wallet.worker.ts

import {
  WebWorkerWalletPost,
  WebWorkerWalletReceive,
} from '@app/@core/interfaces/electron-worker-wallet.types';

const bip38 = require('bip38');
const wif = require('wif');
const { Identities } = require('@arkecosystem/crypto');

process.on('message', (message: WebWorkerWalletPost) => {
  switch (message.type) {
    case 'encode': {
      try {
        const { passphrase, pin, network } = message.payload;

        const key = Identities.WIF.fromPassphrase(passphrase, network);
        const decoded = wif.decode(key);

        process.send({
          type: 'encode_response',
          payload: {
            encoded: bip38.encrypt(decoded.privateKey, decoded.compressed, pin),
          },
        } as WebWorkerWalletReceive);
      } catch (e) {
        process.send({
          type: 'error',
          payload: {
            error: e.message,
          },
        } as WebWorkerWalletReceive);
      }
      break;
    }
    case 'decode': {
      try {
        const { encodedPassphrase, pin, network } = message.payload;

        const decryptedKey = bip38.decrypt(encodedPassphrase, pin);

        process.send({
          type: 'decode_response',
          payload: {
            decoded: wif.encode(
              network.wif,
              decryptedKey.privateKey,
              decryptedKey.compressed
            ),
          },
        } as WebWorkerWalletReceive);
      } catch (e) {
        process.send({
          type: 'error',
          payload: {
            error: e.message,
          },
        } as WebWorkerWalletReceive);
      }
      break;
    }
    case 'exit': {
      process.exit(0);
    }
  }
});

process.send({
  type: 'started',
});