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5,222 symbols
18,054 edges
1,686 files
481 documented · 9%
● updated 4d ago@nomicfoundation/hardhat-ignition@3.1.8 · 2026-07-02★ 8,496606 open issues
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README
Hardhat is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with smart contracts.
Built by the Nomic Foundation for the Ethereum community.
💡 This is the README for Hardhat 3, the new major version of Hardhat. For the previous version (v2), see this branch instead.
Getting started
To install Hardhat and initialize a new project, run the following command in an empty directory:
npx hardhat --init
This will take you through an interactive setup process to get started.
Learn more
To learn more about Hardhat, check out the documentation.
Contributing
Contributions are always welcome! Feel free to open any issue or send a pull request.
Go to CONTRIBUTING.md to learn about how to set up Hardhat's development environment.
Extension points exported contracts — how you extend this code
NetworkConnection (Interface)
(no doc) [11 implementers]
packages/hardhat-viem/src/type-extensions.ts
NetworkConnection (Interface)
(no doc) [11 implementers]
packages/hardhat-ignition-viem/src/type-extensions.ts
NetworkConnection (Interface)
(no doc) [11 implementers]
packages/hardhat/src/types/network.ts
EIP1193Provider (Interface)
(no doc) [11 implementers]
packages/ignition-core/src/types/provider.ts
NetworkConnection (Interface)
(no doc) [11 implementers]
packages/hardhat-ignition-ethers/src/type-extensions.ts
NetworkConnection (Interface)
(no doc) [11 implementers]
packages/hardhat-verify/src/type-extensions.ts
NetworkConnection (Interface)
(no doc) [11 implementers]
packages/hardhat-network-helpers/src/type-extensions.ts
NetworkConnection (Interface)
(no doc) [11 implementers]
packages/hardhat-ethers/src/type-extensions.ts
Core symbols most depended-on inside this repo
get
called by 167
packages/hardhat/src/types/config.ts
request
called by 159
packages/ignition-core/src/types/provider.ts
assertHardhatInvariant
called by 141
packages/hardhat-errors/src/errors.ts
filter
called by 114
packages/hardhat-vendored/src/coverage-module/istanbul-lib-coverage/lib/coverage-map.cjs
assertRejectsWithHardhatError
called by 106
packages/hardhat-test-utils/src/hardhat-error.ts
createHardhatRuntimeEnvironment
called by 104
packages/hardhat/src/internal/hre-initialization.ts
buildModule
called by 96
packages/ignition-core/src/build-module.ts
contract
called by 92
packages/ignition-core/src/types/module-builder.ts
Shape
Languages
TypeScript100%
Modules by API surface
packages/hardhat-ethers/src/internal/hardhat-ethers-provider/hardhat-ethers-provider.ts74 symbols
packages/ignition-core/test/execution/future-processor/helpers/network-interaction-execution.ts53 symbols
packages/hardhat-ignition/src/helpers/pretty-event-handler.ts46 symbols
packages/ignition-core/src/internal/module.ts44 symbols
packages/hardhat-utils/src/fs.ts43 symbols
packages/ignition-core/src/internal/module-builder.ts40 symbols
packages/hardhat-verify/src/internal/etherscan.ts40 symbols
packages/ignition-core/src/types/execution-events.ts37 symbols
packages/hardhat/src/internal/builtin-plugins/solidity/build-system/build-system.ts37 symbols
packages/hardhat-network-helpers/src/types.ts35 symbols
packages/hardhat-keystore/src/internal/keystores/encryption.ts35 symbols
packages/ignition-core/src/internal/execution/jsonrpc-client.ts34 symbols
Dependencies from manifests, versioned
@actions/core1.10.1 · 1×
@changesets/changelog-github0.6.0 · 1×
@changesets/cli2.16.0 · 1×
@eslint-community/eslint-plugin-eslint-comments4.5.0 · 1×
@ethersproject/abi5.8.0 · 1×
@ethersproject/address5.6.1 · 1×
@fontsource/roboto5.0.8 · 1×
@istanbuljs/nyc-config-typescript1.0.2 · 1×
@ledgerhq/errors6.25.0 · 1×
@ledgerhq/evm-tools1.7.7 · 1×
@ledgerhq/hw-app-eth6.45.19 · 1×
@ledgerhq/hw-transport6.31.11 · 1×
For agents
$ claude mcp add hardhat \
-- python -m otcore.mcp_server <graph>