ci: split relay runtime from polkadot node binary

.github/actions/use-polkadot-binaries/action.yml

@@ -8,13 +8,14 @@ description: |
     consume  — restore-only with fail-on-cache-miss. Use in matrix legs / consumers.
 
   Versions are read from .github/env (POLKADOT_NODE_VERSION, CHAIN_SPEC_BUILDER_VERSION,
-  ZOMBIENET_VERSION, TRY_RUNTIME_VERSION, FRAME_OMNI_BENCHER_VERSION). The action loads
-  that file into $GITHUB_ENV and installs `just` for you — callers only need to checkout
+  ZOMBIENET_VERSION, TRY_RUNTIME_VERSION, FRAME_OMNI_BENCHER_VERSION,
+  WESTEND_RELAY_RUNTIME_VERSION, PASEO_RELAY_RUNTIME_VERSION). The action loads that
+  file into $GITHUB_ENV and installs `just` for you — callers only need to checkout
   the repo first.
 
 inputs:
   groups:
-    description: Space-separated binary groups. Supported - polkadot-node, chain-spec-builder, zombienet, try-runtime, frame-omni-bencher.
+    description: Space-separated binary groups. Supported - polkadot-node, chain-spec-builder, zombienet, try-runtime, frame-omni-bencher, westend-relay-runtime, paseo-relay-runtime.
     required: true
   mode:
     description: prepare (populate + save, non-matrix job) or consume (restore-only).
@@ -38,7 +39,7 @@ runs:
           echo "::error::use-polkadot-binaries: groups must be a non-empty space-separated list"
           exit 1
         fi
-        VALID="polkadot-node chain-spec-builder zombienet try-runtime frame-omni-bencher"
+        VALID="polkadot-node chain-spec-builder zombienet try-runtime frame-omni-bencher westend-relay-runtime paseo-relay-runtime"
         for g in $INPUT_GROUPS; do
           case " $VALID " in
             *" $g "*) ;;
@@ -232,3 +233,51 @@ runs:
           chmod -R +x "${POLKADOT_BINARIES_DIR}/frame-omni-bencher"
         fi
         just binaries-bencher >> "$GITHUB_PATH"
+
+    # ============================================================
+    # westend-relay-runtime (WASM artifact; no PATH append)
+    # ============================================================
+    - name: Cache westend-relay-runtime WASM
+      id: cache-westend-relay-runtime
+      if: inputs.mode == 'prepare' && contains(format(' {0} ', inputs.groups), ' westend-relay-runtime ')
+      uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+      with:
+        path: ${{ env.POLKADOT_BINARIES_DIR }}/westend-relay-runtime
+        key: polkadot-binaries-${{ runner.os }}-westend-relay-runtime-${{ env.WESTEND_RELAY_RUNTIME_VERSION }}
+
+    - name: Populate westend-relay-runtime WASM
+      if: inputs.mode == 'prepare' && contains(format(' {0} ', inputs.groups), ' westend-relay-runtime ') && steps.cache-westend-relay-runtime.outputs.cache-hit != 'true'
+      shell: bash
+      run: just binaries-westend-relay-runtime > /dev/null
+
+    - name: Restore westend-relay-runtime WASM
+      if: inputs.mode == 'consume' && contains(format(' {0} ', inputs.groups), ' westend-relay-runtime ')
+      uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+      with:
+        path: ${{ env.POLKADOT_BINARIES_DIR }}/westend-relay-runtime
+        key: polkadot-binaries-${{ runner.os }}-westend-relay-runtime-${{ env.WESTEND_RELAY_RUNTIME_VERSION }}
+        fail-on-cache-miss: true
+
+    # ============================================================
+    # paseo-relay-runtime (WASM artifact; no PATH append)
+    # ============================================================
+    - name: Cache paseo-relay-runtime WASM
+      id: cache-paseo-relay-runtime
+      if: inputs.mode == 'prepare' && contains(format(' {0} ', inputs.groups), ' paseo-relay-runtime ')
+      uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+      with:
+        path: ${{ env.POLKADOT_BINARIES_DIR }}/paseo-relay-runtime
+        key: polkadot-binaries-${{ runner.os }}-paseo-relay-runtime-${{ env.PASEO_RELAY_RUNTIME_VERSION }}
+
+    - name: Populate paseo-relay-runtime WASM
+      if: inputs.mode == 'prepare' && contains(format(' {0} ', inputs.groups), ' paseo-relay-runtime ') && steps.cache-paseo-relay-runtime.outputs.cache-hit != 'true'
+      shell: bash
+      run: just binaries-paseo-relay-runtime > /dev/null
+
+    - name: Restore paseo-relay-runtime WASM
+      if: inputs.mode == 'consume' && contains(format(' {0} ', inputs.groups), ' paseo-relay-runtime ')
+      uses: actions/cache/restore@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
+      with:
+        path: ${{ env.POLKADOT_BINARIES_DIR }}/paseo-relay-runtime
+        key: polkadot-binaries-${{ runner.os }}-paseo-relay-runtime-${{ env.PASEO_RELAY_RUNTIME_VERSION }}
+        fail-on-cache-miss: true

.github/env

@@ -3,7 +3,9 @@ RUST_STABLE_VERSION=1.88.0
 NODE_VERSION=22
 KUBO_VERSION=v0.40.1
 POLKADOT_BINARIES_DIR=.polkadot-binaries
-POLKADOT_NODE_VERSION=d6a4f5977b39bf5e5152e2f2bb6719ea92b992ea
+POLKADOT_NODE_VERSION=35a3e48a586624abdea6629d2ace90f637444be8
+WESTEND_RELAY_RUNTIME_VERSION=35a3e48a586624abdea6629d2ace90f637444be8
+PASEO_RELAY_RUNTIME_VERSION=ed51b038e2c5150c86dac96ff65454836e17678e
 FRAME_OMNI_BENCHER_VERSION=polkadot-stable2603
 CHAIN_SPEC_BUILDER_VERSION=polkadot-stable2603
 TRY_RUNTIME_VERSION=v0.10.1

.github/workflows/chainspec-sync-check.yml

@@ -22,23 +22,14 @@ jobs:
   set-image:
     uses: ./.github/workflows/set-image.yml
 
-  # Pre-warm the binary cache once so matrix legs hit the cache instead of
-  # each one source-building polkadot-omni-node independently.
+  # Pre-warm the binary cache once. Cross-workflow concurrency lives in the
+  # reusable workflow so all PR-wide prepares for the same SHA serialize.
   setup:
     needs: [set-image]
-    name: Setup
-    runs-on: parity-large
-    container:
+    uses: ./.github/workflows/prepare-polkadot-binaries.yml
+    with:
+      groups: polkadot-node
       image: ${{ needs.set-image.outputs.CI_IMAGE }}
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-
-      - name: Set up Polkadot binaries
-        uses: ./.github/actions/use-polkadot-binaries
-        with:
-          groups: polkadot-node
-          mode: prepare
 
   sync-check:
     needs: [set-image, setup]

.github/workflows/check.yml

@@ -145,18 +145,10 @@ jobs:
   prepare-bencher:
     name: Prepare frame-omni-bencher
     needs: [set-image, check-fmt]
-    runs-on: parity-large
-    container:
+    uses: ./.github/workflows/prepare-polkadot-binaries.yml
+    with:
+      groups: frame-omni-bencher
       image: ${{ needs.set-image.outputs.CI_IMAGE }}
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-
-      - name: Set up Polkadot binaries
-        uses: ./.github/actions/use-polkadot-binaries
-        with:
-          groups: frame-omni-bencher
-          mode: prepare
 
   benchmarks:
     name: Check Benchmarks (${{ matrix.runtime.name }})

.github/workflows/integration-test.yml

@@ -26,24 +26,16 @@ jobs:
     needs: [changes]
     uses: ./.github/workflows/set-image.yml
 
-  # Pre-warm the binary cache once before the matrix fan-out so all matrix
-  # legs hit the cache instead of racing to download/build.
+  # Pre-warm the binary cache once before the matrix fan-out. Cross-workflow
+  # concurrency lives in the reusable workflow so PR-wide prepares for the
+  # same SHA serialize.
   setup:
     if: needs.changes.outputs.should-run == 'true'
     needs: [changes, set-image]
-    name: Setup
-    runs-on: parity-large
-    container:
+    uses: ./.github/workflows/prepare-polkadot-binaries.yml
+    with:
+      groups: polkadot-node chain-spec-builder zombienet westend-relay-runtime paseo-relay-runtime
       image: ${{ needs.set-image.outputs.CI_IMAGE }}
-    steps:
-      - name: Checkout sources
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
-
-      - name: Set up Polkadot binaries
-        uses: ./.github/actions/use-polkadot-binaries
-        with:
-          groups: polkadot-node chain-spec-builder zombienet
-          mode: prepare
 
   runtime-matrix:
     if: needs.changes.outputs.should-run == 'true'
@@ -84,7 +76,7 @@ jobs:
       - name: Set up Polkadot binaries
         uses: ./.github/actions/use-polkadot-binaries
         with:
-          groups: polkadot-node chain-spec-builder zombienet
+          groups: polkadot-node chain-spec-builder zombienet westend-relay-runtime paseo-relay-runtime
           mode: consume
 
       - name: Rust cache (Bulletin)

.github/workflows/prepare-polkadot-binaries.yml

@@ -0,0 +1,33 @@
+name: Prepare polkadot binaries
+
+# Centralizes the `use-polkadot-binaries` prepare path so the contract lives
+# in one file and all callers share the same cache keys.
+
+on:
+  workflow_call:
+    inputs:
+      groups:
+        type: string
+        required: true
+        description: Space-separated binary groups (forwarded to use-polkadot-binaries).
+      image:
+        type: string
+        required: true
+        description: Container image (passed by the caller, typically set-image.outputs.CI_IMAGE).
+
+permissions:
+  contents: read
+
+jobs:
+  prepare:
+    runs-on: parity-large
+    container:
+      image: ${{ inputs.image }}
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+
+      - uses: ./.github/actions/use-polkadot-binaries
+        with:
+          groups: ${{ inputs.groups }}
+          mode: prepare

.github/workflows/zombienet-tests.yml

@@ -31,21 +31,23 @@ jobs:
 
   prepare-binaries:
     if: needs.changes.outputs.should-run == 'true'
-    name: Fetch polkadot binaries + bulletin chain specs
     needs: [changes, set-image]
+    uses: ./.github/workflows/prepare-polkadot-binaries.yml
+    with:
+      groups: polkadot-node chain-spec-builder westend-relay-runtime paseo-relay-runtime
+      image: ${{ needs.set-image.outputs.CI_IMAGE }}
+
+  prepare-specs:
+    if: needs.changes.outputs.should-run == 'true'
+    name: Generate bulletin chain specs
+    needs: [changes, set-image, prepare-binaries]
     runs-on: parity-large
     container:
       image: ${{ needs.set-image.outputs.CI_IMAGE }}
     steps:
       - name: Checkout sources
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
-      - name: Set up Polkadot binaries
-        uses: ./.github/actions/use-polkadot-binaries
-        with:
-          groups: polkadot-node chain-spec-builder
-          mode: prepare
-
       # Keyed by commit SHA: the spec embeds the bulletin runtime WASM.
       - name: Cache bulletin chain specs
         id: cache-specs
@@ -56,14 +58,21 @@ jobs:
             zombienet/bulletin-paseo-spec.json
           key: bulletin-specs-${{ runner.os }}-${{ github.sha }}
 
+      - name: Set up Polkadot binaries
+        if: steps.cache-specs.outputs.cache-hit != 'true'
+        uses: ./.github/actions/use-polkadot-binaries
+        with:
+          groups: chain-spec-builder
+          mode: consume
+
       - name: Generate chain specs
         if: steps.cache-specs.outputs.cache-hit != 'true'
         run: |
           just chain-spec westend
           just chain-spec paseo
 
   zombienet-auto-renew-tests:
-    needs: [set-image, prepare-binaries]
+    needs: [set-image, prepare-binaries, prepare-specs]
     name: auto-renew / ${{ matrix.runtime.name }} / ${{ matrix.group }}
     runs-on: parity-large
     container:
@@ -89,7 +98,7 @@ jobs:
       - name: Set up Polkadot binaries
         uses: ./.github/actions/use-polkadot-binaries
         with:
-          groups: polkadot-node chain-spec-builder
+          groups: polkadot-node chain-spec-builder westend-relay-runtime paseo-relay-runtime
           mode: consume
 
       - name: Rust cache
@@ -118,15 +127,25 @@ jobs:
         uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
         with:
           name: zombienet-auto-renew-test-logs-${{ matrix.runtime.name }}-${{ matrix.group }}
-          path: /tmp/zombie-*/**/*.log
+          # Parachain collator's RocksDB only — relay validators don't carry col11. The
+          # `*.log` glob brings in both stdout logs and WAL fragments; `CURRENT`,
+          # `MANIFEST-*`, `OPTIONS-*`, `IDENTITY`, and `*.sst` are the rest of the rocksdb
+          # surface needed for `rocksdb_ldb` to open the DB post-mortem.
+          path: |
+            /tmp/zombie-*/**/*.log
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/CURRENT
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/MANIFEST-*
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/OPTIONS-*
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/IDENTITY
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/*.sst
           retention-days: 14
 
   zombienet-sync-tests:
     # Sync suite is ~120 min; gate behind dispatch / `zombienet-sync-tests` label.
     if: >-
       github.event_name == 'workflow_dispatch' ||
       (github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'zombienet-sync-tests'))
-    needs: [set-image, prepare-binaries]
+    needs: [set-image, prepare-binaries, prepare-specs]
     name: sync / ${{ matrix.runtime.name }}
     runs-on: parity-large
     container:
@@ -147,7 +166,7 @@ jobs:
       - name: Set up Polkadot binaries
         uses: ./.github/actions/use-polkadot-binaries
         with:
-          groups: polkadot-node chain-spec-builder
+          groups: polkadot-node chain-spec-builder westend-relay-runtime paseo-relay-runtime
           mode: consume
 
       - name: Rust cache
@@ -178,5 +197,11 @@ jobs:
         uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
         with:
           name: zombienet-sync-test-logs-bulletin-${{ matrix.runtime.name }}
-          path: /tmp/zombie-*/**/*.log
+          path: |
+            /tmp/zombie-*/**/*.log
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/CURRENT
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/MANIFEST-*
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/OPTIONS-*
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/IDENTITY
+            /tmp/zombie-*/collator-1/data/chains/*/db/full/*.sst
           retention-days: 14

.gitignore

@@ -54,3 +54,5 @@ console-ui/playwright/.cache/
 # Specs for zombienet (need to be fresh)
 zombienet/bulletin-westend-spec.json
 zombienet/bulletin-paseo-spec.json
+zombienet/westend-local-spec.json
+zombienet/paseo-local-spec.json

examples/justfile

@@ -90,21 +90,24 @@ bulletin-parachain-zombienet-start test_dir runtime="bulletin-westend-runtime":
     POLKADOT_PARACHAIN_BINARY_PATH="$POLKADOT_BIN_DIR/polkadot-omni-node"
     ZOMBIENET_BIN="$ZOMBIENET_BIN_DIR/zombienet"
 
-    # Pick spec script + zombienet TOML based on the runtime
+    # Pick spec scripts + zombienet TOML based on the runtime
     if [ "{{ runtime }}" = "bulletin-westend-runtime" ]; then
         SPEC_SCRIPT="create_bulletin_westend_spec.sh"
+        RELAY_SPEC_SCRIPT="create_westend_local_spec.sh"
         ZOMBIENET_TOML="zombienet/bulletin-westend-local.toml"
     elif [ "{{ runtime }}" = "bulletin-paseo-runtime" ]; then
         SPEC_SCRIPT="create_bulletin_paseo_spec.sh"
+        RELAY_SPEC_SCRIPT="create_paseo_local_spec.sh"
         ZOMBIENET_TOML="zombienet/bulletin-paseo-local.toml"
     else
         echo "❌ Unhandled runtime: {{ runtime }}"
         exit 1
     fi
 
-    echo "   Creating chain spec for {{ runtime }}..."
+    echo "   Creating chain specs for {{ runtime }}..."
     CSB_DIR="$(cd "$ROOT_DIR" && just binaries-chain-spec-builder)"
     PATH="$CSB_DIR:$PATH" "$ROOT_DIR/scripts/$SPEC_SCRIPT"
+    PATH="$CSB_DIR:$PATH" "$ROOT_DIR/scripts/$RELAY_SPEC_SCRIPT"
 
     cat <<EOF
     ⚡ Starting Bulletin chain with zombienet
@@ -523,13 +526,14 @@ run-test-authorize-and-store test_dir runtime mode="ws" ws_url="ws://127.0.0.1:1
 
     # Run the script with parameters
     if [ "{{ mode }}" = "smoldot" ]; then
-        RELAY_CHAINSPEC_PATH="{{ test_dir }}/bob/cfg/westend-local.json"
         # Zombienet names the parachain chainspec by <relay>-<para_id>.json,
         # and the containing directory by the collator name used in each toml.
         if [ "{{ runtime }}" = "bulletin-westend-runtime" ]; then
+            RELAY_CHAINSPEC_PATH="{{ test_dir }}/bob/cfg/westend-local.json"
             PARACHAIN_CHAINSPEC_PATH="{{ test_dir }}/bulletin-westend-collator-2/cfg/westend-local-1010.json"
         elif [ "{{ runtime }}" = "bulletin-paseo-runtime" ]; then
-            PARACHAIN_CHAINSPEC_PATH="{{ test_dir }}/bulletin-paseo-collator-2/cfg/westend-local-1501.json"
+            RELAY_CHAINSPEC_PATH="{{ test_dir }}/bob/cfg/paseo-local.json"
+            PARACHAIN_CHAINSPEC_PATH="{{ test_dir }}/bulletin-paseo-collator-2/cfg/paseo-local-1501.json"
         else
             echo "❌ Unhandled runtime: {{ runtime }}"
             exit 1
@@ -734,11 +738,12 @@ run-authorize-and-store runtime mode="ws" ipfs_mode="kubo-docker": npm-install
         # Parachain: relay chain (required) + parachain spec (optional).
         # Zombienet names the parachain chainspec by <relay>-<para_id>.json,
         # and the containing directory by the collator name used in each toml.
-        RELAY_CHAINSPEC_PATH="$TEST_DIR/bob/cfg/westend-local.json"
         if [ "{{ runtime }}" = "bulletin-westend-runtime" ]; then
+            RELAY_CHAINSPEC_PATH="$TEST_DIR/bob/cfg/westend-local.json"
             PARACHAIN_CHAINSPEC_PATH="$TEST_DIR/bulletin-westend-collator-2/cfg/westend-local-1010.json"
         elif [ "{{ runtime }}" = "bulletin-paseo-runtime" ]; then
-            PARACHAIN_CHAINSPEC_PATH="$TEST_DIR/bulletin-paseo-collator-2/cfg/westend-local-1501.json"
+            RELAY_CHAINSPEC_PATH="$TEST_DIR/bob/cfg/paseo-local.json"
+            PARACHAIN_CHAINSPEC_PATH="$TEST_DIR/bulletin-paseo-collator-2/cfg/paseo-local-1501.json"
         else
             echo "❌ Unhandled runtime: {{ runtime }}"
             exit 1