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Developer tools · #hardhat
Hardhat's console.log brings print-style debugging to Solidity. Here's how it intercepts calls on the Hardhat Network, a working example, and why you must strip it before deploying.
Decide when to use Hardhat’s in‑process EVM versus a pinned mainnet fork, compare trade‑offs, and see a concrete configuration with validation steps.
Learn how to use Hardhat Mainnet Forking to simulate production environments, pin block numbers for deterministic testing, and impersonate live accounts for administrative testing.
A decision guide for Ethereum testing: when to use Hardhat's fast in-memory network versus a forked mainnet, with config, a validation test, and the operational trade-offs.
Hardhat Mainnet Forking lets you test against live Ethereum state at a pinned block. Configure forking in hardhat.config.js, impersonate whales for write access, and avoid RPC rate limits with caching and archive endpoints.
Hardhat's mainnet forking lets you test against live protocol state locally. This post covers lazy-loading state, account impersonation, a worked Uniswap V3 example, and memory trade-offs.
Hardhat’s network forking lets you spin up a local Ethereum node that mirrors Mainnet state at a specific block. Learn how to start a fork, impersonate accounts, test against real contracts, and handle the main trade‑offs.
Learn how to handle Polygon PoS gas volatility, configure Hardhat for the Amoy testnet, and understand the trade-off between throughput and state bloat.
Learn how to use Hardhat's mainnet forking to test smart contracts against real-world state and impersonate accounts without private keys.
solidity
polygon