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 this.address = bufferedPublicKeyToAddress(this.publicKey);

17export const urbitWalletFromTicket = async (ticket, point, passphrase) => {

18 return await kg.generateWallet({

19 ticket: ticket,

20 ship: point,

21 passphrase: passphrase,

22 });

25export const walletFromMnemonic = (

26 mnemonic,

27 hdpath,

28 passphrase,

29 skipMnemonicCheck

30) => {

31 const seed =

32 skipMnemonicCheck || bip39.validateMnemonic(mnemonic)

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

34 : Nothing();

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

37 let wal;

38 const hd = bip32.fromSeed(sd);

39 wal = hd.derivePath(path);

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

41 wal.passphrase = passphrase || '';

42 wal = Just(wal);

43 return wal;

44 };

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

48 return wallet;