Decker

Foundry est une chaîne d'outils Rust rapide et portable pour l'ingénierie de contrats intelligents Ethereum qui gère les dépendances, compile Solidity, exécute des tests de fuzzing et unitaires, déploie des contrats et pilote l'interaction de chaîne scriptée à partir du terminal ou de scripts d'automatisation Solidity.

PoWFaucet is a modular testnet faucet for EVM chains with anti-abuse methods including a mining puzzle, captcha, IP limits, and Gitcoin Passport, and it backs the Sepolia proof-of-work faucet. Teams running a testnet self-host it to hand out test ETH without giving it all to one address.

hardhat-deploy is a Hardhat plugin for replicable deployments with named accounts, proxies, and diamonds. Builders install it when deployments must be repeatable across networks and track upgradeable contracts.