())]
     AccountAlreadyExists(String),
 
-    #[error("VESTING ({}): Staking account already exists: {0}", line!())]
+    #[error("VESTING ({l}): Staking account already exists: {0}", l = line!())]
     StakingAccountAlreadyExists(String),
 
-    #[error("VESTING ({}): Too few coins sent for vesting account creation, sent {sent}, need at least {need}", line!())]
+    #[error("VESTING ({l}): Too few coins sent for vesting account creation, sent {sent}, need at least {need}", l = line!())]
     MinVestingFunds { sent: u128, need: u128 },
 
-    #[error("VESTING ({}): Maximum amount of locked coins has already been pledged: {current}, cap is {cap}", line!())]
+    #[error("VESTING ({l}): Maximum amount of locked coins has already been pledged: {current}, cap is {cap}", l = line!())]
     LockedPledgeCapReached { current: Uint128, cap: Uint128 },
 
-    #[error("VESTING: ({}: Account owned by {owner} has unpopulated vesting periods!", line!())]
+    #[error("VESTING: ({l}: Account owned by {owner} has unpopulated vesting periods!", l = line!())]
     UnpopulatedVestingPeriods { owner: Addr },
 
     #[error("VESTING: Vesting account associated with {0} already exists, only addresses with not existing vesting accounts can be added as staking addresses")]

common/credential-verification/Cargo.toml

@@ -26,7 +26,6 @@ nym-api-requests = { path = "../../nym-api/nym-api-requests" }
 nym-credentials = { path = "../credentials" }
 nym-credentials-interface = { path = "../credentials-interface" }
 nym-ecash-contract-common = { path = "../cosmwasm-smart-contracts/ecash-contract" }
-nym-ecash-double-spending = { path = "../ecash-double-spending" }
 nym-gateway-requests = { path = "../gateway-requests" }
 nym-gateway-storage = { path = "../gateway-storage" }
 nym-task = { path = "../task" }

common/credential-verification/src/ecash/credential_sender.rs

@@ -13,6 +13,7 @@ use nym_api_requests::constants::MIN_BATCH_REDEMPTION_DELAY;
 use nym_api_requests::ecash::models::{BatchRedeemTicketsBody, VerifyEcashTicketBody};
 use nym_credentials_interface::Bandwidth;
 use nym_credentials_interface::{ClientTicket, TicketType};
+use nym_validator_client::coconut::EcashApiError;
 use nym_validator_client::nym_api::EpochId;
 use nym_validator_client::nyxd::contract_traits::{
     EcashSigningClient, MultisigQueryClient, MultisigSigningClient, PagedMultisigQueryClient,
@@ -352,7 +353,9 @@ impl CredentialHandler {
             }
             Err(err) => {
                 error!("failed to send ticket {ticket_id} for verification to ecash signer '{client}': {err}. if we don't reach quorum, we'll retry later");
-                Ok(false)
+                Err(EcashTicketError::ApiFailure(EcashApiError::NymApi {
+                    source: err,
+                }))
             }
         }
     }