Solidity base using Hardhat and Foundry

Installation

Prerequisites: install Node.js 22.10+ with pnpm and Visual Studio Code.

Open the root of the project using Visual Studio Code and install all the extensions recommended by notifications of Visual Studio Code, then restart Visual Studio Code.

Open the terminal and run the command below to install all the dependencies and prepare the project:

pnpm i

Run to view commands:

pnpm run

Some unsorted notes

Commands

pnpm coverage shows all coverage and pnpm test runs all Hardhat and Foundry tests.
pnpm testh:vvv test/SomeContract.ts and pnpm testf -vvv --mc SomeContractTests show details about events, calls, gas costs, etc.
pnpm coveragef:sum show a coverage summary with branches for Foundry.

Environment variables

The project can properly work without the `.env` file, but supports some variables (see .env.details for details). For example:

BAIL=true to stop tests on the first failure.
EVM_VERSION="default" and HARDFORK="default" if you would not like to use Prague, but would like Hardhat to behave by default.
VIA_IR=false to disable IR optimization. You may also need to disable it in .solcover.js if compilation issues when running coverage.
COINMARKETCAP_API_KEY and ETHERSCAN_API_KEY if you would like to see gas costs in dollars when running pnpm testh:gas.

VS Code

The Watch button can show/hide highlighting of the code coverage in the contract files after running pnpm coverage. The button is in the lower left corner of the VS Code window and added by ryanluker.vscode-coverage-gutters.
Open the context menu (right-click) in a contract file, after running pnpm coverage, and select "Coverage Gutters: Preview Coverage Report" (or press Ctrl+Shift+6) to open the coverage HTML page directly in VS Code.
Start writing ss in Solidity or TypeScript files to see some basic snippets.

Troubleshooting

Run to clean up the project:

pnpm run clean

Afterwards, try again.

License

Yurii721/solidity-base-hardhat-foundry

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