BlueWallet/class/segwit-bech-wallet.js
2019-01-05 20:23:51 +00:00

37 lines
1.2 KiB
JavaScript

import { LegacyWallet } from './legacy-wallet';
const bitcoin = require('bitcoinjs-lib');
export class SegwitBech32Wallet extends LegacyWallet {
static type = 'segwitBech32';
static typeReadable = 'P2 WPKH';
getAddress() {
if (this._address) return this._address;
let address;
try {
let keyPair = bitcoin.ECPair.fromWIF(this.secret);
let pubKey = keyPair.getPublicKeyBuffer();
let scriptPubKey = bitcoin.script.witnessPubKeyHash.output.encode(bitcoin.crypto.hash160(pubKey));
address = bitcoin.address.fromOutputScript(scriptPubKey);
} catch (err) {
return false;
}
this._address = address;
return this._address;
}
static witnessToAddress(witness) {
const pubKey = Buffer.from(witness, 'hex');
const pubKeyHash = bitcoin.crypto.hash160(pubKey);
const scriptPubKey = bitcoin.script.witnessPubKeyHash.output.encode(pubKeyHash);
return bitcoin.address.fromOutputScript(scriptPubKey, bitcoin.networks.bitcoin);
}
static scriptPubKeyToAddress(scriptPubKey) {
const bitcoin = require('bitcoinjs-lib');
const scriptPubKey2 = Buffer.from(scriptPubKey, 'hex');
return bitcoin.address.fromOutputScript(scriptPubKey2, bitcoin.networks.bitcoin);
}
}