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ADD: show zpub for electrum seed segwit wallets

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This commit is contained in:
Ivan Vershigora 2021-05-06 11:57:25 +03:00
parent 19bc9f09b9
commit fdd88faf80
2 changed files with 16 additions and 6 deletions
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20
class/wallets/hd-segwit-electrum-seed-p2wpkh-wallet.js
View file

@ -1,3 +1,4 @@
import b58 from 'bs58check';
import { HDSegwitBech32Wallet } from './hd-segwit-bech32-wallet';
const bitcoin = require('bitcoinjs-lib');
@ -33,7 +34,14 @@ export class HDSegwitElectrumSeedP2WPKHWallet extends HDSegwitBech32Wallet {
return this._xpub; // cache hit
}
const root = bitcoin.bip32.fromSeed(mn.mnemonicToSeedSync(this.secret, MNEMONIC_TO_SEED_OPTS));
this._xpub = root.derivePath("m/0'").neutered().toBase58();
const xpub = root.derivePath("m/0'").neutered().toBase58();
// bitcoinjs does not support zpub yet, so we just convert it from xpub
let data = b58.decode(xpub);
data = data.slice(4);
data = Buffer.concat([Buffer.from('04b24746', 'hex'), data]);
this._xpub = b58.encode(data);
return this._xpub;
}
@ -41,7 +49,8 @@ export class HDSegwitElectrumSeedP2WPKHWallet extends HDSegwitBech32Wallet {
index = index * 1; // cast to int
if (this.internal_addresses_cache[index]) return this.internal_addresses_cache[index]; // cache hit
const node = bitcoin.bip32.fromBase58(this.getXpub());
const xpub = this.constructor._zpubToXpub(this.getXpub());
const node = bitcoin.bip32.fromBase58(xpub);
const address = bitcoin.payments.p2wpkh({
pubkey: node.derive(1).derive(index).publicKey,
}).address;
@ -53,7 +62,8 @@ export class HDSegwitElectrumSeedP2WPKHWallet extends HDSegwitBech32Wallet {
index = index * 1; // cast to int
if (this.external_addresses_cache[index]) return this.external_addresses_cache[index]; // cache hit
const node = bitcoin.bip32.fromBase58(this.getXpub());
const xpub = this.constructor._zpubToXpub(this.getXpub());
const node = bitcoin.bip32.fromBase58(xpub);
const address = bitcoin.payments.p2wpkh({
pubkey: node.derive(0).derive(index).publicKey,
}).address;
@ -74,13 +84,13 @@ export class HDSegwitElectrumSeedP2WPKHWallet extends HDSegwitBech32Wallet {
index = index * 1; // cast to int
if (node === 0 && !this._node0) {
const xpub = this.getXpub();
const xpub = this.constructor._zpubToXpub(this.getXpub());
const hdNode = HDNode.fromBase58(xpub);
this._node0 = hdNode.derive(node);
}
if (node === 1 && !this._node1) {
const xpub = this.getXpub();
const xpub = this.constructor._zpubToXpub(this.getXpub());
const hdNode = HDNode.fromBase58(xpub);
this._node1 = hdNode.derive(node);
}

2
tests/unit/hd-segwit-electrum-seed-p2wpkh-wallet.test.js
View file

@ -20,7 +20,7 @@ describe('HDSegwitElectrumSeedP2WPKHWallet', () => {
assert.ok(hd.validateMnemonic());
assert.strictEqual(
hd.getXpub(),
'xpub68RzTumZwSbVWwETioxTSk2PhBvBRDGNRHepHUC5x2gptbSVWhkezF3NKbq9sCJhnNKcPx2McNWJtFFdXLx97cknHhuDTDQsFg5cG7MSMY7',
'zpub6n6X5F7QEogTDXchPXXhrvDQ38D5JTFNFWhFrFyri3Sazo4x225nENMeN1kKs1cYbeZDtuDUXhDQepUkxjnAi67z2PJ4d33qo8Cu3HLw74c',
);
let address = hd._getExternalAddressByIndex(0);