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    2.1.2 • Public • Published

    FilSnap adapter

    License: MIT License Discord

    FilSnap adapter is used to install Filecoin snap and expose API toward snap.

    For more details on Filecoin snap itself see snap repo or read full Filecoin snap documentation.


    Adapter has only exposed function for installing Filecoin snap.

    async function enableFilecoinSnap(
      config: Partial<SnapConfig>, 
      snapOrigin?: string
    ): Promise<MetamaskFilecoinSnap> 

    On snap installation, it is possible to send full or partial configuration. If you only provide network property a predefined configuration for the specified network will be used. Other properties are optional but will override default values if provided.

    Below you can see structure of config object:

    export interface SnapConfig {
      derivationPath: string;
      token: string;
      network: FilecoinNetwork; // "f" || "t"
      rpcUrl: string;
      unit?: UnitConfiguration;
    export interface UnitConfiguration {
      symbol: string;
      decimals: number;
      image?: string;
      customViewUrl?: string;

    After snap installation, this function returns MetamaskFilecoinSnap object that can be used to retrieve snap API. An example of initializing Filecoin snap and invoking snap API is shown below.

    // install snap and fetch API
    const snap = await enableFilecoinSnap({network: "t"});
    const api = await metamaskFilecoinSnap.getFilecoinSnapApi();
    // invoke API
    const address = await api.getAddress();
    console.log(`Snap installed, account generated with address: ${address}`);


    npm i @chainsafe/filsnap-adapter

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