README
Metamask <> Polkadot snap adapter
Metamask <> Polkadot snap adapter is used to inject polkadot snap as web3 provider. It lists snap inside window.injectedWeb3["metamask-polkadot-snap"]
so it can be enabled using @polkadot/extension-dapp
package.
For more details on polkadot snap itself see snap repo or read full polkadot snap documentation.
Usage
Adapter has only one exposed function for injecting snap as web3 provider.
function injectMetamaskPolkadotSnapProvider(
network: "westend"|"kusama",
config?: SnapConfig,
pluginOrigin?: string
): void
If only network
argument is provided, predefined configuration for specific network will be used.
By providing config
as argument it is possible to override default configurations.
Configuration structure is shown below.
SnapConfig {
networkName: string;
wsRpcUrl?: string;
addressPrefix?: number;
unit?: UnitConfiguration;
}
UnitConfiguration {
symbol: string;
decimals: number;
image?: string;
customViewUrl?: string;
}