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@shapeshiftoss/metamask-snaps

License: MIT Discord

A Snap plugin for MetaMask providing multi-chain signing support. Currently supported networks are:

  • Bitcoin
  • Cosmos
  • Ethereum

Project Structure

.
├── packages
│   ├── adapter         // Intermediate package used to interact with the snap in external applications
│   │   ├── __mocks__
│   │   ├── dist
│   │   └── src
│   ├── sandbox         //  Demo application used to interact with the snap
│   │   ├── public
│   │   └── src
│   ├── snap            //  ShapeShift multi-chain snap code
│   │   ├── dist
│   │   ├── images
│   │   ├── src
│   │   └── test
│   └── types           //  Types used in adapter, sandbox, and snap
│       ├── dist
│       └── src
└── scripts

Contributing

Setup

  • (optional) Make sure you're using the right Node.js version.
nvm use
  • Install dependencies.
# This is short for `yarn install`; be sure to use `yarn install --frozen-lockfile` instead if you're setting up a CI pipeline or trying to duplicate a historical build.
yarn

Development

To run the snap locally use:

cd packages/snap
yarn build && yarn serve

A sandbox application is included to assist in snap development. To start the sandbox:

cd packages/sandbox
yarn dev

Open http://www.localhost:3000 to view the sandbox in the browser.

Testing and Linting

Run yarn test to run the tests once.

Run yarn lint to run the linter, or run yarn lint:fix to run the linter and fix any automatically fixable issues.

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