Prepare a Robinhood Chain contract deployment

Use familiar EVM tooling with explicit network checks and verifiable build metadata.

Begin with a reproducible build

Foundry and Hardhat can deploy EVM contracts to Robinhood Chain. The useful artifact is more than a contract address: retain the compiler version, optimizer settings, source revision, constructor arguments and linked libraries. Those details are needed to reproduce the bytecode and verify the deployment.

A Foundry inspection workflow

forge build
cast chain-id --rpc-url "$RPC_URL"
cast balance "$DEPLOYER" --rpc-url "$RPC_URL"
forge inspect src/Counter.sol:Counter bytecode

Run these checks before authorizing a signed deployment. Use your tool's protected signer or keystore; do not paste a private key into a committed configuration. The example intentionally performs no deployment.

Test before mainnet

  1. Deploy the exact build to Robinhood testnet using chain ID 46630.
  2. Inspect the deployment receipt and read eth_getCode at the resulting address.
  3. Exercise constructor-dependent and permissioned functions through a test account.
  4. Verify source with the explorer using the same compiler settings, then repeat the network checks for a separately authorized mainnet release.

Account for chain-specific behavior

Robinhood's deployment and Ethereum-differences documentation describe the chain's contract-size limits, gas model and Arbitrum precompiles. A successful local test is not a full simulation of sequencer behavior or L1-to-L2 messages. In Hardhat, keep a named network with its chain ID and RPC configuration rather than changing one global URL. Supanode RPC can carry supported calls; contract auditing, explorer verification and signing remain separate responsibilities.

Sources

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