hardhat by hairyf/blockchain-master

Skill based on Hardhat (NomicFoundation/hardhat), generated 2026-02-09. Official docs: https://hardhat.org/docs

Hardhat is an Ethereum development environment: task runner (compile, test, run, node), built-in Hardhat Network, Hardhat Ignition for declarative deployment, and plugins (toolbox ethers/viem, Chai matchers, verify, etc.).

Core References

Topic	Description	Reference
Getting started	Init, tasks, compile/test/deploy flow	core-getting-started
Configuration	hardhat.config, networks, solidity, paths, mocha	core-config
HRE	Hardhat Runtime Environment, network, artifacts, config	core-hre
Compiler config	Solidity version, optimizer, viaIR, settings	core-compiler-config
Build profiles	default vs production, --build-profile, solidity.profiles	core-build-profiles
Config variables	configVariable, keystore, secrets, env	core-config-variables
Tasks and plugins	HRE, tasks, plugins, creating tasks	core-tasks-plugins

Features

Topic	Description	Reference
Hardhat Network	In-process vs node, JSON-RPC, forking, network helpers	features-network
Hardhat Ignition	Declarative deployment, buildModule, Future, deploy	features-ignition
Deployment overview	Ignition vs scripts, network and keystore setup	features-deployment-overview
Deployment scripts	viem/ethers deploy in scripts, hardhat run, --build-profile	features-deployment-scripts
Multichain	Chain types (l1, op), --chain-type, network.connect chainType	features-multichain
Testing	loadFixture, Chai matchers, network helpers	features-testing
Testing (Viem + node:test)	hre.network.connect, viem assertions, network helpers	features-testing-viem
Solidity tests	.t.sol, setUp, fuzz, forge-std, cheatcodes	features-testing-solidity
Code coverage	--coverage, LCOV, HTML report	features-testing-coverage
Gas statistics	--gas-stats, per-function and deployment gas	features-testing-gas-stats
Toolbox and verify	Ethers vs Viem toolbox, contract verification	features-toolbox-verify

Advanced

Topic	Description	Reference
Cheatcodes	vm.prank, time, and other Solidity test cheatcodes	advanced-cheatcodes

hardhat

Core References

Features

Advanced

External Links