exercise.yml

---
name: Chain Exercise Suite

# Runs `quantus exercise` against a freshly built fast-governance dev node.
# Nightly + manual for now: building the node from the chain repo dominates
# the runtime, and QPoW block times make a full run take tens of minutes.
on:
  schedule:
    - cron: "0 2 * * *" # nightly at 02:00 UTC
  workflow_dispatch:
    inputs:
      chain_ref:
        description: "Git ref of Quantus-Network/chain to build the node from"
        required: false
        default: "main"
      fuzz_iterations:
        description: "Number of seeded fuzz iterations"
        required: false
        default: "25"

permissions:
  contents: read

env:
  CARGO_INCREMENTAL: 0
  CARGO_TERM_COLOR: always
  CARGO_NET_RETRY: 10
  CARGO_NET_TIMEOUT: 60

jobs:
  exercise:
    name: 🏋️ Exercise Suite (fast-governance dev node)
    runs-on: ubuntu-latest
    timeout-minutes: 180
    steps:
      - name: Checkout quantus-cli
        uses: actions/checkout@v5

      - name: Checkout chain
        uses: actions/checkout@v5
        with:
          repository: Quantus-Network/chain
          ref: ${{ github.event.inputs.chain_ref || 'main' }}
          path: chain

      - uses: ./.github/actions/ubuntu

      - name: Cache cargo registry & CLI target
        uses: actions/cache@v5
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-exercise-cli-${{ hashFiles('Cargo.lock', 'rust-toolchain.toml') }}
          restore-keys: |
            ${{ runner.os }}-cargo-exercise-cli-

      - name: Cache chain target
        uses: actions/cache@v5
        with:
          path: chain/target
          key: ${{ runner.os }}-cargo-exercise-node-${{ hashFiles('chain/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-exercise-node-

      - name: Build quantus-node (fast-governance)
        working-directory: chain
        run: cargo build --release -p quantus-node --features quantus-runtime/fast-governance

      - name: Build quantus-cli
        run: SKIP_CIRCUIT_BUILD=1 cargo build --release --locked

      - name: Start dev node
        run: |
          nohup chain/target/release/quantus-node --dev \
            --base-path /tmp/quantus-exercise-dev \
            > /tmp/quantus-node.log 2>&1 &
          echo "NODE_PID=$!" >> "$GITHUB_ENV"
          # Wait for RPC to answer (mining warm-up can take a while).
          for i in $(seq 1 60); do
            if curl -sf -H 'Content-Type: application/json' \
              -d '{"jsonrpc":"2.0","id":1,"method":"system_health","params":[]}' \
              http://127.0.0.1:9944 > /dev/null; then
              echo "RPC up after ${i}s"
              exit 0
            fi
            sleep 1
          done
          echo "node RPC never came up" >&2
          tail -50 /tmp/quantus-node.log >&2
          exit 1

      - name: Run exercise suite
        run: |
          ./target/release/quantus exercise \
            --json \
            --fuzz-iterations "${{ github.event.inputs.fuzz_iterations || '25' }}" \
            | tee exercise-report.txt

      - name: Upload report and node log
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: exercise-report
          path: |
            exercise-report.txt
            /tmp/quantus-node.log
          if-no-files-found: ignore

      - name: Stop dev node
        if: always()
        run: kill "$NODE_PID" 2>/dev/null || true