src/lib/wallet.ts · bridge

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bridge/src/lib/wallet.ts

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1// import * as bip32 from 'bip32';

2import * as bip39 from 'bip39';

3import { bip32 } from 'bitcoinjs-lib';

4import { Just, Nothing } from 'folktale/maybe';

5import * as secp256k1 from 'secp256k1';

6import * as kg from 'urbit-key-generation';

7import { publicToAddress } from 'ethereumjs-util';

8import { toHex } from 'web3-utils';

9import { bufferedPublicKeyToAddress } from './utils/crypto';

11export function EthereumWallet(privateKey) {

12 this.privateKey = privateKey;

13 this.publicKey = secp256k1.publicKeyCreate(this.privateKey);

14 const pub = this.publicKey.toString('hex');

15 this.address = publicToAddress(pub).toString('hex');

18export const urbitWalletFromTicket = async (ticket, point, passphrase) => {

19 return await kg.generateWallet({

20 ticket: ticket,

21 ship: point,

22 passphrase: passphrase,

23 });

26export const walletFromMnemonic = (

27 mnemonic,

28 hdpath,

29 passphrase,

30 skipMnemonicCheck

31) => {

32 const seed =

33 skipMnemonicCheck || bip39.validateMnemonic(mnemonic)

34 ? Just(bip39.mnemonicToSeedSync(mnemonic, passphrase))

35 : Nothing();

37 const toWallet = (sd, path) => {

38 let wal;

39 const hd = bip32.fromSeed(sd);

40 wal = hd.derivePath(path);

41 wal.address = bufferedPublicKeyToAddress(wal.publicKey);

42 wal.passphrase = passphrase || '';

43 wal = Just(wal);

44 return wal;

45 };

47 const wallet = seed.chain(sd => toWallet(sd, hdpath));

49 return wallet;