---

name: smart-contracts description: Foundry smart contract development for Send. Use when building, testing, or deploying Solidity contracts. Located in packages/contracts.

Smart Contracts (Foundry)

Contracts are in packages/contracts/ using Foundry toolchain.

Commands

Copy# Build contracts
yarn contracts build

# Run tests
yarn contracts test

# Deploy to local Anvil
yarn contracts forge script <script_name> --fork-url http://localhost:8546 --broadcast

Local Development

Anvil (local testnet) runs on port 8546 when using Tilt:

Copytilt up

Project Structure

Copypackages/contracts/
├── src/           # Solidity source files
├── test/          # Foundry tests
├── script/        # Deployment scripts
└── lib/           # Dependencies (submodules)

Blockchain Stack

• Chain: Base (L2)
• Libraries: Wagmi, Viem
• Tooling: Foundry (forge, anvil, cast)