name: Build Circuits

on:
  push:
    tags:
      - "v*.*.*"
  pull_request:
    branches:
      - main
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag to release. Must follow the format of 'vX.Y.Z'."
        required: true

jobs:
  setup:
    name: Configure Environment
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.define-version.outputs.version }}
      tag: ${{ steps.define-version.outputs.tag }}
    steps:
      - name: Define version
        id: define-version
        env:
          # Use the tag name if it is available, otherwise use the input version.
          # For PR testing, use a test version based on PR number and commit SHA.
          TAG: ${{ (github.ref_type == 'tag' && github.ref_name) || inputs.tag || format('v0.0.0-pr{0}-{1}', github.event.pull_request.number || '0', github.sha) }}
        run: |
          if [ -z "$TAG" ]; then
            echo "Could not determine tag."
            exit 1
          fi

          # For pull requests, allow test versions with format v0.0.0-pr*
          if [[ "$TAG" =~ ^v0\.0\.0-pr ]]; then
            echo "Using test version for PR: $TAG"
            VERSION="$TAG"
          elif [[ ! "$TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "TAG must follow the format of 'vX.Y.Z'. Value: '$TAG'."
            exit 2
          else
            # Parse Version: Take only the vX.Y.Z part.
            VERSION=$(echo $TAG | cut -d'-' -f1)
          fi

          # Export the tag and version.
          echo "tag=$TAG" >> $GITHUB_OUTPUT
          echo "version=$VERSION" >> $GITHUB_OUTPUT

  generate-proving-keys:
    name: Generate ${{ matrix.circuit.display }} Proving Key
    runs-on: ubuntu-latest
    needs:
      - setup
    strategy:
      fail-fast: false
      matrix:
        circuit:
          - name: pol
            display: PoL
            file: pol.circom
            dir: mantle
          - name: poq
            display: PoQ
            file: poq.circom
            dir: blend
          - name: zksign
            display: ZKSign
            file: signature.circom
            dir: mantle
          - name: poc
            display: PoC
            file: poc.circom
            dir: mantle
    env:
      VERSION: ${{ needs.setup.outputs.version }}
      PTAU_URL: "https://storage.googleapis.com/zkevm/ptau/powersOfTau28_hez_final_17.ptau"
      PTAU_FILE: "powersOfTau28_hez_final_17.ptau"
    steps:
      - name: Install Rust Toolchain
        uses: actions-rust-lang/setup-rust-toolchain@fb51252c7ba57d633bc668f941da052e410add48
        with:
          toolchain: stable
          cache: false

      - name: Install Circom
        run: |
          git clone https://github.com/iden3/circom.git
          cd circom
          RUSTFLAGS="-A dead_code" cargo build --release
          RUSTFLAGS="-A dead_code" cargo install --path circom
          circom --version

      - name: Checkout
        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709

      - name: Initialise Submodules
        run: git submodule update --init --recursive

      - name: Setup Node.js
        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b
        with:
          node-version: '20'

      - name: Install snarkjs
        run: npm install -g snarkjs@latest

      - name: Cache Powers of Tau
        id: cache-ptau
        uses: actions/cache@v4
        with:
          path: ${{ env.PTAU_FILE }}
          key: ptau-${{ env.PTAU_FILE }}

      - name: Download Powers of Tau
        if: steps.cache-ptau.outputs.cache-hit != 'true'
        run: |
          echo "Downloading Powers of Tau file (this may take a while, ~3GB)..."
          curl -L -o "${{ env.PTAU_FILE }}" "${{ env.PTAU_URL }}"
          echo "Download complete."

      - name: Generate Proving Key
        run: |
          cd ${{ matrix.circuit.dir }}
          circom --r1cs --O2 ${{ matrix.circuit.file }}
          snarkjs groth16 setup ${CIRCUIT_NAME}.r1cs ../${{ env.PTAU_FILE }} ${{ matrix.circuit.name }}-0.zkey
          head -c 32 /dev/urandom | xxd -p -c 256 | snarkjs zkey contribute ${{ matrix.circuit.name }}-0.zkey ${{ matrix.circuit.name }}.zkey --name="RELEASE" -v
          snarkjs zkey export verificationkey ${{ matrix.circuit.name }}.zkey ${{ matrix.circuit.name }}_verification_key.json
        env:
          CIRCUIT_NAME: ${{ matrix.circuit.file == 'signature.circom' && 'signature' || matrix.circuit.name }}

      - name: Upload Proving Key
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: ${{ matrix.circuit.name }}-proving-key
          path: |
            ${{ matrix.circuit.dir }}/${{ matrix.circuit.name }}.zkey
            ${{ matrix.circuit.dir }}/${{ matrix.circuit.name }}_verification_key.json

  build-linux:
    name: Build Linux Binaries (Native)
    runs-on: ubuntu-latest
    needs:
      - setup
      - generate-proving-keys
    env:
      VERSION: ${{ needs.setup.outputs.version }}
      OS: linux
      ARCH: x86_64
    steps:
      - name: Install Rust Toolchain
        uses: actions-rust-lang/setup-rust-toolchain@fb51252c7ba57d633bc668f941da052e410add48
        with:
          toolchain: stable
          cache: false

      - name: Install Circom
        run: |
          git clone https://github.com/iden3/circom.git
          cd circom
          RUSTFLAGS="-A dead_code" cargo build --release
          RUSTFLAGS="-A dead_code" cargo install --path circom
          circom --version

      - name: Checkout
        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709

      - name: Initialise Submodules
        run: git submodule update --init --recursive

      - name: Setup Dependencies
        working-directory: rapidsnark
        run: sudo apt update -y

      - name: Install Dependencies [Prover]
        run: sudo apt install -y build-essential cmake libgmp-dev libsodium-dev nasm curl m4

      - name: Install Dependencies [Witness Generator]
        run: sudo apt install nlohmann-json3-dev

      - name: Replace Prover Makefile # TODO: Make a fork generate the appropriate Linux Makefile
        run: cp .github/resources/prover/Makefile rapidsnark/Makefile

      - name: Compile Prover and Verifier
        working-directory: rapidsnark
        run: |
          ./build_gmp.sh host
          make host_linux_x86_64_static

      - name: Bundle Rapidsnark Prover
        env:
          BINARY_NAME: prover
          BUNDLE_NAME: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          RAPIDSNARK_DIR: rapidsnark/package
        run: |
          BUNDLE_DIR="${BUNDLE_NAME}/${BINARY_NAME}"
          mkdir -p "$BUNDLE_DIR"

          mv "${RAPIDSNARK_DIR}"/bin/${BINARY_NAME} "$BUNDLE_DIR/"

          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Bundle Rapidsnark Verifier
        env:
          BINARY_NAME: verifier
          BUNDLE_NAME: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          RAPIDSNARK_DIR: rapidsnark/package
        run: |
          BUNDLE_DIR="${BUNDLE_NAME}/${BINARY_NAME}"
          mkdir -p "$BUNDLE_DIR"

          mv "${RAPIDSNARK_DIR}"/bin/${BINARY_NAME} "$BUNDLE_DIR/"

          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Upload Rapidsnark Prover
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

      - name: Upload Rapidsnark Verifier
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

      - name: Compile PoL Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoL"
          circuit-name-binary: "pol"
          circuit-path: "mantle/pol.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile PoQ Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoQ"
          circuit-name-binary: "poq"
          circuit-path: "blend/poq.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile ZKSign Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "ZKSign"
          circuit-name-binary: "zksign"
          circuit-path: "mantle/signature.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile PoC Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoC"
          circuit-name-binary: "poc"
          circuit-path: "mantle/poc.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Download PoL Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: pol-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/pol-artifact

      - name: Download PoQ Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: poq-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/poq-artifact

      - name: Download ZKSign Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: zksign-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/zksign-artifact

      - name: Download PoC Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: poc-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/poc-artifact

      - name: Download All Proving Key Artifacts
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          pattern: "*-proving-key"
          path: proving-keys/

      - name: Create Unified Release Bundle
        env:
          BUNDLE_NAME: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
        run: |
          # Create the bundle directory structure
          mkdir -p "${BUNDLE_NAME}"/{pol,poq,zksign,poc}

          # Create VERSION file
          echo "${{ env.VERSION }}" > "${BUNDLE_NAME}/VERSION"

          # Move witness generators into their respective circuit directories
          mv witness-generators/pol-artifact/pol "${BUNDLE_NAME}/pol/witness_generator"
          mv witness-generators/pol-artifact/pol.dat "${BUNDLE_NAME}/pol/witness_generator.dat"
          mv witness-generators/poq-artifact/poq "${BUNDLE_NAME}/poq/witness_generator"
          mv witness-generators/poq-artifact/poq.dat "${BUNDLE_NAME}/poq/witness_generator.dat"
          mv witness-generators/zksign-artifact/signature "${BUNDLE_NAME}/zksign/witness_generator"
          mv witness-generators/zksign-artifact/signature.dat "${BUNDLE_NAME}/zksign/witness_generator.dat"
          mv witness-generators/poc-artifact/poc "${BUNDLE_NAME}/poc/witness_generator"
          mv witness-generators/poc-artifact/poc.dat "${BUNDLE_NAME}/poc/witness_generator.dat"

          # Restore execute permissions on witness generators
          chmod +x "${BUNDLE_NAME}/pol/witness_generator"
          chmod +x "${BUNDLE_NAME}/poq/witness_generator"
          chmod +x "${BUNDLE_NAME}/zksign/witness_generator"
          chmod +x "${BUNDLE_NAME}/poc/witness_generator"

          # Copy proving keys and verification keys into each circuit directory
          cp proving-keys/pol-proving-key/pol.zkey "${BUNDLE_NAME}/pol/proving_key.zkey"
          cp proving-keys/pol-proving-key/pol_verification_key.json "${BUNDLE_NAME}/pol/verification_key.json"
          cp proving-keys/poq-proving-key/poq.zkey "${BUNDLE_NAME}/poq/proving_key.zkey"
          cp proving-keys/poq-proving-key/poq_verification_key.json "${BUNDLE_NAME}/poq/verification_key.json"
          cp proving-keys/zksign-proving-key/zksign.zkey "${BUNDLE_NAME}/zksign/proving_key.zkey"
          cp proving-keys/zksign-proving-key/zksign_verification_key.json "${BUNDLE_NAME}/zksign/verification_key.json"
          cp proving-keys/poc-proving-key/poc.zkey "${BUNDLE_NAME}/poc/proving_key.zkey"
          cp proving-keys/poc-proving-key/poc_verification_key.json "${BUNDLE_NAME}/poc/verification_key.json"

          # Create tarball
          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Upload Unified Release Bundle
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

  build-windows:
    name: Build Windows Binaries (Native)
    runs-on: windows-latest
    needs:
      - setup
      - generate-proving-keys
    env:
      VERSION: ${{ needs.setup.outputs.version }}
      OS: windows
      ARCH: x86_64
    steps:
      - name: Setup MSYS2
        uses: msys2/setup-msys2@v2.28.0 # FIXME: Ideally use the hash to avoid supply chain attacks. Currently unable to.
        with:
          update: true
          install: >-
            base-devel
            mingw-w64-x86_64-toolchain
            make
            git

      - name: Install Rust Toolchain
        uses: actions-rust-lang/setup-rust-toolchain@fb51252c7ba57d633bc668f941da052e410add48
        with:
          toolchain: stable
          cache: false

      - name: Install Circom
        run: |
          git clone https://github.com/iden3/circom.git
          cd circom
          $env:RUSTFLAGS="-A dead_code"; cargo build --release
          $env:RUSTFLAGS="-A dead_code"; cargo install --path circom
          circom --version

      - name: Checkout
        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709

      - name: Initialise Submodules
        run: git submodule update --init --recursive

      - name: Install Dependencies [Witness Generator]
        shell: msys2 {0}
        run: |
          # nlohmann/json
          mkdir -p /include/nlohmann/
          wget -O /include/nlohmann/json.hpp https://github.com/nlohmann/json/releases/download/v3.12.0/json.hpp

          # mman-win32
          git clone https://github.com/alitrack/mman-win32.git
          pushd mman-win32
          ./configure --prefix= # Path: /
          make
          make install
          popd

      - name: Install Dependencies [Prover]
        shell: msys2 {0}
        run: pacman --noconfirm -Sy --needed cmake nasm mingw-w64-ucrt-x86_64-libsodium

      - name: Replace Prover Makefile # TODO: Make a fork generate the appropriate Windows Makefile
        shell: msys2 {0}
        run: cp .github/resources/prover/Makefile rapidsnark/Makefile

      - name: Replace Prover CMakeLists
        shell: msys2 {0}
        run: cp .github/resources/prover/${{ env.OS }}.src-CMakeLists.txt rapidsnark/src/CMakeLists.txt

      - name: Patch Windows mman
        shell: msys2 {0}
        run: cp .github/resources/prover/${{ env.OS }}.mman_patch.hpp /include/mman_patch.hpp

      - name: Add uio.h headers
        shell: msys2 {0}
        run: cp .github/resources/prover/${{ env.OS }}.uio.h /include/sys/uio.h

      - name: Replace build_gmp
        shell: msys2 {0}
        run: cp .github/resources/prover/${{ env.OS }}.build_gmp.sh rapidsnark/build_gmp.sh

      - name: Compile Prover and Verifier
        shell: msys2 {0}
        working-directory: rapidsnark
        run: |
          ./build_gmp.sh host
          make host_windows_x86_64_static

      - name: Bundle Rapidsnark Prover
        shell: msys2 {0}
        env:
          BINARY_NAME: prover
          BUNDLE_NAME: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          RAPIDSNARK_DIR: rapidsnark/package
        run: |
          BUNDLE_DIR="${BUNDLE_NAME}/${BINARY_NAME}"
          mkdir -p "$BUNDLE_DIR"

          mv "${RAPIDSNARK_DIR}"/bin/${BINARY_NAME}.exe "$BUNDLE_DIR/"

          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Bundle Rapidsnark Verifier
        shell: msys2 {0}
        env:
          BINARY_NAME: verifier
          BUNDLE_NAME: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          RAPIDSNARK_DIR: rapidsnark/package
        run: |
          BUNDLE_DIR="${BUNDLE_NAME}/${BINARY_NAME}"
          mkdir -p "$BUNDLE_DIR"

          mv "${RAPIDSNARK_DIR}"/bin/${BINARY_NAME}.exe "$BUNDLE_DIR/"

          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Upload Rapidsnark Prover
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

      - name: Upload Rapidsnark Verifier
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

      - name: Compile PoL Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoL"
          circuit-name-binary: "pol"
          circuit-path: "mantle/pol.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile PoQ Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoQ"
          circuit-name-binary: "poq"
          circuit-path: "blend/poq.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile ZKSign Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "ZKSign"
          circuit-name-binary: "zksign"
          circuit-path: "mantle/signature.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile PoC Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoC"
          circuit-name-binary: "poc"
          circuit-path: "mantle/poc.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Download PoL Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: pol-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/pol-artifact

      - name: Download PoQ Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: poq-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/poq-artifact

      - name: Download ZKSign Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: zksign-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/zksign-artifact

      - name: Download PoC Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: poc-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/poc-artifact

      - name: Download All Proving Key Artifacts
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          pattern: "*-proving-key"
          path: proving-keys/

      - name: Create Unified Release Bundle
        shell: msys2 {0}
        env:
          BUNDLE_NAME: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
        run: |
          # Create the bundle directory structure
          mkdir -p "${BUNDLE_NAME}"/{pol,poq,zksign,poc}

          # Create VERSION file
          echo "${{ env.VERSION }}" > "${BUNDLE_NAME}/VERSION"

          # Move witness generators into their respective circuit directories
          mv witness-generators/pol-artifact/pol.exe "${BUNDLE_NAME}/pol/witness_generator.exe"
          mv witness-generators/pol-artifact/pol.dat "${BUNDLE_NAME}/pol/witness_generator.dat"
          mv witness-generators/poq-artifact/poq.exe "${BUNDLE_NAME}/poq/witness_generator.exe"
          mv witness-generators/poq-artifact/poq.dat "${BUNDLE_NAME}/poq/witness_generator.dat"
          mv witness-generators/zksign-artifact/signature.exe "${BUNDLE_NAME}/zksign/witness_generator.exe"
          mv witness-generators/zksign-artifact/signature.dat "${BUNDLE_NAME}/zksign/witness_generator.dat"
          mv witness-generators/poc-artifact/poc.exe "${BUNDLE_NAME}/poc/witness_generator.exe"
          mv witness-generators/poc-artifact/poc.dat "${BUNDLE_NAME}/poc/witness_generator.dat"

          # Copy proving keys and verification keys into each circuit directory
          cp proving-keys/pol-proving-key/pol.zkey "${BUNDLE_NAME}/pol/proving_key.zkey"
          cp proving-keys/pol-proving-key/pol_verification_key.json "${BUNDLE_NAME}/pol/verification_key.json"
          cp proving-keys/poq-proving-key/poq.zkey "${BUNDLE_NAME}/poq/proving_key.zkey"
          cp proving-keys/poq-proving-key/poq_verification_key.json "${BUNDLE_NAME}/poq/verification_key.json"
          cp proving-keys/zksign-proving-key/zksign.zkey "${BUNDLE_NAME}/zksign/proving_key.zkey"
          cp proving-keys/zksign-proving-key/zksign_verification_key.json "${BUNDLE_NAME}/zksign/verification_key.json"
          cp proving-keys/poc-proving-key/poc.zkey "${BUNDLE_NAME}/poc/proving_key.zkey"
          cp proving-keys/poc-proving-key/poc_verification_key.json "${BUNDLE_NAME}/poc/verification_key.json"

          # Create tarball
          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Upload Unified Release Bundle
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

  build-macos:
    name: Build MacOS Binaries (Native)
    runs-on: macos-latest
    needs:
      - setup
      - generate-proving-keys
    env:
      VERSION: ${{ needs.setup.outputs.version }}
      ARCH: aarch64
      OS: macos
    steps:
      - name: Install Rust Toolchain
        uses: actions-rust-lang/setup-rust-toolchain@fb51252c7ba57d633bc668f941da052e410add48
        with:
          toolchain: stable
          cache: false

      - name: Install Circom
        run: |
          git clone https://github.com/iden3/circom.git
          cd circom
          RUSTFLAGS="-A dead_code" cargo build --release
          RUSTFLAGS="-A dead_code" cargo install --path circom
          circom --version

      - name: Checkout
        uses: actions/checkout@8edcb1bdb4e267140fa742c62e395cd74f332709

      - name: Initialise Submodules
        run: git submodule update --init --recursive

      - name: Setup Dependencies
        run: mkdir include

      - name: Install Dependencies [Witness Generator]
        run: brew install nlohmann-json

      - name: Install Dependencies [Prover]
        run: brew install nasm m4

      - name: Compile Prover and Verifier
        working-directory: rapidsnark
        run: |
          ./build_gmp.sh macos_arm64
          make macos_arm64

      - name: Bundle Rapidsnark Prover
        env:
          BINARY_NAME: prover
          BUNDLE_NAME: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          RAPIDSNARK_DIR: rapidsnark/package_macos_arm64
        run: |
          BUNDLE_DIR="${BUNDLE_NAME}/${BINARY_NAME}"
          mkdir -p "$BUNDLE_DIR"

          mv "${RAPIDSNARK_DIR}/bin/${BINARY_NAME}" "$BUNDLE_DIR/"

          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Bundle Rapidsnark Verifier
        env:
          BINARY_NAME: verifier
          BUNDLE_NAME: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          RAPIDSNARK_DIR: rapidsnark/package_macos_arm64
        run: |
          BUNDLE_DIR="${BUNDLE_NAME}/${BINARY_NAME}"
          mkdir -p "$BUNDLE_DIR"

          mv "${RAPIDSNARK_DIR}/bin/${BINARY_NAME}" "$BUNDLE_DIR/"

          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Upload Rapidsnark Prover
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: prover-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

      - name: Upload Rapidsnark Verifier
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: verifier-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

      - name: Compile PoL Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoL"
          circuit-name-binary: "pol"
          circuit-path: "mantle/pol.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile PoQ Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoQ"
          circuit-name-binary: "poq"
          circuit-path: "blend/poq.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile ZKSign Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "ZKSign"
          circuit-name-binary: "zksign"
          circuit-path: "mantle/signature.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Compile PoC Witness Generator
        uses: ./.github/actions/compile-witness-generator
        with:
          circuit-name-display: "PoC"
          circuit-name-binary: "poc"
          circuit-path: "mantle/poc.circom"
          version: ${{ env.VERSION }}
          os: ${{ env.OS }}
          arch: ${{ env.ARCH }}

      - name: Download PoL Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: pol-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/pol-artifact

      - name: Download PoQ Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: poq-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/poq-artifact

      - name: Download ZKSign Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: zksign-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/zksign-artifact

      - name: Download PoC Witness Generator
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: poc-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
          path: witness-generators/poc-artifact

      - name: Download All Proving Key Artifacts
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          pattern: "*-proving-key"
          path: proving-keys/

      - name: Create Unified Release Bundle
        env:
          BUNDLE_NAME: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}
        run: |
          # Create the bundle directory structure
          mkdir -p "${BUNDLE_NAME}"/{pol,poq,zksign,poc}

          # Create VERSION file
          echo "${{ env.VERSION }}" > "${BUNDLE_NAME}/VERSION"

          # Move witness generators into their respective circuit directories
          mv witness-generators/pol-artifact/pol "${BUNDLE_NAME}/pol/witness_generator"
          mv witness-generators/pol-artifact/pol.dat "${BUNDLE_NAME}/pol/witness_generator.dat"
          mv witness-generators/poq-artifact/poq "${BUNDLE_NAME}/poq/witness_generator"
          mv witness-generators/poq-artifact/poq.dat "${BUNDLE_NAME}/poq/witness_generator.dat"
          mv witness-generators/zksign-artifact/signature "${BUNDLE_NAME}/zksign/witness_generator"
          mv witness-generators/zksign-artifact/signature.dat "${BUNDLE_NAME}/zksign/witness_generator.dat"
          mv witness-generators/poc-artifact/poc "${BUNDLE_NAME}/poc/witness_generator"
          mv witness-generators/poc-artifact/poc.dat "${BUNDLE_NAME}/poc/witness_generator.dat"

          # Restore execute permissions on witness generators
          chmod +x "${BUNDLE_NAME}/pol/witness_generator"
          chmod +x "${BUNDLE_NAME}/poq/witness_generator"
          chmod +x "${BUNDLE_NAME}/zksign/witness_generator"
          chmod +x "${BUNDLE_NAME}/poc/witness_generator"

          # Copy proving keys and verification keys into each circuit directory
          cp proving-keys/pol-proving-key/pol.zkey "${BUNDLE_NAME}/pol/proving_key.zkey"
          cp proving-keys/pol-proving-key/pol_verification_key.json "${BUNDLE_NAME}/pol/verification_key.json"
          cp proving-keys/poq-proving-key/poq.zkey "${BUNDLE_NAME}/poq/proving_key.zkey"
          cp proving-keys/poq-proving-key/poq_verification_key.json "${BUNDLE_NAME}/poq/verification_key.json"
          cp proving-keys/zksign-proving-key/zksign.zkey "${BUNDLE_NAME}/zksign/proving_key.zkey"
          cp proving-keys/zksign-proving-key/zksign_verification_key.json "${BUNDLE_NAME}/zksign/verification_key.json"
          cp proving-keys/poc-proving-key/poc.zkey "${BUNDLE_NAME}/poc/proving_key.zkey"
          cp proving-keys/poc-proving-key/poc_verification_key.json "${BUNDLE_NAME}/poc/verification_key.json"

          # Create tarball
          tar -czf "${BUNDLE_NAME}.tar.gz" "${BUNDLE_NAME}"

      - name: Upload Unified Release Bundle
        uses: actions/upload-artifact@de65e23aa2b7e23d713bb51fbfcb6d502f8667d8
        with:
          name: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz
          path: nomos-circuits-${{ env.VERSION }}-${{ env.OS }}-${{ env.ARCH }}.tar.gz

  publish-release:
    name: Create Release
    runs-on: ubuntu-latest
    # Only create releases for tags, not for PRs
    if: github.ref_type == 'tag' || github.event_name == 'workflow_dispatch'
    needs:
      - setup
      - generate-proving-keys
      - build-linux
      - build-windows
      - build-macos
    env:
      TAG: ${{ needs.setup.outputs.tag }}
      VERSION: ${{ needs.setup.outputs.version }}
    outputs:
      upload_url: ${{ steps.create_release.outputs.upload_url }}
    steps:
      - name: Create Release
        uses: actions/create-release@4c11c9fe1dcd9636620a16455165783b20fc7ea0
        id: create_release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ env.TAG }}
          release_name: Circom Circuits ${{ env.VERSION }}
          body: |
            This is a release of Circom Circuits ${{ env.VERSION }}.
            ## Changelog
            - feature(X): new feature
            - fix(Y): bug description
            - feature: performance improvement on Z
            ## Checklist
            Before publishing please ensure:
            - [ ] Description is complete
            - [ ] Changelog is correct
            - [ ] Assets for all platforms exist
            - [ ] Pre-release is checked if necessary
            - [ ] Remove this checklist before publishing the release.
          draft: true
          prerelease: true

  upload-artifacts:
    name: Upload Unified Bundles to Release
    runs-on: ubuntu-latest
    # Only upload to release for tags, not for PRs
    if: github.ref_type == 'tag' || github.event_name == 'workflow_dispatch'
    needs:
      - setup
      - publish-release
    strategy:
      fail-fast: false
      matrix:
        platform:
          - os: linux
            arch: x86_64
          - os: macos
            arch: aarch64
          - os: windows
            arch: x86_64
    env:
      UPLOAD_URL: ${{ needs.publish-release.outputs.upload_url }}
      ARTIFACT_NAME: nomos-circuits-${{ needs.setup.outputs.version }}-${{ matrix.platform.os }}-${{ matrix.platform.arch }}.tar.gz
    steps:
      - name: Download Unified Bundle
        uses: actions/download-artifact@448e3f862ab3ef47aa50ff917776823c9946035b
        with:
          name: ${{ env.ARTIFACT_NAME }}

      - name: Upload Unified Bundle to Release
        uses: actions/upload-release-asset@ef2adfe8cb8ebfa540930c452c576b3819990faa
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ env.UPLOAD_URL }}
          asset_path: ${{ env.ARTIFACT_NAME }}
          asset_name: ${{ env.ARTIFACT_NAME }}
          asset_content_type: application/octet-stream