createWalletAdvanced.js

//
// Create a multi-sig wallet at bitgo (advanced version)
// This tool will help you see how to use the BitGo API to easily create a wallet.
//
// In this form, it creates 2 keys on the host which runs this example.
// It is HIGHLY RECOMMENDED that you GENERATE THE KEYS ON SEPARATE MACHINES!!
//
// Copyright 2014, BitGo, Inc.  All Rights Reserved.
//

const BitGoJS = require('../src/index.js');

if (process.argv.length < 5) {
  console.log('usage:\n\t' + process.argv[0] + ' ' + process.argv[1] + ' <user> <pass> <otp> <label>');
  process.exit(-1);
}

const user = process.argv[2];
const password = process.argv[3];
const otp = process.argv[4];

let label = 'New API Wallet';
if (process.argv.length > 5) {
  label = process.argv[5];
}

const bitgo = new BitGoJS.BitGo();

const createWallet = function() {
  try {
    // Create the user and backup key. Remember to back these up!!
    const userKey = bitgo.keychains().create();
    const backupKey = bitgo.keychains().create();

    // Add keychains to BitGo
    const options = {
      label: 'key1',
      xpub: userKey.xpub,
      encryptedXprv: bitgo.encrypt({ password: password, input: userKey.xprv })
    };
    bitgo.keychains().add(options, function(err, keychain) {
      if (err) {
        console.dir(err);
        throw new Error('Could not create the user keychain');
      }
      console.log('User keychain xPub: ' + userKey.xpub);

      const options = {
        label: 'key2',
        xpub: backupKey.xpub
      };
      bitgo.keychains().add(options, function(err, keychain) {
        if (err) {
          console.dir(err);
          throw new Error('Could not create the backup keychain');
        }
        console.log('Backup keychain xPub: ' + backupKey.xpub);

        // Now tell BitGo to create their server side key
        bitgo.keychains().createBitGo({}, function(err, keychain) {
          if (err) {
            throw new Error('Could not create 3rd keychain on BitGo');
          }
          console.log('BitGo service keychain xPub: ' + keychain.xpub);

          const options = {
            label: label,
            m: 2,
            n: 3,
            keychains: [
              { xpub: userKey.xpub },
              { xpub: backupKey.xpub },
              { xpub: keychain.xpub }]
          };
          bitgo.wallets().add(options, function(err, result) {
            if (err) {
              console.dir(err);
              throw new Error('Could not add wallet on BitGo');
            }
            console.log('Wallet Created!');
            console.dir(result.wallet);
            console.log('\n\nBACK THIS UP: ');
            console.log('User keychain encrypted xPrv - WRITE IT DOWN: ' + bitgo.encrypt({ password: password, input: userKey.xprv }));
            console.log('Backup keychain encrypted xPrv - WRITE IT DOWN: ' + bitgo.encrypt({ password: password, input: userKey.xprv }));
          });
        });
      });
    });
  } catch (e) {
    console.dir(e.message);
  }
};

// Authenticate first
bitgo.authenticate({ username: user, password: password, otp: otp }, function(err, result) {
  if (err) {
    console.dir(err);
    throw new Error('Could not authenticate!');
  }
  console.log('Unlocking account.. ' );
  bitgo.unlock({ otp: otp }, function(err) {
    if (err) { console.dir(err); throw new Error('Could not unlock!'); }
    console.log('Creating wallet.. ' );
    createWallet();
  });
});