autsequi/src/providers/connectors/mewconnect.ts

Web3modal's provider layer abstraction for simple implementation of web3 wallet connections

import { IAbstractConnectorOptions, getChainId } from '../../helpers';

export interface IMewConnectConnectorOptions extends IAbstractConnectorOptions {
  infuraId?: string;
  rpc?: { [chainId: number]: string };
}

const ConnectToMewConnect = (
  MewConnectProvider: any,
  opts: IMewConnectConnectorOptions
) => {
  return new Promise(async (resolve, reject) => {
    let infuraId = '';
    let rpc = undefined;
    let chainId = 1;

    if (opts) {
      infuraId = opts.infuraId || '';
      rpc = opts.rpc || undefined;
      if (opts.infuraId && !rpc) {
        rpc = `wss://mainnet.infura.io/ws/v3/${infuraId}`;
      }
      chainId =
        opts.network && getChainId(opts.network) ? getChainId(opts.network) : 1;
    }

    if (!MewConnectProvider.Provider.isConnected) {
      const mewConnect = new MewConnectProvider.Provider();
      const provider = mewConnect.makeWeb3Provider(chainId, rpc, true);

      mewConnect.on('disconnected', () => {});
      try {
        const address = await mewConnect.enable();
        console.log(address); // todo remove dev item
        resolve(provider);
      } catch (e) {
        reject(e);
      }
    }
  });
};

export default ConnectToMewConnect;