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MetaMask snap for interacting with Polkadot dApps

Package Exports

  • @chainsafe/polkadot-snap
  • @chainsafe/polkadot-snap/build/index.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@chainsafe/polkadot-snap) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

Metamask Polkadot & Substrate Snap

This project extends Metamask capabilities to include support for Polkadot, Kusama, and other Substrate- and FRAME-based blockchains in the Polkadot ecosystem.

What are Snaps?

Snaps is a system that allows anyone to safely extend the capabilities of MetaMask. A snap is a program that [Metamask runs] in an isolated environment that can customize the wallet experience.

For example, a snap can add new APIs to MetaMask, add support for different blockchain protocols, or modify existing functionality using internal APIs. Snaps is a new way to create web3 end user experiences, by modifying MetaMask in ways that were impossible before.

Learn more about snaps from the official Metamask documentation.

As of 2022-10-01, snaps are only supported in Metamask's developer build, Flask.

Documentation

Go to the wiki to learn morea about using this snap.

The wiki also describes the integration process and provides full API documentation for dApp developers.