Test smart contracts comprehensively using Hardhat and Foundry with unit tests, integration tests, and mainnet forking. Use when testing Solidity contracts, setting up blockchain test suites, or validating DeFi protocols.
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The skill is specifically designed for direct financial operations, giving the agent the ability to move money or execute financial transactions — such as payment processing, cryptocurrency operations, banking integrations, or market order execution.
The skill is explicitly about Web3 smart contract testing and includes concrete crypto transaction and signing capabilities: a configured account using a PRIVATE_KEY, examples of token.transfer calls, impersonating accounts and transferring tokens, interacting with Uniswap router (swaps), and mainnet forking. These are specific crypto/blockchain operations (wallets, transfers, swaps, signing) that enable direct financial execution.
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