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 './utils/address';

9export function EthereumWallet(privateKey) {

10 this.privateKey = privateKey;

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

12 this.address = publicToAddress(this.publicKey);

15export const urbitWalletFromTicket = async (ticket, point, passphrase) => {

16 return await kg.generateWallet({

17 ticket: ticket,

18 ship: point,

19 passphrase: passphrase,

20 });

23export const walletFromMnemonic = (

24 mnemonic: string,

25 hdpath: string,

26 passphrase?: string,

27 skipMnemonicCheck?: boolean

28) => {

29 const seed =

30 skipMnemonicCheck || bip39.validateMnemonic(mnemonic)

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

32 : Nothing();

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

35 let wal;

36 const hd = bip32.fromSeed(sd);

37 wal = hd.derivePath(path);

38 wal.address = publicToAddress(wal.publicKey);

39 wal.passphrase = passphrase || '';

40 wal = Just(wal);

41 return wal;

42 };

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

46 return wallet;