icp.yaml

canisters:
  - name: backend
    recipe:
      type: "@dfinity/rust@v3.4.0"

  # evm_rpc is only deployed locally. On ICP mainnet the shared EVM RPC canister
  # (7hfb6-caaaa-aaaar-qadga-cai) is used instead — the ic environment below
  # restricts deployment to [backend] only and injects its principal via env vars.
  - name: evm_rpc
    build:
      steps:
        - type: pre-built
          url: https://github.com/dfinity/evm-rpc-canister/releases/download/evm_rpc-v2.8.0/evm_rpc.wasm.gz
    # nodesInSubnet controls how many cycles the EVM RPC canister charges per request
    # (each node in a subnet independently makes the HTTPS outcall, so cost scales with N).
    # Using the production value (28) locally validates that the cycle amounts in the
    # backend are sufficient for a real subnet, even though PocketIC only runs 1 node.
    init_args: "(record { nodesInSubnet = 28 })"

environments:
  # Local: deploys both backend and evm_rpc (pre-built).
  # icp-cli auto-injects PUBLIC_CANISTER_ID:evm_rpc into the backend after deploying evm_rpc.
  - name: local
    network: local

  # IC mainnet: deploys only the backend; the shared EVM RPC canister is already running
  # on ICP mainnet at 7hfb6-caaaa-aaaar-qadga-cai.
  #
  # Default configuration uses Sepolia testnet with test_key_1, suitable for development
  # and testing on ICP mainnet with free Sepolia ETH from a faucet.
  #
  # For a production deployment on Ethereum mainnet, change init_args to:
  #   "(opt record {ethereum_network = opt variant {Mainnet}; ecdsa_key_name = opt \"key_1\"})"
  - name: ic
    network: ic
    canisters: [backend]
    init_args:
      backend: "(opt record {ethereum_network = opt variant {Sepolia}; ecdsa_key_name = opt \"test_key_1\"})"
    settings:
      backend:
        environment_variables:
          "PUBLIC_CANISTER_ID:evm_rpc": "7hfb6-caaaa-aaaar-qadga-cai"