Hardhat Network Forking: Architecture Note for Isolated Mainnet‑Like Testing
An architecture note covering Hardhat's network forking: requirements, minimal design, trust boundaries, operational checks, failure modes, and triggers for redesign.
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An architecture note covering Hardhat's network forking: requirements, minimal design, trust boundaries, operational checks, failure modes, and triggers for redesign.
Hardhat Network allows for integration testing without production credentials by utilizing the hardhat_impersonateAccount method and network forking. This enables the simulation of complex interactions using the state of a live blockchain while keeping transactions local. A design challenge arises when comparing gas estimation behavior between a clean local