Blazing fast smart contract development toolkit

foundryup

# Download foundry installer `foundryup`
curl -L https://foundry.paradigm.xyz | bash
# Install forge, cast, anvil, chisel
foundryup
# Install the latest nightly release
foundryup -i nightly

stars

Test your contracts against real world chain state

Ultra-fast compilation

Lower compilation times drastically using dynamic_test_linking

Performant local node

Run anvil to setup local dev nodes instantly

Interact with applications

cast is your Swiss Army knife to interact with any chain

Quick Actions

Forge

forge helps you build, test, debug, deploy and verify smart contracts.

Initialize forge project

# Initializes a project called `Counter`
forge init Counter

Anvil

anvil is your local development node that complies with the Ethereum JSON-RPC spec.

Start a local node

# Start a fresh anvil node with 10 pre-funded accounts
anvil

Cast

cast is your swiss army knife for interacting with onchain applications from the command line.

Call a contract function

# Perform an `eth_call` on a contract to read balances
cast call 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2 \
"balanceOf(address)" 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 \
--rpc-url https://reth-ethereum.ithaca.xyz/rpc

Community

Join the Community

Ask for support in the Telegram chat or create an issue on Github
Join the 500+ developers by contributing to Foundry

Supporters

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