thought process

- remove the storybook code as it's another thing to maintain - remove the ci job for it - will implement some other tests around it
StatsAPI qol : disable swagger try it out and remove debug level from nym_http_api_client (#5868 )
2025-06-24 16:44:41 +02:00 · 2025-06-23 14:58:29 +02:00 · 2025-06-23 11:53:39 +03:00 · 2025-06-20 09:06:56 +01:00 · 2025-06-18 15:34:40 +02:00 · 2025-06-18 10:48:37 +02:00
1167 changed files with 40463 additions and 116711 deletions
@@ -14,7 +14,6 @@
 # contracts
 /contracts/mixnet @durch @jstuczyn
 /contracts/vesting @durch @jstuczyn
-/contracts/service-provider-directory @octol

 # crypto code
 /common/crypto/ @jstuczyn
@@ -22,14 +21,5 @@
 /common/dkg/ @jstuczyn
 /common/nymsphinx/ @jstuczyn

-# rust sdk
-/sdk/rust/ @octol
-
-# nym-connect (rust)
-/nym-connect/desktop/src-tauri/ @octol
-
-# nym-wallet (rust)
-/nym-wallet/src-tauri/ @octol
-
 # documentation
-/documentation @mfahampshire
+/documentation @mfahampshire
@@ -415,9 +415,9 @@
      }
    },
    "node_modules/undici": {
-      "version": "5.28.5",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-5.28.5.tgz",
-      "integrity": "sha512-zICwjrDrcrUE0pyyJc1I2QzBkLM8FINsgOrt6WjA+BgajVq9Nxu2PbFFXUrAggLfDXlZGZBVZYw7WNV5KiBiBA==",
+      "version": "5.29.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.29.0.tgz",
+      "integrity": "sha512-raqeBD6NQK4SkWhQzeYKd1KmIG6dllBOTt55Rmkt4HtI9mwdWtJljnrXjAFUBLTSN67HWrOIZ3EPF4kjUw80Bg==",
      "license": "MIT",
      "dependencies": {
        "@fastify/busboy": "^2.0.0"
@@ -5,7 +5,6 @@ on:
    paths:
      - 'clients/**'
      - 'common/**'
-      - 'explorer-api/**'
      - 'gateway/**'
      - 'integrations/**'
      - 'nym-api/**'
@@ -13,6 +12,7 @@ on:
      - 'nym-network-monitor/**'
      - 'nym-node/**'
      - 'nym-node-status-api/**'
+      - 'nym-statistics-api/**'
      - 'nym-outfox/**'
      - 'nym-validator-rewarder/**'
      - 'nyx-chain-watcher/**'
@@ -38,7 +38,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        os: [ arc-ubuntu-22.04, custom-windows-11, custom-runner-mac-m1 ]
+        os: [ arc-ubuntu-22.04, custom-windows-11, custom-macos-15 ]
    runs-on: ${{ matrix.os }}
    env:
      CARGO_TERM_COLOR: always
@@ -44,8 +44,10 @@ jobs:
            echo "Tag is empty"
            exit 1
          fi
+          # first, list all tags for logging purposes
          curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq
-          exists=$(curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq --arg tag $TAG '.tags | contains([$tag])' )
+          # check if there's a matching tag
+          exists=$(curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq -r --arg tag "$TAG" 'any(.tags[]; . == $tag)' )
          if [[ $exists = "true" ]]; then
            echo "Version '$TAG' defined in Cargo.toml ALREADY EXISTS as tag in harbor repo"
            exit 1
@@ -53,5 +55,5 @@ jobs:
            echo "Version '$TAG' doesn't exist on the remote"
          else
            echo "Unknown output '$exists'"
-            exit 1
+            exit 2
          fi
@@ -0,0 +1,59 @@
+name: ci-check-nym-stats-api-version
+
+on:
+  pull_request:
+    paths:
+      - "nym-statistics-api/**"
+
+env:
+  WORKING_DIRECTORY: "nym-statistics-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@v4.45.4
+        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/nym-statistics-api
+          if [[ -z $TAG ]]; then
+            echo "Tag is empty"
+            exit 1
+          fi
+          # first, list all tags for logging purposes
+          curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq
+          # check if there's a matching tag
+          exists=$(curl -su ${{ secrets.HARBOR_ROBOT_USERNAME }}:${{ secrets.HARBOR_ROBOT_SECRET }} "$registry/v2/$repo_name/tags/list" | jq -r --arg tag "$TAG" 'any(.tags[]; . == $tag)' )
+          if [[ $exists = "true" ]]; then
+            echo "Version '$TAG' defined in Cargo.toml ALREADY EXISTS as tag in harbor repo"
+            exit 1
+          elif [[ $exists = "false" ]]; then
+            echo "Version '$TAG' doesn't exist on the remote"
+          else
+            echo "Unknown output '$exists'"
+            exit 2
+          fi
@@ -56,6 +56,8 @@ jobs:
          cp contracts/target/wasm32-unknown-unknown/release/cw3_flex_multisig.wasm $OUTPUT_DIR
          cp contracts/target/wasm32-unknown-unknown/release/cw4_group.wasm $OUTPUT_DIR
          cp contracts/target/wasm32-unknown-unknown/release/nym_ecash.wasm $OUTPUT_DIR
+          cp contracts/target/wasm32-unknown-unknown/release/nym_pool_contract.wasm $OUTPUT_DIR
+          cp contracts/target/wasm32-unknown-unknown/release/nym_performance_contract.wasm $OUTPUT_DIR

      - name: Deploy branch to CI www
        continue-on-error: true
@@ -20,6 +20,7 @@ jobs:
    runs-on: ubuntu-22.04
    env:
      CARGO_TERM_COLOR: always
+      RUSTUP_PERMIT_COPY_RENAME: 1
    steps:
      - uses: actions/checkout@v4

@@ -1,75 +0,0 @@
-name: ci-nym-wallet-storybook
-
-on:
-  pull_request:
-    paths:
-      - 'nym-wallet/**'
-      - '.github/workflows/ci-nym-wallet-storybook.yml'
-
-jobs:
-  build:
-    runs-on: custom-linux
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Install rsync
-        run: sudo apt-get install rsync
-        continue-on-error: true
-
-      - uses: rlespinasse/github-slug-action@v3.x
-
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-
-      - name: Setup yarn
-        run: npm install -g yarn
-
-      - name: Install Rust stable
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-
-      - name: Install wasm-pack
-        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
-
-      - name: Build dependencies
-        run: yarn && yarn build
-
-      - name: Build storybook
-        run: yarn storybook:build
-        working-directory: ./nym-wallet
-
-      - name: Deploy branch to CI www (storybook)
-        continue-on-error: true
-        uses: easingthemes/ssh-deploy@main
-        env:
-          SSH_PRIVATE_KEY: ${{ secrets.CI_WWW_SSH_PRIVATE_KEY }}
-          ARGS: "-rltgoDzvO --delete"
-          SOURCE: "nym-wallet/storybook-static/"
-          REMOTE_HOST: ${{ secrets.CI_WWW_REMOTE_HOST }}
-          REMOTE_USER: ${{ secrets.CI_WWW_REMOTE_USER }}
-          TARGET: ${{ secrets.CI_WWW_REMOTE_TARGET }}/wallet-${{ env.GITHUB_REF_SLUG }}
-          EXCLUDE: "/dist/, /node_modules/"
-
-      - name: Matrix - Node Install
-        run: npm install
-        working-directory: .github/workflows/support-files
-
-      - name: Matrix - Send Notification
-        env:
-          NYM_NOTIFICATION_KIND: nym-wallet
-          NYM_PROJECT_NAME: "nym-wallet"
-          NYM_CI_WWW_BASE: "${{ secrets.NYM_CI_WWW_BASE }}"
-          NYM_CI_WWW_LOCATION: "wallet-${{ env.GITHUB_REF_SLUG }}"
-          GIT_COMMIT_MESSAGE: "${{ github.event.head_commit.message }}"
-          GIT_BRANCH: "${GITHUB_REF##*/}"
-          IS_SUCCESS: "${{ job.status == 'success' }}"
-          MATRIX_SERVER: "${{ secrets.MATRIX_SERVER }}"
-          MATRIX_ROOM: "${{ secrets.MATRIX_ROOM }}"
-          MATRIX_USER_ID: "${{ secrets.MATRIX_USER_ID }}"
-          MATRIX_TOKEN: "${{ secrets.MATRIX_TOKEN }}"
-          MATRIX_DEVICE_ID: "${{ secrets.MATRIX_DEVICE_ID }}"
-        uses: docker://keybaseio/client:stable-node
-        with:
-          args: .github/workflows/support-files/notifications/entry_point.sh
@@ -19,7 +19,11 @@ jobs:
    if: ${{ (startsWith(github.ref, 'refs/tags/nym-binaries-') && github.event_name == 'release') || github.event_name == 'workflow_dispatch' }}
    strategy:
      fail-fast: false
-    runs-on: arc-ubuntu-22.04
+      matrix:
+        include:
+          - os: arc-ubuntu-22.04
+            target: x86_64-unknown-linux-gnu
+    runs-on:  ${{ matrix.os }}

    outputs:
      release_id: ${{ steps.create-release.outputs.id }}
@@ -66,7 +70,6 @@ jobs:
        with:
          name: my-artifact
          path: |
-            target/release/explorer-api
            target/release/nym-client
            target/release/nym-socks5-client
            target/release/nym-api
@@ -75,14 +78,13 @@ jobs:
            target/release/nymvisor
            target/release/nym-node
          retention-days: 30
-
+    
      - id: create-release
        name: Upload to release based on tag name
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@da05d552573ad5aba039eaac05058a918a7bf631
        if: github.event_name == 'release'
        with:
          files: |
-            target/release/explorer-api
            target/release/nym-client
            target/release/nym-socks5-client
            target/release/nym-api
@@ -0,0 +1,51 @@
+name: Build and upload Nym APU container to harbor.nymte.ch
+on:
+  workflow_dispatch:
+
+env:
+  WORKING_DIRECTORY: "."
+  CONTAINER_NAME: "nym-api"
+
+jobs:
+  build-container:
+    runs-on: arc-ubuntu-22.04-dind
+    steps:
+      - name: Login to Harbor
+        uses: docker/login-action@v3
+        with:
+          registry: harbor.nymte.ch
+          username: ${{ secrets.HARBOR_ROBOT_USERNAME }}
+          password: ${{ secrets.HARBOR_ROBOT_SECRET }}
+
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Configure git identity
+        run: |
+          git config --global user.email "lawrence@nymtech.net"
+          git config --global user.name "Lawrence Stalder"
+
+      - name: Get version from cargo.toml
+        uses: mikefarah/yq@v4.45.4
+        id: get_version
+        with:
+          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-api/Cargo.toml
+
+      - name: Remove existing tag if exists
+        run: |
+          echo "Checking if tag ${{ env.CONTAINER_NAME }}-${{ steps.get_version.outputs.result }} exists..."
+          if git rev-parse ${{ env.CONTAINER_NAME }}-${{ steps.get_version.outputs.result }} >/dev/null 2>&1; then
+            echo "Tag ${{ env.CONTAINER_NAME }}-${{ steps.get_version.outputs.result }} already exists"
+            git push --delete origin ${{ env.CONTAINER_NAME }}-${{ steps.get_version.outputs.result }}
+            git tag -d ${{ env.CONTAINER_NAME }}-${{ steps.get_version.outputs.result }}
+          fi
+
+      - name: Create tag
+        run: |
+          git tag -a ${{ env.CONTAINER_NAME }}-${{ steps.get_version.outputs.result }} -m "Version ${{ steps.get_version.outputs.result }}"
+          git push origin ${{ env.CONTAINER_NAME }}-${{ steps.get_version.outputs.result }}
+          
+      - name: BuildAndPushImageOnHarbor
+        run: |
+          docker build -f nym-api.dockerfile ${{ env.WORKING_DIRECTORY }} -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:${{ steps.get_version.outputs.result }} -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:latest
+          docker push harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }} --all-tags
@@ -0,0 +1,42 @@
+name: Build and upload Nym Statistics API container to harbor.nymte.ch
+on:
+  workflow_dispatch:
+
+env:
+  WORKING_DIRECTORY: "nym-statistics-api"
+  CONTAINER_NAME: "nym-statistics-api"
+
+jobs:
+  build-container:
+    runs-on: arc-ubuntu-22.04-dind
+    steps:
+      - name: Login to Harbor
+        uses: docker/login-action@v3
+        with:
+          registry: harbor.nymte.ch
+          username: ${{ secrets.HARBOR_ROBOT_USERNAME }}
+          password: ${{ secrets.HARBOR_ROBOT_SECRET }}
+
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Configure git identity
+        run: |
+          git config --global user.email "lawrence@nymtech.net"
+          git config --global user.name "Lawrence Stalder"
+
+      - name: Get version from cargo.toml
+        uses: mikefarah/yq@v4.45.4
+        id: get_version
+        with:
+          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
+
+      - name: Create tag
+        run: |
+          git tag -a ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }} -m "Version ${{ steps.get_version.outputs.result }}"
+          git push origin ${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}
+
+      - name: BuildAndPushImageOnHarbor
+        run: |
+          docker build -f ${{ env.WORKING_DIRECTORY }}/Dockerfile . -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:${{ steps.get_version.outputs.result }} -t harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }}:latest
+          docker push harbor.nymte.ch/nym/${{ env.CONTAINER_NAME }} --all-tags
@@ -5,8 +5,6 @@
 >
 > ➡️➡️➡️➡️➡️ **View output:**
 >
-> `storybook`: https://{{ env.NYM_CI_WWW_LOCATION }}.{{ env.NYM_CI_WWW_BASE }}
->
 > `branch` {{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}/tree/{{ env.GIT_BRANCH_NAME }}
 >
 > `commit` {{ env.GITHUB_SERVER_URL }}/{{ env.GITHUB_REPOSITORY }}/commit/{{ env.GITHUB_SHA }}
@@ -40,7 +40,6 @@ validator-config
 validator-api-config.toml
 dist
 storybook-static
-envs/qwerty.env
 .parcel-cache
 **/.DS_Store
 cpu-cycles/libcpucycles/build
@@ -4,6 +4,30 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://

 ## [Unreleased]

+## [2025.11-cheddar] (2025-06-10)
+
+- No autoremoval of peers ([#5831])
+- Set cached storage counters to 0 ([#5812])
+- hack: temporarily use next.config.js instead of next.config.ts ([#5805])
+- chore: resolve 1.87 clippy warnings ([#5802])
+- Nym Statistics API ([#5800])
+- QoL: RequestPath trait for http-api-client ([#5788])
+- Fix contains ticketbook function that always returned true ([#5787])
+- swap a decode into a fromrow to please future postgres feature ([#5785])
+- Make address cache configurable ([#5784])
+- Track wireguard credential retries ([#5783])
+
+[#5831]: https://github.com/nymtech/nym/pull/5831
+[#5812]: https://github.com/nymtech/nym/pull/5812
+[#5805]: https://github.com/nymtech/nym/pull/5805
+[#5802]: https://github.com/nymtech/nym/pull/5802
+[#5800]: https://github.com/nymtech/nym/pull/5800
+[#5788]: https://github.com/nymtech/nym/pull/5788
+[#5787]: https://github.com/nymtech/nym/pull/5787
+[#5785]: https://github.com/nymtech/nym/pull/5785
+[#5784]: https://github.com/nymtech/nym/pull/5784
+[#5783]: https://github.com/nymtech/nym/pull/5783
+
 ## [2025.10-brie] (2025-05-27)

 - Backport PR 5779 ([#5801])
@@ -33,11 +33,14 @@ members = [
    "common/commands",
    "common/config",
    "common/cosmwasm-smart-contracts/coconut-dkg",
-    "common/cosmwasm-smart-contracts/contracts-common", "common/cosmwasm-smart-contracts/easy_addr",
+    "common/cosmwasm-smart-contracts/contracts-common",
+    "common/cosmwasm-smart-contracts/contracts-common-testing",
+    "common/cosmwasm-smart-contracts/easy_addr",
    "common/cosmwasm-smart-contracts/ecash-contract",
    "common/cosmwasm-smart-contracts/group-contract",
    "common/cosmwasm-smart-contracts/mixnet-contract",
-    "common/cosmwasm-smart-contracts/multisig-contract",
+    "common/cosmwasm-smart-contracts/multisig-contract", "common/cosmwasm-smart-contracts/nym-performance-contract",
+    "common/cosmwasm-smart-contracts/nym-pool-contract",
    "common/cosmwasm-smart-contracts/vesting-contract",
    "common/credential-storage",
    "common/credential-utils",
@@ -64,6 +67,8 @@ members = [
    "common/nym-id",
    "common/nym-metrics",
    "common/nym_offline_compact_ecash",
+    "common/nymnoise",
+    "common/nymnoise/keys",
    "common/nymsphinx",
    "common/nymsphinx/acknowledgements",
    "common/nymsphinx/addressing",
@@ -97,7 +102,6 @@ members = [
    "common/wireguard-types",
    "documentation/autodoc",
    "gateway",
-    "integrations/bity",
    "nym-api",
    "nym-api/nym-api-requests",
    "nym-browser-extension/storage",
@@ -112,6 +116,7 @@ members = [
    "nym-node/nym-node-metrics",
    "nym-node/nym-node-requests",
    "nym-outfox",
+    "nym-statistics-api",
    "nym-validator-rewarder",
    "nyx-chain-watcher",
    "sdk/ffi/cpp",
@@ -122,6 +127,7 @@ members = [
    "service-providers/common",
    "service-providers/ip-packet-router",
    "service-providers/network-requester",
+    "sqlx-pool-guard",
    "tools/echo-server",
    "tools/internal/contract-state-importer/importer-cli",
    "tools/internal/contract-state-importer/importer-contract",
@@ -131,7 +137,7 @@ members = [
    "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/internal/validator-status-check",
    "tools/nym-cli",
    "tools/nym-id-cli",
    "tools/nym-nr-query",
@@ -152,6 +158,7 @@ default-members = [
    "nym-node",
    "nym-node-status-api/nym-node-status-agent",
    "nym-node-status-api/nym-node-status-api",
+    "nym-statistics-api",
    "nym-validator-rewarder",
    "nyx-chain-watcher",
    "service-providers/authenticator",
@@ -198,7 +205,7 @@ bloomfilter = "3.0.1"
 bs58 = "0.5.1"
 bytecodec = "0.4.15"
 bytes = "1.10.1"
-cargo_metadata = "0.18.1"
+cargo_metadata = "0.19.2"
 celes = "2.6.0"
 cfg-if = "1.0.0"
 chacha20 = "0.9.0"
@@ -281,6 +288,7 @@ petgraph = "0.6.5"
 pin-project = "1.1"
 pin-project-lite = "0.2.16"
 publicsuffix = "2.3.0"
+proc_pidinfo = "0.1.3"
 quote = "1"
 rand = "0.8.5"
 rand_chacha = "0.3"
@@ -305,8 +313,9 @@ serde_with = "3.9.0"
 serde_yaml = "0.9.25"
 sha2 = "0.10.9"
 si-scale = "0.2.3"
+snow = "0.9.6"
 sphinx-packet = "=0.6.0"
-sqlx = "0.7.4"
+sqlx = "0.8.6"
 strum = "0.26"
 strum_macros = "0.26"
 subtle-encoding = "0.5"
@@ -314,10 +323,10 @@ syn = "1"
 sysinfo = "0.33.0"
 tap = "1.0.1"
 tar = "0.4.44"
-tempfile = "3.19"
+tempfile = "3.20"
 thiserror = "2.0"
 time = "0.3.41"
-tokio = "1.44"
+tokio = "1.45"
 tokio-postgres = "0.7"
 tokio-stream = "0.1.17"
 tokio-test = "0.4.4"
@@ -344,7 +353,6 @@ utoipauto = "0.2"
 uuid = "*"
 vergen = { version = "=8.3.1", default-features = false }
 walkdir = "2"
-wasm-bindgen-test = "0.3.49"
 x25519-dalek = "2.0.0"
 zeroize = "1.7.0"

@@ -362,9 +370,6 @@ subtle = "2.5.0"
 # cosmwasm-related
 cosmwasm-schema = "=2.2.2"
 cosmwasm-std = "=2.2.2"
-# use 1.0.1 as that's the version used by cosmwasm-std 2.2.1
-# (and ideally we don't want to pull the same dependency twice)
-serde-json-wasm = "=1.0.1"
 # same version as used by cosmwasm
 cw-utils = "=2.0.0"
 cw-storage-plus = "=2.0.0"
@@ -372,6 +377,7 @@ cw2 = { version = "=2.0.0" }
 cw3 = { version = "=2.0.0" }
 cw4 = { version = "=2.0.0" }
 cw-controllers = { version = "=2.0.0" }
+cw-multi-test = "=2.3.2"

 # cosmrs-related
 bip32 = { version = "0.5.3", default-features = false }
@@ -392,6 +398,7 @@ serde-wasm-bindgen = "0.6.5"
 tsify = "0.4.5"
 wasm-bindgen = "0.2.99"
 wasm-bindgen-futures = "0.4.49"
+wasm-bindgen-test = "0.3.49"
 wasmtimer = "0.4.1"
 web-sys = "0.3.76"

@@ -133,7 +133,7 @@ clippy: sdk-wasm-lint
 # Build contracts ready for deploy
 # -----------------------------------------------------------------------------

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

@@ -1,6 +1,6 @@
 [package]
 name = "nym-client"
-version = "1.1.56"
+version = "1.1.57"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>", "Jędrzej Stuczyński <andrew@nymtech.net>"]
 description = "Implementation of the Nym Client"
 edition = "2021"
@@ -2048,10 +2048,11 @@
      }
    },
    "node_modules/http-proxy-middleware": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.4.tgz",
-      "integrity": "sha512-m/4FxX17SUvz4lJ5WPXOHDUuCwIqXLfLHs1s0uZ3oYjhoXlx9csYxaOa0ElDEJ+h8Q4iJ1s+lTMbiCa4EXIJqg==",
+      "version": "2.0.9",
+      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.9.tgz",
+      "integrity": "sha512-c1IyJYLYppU574+YI7R4QyX2ystMtVXZwIdzazUIPIJsHuWNd+mho2j+bKoHftndicGj9yh+xjd+l0yj7VeT1Q==",
      "dev": true,
+      "license": "MIT",
      "dependencies": {
        "@types/http-proxy": "^1.17.8",
        "http-proxy": "^1.18.1",
@@ -6095,9 +6096,9 @@
      }
    },
    "http-proxy-middleware": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.4.tgz",
-      "integrity": "sha512-m/4FxX17SUvz4lJ5WPXOHDUuCwIqXLfLHs1s0uZ3oYjhoXlx9csYxaOa0ElDEJ+h8Q4iJ1s+lTMbiCa4EXIJqg==",
+      "version": "2.0.9",
+      "resolved": "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-2.0.9.tgz",
+      "integrity": "sha512-c1IyJYLYppU574+YI7R4QyX2ystMtVXZwIdzazUIPIJsHuWNd+mho2j+bKoHftndicGj9yh+xjd+l0yj7VeT1Q==",
      "dev": true,
      "requires": {
        "@types/http-proxy": "^1.17.8",
@@ -1,6 +1,6 @@
 [package]
 name = "nym-socks5-client"
-version = "1.1.56"
+version = "1.1.57"
 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"
@@ -108,7 +108,7 @@ impl GatewayClient {
    #[cfg(feature = "verify")]
    pub fn verify(&self, gateway_key: &PrivateKey, nonce: u64) -> Result<(), Error> {
        // use gateways key as a ref to an x25519_dalek key
-        let dh = (gateway_key.as_ref()).diffie_hellman(&self.pub_key);
+        let dh = gateway_key.inner().diffie_hellman(&self.pub_key);

        // TODO: change that to use our nym_crypto::hmac module instead
        #[allow(clippy::expect_used)]
@@ -117,7 +117,7 @@ impl GatewayClient {
    #[cfg(feature = "verify")]
    pub fn verify(&self, gateway_key: &PrivateKey, nonce: u64) -> Result<(), Error> {
        // use gateways key as a ref to an x25519_dalek key
-        let dh = (gateway_key.as_ref()).diffie_hellman(&self.pub_key);
+        let dh = gateway_key.inner().diffie_hellman(&self.pub_key);

        // TODO: change that to use our nym_crypto::hmac module instead
        #[allow(clippy::expect_used)]
@@ -117,7 +117,7 @@ impl GatewayClient {
    #[cfg(feature = "verify")]
    pub fn verify(&self, gateway_key: &PrivateKey, nonce: u64) -> Result<(), Error> {
        // use gateways key as a ref to an x25519_dalek key
-        let dh = (gateway_key.as_ref()).diffie_hellman(&self.pub_key);
+        let dh = gateway_key.inner().diffie_hellman(&self.pub_key);

        // TODO: change that to use our nym_crypto::hmac module instead
        #[allow(clippy::expect_used)]
@@ -169,7 +169,7 @@ impl GatewayClient {
    #[cfg(feature = "verify")]
    pub fn verify(&self, gateway_key: &PrivateKey, nonce: u64) -> Result<(), Error> {
        // use gateways key as a ref to an x25519_dalek key
-        let dh = (gateway_key.as_ref()).diffie_hellman(&self.pub_key);
+        let dh = gateway_key.inner().diffie_hellman(&self.pub_key);

        // TODO: change that to use our nym_crypto::hmac module instead
        #[allow(clippy::expect_used)]
@@ -169,7 +169,7 @@ impl GatewayClient {
    #[cfg(feature = "verify")]
    pub fn verify(&self, gateway_key: &PrivateKey, nonce: u64) -> Result<(), Error> {
        // use gateways key as a ref to an x25519_dalek key
-        let dh = (gateway_key.as_ref()).diffie_hellman(&self.pub_key);
+        let dh = gateway_key.inner().diffie_hellman(&self.pub_key);

        // TODO: change that to use our nym_crypto::hmac module instead
        #[allow(clippy::expect_used)]
@@ -44,7 +44,6 @@ nym-sphinx = { path = "../nymsphinx" }
 nym-statistics-common = { path = "../statistics" }
 nym-pemstore = { path = "../pemstore" }
 nym-topology = { path = "../topology", features = ["persistence"] }
-nym-mixnet-client = { path = "../client-libs/mixnet-client", default-features = false }
 nym-validator-client = { path = "../client-libs/validator-client", default-features = false }
 nym-task = { path = "../task" }
 nym-credentials-interface = { path = "../credentials-interface" }
@@ -57,6 +56,9 @@ nym-client-core-surb-storage = { path = "./surb-storage" }
 nym-client-core-gateways-storage = { path = "./gateways-storage" }
 nym-ecash-time = { path = "../ecash-time" }

+[target."cfg(not(target_arch = \"wasm32\"))".dependencies]
+nym-mixnet-client = { path = "../client-libs/mixnet-client", default-features = false }
+
 ### For serving prometheus metrics
 [target."cfg(not(target_arch = \"wasm32\"))".dependencies.hyper]
 workspace = true
@@ -2,8 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0

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

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

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

    #[error("failed to run the SQL query: {source}")]
    QueryError {
-        #[source]
        #[from]
        source: sqlx::error::Error,
    },
@@ -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(
@@ -456,7 +456,7 @@ where
            log::error!("Could not authenticate and start up the gateway connection - {err}");
            ClientCoreError::GatewayClientError {
                gateway_id: details.gateway_id.to_base58_string(),
-                source: err,
+                source: Box::new(err),
            }
        };

@@ -1,20 +1,18 @@
 // Copyright 2022-2024 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

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

@@ -22,11 +20,11 @@ async fn setup_fresh_backend<P: AsRef<Path>>(
    db_path: P,
    surb_config: &config::ReplySurbs,
 ) -> Result<fs_backend::Backend, ClientCoreError> {
-    info!("creating fresh surb database");
+    info!("Creating fresh surb database");
    let mut storage_backend = match fs_backend::Backend::init(db_path).await {
        Ok(backend) => backend,
        Err(err) => {
-            error!("failed to setup persistent storage backend for our reply needs: {err}");
+            error!("setup_fresh_backend: Failed to setup persistent storage backend for our reply needs: {err}");
            return Err(ClientCoreError::SurbStorageError {
                source: Box::new(err),
            });
@@ -40,14 +38,15 @@ async fn setup_fresh_backend<P: AsRef<Path>>(
        surb_config.minimum_reply_surb_storage_threshold,
        surb_config.maximum_reply_surb_storage_threshold,
    );
-    storage_backend
-        .init_fresh(&mem_store)
-        .await
-        .map_err(|err| ClientCoreError::SurbStorageError {
-            source: Box::new(err),
-        })?;
-
-    Ok(storage_backend)
+    match storage_backend.init_fresh(&mem_store).await {
+        Ok(()) => Ok(storage_backend),
+        Err(err) => {
+            storage_backend.shutdown().await;
+            Err(ClientCoreError::SurbStorageError {
+                source: Box::new(err),
+            })
+        }
+    }
 }

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

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

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

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

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

 pub async fn setup_fs_reply_surb_backend<P: AsRef<Path>>(
@@ -87,13 +89,12 @@ pub async fn setup_fs_reply_surb_backend<P: AsRef<Path>>(
    // the existing one
    let db_path = db_path.as_ref();
    if db_path.exists() {
-        info!("loading existing surb database");
+        info!("Loading existing surb database");
        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");
-
-                archive_corrupted_database(db_path)?;
+                error!("setup_fs_reply_surb_backend: Failed to setup persistent storage backend for our reply needs: {err}. We're going to create a fresh database instead. This behaviour might change in the future");
+                archive_corrupted_database(db_path).await?;
                setup_fresh_backend(db_path, surb_config).await
            }
        }
@@ -12,7 +12,7 @@ use crate::client::topology_control::{TopologyAccessor, TopologyReadPermit};
 use nym_sphinx::acknowledgements::AckKey;
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::anonymous_replies::requests::{AnonymousSenderTag, RepliableMessage, ReplyMessage};
-use nym_sphinx::anonymous_replies::{ReplySurb, SurbEncryptionKey};
+use nym_sphinx::anonymous_replies::ReplySurbWithKeyRotation;
 use nym_sphinx::chunking::fragment::{Fragment, FragmentIdentifier};
 use nym_sphinx::message::NymMessage;
 use nym_sphinx::params::{PacketSize, PacketType};
@@ -44,7 +44,10 @@ pub enum PreparationError {
 }

 impl PreparationError {
-    fn return_surbs(self, returned_surbs: Vec<ReplySurb>) -> SurbWrappedPreparationError {
+    fn return_surbs(
+        self,
+        returned_surbs: Vec<ReplySurbWithKeyRotation>,
+    ) -> SurbWrappedPreparationError {
        SurbWrappedPreparationError {
            source: self,
            returned_surbs: Some(returned_surbs),
@@ -58,7 +61,7 @@ pub struct SurbWrappedPreparationError {
    #[source]
    source: PreparationError,

-    returned_surbs: Option<Vec<ReplySurb>>,
+    returned_surbs: Option<Vec<ReplySurbWithKeyRotation>>,
 }

 impl<T> From<T> for SurbWrappedPreparationError
@@ -268,10 +271,10 @@ where
        }
    }

-    async fn generate_reply_surbs_with_keys(
+    async fn generate_reply_surbs(
        &mut self,
        amount: usize,
-    ) -> Result<(Vec<ReplySurb>, Vec<SurbEncryptionKey>), PreparationError> {
+    ) -> Result<Vec<ReplySurbWithKeyRotation>, PreparationError> {
        let topology_permit = self.topology_access.get_read_permit().await;
        let topology = self.get_topology(&topology_permit)?;

@@ -281,19 +284,14 @@ where
            topology,
        )?;

-        let reply_keys = reply_surbs
-            .iter()
-            .map(|s| *s.encryption_key())
-            .collect::<Vec<_>>();
-
-        Ok((reply_surbs, reply_keys))
+        Ok(reply_surbs)
    }

    pub(crate) async fn try_send_single_surb_message(
        &mut self,
        target: AnonymousSenderTag,
        message: ReplyMessage,
-        reply_surb: ReplySurb,
+        reply_surb: ReplySurbWithKeyRotation,
        is_extra_surb_request: bool,
    ) -> Result<(), SurbWrappedPreparationError> {
        let msg = NymMessage::new_reply(message);
@@ -347,7 +345,7 @@ where
    pub(crate) async fn try_request_additional_reply_surbs(
        &mut self,
        from: AnonymousSenderTag,
-        reply_surb: ReplySurb,
+        reply_surb: ReplySurbWithKeyRotation,
        amount: u32,
    ) -> Result<(), SurbWrappedPreparationError> {
        debug!("requesting {amount} reply SURBs from {from}");
@@ -387,7 +385,7 @@ where
        &mut self,
        target: AnonymousSenderTag,
        fragments: Vec<FragmentWithMaxRetransmissions>,
-        reply_surbs: Vec<ReplySurb>,
+        reply_surbs: Vec<ReplySurbWithKeyRotation>,
        lane: TransmissionLane,
    ) -> Result<(), SurbWrappedPreparationError> {
        // TODO: technically this is performing an unnecessary cloning, but in the grand scheme of things
@@ -404,7 +402,7 @@ where
        &mut self,
        target: AnonymousSenderTag,
        fragments: Vec<(TransmissionLane, FragmentWithMaxRetransmissions)>,
-        reply_surbs: Vec<ReplySurb>,
+        reply_surbs: Vec<ReplySurbWithKeyRotation>,
    ) -> Result<(), SurbWrappedPreparationError> {
        let prepared_fragments = self
            .prepare_reply_chunks_for_sending(
@@ -541,8 +539,12 @@ where
    ) -> Result<(), PreparationError> {
        debug!("Sending additional reply SURBs with packet type {packet_type}");
        let sender_tag = self.get_or_create_sender_tag(&recipient);
-        let (reply_surbs, reply_keys) =
-            self.generate_reply_surbs_with_keys(amount as usize).await?;
+        let reply_surbs = self.generate_reply_surbs(amount as usize).await?;
+
+        let reply_keys = reply_surbs
+            .iter()
+            .map(|s| *s.encryption_key())
+            .collect::<Vec<_>>();

        let message = NymMessage::new_repliable(RepliableMessage::new_additional_surbs(
            self.config.use_legacy_sphinx_format,
@@ -579,9 +581,12 @@ where
    ) -> Result<(), SurbWrappedPreparationError> {
        debug!("Sending message with reply SURBs with packet type {packet_type}");
        let sender_tag = self.get_or_create_sender_tag(&recipient);
-        let (reply_surbs, reply_keys) = self
-            .generate_reply_surbs_with_keys(num_reply_surbs as usize)
-            .await?;
+        let reply_surbs = self.generate_reply_surbs(num_reply_surbs as usize).await?;
+
+        let reply_keys = reply_surbs
+            .iter()
+            .map(|s| *s.encryption_key())
+            .collect::<Vec<_>>();

        let message = NymMessage::new_repliable(RepliableMessage::new_data(
            self.config.use_legacy_sphinx_format,
@@ -629,7 +634,7 @@ where
    pub(crate) async fn prepare_reply_chunks_for_sending(
        &mut self,
        fragments: Vec<Fragment>,
-        reply_surbs: Vec<ReplySurb>,
+        reply_surbs: Vec<ReplySurbWithKeyRotation>,
    ) -> Result<Vec<PreparedFragment>, SurbWrappedPreparationError> {
        debug_assert_eq!(
            fragments.len(),
@@ -665,7 +670,7 @@ where

    pub(crate) async fn try_prepare_single_reply_chunk_for_sending(
        &mut self,
-        reply_surb: ReplySurb,
+        reply_surb: ReplySurbWithKeyRotation,
        chunk: Fragment,
    ) -> Result<PreparedFragment, SurbWrappedPreparationError> {
        let topology_permit = self.topology_access.get_read_permit().await;
@@ -11,7 +11,7 @@ use futures::StreamExt;
 use log::{debug, error, info, trace, warn};
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::anonymous_replies::ReplySurb;
+use nym_sphinx::anonymous_replies::ReplySurbWithKeyRotation;
 use nym_sphinx::chunking::fragment::FragmentIdentifier;
 use nym_task::connections::{ConnectionId, TransmissionLane};
 use nym_task::TaskClient;
@@ -499,7 +499,7 @@ where
    async fn handle_received_surbs(
        &mut self,
        from: AnonymousSenderTag,
-        reply_surbs: Vec<ReplySurb>,
+        reply_surbs: Vec<ReplySurbWithKeyRotation>,
        from_surb_request: bool,
    ) {
        trace!("handling received surbs");
@@ -6,7 +6,7 @@ use futures::channel::{mpsc, oneshot};
 use log::error;
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::anonymous_replies::ReplySurb;
+use nym_sphinx::anonymous_replies::ReplySurbWithKeyRotation;
 use nym_task::connections::{ConnectionId, TransmissionLane};
 use std::sync::Weak;

@@ -81,7 +81,7 @@ impl ReplyControllerSender {
    pub(crate) fn send_additional_surbs(
        &self,
        sender_tag: AnonymousSenderTag,
-        reply_surbs: Vec<ReplySurb>,
+        reply_surbs: Vec<ReplySurbWithKeyRotation>,
        from_surb_request: bool,
    ) -> Result<(), ReplyControllerSenderError> {
        self.0
@@ -167,7 +167,7 @@ pub enum ReplyControllerMessage {

    AdditionalSurbs {
        sender_tag: AnonymousSenderTag,
-        reply_surbs: Vec<ReplySurb>,
+        reply_surbs: Vec<ReplySurbWithKeyRotation>,
        from_surb_request: bool,
    },

@@ -4,7 +4,7 @@
 use async_trait::async_trait;
 use log::{debug, error, warn};
 use nym_topology::provider_trait::TopologyProvider;
-use nym_topology::NymTopology;
+use nym_topology::{NymTopology, NymTopologyMetadata};
 use nym_validator_client::UserAgent;
 use rand::prelude::SliceRandom;
 use rand::thread_rng;
@@ -89,55 +89,84 @@ impl NymApiTopologyProvider {
        let rewarded_set_fut = self.validator_client.get_current_rewarded_set();

        let topology = if self.config.use_extended_topology {
-            let all_nodes_fut = self.validator_client.get_all_basic_nodes();
+            let all_nodes_fut = self.validator_client.get_all_basic_nodes_with_metadata();

            // Join rewarded_set_fut and all_nodes_fut concurrently
-            let (rewarded_set, all_nodes) = futures::try_join!(rewarded_set_fut, all_nodes_fut)
+            let (rewarded_set, all_nodes_res) = futures::try_join!(rewarded_set_fut, all_nodes_fut)
                .inspect_err(|err| error!("failed to get network nodes: {err}"))
                .ok()?;

+            let metadata = all_nodes_res.metadata;
+            let all_nodes = all_nodes_res.nodes;
+
            debug!(
                "there are {} nodes on the network (before filtering)",
                all_nodes.len()
            );
-            let mut topology = NymTopology::new_empty(rewarded_set);
-            topology.add_additional_nodes(all_nodes.iter().filter(|n| {
-                n.performance.round_to_integer() >= self.config.min_node_performance()
-            }));
+            let nodes_filtered = all_nodes
+                .into_iter()
+                .filter(|n| n.performance.round_to_integer() >= self.config.min_node_performance())
+                .collect::<Vec<_>>();

-            topology
+            NymTopology::new(
+                NymTopologyMetadata::new(metadata.rotation_id, metadata.absolute_epoch_id),
+                rewarded_set,
+                Vec::new(),
+            )
+            .with_skimmed_nodes(&nodes_filtered)
        } else {
            // if we're not using extended topology, we're only getting active set mixnodes and gateways

            let mixnodes_fut = self
                .validator_client
-                .get_all_basic_active_mixing_assigned_nodes();
+                .get_all_basic_active_mixing_assigned_nodes_with_metadata();

            // TODO: we really should be getting ACTIVE gateways only
-            let gateways_fut = self.validator_client.get_all_basic_entry_assigned_nodes();
+            let gateways_fut = self
+                .validator_client
+                .get_all_basic_entry_assigned_nodes_v2();

-            let (rewarded_set, mixnodes, gateways) =
+            let (rewarded_set, mixnodes_res, gateways_res) =
                futures::try_join!(rewarded_set_fut, mixnodes_fut, gateways_fut)
                    .inspect_err(|err| {
                        error!("failed to get network nodes: {err}");
                    })
                    .ok()?;

+            let metadata = mixnodes_res.metadata;
+            let mixnodes = mixnodes_res.nodes;
+
+            if gateways_res.metadata != metadata {
+                warn!("inconsistent nodes metadata between mixnodes and gateways calls! {metadata:?} and {:?}", gateways_res.metadata);
+                return None;
+            }
+
+            let gateways = gateways_res.nodes;
+
            debug!(
                "there are {} mixnodes and {} gateways in total (before performance filtering)",
                mixnodes.len(),
                gateways.len()
            );

-            let mut topology = NymTopology::new_empty(rewarded_set);
-            topology.add_additional_nodes(mixnodes.iter().filter(|m| {
-                m.performance.round_to_integer() >= self.config.min_mixnode_performance
-            }));
-            topology.add_additional_nodes(gateways.iter().filter(|m| {
-                m.performance.round_to_integer() >= self.config.min_gateway_performance
-            }));
+            let mut nodes = Vec::new();
+            for mix in mixnodes {
+                if mix.performance.round_to_integer() >= self.config.min_mixnode_performance {
+                    nodes.push(mix)
+                }
+            }
+            for gateway in gateways {
+                if gateway.performance.round_to_integer() >= self.config.min_gateway_performance {
+                    nodes.push(gateway)
+                }
+            }

-            topology
+            NymTopology::new(
+                NymTopologyMetadata::new(metadata.rotation_id, metadata.absolute_epoch_id),
+                rewarded_set,
+                Vec::new(),
+            )
+            .with_skimmed_nodes(&nodes)
        };

        if !topology.is_minimally_routable() {
@@ -18,7 +18,7 @@ pub enum ClientCoreError {
    #[error("gateway client error ({gateway_id}): {source}")]
    GatewayClientError {
        gateway_id: String,
-        source: GatewayClientError,
+        source: Box<GatewayClientError>,
    },

    #[error("custom gateway client error: {source}")]
@@ -88,10 +88,7 @@ pub enum ClientCoreError {
    },

    #[error("failed to establish connection to gateway: {source}")]
-    GatewayConnectionFailure {
-        #[from]
-        source: tungstenite::Error,
-    },
+    GatewayConnectionFailure { source: Box<tungstenite::Error> },

    #[cfg(target_arch = "wasm32")]
    #[error("failed to establish gateway connection (wasm)")]
@@ -227,6 +224,14 @@ pub enum ClientCoreError {
    HkdfDerivationError {},
 }

+impl From<tungstenite::Error> for ClientCoreError {
+    fn from(err: tungstenite::Error) -> ClientCoreError {
+        ClientCoreError::GatewayConnectionFailure {
+            source: Box::new(err),
+        }
+    }
+}
+
 /// Set of messages that the client can send to listeners via the task manager
 #[derive(Debug)]
 pub enum ClientCoreStatusMessage {
@@ -107,7 +107,7 @@ pub async fn gateways_for_init<R: Rng>(

    log::debug!("Fetching list of gateways from: {nym_api}");

-    let gateways = client.get_all_basic_entry_assigned_nodes().await?;
+    let gateways = client.get_all_basic_entry_assigned_nodes_v2().await?.nodes;
    info!("nym api reports {} gateways", gateways.len());

    log::trace!("Gateways: {:#?}", gateways);
@@ -329,7 +329,7 @@ pub(super) async fn register_with_gateway(
        log::warn!("Failed to establish connection with gateway!");
        ClientCoreError::GatewayClientError {
            gateway_id: gateway_id.to_base58_string(),
-            source: err,
+            source: Box::new(err),
        }
    })?;
    let auth_response = gateway_client
@@ -339,7 +339,7 @@ pub(super) async fn register_with_gateway(
            log::warn!("Failed to register with the gateway {gateway_id}: {err}");
            ClientCoreError::GatewayClientError {
                gateway_id: gateway_id.to_base58_string(),
-                source: err,
+                source: Box::new(err),
            }
        })?;

@@ -232,7 +232,7 @@ where
        } => {
            log::debug!("GatewaySetup::ReuseConnection");
            Ok(reuse_gateway_connection(
-                authenticated_ephemeral_client,
+                *authenticated_ephemeral_client,
                *gateway_details,
                managed_keys,
            ))
@@ -218,7 +218,7 @@ pub enum GatewaySetup {

    ReuseConnection {
        /// The authenticated ephemeral client that was created during `init`
-        authenticated_ephemeral_client: InitGatewayClient,
+        authenticated_ephemeral_client: Box<InitGatewayClient>,

        // Details of this pre-initialised client (i.e. gateway and keys)
        gateway_details: Box<GatewayRegistration>,
@@ -261,7 +261,7 @@ impl GatewaySetup {
    pub fn try_reuse_connection(init_res: InitialisationResult) -> Result<Self, ClientCoreError> {
        if let Some(authenticated_ephemeral_client) = init_res.authenticated_ephemeral_client {
            Ok(GatewaySetup::ReuseConnection {
-                authenticated_ephemeral_client,
+                authenticated_ephemeral_client: Box::new(authenticated_ephemeral_client),
                gateway_details: Box::new(init_res.gateway_registration),
                client_keys: init_res.client_keys,
            })
@@ -17,15 +17,26 @@ nym-crypto = { path = "../../crypto", optional = true, default-features = false
 nym-sphinx = { path = "../../nymsphinx" }
 nym-task = { path = "../../task" }

+[target."cfg(not(target_arch = \"wasm32\"))".dependencies.tokio]
+workspace = true
+features = ["fs"]

 [target."cfg(not(target_arch = \"wasm32\"))".dependencies.sqlx]
 workspace = true
 features = ["runtime-tokio-rustls", "sqlite", "macros", "migrate"]
 optional = true

+[target."cfg(not(target_arch = \"wasm32\"))".dependencies.sqlx-pool-guard]
+path = "../../../sqlx-pool-guard"
+
 [build-dependencies]
 tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }
-sqlx = { workspace = true, features = ["runtime-tokio-rustls", "sqlite", "macros", "migrate"] }
+sqlx = { workspace = true, features = [
+    "runtime-tokio-rustls",
+    "sqlite",
+    "macros",
+    "migrate",
+] }

 [features]
 fs-surb-storage = ["sqlx", "nym-crypto", "nym-crypto/hashing"]
@@ -0,0 +1,8 @@
+/*
+ * Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+-- default value of 0 implies 'unknown' variant
+ALTER TABLE reply_surb
+    ADD COLUMN encoded_key_rotation TINYINT NOT NULL DEFAULT 0;
@@ -1,8 +1,7 @@
 // Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

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

 #[derive(Debug, Error)]
@@ -30,7 +29,6 @@ pub enum StorageError {

    #[error("failed to perform sqlx migration: {source}")]
    MigrationError {
-        #[source]
        #[from]
        source: sqlx::migrate::MigrateError,
    },
@@ -43,7 +41,6 @@ pub enum StorageError {

    #[error("failed to run the SQL query: {source}")]
    QueryError {
-        #[source]
        #[from]
        source: sqlx::error::Error,
    },
@@ -15,9 +15,11 @@ use sqlx::{
 };
 use std::path::Path;

+use sqlx_pool_guard::SqlitePoolGuard;
+
 #[derive(Debug, Clone)]
 pub struct StorageManager {
-    pub connection_pool: sqlx::SqlitePool,
+    connection_pool: SqlitePoolGuard,
 }

 // all SQL goes here
@@ -37,7 +39,7 @@ impl StorageManager {
            .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal)
            .synchronous(SqliteSynchronous::Normal)
            .auto_vacuum(SqliteAutoVacuum::Incremental)
-            .filename(database_path)
+            .filename(&database_path)
            .create_if_missing(fresh)
            .disable_statement_logging();

@@ -49,11 +51,15 @@ impl StorageManager {
            }
        };

+        let connection_pool =
+            SqlitePoolGuard::new(database_path.as_ref().to_path_buf(), connection_pool);
+
        if let Err(err) = sqlx::migrate!("./fs_surbs_migrations")
-            .run(&connection_pool)
+            .run(&*connection_pool)
            .await
        {
            error!("Failed to initialize SQLx database: {err}");
+            connection_pool.close().await;
            return Err(err.into());
        }

@@ -61,38 +67,43 @@ impl StorageManager {
        Ok(StorageManager { connection_pool })
    }

+    /// Close connection pool waiting for all connections to be closed.
+    pub async fn close_pool(&self) {
+        self.connection_pool.close().await;
+    }
+
    #[allow(dead_code)]
    pub async fn status_table_exists(&self) -> Result<bool, sqlx::Error> {
        sqlx::query!("SELECT name FROM sqlite_master WHERE type='table' AND name='status'")
-            .fetch_optional(&self.connection_pool)
+            .fetch_optional(&*self.connection_pool)
            .await
            .map(|r| r.is_some())
    }

    pub async fn create_status_table(&self) -> Result<(), sqlx::Error> {
        sqlx::query!("INSERT INTO status(flush_in_progress, previous_flush_timestamp, client_in_use) VALUES (0, 0, 1)")
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;
        Ok(())
    }

    pub async fn get_flush_status(&self) -> Result<bool, sqlx::Error> {
        sqlx::query!("SELECT flush_in_progress FROM status;")
-            .fetch_one(&self.connection_pool)
+            .fetch_one(&*self.connection_pool)
            .await
            .map(|r| r.flush_in_progress > 0)
    }

    pub async fn set_previous_flush_timestamp(&self, timestamp: i64) -> Result<(), sqlx::Error> {
        sqlx::query!("UPDATE status SET previous_flush_timestamp = ?", timestamp)
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;
        Ok(())
    }

    pub async fn get_previous_flush_timestamp(&self) -> Result<i64, sqlx::Error> {
        sqlx::query!("SELECT previous_flush_timestamp FROM status;")
-            .fetch_one(&self.connection_pool)
+            .fetch_one(&*self.connection_pool)
            .await
            .map(|r| r.previous_flush_timestamp)
    }
@@ -100,14 +111,14 @@ impl StorageManager {
    pub async fn set_flush_status(&self, in_progress: bool) -> Result<(), sqlx::Error> {
        let in_progress_int = i64::from(in_progress);
        sqlx::query!("UPDATE status SET flush_in_progress = ?", in_progress_int)
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;
        Ok(())
    }

    pub async fn get_client_in_use_status(&self) -> Result<bool, sqlx::Error> {
        sqlx::query!("SELECT client_in_use FROM status;")
-            .fetch_one(&self.connection_pool)
+            .fetch_one(&*self.connection_pool)
            .await
            .map(|r| r.client_in_use > 0)
    }
@@ -115,21 +126,21 @@ impl StorageManager {
    pub async fn set_client_in_use_status(&self, in_use: bool) -> Result<(), sqlx::Error> {
        let in_use_int = i64::from(in_use);
        sqlx::query!("UPDATE status SET client_in_use = ?", in_use_int)
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;
        Ok(())
    }

    pub async fn delete_all_tags(&self) -> Result<(), sqlx::Error> {
        sqlx::query!("DELETE FROM sender_tag;")
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;
        Ok(())
    }

    pub async fn get_tags(&self) -> Result<Vec<StoredSenderTag>, sqlx::Error> {
        sqlx::query_as!(StoredSenderTag, "SELECT * FROM sender_tag;",)
-            .fetch_all(&self.connection_pool)
+            .fetch_all(&*self.connection_pool)
            .await
    }

@@ -141,21 +152,21 @@ impl StorageManager {
            stored_tag.recipient,
            stored_tag.tag
        )
-        .execute(&self.connection_pool)
+        .execute(&*self.connection_pool)
        .await?;
        Ok(())
    }

    pub async fn delete_all_reply_keys(&self) -> Result<(), sqlx::Error> {
        sqlx::query!("DELETE FROM reply_key;")
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;
        Ok(())
    }

    pub async fn get_reply_keys(&self) -> Result<Vec<StoredReplyKey>, sqlx::Error> {
        sqlx::query_as!(StoredReplyKey, "SELECT * FROM reply_key;",)
-            .fetch_all(&self.connection_pool)
+            .fetch_all(&*self.connection_pool)
            .await
    }

@@ -171,14 +182,14 @@ impl StorageManager {
            stored_reply_key.reply_key,
            stored_reply_key.sent_at_timestamp
        )
-        .execute(&self.connection_pool)
+        .execute(&*self.connection_pool)
        .await?;
        Ok(())
    }

    pub async fn get_surb_senders(&self) -> Result<Vec<StoredSurbSender>, sqlx::Error> {
        sqlx::query_as!(StoredSurbSender, "SELECT * FROM reply_surb_sender;",)
-            .fetch_all(&self.connection_pool)
+            .fetch_all(&*self.connection_pool)
            .await
    }

@@ -193,7 +204,7 @@ impl StorageManager {
            stored_surb_sender.tag,
            stored_surb_sender.last_sent_timestamp
        )
-        .execute(&self.connection_pool)
+        .execute(&*self.connection_pool)
        .await?
        .last_insert_rowid();
        Ok(id)
@@ -205,20 +216,23 @@ impl StorageManager {
    ) -> Result<Vec<StoredReplySurb>, sqlx::Error> {
        sqlx::query_as!(
            StoredReplySurb,
-            "SELECT * FROM reply_surb WHERE reply_surb_sender_id = ?",
+            r#"
+                SELECT reply_surb_sender_id, reply_surb, encoded_key_rotation as "encoded_key_rotation: u8" FROM reply_surb 
+                WHERE reply_surb_sender_id = ?
+            "#,
            sender_id
        )
-        .fetch_all(&self.connection_pool)
+        .fetch_all(&*self.connection_pool)
        .await
    }

    pub async fn delete_all_reply_surb_data(&self) -> Result<(), sqlx::Error> {
        sqlx::query!("DELETE FROM reply_surb;")
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;

        sqlx::query!("DELETE FROM reply_surb_sender;")
-            .execute(&self.connection_pool)
+            .execute(&*self.connection_pool)
            .await?;

        Ok(())
@@ -230,12 +244,13 @@ impl StorageManager {
    ) -> Result<(), sqlx::Error> {
        sqlx::query!(
            r#"
-                INSERT INTO reply_surb(reply_surb_sender_id, reply_surb) VALUES (?, ?);
+                INSERT INTO reply_surb(reply_surb_sender_id, reply_surb, encoded_key_rotation) VALUES (?, ?, ?);
            "#,
            stored_reply_surb.reply_surb_sender_id,
-            stored_reply_surb.reply_surb
+            stored_reply_surb.reply_surb,
+            stored_reply_surb.encoded_key_rotation
        )
-        .execute(&self.connection_pool)
+        .execute(&*self.connection_pool)
        .await?;
        Ok(())
    }
@@ -249,7 +264,7 @@ impl StorageManager {
                SELECT min_reply_surb_threshold as "min_reply_surb_threshold: u32", max_reply_surb_threshold as "max_reply_surb_threshold: u32" FROM reply_surb_storage_metadata;
             "#,
        )
-            .fetch_one(&self.connection_pool)
+            .fetch_one(&*self.connection_pool)
            .await
    }

@@ -263,7 +278,7 @@ impl StorageManager {
        "#,
            metadata.min_reply_surb_threshold,
            metadata.max_reply_surb_threshold,
-        ).execute(&self.connection_pool).await?;
+        ).execute(&*self.connection_pool).await?;
        Ok(())
    }
 }
@@ -1,18 +1,21 @@
 // Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::backend::fs_backend::manager::StorageManager;
-use crate::backend::fs_backend::models::{
-    ReplySurbStorageMetadata, StoredReplyKey, StoredReplySurb, StoredSenderTag, StoredSurbSender,
-};
-use crate::surb_storage::ReceivedReplySurbs;
 use crate::{
-    CombinedReplyStorage, ReceivedReplySurbsMap, ReplyStorageBackend, SentReplyKeys, UsedSenderTags,
+    backend::fs_backend::{
+        manager::StorageManager,
+        models::{
+            ReplySurbStorageMetadata, StoredReplyKey, StoredReplySurb, StoredSenderTag,
+            StoredSurbSender,
+        },
+    },
+    surb_storage::ReceivedReplySurbs,
+    CombinedReplyStorage, ReceivedReplySurbsMap, ReplyStorageBackend, SentReplyKeys,
+    UsedSenderTags,
 };
 use async_trait::async_trait;
 use log::{debug, error, info, warn};
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use std::fs;
 use std::path::{Path, PathBuf};
 use time::OffsetDateTime;

@@ -41,15 +44,17 @@ impl Backend {
        }

        let manager = StorageManager::init(database_path, true).await?;
-        manager.create_status_table().await?;
-
-        let backend = Backend {
-            temporary_old_path: None,
-            database_path: owned_path,
-            manager,
-        };
-
-        Ok(backend)
+        match manager.create_status_table().await {
+            Ok(()) => Ok(Backend {
+                temporary_old_path: None,
+                database_path: owned_path,
+                manager,
+            }),
+            Err(err) => {
+                manager.close_pool().await;
+                Err(err.into())
+            }
+        }
    }

    pub async fn try_load<P: AsRef<Path>>(
@@ -64,7 +69,28 @@ impl Backend {
        }

        let manager = StorageManager::init(database_path, false).await?;
+        match Self::try_load_inner(&manager, fresh_sender_tags).await {
+            Ok(()) => Ok(Backend {
+                temporary_old_path: None,
+                database_path: owned_path,
+                manager,
+            }),
+            Err(e) => {
+                manager.close_pool().await;
+                Err(e)
+            }
+        }
+    }

+    /// Gracefully close sqlite connection pool and drop backend.
+    pub async fn shutdown(self) {
+        self.manager.close_pool().await
+    }
+
+    async fn try_load_inner(
+        manager: &StorageManager,
+        fresh_sender_tags: bool,
+    ) -> Result<(), StorageError> {
        // the database flush wasn't fully finished and thus the data is in inconsistent state
        // (we don't really know what's properly saved or what's not)
        if manager.get_flush_status().await? {
@@ -126,20 +152,11 @@ impl Backend {
            manager.delete_all_tags().await?;
        }

-        Ok(Backend {
-            temporary_old_path: None,
-            database_path: owned_path,
-            // manager: StorageManagerState::Storage(manager),
-            manager,
-        })
-    }
-
-    async fn close_pool(&mut self) {
-        self.manager.connection_pool.close().await;
+        Ok(())
    }

    async fn rotate(&mut self) -> Result<(), StorageError> {
-        self.close_pool().await;
+        self.manager.close_pool().await;

        let new_extension = if let Some(existing_extension) =
            self.database_path.extension().and_then(|ext| ext.to_str())
@@ -152,7 +169,8 @@ impl Backend {
        let mut temp_old = self.database_path.clone();
        temp_old.set_extension(new_extension);

-        fs::rename(&self.database_path, &temp_old)
+        tokio::fs::rename(&self.database_path, &temp_old)
+            .await
            .map_err(|err| StorageError::DatabaseRenameError { source: err })?;
        self.manager = StorageManager::init(&self.database_path, true).await?;
        self.manager.create_status_table().await?;
@@ -161,9 +179,10 @@ impl Backend {
        Ok(())
    }

-    fn remove_old(&mut self) -> Result<(), StorageError> {
+    async fn remove_old(&mut self) -> Result<(), StorageError> {
        if let Some(old_path) = self.temporary_old_path.take() {
-            fs::remove_file(old_path)
+            tokio::fs::remove_file(old_path)
+                .await
                .map_err(|err| StorageError::DatabaseOldFileRemoveError { source: err })
        } else {
            warn!("the old database file doesn't seem to exist!");
@@ -335,7 +354,7 @@ impl ReplyStorageBackend for Backend {
        self.dump_reply_surb_storage_metadata(surbs_ref).await?;
        self.dump_reply_surbs(surbs_ref).await?;

-        self.remove_old()?;
+        self.remove_old().await?;
        self.end_storage_flush().await
    }

@@ -8,8 +8,10 @@ use nym_crypto::Digest;
 use nym_sphinx::addressing::clients::{Recipient, RecipientBytes};
 use nym_sphinx::anonymous_replies::encryption_key::EncryptionKeyDigest;
 use nym_sphinx::anonymous_replies::requests::{AnonymousSenderTag, SENDER_TAG_SIZE};
-use nym_sphinx::anonymous_replies::{ReplySurb, SurbEncryptionKey, SurbEncryptionKeySize};
-use nym_sphinx::params::ReplySurbKeyDigestAlgorithm;
+use nym_sphinx::anonymous_replies::{
+    ReplySurb, ReplySurbWithKeyRotation, SurbEncryptionKey, SurbEncryptionKeySize,
+};
+use nym_sphinx::params::{ReplySurbKeyDigestAlgorithm, SphinxKeyRotation};

 #[derive(Debug, Clone)]
 pub struct StoredSenderTag {
@@ -146,24 +148,40 @@ impl TryFrom<StoredSurbSender> for (AnonymousSenderTag, i64) {
 pub struct StoredReplySurb {
    pub reply_surb_sender_id: i64,
    pub reply_surb: Vec<u8>,
+
+    // encodes only whether it's 'even', 'odd' or 'unknown' (default)
+    // and not the whole id because that's redundant
+    pub encoded_key_rotation: u8,
 }

 impl StoredReplySurb {
-    pub fn new(reply_surb_sender_id: i64, reply_surb: &ReplySurb) -> Self {
+    pub fn new(reply_surb_sender_id: i64, reply_surb: &ReplySurbWithKeyRotation) -> Self {
        StoredReplySurb {
            reply_surb_sender_id,
-            reply_surb: reply_surb.to_bytes(),
+            reply_surb: reply_surb.inner_reply_surb().to_bytes(),
+            encoded_key_rotation: reply_surb.key_rotation() as u8,
        }
    }
 }

-impl TryFrom<StoredReplySurb> for ReplySurb {
+impl TryFrom<StoredReplySurb> for ReplySurbWithKeyRotation {
    type Error = StorageError;

    fn try_from(value: StoredReplySurb) -> Result<Self, Self::Error> {
-        ReplySurb::from_bytes(&value.reply_surb).map_err(|err| StorageError::CorruptedData {
-            details: format!("failed to recover the reply surb: {err}"),
-        })
+        let key_rotation =
+            SphinxKeyRotation::try_from(value.encoded_key_rotation).map_err(|err| {
+                StorageError::CorruptedData {
+                    details: format!("stored key rotation was malformed: {err}"),
+                }
+            })?;
+
+        let reply_surb = ReplySurb::from_bytes(&value.reply_surb).map_err(|err| {
+            StorageError::CorruptedData {
+                details: format!("failed to recover the reply surb: {err}"),
+            }
+        })?;
+
+        Ok(reply_surb.with_key_rotation(key_rotation))
    }
 }

@@ -33,7 +33,6 @@ where
        self.backend.load_surb_storage().await
    }

-    // this will have to get enabled after merging develop
    pub async fn flush_on_shutdown(
        mut self,
        mem_state: CombinedReplyStorage,
@@ -50,7 +49,6 @@ where
        shutdown.recv().await;

        info!("PersistentReplyStorage is flushing all reply-related data to underlying storage");
-        info!("you MUST NOT forcefully shutdown now or you risk data corruption!");
        if let Err(err) = self.backend.flush_surb_storage(&mem_state).await {
            error!("failed to flush our reply-related data to the persistent storage: {err}")
        } else {
@@ -5,7 +5,7 @@ use dashmap::iter::Iter;
 use dashmap::DashMap;
 use log::trace;
 use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
-use nym_sphinx::anonymous_replies::ReplySurb;
+use nym_sphinx::anonymous_replies::ReplySurbWithKeyRotation;
 use std::collections::VecDeque;
 use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Arc;
@@ -134,7 +134,7 @@ impl ReceivedReplySurbsMap {
        &self,
        target: &AnonymousSenderTag,
        amount: usize,
-    ) -> (Option<Vec<ReplySurb>>, usize) {
+    ) -> (Option<Vec<ReplySurbWithKeyRotation>>, usize) {
        if let Some(mut entry) = self.inner.data.get_mut(target) {
            let surbs_left = entry.items_left();
            if surbs_left < self.min_surb_threshold() + amount {
@@ -150,7 +150,7 @@ impl ReceivedReplySurbsMap {
    pub fn get_reply_surb_ignoring_threshold(
        &self,
        target: &AnonymousSenderTag,
-    ) -> Option<(Option<ReplySurb>, usize)> {
+    ) -> Option<(Option<ReplySurbWithKeyRotation>, usize)> {
        self.inner
            .data
            .get_mut(target)
@@ -160,7 +160,7 @@ impl ReceivedReplySurbsMap {
    pub fn get_reply_surb(
        &self,
        target: &AnonymousSenderTag,
-    ) -> Option<(Option<ReplySurb>, usize)> {
+    ) -> Option<(Option<ReplySurbWithKeyRotation>, usize)> {
        self.inner.data.get_mut(target).map(|mut entry| {
            let surbs_left = entry.items_left();
            if surbs_left < self.min_surb_threshold() {
@@ -171,7 +171,7 @@ impl ReceivedReplySurbsMap {
        })
    }

-    pub fn insert_surbs<I: IntoIterator<Item = ReplySurb>>(
+    pub fn insert_surbs<I: IntoIterator<Item = ReplySurbWithKeyRotation>>(
        &self,
        target: &AnonymousSenderTag,
        surbs: I,
@@ -189,14 +189,14 @@ impl ReceivedReplySurbsMap {
 pub struct ReceivedReplySurbs {
    // in the future we'd probably want to put extra data here to indicate when the SURBs got received
    // so we could invalidate entries from the previous key rotations
-    data: VecDeque<ReplySurb>,
+    data: VecDeque<ReplySurbWithKeyRotation>,

    pending_reception: u32,
    surbs_last_received_at_timestamp: i64,
 }

 impl ReceivedReplySurbs {
-    fn new(initial_surbs: VecDeque<ReplySurb>) -> Self {
+    fn new(initial_surbs: VecDeque<ReplySurbWithKeyRotation>) -> Self {
        ReceivedReplySurbs {
            data: initial_surbs,
            pending_reception: 0,
@@ -206,7 +206,7 @@ impl ReceivedReplySurbs {

    #[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
    pub fn new_retrieved(
-        surbs: Vec<ReplySurb>,
+        surbs: Vec<ReplySurbWithKeyRotation>,
        surbs_last_received_at_timestamp: i64,
    ) -> ReceivedReplySurbs {
        ReceivedReplySurbs {
@@ -217,7 +217,7 @@ impl ReceivedReplySurbs {
    }

    #[cfg(all(not(target_arch = "wasm32"), feature = "fs-surb-storage"))]
-    pub fn surbs_ref(&self) -> &VecDeque<ReplySurb> {
+    pub fn surbs_ref(&self) -> &VecDeque<ReplySurbWithKeyRotation> {
        &self.data
    }

@@ -243,7 +243,10 @@ impl ReceivedReplySurbs {
        self.pending_reception = 0;
    }

-    pub fn get_reply_surbs(&mut self, amount: usize) -> (Option<Vec<ReplySurb>>, usize) {
+    pub fn get_reply_surbs(
+        &mut self,
+        amount: usize,
+    ) -> (Option<Vec<ReplySurbWithKeyRotation>>, usize) {
        if self.items_left() < amount {
            (None, self.items_left())
        } else {
@@ -252,11 +255,11 @@ impl ReceivedReplySurbs {
        }
    }

-    pub fn get_reply_surb(&mut self) -> (Option<ReplySurb>, usize) {
+    pub fn get_reply_surb(&mut self) -> (Option<ReplySurbWithKeyRotation>, usize) {
        (self.pop_surb(), self.items_left())
    }

-    fn pop_surb(&mut self) -> Option<ReplySurb> {
+    fn pop_surb(&mut self) -> Option<ReplySurbWithKeyRotation> {
        self.data.pop_front()
    }

@@ -265,7 +268,10 @@ impl ReceivedReplySurbs {
    }

    // realistically we're always going to be getting multiple surbs at once
-    pub fn insert_reply_surbs<I: IntoIterator<Item = ReplySurb>>(&mut self, surbs: I) {
+    pub fn insert_reply_surbs<I: IntoIterator<Item = ReplySurbWithKeyRotation>>(
+        &mut self,
+        surbs: I,
+    ) {
        let mut v = surbs.into_iter().collect::<VecDeque<_>>();
        trace!("storing {} surbs in the storage", v.len());
        self.data.append(&mut v);
@@ -21,8 +21,8 @@ use nym_crypto::asymmetric::ed25519;
 use nym_gateway_requests::registration::handshake::client_handshake;
 use nym_gateway_requests::{
    BinaryRequest, ClientControlRequest, ClientRequest, GatewayProtocolVersionExt,
-    SensitiveServerResponse, ServerResponse, SharedGatewayKey, SharedSymmetricKey,
-    CREDENTIAL_UPDATE_V2_PROTOCOL_VERSION, CURRENT_PROTOCOL_VERSION,
+    GatewayRequestsError, SensitiveServerResponse, ServerResponse, SharedGatewayKey,
+    SharedSymmetricKey, CREDENTIAL_UPDATE_V2_PROTOCOL_VERSION, CURRENT_PROTOCOL_VERSION,
 };
 use nym_sphinx::forwarding::packet::MixPacket;
 use nym_statistics_common::clients::connection::ConnectionStatsEvent;
@@ -662,6 +662,7 @@ impl<C, St> GatewayClient<C, St> {

        let supports_aes_gcm_siv = gw_protocol.supports_aes256_gcm_siv();
        let supports_auth_v2 = gw_protocol.supports_authenticate_v2();
+        let supports_key_rotation_info = gw_protocol.supports_key_rotation_packet();

        if !supports_aes_gcm_siv {
            warn!("this gateway is on an old version that doesn't support AES256-GCM-SIV");
@@ -669,6 +670,9 @@ impl<C, St> GatewayClient<C, St> {
        if !supports_auth_v2 {
            warn!("this gateway is on an old version that doesn't support authentication v2")
        }
+        if !supports_key_rotation_info {
+            warn!("this gateway is on an old version that doesn't support key rotation packets")
+        }

        if self.authenticated {
            debug!("Already authenticated");
@@ -849,6 +853,22 @@ impl<C, St> GatewayClient<C, St> {
        }
    }

+    fn mix_packet_to_ws_message(&self, packet: MixPacket) -> Result<Message, GatewayRequestsError> {
+        // note: into_ws_message encrypts the requests and adds a MAC on it. Perhaps it should
+        // be more explicit in the naming?
+        let req = if self.negotiated_protocol.supports_key_rotation_packet() {
+            BinaryRequest::ForwardSphinxV2 { packet }
+        } else {
+            BinaryRequest::ForwardSphinx { packet }
+        };
+
+        req.into_ws_message(
+            self.shared_key
+                .as_ref()
+                .expect("no shared key present even though we're authenticated!"),
+        )
+    }
+
    pub async fn batch_send_mix_packets(
        &mut self,
        packets: Vec<MixPacket>,
@@ -877,13 +897,7 @@ impl<C, St> GatewayClient<C, St> {

        let messages: Result<Vec<_>, _> = packets
            .into_iter()
-            .map(|mix_packet| {
-                BinaryRequest::ForwardSphinx { packet: mix_packet }.into_ws_message(
-                    self.shared_key
-                        .as_ref()
-                        .expect("no shared key present even though we're authenticated!"),
-                )
-            })
+            .map(|mix_packet| self.mix_packet_to_ws_message(mix_packet))
            .collect();

        if let Err(err) = self
@@ -949,13 +963,8 @@ impl<C, St> GatewayClient<C, St> {
        if !self.connection.is_established() {
            return Err(GatewayClientError::ConnectionNotEstablished);
        }
-        // note: into_ws_message encrypts the requests and adds a MAC on it. Perhaps it should
-        // be more explicit in the naming?
-        let msg = BinaryRequest::ForwardSphinx { packet: mix_packet }.into_ws_message(
-            self.shared_key
-                .as_ref()
-                .expect("no shared key present even though we're authenticated!"),
-        )?;
+
+        let msg = self.mix_packet_to_ws_message(mix_packet)?;
        self.send_with_reconnection_on_failure(msg).await
    }

@@ -56,7 +56,7 @@ pub(crate) async fn connect_async(
        }
        .map_err(|err| GatewayClientError::NetworkConnectionFailed {
            address: endpoint.to_owned(),
-            source: err.into(),
+            source: Box::new(tungstenite::Error::from(err)),
        })?;

        #[cfg(unix)]
@@ -72,7 +72,7 @@ pub(crate) async fn connect_async(
            Err(err) => {
                stream = Err(GatewayClientError::NetworkConnectionFailed {
                    address: endpoint.to_owned(),
-                    source: err.into(),
+                    source: Box::new(tungstenite::Error::from(err)),
                });
                continue;
            }
@@ -83,6 +83,6 @@ pub(crate) async fn connect_async(
        .await
        .map_err(|error| GatewayClientError::NetworkConnectionFailed {
            address: endpoint.to_owned(),
-            source: error,
+            source: Box::new(error),
        })
 }
@@ -25,7 +25,7 @@ pub enum GatewayClientError {
    RequestError(#[from] GatewayRequestsError),

    #[error("There was a network error: {0}")]
-    NetworkError(#[from] WsError),
+    NetworkError(Box<WsError>),

    #[error("failed to upgrade our shared key - the gateway sent malformed response")]
    FatalKeyUpgradeFailure,
@@ -41,7 +41,10 @@ pub enum GatewayClientError {
    NetworkErrorWasm(#[from] JsError),

    #[error("connection failed: {address}: {source}")]
-    NetworkConnectionFailed { address: String, source: WsError },
+    NetworkConnectionFailed {
+        address: String,
+        source: Box<WsError>,
+    },

    #[error("no socket address for endpoint: {address}")]
    NoEndpointForConnection { address: String },
@@ -127,10 +130,16 @@ pub enum GatewayClientError {
    ShutdownInProgress,
 }

+impl From<WsError> for GatewayClientError {
+    fn from(error: WsError) -> Self {
+        GatewayClientError::NetworkError(Box::new(error))
+    }
+}
+
 impl GatewayClientError {
    pub fn is_closed_connection(&self) -> bool {
        match self {
-            GatewayClientError::NetworkError(ws_err) => match ws_err {
+            GatewayClientError::NetworkError(ws_err) => match ws_err.as_ref() {
                WsError::AlreadyClosed | WsError::ConnectionClosed => true,
                WsError::Io(io_err) => matches!(
                    io_err.kind(),
@@ -28,7 +28,7 @@ pub(crate) fn cleanup_socket_message(
    msg: Option<Result<Message, WsError>>,
 ) -> Result<Message, GatewayClientError> {
    match msg {
-        Some(msg) => msg.map_err(GatewayClientError::NetworkError),
+        Some(msg) => msg.map_err(GatewayClientError::from),
        None => Err(GatewayClientError::ConnectionAbruptlyClosed),
    }
 }
@@ -39,7 +39,7 @@ pub(crate) fn cleanup_socket_messages(
    match msgs {
        Some(msgs) => msgs
            .into_iter()
-            .map(|msg| msg.map_err(GatewayClientError::NetworkError))
+            .map(|msg| msg.map_err(GatewayClientError::from))
            .collect(),
        None => Err(GatewayClientError::ConnectionAbruptlyClosed),
    }
@@ -16,9 +16,14 @@ tokio-util = { workspace = true, features = ["codec"], optional = true }
 tokio-stream = { workspace = true }

 # internal
+nym-noise = { path = "../../nymnoise" }
 nym-sphinx = { path = "../../nymsphinx" }
 nym-task = { path = "../../task", optional = true }

 [features]
 default = ["client"]
-client = ["tokio-util", "nym-task", "tokio/net", "tokio/rt"]
+client = ["tokio-util", "nym-task", "tokio/net", "tokio/rt"]
+
+[dev-dependencies]
+nym-crypto = { path = "../../crypto" }
+rand = { workspace = true }
@@ -3,11 +3,11 @@

 use dashmap::DashMap;
 use futures::StreamExt;
-use nym_sphinx::addressing::nodes::NymNodeRoutingAddress;
+use nym_noise::config::NoiseConfig;
+use nym_noise::upgrade_noise_initiator;
+use nym_sphinx::forwarding::packet::MixPacket;
 use nym_sphinx::framing::codec::NymCodec;
 use nym_sphinx::framing::packet::FramedNymPacket;
-use nym_sphinx::params::PacketType;
-use nym_sphinx::NymPacket;
 use std::io;
 use std::net::SocketAddr;
 use std::ops::Deref;
@@ -49,23 +49,19 @@ impl Config {
 pub trait SendWithoutResponse {
    // Without response in this context means we will not listen for anything we might get back (not
    // that we should get anything), including any possible io errors
-    fn send_without_response(
-        &self,
-        address: NymNodeRoutingAddress,
-        packet: NymPacket,
-        packet_type: PacketType,
-    ) -> io::Result<()>;
+    fn send_without_response(&self, packet: MixPacket) -> io::Result<()>;
 }

 pub struct Client {
    active_connections: ActiveConnections,
+    noise_config: NoiseConfig,
    connections_count: Arc<AtomicUsize>,
    config: Config,
 }

 #[derive(Default, Clone)]
 pub struct ActiveConnections {
-    inner: Arc<DashMap<NymNodeRoutingAddress, ConnectionSender>>,
+    inner: Arc<DashMap<SocketAddr, ConnectionSender>>,
 }

 impl ActiveConnections {
@@ -82,7 +78,7 @@ impl ActiveConnections {
 }

 impl Deref for ActiveConnections {
-    type Target = DashMap<NymNodeRoutingAddress, ConnectionSender>;
+    type Target = DashMap<SocketAddr, ConnectionSender>;
    fn deref(&self) -> &Self::Target {
        &self.inner
    }
@@ -104,6 +100,7 @@ impl ConnectionSender {

 struct ManagedConnection {
    address: SocketAddr,
+    noise_config: NoiseConfig,
    message_receiver: ReceiverStream<FramedNymPacket>,
    connection_timeout: Duration,
    current_reconnection: Arc<AtomicU32>,
@@ -112,12 +109,14 @@ struct ManagedConnection {
 impl ManagedConnection {
    fn new(
        address: SocketAddr,
+        noise_config: NoiseConfig,
        message_receiver: mpsc::Receiver<FramedNymPacket>,
        connection_timeout: Duration,
        current_reconnection: Arc<AtomicU32>,
    ) -> Self {
        ManagedConnection {
            address,
+            noise_config,
            message_receiver: ReceiverStream::new(message_receiver),
            connection_timeout,
            current_reconnection,
@@ -132,9 +131,21 @@ impl ManagedConnection {
            Ok(stream_res) => match stream_res {
                Ok(stream) => {
                    debug!("Managed to establish connection to {}", self.address);
-                    // if we managed to connect, reset the reconnection count (whatever it might have been)
+
+                    let noise_stream =
+                        match upgrade_noise_initiator(stream, &self.noise_config).await {
+                            Ok(noise_stream) => noise_stream,
+                            Err(err) => {
+                                error!("Failed to perform Noise handshake with {address} - {err}");
+                                // we failed to finish the noise handshake - increase reconnection attempt
+                                self.current_reconnection.fetch_add(1, Ordering::SeqCst);
+                                return;
+                            }
+                        };
+                    // if we managed to connect AND do the noise handshake, reset the reconnection count (whatever it might have been)
                    self.current_reconnection.store(0, Ordering::Release);
-                    Framed::new(stream, NymCodec)
+                    debug!("Noise initiator handshake completed for {:?}", address);
+                    Framed::new(noise_stream, NymCodec)
                }
                Err(err) => {
                    debug!("failed to establish connection to {address} (err: {err})",);
@@ -167,9 +178,14 @@ impl ManagedConnection {
 }

 impl Client {
-    pub fn new(config: Config, connections_count: Arc<AtomicUsize>) -> Client {
+    pub fn new(
+        config: Config,
+        noise_config: NoiseConfig,
+        connections_count: Arc<AtomicUsize>,
+    ) -> Client {
        Client {
            active_connections: Default::default(),
+            noise_config,
            connections_count,
            config,
        }
@@ -196,7 +212,7 @@ impl Client {
        }
    }

-    fn make_connection(&self, address: NymNodeRoutingAddress, pending_packet: FramedNymPacket) {
+    fn make_connection(&self, address: SocketAddr, pending_packet: FramedNymPacket) {
        let (sender, receiver) = mpsc::channel(self.config.maximum_connection_buffer_size);

        // this CAN'T fail because we just created the channel which has a non-zero capacity
@@ -224,6 +240,7 @@ impl Client {
        let initial_connection_timeout = self.config.initial_connection_timeout;

        let connections_count = self.connections_count.clone();
+        let noise_config = self.noise_config.clone();
        tokio::spawn(async move {
            // before executing the manager, wait for what was specified, if anything
            if let Some(backoff) = backoff {
@@ -233,7 +250,8 @@ impl Client {

            connections_count.fetch_add(1, Ordering::SeqCst);
            ManagedConnection::new(
-                address.into(),
+                address,
+                noise_config,
                receiver,
                initial_connection_timeout,
                current_reconnection_attempt,
@@ -246,18 +264,14 @@ impl Client {
 }

 impl SendWithoutResponse for Client {
-    fn send_without_response(
-        &self,
-        address: NymNodeRoutingAddress,
-        packet: NymPacket,
-        packet_type: PacketType,
-    ) -> io::Result<()> {
-        trace!("Sending packet to {address:?}");
-        let framed_packet = FramedNymPacket::new(packet, packet_type);
+    fn send_without_response(&self, packet: MixPacket) -> io::Result<()> {
+        let address = packet.next_hop_address();
+        trace!("Sending packet to {address}");
+        let framed_packet = FramedNymPacket::from(packet);

        let Some(sender) = self.active_connections.get_mut(&address) else {
            // there was never a connection to begin with
-            debug!("establishing initial connection to {}", address);
+            debug!("establishing initial connection to {address}");
            // it's not a 'big' error, but we did not manage to send the packet, but queue the packet
            // for sending for as soon as the connection is created
            self.make_connection(address, framed_packet);
@@ -302,8 +316,12 @@ impl SendWithoutResponse for Client {
 #[cfg(test)]
 mod tests {
    use super::*;
+    use nym_crypto::asymmetric::x25519;
+    use nym_noise::config::NoiseNetworkView;
+    use rand::rngs::OsRng;

    fn dummy_client() -> Client {
+        let mut rng = OsRng; //for test only, so we don't care if rng source isn't crypto grade
        Client::new(
            Config {
                initial_reconnection_backoff: Duration::from_millis(10_000),
@@ -311,6 +329,11 @@ mod tests {
                initial_connection_timeout: Duration::from_millis(1_500),
                maximum_connection_buffer_size: 128,
            },
+            NoiseConfig::new(
+                Arc::new(x25519::KeyPair::new(&mut rng)),
+                NoiseNetworkView::new_empty(),
+                Duration::from_millis(1_500),
+            ),
            Default::default(),
        )
    }
@@ -19,6 +19,7 @@ nym-vesting-contract-common = { path = "../../cosmwasm-smart-contracts/vesting-c
 nym-ecash-contract-common = { path = "../../cosmwasm-smart-contracts/ecash-contract" }
 nym-multisig-contract-common = { path = "../../cosmwasm-smart-contracts/multisig-contract" }
 nym-group-contract-common = { path = "../../cosmwasm-smart-contracts/group-contract" }
+nym-performance-contract-common = { path = "../../cosmwasm-smart-contracts/nym-performance-contract" }
 nym-serde-helpers = { path = "../../serde-helpers", features = ["hex", "base64"] }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
@@ -16,8 +16,8 @@ async fn main() {
    let prefix = "n";
    let denom: Denom = "unym".parse().unwrap();
    let signer_mnemonic: bip39::Mnemonic = "<MNEMONIC WITH FUNDS HERE>".parse().unwrap();
-    let validator = "https://qwerty-validator.qa.nymte.ch";
-    let to_address: AccountId = "n19kdst4srf76xgwe55jg32mpcpcyf6aqgp6qrdk".parse().unwrap();
+    let validator = "https://rpc.sandbox.nymtech.net";
+    let to_address: AccountId = "n1pefc2utwpy5w78p2kqdsfmpjxfwmn9d39k5mqa".parse().unwrap();

    let signer = DirectSecp256k1HdWallet::from_mnemonic(prefix, signer_mnemonic);
    let signer_address = signer.try_derive_accounts().unwrap()[0].address().clone();
@@ -25,7 +25,9 @@ use nym_api_requests::models::{
    NymNodeDescription, RewardEstimationResponse, StakeSaturationResponse,
 };
 use nym_api_requests::models::{LegacyDescribedGateway, MixNodeBondAnnotated};
-use nym_api_requests::nym_nodes::{NodesByAddressesResponse, SkimmedNode};
+use nym_api_requests::nym_nodes::{
+    NodesByAddressesResponse, SemiSkimmedNodesWithMetadata, SkimmedNode, SkimmedNodesWithMetadata,
+};
 use nym_coconut_dkg_common::types::EpochId;
 use nym_http_api_client::UserAgent;
 use nym_mixnet_contract_common::EpochRewardedSet;
@@ -46,6 +48,46 @@ use crate::rpc::http_client;
 #[cfg(feature = "http-client")]
 use crate::{DirectSigningHttpRpcValidatorClient, HttpRpcClient, QueryHttpRpcValidatorClient};

+// a simple helper macro to define to repeatedly call a paged query until a full response is constructed
+macro_rules! collect_paged_skimmed_v2 {
+    ( $self:ident, $f: ident ) => {{
+        // unroll first loop iteration in order to obtain the metadata
+        let mut page = 0;
+        let res = $self
+            .nym_api
+            .$f(false, Some(page), None, $self.use_bincode)
+            .await?;
+        let mut nodes = res.nodes.data;
+        let metadata = res.metadata;
+
+        if res.nodes.pagination.total == nodes.len() {
+            return Ok(SkimmedNodesWithMetadata::new(nodes, metadata));
+        }
+
+        page += 1;
+
+        loop {
+            let mut res = $self
+                .nym_api
+                .$f(false, Some(page), None, $self.use_bincode)
+                .await?;
+
+            if metadata != res.metadata {
+                return Err(ValidatorClientError::InconsistentPagedMetadata);
+            }
+
+            nodes.append(&mut res.nodes.data);
+            if nodes.len() < res.nodes.pagination.total {
+                page += 1
+            } else {
+                break;
+            }
+        }
+
+        Ok(SkimmedNodesWithMetadata::new(nodes, metadata))
+    }};
+}
+
 #[must_use]
 #[derive(Debug, Clone)]
 pub struct Config {
@@ -200,11 +242,11 @@ impl<C, S> Client<C, S> {
 #[allow(deprecated)]
 impl<C, S> Client<C, S> {
    pub fn api_url(&self) -> &Url {
-        self.nym_api.current_url()
+        self.nym_api.current_url().as_ref()
    }

    pub fn change_nym_api(&mut self, new_endpoint: Url) {
-        self.nym_api.change_base_url(new_endpoint)
+        self.nym_api.change_base_urls(vec![new_endpoint.into()])
    }

    #[deprecated]
@@ -402,11 +444,11 @@ impl NymApiClient {
    }

    pub fn api_url(&self) -> &Url {
-        self.nym_api.current_url()
+        self.nym_api.current_url().as_ref()
    }

    pub fn change_nym_api(&mut self, new_endpoint: Url) {
-        self.nym_api.change_base_url(new_endpoint);
+        self.nym_api.change_base_urls(vec![new_endpoint.into()]);
    }

    #[deprecated(note = "use get_all_basic_active_mixing_assigned_nodes instead")]
@@ -425,92 +467,93 @@ impl NymApiClient {

    /// retrieve basic information for nodes are capable of operating as an entry gateway
    /// this includes legacy gateways and nym-nodes
+    #[deprecated(note = "use get_all_basic_entry_assigned_nodes_with_metadata instead")]
    pub async fn get_all_basic_entry_assigned_nodes(
        &self,
    ) -> Result<Vec<SkimmedNode>, 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 nodes = Vec::new();
+        self.get_all_basic_entry_assigned_nodes_v2()
+            .await
+            .map(|res| res.nodes)
+    }

-        loop {
-            let mut res = self
-                .nym_api
-                .get_basic_entry_assigned_nodes(false, Some(page), None, self.use_bincode)
-                .await?;
-
-            nodes.append(&mut res.nodes.data);
-            if nodes.len() < res.nodes.pagination.total {
-                page += 1
-            } else {
-                break;
-            }
-        }
-
-        Ok(nodes)
+    pub async fn get_all_basic_entry_assigned_nodes_v2(
+        &self,
+    ) -> Result<SkimmedNodesWithMetadata, ValidatorClientError> {
+        collect_paged_skimmed_v2!(self, get_basic_entry_assigned_nodes_v2)
    }

    /// retrieve basic information for nodes that got assigned 'mixing' node in this epoch
    /// this includes legacy mixnodes and nym-nodes
+    #[deprecated(note = "use get_all_basic_active_mixing_assigned_nodes_with_metadata instead")]
    pub async fn get_all_basic_active_mixing_assigned_nodes(
        &self,
    ) -> Result<Vec<SkimmedNode>, 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 nodes = Vec::new();
+        self.get_all_basic_active_mixing_assigned_nodes_with_metadata()
+            .await
+            .map(|res| res.nodes)
+    }

-        loop {
-            let mut res = self
-                .nym_api
-                .get_basic_active_mixing_assigned_nodes(false, Some(page), None, self.use_bincode)
-                .await?;
-
-            nodes.append(&mut res.nodes.data);
-            if nodes.len() < res.nodes.pagination.total {
-                page += 1
-            } else {
-                break;
-            }
-        }
-
-        Ok(nodes)
+    pub async fn get_all_basic_active_mixing_assigned_nodes_with_metadata(
+        &self,
+    ) -> Result<SkimmedNodesWithMetadata, ValidatorClientError> {
+        collect_paged_skimmed_v2!(self, get_basic_active_mixing_assigned_nodes_v2)
    }

    /// retrieve basic information for nodes are capable of operating as a mixnode
    /// this includes legacy mixnodes and nym-nodes
+    #[deprecated(note = "use get_all_basic_mixing_capable_nodes_with_metadata instead")]
    pub async fn get_all_basic_mixing_capable_nodes(
        &self,
    ) -> Result<Vec<SkimmedNode>, 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 nodes = Vec::new();
+        self.get_all_basic_mixing_capable_nodes_with_metadata()
+            .await
+            .map(|res| res.nodes)
+    }

-        loop {
-            let mut res = self
-                .nym_api
-                .get_basic_mixing_capable_nodes(false, Some(page), None, self.use_bincode)
-                .await?;
-
-            nodes.append(&mut res.nodes.data);
-            if nodes.len() < res.nodes.pagination.total {
-                page += 1
-            } else {
-                break;
-            }
-        }
-
-        Ok(nodes)
+    pub async fn get_all_basic_mixing_capable_nodes_with_metadata(
+        &self,
+    ) -> Result<SkimmedNodesWithMetadata, ValidatorClientError> {
+        collect_paged_skimmed_v2!(self, get_basic_mixing_capable_nodes_v2)
    }

    /// retrieve basic information for all bonded nodes on the network
+    #[deprecated(note = "use get_all_basic_nodes_with_metadata instead")]
    pub async fn get_all_basic_nodes(&self) -> Result<Vec<SkimmedNode>, ValidatorClientError> {
-        // TODO: deal with paging in macro or some helper function or something, because it's the same pattern everywhere
+        self.get_all_basic_nodes_with_metadata()
+            .await
+            .map(|res| res.nodes)
+    }
+
+    pub async fn get_all_basic_nodes_with_metadata(
+        &self,
+    ) -> Result<SkimmedNodesWithMetadata, ValidatorClientError> {
+        collect_paged_skimmed_v2!(self, get_basic_nodes_v2)
+    }
+
+    /// retrieve expanded information for all bonded nodes on the network
+    pub async fn get_all_expanded_nodes(
+        &self,
+    ) -> Result<SemiSkimmedNodesWithMetadata, ValidatorClientError> {
+        // Unroll the first iteration to get the metadata
        let mut page = 0;
-        let mut nodes = Vec::new();
+
+        let res = self
+            .nym_api
+            .get_expanded_nodes(false, Some(page), None)
+            .await?;
+        let mut nodes = res.nodes.data;
+        let metadata = res.metadata;
+
+        if res.nodes.pagination.total == nodes.len() {
+            return Ok(SemiSkimmedNodesWithMetadata::new(nodes, metadata));
+        }
+
+        page += 1;

        loop {
            let mut res = self
                .nym_api
-                .get_basic_nodes(false, Some(page), None, self.use_bincode)
+                .get_expanded_nodes(false, Some(page), None)
                .await?;

            nodes.append(&mut res.nodes.data);
@@ -521,7 +564,7 @@ impl NymApiClient {
            }
        }

-        Ok(nodes)
+        Ok(SemiSkimmedNodesWithMetadata::new(nodes, metadata))
    }

    pub async fn health(&self) -> Result<ApiHealthResponse, ValidatorClientError> {
@@ -22,6 +22,9 @@ pub enum ValidatorClientError {
    #[error("nyxd request failed: {0}")]
    NyxdError(#[from] crate::nyxd::error::NyxdError),

+    #[error("the response metadata has changed between pages")]
+    InconsistentPagedMetadata,
+
    #[error("No validator API url has been provided")]
    NoAPIUrlAvailable,
 }
@@ -14,11 +14,12 @@ use nym_api_requests::ecash::models::{
 use nym_api_requests::ecash::VerificationKeyResponse;
 use nym_api_requests::models::{
    AnnotationResponse, ApiHealthResponse, BinaryBuildInformationOwned, ChainStatusResponse,
-    LegacyDescribedMixNode, NodePerformanceResponse, NodeRefreshBody, NymNodeDescription,
-    PerformanceHistoryResponse, RewardedSetResponse,
+    KeyRotationInfoResponse, LegacyDescribedMixNode, NodePerformanceResponse, NodeRefreshBody,
+    NymNodeDescription, PerformanceHistoryResponse, RewardedSetResponse,
 };
 use nym_api_requests::nym_nodes::{
-    NodesByAddressesRequestBody, NodesByAddressesResponse, PaginatedCachedNodesResponse,
+    NodesByAddressesRequestBody, NodesByAddressesResponse, PaginatedCachedNodesResponseV1,
+    PaginatedCachedNodesResponseV2,
 };
 use nym_api_requests::pagination::PaginatedResponse;
 pub use nym_api_requests::{
@@ -34,7 +35,7 @@ pub use nym_api_requests::{
        MixnodeStatusResponse, MixnodeUptimeHistoryResponse, RewardEstimationResponse,
        StakeSaturationResponse, UptimeResponse,
    },
-    nym_nodes::{CachedNodesResponse, SkimmedNode},
+    nym_nodes::{CachedNodesResponse, SemiSkimmedNode, SkimmedNode},
    NymNetworkDetailsResponse,
 };
 use nym_contracts_common::IdentityKey;
@@ -62,7 +63,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn health(&self) -> Result<ApiHealthResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::API_STATUS_ROUTES,
                routes::HEALTH,
            ],
@@ -75,7 +76,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn build_information(&self) -> Result<BinaryBuildInformationOwned, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::API_STATUS_ROUTES,
                routes::BUILD_INFORMATION,
            ],
@@ -87,7 +88,7 @@ pub trait NymApiClientExt: ApiClient {
    #[deprecated]
    #[instrument(level = "debug", skip(self))]
    async fn get_mixnodes(&self) -> Result<Vec<MixNodeDetails>, NymAPIError> {
-        self.get_json(&[routes::API_VERSION, routes::MIXNODES], NO_PARAMS)
+        self.get_json(&[routes::V1_API_VERSION, routes::MIXNODES], NO_PARAMS)
            .await
    }

@@ -96,7 +97,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn get_mixnodes_detailed(&self) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::MIXNODES,
                routes::DETAILED,
@@ -111,7 +112,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn get_gateways_detailed(&self) -> Result<Vec<GatewayBondAnnotated>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::GATEWAYS,
                routes::DETAILED,
@@ -128,7 +129,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<Vec<GatewayBondAnnotated>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::GATEWAYS,
                routes::DETAILED_UNFILTERED,
@@ -145,7 +146,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::MIXNODES,
                routes::DETAILED_UNFILTERED,
@@ -158,7 +159,7 @@ pub trait NymApiClientExt: ApiClient {
    #[deprecated]
    #[instrument(level = "debug", skip(self))]
    async fn get_gateways(&self) -> Result<Vec<GatewayBond>, NymAPIError> {
-        self.get_json(&[routes::API_VERSION, routes::GATEWAYS], NO_PARAMS)
+        self.get_json(&[routes::V1_API_VERSION, routes::GATEWAYS], NO_PARAMS)
            .await
    }

@@ -166,7 +167,7 @@ pub trait NymApiClientExt: ApiClient {
    #[instrument(level = "debug", skip(self))]
    async fn get_gateways_described(&self) -> Result<Vec<LegacyDescribedGateway>, NymAPIError> {
        self.get_json(
-            &[routes::API_VERSION, routes::GATEWAYS, routes::DESCRIBED],
+            &[routes::V1_API_VERSION, routes::GATEWAYS, routes::DESCRIBED],
            NO_PARAMS,
        )
        .await
@@ -176,7 +177,7 @@ pub trait NymApiClientExt: ApiClient {
    #[instrument(level = "debug", skip(self))]
    async fn get_mixnodes_described(&self) -> Result<Vec<LegacyDescribedMixNode>, NymAPIError> {
        self.get_json(
-            &[routes::API_VERSION, routes::MIXNODES, routes::DESCRIBED],
+            &[routes::V1_API_VERSION, routes::MIXNODES, routes::DESCRIBED],
            NO_PARAMS,
        )
        .await
@@ -201,7 +202,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::NYM_NODES_ROUTES,
                routes::NYM_NODES_PERFORMANCE_HISTORY,
                &*node_id.to_string(),
@@ -229,7 +230,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::NYM_NODES_ROUTES,
                routes::NYM_NODES_DESCRIBED,
            ],
@@ -256,7 +257,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::NYM_NODES_ROUTES,
                routes::NYM_NODES_BONDED,
            ],
@@ -270,7 +271,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn get_basic_mixnodes(&self) -> Result<CachedNodesResponse<SkimmedNode>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                "unstable",
                routes::NYM_NODES_ROUTES,
                "mixnodes",
@@ -286,7 +287,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn get_basic_gateways(&self) -> Result<CachedNodesResponse<SkimmedNode>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                "unstable",
                routes::NYM_NODES_ROUTES,
                "gateways",
@@ -301,7 +302,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn get_rewarded_set(&self) -> Result<RewardedSetResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::NYM_NODES_ROUTES,
                routes::NYM_NODES_REWARDED_SET,
            ],
@@ -312,6 +313,7 @@ pub trait NymApiClientExt: ApiClient {

    /// retrieve basic information for nodes are capable of operating as an entry gateway
    /// this includes legacy gateways and nym-nodes
+    #[deprecated(note = "use get_basic_entry_assigned_nodes_v2")]
    #[instrument(level = "debug", skip(self))]
    async fn get_basic_entry_assigned_nodes(
        &self,
@@ -319,7 +321,7 @@ pub trait NymApiClientExt: ApiClient {
        page: Option<u32>,
        per_page: Option<u32>,
        use_bincode: bool,
-    ) -> Result<PaginatedCachedNodesResponse<SkimmedNode>, NymAPIError> {
+    ) -> Result<PaginatedCachedNodesResponseV1<SkimmedNode>, NymAPIError> {
        let mut params = Vec::new();

        if no_legacy {
@@ -340,7 +342,49 @@ pub trait NymApiClientExt: ApiClient {

        self.get_response(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
+                "unstable",
+                routes::NYM_NODES_ROUTES,
+                "skimmed",
+                "entry-gateways",
+                "all",
+            ],
+            &params,
+        )
+        .await
+    }
+
+    /// retrieve basic information for nodes are capable of operating as an entry gateway
+    /// this includes legacy gateways and nym-nodes
+    #[instrument(level = "debug", skip(self))]
+    async fn get_basic_entry_assigned_nodes_v2(
+        &self,
+        no_legacy: bool,
+        page: Option<u32>,
+        per_page: Option<u32>,
+        use_bincode: bool,
+    ) -> Result<PaginatedCachedNodesResponseV2<SkimmedNode>, NymAPIError> {
+        let mut params = Vec::new();
+
+        if no_legacy {
+            params.push(("no_legacy", "true".to_string()))
+        }
+
+        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()))
+        }
+
+        if use_bincode {
+            params.push(("output", "bincode".to_string()))
+        }
+
+        self.get_response(
+            &[
+                routes::V2_API_VERSION,
                "unstable",
                routes::NYM_NODES_ROUTES,
                "skimmed",
@@ -354,6 +398,7 @@ pub trait NymApiClientExt: ApiClient {

    /// retrieve basic information for nodes that got assigned 'mixing' node in this epoch
    /// this includes legacy mixnodes and nym-nodes
+    #[deprecated(note = "use get_basic_active_mixing_assigned_nodes_v2")]
    #[instrument(level = "debug", skip(self))]
    async fn get_basic_active_mixing_assigned_nodes(
        &self,
@@ -361,7 +406,7 @@ pub trait NymApiClientExt: ApiClient {
        page: Option<u32>,
        per_page: Option<u32>,
        use_bincode: bool,
-    ) -> Result<PaginatedCachedNodesResponse<SkimmedNode>, NymAPIError> {
+    ) -> Result<PaginatedCachedNodesResponseV1<SkimmedNode>, NymAPIError> {
        let mut params = Vec::new();

        if no_legacy {
@@ -382,7 +427,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_response(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                "unstable",
                routes::NYM_NODES_ROUTES,
                "skimmed",
@@ -397,13 +442,13 @@ pub trait NymApiClientExt: ApiClient {
    /// retrieve basic information for nodes that got assigned 'mixing' node in this epoch
    /// this includes legacy mixnodes and nym-nodes
    #[instrument(level = "debug", skip(self))]
-    async fn get_basic_mixing_capable_nodes(
+    async fn get_basic_active_mixing_assigned_nodes_v2(
        &self,
        no_legacy: bool,
        page: Option<u32>,
        per_page: Option<u32>,
        use_bincode: bool,
-    ) -> Result<PaginatedCachedNodesResponse<SkimmedNode>, NymAPIError> {
+    ) -> Result<PaginatedCachedNodesResponseV2<SkimmedNode>, NymAPIError> {
        let mut params = Vec::new();

        if no_legacy {
@@ -424,7 +469,50 @@ pub trait NymApiClientExt: ApiClient {

        self.get_response(
            &[
-                routes::API_VERSION,
+                routes::V2_API_VERSION,
+                "unstable",
+                routes::NYM_NODES_ROUTES,
+                "skimmed",
+                "mixnodes",
+                "active",
+            ],
+            &params,
+        )
+        .await
+    }
+
+    /// retrieve basic information for nodes that got assigned 'mixing' node in this epoch
+    /// this includes legacy mixnodes and nym-nodes
+    #[deprecated(note = "use get_basic_mixing_capable_nodes_v2")]
+    #[instrument(level = "debug", skip(self))]
+    async fn get_basic_mixing_capable_nodes(
+        &self,
+        no_legacy: bool,
+        page: Option<u32>,
+        per_page: Option<u32>,
+        use_bincode: bool,
+    ) -> Result<PaginatedCachedNodesResponseV1<SkimmedNode>, NymAPIError> {
+        let mut params = Vec::new();
+
+        if no_legacy {
+            params.push(("no_legacy", "true".to_string()))
+        }
+
+        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()))
+        }
+
+        if use_bincode {
+            params.push(("output", "bincode".to_string()))
+        }
+
+        self.get_response(
+            &[
+                routes::V1_API_VERSION,
                "unstable",
                routes::NYM_NODES_ROUTES,
                "skimmed",
@@ -436,14 +524,16 @@ pub trait NymApiClientExt: ApiClient {
        .await
    }

+    /// retrieve basic information for nodes that got assigned 'mixing' node in this epoch
+    /// this includes legacy mixnodes and nym-nodes
    #[instrument(level = "debug", skip(self))]
-    async fn get_basic_nodes(
+    async fn get_basic_mixing_capable_nodes_v2(
        &self,
        no_legacy: bool,
        page: Option<u32>,
        per_page: Option<u32>,
        use_bincode: bool,
-    ) -> Result<PaginatedCachedNodesResponse<SkimmedNode>, NymAPIError> {
+    ) -> Result<PaginatedCachedNodesResponseV2<SkimmedNode>, NymAPIError> {
        let mut params = Vec::new();

        if no_legacy {
@@ -464,10 +554,122 @@ pub trait NymApiClientExt: ApiClient {

        self.get_response(
            &[
-                routes::API_VERSION,
+                routes::V2_API_VERSION,
                "unstable",
                routes::NYM_NODES_ROUTES,
                "skimmed",
+                "mixnodes",
+                "all",
+            ],
+            &params,
+        )
+        .await
+    }
+
+    #[deprecated(note = "use get_basic_nodes_v2")]
+    #[instrument(level = "debug", skip(self))]
+    async fn get_basic_nodes(
+        &self,
+        no_legacy: bool,
+        page: Option<u32>,
+        per_page: Option<u32>,
+        use_bincode: bool,
+    ) -> Result<PaginatedCachedNodesResponseV1<SkimmedNode>, NymAPIError> {
+        let mut params = Vec::new();
+
+        if no_legacy {
+            params.push(("no_legacy", "true".to_string()))
+        }
+
+        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()))
+        }
+
+        if use_bincode {
+            params.push(("output", "bincode".to_string()))
+        }
+
+        self.get_response(
+            &[
+                routes::V1_API_VERSION,
+                "unstable",
+                routes::NYM_NODES_ROUTES,
+                "skimmed",
+            ],
+            &params,
+        )
+        .await
+    }
+
+    #[instrument(level = "debug", skip(self))]
+    async fn get_basic_nodes_v2(
+        &self,
+        no_legacy: bool,
+        page: Option<u32>,
+        per_page: Option<u32>,
+        use_bincode: bool,
+    ) -> Result<PaginatedCachedNodesResponseV2<SkimmedNode>, NymAPIError> {
+        let mut params = Vec::new();
+
+        if no_legacy {
+            params.push(("no_legacy", "true".to_string()))
+        }
+
+        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()))
+        }
+
+        if use_bincode {
+            params.push(("output", "bincode".to_string()))
+        }
+
+        self.get_response(
+            &[
+                routes::V2_API_VERSION,
+                "unstable",
+                routes::NYM_NODES_ROUTES,
+                "skimmed",
+            ],
+            &params,
+        )
+        .await
+    }
+
+    #[instrument(level = "debug", skip(self))]
+    async fn get_expanded_nodes(
+        &self,
+        no_legacy: bool,
+        page: Option<u32>,
+        per_page: Option<u32>,
+    ) -> Result<PaginatedCachedNodesResponseV2<SemiSkimmedNode>, NymAPIError> {
+        let mut params = Vec::new();
+
+        if no_legacy {
+            params.push(("no_legacy", "true".to_string()))
+        }
+
+        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::V2_API_VERSION,
+                "unstable",
+                routes::NYM_NODES_ROUTES,
+                "semi-skimmed",
            ],
            &params,
        )
@@ -478,7 +680,7 @@ pub trait NymApiClientExt: ApiClient {
    #[instrument(level = "debug", skip(self))]
    async fn get_active_mixnodes(&self) -> Result<Vec<MixNodeDetails>, NymAPIError> {
        self.get_json(
-            &[routes::API_VERSION, routes::MIXNODES, routes::ACTIVE],
+            &[routes::V1_API_VERSION, routes::MIXNODES, routes::ACTIVE],
            NO_PARAMS,
        )
        .await
@@ -489,7 +691,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn get_active_mixnodes_detailed(&self) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::MIXNODES,
                routes::ACTIVE,
@@ -504,7 +706,7 @@ pub trait NymApiClientExt: ApiClient {
    #[instrument(level = "debug", skip(self))]
    async fn get_rewarded_mixnodes(&self) -> Result<Vec<MixNodeDetails>, NymAPIError> {
        self.get_json(
-            &[routes::API_VERSION, routes::MIXNODES, routes::REWARDED],
+            &[routes::V1_API_VERSION, routes::MIXNODES, routes::REWARDED],
            NO_PARAMS,
        )
        .await
@@ -518,7 +720,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<MixnodeStatusReportResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -537,7 +739,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<GatewayStatusReportResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::GATEWAY,
                identity,
@@ -556,7 +758,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<MixnodeUptimeHistoryResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -575,7 +777,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<GatewayUptimeHistoryResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::GATEWAY,
                identity,
@@ -593,7 +795,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS,
                routes::MIXNODES,
                routes::REWARDED,
@@ -614,7 +816,7 @@ pub trait NymApiClientExt: ApiClient {
        if let Some(since) = since {
            self.get_json(
                &[
-                    routes::API_VERSION,
+                    routes::V1_API_VERSION,
                    routes::STATUS_ROUTES,
                    routes::GATEWAY,
                    identity,
@@ -626,7 +828,7 @@ pub trait NymApiClientExt: ApiClient {
        } else {
            self.get_json(
                &[
-                    routes::API_VERSION,
+                    routes::V1_API_VERSION,
                    routes::STATUS_ROUTES,
                    routes::GATEWAY,
                    identity,
@@ -647,7 +849,7 @@ pub trait NymApiClientExt: ApiClient {
        if let Some(since) = since {
            self.get_json(
                &[
-                    routes::API_VERSION,
+                    routes::V1_API_VERSION,
                    routes::STATUS_ROUTES,
                    routes::MIXNODE,
                    &mix_id.to_string(),
@@ -659,7 +861,7 @@ pub trait NymApiClientExt: ApiClient {
        } else {
            self.get_json(
                &[
-                    routes::API_VERSION,
+                    routes::V1_API_VERSION,
                    routes::STATUS_ROUTES,
                    routes::MIXNODE,
                    &mix_id.to_string(),
@@ -679,7 +881,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<MixnodeStatusResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS_ROUTES,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -698,7 +900,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<RewardEstimationResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS_ROUTES,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -718,7 +920,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<RewardEstimationResponse, NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS_ROUTES,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -738,7 +940,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<StakeSaturationResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS_ROUTES,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -758,7 +960,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<nym_api_requests::models::InclusionProbabilityResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS_ROUTES,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -776,7 +978,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<NodePerformanceResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::NYM_NODES_ROUTES,
                routes::NYM_NODES_PERFORMANCE,
                &node_id.to_string(),
@@ -792,7 +994,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<AnnotationResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::NYM_NODES_ROUTES,
                routes::NYM_NODES_ANNOTATION,
                &node_id.to_string(),
@@ -806,7 +1008,7 @@ pub trait NymApiClientExt: ApiClient {
    async fn get_mixnode_avg_uptime(&self, mix_id: NodeId) -> Result<UptimeResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::STATUS_ROUTES,
                routes::MIXNODE,
                &mix_id.to_string(),
@@ -821,7 +1023,11 @@ pub trait NymApiClientExt: ApiClient {
    #[instrument(level = "debug", skip(self))]
    async fn get_mixnodes_blacklisted(&self) -> Result<Vec<NodeId>, NymAPIError> {
        self.get_json(
-            &[routes::API_VERSION, routes::MIXNODES, routes::BLACKLISTED],
+            &[
+                routes::V1_API_VERSION,
+                routes::MIXNODES,
+                routes::BLACKLISTED,
+            ],
            NO_PARAMS,
        )
        .await
@@ -831,7 +1037,11 @@ pub trait NymApiClientExt: ApiClient {
    #[instrument(level = "debug", skip(self))]
    async fn get_gateways_blacklisted(&self) -> Result<Vec<IdentityKey>, NymAPIError> {
        self.get_json(
-            &[routes::API_VERSION, routes::GATEWAYS, routes::BLACKLISTED],
+            &[
+                routes::V1_API_VERSION,
+                routes::GATEWAYS,
+                routes::BLACKLISTED,
+            ],
            NO_PARAMS,
        )
        .await
@@ -844,7 +1054,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<BlindedSignatureResponse, NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::ECASH_BLIND_SIGN,
            ],
@@ -861,7 +1071,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<EcashTicketVerificationResponse, NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::VERIFY_ECASH_TICKET,
            ],
@@ -878,7 +1088,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<EcashBatchTicketRedemptionResponse, NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::BATCH_REDEEM_ECASH_TICKETS,
            ],
@@ -903,7 +1113,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::PARTIAL_EXPIRATION_DATE_SIGNATURES,
            ],
@@ -924,7 +1134,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::PARTIAL_COIN_INDICES_SIGNATURES,
            ],
@@ -948,7 +1158,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::GLOBAL_EXPIRATION_DATE_SIGNATURES,
            ],
@@ -969,7 +1179,7 @@ pub trait NymApiClientExt: ApiClient {

        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::GLOBAL_COIN_INDICES_SIGNATURES,
            ],
@@ -989,7 +1199,7 @@ pub trait NymApiClientExt: ApiClient {
        };
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                ecash::MASTER_VERIFICATION_KEY,
            ],
@@ -1005,7 +1215,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<(), NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::NYM_NODES_ROUTES,
                routes::NYM_NODES_REFRESH_DESCRIBED,
            ],
@@ -1022,7 +1232,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<IssuedTicketbooksForResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::ECASH_ISSUED_TICKETBOOKS_FOR,
                &expiration_date.to_string(),
@@ -1039,7 +1249,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<IssuedTicketbooksForCountResponse, NymAPIError> {
        self.get_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::ECASH_ISSUED_TICKETBOOKS_FOR_COUNT,
                &expiration_date.to_string(),
@@ -1056,7 +1266,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<IssuedTicketbooksChallengeCommitmentResponse, NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::ECASH_ISSUED_TICKETBOOKS_CHALLENGE_COMMITMENT,
            ],
@@ -1073,7 +1283,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<IssuedTicketbooksDataResponse, NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                routes::ECASH_ROUTES,
                routes::ECASH_ISSUED_TICKETBOOKS_DATA,
            ],
@@ -1089,7 +1299,7 @@ pub trait NymApiClientExt: ApiClient {
    ) -> Result<NodesByAddressesResponse, NymAPIError> {
        self.post_json(
            &[
-                routes::API_VERSION,
+                routes::V1_API_VERSION,
                "unstable",
                routes::NYM_NODES_ROUTES,
                routes::nym_nodes::BY_ADDRESSES,
@@ -1103,7 +1313,7 @@ pub trait NymApiClientExt: ApiClient {
    #[instrument(level = "debug", skip(self))]
    async fn get_network_details(&self) -> Result<NymNetworkDetailsResponse, NymAPIError> {
        self.get_json(
-            &[routes::API_VERSION, routes::NETWORK, routes::DETAILS],
+            &[routes::V1_API_VERSION, routes::NETWORK, routes::DETAILS],
            NO_PARAMS,
        )
        .await
@@ -1112,7 +1322,24 @@ pub trait NymApiClientExt: ApiClient {
    #[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],
+            &[
+                routes::V1_API_VERSION,
+                routes::NETWORK,
+                routes::CHAIN_STATUS,
+            ],
+            NO_PARAMS,
+        )
+        .await
+    }
+
+    #[instrument(level = "debug", skip(self))]
+    async fn get_key_rotation_info(&self) -> Result<KeyRotationInfoResponse, NymAPIError> {
+        self.get_json(
+            &[
+                routes::V1_API_VERSION,
+                routes::EPOCH,
+                routes::KEY_ROTATION_INFO,
+            ],
            NO_PARAMS,
        )
        .await
@@ -1,9 +1,8 @@
 // Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use nym_network_defaults::NYM_API_VERSION;
-
-pub const API_VERSION: &str = NYM_API_VERSION;
+pub const V1_API_VERSION: &str = "v1";
+pub const V2_API_VERSION: &str = "v2";
 pub const MIXNODES: &str = "mixnodes";
 pub const GATEWAYS: &str = "gateways";
 pub const DESCRIBED: &str = "described";
@@ -79,3 +78,11 @@ pub const SERVICE_PROVIDERS: &str = "services";
 pub const DETAILS: &str = "details";
 pub const CHAIN_STATUS: &str = "chain-status";
 pub const NETWORK: &str = "network";
+
+pub const EPOCH: &str = "epoch";
+
+pub use epoch_routes::*;
+pub mod epoch_routes {
+    pub const CURRENT: &str = "current";
+    pub const KEY_ROTATION_INFO: &str = "key-rotation-info";
+}
@@ -12,8 +12,8 @@ use nym_mixnet_contract_common::gateway::{PreassignedGatewayIdsResponse, Preassi
 use nym_mixnet_contract_common::nym_node::{
    EpochAssignmentResponse, NodeDetailsByIdentityResponse, NodeDetailsResponse,
    NodeOwnershipResponse, NodeRewardingDetailsResponse, PagedNymNodeBondsResponse,
-    PagedNymNodeDetailsResponse, PagedUnbondedNymNodesResponse, Role, RolesMetadataResponse,
-    StakeSaturationResponse, UnbondedNodeResponse, UnbondedNymNode,
+    PagedNymNodeDetailsResponse, PagedUnbondedNymNodesResponse, RewardedSetMetadata, Role,
+    RolesMetadataResponse, StakeSaturationResponse, UnbondedNodeResponse, UnbondedNymNode,
 };
 use nym_mixnet_contract_common::reward_params::WorkFactor;
 use nym_mixnet_contract_common::{
@@ -28,12 +28,12 @@ use nym_mixnet_contract_common::{
    ContractBuildInformation, ContractState, ContractStateParams, CurrentIntervalResponse,
    CurrentNymNodeVersionResponse, Delegation, EpochEventId, EpochRewardedSet, EpochStatus,
    GatewayBond, GatewayBondResponse, GatewayOwnershipResponse, HistoricalNymNodeVersionEntry,
-    IdentityKey, IdentityKeyRef, IntervalEventId, MixNodeBond, MixNodeDetails,
-    MixOwnershipResponse, MixnodeDetailsByIdentityResponse, MixnodeDetailsResponse, NodeId,
-    NumberOfPendingEventsResponse, NymNodeBond, NymNodeDetails, NymNodeVersionHistoryResponse,
-    PagedAllDelegationsResponse, PagedDelegatorDelegationsResponse, PagedGatewayResponse,
-    PagedMixnodeBondsResponse, PagedNodeDelegationsResponse, PendingEpochEvent,
-    PendingEpochEventResponse, PendingEpochEventsResponse, PendingIntervalEvent,
+    IdentityKey, IdentityKeyRef, IntervalEventId, KeyRotationIdResponse, KeyRotationState,
+    MixNodeBond, MixNodeDetails, MixOwnershipResponse, MixnodeDetailsByIdentityResponse,
+    MixnodeDetailsResponse, NodeId, NumberOfPendingEventsResponse, NymNodeBond, NymNodeDetails,
+    NymNodeVersionHistoryResponse, PagedAllDelegationsResponse, PagedDelegatorDelegationsResponse,
+    PagedGatewayResponse, PagedMixnodeBondsResponse, PagedNodeDelegationsResponse,
+    PendingEpochEvent, PendingEpochEventResponse, PendingEpochEventsResponse, PendingIntervalEvent,
    PendingIntervalEventResponse, PendingIntervalEventsResponse, QueryMsg as MixnetQueryMsg,
    RewardedSet, UnbondedMixnode,
 };
@@ -546,6 +546,16 @@ pub trait MixnetQueryClient {
        })
        .await
    }
+
+    async fn get_key_rotation_state(&self) -> Result<KeyRotationState, NyxdError> {
+        self.query_mixnet_contract(MixnetQueryMsg::GetKeyRotationState {})
+            .await
+    }
+
+    async fn get_key_rotation_id(&self) -> Result<KeyRotationIdResponse, NyxdError> {
+        self.query_mixnet_contract(MixnetQueryMsg::GetKeyRotationId {})
+            .await
+    }
 }

 // extension trait to the query client to deal with the paged queries
@@ -673,12 +683,20 @@ pub trait MixnetQueryClientExt: MixnetQueryClient {
    async fn get_rewarded_set(&self) -> Result<EpochRewardedSet, NyxdError> {
        let error_response = |message| Err(NyxdError::extension_query_failure("mixnet", message));

+        // bypass for catch 22 for fresh contracts. we can't refresh cache because there's no rewarded set,
+        // but we can't set the rewarded set because we didn't refresh the cache
        let metadata = self.get_rewarded_set_metadata().await?;
-        if !metadata.metadata.fully_assigned {
+
+        let is_default = metadata.metadata == RewardedSetMetadata::default();
+        if !metadata.metadata.fully_assigned && !is_default {
            return error_response("the rewarded set hasn't been fully assigned for this epoch");
        }
        let expected_epoch_id = metadata.metadata.epoch_id;

+        if is_default {
+            return Ok(Default::default());
+        }
+
        // if we have to query those things more frequently, we could do it concurrently,
        // but as it stands now, it happens so infrequently it might as well be sequential
        let entry = self.get_role_assignment(Role::EntryGateway).await?;
@@ -955,6 +973,8 @@ mod tests {
            QueryMsg::GetNymNodeVersionHistory { limit, start_after } => client
                .get_nym_node_version_history_paged(start_after, limit)
                .ignore(),
+            QueryMsg::GetKeyRotationState {} => client.get_key_rotation_state().ignore(),
+            QueryMsg::GetKeyRotationId {} => client.get_key_rotation_id().ignore(),
        }
    }
 }
@@ -13,6 +13,7 @@ pub mod ecash_query_client;
 pub mod group_query_client;
 pub mod mixnet_query_client;
 pub mod multisig_query_client;
+pub mod performance_query_client;
 pub mod vesting_query_client;

 // signing clients
@@ -21,6 +22,7 @@ pub mod ecash_signing_client;
 pub mod group_signing_client;
 pub mod mixnet_signing_client;
 pub mod multisig_signing_client;
+pub mod performance_signing_client;
 pub mod vesting_signing_client;

 // re-export query traits
@@ -29,6 +31,7 @@ pub use ecash_query_client::{EcashQueryClient, PagedEcashQueryClient};
 pub use group_query_client::{GroupQueryClient, PagedGroupQueryClient};
 pub use mixnet_query_client::{MixnetQueryClient, PagedMixnetQueryClient};
 pub use multisig_query_client::{MultisigQueryClient, PagedMultisigQueryClient};
+pub use performance_query_client::{PagedPerformanceQueryClient, PerformanceQueryClient};
 pub use vesting_query_client::{PagedVestingQueryClient, VestingQueryClient};

 // re-export signing traits
@@ -37,6 +40,7 @@ pub use ecash_signing_client::EcashSigningClient;
 pub use group_signing_client::GroupSigningClient;
 pub use mixnet_signing_client::MixnetSigningClient;
 pub use multisig_signing_client::MultisigSigningClient;
+pub use performance_signing_client::PerformanceSigningClient;
 pub use vesting_signing_client::VestingSigningClient;

 // helper for providing blanket implementation for query clients
@@ -44,6 +48,7 @@ pub trait NymContractsProvider {
    // main
    fn mixnet_contract_address(&self) -> Option<&AccountId>;
    fn vesting_contract_address(&self) -> Option<&AccountId>;
+    fn performance_contract_address(&self) -> Option<&AccountId>;

    // coconut-related
    fn ecash_contract_address(&self) -> Option<&AccountId>;
@@ -56,6 +61,7 @@ pub trait NymContractsProvider {
 pub struct TypedNymContracts {
    pub mixnet_contract_address: Option<AccountId>,
    pub vesting_contract_address: Option<AccountId>,
+    pub performance_contract_address: Option<AccountId>,

    pub ecash_contract_address: Option<AccountId>,
    pub group_contract_address: Option<AccountId>,
@@ -76,6 +82,10 @@ impl TryFrom<NymContracts> for TypedNymContracts {
                .vesting_contract_address
                .map(|addr| addr.parse())
                .transpose()?,
+            performance_contract_address: value
+                .performance_contract_address
+                .map(|addr| addr.parse())
+                .transpose()?,
            ecash_contract_address: value
                .ecash_contract_address
                .map(|addr| addr.parse())
@@ -0,0 +1,265 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::collect_paged;
+use crate::nyxd::contract_traits::NymContractsProvider;
+use crate::nyxd::error::NyxdError;
+use crate::nyxd::CosmWasmClient;
+use async_trait::async_trait;
+use cosmrs::AccountId;
+pub use nym_performance_contract_common::{
+    msg::QueryMsg as PerformanceQueryMsg, types::NetworkMonitorResponse,
+};
+use nym_performance_contract_common::{
+    EpochId, EpochMeasurementsPagedResponse, EpochNodePerformance, EpochPerformancePagedResponse,
+    FullHistoricalPerformancePagedResponse, HistoricalPerformance, NetworkMonitorInformation,
+    NetworkMonitorsPagedResponse, NodeId, NodeMeasurement, NodeMeasurementsResponse,
+    NodePerformance, NodePerformancePagedResponse, NodePerformanceResponse, RetiredNetworkMonitor,
+    RetiredNetworkMonitorsPagedResponse,
+};
+use serde::Deserialize;
+
+#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
+#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
+pub trait PerformanceQueryClient {
+    async fn query_performance_contract<T>(
+        &self,
+        query: PerformanceQueryMsg,
+    ) -> Result<T, NyxdError>
+    where
+        for<'a> T: Deserialize<'a>;
+
+    async fn admin(&self) -> Result<cw_controllers::AdminResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::Admin {})
+            .await
+    }
+
+    async fn get_node_performance(
+        &self,
+        epoch_id: EpochId,
+        node_id: NodeId,
+    ) -> Result<NodePerformanceResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::NodePerformance { epoch_id, node_id })
+            .await
+    }
+
+    async fn get_node_performance_paged(
+        &self,
+        node_id: NodeId,
+        start_after: Option<EpochId>,
+        limit: Option<u32>,
+    ) -> Result<NodePerformancePagedResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::NodePerformancePaged {
+            node_id,
+            start_after,
+            limit,
+        })
+        .await
+    }
+
+    async fn get_node_measurements(
+        &self,
+        epoch_id: EpochId,
+        node_id: NodeId,
+    ) -> Result<NodeMeasurementsResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::NodeMeasurements { epoch_id, node_id })
+            .await
+    }
+
+    async fn get_epoch_measurements_paged(
+        &self,
+        epoch_id: EpochId,
+        start_after: Option<NodeId>,
+        limit: Option<u32>,
+    ) -> Result<EpochMeasurementsPagedResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::EpochMeasurementsPaged {
+            epoch_id,
+            start_after,
+            limit,
+        })
+        .await
+    }
+
+    async fn get_epoch_performance_paged(
+        &self,
+        epoch_id: EpochId,
+        start_after: Option<NodeId>,
+        limit: Option<u32>,
+    ) -> Result<EpochPerformancePagedResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::EpochPerformancePaged {
+            epoch_id,
+            start_after,
+            limit,
+        })
+        .await
+    }
+
+    async fn get_full_historical_performance_paged(
+        &self,
+        start_after: Option<(EpochId, NodeId)>,
+        limit: Option<u32>,
+    ) -> Result<FullHistoricalPerformancePagedResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::FullHistoricalPerformancePaged {
+            start_after,
+            limit,
+        })
+        .await
+    }
+
+    async fn get_network_monitor(
+        &self,
+        address: &AccountId,
+    ) -> Result<NetworkMonitorResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::NetworkMonitor {
+            address: address.to_string(),
+        })
+        .await
+    }
+
+    async fn get_network_monitors_paged(
+        &self,
+        start_after: Option<String>,
+        limit: Option<u32>,
+    ) -> Result<NetworkMonitorsPagedResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::NetworkMonitorsPaged {
+            start_after,
+            limit,
+        })
+        .await
+    }
+
+    async fn get_retired_network_monitors_paged(
+        &self,
+        start_after: Option<String>,
+        limit: Option<u32>,
+    ) -> Result<RetiredNetworkMonitorsPagedResponse, NyxdError> {
+        self.query_performance_contract(PerformanceQueryMsg::RetiredNetworkMonitorsPaged {
+            start_after,
+            limit,
+        })
+        .await
+    }
+}
+
+// extension trait to the query client to deal with the paged queries
+// (it didn't feel appropriate to combine it with the existing trait
+#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
+#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
+pub trait PagedPerformanceQueryClient: PerformanceQueryClient {
+    async fn get_all_node_performance(
+        &self,
+        node_id: NodeId,
+    ) -> Result<Vec<EpochNodePerformance>, NyxdError> {
+        collect_paged!(self, get_node_performance_paged, performance, node_id)
+    }
+
+    async fn get_all_epoch_measurements(
+        &self,
+        node_id: NodeId,
+    ) -> Result<Vec<NodeMeasurement>, NyxdError> {
+        collect_paged!(self, get_epoch_measurements_paged, measurements, node_id)
+    }
+
+    async fn get_all_epoch_performance(
+        &self,
+        epoch_id: EpochId,
+    ) -> Result<Vec<NodePerformance>, NyxdError> {
+        collect_paged!(self, get_epoch_performance_paged, performance, epoch_id)
+    }
+
+    async fn get_all_full_historical_performance(
+        &self,
+    ) -> Result<Vec<HistoricalPerformance>, NyxdError> {
+        collect_paged!(self, get_full_historical_performance_paged, performance)
+    }
+
+    async fn get_all_network_monitors(&self) -> Result<Vec<NetworkMonitorInformation>, NyxdError> {
+        collect_paged!(self, get_network_monitors_paged, info)
+    }
+
+    async fn get_all_retired_network_monitors(
+        &self,
+    ) -> Result<Vec<RetiredNetworkMonitor>, NyxdError> {
+        collect_paged!(self, get_retired_network_monitors_paged, info)
+    }
+}
+
+#[async_trait]
+impl<T> PagedPerformanceQueryClient for T where T: PerformanceQueryClient {}
+
+#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
+#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
+impl<C> PerformanceQueryClient for C
+where
+    C: CosmWasmClient + NymContractsProvider + Send + Sync,
+{
+    async fn query_performance_contract<T>(
+        &self,
+        query: PerformanceQueryMsg,
+    ) -> Result<T, NyxdError>
+    where
+        for<'a> T: Deserialize<'a>,
+    {
+        let performance_contract_address = &self
+            .performance_contract_address()
+            .ok_or_else(|| NyxdError::unavailable_contract_address("performance contract"))?;
+        self.query_contract_smart(performance_contract_address, &query)
+            .await
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::nyxd::contract_traits::tests::IgnoreValue;
+
+    // it's enough that this compiles and clippy is happy about it
+    #[allow(dead_code)]
+    fn all_query_variants_are_covered<C: PerformanceQueryClient + Send + Sync>(
+        client: C,
+        msg: PerformanceQueryMsg,
+    ) {
+        match msg {
+            PerformanceQueryMsg::Admin {} => client.admin().ignore(),
+            PerformanceQueryMsg::NodePerformance { epoch_id, node_id } => {
+                client.get_node_performance(epoch_id, node_id).ignore()
+            }
+            PerformanceQueryMsg::NodePerformancePaged {
+                node_id,
+                start_after,
+                limit,
+            } => client
+                .get_node_performance_paged(node_id, start_after, limit)
+                .ignore(),
+            PerformanceQueryMsg::NodeMeasurements { epoch_id, node_id } => {
+                client.get_node_measurements(epoch_id, node_id).ignore()
+            }
+            PerformanceQueryMsg::EpochMeasurementsPaged {
+                epoch_id,
+                start_after,
+                limit,
+            } => client
+                .get_epoch_measurements_paged(epoch_id, start_after, limit)
+                .ignore(),
+            PerformanceQueryMsg::EpochPerformancePaged {
+                epoch_id,
+                start_after,
+                limit,
+            } => client
+                .get_epoch_performance_paged(epoch_id, start_after, limit)
+                .ignore(),
+            PerformanceQueryMsg::FullHistoricalPerformancePaged { start_after, limit } => client
+                .get_full_historical_performance_paged(start_after, limit)
+                .ignore(),
+            PerformanceQueryMsg::NetworkMonitor { address } => client
+                .get_network_monitor(&address.parse().unwrap())
+                .ignore(),
+            PerformanceQueryMsg::NetworkMonitorsPaged { start_after, limit } => client
+                .get_network_monitors_paged(start_after, limit)
+                .ignore(),
+            PerformanceQueryMsg::RetiredNetworkMonitorsPaged { start_after, limit } => client
+                .get_retired_network_monitors_paged(start_after, limit)
+                .ignore(),
+        };
+    }
+}
@@ -0,0 +1,217 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::nyxd::coin::Coin;
+use crate::nyxd::contract_traits::NymContractsProvider;
+use crate::nyxd::cosmwasm_client::types::ExecuteResult;
+use crate::nyxd::cosmwasm_client::ContractResponseData;
+use crate::nyxd::error::NyxdError;
+use crate::nyxd::{Fee, SigningCosmWasmClient};
+use crate::signing::signer::OfflineSigner;
+use async_trait::async_trait;
+use nym_performance_contract_common::{
+    EpochId, ExecuteMsg as PerformanceExecuteMsg, NodeId, NodePerformance,
+    RemoveEpochMeasurementsResponse,
+};
+
+#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
+#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
+pub trait PerformanceSigningClient {
+    async fn execute_performance_contract(
+        &self,
+        fee: Option<Fee>,
+        msg: PerformanceExecuteMsg,
+        memo: String,
+        funds: Vec<Coin>,
+    ) -> Result<ExecuteResult, NyxdError>;
+
+    async fn update_admin(
+        &self,
+        admin: String,
+        fee: Option<Fee>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        self.execute_performance_contract(
+            fee,
+            PerformanceExecuteMsg::UpdateAdmin { admin },
+            "PerformanceContract::UpdateAdmin".to_string(),
+            vec![],
+        )
+        .await
+    }
+
+    async fn submit_performance(
+        &self,
+        epoch: EpochId,
+        data: NodePerformance,
+        fee: Option<Fee>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        self.execute_performance_contract(
+            fee,
+            PerformanceExecuteMsg::Submit { epoch, data },
+            "PerformanceContract::Submit".to_string(),
+            vec![],
+        )
+        .await
+    }
+
+    async fn batch_submit_performance(
+        &self,
+        epoch: EpochId,
+        data: Vec<NodePerformance>,
+        fee: Option<Fee>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        self.execute_performance_contract(
+            fee,
+            PerformanceExecuteMsg::BatchSubmit { epoch, data },
+            "PerformanceContract::BatchSubmit".to_string(),
+            vec![],
+        )
+        .await
+    }
+
+    async fn authorise_network_monitor(
+        &self,
+        address: String,
+        fee: Option<Fee>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        self.execute_performance_contract(
+            fee,
+            PerformanceExecuteMsg::AuthoriseNetworkMonitor { address },
+            "PerformanceContract::AuthoriseNetworkMonitor".to_string(),
+            vec![],
+        )
+        .await
+    }
+
+    async fn retire_network_monitor(
+        &self,
+        address: String,
+        fee: Option<Fee>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        self.execute_performance_contract(
+            fee,
+            PerformanceExecuteMsg::RetireNetworkMonitor { address },
+            "PerformanceContract::RetireNetworkMonitor".to_string(),
+            vec![],
+        )
+        .await
+    }
+
+    async fn remove_node_measurements(
+        &self,
+        epoch_id: EpochId,
+        node_id: NodeId,
+        fee: Option<Fee>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        self.execute_performance_contract(
+            fee,
+            PerformanceExecuteMsg::RemoveNodeMeasurements { epoch_id, node_id },
+            "PerformanceContract::RemoveNodeMeasurements".to_string(),
+            vec![],
+        )
+        .await
+    }
+
+    async fn partial_remove_epoch_measurements(
+        &self,
+        epoch_id: EpochId,
+        fee: Option<Fee>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        self.execute_performance_contract(
+            fee,
+            PerformanceExecuteMsg::RemoveEpochMeasurements { epoch_id },
+            "PerformanceContract::RemoveEpochMeasurements".to_string(),
+            vec![],
+        )
+        .await
+    }
+
+    async fn remove_epoch_measurements(
+        &self,
+        epoch_id: EpochId,
+        fee: Option<Fee>,
+    ) -> Result<(), NyxdError> {
+        loop {
+            let execute_res = self
+                .partial_remove_epoch_measurements(epoch_id, fee.clone())
+                .await?;
+            let response = execute_res
+                .parse_singleton_json_contract_response::<RemoveEpochMeasurementsResponse>()?;
+            if !response.additional_entries_to_remove_remaining {
+                break;
+            }
+        }
+        Ok(())
+    }
+}
+
+#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
+#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
+impl<C> PerformanceSigningClient for C
+where
+    C: SigningCosmWasmClient + NymContractsProvider + Sync,
+    NyxdError: From<<Self as OfflineSigner>::Error>,
+{
+    async fn execute_performance_contract(
+        &self,
+        fee: Option<Fee>,
+        msg: PerformanceExecuteMsg,
+        memo: String,
+        funds: Vec<Coin>,
+    ) -> Result<ExecuteResult, NyxdError> {
+        let performance_contract_address = &self
+            .performance_contract_address()
+            .ok_or_else(|| NyxdError::unavailable_contract_address("performance contract"))?;
+
+        let fee = fee.unwrap_or(Fee::Auto(Some(self.simulated_gas_multiplier())));
+
+        let signer_address = &self.signer_addresses()?[0];
+        self.execute(
+            signer_address,
+            performance_contract_address,
+            &msg,
+            fee,
+            memo,
+            funds,
+        )
+        .await
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::nyxd::contract_traits::tests::IgnoreValue;
+    use nym_performance_contract_common::ExecuteMsg;
+
+    // it's enough that this compiles and clippy is happy about it
+    #[allow(dead_code)]
+    fn all_execute_variants_are_covered<C: PerformanceSigningClient + Send + Sync>(
+        client: C,
+        msg: PerformanceExecuteMsg,
+    ) {
+        match msg {
+            PerformanceExecuteMsg::UpdateAdmin { admin } => {
+                client.update_admin(admin, None).ignore()
+            }
+            PerformanceExecuteMsg::Submit { epoch, data } => {
+                client.submit_performance(epoch, data, None).ignore()
+            }
+            PerformanceExecuteMsg::BatchSubmit { epoch, data } => {
+                client.batch_submit_performance(epoch, data, None).ignore()
+            }
+            PerformanceExecuteMsg::AuthoriseNetworkMonitor { address } => {
+                client.authorise_network_monitor(address, None).ignore()
+            }
+            PerformanceExecuteMsg::RetireNetworkMonitor { address } => {
+                client.retire_network_monitor(address, None).ignore()
+            }
+            ExecuteMsg::RemoveNodeMeasurements { epoch_id, node_id } => client
+                .remove_node_measurements(epoch_id, node_id, None)
+                .ignore(),
+            ExecuteMsg::RemoveEpochMeasurements { epoch_id } => client
+                .partial_remove_epoch_measurements(epoch_id, None)
+                .ignore(),
+        };
+    }
+}
@@ -12,6 +12,8 @@ use tendermint_rpc::endpoint::broadcast;
 use tracing::error;

 pub use cosmrs::abci::MsgResponse;
+use cosmwasm_std::from_json;
+use serde::de::DeserializeOwned;

 pub fn parse_singleton_u32_from_contract_response(b: Vec<u8>) -> Result<u32, NyxdError> {
    if b.len() != 4 {
@@ -73,6 +75,11 @@ pub fn parse_msg_responses(data: Bytes) -> Vec<MsgResponse> {

 // requires there's a single response message
 pub trait ContractResponseData: Sized {
+    fn parse_singleton_json_contract_response<T: DeserializeOwned>(&self) -> Result<T, NyxdError> {
+        let b = self.to_singleton_contract_data()?;
+        from_json(&b).map_err(|err| err.into())
+    }
+
    fn parse_singleton_u32_contract_data(&self) -> Result<u32, NyxdError> {
        let b = self.to_singleton_contract_data()?;
        parse_singleton_u32_from_contract_response(b)
@@ -138,6 +138,14 @@ impl NyxdClient<HttpClient> {
            config,
        })
    }
+
+    pub fn connect_to_default_env<U>(endpoint: U) -> Result<QueryHttpRpcNyxdClient, NyxdError>
+    where
+        U: TryInto<HttpClientUrl, Error = TendermintRpcError>,
+    {
+        let config = Config::try_from_nym_network_details(&NymNetworkDetails::new_from_env())?;
+        Self::connect(config, endpoint)
+    }
 }

 impl NyxdClient<ReqwestRpcClient> {
@@ -268,6 +276,10 @@ impl<C, S> NymContractsProvider for NyxdClient<C, S> {
        self.config.contracts.vesting_contract_address.as_ref()
    }

+    fn performance_contract_address(&self) -> Option<&AccountId> {
+        self.config.contracts.performance_contract_address.as_ref()
+    }
+
    fn ecash_contract_address(&self) -> Option<&AccountId> {
        self.config.contracts.ecash_contract_address.as_ref()
    }
@@ -60,7 +60,7 @@ pub async fn send(args: Args, client: &SigningClient) {
        "Nodesguru: https://nym.explorers.guru/transaction/{}",
        &res.hash
    );
-    println!("Mintscan: https://www.mintscan.io/nyx/txs/{}", &res.hash);
+    println!("Mintscan: https://ping.pub/nyx/tx/{}", &res.hash);
    println!("Transaction result code: {}", &res.tx_result.code.value());
    println!("Transaction hash: {}", &res.hash);
 }
@@ -95,7 +95,7 @@ pub async fn send_multiple(args: Args, client: &SigningClient) {
        "Nodesguru: https://nym.explorers.guru/transaction/{}",
        &res.hash
    );
-    println!("Mintscan: https://www.mintscan.io/nyx/txs/{}", &res.hash);
+    println!("Mintscan: https://ping.pub/nyx/tx/{}", &res.hash);
    println!("Transaction result code: {}", &res.tx_result.code.value());
    println!("Transaction hash: {}", &res.hash);

@@ -157,6 +157,7 @@ pub async fn generate(args: Args) {
            minimum: args.minimum_interval_operating_cost.amount.into(),
            maximum: args.maximum_interval_operating_cost.amount.into(),
        },
+        key_validity_in_epochs: None,
    };

    debug!("instantiate_msg: {:?}", instantiate_msg);
@@ -76,7 +76,7 @@ pub async fn execute(args: Args, client: SigningClient) {
                        &res.transaction_hash
                    );
                    println!(
-                        "Mintscan: https://www.mintscan.io/nyx/txs/{}",
+                        "Mintscan: https://ping.pub/nyx/tx/{}",
                        &res.transaction_hash
                    );
                    println!("Transaction hash: {}", &res.transaction_hash);
@@ -48,8 +48,7 @@ pub mod nym_config {
            log::trace!("Loading from file: {:#?}", filepath.as_ref().to_owned());
            let config_contents = fs::read_to_string(filepath)?;

-            toml::from_str(&config_contents)
-                .map_err(|toml_err| io::Error::new(io::ErrorKind::Other, toml_err))
+            toml::from_str(&config_contents).map_err(io::Error::other)
        }
    }
 }
@@ -151,8 +151,7 @@ where
    let content = fs::read_to_string(path)?;

    // TODO: should we be preserving original error type instead?
-    deserialize_config_from_toml_str(&content)
-        .map_err(|toml_err| io::Error::new(io::ErrorKind::Other, toml_err))
+    deserialize_config_from_toml_str(&content).map_err(io::Error::other)
 }

 //
@@ -0,0 +1,24 @@
+[package]
+name = "nym-contracts-common-testing"
+version = "0.1.0"
+authors.workspace = true
+repository.workspace = true
+homepage.workspace = true
+documentation.workspace = true
+edition.workspace = true
+license.workspace = true
+rust-version.workspace = true
+readme.workspace = true
+
+[dependencies]
+anyhow = { workspace = true }
+cosmwasm-std = { workspace = true }
+cw-storage-plus = { workspace = true }
+
+serde = { workspace = true }
+rand_chacha = { workspace = true }
+rand = { workspace = true }
+cw-multi-test = { workspace = true }
+
+[lints]
+workspace = true
@@ -0,0 +1,127 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use cosmwasm_std::testing::{message_info, MockApi, MockQuerier, MockStorage};
+use cosmwasm_std::{
+    coins, Addr, BankMsg, CosmosMsg, Empty, Env, MemoryStorage, MessageInfo, Order, OwnedDeps,
+    Response, StdResult, Storage,
+};
+use cw_storage_plus::{KeyDeserialize, Map, Prefix, PrimaryKey};
+use rand::{RngCore, SeedableRng};
+use rand_chacha::ChaCha20Rng;
+use serde::de::DeserializeOwned;
+use serde::Serialize;
+
+pub const TEST_DENOM: &str = "unym";
+pub const TEST_PREFIX: &str = "n";
+
+pub fn mock_api() -> MockApi {
+    MockApi::default().with_prefix(TEST_PREFIX)
+}
+
+pub fn mock_dependencies() -> OwnedDeps<MemoryStorage, MockApi, MockQuerier<Empty>> {
+    OwnedDeps {
+        storage: MockStorage::default(),
+        api: mock_api(),
+        querier: MockQuerier::default(),
+        custom_query_type: Default::default(),
+    }
+}
+
+pub fn test_rng() -> ChaCha20Rng {
+    let dummy_seed = [42u8; 32];
+    rand_chacha::ChaCha20Rng::from_seed(dummy_seed)
+}
+
+pub fn deps_with_balance(env: &Env) -> OwnedDeps<MemoryStorage, MockApi, MockQuerier<Empty>> {
+    let mut deps = mock_dependencies();
+    deps.querier = MockQuerier::<Empty>::new(&[(
+        env.contract.address.as_str(),
+        coins(100000000000, TEST_DENOM).as_slice(),
+    )]);
+    deps
+}
+
+pub fn generate_sorted_addresses(n: usize) -> Vec<Addr> {
+    let mut rng = test_rng();
+    let mut addrs = Vec::with_capacity(n);
+    for i in 0..n {
+        addrs.push(mock_api().addr_make(&format!("addr{i}{}", rng.next_u64())));
+    }
+    addrs.sort();
+    addrs
+}
+
+pub fn addr<S: AsRef<str>>(raw: S) -> Addr {
+    mock_api().addr_make(raw.as_ref())
+}
+
+pub fn sender<S: AsRef<str>>(raw: S) -> MessageInfo {
+    message_info(&addr(raw), &[])
+}
+
+pub trait ExtractBankMsg {
+    fn unwrap_bank_msg(self) -> Option<BankMsg>;
+}
+
+impl ExtractBankMsg for Response {
+    fn unwrap_bank_msg(self) -> Option<BankMsg> {
+        for msg in self.messages {
+            match msg.msg {
+                CosmosMsg::Bank(bank_msg) => return Some(bank_msg),
+                _ => continue,
+            }
+        }
+
+        None
+    }
+}
+
+pub trait FullReader<'a> {
+    type Key;
+    type Value: Serialize + DeserializeOwned;
+
+    fn all_values(&self, store: &dyn Storage) -> StdResult<Vec<Self::Value>>;
+
+    fn all_key_values(&self, store: &dyn Storage) -> StdResult<Vec<(Self::Key, Self::Value)>>;
+}
+
+impl<'a, K, T> FullReader<'a> for Map<K, T>
+where
+    T: Serialize + DeserializeOwned,
+    K: PrimaryKey<'a> + KeyDeserialize,
+    K::Output: 'static,
+{
+    type Key = K::Output;
+    type Value = T;
+
+    fn all_values(&self, store: &dyn Storage) -> StdResult<Vec<Self::Value>> {
+        self.range(store, None, None, Order::Ascending)
+            .map(|record| record.map(|r| r.1))
+            .collect()
+    }
+
+    fn all_key_values(&self, store: &dyn Storage) -> StdResult<Vec<(Self::Key, Self::Value)>> {
+        self.range(store, None, None, Order::Ascending).collect()
+    }
+}
+
+impl<'a, K, T, B> FullReader<'a> for Prefix<K, T, B>
+where
+    K: KeyDeserialize + 'static,
+    T: Serialize + DeserializeOwned,
+    B: PrimaryKey<'a>,
+{
+    type Key = K::Output;
+    type Value = T;
+
+    fn all_values(&self, store: &dyn Storage) -> StdResult<Vec<Self::Value>> {
+        self.range(store, None, None, Order::Ascending)
+            .map(|record| record.map(|r| r.1))
+            .collect()
+    }
+
+    fn all_key_values(&self, store: &dyn Storage) -> StdResult<Vec<(Self::Key, Self::Value)>> {
+        self.range(store, None, None, Order::Ascending).collect()
+    }
+}
@@ -0,0 +1,13 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+// those are all used exclusively for testing thus unwraps, et al. are allowed
+#![allow(clippy::unwrap_used)]
+#![allow(clippy::expect_used)]
+#![allow(clippy::panic)]
+
+pub mod helpers;
+pub mod tester;
+
+pub use helpers::*;
+pub use tester::*;
@@ -0,0 +1,239 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::{ContractTester, TestableNymContract};
+use cosmwasm_std::testing::{message_info, mock_env};
+use cosmwasm_std::{
+    from_json, Addr, Coin, ContractInfo, Deps, DepsMut, Env, MessageInfo, Response, StdResult,
+    Storage, Timestamp,
+};
+use cw_multi_test::{next_block, AppResponse, Executor};
+use serde::de::DeserializeOwned;
+use serde::Serialize;
+use std::any::type_name;
+use std::fmt::Debug;
+
+pub trait ContractOpts {
+    type ExecuteMsg;
+    type QueryMsg;
+    type ContractError;
+
+    fn deps(&self) -> Deps<'_>;
+
+    fn deps_mut(&mut self) -> DepsMut<'_>;
+
+    fn env(&self) -> Env;
+
+    fn addr_make(&self, input: &str) -> Addr;
+
+    fn deps_mut_env(&mut self) -> (DepsMut<'_>, Env) {
+        let env = self.env().clone();
+        (self.deps_mut(), env)
+    }
+
+    fn storage(&self) -> &dyn Storage;
+
+    fn storage_mut(&mut self) -> &mut dyn Storage;
+
+    fn read_from_contract_storage<T: DeserializeOwned>(&self, key: impl AsRef<[u8]>) -> Option<T>;
+
+    fn set_contract_storage(&mut self, key: impl AsRef<[u8]>, value: impl AsRef<[u8]>);
+
+    fn unchecked_read_from_contract_storage<T: DeserializeOwned>(
+        &self,
+        key: impl AsRef<[u8]>,
+    ) -> T {
+        let typ = type_name::<T>();
+        self.read_from_contract_storage(key)
+            .unwrap_or_else(|| panic!("value of type {typ} not present in the storage"))
+    }
+
+    fn execute_raw(
+        &mut self,
+        sender: Addr,
+        message: Self::ExecuteMsg,
+    ) -> Result<Response, Self::ContractError> {
+        self.execute_raw_with_balance(sender, &[], message)
+    }
+
+    fn execute_raw_with_balance(
+        &mut self,
+        sender: Addr,
+        coins: &[Coin],
+        message: Self::ExecuteMsg,
+    ) -> Result<Response, Self::ContractError>;
+}
+
+impl<C> ContractOpts for ContractTester<C>
+where
+    C: TestableNymContract,
+{
+    type ExecuteMsg = C::ExecuteMsg;
+    type QueryMsg = C::QueryMsg;
+    type ContractError = C::ContractError;
+
+    fn deps(&self) -> Deps<'_> {
+        Deps {
+            storage: &self.storage,
+            api: self.app.api(),
+            querier: self.app.wrap(),
+        }
+    }
+
+    fn deps_mut(&mut self) -> DepsMut<'_> {
+        DepsMut {
+            storage: &mut self.storage,
+            api: self.app.api(),
+            querier: self.app.wrap(),
+        }
+    }
+
+    fn env(&self) -> Env {
+        Env {
+            block: self.app.block_info(),
+            contract: ContractInfo {
+                address: self.contract_address.clone(),
+            },
+            ..mock_env()
+        }
+    }
+
+    fn addr_make(&self, input: &str) -> Addr {
+        self.app.api().addr_make(input)
+    }
+
+    fn storage(&self) -> &dyn Storage {
+        &self.storage
+    }
+
+    fn storage_mut(&mut self) -> &mut dyn Storage {
+        &mut self.storage
+    }
+
+    fn read_from_contract_storage<T: DeserializeOwned>(&self, key: impl AsRef<[u8]>) -> Option<T> {
+        let raw = self.deps().storage.get(key.as_ref())?;
+        from_json(&raw).ok()
+    }
+
+    fn set_contract_storage(&mut self, key: impl AsRef<[u8]>, value: impl AsRef<[u8]>) {
+        self.deps_mut().storage.set(key.as_ref(), value.as_ref());
+    }
+
+    fn execute_raw_with_balance(
+        &mut self,
+        sender: Addr,
+        coins: &[Coin],
+        message: C::ExecuteMsg,
+    ) -> Result<Response, C::ContractError> {
+        let env = self.env();
+        let info = message_info(&sender, coins);
+
+        C::execute()(self.deps_mut(), env, info, message)
+    }
+}
+
+pub trait ChainOpts: ContractOpts {
+    fn set_contract_balance(&mut self, balance: Coin);
+
+    fn next_block(&mut self);
+
+    fn set_block_time(&mut self, time: Timestamp);
+
+    fn execute_msg(
+        &mut self,
+        sender: Addr,
+        message: &Self::ExecuteMsg,
+    ) -> anyhow::Result<AppResponse> {
+        self.execute_msg_with_balance(sender, &[], message)
+    }
+
+    fn execute_msg_with_balance(
+        &mut self,
+        sender: Addr,
+        coins: &[Coin],
+        message: &Self::ExecuteMsg,
+    ) -> anyhow::Result<AppResponse>;
+
+    fn execute_arbitrary_contract<T: Serialize + Debug>(
+        &mut self,
+        contract: Addr,
+        sender: MessageInfo,
+        message: &T,
+    ) -> anyhow::Result<AppResponse>;
+
+    fn query_arbitrary_contract<Q: Serialize + Debug, T: DeserializeOwned>(
+        &self,
+        contract: Addr,
+        message: &Q,
+    ) -> StdResult<T>;
+
+    fn query<T: DeserializeOwned>(&self, message: &Self::QueryMsg) -> StdResult<T>;
+}
+
+impl<C> ChainOpts for ContractTester<C>
+where
+    C: TestableNymContract,
+{
+    fn set_contract_balance(&mut self, balance: Coin) {
+        let contract_address = &self.contract_address;
+        self.app
+            .router()
+            .bank
+            .init_balance(
+                &mut self.storage.inner_storage(),
+                contract_address,
+                vec![balance],
+            )
+            .unwrap();
+    }
+    fn next_block(&mut self) {
+        self.app.update_block(next_block)
+    }
+
+    fn set_block_time(&mut self, time: Timestamp) {
+        self.app.update_block(|b| b.time = time)
+    }
+
+    fn execute_msg(
+        &mut self,
+        sender: Addr,
+        message: &C::ExecuteMsg,
+    ) -> anyhow::Result<AppResponse> {
+        self.execute_msg_with_balance(sender, &[], message)
+    }
+
+    fn execute_msg_with_balance(
+        &mut self,
+        sender: Addr,
+        coins: &[Coin],
+        message: &C::ExecuteMsg,
+    ) -> anyhow::Result<AppResponse> {
+        self.app
+            .execute_contract(sender, self.contract_address.clone(), message, coins)
+    }
+
+    fn execute_arbitrary_contract<T: Serialize + Debug>(
+        &mut self,
+        contract: Addr,
+        sender: MessageInfo,
+        message: &T,
+    ) -> anyhow::Result<AppResponse> {
+        let coins = &sender.funds;
+        let sender = sender.sender;
+        self.app.execute_contract(sender, contract, message, coins)
+    }
+
+    fn query_arbitrary_contract<Q: Serialize + Debug, T: DeserializeOwned>(
+        &self,
+        contract: Addr,
+        message: &Q,
+    ) -> StdResult<T> {
+        self.app.wrap().query_wasm_smart(contract, message)
+    }
+
+    fn query<T: DeserializeOwned>(&self, message: &C::QueryMsg) -> StdResult<T> {
+        self.app
+            .wrap()
+            .query_wasm_smart(self.contract_address.as_str(), message)
+    }
+}
@@ -0,0 +1,305 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::{
+    CommonStorageKeys, ContractOpts, ContractTester, StorageWrapper, TestableNymContract,
+    TEST_DENOM,
+};
+use cosmwasm_std::testing::message_info;
+use cosmwasm_std::{
+    coin, coins, from_json, to_json_vec, Addr, Coin, MessageInfo, StdError, StdResult, Storage,
+};
+use cw_multi_test::Executor;
+use cw_storage_plus::{Key, Path, PrimaryKey};
+use rand::RngCore;
+use rand_chacha::ChaCha20Rng;
+use serde::de::DeserializeOwned;
+use serde::Serialize;
+use std::any::type_name;
+use std::ops::Deref;
+
+pub trait StorageReader {
+    fn common_key(&self, key: CommonStorageKeys) -> Option<&[u8]>;
+
+    fn read_common_value<T: DeserializeOwned>(&self, key: CommonStorageKeys) -> Option<T> {
+        self.read_from_contract_storage(self.common_key(key)?)
+    }
+
+    fn unchecked_read_common_value<T: DeserializeOwned>(&self, key: CommonStorageKeys) -> T {
+        self.unchecked_read_from_contract_storage(
+            self.common_key(key)
+                .unwrap_or_else(|| panic!("no key set for {key:?}")),
+        )
+    }
+
+    fn read_from_contract_storage<T: DeserializeOwned>(&self, key: impl AsRef<[u8]>) -> Option<T>;
+
+    fn unchecked_read_from_contract_storage<T: DeserializeOwned>(
+        &self,
+        key: impl AsRef<[u8]>,
+    ) -> T {
+        let typ = type_name::<T>();
+        self.read_from_contract_storage(key)
+            .unwrap_or_else(|| panic!("value of type {typ} not present in the storage"))
+    }
+}
+
+// technically it shouldn't rely on `StorageReader` and `common_key` should be extracted
+// but this makes it a tad easier and it's only testing code so it's fine
+pub trait StorageWriter: StorageReader {
+    fn set_common_value<T: Serialize>(
+        &mut self,
+        key: CommonStorageKeys,
+        value: &T,
+    ) -> StdResult<()> {
+        let key = self
+            .common_key(key)
+            .ok_or(StdError::not_found("key not found"))?
+            .to_vec();
+        self.set_storage_value(key, value)
+    }
+
+    fn set_storage(&mut self, key: impl AsRef<[u8]>, value: impl AsRef<[u8]>);
+
+    fn set_storage_value<T: Serialize>(
+        &mut self,
+        key: impl AsRef<[u8]>,
+        value: &T,
+    ) -> StdResult<()> {
+        self.set_storage(key, &to_json_vec(value)?);
+        Ok(())
+    }
+}
+
+pub trait ArbitraryContractStorageReader {
+    fn may_read_from_contract_storage(
+        &self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+    ) -> Option<Vec<u8>>;
+
+    fn must_read_from_contract_storage(
+        &self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+    ) -> StdResult<Vec<u8>> {
+        let key = key.as_ref();
+        self.may_read_from_contract_storage(address, key)
+            .ok_or(StdError::not_found(format!("no data under {key:?}")))
+    }
+
+    fn may_read_value_from_contract_storage<T: DeserializeOwned>(
+        &self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+    ) -> StdResult<Option<T>> {
+        let Some(bytes) = self.may_read_from_contract_storage(address, key) else {
+            return Ok(None);
+        };
+
+        from_json(&bytes).map(Some)
+    }
+
+    fn must_read_value_from_contract_storage<T: DeserializeOwned>(
+        &self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+    ) -> StdResult<T> {
+        let bytes = self.must_read_from_contract_storage(address, key)?;
+        from_json(&bytes)
+    }
+}
+
+pub trait ArbitraryContractStorageWriter {
+    fn set_contract_storage(
+        &mut self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+        value: impl AsRef<[u8]>,
+    );
+
+    fn set_contract_storage_value<T: Serialize>(
+        &mut self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+        value: &T,
+    ) -> StdResult<()> {
+        self.set_contract_storage(address, key, &to_json_vec(value)?);
+        Ok(())
+    }
+
+    // attempts to write to an arbitrary contract `cw_storage_plus::Map`
+    fn set_contract_map_value<'a, K, T>(
+        &mut self,
+        address: impl Into<String>,
+        namespace: impl AsRef<[u8]>,
+        key: K,
+        value: &T,
+    ) -> StdResult<()>
+    where
+        K: PrimaryKey<'a>,
+        T: Serialize + DeserializeOwned,
+    {
+        let key_path: Path<T> = Path::new(
+            namespace.as_ref(),
+            &key.key().iter().map(Key::as_ref).collect::<Vec<_>>(),
+        );
+        let storage_key = key_path.deref();
+        self.set_contract_storage_value(address, storage_key, value)
+    }
+}
+
+// contract that has an admin
+pub trait AdminExt: StorageReader + StorageWriter {
+    fn admin(&self) -> Option<Addr> {
+        self.read_common_value(CommonStorageKeys::Admin)
+    }
+
+    fn update_admin(&mut self, admin: &Option<Addr>) -> StdResult<()> {
+        self.set_common_value(CommonStorageKeys::Admin, admin)
+    }
+
+    fn admin_unchecked(&self) -> Addr {
+        self.admin().expect("no admin set")
+    }
+
+    fn admin_msg(&self) -> MessageInfo {
+        message_info(&self.admin_unchecked(), &[])
+    }
+}
+
+// contract that operates on some specific coin denom
+pub trait DenomExt: StorageReader {
+    fn denom(&self) -> String {
+        self.unchecked_read_common_value(CommonStorageKeys::Denom)
+    }
+
+    fn coin(&self, amount: u128) -> Coin {
+        coin(amount, self.denom())
+    }
+
+    fn coins(&self, amount: u128) -> Vec<Coin> {
+        coins(amount, self.denom())
+    }
+}
+
+pub trait RandExt {
+    fn raw_rng(&mut self) -> &mut ChaCha20Rng;
+
+    fn generate_account(&mut self) -> Addr;
+
+    fn generate_account_with_balance(&mut self) -> Addr
+    where
+        Self: BankExt;
+}
+
+pub trait BankExt {
+    fn send_tokens(&mut self, to: Addr, amount: Coin) -> anyhow::Result<()>;
+}
+
+impl<T> AdminExt for T where T: StorageReader + StorageWriter {}
+impl<T> DenomExt for T where T: StorageReader {}
+
+impl<C: TestableNymContract> StorageReader for ContractTester<C> {
+    fn common_key(&self, key: CommonStorageKeys) -> Option<&[u8]> {
+        self.common_storage_keys.get(&key).map(|v| &**v)
+    }
+
+    fn read_from_contract_storage<T: DeserializeOwned>(&self, key: impl AsRef<[u8]>) -> Option<T> {
+        <Self as ContractOpts>::read_from_contract_storage(self, key)
+    }
+}
+
+impl<C: TestableNymContract> StorageWriter for ContractTester<C> {
+    fn set_storage(&mut self, key: impl AsRef<[u8]>, value: impl AsRef<[u8]>) {
+        <Self as ContractOpts>::set_contract_storage(self, key, value)
+    }
+}
+
+impl<C: TestableNymContract> BankExt for ContractTester<C> {
+    fn send_tokens(&mut self, to: Addr, amount: Coin) -> anyhow::Result<()> {
+        self.app
+            .send_tokens(self.master_address.clone(), to, &[amount])?;
+        Ok(())
+    }
+}
+
+impl<C: TestableNymContract> RandExt for ContractTester<C> {
+    fn raw_rng(&mut self) -> &mut ChaCha20Rng {
+        &mut self.rng
+    }
+
+    fn generate_account(&mut self) -> Addr {
+        self.app
+            .api()
+            .addr_make(&format!("foomp{}", self.rng.next_u64()))
+    }
+
+    fn generate_account_with_balance(&mut self) -> Addr
+    where
+        Self: BankExt,
+    {
+        let addr = self.generate_account();
+        let million = 1_000_000_000_000;
+        self.send_tokens(addr.clone(), coin(million, TEST_DENOM))
+            .unwrap();
+        addr
+    }
+}
+
+impl ArbitraryContractStorageReader for StorageWrapper {
+    fn may_read_from_contract_storage(
+        &self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+    ) -> Option<Vec<u8>> {
+        self.contract_storage_wrapper(&Addr::unchecked(address))
+            .get(key.as_ref())
+    }
+}
+
+impl ArbitraryContractStorageWriter for StorageWrapper {
+    fn set_contract_storage(
+        &mut self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+        value: impl AsRef<[u8]>,
+    ) {
+        // yeah, we're unnecessarily cloning a Rc pointer, but this is a test code, so this inefficiency is fine
+        let mut wrapped_storage = self
+            .clone()
+            .contract_storage_wrapper(&Addr::unchecked(address));
+        wrapped_storage.set(key.as_ref(), value.as_ref());
+    }
+}
+
+impl<C> ArbitraryContractStorageReader for ContractTester<C>
+where
+    C: TestableNymContract,
+{
+    fn may_read_from_contract_storage(
+        &self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+    ) -> Option<Vec<u8>> {
+        self.storage
+            .as_inner_storage()
+            .may_read_from_contract_storage(address, key)
+    }
+}
+
+impl<C> ArbitraryContractStorageWriter for ContractTester<C>
+where
+    C: TestableNymContract,
+{
+    fn set_contract_storage(
+        &mut self,
+        address: impl Into<String>,
+        key: impl AsRef<[u8]>,
+        value: impl AsRef<[u8]>,
+    ) {
+        self.storage
+            .as_inner_storage_mut()
+            .set_contract_storage(address, key, value);
+    }
+}
@@ -0,0 +1,276 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::{mock_api, test_rng, TEST_DENOM};
+use cosmwasm_std::testing::MockApi;
+use cosmwasm_std::{
+    coin, coins, Addr, Binary, Deps, DepsMut, Empty, Env, MessageInfo, Order, QuerierWrapper,
+    Record, Response, Storage,
+};
+use cw_multi_test::{App, AppBuilder, BankKeeper, Contract, ContractWrapper, Executor};
+use rand_chacha::ChaCha20Rng;
+use serde::de::DeserializeOwned;
+use serde::Serialize;
+use std::collections::HashMap;
+use std::fmt::{Debug, Display};
+use std::marker::PhantomData;
+
+pub use basic_traits::*;
+pub use extensions::*;
+
+pub use crate::tester::storage_wrapper::{ContractStorageWrapper, StorageWrapper};
+
+mod basic_traits;
+mod extensions;
+mod storage_wrapper;
+// copied from cw-multi-test (but removed generics for custom messages and querier for we don't need them for now)
+
+pub type ContractFn<T, E> =
+    fn(deps: DepsMut, env: Env, info: MessageInfo, msg: T) -> Result<Response, E>;
+pub type QueryFn<T, E> = fn(deps: Deps, env: Env, msg: T) -> Result<Binary, E>;
+pub type PermissionedFn<T, E> = fn(deps: DepsMut, env: Env, msg: T) -> Result<Response, E>;
+
+pub type ContractClosure<T, E> = Box<dyn Fn(DepsMut, Env, MessageInfo, T) -> Result<Response, E>>;
+pub type QueryClosure<T, E> = Box<dyn Fn(Deps, Env, T) -> Result<Binary, E>>;
+
+pub trait TestableNymContract {
+    const NAME: &'static str;
+
+    type InitMsg: DeserializeOwned + Serialize + Debug + 'static;
+    type ExecuteMsg: DeserializeOwned + Serialize + Debug + 'static;
+    type QueryMsg: DeserializeOwned + Serialize + Debug + 'static;
+    type MigrateMsg: DeserializeOwned + Serialize + Debug + 'static;
+    type ContractError: Display + Debug + Send + Sync + 'static;
+
+    fn instantiate() -> ContractFn<Self::InitMsg, Self::ContractError>;
+    fn execute() -> ContractFn<Self::ExecuteMsg, Self::ContractError>;
+    fn query() -> QueryFn<Self::QueryMsg, Self::ContractError>;
+    fn migrate() -> PermissionedFn<Self::MigrateMsg, Self::ContractError>;
+
+    fn base_init_msg() -> Self::InitMsg;
+
+    // // for now we don't care about custom queriers
+    // fn contract_wrapper() -> ContractWrapper<
+    //     Self::ExecuteMsg,
+    //     Self::InitMsg,
+    //     Self::QueryMsg,
+    //     Self::ContractError,
+    //     anyhow::Error,
+    //     anyhow::Error,
+    //     Empty,
+    //     Empty,
+    //     Empty,
+    //     Self::ContractError,
+    //     Self::ContractError,
+    //     Self::MigrateMsg,
+    //     Self::ContractError,
+    // > {
+    //     ContractWrapper::new(Self::execute(), Self::instantiate(), Self::query())
+    //         .with_migrate(Self::migrate())
+    // }
+
+    fn dyn_contract() -> Box<dyn Contract<Empty>> {
+        Box::new(
+            ContractWrapper::new(Self::execute(), Self::instantiate(), Self::query())
+                .with_migrate(Self::migrate()),
+        )
+    }
+
+    fn init() -> ContractTester<Self>
+    where
+        Self: Sized,
+    {
+        ContractTesterBuilder::new()
+            .instantiate::<Self>(None)
+            .build()
+    }
+}
+
+pub struct ContractTesterBuilder<C> {
+    contract: PhantomData<C>,
+    master_address: Addr,
+    app: App<BankKeeper, MockApi, StorageWrapper>,
+    storage: StorageWrapper,
+    pub well_known_contracts: HashMap<&'static str, Addr>,
+}
+
+impl<C> ContractTesterBuilder<C> {
+    #[allow(clippy::new_without_default)]
+    pub fn new() -> Self
+    where
+        C: TestableNymContract,
+    {
+        let storage = StorageWrapper::new();
+
+        let api = mock_api();
+        let master_address = api.addr_make("master-owner");
+
+        let app = AppBuilder::new()
+            .with_api(api)
+            .with_storage(storage.clone())
+            .build(|router, _api, storage| {
+                router
+                    .bank
+                    .init_balance(
+                        storage,
+                        &master_address,
+                        coins(1000000000000000, TEST_DENOM),
+                    )
+                    .unwrap()
+            });
+
+        ContractTesterBuilder {
+            contract: Default::default(),
+            master_address,
+            app,
+            storage,
+            well_known_contracts: Default::default(),
+        }
+    }
+
+    pub fn instantiate<D: TestableNymContract>(
+        mut self,
+        custom_init_msg: Option<D::InitMsg>,
+    ) -> ContractTesterBuilder<C> {
+        let code_id = self.app.store_code(D::dyn_contract());
+        let contract_address = self
+            .app
+            .instantiate_contract(
+                code_id,
+                self.master_address.clone(),
+                &custom_init_msg.unwrap_or(D::base_init_msg()),
+                &[],
+                D::NAME,
+                Some(self.master_address.to_string()),
+            )
+            .unwrap();
+
+        // send some tokens to the contract
+        self.app
+            .send_tokens(
+                self.master_address.clone(),
+                contract_address.clone(),
+                &[coin(100000000, TEST_DENOM)],
+            )
+            .unwrap();
+
+        self.well_known_contracts.insert(D::NAME, contract_address);
+        self
+    }
+
+    pub fn build(self) -> ContractTester<C>
+    where
+        C: TestableNymContract,
+    {
+        if !self.well_known_contracts.contains_key(C::NAME) {
+            panic!("{} contract has not been instantiated", C::NAME);
+        }
+
+        let contract_address = self.well_known_contracts[C::NAME].clone();
+
+        ContractTester {
+            contract: self.contract,
+            app: self.app,
+            rng: test_rng(),
+            master_address: self.master_address,
+            storage: self.storage.contract_storage_wrapper(&contract_address),
+            contract_address,
+            common_storage_keys: Default::default(),
+            well_known_contracts: self.well_known_contracts,
+        }
+    }
+
+    pub fn contract_storage_wrapper(&self, contract: &Addr) -> ContractStorageWrapper {
+        self.storage.contract_storage_wrapper(contract)
+    }
+
+    pub fn api(&self) -> MockApi {
+        *self.app.api()
+    }
+
+    pub fn querier(&self) -> QuerierWrapper {
+        self.app.wrap()
+    }
+}
+
+#[derive(Debug, Copy, Clone, Hash, Eq, PartialEq)]
+pub enum CommonStorageKeys {
+    Admin,
+    Denom,
+}
+
+pub struct ContractTester<C: TestableNymContract> {
+    contract: PhantomData<C>,
+    pub app: App<BankKeeper, MockApi, StorageWrapper>,
+    pub rng: ChaCha20Rng,
+    pub contract_address: Addr,
+    pub master_address: Addr,
+    pub(crate) storage: ContractStorageWrapper,
+    pub common_storage_keys: HashMap<CommonStorageKeys, Vec<u8>>,
+
+    // TODO: limitation: doesn't allow multiple contracts of the same type (but that's fine for the time being)
+    pub well_known_contracts: HashMap<&'static str, Addr>,
+}
+
+impl<C> ContractTester<C>
+where
+    C: TestableNymContract,
+{
+    pub fn insert_common_storage_key(&mut self, key: CommonStorageKeys, value: impl AsRef<[u8]>) {
+        self.common_storage_keys
+            .insert(key, value.as_ref().to_vec());
+    }
+
+    pub fn with_common_storage_key(
+        mut self,
+        key: CommonStorageKeys,
+        value: impl AsRef<[u8]>,
+    ) -> Self {
+        self.insert_common_storage_key(key, value);
+        self
+    }
+}
+
+impl<C> Storage for ContractTester<C>
+where
+    C: TestableNymContract,
+{
+    fn get(&self, key: &[u8]) -> Option<Vec<u8>> {
+        self.storage.get(key)
+    }
+
+    fn range<'a>(
+        &'a self,
+        start: Option<&[u8]>,
+        end: Option<&[u8]>,
+        order: Order,
+    ) -> Box<dyn Iterator<Item = Record> + 'a> {
+        self.storage.range(start, end, order)
+    }
+
+    fn range_keys<'a>(
+        &'a self,
+        start: Option<&[u8]>,
+        end: Option<&[u8]>,
+        order: Order,
+    ) -> Box<dyn Iterator<Item = Vec<u8>> + 'a> {
+        self.storage.range_keys(start, end, order)
+    }
+
+    fn range_values<'a>(
+        &'a self,
+        start: Option<&[u8]>,
+        end: Option<&[u8]>,
+        order: Order,
+    ) -> Box<dyn Iterator<Item = Vec<u8>> + 'a> {
+        self.storage.range_values(start, end, order)
+    }
+
+    fn set(&mut self, key: &[u8], value: &[u8]) {
+        self.storage.set(key, value)
+    }
+
+    fn remove(&mut self, key: &[u8]) {
+        self.storage.remove(key)
+    }
+}
@@ -0,0 +1,184 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use cosmwasm_std::storage_keys::to_length_prefixed_nested;
+use cosmwasm_std::testing::MockStorage;
+use cosmwasm_std::{Addr, MemoryStorage, Order, Record, Storage};
+use std::cell::RefCell;
+use std::rc::Rc;
+
+#[derive(Debug, Clone)]
+pub struct StorageWrapper(Rc<RefCell<MemoryStorage>>);
+
+impl StorageWrapper {
+    pub fn contract_storage_wrapper(&self, contract: &Addr) -> ContractStorageWrapper {
+        ContractStorageWrapper {
+            address: contract.clone(),
+            inner: self.clone(),
+        }
+    }
+
+    pub(super) fn new() -> Self {
+        StorageWrapper(Rc::new(RefCell::new(MockStorage::new())))
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct ContractStorageWrapper {
+    address: Addr,
+    inner: StorageWrapper,
+}
+
+impl ContractStorageWrapper {
+    pub fn inner_storage(&self) -> StorageWrapper {
+        self.inner.clone()
+    }
+
+    pub fn as_inner_storage(&self) -> &StorageWrapper {
+        &self.inner
+    }
+
+    pub fn as_inner_storage_mut(&mut self) -> &mut StorageWrapper {
+        &mut self.inner
+    }
+
+    #[must_use = "this returns the result of the operation, without modifying the original"]
+    pub fn change_contract(&self, contract: &Addr) -> Self {
+        ContractStorageWrapper {
+            address: contract.clone(),
+            inner: self.inner.clone(),
+        }
+    }
+}
+
+impl Storage for StorageWrapper {
+    fn get(&self, key: &[u8]) -> Option<Vec<u8>> {
+        self.0.borrow().get(key)
+    }
+
+    fn range<'a>(
+        &'a self,
+        start: Option<&[u8]>,
+        end: Option<&[u8]>,
+        order: Order,
+    ) -> Box<dyn Iterator<Item = Record> + 'a> {
+        // hehe, that's nasty
+        let vals = self.0.borrow().range(start, end, order).collect::<Vec<_>>();
+        Box::new(vals.into_iter())
+    }
+
+    fn set(&mut self, key: &[u8], value: &[u8]) {
+        self.0.borrow_mut().set(key, value);
+    }
+
+    fn remove(&mut self, key: &[u8]) {
+        self.0.borrow_mut().remove(key);
+    }
+}
+
+impl ContractStorageWrapper {
+    fn contract_namespace(&self) -> Vec<u8> {
+        let mut name = b"contract_data/".to_vec();
+        name.extend_from_slice(self.address.as_bytes());
+        name
+    }
+
+    fn prefix(&self) -> Vec<u8> {
+        to_length_prefixed_nested(&[b"wasm", &self.contract_namespace()])
+    }
+
+    #[inline]
+    fn trim(namespace: &[u8], key: &[u8]) -> Vec<u8> {
+        key[namespace.len()..].to_vec()
+    }
+
+    /// Returns a new vec of same length and last byte incremented by one
+    /// If last bytes are 255, we handle overflow up the chain.
+    /// If all bytes are 255, this returns wrong data - but that is never possible as a namespace
+    fn namespace_upper_bound(input: &[u8]) -> Vec<u8> {
+        let mut copy = input.to_vec();
+        // zero out all trailing 255, increment first that is not such
+        for i in (0..input.len()).rev() {
+            if copy[i] == 255 {
+                copy[i] = 0;
+            } else {
+                copy[i] += 1;
+                break;
+            }
+        }
+        copy
+    }
+
+    #[inline]
+    fn concat(namespace: &[u8], key: &[u8]) -> Vec<u8> {
+        let mut k = namespace.to_vec();
+        k.extend_from_slice(key);
+        k
+    }
+
+    fn get_with_prefix(storage: &dyn Storage, namespace: &[u8], key: &[u8]) -> Option<Vec<u8>> {
+        storage.get(&Self::concat(namespace, key))
+    }
+
+    fn set_with_prefix(storage: &mut dyn Storage, namespace: &[u8], key: &[u8], value: &[u8]) {
+        storage.set(&Self::concat(namespace, key), value);
+    }
+
+    fn remove_with_prefix(storage: &mut dyn Storage, namespace: &[u8], key: &[u8]) {
+        storage.remove(&Self::concat(namespace, key));
+    }
+
+    fn range_with_prefix<'a>(
+        storage: &'a dyn Storage,
+        namespace: &[u8],
+        start: Option<&[u8]>,
+        end: Option<&[u8]>,
+        order: Order,
+    ) -> Box<dyn Iterator<Item = Record> + 'a> {
+        // prepare start, end with prefix
+        let start = match start {
+            Some(s) => Self::concat(namespace, s),
+            None => namespace.to_vec(),
+        };
+        let end = match end {
+            Some(e) => Self::concat(namespace, e),
+            // end is updating last byte by one
+            None => Self::namespace_upper_bound(namespace),
+        };
+
+        // get iterator from storage
+        let base_iterator = storage.range(Some(&start), Some(&end), order);
+
+        // make a copy for the closure to handle lifetimes safely
+        let prefix = namespace.to_vec();
+        let mapped = base_iterator.map(move |(k, v)| (Self::trim(&prefix, &k), v));
+        Box::new(mapped)
+    }
+}
+
+impl Storage for ContractStorageWrapper {
+    fn get(&self, key: &[u8]) -> Option<Vec<u8>> {
+        let prefix = self.prefix();
+        Self::get_with_prefix(&self.inner, &prefix, key)
+    }
+
+    fn range<'a>(
+        &'a self,
+        start: Option<&[u8]>,
+        end: Option<&[u8]>,
+        order: Order,
+    ) -> Box<dyn Iterator<Item = Record> + 'a> {
+        let prefix = self.prefix();
+        Self::range_with_prefix(&self.inner, &prefix, start, end, order)
+    }
+
+    fn set(&mut self, key: &[u8], value: &[u8]) {
+        let prefix = self.prefix();
+        Self::set_with_prefix(&mut self.inner, &prefix, key, value);
+    }
+
+    fn remove(&mut self, key: &[u8]) {
+        let prefix = self.prefix();
+        Self::remove_with_prefix(&mut self.inner, &prefix, key);
+    }
+}
@@ -18,6 +18,7 @@ serde = { workspace = true, features = ["derive"] }
 thiserror = { workspace = true }

 [dev-dependencies]
+anyhow = { workspace = true }
 serde_json = { workspace = true }

 [build-dependencies]
@@ -35,7 +35,7 @@ pub enum ContractsCommonError {
 /// Percent represents a value between 0 and 100%
 /// (i.e. between 0.0 and 1.0)
 #[cw_serde]
-#[derive(Copy, Default, PartialOrd)]
+#[derive(Copy, Default, PartialOrd, Ord, Eq)]
 pub struct Percent(#[serde(deserialize_with = "de_decimal_percent")] Decimal);

 impl Percent {
@@ -80,6 +80,44 @@ impl Percent {
    pub fn checked_pow(&self, exp: u32) -> Result<Self, OverflowError> {
        self.0.checked_pow(exp).map(Percent)
    }
+
+    // truncate provided percent to only have 2 decimal places,
+    // e.g. convert "0.1234567" into "0.12"
+    // the purpose of it is to reduce storage space, in particular for the performance contract
+    // since that extra precision gains us nothing
+    #[must_use = "this returns the result of the operation, without modifying the original"]
+    pub fn round_to_two_decimal_places(&self) -> Self {
+        let raw = self.0;
+
+        const DECIMAL_FRACTIONAL: Uint128 = Uint128::new(1_000_000_000_000_000_000u128); // 1*10**18
+        const THRESHOLD: Decimal = Decimal::permille(5); // 0.005
+
+        // in case it ever changes since it's not exposed in the public API
+        debug_assert_eq!(
+            DECIMAL_FRACTIONAL,
+            Uint128::new(10).pow(Decimal::DECIMAL_PLACES)
+        );
+
+        let int = (raw.atomics() * Uint128::new(100)) / DECIMAL_FRACTIONAL;
+
+        #[allow(clippy::unwrap_used)]
+        let floored = Decimal::from_atomics(int, 2).unwrap();
+        let diff = raw - floored;
+        let rounded = if diff >= THRESHOLD {
+            // ceil
+            floored + Decimal::percent(1)
+        } else {
+            floored
+        };
+        Percent(rounded)
+    }
+
+    #[must_use = "this returns the result of the operation, without modifying the original"]
+    pub fn average(&self, other: &Self) -> Self {
+        let sum = self.0 + other.0;
+        let inner = Decimal::from_ratio(sum.numerator(), sum.denominator() * Uint128::new(2));
+        Percent(inner)
+    }
 }

 impl Display for Percent {
@@ -334,6 +372,7 @@ mod tests {
    }

    #[test]
+    #[cfg(feature = "naive_float")]
    fn naive_float_conversion() {
        // around 15 decimal places is the maximum precision we can handle
        // which is still way more than enough for what we use it for
@@ -347,4 +386,41 @@ mod tests {

        assert!(converted.0 - converted.0 < epsilon);
    }
+
+    #[test]
+    fn rounding_percent() {
+        let test_cases = vec![
+            ("0", "0"),
+            ("0.1", "0.1"),
+            ("0.12", "0.12"),
+            ("0.12", "0.123"),
+            ("0.12", "0.123456789"),
+            ("0.13", "0.125"),
+            ("0.13", "0.126"),
+            ("0.13", "0.126436545676"),
+            ("0.99", "0.99"),
+            ("0.99", "0.994"),
+            ("1", "0.999"),
+            ("1", "0.995"),
+        ];
+        for (expected, input) in test_cases {
+            let expected: Percent = expected.parse().unwrap();
+            let pre_truncated: Percent = input.parse().unwrap();
+            assert_eq!(expected, pre_truncated.round_to_two_decimal_places())
+        }
+    }
+
+    #[test]
+    fn calculating_average() -> anyhow::Result<()> {
+        fn p(raw: &str) -> Percent {
+            raw.parse().unwrap()
+        }
+
+        assert_eq!(p("0.1").average(&p("0.1")), p("0.1"));
+        assert_eq!(p("0.1").average(&p("0.2")), p("0.15"));
+        assert_eq!(p("1").average(&p("0")), p("0.5"));
+        assert_eq!(p("0.123").average(&p("0.456")), p("0.2895"));
+
+        Ok(())
+    }
 }
@@ -23,7 +23,6 @@ semver = { workspace = true, features = ["serde"] }
 schemars = { workspace = true }
 thiserror = { workspace = true }
 contracts-common = { path = "../contracts-common", package = "nym-contracts-common", version = "0.5.0" }
-serde-json-wasm = { workspace = true }
 humantime-serde = { workspace = true }
 utoipa = { workspace = true, optional = true }

@@ -40,3 +39,6 @@ contract-testing = []
 utoipa = ["dep:utoipa"]
 schema = ["cw2"]
 generate-ts = ['ts-rs']
+
+[lints]
+workspace = true
@@ -193,6 +193,9 @@ pub enum MixnetContractError {
    #[error("attempted to perform the operation with 0 coins. This is not allowed")]
    ZeroCoinAmount,

+    #[error("key rotation validity below minimum value")]
+    TooShortRotationInterval,
+
    #[error("this validator ({current_validator}) is not the one responsible for advancing this epoch. It's responsibility of {chosen_validator}.")]
    RewardingValidatorMismatch {
        current_validator: Addr,
@@ -3,7 +3,7 @@

 use crate::{IdentityKey, NodeId, SphinxKey};
 use cosmwasm_schema::cw_serde;
-use cosmwasm_std::{Addr, Coin};
+use cosmwasm_std::{to_json_string, Addr, Coin};
 use std::cmp::Ordering;
 use std::fmt::Display;

@@ -154,7 +154,7 @@ pub struct GatewayConfigUpdate {

 impl GatewayConfigUpdate {
    pub fn to_inline_json(&self) -> String {
-        serde_json_wasm::to_string(self).unwrap_or_else(|_| "serialisation failure".into())
+        to_json_string(self).unwrap_or_else(|_| "serialisation failure".into())
    }
 }

@@ -358,7 +358,7 @@ impl Interval {
        self.total_elapsed_epochs
    }

-    pub const fn current_epoch_absolute_id(&self) -> u32 {
+    pub const fn current_epoch_absolute_id(&self) -> EpochId {
        // since we count epochs starting from 0, if n epochs have elapsed, the current one has absolute id of n
        self.total_elapsed_epochs
    }
@@ -0,0 +1,155 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::EpochId;
+use cosmwasm_schema::cw_serde;
+
+pub type KeyRotationId = u32;
+
+#[cw_serde]
+#[derive(Copy)]
+#[cfg_attr(feature = "utoipa", derive(utoipa::ToSchema))]
+pub struct KeyRotationState {
+    /// Defines how long each key rotation is valid for (in terms of epochs)
+    pub validity_epochs: u32,
+
+    /// Records the initial epoch_id when the key rotation has been introduced (0 for fresh contracts).
+    /// It is used for determining when rotation is meant to advance.
+    #[cfg_attr(feature = "utoipa", schema(value_type = u32))]
+    pub initial_epoch_id: EpochId,
+}
+
+impl KeyRotationState {
+    pub fn key_rotation_id(&self, current_epoch_id: EpochId) -> KeyRotationId {
+        let diff = current_epoch_id.saturating_sub(self.initial_epoch_id);
+        diff / self.validity_epochs
+    }
+
+    pub fn next_rotation_starting_epoch_id(&self, current_epoch_id: EpochId) -> EpochId {
+        self.current_rotation_starting_epoch_id(current_epoch_id) + self.validity_epochs
+    }
+
+    pub fn current_rotation_starting_epoch_id(&self, current_epoch_id: EpochId) -> EpochId {
+        let current_rotation_id = self.key_rotation_id(current_epoch_id);
+
+        self.initial_epoch_id + self.validity_epochs * current_rotation_id
+    }
+}
+
+#[cw_serde]
+pub struct KeyRotationIdResponse {
+    pub rotation_id: KeyRotationId,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn key_rotation_id() {
+        let state = KeyRotationState {
+            validity_epochs: 24,
+            initial_epoch_id: 0,
+        };
+        assert_eq!(0, state.key_rotation_id(0));
+        assert_eq!(0, state.key_rotation_id(23));
+        assert_eq!(1, state.key_rotation_id(24));
+        assert_eq!(1, state.key_rotation_id(47));
+        assert_eq!(2, state.key_rotation_id(48));
+
+        let state = KeyRotationState {
+            validity_epochs: 12,
+            initial_epoch_id: 0,
+        };
+        assert_eq!(0, state.key_rotation_id(0));
+        assert_eq!(0, state.key_rotation_id(11));
+        assert_eq!(1, state.key_rotation_id(12));
+        assert_eq!(1, state.key_rotation_id(23));
+        assert_eq!(2, state.key_rotation_id(24));
+
+        let state = KeyRotationState {
+            validity_epochs: 24,
+            initial_epoch_id: 10000,
+        };
+        assert_eq!(0, state.key_rotation_id(123));
+        assert_eq!(0, state.key_rotation_id(10000));
+        assert_eq!(0, state.key_rotation_id(10001));
+        assert_eq!(0, state.key_rotation_id(10023));
+        assert_eq!(1, state.key_rotation_id(10024));
+        assert_eq!(1, state.key_rotation_id(10047));
+        assert_eq!(2, state.key_rotation_id(10048));
+        assert_eq!(2, state.key_rotation_id(10060));
+    }
+
+    #[test]
+    fn next_rotation_starting_epoch_id() {
+        let state = KeyRotationState {
+            validity_epochs: 24,
+            initial_epoch_id: 0,
+        };
+        assert_eq!(24, state.next_rotation_starting_epoch_id(0));
+        assert_eq!(24, state.next_rotation_starting_epoch_id(23));
+        assert_eq!(48, state.next_rotation_starting_epoch_id(24));
+        assert_eq!(48, state.next_rotation_starting_epoch_id(47));
+        assert_eq!(72, state.next_rotation_starting_epoch_id(48));
+
+        let state = KeyRotationState {
+            validity_epochs: 12,
+            initial_epoch_id: 0,
+        };
+        assert_eq!(12, state.next_rotation_starting_epoch_id(0));
+        assert_eq!(12, state.next_rotation_starting_epoch_id(11));
+        assert_eq!(24, state.next_rotation_starting_epoch_id(12));
+        assert_eq!(24, state.next_rotation_starting_epoch_id(23));
+        assert_eq!(36, state.next_rotation_starting_epoch_id(24));
+
+        let state = KeyRotationState {
+            validity_epochs: 24,
+            initial_epoch_id: 10000,
+        };
+        assert_eq!(10024, state.next_rotation_starting_epoch_id(123));
+        assert_eq!(10024, state.next_rotation_starting_epoch_id(10000));
+        assert_eq!(10024, state.next_rotation_starting_epoch_id(10001));
+        assert_eq!(10024, state.next_rotation_starting_epoch_id(10023));
+        assert_eq!(10048, state.next_rotation_starting_epoch_id(10024));
+        assert_eq!(10048, state.next_rotation_starting_epoch_id(10047));
+        assert_eq!(10072, state.next_rotation_starting_epoch_id(10048));
+        assert_eq!(10072, state.next_rotation_starting_epoch_id(10060));
+    }
+
+    #[test]
+    fn current_rotation_starting_epoch_id() {
+        let state = KeyRotationState {
+            validity_epochs: 24,
+            initial_epoch_id: 0,
+        };
+        assert_eq!(0, state.current_rotation_starting_epoch_id(0));
+        assert_eq!(0, state.current_rotation_starting_epoch_id(23));
+        assert_eq!(24, state.current_rotation_starting_epoch_id(24));
+        assert_eq!(24, state.current_rotation_starting_epoch_id(47));
+        assert_eq!(48, state.current_rotation_starting_epoch_id(48));
+
+        let state = KeyRotationState {
+            validity_epochs: 12,
+            initial_epoch_id: 0,
+        };
+        assert_eq!(0, state.current_rotation_starting_epoch_id(0));
+        assert_eq!(0, state.current_rotation_starting_epoch_id(11));
+        assert_eq!(12, state.current_rotation_starting_epoch_id(12));
+        assert_eq!(12, state.current_rotation_starting_epoch_id(23));
+        assert_eq!(24, state.current_rotation_starting_epoch_id(24));
+
+        let state = KeyRotationState {
+            validity_epochs: 24,
+            initial_epoch_id: 10000,
+        };
+        assert_eq!(10000, state.current_rotation_starting_epoch_id(123));
+        assert_eq!(10000, state.current_rotation_starting_epoch_id(10000));
+        assert_eq!(10000, state.current_rotation_starting_epoch_id(10001));
+        assert_eq!(10000, state.current_rotation_starting_epoch_id(10023));
+        assert_eq!(10024, state.current_rotation_starting_epoch_id(10024));
+        assert_eq!(10024, state.current_rotation_starting_epoch_id(10047));
+        assert_eq!(10048, state.current_rotation_starting_epoch_id(10048));
+        assert_eq!(10048, state.current_rotation_starting_epoch_id(10060));
+    }
+}
@@ -1,10 +1,6 @@
 // Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-#![warn(clippy::expect_used)]
-#![warn(clippy::unwrap_used)]
-#![warn(clippy::todo)]
-
 mod config_score;
 pub mod constants;
 pub mod delegation;
@@ -13,6 +9,7 @@ pub mod events;
 pub mod gateway;
 pub mod helpers;
 pub mod interval;
+pub mod key_rotation;
 pub mod mixnode;
 pub mod msg;
 pub mod nym_node;
@@ -37,6 +34,7 @@ pub use gateway::{
 pub use interval::{
    CurrentIntervalResponse, EpochId, EpochState, EpochStatus, Interval, IntervalId,
 };
+pub use key_rotation::*;
 pub use mixnode::{
    LegacyMixLayer, MixNode, MixNodeBond, MixNodeConfigUpdate, MixNodeDetails,
    MixOwnershipResponse, MixnodeDetailsByIdentityResponse, MixnodeDetailsResponse, NodeCostParams,
@@ -16,7 +16,7 @@ use crate::{
    Percent, ProfitMarginRange, SphinxKey,
 };
 use cosmwasm_schema::cw_serde;
-use cosmwasm_std::{Addr, Coin, Decimal, StdResult, Uint128};
+use cosmwasm_std::{to_json_string, Addr, Coin, Decimal, StdResult, Uint128};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use serde_repr::{Deserialize_repr, Serialize_repr};
@@ -170,6 +170,11 @@ impl NodeRewarding {
        }
    }

+    // we panic here as opposed to returning an error as this is undefined behaviour,
+    // because the pledge amount has decreased (i.e. slashing has occurred) which
+    // should not be possible under any situation. at this point we don't know how many other things
+    // might have failed so we have to bail
+    #[allow(clippy::panic)]
    pub fn pending_detailed_operator_reward(&self, original_pledge: &Coin) -> StdResult<Decimal> {
        let initial_dec = original_pledge.amount.into_base_decimal()?;
        if initial_dec > self.operator {
@@ -189,6 +194,11 @@ impl NodeRewarding {
        Ok(truncate_reward(delegator_reward, &delegation.amount.denom))
    }

+    // we panic here as opposed to returning an error as this is undefined behaviour,
+    // because the pledge amount has decreased (i.e. slashing has occurred) which
+    // should not be possible under any situation. at this point we don't know how many other things
+    // might have failed so we have to bail
+    #[allow(clippy::panic)]
    pub fn withdraw_operator_reward(
        &mut self,
        original_pledge: &Coin,
@@ -594,7 +604,7 @@ pub struct NodeCostParams {

 impl NodeCostParams {
    pub fn to_inline_json(&self) -> String {
-        serde_json_wasm::to_string(self).unwrap_or_else(|_| "serialisation failure".into())
+        to_json_string(self).unwrap_or_else(|_| "serialisation failure".into())
    }
 }

@@ -763,7 +773,7 @@ pub struct MixNodeConfigUpdate {

 impl MixNodeConfigUpdate {
    pub fn to_inline_json(&self) -> String {
-        serde_json_wasm::to_string(self).unwrap_or_else(|_| "serialisation failure".into())
+        to_json_string(self).unwrap_or_else(|_| "serialisation failure".into())
    }
 }

@@ -35,6 +35,7 @@ use crate::{
        PreassignedGatewayIdsResponse,
    },
    interval::{CurrentIntervalResponse, EpochStatus},
+    key_rotation::{KeyRotationIdResponse, KeyRotationState},
    mixnode::{
        MixOwnershipResponse, MixStakeSaturationResponse, MixnodeDetailsByIdentityResponse,
        MixnodeDetailsResponse, MixnodeRewardingDetailsResponse, PagedMixnodeBondsResponse,
@@ -81,6 +82,18 @@ pub struct InstantiateMsg {

    #[serde(default)]
    pub interval_operating_cost: OperatingCostRange,
+
+    #[serde(default)]
+    pub key_validity_in_epochs: Option<u32>,
+}
+
+impl InstantiateMsg {
+    // needs to give us enough time to pre-announce key for following epoch
+    // and have an overlap with the preceding epoch
+    pub const MIN_KEY_ROTATION_VALIDITY: u32 = 3;
+    pub fn key_validity_in_epochs(&self) -> u32 {
+        self.key_validity_in_epochs.unwrap_or(24)
+    }
 }

 #[cw_serde]
@@ -857,6 +870,15 @@ pub enum QueryMsg {
        /// Cosmos address used for the query of the signing nonce.
        address: String,
    },
+
+    // sphinx key rotation-related
+    #[cfg_attr(feature = "schema", returns(KeyRotationState))]
+    /// Gets the current state config of the key rotation (i.e. starting epoch id and validity duration)
+    GetKeyRotationState {},
+
+    /// Gets the current key rotation id
+    #[cfg_attr(feature = "schema", returns(KeyRotationIdResponse))]
+    GetKeyRotationId {},
 }

 #[cw_serde]
@@ -5,7 +5,7 @@ use crate::helpers::IntoBaseDecimal;
 use crate::nym_node::Role;
 use crate::{error::MixnetContractError, Percent};
 use cosmwasm_schema::cw_serde;
-use cosmwasm_std::Decimal;
+use cosmwasm_std::{to_json_string, Decimal};

 pub type Performance = Percent;
 pub type WorkFactor = Decimal;
@@ -84,7 +84,7 @@ pub struct IntervalRewardParams {

 impl IntervalRewardParams {
    pub fn to_inline_json(&self) -> String {
-        serde_json_wasm::to_string(self).unwrap_or_else(|_| "serialisation failure".into())
+        to_json_string(self).unwrap_or_else(|_| "serialisation failure".into())
    }
 }

@@ -410,7 +410,7 @@ impl IntervalRewardingParamsUpdate {
    }

    pub fn to_inline_json(&self) -> String {
-        serde_json_wasm::to_string(self).unwrap_or_else(|_| "serialisation failure".into())
+        to_json_string(self).unwrap_or_else(|_| "serialisation failure".into())
    }
 }

@@ -151,6 +151,9 @@ impl Simulator {
        }
    }

+    // this code is not meant to be used in production systems, only in tests
+    // so a panic due to inconsistent arguments is fine
+    #[allow(clippy::panic)]
    pub fn simulate_epoch(
        &mut self,
        node_params: &BTreeMap<NodeId, NodeRewardingParameters>,
@@ -0,0 +1,29 @@
+[package]
+name = "nym-performance-contract-common"
+version = "0.1.0"
+authors.workspace = true
+repository.workspace = true
+homepage.workspace = true
+documentation.workspace = true
+edition.workspace = true
+license.workspace = true
+rust-version.workspace = true
+readme.workspace = true
+
+[dependencies]
+thiserror = { workspace = true }
+serde = { workspace = true }
+schemars = { workspace = true }
+
+cosmwasm-std = { workspace = true }
+cosmwasm-schema = { workspace = true }
+cw-controllers = { workspace = true }
+
+nym-contracts-common = { path = "../contracts-common" }
+
+
+[features]
+schema = []
+
+[lints]
+workspace = true
@@ -0,0 +1,13 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+pub mod storage_keys {
+    pub const CONTRACT_ADMIN: &str = "contract-admin";
+    pub const INITIAL_EPOCH_ID: &str = "initial-epoch-id";
+    pub const MIXNET_CONTRACT: &str = "mixnet-contract";
+    pub const AUTHORISED_COUNT: &str = "authorised-count";
+    pub const AUTHORISED: &str = "authorised";
+    pub const RETIRED: &str = "retired";
+    pub const PERFORMANCE_RESULTS: &str = "performance-results";
+    pub const SUBMISSION_METADATA: &str = "submission-metadata";
+}
@@ -0,0 +1,39 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::{EpochId, NodeId};
+use cosmwasm_std::Addr;
+use cw_controllers::AdminError;
+use thiserror::Error;
+
+#[derive(Error, Debug, PartialEq)]
+pub enum NymPerformanceContractError {
+    #[error("could not perform contract migration: {comment}")]
+    FailedMigration { comment: String },
+
+    #[error(transparent)]
+    Admin(#[from] AdminError),
+
+    #[error(transparent)]
+    StdErr(#[from] cosmwasm_std::StdError),
+
+    #[error("{address} is already an authorised network monitor")]
+    AlreadyAuthorised { address: Addr },
+
+    #[error("{address} is not an authorised network monitor")]
+    NotAuthorised { address: Addr },
+
+    #[error("attempted to submit performance data for epoch {epoch_id} and node {node_id} whilst last submitted was {last_epoch_id} for node {last_node_id}")]
+    StalePerformanceSubmission {
+        epoch_id: EpochId,
+        node_id: NodeId,
+        last_epoch_id: EpochId,
+        last_node_id: NodeId,
+    },
+
+    #[error("the batch performance data has not been sorted")]
+    UnsortedBatchSubmission,
+
+    #[error("node {node_id} does not appear to be bonded")]
+    NodeNotBonded { node_id: NodeId },
+}
@@ -0,0 +1,2 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
@@ -0,0 +1,12 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+pub mod constants;
+pub mod error;
+pub mod helpers;
+pub mod msg;
+pub mod types;
+
+pub use error::*;
+pub use msg::{ExecuteMsg, InstantiateMsg, MigrateMsg, QueryMsg};
+pub use types::*;
@@ -0,0 +1,121 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::{EpochId, NodeId, NodePerformance};
+use cosmwasm_schema::cw_serde;
+
+#[cfg(feature = "schema")]
+use crate::types::{
+    EpochMeasurementsPagedResponse, EpochPerformancePagedResponse,
+    FullHistoricalPerformancePagedResponse, NetworkMonitorResponse, NetworkMonitorsPagedResponse,
+    NodeMeasurementsResponse, NodePerformancePagedResponse, NodePerformanceResponse,
+    RetiredNetworkMonitorsPagedResponse,
+};
+
+#[cw_serde]
+pub struct InstantiateMsg {
+    pub mixnet_contract_address: String,
+    pub authorised_network_monitors: Vec<String>,
+}
+
+#[cw_serde]
+pub enum ExecuteMsg {
+    /// Change the admin
+    UpdateAdmin { admin: String },
+
+    /// Attempt to submit performance data of a particular node for given epoch
+    Submit {
+        epoch: EpochId,
+        data: NodePerformance,
+    },
+
+    /// Attempt to submit performance data of a batch of nodes for given epoch
+    BatchSubmit {
+        epoch: EpochId,
+        data: Vec<NodePerformance>,
+    },
+
+    /// Attempt to authorise new network monitor for submitting performance data
+    AuthoriseNetworkMonitor { address: String },
+
+    /// Attempt to retire an existing network monitor and forbid it from submitting any future performance data
+    RetireNetworkMonitor { address: String },
+
+    /// An admin method to remove submitted node measurements. Used as an escape hatch should
+    /// the data stored get too unwieldy.
+    RemoveNodeMeasurements { epoch_id: EpochId, node_id: NodeId },
+
+    /// An admin method to remove submitted nodes measurements. Used as an escape hatch should
+    /// the data stored get too unwieldy. Note: it is expected to get called multiple times
+    /// until the response indicates all the epoch data has been removed.
+    RemoveEpochMeasurements { epoch_id: EpochId },
+}
+
+#[cw_serde]
+#[cfg_attr(feature = "schema", derive(cosmwasm_schema::QueryResponses))]
+pub enum QueryMsg {
+    #[cfg_attr(feature = "schema", returns(cw_controllers::AdminResponse))]
+    Admin {},
+
+    /// Returns performance of particular node for the provided epoch
+    #[cfg_attr(feature = "schema", returns(NodePerformanceResponse))]
+    NodePerformance { epoch_id: EpochId, node_id: NodeId },
+
+    /// Returns historical performance for particular node
+    #[cfg_attr(feature = "schema", returns(NodePerformancePagedResponse))]
+    NodePerformancePaged {
+        node_id: NodeId,
+        start_after: Option<EpochId>,
+        limit: Option<u32>,
+    },
+
+    /// Returns all submitted measurements for the particular node
+    #[cfg_attr(feature = "schema", returns(NodeMeasurementsResponse))]
+    NodeMeasurements { epoch_id: EpochId, node_id: NodeId },
+
+    /// Returns (paged) measurements for particular epoch
+    #[cfg_attr(feature = "schema", returns(EpochMeasurementsPagedResponse))]
+    EpochMeasurementsPaged {
+        epoch_id: EpochId,
+        start_after: Option<NodeId>,
+        limit: Option<u32>,
+    },
+
+    /// Returns (paged) performance for particular epoch
+    #[cfg_attr(feature = "schema", returns(EpochPerformancePagedResponse))]
+    EpochPerformancePaged {
+        epoch_id: EpochId,
+        start_after: Option<NodeId>,
+        limit: Option<u32>,
+    },
+
+    /// Returns full (paged) historical performance of the whole network
+    #[cfg_attr(feature = "schema", returns(FullHistoricalPerformancePagedResponse))]
+    FullHistoricalPerformancePaged {
+        start_after: Option<(EpochId, NodeId)>,
+        limit: Option<u32>,
+    },
+
+    /// Returns information about particular network monitor
+    #[cfg_attr(feature = "schema", returns(NetworkMonitorResponse))]
+    NetworkMonitor { address: String },
+
+    /// Returns information about all network monitors
+    #[cfg_attr(feature = "schema", returns(NetworkMonitorsPagedResponse))]
+    NetworkMonitorsPaged {
+        start_after: Option<String>,
+        limit: Option<u32>,
+    },
+
+    /// Returns information about all retired network monitors
+    #[cfg_attr(feature = "schema", returns(RetiredNetworkMonitorsPagedResponse))]
+    RetiredNetworkMonitorsPaged {
+        start_after: Option<String>,
+        limit: Option<u32>,
+    },
+}
+
+#[cw_serde]
+pub struct MigrateMsg {
+    //
+}
@@ -0,0 +1,242 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use cosmwasm_schema::cw_serde;
+use cosmwasm_std::{Addr, Env};
+use nym_contracts_common::Percent;
+
+pub type EpochId = u32;
+pub type NodeId = u32;
+
+#[cw_serde]
+pub struct NetworkMonitorDetails {
+    pub address: Addr,
+    pub authorised_by: Addr,
+    pub authorised_at_height: u64,
+}
+
+impl NetworkMonitorDetails {
+    pub fn retire(self, env: &Env, sender: &Addr) -> RetiredNetworkMonitor {
+        RetiredNetworkMonitor {
+            details: self,
+            retired_by: sender.clone(),
+            retired_at_height: env.block.height,
+        }
+    }
+}
+
+#[cw_serde]
+pub struct RetiredNetworkMonitor {
+    pub details: NetworkMonitorDetails,
+    pub retired_by: Addr,
+    pub retired_at_height: u64,
+}
+
+#[cw_serde]
+#[derive(Copy)]
+pub struct NodePerformance {
+    #[serde(rename = "n")]
+    pub node_id: NodeId,
+
+    // note: value is rounded to 2 decimal places.
+    #[serde(rename = "p")]
+    pub performance: Percent,
+}
+
+#[cw_serde]
+pub struct NetworkMonitorSubmissionMetadata {
+    pub last_submitted_epoch_id: EpochId,
+    pub last_submitted_node_id: NodeId,
+}
+
+// the internal values are always sorted
+#[cw_serde]
+pub struct NodeResults(Vec<Percent>);
+
+impl NodeResults {
+    pub fn new(initial: Percent) -> NodeResults {
+        NodeResults(vec![initial.round_to_two_decimal_places()])
+    }
+
+    // ASSUMPTION: number of NM will be relatively small, so loading the whole vector of values
+    // to insert new one and resave is cheap
+    pub fn insert_new(&mut self, result: Percent) {
+        let result = result.round_to_two_decimal_places();
+        let pos = self.0.binary_search(&result).unwrap_or_else(|e| e);
+        self.0.insert(pos, result);
+    }
+
+    // SAFETY: there are no codepaths that allow constructing empty struct
+    pub fn median(&self) -> Percent {
+        let len = self.0.len();
+        if len % 2 == 1 {
+            // odd number of elements: return the middle one
+            self.0[len / 2]
+        } else {
+            // even number: average the two middle elements
+            let mid1 = self.0[len / 2 - 1];
+            let mid2 = self.0[len / 2];
+            mid1.average(&mid2).round_to_two_decimal_places()
+        }
+    }
+
+    pub fn inner(&self) -> &[Percent] {
+        &self.0
+    }
+}
+
+#[cw_serde]
+pub struct NodePerformanceResponse {
+    pub performance: Option<Percent>,
+}
+
+#[cw_serde]
+pub struct NodeMeasurementsResponse {
+    pub measurements: Option<NodeResults>,
+}
+
+#[cw_serde]
+#[derive(Copy)]
+pub struct EpochNodePerformance {
+    pub epoch: EpochId,
+    pub performance: Option<Percent>,
+}
+
+#[cw_serde]
+pub struct NodePerformancePagedResponse {
+    pub node_id: NodeId,
+    pub performance: Vec<EpochNodePerformance>,
+    pub start_next_after: Option<EpochId>,
+}
+
+#[cw_serde]
+pub struct EpochPerformancePagedResponse {
+    pub epoch_id: EpochId,
+    pub performance: Vec<NodePerformance>,
+    pub start_next_after: Option<NodeId>,
+}
+
+#[cw_serde]
+pub struct NodeMeasurement {
+    pub node_id: NodeId,
+    pub measurements: NodeResults,
+}
+
+#[cw_serde]
+pub struct EpochMeasurementsPagedResponse {
+    pub epoch_id: EpochId,
+    pub measurements: Vec<NodeMeasurement>,
+    pub start_next_after: Option<NodeId>,
+}
+
+#[cw_serde]
+#[derive(Copy)]
+pub struct HistoricalPerformance {
+    pub epoch_id: EpochId,
+    pub node_id: NodeId,
+    pub performance: Percent,
+}
+
+#[cw_serde]
+pub struct FullHistoricalPerformancePagedResponse {
+    pub performance: Vec<HistoricalPerformance>,
+    pub start_next_after: Option<(EpochId, NodeId)>,
+}
+
+#[cw_serde]
+pub struct NetworkMonitorInformation {
+    pub details: NetworkMonitorDetails,
+    pub current_submission_metadata: NetworkMonitorSubmissionMetadata,
+}
+
+#[cw_serde]
+pub struct NetworkMonitorResponse {
+    pub info: Option<NetworkMonitorInformation>,
+}
+
+#[cw_serde]
+pub struct NetworkMonitorsPagedResponse {
+    pub info: Vec<NetworkMonitorInformation>,
+    pub start_next_after: Option<String>,
+}
+
+#[cw_serde]
+pub struct RetiredNetworkMonitorsPagedResponse {
+    pub info: Vec<RetiredNetworkMonitor>,
+    pub start_next_after: Option<String>,
+}
+
+#[cw_serde]
+pub struct RemoveEpochMeasurementsResponse {
+    pub additional_entries_to_remove_remaining: bool,
+}
+
+#[cw_serde]
+#[derive(Default)]
+pub struct BatchSubmissionResult {
+    pub accepted_scores: u64,
+    pub non_existent_nodes: Vec<NodeId>,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn p(raw: impl AsRef<str>) -> Percent {
+        raw.as_ref().parse().unwrap()
+    }
+
+    fn ps(raw: &[&str]) -> Vec<Percent> {
+        raw.iter().map(p).collect()
+    }
+
+    #[test]
+    fn node_results_insertion() {
+        let initial = NodeResults::new(p("0.5"));
+
+        let mut smaller = initial.clone();
+        let mut greater = initial.clone();
+
+        smaller.insert_new(p("0.4"));
+        greater.insert_new(p("0.6"));
+
+        assert_eq!(smaller.0, ps(&["0.4", "0.5"]));
+        assert_eq!(greater.0, ps(&["0.5", "0.6"]));
+
+        let mut another = NodeResults(ps(&["0.1", "0.4", "0.5", "0.6", "0.6", "1.0"]));
+        another.insert_new(p("0.6"));
+        another.insert_new(p("0.2"));
+        another.insert_new(p("0.7"));
+        another.insert_new(p("0.3"));
+        another.insert_new(p("0.3"));
+        another.insert_new(p("0.55"));
+
+        assert_eq!(
+            another.0,
+            ps(&[
+                "0.1", "0.2", "0.3", "0.3", "0.4", "0.5", "0.55", "0.6", "0.6", "0.6", "0.7", "1.0"
+            ])
+        );
+    }
+
+    #[test]
+    fn node_results_median() {
+        let results = NodeResults(ps(&["0.1"]));
+        assert_eq!(results.median(), p("0.1"));
+
+        let results = NodeResults(ps(&["0.1", "0.2"]));
+        assert_eq!(results.median(), p("0.15"));
+
+        let results = NodeResults(ps(&["0.1", "0.2", "0.3"]));
+        assert_eq!(results.median(), p("0.2"));
+
+        let results = NodeResults(ps(&["0.1", "0.2", "0.3", "0.4"]));
+        assert_eq!(results.median(), p("0.25"));
+
+        let results = NodeResults(ps(&["0.1", "0.2", "0.3", "0.4", "0.5"]));
+        assert_eq!(results.median(), p("0.3"));
+
+        let results = NodeResults(ps(&["0", "0", "1", "1", "1", "1", "1"]));
+        assert_eq!(results.median(), p("1"));
+    }
+}
@@ -0,0 +1,27 @@
+[package]
+name = "nym-pool-contract-common"
+version = "0.1.0"
+description = "Common library for the Nym Pool contract"
+authors.workspace = true
+repository.workspace = true
+homepage.workspace = true
+documentation.workspace = true
+edition.workspace = true
+license.workspace = true
+rust-version.workspace = true
+readme.workspace = true
+
+[dependencies]
+thiserror = { workspace = true }
+serde = { workspace = true }
+schemars = { workspace = true }
+
+cosmwasm-std = { workspace = true }
+cosmwasm-schema = { workspace = true }
+cw-controllers = { workspace = true }
+
+[dev-dependencies]
+time = { workspace = true, features = ["macros"] }
+
+[features]
+schema = []
@@ -0,0 +1,11 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+pub mod storage_keys {
+    pub const CONTRACT_ADMIN: &str = "contract-admin";
+    pub const POOL_DENOMINATION: &str = "pool_denom";
+    pub const GRANTERS: &str = "granters";
+    pub const GRANTS: &str = "grants";
+    pub const TOTAL_LOCKED: &str = "total_locked";
+    pub const LOCKED_GRANTEES: &str = "locked_grantees";
+}
@@ -0,0 +1,98 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use cosmwasm_std::{Coin, Uint128};
+use cw_controllers::AdminError;
+use thiserror::Error;
+
+#[derive(Error, Debug, PartialEq)]
+pub enum NymPoolContractError {
+    #[error("could not perform contract migration: {comment}")]
+    FailedMigration { comment: String },
+
+    #[error(transparent)]
+    Admin(#[from] AdminError),
+
+    #[error(transparent)]
+    StdErr(#[from] cosmwasm_std::StdError),
+
+    #[error("this sender is not authorised to revoke this grant. its neither the admin or the original (and still whitelisted) granter")]
+    UnauthorizedGrantRevocation,
+
+    #[error("the specified address is already a whitelisted granter")]
+    AlreadyAGranter,
+
+    #[error("{addr} is not a permitted granter")]
+    InvalidGranter { addr: String },
+
+    #[error("invalid coin denomination. got {got}, but expected {expected}")]
+    InvalidDenom { expected: String, got: String },
+
+    #[error("there already exists an active grant for {grantee}. it was granted by {granter} at block height {created_at_height}")]
+    GrantAlreadyExist {
+        granter: String,
+        grantee: String,
+        created_at_height: u64,
+    },
+
+    #[error("could not find any active grants for {grantee}")]
+    GrantNotFound { grantee: String },
+
+    #[error("the provided timestamp value ({timestamp}) is set in the past. the current block timestamp is {current_block_timestamp}")]
+    TimestampInThePast {
+        timestamp: u64,
+        current_block_timestamp: u64,
+    },
+
+    #[error("there are not enough tokens to process this request. {available} are available, but {required} is needed.")]
+    InsufficientTokens { available: Coin, required: Coin },
+
+    #[error("the period length can't be zero")]
+    ZeroAllowancePeriod,
+
+    #[error("the provided coin value is zero")]
+    ZeroAmount,
+
+    #[error("the periodic spend limit of {periodic} was set to be higher than the total spend limit {total_limit}")]
+    PeriodicGrantOverSpendLimit { periodic: Coin, total_limit: Coin },
+
+    #[error("the accumulation spend limit of {accumulation} was set to be lower than the periodic grant amount of {periodic_grant}")]
+    AccumulationBelowGrantAmount {
+        accumulation: Coin,
+        periodic_grant: Coin,
+    },
+
+    #[error("the accumulation spend limit of {accumulation} was set to be higher than the total spend limit of {total_limit}")]
+    AccumulationOverSpendLimit {
+        accumulation: Coin,
+        total_limit: Coin,
+    },
+
+    #[error("the specified delayed allowance would never be available. it would become active at {available_timestamp} yet it expires at {expiration_timestamp}")]
+    UnattainableDelayedAllowance {
+        expiration_timestamp: u64,
+        available_timestamp: u64,
+    },
+
+    #[error("could not unlock {requested} tokens from {grantee}. it only has {locked} locked")]
+    InsufficientLockedTokens {
+        grantee: String,
+        locked: Uint128,
+        requested: Uint128,
+    },
+
+    #[error("attempted to spend more tokens than permitted by the current allowance")]
+    SpendingAboveAllowance,
+
+    #[error("attempted to send an empty allowance usage request")]
+    EmptyUsageRequest,
+
+    #[error("the associated grant has already expired")]
+    GrantExpired,
+
+    #[error("the associated grant hasn't expired yet")]
+    GrantNotExpired,
+
+    #[error("this grant is not available yet. it will become usable at {available_at_timestamp}")]
+    GrantNotYetAvailable { available_at_timestamp: u64 },
+}
@@ -0,0 +1,12 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+pub mod constants;
+pub mod error;
+pub mod msg;
+pub mod types;
+mod utils;
+
+pub use error::*;
+pub use msg::{ExecuteMsg, InstantiateMsg, MigrateMsg, QueryMsg};
+pub use types::*;
--- a/Show More
+++ b/Show More