contract.yml

name: Smart Contract CI

on:
  push:
    branches: [main, develop]
    paths:
      - 'stellar-contract/**'
      - 'packages/contracts/**'
      - 'Cargo.toml'
      - 'Cargo.lock'
  pull_request:
    branches: [main]
    paths:
      - 'stellar-contract/**'
      - 'packages/contracts/**'
      - 'Cargo.toml'
      - 'Cargo.lock'
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  RUSTFLAGS: -D warnings

jobs:
  # ============================================
  # Lint Job
  # ============================================
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          components: rustfmt, clippy
          target: wasm32-unknown-unknown
          override: true

      - name: Cache Cargo registry
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-registry-

      - name: Cache Cargo target
        uses: actions/cache@v3
        with:
          path: target
          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-target-

      - name: Run cargo fmt
        run: cargo fmt --all -- --check

      - name: Run cargo clippy
        run: cargo clippy --all-targets --all-features -- -D warnings

  # ============================================
  # Test Job
  # ============================================
  test:
    name: Test
    runs-on: ubuntu-latest
    needs: lint
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: wasm32-unknown-unknown
          override: true

      - name: Cache Cargo registry
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-registry-

      - name: Cache Cargo target
        uses: actions/cache@v3
        with:
          path: target
          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-target-

      - name: Run cargo test
        run: cargo test --workspace --verbose

      - name: Upload test results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: test-results
          path: target/debug/

  # ============================================
  # Build Job
  # ============================================
  build:
    name: Build WASM
    runs-on: ubuntu-latest
    needs: test
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: wasm32-unknown-unknown
          override: true

      - name: Cache Cargo registry
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-registry-

      - name: Cache Cargo target
        uses: actions/cache@v3
        with:
          path: target
          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-target-

      - name: Build WASM
        run: |
          cargo build --target wasm32-unknown-unknown --release
          cargo build --workspace --release

      - name: List built artifacts
        run: |
          echo "📦 Built artifacts:"
          find target/wasm32-unknown-unknown/release -name "*.wasm" -type f | while read -r file; do
            echo "  - $file ($(du -h "$file" | cut -f1))"
          done

      - name: Upload WASM artifacts
        uses: actions/upload-artifact@v4
        with:
          name: wasm-artifacts
          path: target/wasm32-unknown-unknown/release/*.wasm

  # ============================================
  # Coverage Job
  # ============================================
  coverage:
    name: Coverage
    runs-on: ubuntu-latest
    needs: test
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: wasm32-unknown-unknown
          override: true

      - name: Cache Cargo registry
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-registry-

      - name: Cache Cargo target
        uses: actions/cache@v3
        with:
          path: target
          key: ${{ runner.os }}-cargo-target-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ runner.os }}-cargo-target-

      - name: Install cargo-tarpaulin
        run: cargo install cargo-tarpaulin

      - name: Run coverage
        run: cargo tarpaulin --workspace --out Xml --output-dir coverage/

      - name: Upload coverage report
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report
          path: coverage/

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v3
        with:
          files: coverage/cobertura.xml
          flags: unittests
          name: codecov-umbrella
          fail_ci_if_error: false