mirror of
https://github.com/BlueWallet/BlueWallet.git
synced 2025-03-26 00:31:00 +01:00
refactor class.js into folder
This commit is contained in:
Sergii Tsegelnyk
parent
643360d054
commit
49e2a2edb2
8 changed files with 558 additions and 564 deletions
564
class.js
564
class.js
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@ -1,564 +0,0 @@
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/* global fetch */
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import { AsyncStorage } from 'react-native';
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import Frisbee from 'frisbee';
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let useBlockcypherTokens = false;
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let bitcoin = require('bitcoinjs-lib');
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let signer = require('./models/signer');
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let BigNumber = require('bignumber.js');
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let isaac = require('isaac');
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// alternative https://github.com/pointbiz/bitaddress.org/blob/master/src/securerandom.js
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class AbstractWallet {
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constructor() {
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this.type = 'abstract';
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this.label = '';
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this.secret = ''; // private key or recovery phrase
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this.balance = 0;
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this.transactions = [];
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this._address = false; // cache
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this.utxo = [];
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}
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getTransactions() {
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return this.transactions;
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}
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getTypeReadable() {
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return this.type;
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}
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/**
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*
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* @returns {string}
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*/
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getLabel() {
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return this.label;
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}
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getBalance() {
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return this.balance;
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}
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setLabel(newLabel) {
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this.label = newLabel;
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return this;
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}
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getSecret() {
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return this.secret;
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}
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setSecret(newSecret) {
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this.secret = newSecret;
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return this;
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}
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static fromJson(obj) {
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let obj2 = JSON.parse(obj);
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let temp = new this();
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for (let key2 of Object.keys(obj2)) {
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temp[key2] = obj2[key2];
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}
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return temp;
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}
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getAddress() {}
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// createTx () { throw Error('not implemented') }
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}
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/**
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* Has private key and address signle like "1ABCD....."
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* (legacy P2PKH compressed)
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*/
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export class LegacyWallet extends AbstractWallet {
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constructor() {
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super();
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this.type = 'legacy';
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}
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generate() {
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function myRng(c) {
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let buf = Buffer.alloc(c);
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let totalhex = '';
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for (let i = 0; i < c; i++) {
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let randomNumber = isaac.random();
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randomNumber = Math.floor(randomNumber * 255);
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let n = new BigNumber(randomNumber);
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let hex = n.toString(16);
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if (hex.length === 1) {
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hex = '0' + hex;
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}
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totalhex += hex;
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}
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totalhex = bitcoin.crypto.sha256('oh hai!' + totalhex).toString('hex');
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totalhex = bitcoin.crypto.sha256(totalhex).toString('hex');
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buf.fill(totalhex, 0, 'hex');
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return buf;
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}
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this.secret = bitcoin.ECPair.makeRandom({ rng: myRng }).toWIF();
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}
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getTypeReadable() {
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return 'P2 PKH';
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}
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/**
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*
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* @returns {string}
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*/
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getAddress() {
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if (this._address) return this._address;
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let address;
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try {
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let keyPair = bitcoin.ECPair.fromWIF(this.secret);
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address = keyPair.getAddress();
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} catch (err) {
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return false;
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}
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this._address = address;
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return this._address;
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}
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async fetchBalance() {
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let response;
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let token = (array => {
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for (let i = array.length - 1; i > 0; i--) {
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let j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]];
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}
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return array[0];
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})([
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'0326b7107b4149559d18ce80612ef812',
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'a133eb7ccacd4accb80cb1225de4b155',
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'7c2b1628d27b4bd3bf8eaee7149c577f',
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'f1e5a02b9ec84ec4bc8db2349022e5f5',
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'e5926dbeb57145979153adc41305b183',
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]);
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try {
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if (useBlockcypherTokens) {
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response = await fetch(
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'https://api.blockcypher.com/v1/btc/main/addrs/' +
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this.getAddress() +
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'/balance?token=' +
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token,
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);
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} else {
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response = await fetch(
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'https://api.blockcypher.com/v1/btc/main/addrs/' +
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this.getAddress() +
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'/balance',
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);
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}
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let json = await response.json();
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if (typeof json.final_balance === 'undefined') {
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throw new Error('Could not fetch balance from API');
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}
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this.balance = json.final_balance / 100000000;
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} catch (err) {
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console.warn(err);
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}
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}
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async fetchUtxo() {
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let response;
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let token = (array => {
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for (let i = array.length - 1; i > 0; i--) {
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let j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]];
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}
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return array[0];
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})([
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'0326b7107b4149559d18ce80612ef812',
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'a133eb7ccacd4accb80cb1225de4b155',
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'7c2b1628d27b4bd3bf8eaee7149c577f',
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'f1e5a02b9ec84ec4bc8db2349022e5f5',
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'e5926dbeb57145979153adc41305b183',
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]);
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try {
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// TODO: hande case when there's more than 2000 UTXOs (do pagination)
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// TODO: (2000 is max UTXOs we can fetch in one call)
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if (useBlockcypherTokens) {
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response = await fetch(
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'https://api.blockcypher.com/v1/btc/main/addrs/' +
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this.getAddress() +
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'?unspentOnly=true&limit=2000&token=' +
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token,
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);
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} else {
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response = await fetch(
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'https://api.blockcypher.com/v1/btc/main/addrs/' +
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this.getAddress() +
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'?unspentOnly=true&limit=2000',
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);
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}
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let json = await response.json();
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if (typeof json.final_balance === 'undefined') {
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throw new Error('Could not fetch UTXO from API');
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}
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json.txrefs = json.txrefs || []; // case when source address is empty
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this.utxo = json.txrefs;
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json.unconfirmed_txrefs = json.unconfirmed_txrefs || [];
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this.utxo = this.utxo.concat(json.unconfirmed_txrefs);
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console.log('got utxo: ', this.utxo);
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} catch (err) {
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console.warn(err);
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}
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}
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async fetchTransactions() {
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let response;
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let token = (array => {
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for (let i = array.length - 1; i > 0; i--) {
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let j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]];
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}
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return array[0];
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})([
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'0326b7107b4149559d18ce80612ef812',
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'a133eb7ccacd4accb80cb1225de4b155',
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'7c2b1628d27b4bd3bf8eaee7149c577f',
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'f1e5a02b9ec84ec4bc8db2349022e5f5',
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'e5926dbeb57145979153adc41305b183',
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]);
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try {
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let url;
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if (useBlockcypherTokens) {
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response = await fetch(
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(url =
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'https://api.blockcypher.com/v1/btc/main/addrs/' +
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this.getAddress() +
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'/full?token=' +
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token),
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);
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} else {
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response = await fetch(
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(url =
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'https://api.blockcypher.com/v1/btc/main/addrs/' +
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this.getAddress() +
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'/full'),
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);
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}
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console.log(url);
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let json = await response.json();
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if (!json.txs) {
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throw new Error('Could not fetch transactions from API');
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}
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this.transactions = json.txs;
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// now, calculating value per each transaction...
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for (let tx of this.transactions) {
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// how much came in...
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let value = 0;
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for (let out of tx.outputs) {
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if (out.addresses.indexOf(this.getAddress()) !== -1) {
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// found our address in outs of this TX
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value += out.value;
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}
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}
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tx.value = value;
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// end
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// how much came out
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value = 0;
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for (let inp of tx.inputs) {
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if (inp.addresses.indexOf(this.getAddress()) !== -1) {
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// found our address in outs of this TX
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value -= inp.output_value;
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}
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}
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console.log('came out', value);
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tx.value += value;
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// end
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}
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} catch (err) {
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console.warn(err);
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}
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}
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getShortAddress() {
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let a = this.getAddress().split('');
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return (
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a[0] +
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a[1] +
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a[2] +
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a[3] +
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a[4] +
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a[5] +
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a[6] +
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a[7] +
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a[8] +
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a[9] +
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a[10] +
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a[11] +
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a[12] +
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a[13] +
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'...' +
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a[a.length - 6] +
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a[a.length - 5] +
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a[a.length - 4] +
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a[a.length - 3] +
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a[a.length - 2] +
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a[a.length - 1]
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);
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}
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async broadcastTx(txhex) {
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const api = new Frisbee({
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baseURI: 'https://btczen.com',
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headers: {
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Accept: 'application/json',
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'Content-Type': 'application/json',
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},
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});
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let res = await api.get('/broadcast/' + txhex);
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console.log('response', res.body);
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return res.body;
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/* const api = new Frisbee({
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baseURI: 'https://api.blockcypher.com',
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headers: {
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'Accept': 'application/json',
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'Content-Type': 'application/json'
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}
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})
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;let token = ((array) => {
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for (let i = array.length - 1; i > 0; i--) {
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let j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]]
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}
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return array[0]
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})(['0326b7107b4149559d18ce80612ef812', 'a133eb7ccacd4accb80cb1225de4b155', '7c2b1628d27b4bd3bf8eaee7149c577f', 'f1e5a02b9ec84ec4bc8db2349022e5f5', 'e5926dbeb57145979153adc41305b183'])
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console.log('broadcast using token')
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let res = await api.post('/v1/btc/main/txs/push?token=' + token, {body: {'tx': txhex}})
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console.log('response', res.body)
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return res.body */
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}
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}
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export class SegwitBech32Wallet extends LegacyWallet {
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constructor() {
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super();
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this.type = 'segwitBech32';
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}
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getTypeReadable() {
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return 'P2 WPKH';
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}
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getAddress() {
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if (this._address) return this._address;
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let address;
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try {
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let keyPair = bitcoin.ECPair.fromWIF(this.secret);
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let pubKey = keyPair.getPublicKeyBuffer();
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let scriptPubKey = bitcoin.script.witnessPubKeyHash.output.encode(
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bitcoin.crypto.hash160(pubKey),
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);
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address = bitcoin.address.fromOutputScript(scriptPubKey);
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} catch (err) {
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return false;
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}
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this._address = address;
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return this._address;
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}
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}
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export class SegwitP2SHWallet extends LegacyWallet {
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constructor() {
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super();
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this.type = 'segwitP2SH';
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}
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getTypeReadable() {
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return 'SegWit (P2SH)';
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}
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getAddress() {
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if (this._address) return this._address;
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let address;
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try {
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let keyPair = bitcoin.ECPair.fromWIF(this.secret);
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let pubKey = keyPair.getPublicKeyBuffer();
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let witnessScript = bitcoin.script.witnessPubKeyHash.output.encode(
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bitcoin.crypto.hash160(pubKey),
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);
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let scriptPubKey = bitcoin.script.scriptHash.output.encode(
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bitcoin.crypto.hash160(witnessScript),
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);
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address = bitcoin.address.fromOutputScript(scriptPubKey);
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} catch (err) {
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return false;
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}
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this._address = address;
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return this._address;
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}
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createTx(utxos, amount, fee, address, memo, sequence) {
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if (sequence === undefined) {
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sequence = 0;
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}
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// transforming UTXOs fields to how module expects it
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for (let u of utxos) {
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u.confirmations = 6; // hack to make module accept 0 confirmations
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u.txid = u.tx_hash;
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u.vout = u.tx_output_n;
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u.amount = new BigNumber(u.value);
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u.amount = u.amount.div(100000000);
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u.amount = u.amount.toString(10);
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}
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console.log(
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'creating tx ',
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amount,
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' with fee ',
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fee,
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'secret=',
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this.getSecret(),
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'from address',
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this.getAddress(),
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);
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let amountPlusFee = parseFloat(new BigNumber(amount).add(fee).toString(10));
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// to compensate that module substracts fee from amount
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return signer.createSegwitTransaction(
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utxos,
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address,
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amountPlusFee,
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fee,
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this.getSecret(),
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this.getAddress(),
|
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sequence,
|
||||
);
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}
|
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}
|
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|
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export class AppStorage {
|
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constructor() {
|
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/** {Array.<AbstractWallet>} */
|
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this.wallets = [];
|
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this.tx_metadata = {};
|
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this.settings = {
|
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brandingColor: '#00aced',
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buttonBackground: '#00aced',
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buttonDangedBackground: '#F40349',
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};
|
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}
|
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|
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async loadFromDisk() {
|
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try {
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let data = await AsyncStorage.getItem('data');
|
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if (data !== null) {
|
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data = JSON.parse(data);
|
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if (!data.wallets) return false;
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let wallets = data.wallets;
|
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for (let key of wallets) {
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// deciding which type is wallet and instatiating correct object
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let tempObj = JSON.parse(key);
|
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let unserializedWallet;
|
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switch (tempObj.type) {
|
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case 'segwitBech32':
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unserializedWallet = SegwitBech32Wallet.fromJson(key);
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break;
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case 'segwitP2SH':
|
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unserializedWallet = SegwitP2SHWallet.fromJson(key);
|
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break;
|
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case 'legacy':
|
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default:
|
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unserializedWallet = LegacyWallet.fromJson(key);
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break;
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}
|
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// done
|
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this.wallets.push(unserializedWallet);
|
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this.tx_metadata = data.tx_metadata;
|
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}
|
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}
|
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} catch (error) {
|
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return false;
|
||||
}
|
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}
|
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|
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/**
|
||||
*
|
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* @param wallet {AbstractWallet}
|
||||
*/
|
||||
deleteWallet(wallet) {
|
||||
let secret = wallet.getSecret();
|
||||
let tempWallets = [];
|
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for (let value of this.wallets) {
|
||||
if (value.getSecret() === secret) {
|
||||
// the one we should delete
|
||||
// nop
|
||||
} else {
|
||||
// the one we must keep
|
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tempWallets.push(value);
|
||||
}
|
||||
}
|
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this.wallets = tempWallets;
|
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}
|
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|
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saveToDisk() {
|
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let walletsToSave = [];
|
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for (let key of this.wallets) {
|
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walletsToSave.push(JSON.stringify(key));
|
||||
}
|
||||
|
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let data = {
|
||||
wallets: walletsToSave,
|
||||
tx_metadata: this.tx_metadata,
|
||||
};
|
||||
|
||||
return AsyncStorage.setItem('data', JSON.stringify(data));
|
||||
}
|
||||
|
||||
async fetchWalletBalances() {
|
||||
// console.warn('app - fetchWalletBalances()')
|
||||
for (let wallet of this.wallets) {
|
||||
await wallet.fetchBalance();
|
||||
}
|
||||
}
|
||||
|
||||
async fetchWalletTransactions() {
|
||||
// console.warn('app - fetchWalletTransactions()')
|
||||
for (let wallet of this.wallets) {
|
||||
await wallet.fetchTransactions();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @returns {Array.<AbstractWallet>}
|
||||
*/
|
||||
getWallets() {
|
||||
return this.wallets;
|
||||
}
|
||||
|
||||
getTransactions() {
|
||||
let txs = [];
|
||||
for (let wallet of this.wallets) {
|
||||
txs = txs.concat(wallet.transactions);
|
||||
}
|
||||
return txs;
|
||||
}
|
||||
|
||||
saveWallets() {}
|
||||
|
||||
listTXs() {}
|
||||
|
||||
listUnconfirmed() {}
|
||||
|
||||
getBalance() {
|
||||
let finalBalance = 0;
|
||||
for (let wal of this.wallets) {
|
||||
finalBalance += wal.balance;
|
||||
}
|
||||
return finalBalance;
|
||||
}
|
||||
}
|
||||
59
class/abstract-wallet.js
Normal file
59
class/abstract-wallet.js
Normal file
|
|
@ -0,0 +1,59 @@
|
|||
export class AbstractWallet {
|
||||
constructor() {
|
||||
this.type = 'abstract';
|
||||
this.label = '';
|
||||
this.secret = ''; // private key or recovery phrase
|
||||
this.balance = 0;
|
||||
this.transactions = [];
|
||||
this._address = false; // cache
|
||||
this.utxo = [];
|
||||
}
|
||||
|
||||
getTransactions() {
|
||||
return this.transactions;
|
||||
}
|
||||
|
||||
getTypeReadable() {
|
||||
return this.type;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @returns {string}
|
||||
*/
|
||||
getLabel() {
|
||||
return this.label;
|
||||
}
|
||||
|
||||
getBalance() {
|
||||
return this.balance;
|
||||
}
|
||||
|
||||
setLabel(newLabel) {
|
||||
this.label = newLabel;
|
||||
return this;
|
||||
}
|
||||
|
||||
getSecret() {
|
||||
return this.secret;
|
||||
}
|
||||
|
||||
setSecret(newSecret) {
|
||||
this.secret = newSecret;
|
||||
return this;
|
||||
}
|
||||
|
||||
static fromJson(obj) {
|
||||
let obj2 = JSON.parse(obj);
|
||||
let temp = new this();
|
||||
for (let key2 of Object.keys(obj2)) {
|
||||
temp[key2] = obj2[key2];
|
||||
}
|
||||
|
||||
return temp;
|
||||
}
|
||||
|
||||
getAddress() {}
|
||||
|
||||
// createTx () { throw Error('not implemented') }
|
||||
}
|
||||
124
class/app-storage.js
Normal file
124
class/app-storage.js
Normal file
|
|
@ -0,0 +1,124 @@
|
|||
import { AsyncStorage } from 'react-native'
|
||||
|
||||
export class AppStorage {
|
||||
constructor() {
|
||||
/** {Array.<AbstractWallet>} */
|
||||
this.wallets = [];
|
||||
this.tx_metadata = {};
|
||||
this.settings = {
|
||||
brandingColor: '#00aced',
|
||||
buttonBackground: '#00aced',
|
||||
buttonDangedBackground: '#F40349',
|
||||
};
|
||||
}
|
||||
|
||||
async loadFromDisk() {
|
||||
try {
|
||||
let data = await AsyncStorage.getItem('data');
|
||||
if (data !== null) {
|
||||
data = JSON.parse(data);
|
||||
if (!data.wallets) return false;
|
||||
let wallets = data.wallets;
|
||||
for (let key of wallets) {
|
||||
// deciding which type is wallet and instatiating correct object
|
||||
let tempObj = JSON.parse(key);
|
||||
let unserializedWallet;
|
||||
switch (tempObj.type) {
|
||||
case 'segwitBech32':
|
||||
unserializedWallet = SegwitBech32Wallet.fromJson(key);
|
||||
break;
|
||||
case 'segwitP2SH':
|
||||
unserializedWallet = SegwitP2SHWallet.fromJson(key);
|
||||
break;
|
||||
case 'legacy':
|
||||
default:
|
||||
unserializedWallet = LegacyWallet.fromJson(key);
|
||||
break;
|
||||
}
|
||||
// done
|
||||
this.wallets.push(unserializedWallet);
|
||||
this.tx_metadata = data.tx_metadata;
|
||||
}
|
||||
}
|
||||
} catch (error) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param wallet {AbstractWallet}
|
||||
*/
|
||||
deleteWallet(wallet) {
|
||||
let secret = wallet.getSecret();
|
||||
let tempWallets = [];
|
||||
for (let value of this.wallets) {
|
||||
if (value.getSecret() === secret) {
|
||||
// the one we should delete
|
||||
// nop
|
||||
} else {
|
||||
// the one we must keep
|
||||
tempWallets.push(value);
|
||||
}
|
||||
}
|
||||
this.wallets = tempWallets;
|
||||
}
|
||||
|
||||
saveToDisk() {
|
||||
let walletsToSave = [];
|
||||
for (let key of this.wallets) {
|
||||
walletsToSave.push(JSON.stringify(key));
|
||||
}
|
||||
|
||||
let data = {
|
||||
wallets: walletsToSave,
|
||||
tx_metadata: this.tx_metadata,
|
||||
};
|
||||
|
||||
return AsyncStorage.setItem('data', JSON.stringify(data));
|
||||
}
|
||||
|
||||
async fetchWalletBalances() {
|
||||
// console.warn('app - fetchWalletBalances()')
|
||||
for (let wallet of this.wallets) {
|
||||
await wallet.fetchBalance();
|
||||
}
|
||||
}
|
||||
|
||||
async fetchWalletTransactions() {
|
||||
// console.warn('app - fetchWalletTransactions()')
|
||||
for (let wallet of this.wallets) {
|
||||
await wallet.fetchTransactions();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @returns {Array.<AbstractWallet>}
|
||||
*/
|
||||
getWallets() {
|
||||
return this.wallets;
|
||||
}
|
||||
|
||||
getTransactions() {
|
||||
let txs = [];
|
||||
for (let wallet of this.wallets) {
|
||||
txs = txs.concat(wallet.transactions);
|
||||
}
|
||||
return txs;
|
||||
}
|
||||
|
||||
saveWallets() {}
|
||||
|
||||
listTXs() {}
|
||||
|
||||
listUnconfirmed() {}
|
||||
|
||||
getBalance() {
|
||||
let finalBalance = 0;
|
||||
for (let wal of this.wallets) {
|
||||
finalBalance += wal.balance;
|
||||
}
|
||||
return finalBalance;
|
||||
}
|
||||
}
|
||||
5
class/constants.js
Normal file
5
class/constants.js
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
/**
|
||||
* Let's keep config vars, constants and definitions here
|
||||
*/
|
||||
|
||||
export const useBlockcypherTokens = false
|
||||
6
class/index.js
Normal file
6
class/index.js
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
export * from './abstract-wallet'
|
||||
export * from './app-storage'
|
||||
export * from './constants'
|
||||
export * from './legacy-wallet'
|
||||
export * from './segwit-bech-wallet'
|
||||
export * from './segwit-p2sh-wallet'
|
||||
261
class/legacy-wallet.js
Normal file
261
class/legacy-wallet.js
Normal file
|
|
@ -0,0 +1,261 @@
|
|||
import { AbstractWallet } from './abstract-wallet'
|
||||
import { useBlockcypherTokens } from './constants'
|
||||
import Frisbee from 'frisbee'
|
||||
const isaac = require('isaac')
|
||||
const BigNumber = require('bignumber.js')
|
||||
const bitcoin = require('bitcoinjs-lib')
|
||||
|
||||
/**
|
||||
* Has private key and address signle like "1ABCD....."
|
||||
* (legacy P2PKH compressed)
|
||||
*/
|
||||
export class LegacyWallet extends AbstractWallet {
|
||||
constructor() {
|
||||
super();
|
||||
this.type = 'legacy';
|
||||
}
|
||||
|
||||
generate() {
|
||||
function myRng(c) {
|
||||
let buf = Buffer.alloc(c);
|
||||
let totalhex = '';
|
||||
for (let i = 0; i < c; i++) {
|
||||
let randomNumber = isaac.random();
|
||||
randomNumber = Math.floor(randomNumber * 255);
|
||||
let n = new BigNumber(randomNumber);
|
||||
let hex = n.toString(16);
|
||||
if (hex.length === 1) {
|
||||
hex = '0' + hex;
|
||||
}
|
||||
totalhex += hex;
|
||||
}
|
||||
totalhex = bitcoin.crypto.sha256('oh hai!' + totalhex).toString('hex');
|
||||
totalhex = bitcoin.crypto.sha256(totalhex).toString('hex');
|
||||
buf.fill(totalhex, 0, 'hex');
|
||||
return buf;
|
||||
}
|
||||
this.secret = bitcoin.ECPair.makeRandom({ rng: myRng }).toWIF();
|
||||
}
|
||||
|
||||
getTypeReadable() {
|
||||
return 'P2 PKH';
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @returns {string}
|
||||
*/
|
||||
getAddress() {
|
||||
if (this._address) return this._address;
|
||||
let address;
|
||||
try {
|
||||
let keyPair = bitcoin.ECPair.fromWIF(this.secret);
|
||||
address = keyPair.getAddress();
|
||||
} catch (err) {
|
||||
return false;
|
||||
}
|
||||
this._address = address;
|
||||
|
||||
return this._address;
|
||||
}
|
||||
|
||||
async fetchBalance() {
|
||||
let response;
|
||||
let token = (array => {
|
||||
for (let i = array.length - 1; i > 0; i--) {
|
||||
let j = Math.floor(Math.random() * (i + 1));
|
||||
[array[i], array[j]] = [array[j], array[i]];
|
||||
}
|
||||
return array[0];
|
||||
})([
|
||||
'0326b7107b4149559d18ce80612ef812',
|
||||
'a133eb7ccacd4accb80cb1225de4b155',
|
||||
'7c2b1628d27b4bd3bf8eaee7149c577f',
|
||||
'f1e5a02b9ec84ec4bc8db2349022e5f5',
|
||||
'e5926dbeb57145979153adc41305b183',
|
||||
]);
|
||||
try {
|
||||
if (useBlockcypherTokens) {
|
||||
response = await fetch(
|
||||
'https://api.blockcypher.com/v1/btc/main/addrs/' +
|
||||
this.getAddress() +
|
||||
'/balance?token=' +
|
||||
token,
|
||||
);
|
||||
} else {
|
||||
response = await fetch(
|
||||
'https://api.blockcypher.com/v1/btc/main/addrs/' +
|
||||
this.getAddress() +
|
||||
'/balance',
|
||||
);
|
||||
}
|
||||
let json = await response.json();
|
||||
if (typeof json.final_balance === 'undefined') {
|
||||
throw new Error('Could not fetch balance from API');
|
||||
}
|
||||
this.balance = json.final_balance / 100000000;
|
||||
} catch (err) {
|
||||
console.warn(err);
|
||||
}
|
||||
}
|
||||
|
||||
async fetchUtxo() {
|
||||
let response;
|
||||
let token = (array => {
|
||||
for (let i = array.length - 1; i > 0; i--) {
|
||||
let j = Math.floor(Math.random() * (i + 1));
|
||||
[array[i], array[j]] = [array[j], array[i]];
|
||||
}
|
||||
return array[0];
|
||||
})([
|
||||
'0326b7107b4149559d18ce80612ef812',
|
||||
'a133eb7ccacd4accb80cb1225de4b155',
|
||||
'7c2b1628d27b4bd3bf8eaee7149c577f',
|
||||
'f1e5a02b9ec84ec4bc8db2349022e5f5',
|
||||
'e5926dbeb57145979153adc41305b183',
|
||||
]);
|
||||
try {
|
||||
// TODO: hande case when there's more than 2000 UTXOs (do pagination)
|
||||
// TODO: (2000 is max UTXOs we can fetch in one call)
|
||||
if (useBlockcypherTokens) {
|
||||
response = await fetch(
|
||||
'https://api.blockcypher.com/v1/btc/main/addrs/' +
|
||||
this.getAddress() +
|
||||
'?unspentOnly=true&limit=2000&token=' +
|
||||
token,
|
||||
);
|
||||
} else {
|
||||
response = await fetch(
|
||||
'https://api.blockcypher.com/v1/btc/main/addrs/' +
|
||||
this.getAddress() +
|
||||
'?unspentOnly=true&limit=2000',
|
||||
);
|
||||
}
|
||||
let json = await response.json();
|
||||
if (typeof json.final_balance === 'undefined') {
|
||||
throw new Error('Could not fetch UTXO from API');
|
||||
}
|
||||
json.txrefs = json.txrefs || []; // case when source address is empty
|
||||
this.utxo = json.txrefs;
|
||||
|
||||
json.unconfirmed_txrefs = json.unconfirmed_txrefs || [];
|
||||
this.utxo = this.utxo.concat(json.unconfirmed_txrefs);
|
||||
|
||||
console.log('got utxo: ', this.utxo);
|
||||
} catch (err) {
|
||||
console.warn(err);
|
||||
}
|
||||
}
|
||||
|
||||
async fetchTransactions() {
|
||||
let response;
|
||||
let token = (array => {
|
||||
for (let i = array.length - 1; i > 0; i--) {
|
||||
let j = Math.floor(Math.random() * (i + 1));
|
||||
[array[i], array[j]] = [array[j], array[i]];
|
||||
}
|
||||
return array[0];
|
||||
})([
|
||||
'0326b7107b4149559d18ce80612ef812',
|
||||
'a133eb7ccacd4accb80cb1225de4b155',
|
||||
'7c2b1628d27b4bd3bf8eaee7149c577f',
|
||||
'f1e5a02b9ec84ec4bc8db2349022e5f5',
|
||||
'e5926dbeb57145979153adc41305b183',
|
||||
]);
|
||||
try {
|
||||
let url;
|
||||
if (useBlockcypherTokens) {
|
||||
response = await fetch(
|
||||
(url =
|
||||
'https://api.blockcypher.com/v1/btc/main/addrs/' +
|
||||
this.getAddress() +
|
||||
'/full?token=' +
|
||||
token),
|
||||
);
|
||||
} else {
|
||||
response = await fetch(
|
||||
(url =
|
||||
'https://api.blockcypher.com/v1/btc/main/addrs/' +
|
||||
this.getAddress() +
|
||||
'/full'),
|
||||
);
|
||||
}
|
||||
console.log(url);
|
||||
let json = await response.json();
|
||||
if (!json.txs) {
|
||||
throw new Error('Could not fetch transactions from API');
|
||||
}
|
||||
|
||||
this.transactions = json.txs;
|
||||
// now, calculating value per each transaction...
|
||||
for (let tx of this.transactions) {
|
||||
// how much came in...
|
||||
let value = 0;
|
||||
for (let out of tx.outputs) {
|
||||
if (out.addresses.indexOf(this.getAddress()) !== -1) {
|
||||
// found our address in outs of this TX
|
||||
value += out.value;
|
||||
}
|
||||
}
|
||||
tx.value = value;
|
||||
// end
|
||||
|
||||
// how much came out
|
||||
value = 0;
|
||||
for (let inp of tx.inputs) {
|
||||
if (inp.addresses.indexOf(this.getAddress()) !== -1) {
|
||||
// found our address in outs of this TX
|
||||
value -= inp.output_value;
|
||||
}
|
||||
}
|
||||
console.log('came out', value);
|
||||
tx.value += value;
|
||||
// end
|
||||
}
|
||||
} catch (err) {
|
||||
console.warn(err);
|
||||
}
|
||||
}
|
||||
|
||||
getShortAddress() {
|
||||
let a = this.getAddress().split('');
|
||||
return (
|
||||
a[0] +
|
||||
a[1] +
|
||||
a[2] +
|
||||
a[3] +
|
||||
a[4] +
|
||||
a[5] +
|
||||
a[6] +
|
||||
a[7] +
|
||||
a[8] +
|
||||
a[9] +
|
||||
a[10] +
|
||||
a[11] +
|
||||
a[12] +
|
||||
a[13] +
|
||||
'...' +
|
||||
a[a.length - 6] +
|
||||
a[a.length - 5] +
|
||||
a[a.length - 4] +
|
||||
a[a.length - 3] +
|
||||
a[a.length - 2] +
|
||||
a[a.length - 1]
|
||||
);
|
||||
}
|
||||
|
||||
async broadcastTx(txhex) {
|
||||
const api = new Frisbee({
|
||||
baseURI: 'https://btczen.com',
|
||||
headers: {
|
||||
Accept: 'application/json',
|
||||
'Content-Type': 'application/json',
|
||||
},
|
||||
});
|
||||
|
||||
let res = await api.get('/broadcast/' + txhex);
|
||||
console.log('response', res.body);
|
||||
return res.body;
|
||||
|
||||
}
|
||||
}
|
||||
31
class/segwit-bech-wallet.js
Normal file
31
class/segwit-bech-wallet.js
Normal file
|
|
@ -0,0 +1,31 @@
|
|||
import { LegacyWallet } from './legacy-wallet'
|
||||
const bitcoin = require('bitcoinjs-lib')
|
||||
|
||||
export class SegwitBech32Wallet extends LegacyWallet {
|
||||
constructor() {
|
||||
super();
|
||||
this.type = 'segwitBech32';
|
||||
}
|
||||
|
||||
getTypeReadable() {
|
||||
return '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;
|
||||
}
|
||||
}
|
||||
72
class/segwit-p2sh-wallet.js
Normal file
72
class/segwit-p2sh-wallet.js
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
import { LegacyWallet } from './legacy-wallet'
|
||||
const bitcoin = require('bitcoinjs-lib')
|
||||
const signer = require('../models/signer')
|
||||
const BigNumber = require('bignumber.js')
|
||||
|
||||
export class SegwitP2SHWallet extends LegacyWallet {
|
||||
constructor() {
|
||||
super();
|
||||
this.type = 'segwitP2SH';
|
||||
}
|
||||
|
||||
getTypeReadable() {
|
||||
return 'SegWit (P2SH)';
|
||||
}
|
||||
|
||||
getAddress() {
|
||||
if (this._address) return this._address;
|
||||
let address;
|
||||
try {
|
||||
let keyPair = bitcoin.ECPair.fromWIF(this.secret);
|
||||
let pubKey = keyPair.getPublicKeyBuffer();
|
||||
let witnessScript = bitcoin.script.witnessPubKeyHash.output.encode(
|
||||
bitcoin.crypto.hash160(pubKey),
|
||||
);
|
||||
let scriptPubKey = bitcoin.script.scriptHash.output.encode(
|
||||
bitcoin.crypto.hash160(witnessScript),
|
||||
);
|
||||
address = bitcoin.address.fromOutputScript(scriptPubKey);
|
||||
} catch (err) {
|
||||
return false;
|
||||
}
|
||||
this._address = address;
|
||||
|
||||
return this._address;
|
||||
}
|
||||
|
||||
createTx(utxos, amount, fee, address, memo, sequence) {
|
||||
if (sequence === undefined) {
|
||||
sequence = 0;
|
||||
}
|
||||
// transforming UTXOs fields to how module expects it
|
||||
for (let u of utxos) {
|
||||
u.confirmations = 6; // hack to make module accept 0 confirmations
|
||||
u.txid = u.tx_hash;
|
||||
u.vout = u.tx_output_n;
|
||||
u.amount = new BigNumber(u.value);
|
||||
u.amount = u.amount.div(100000000);
|
||||
u.amount = u.amount.toString(10);
|
||||
}
|
||||
console.log(
|
||||
'creating tx ',
|
||||
amount,
|
||||
' with fee ',
|
||||
fee,
|
||||
'secret=',
|
||||
this.getSecret(),
|
||||
'from address',
|
||||
this.getAddress(),
|
||||
);
|
||||
let amountPlusFee = parseFloat(new BigNumber(amount).add(fee).toString(10));
|
||||
// to compensate that module substracts fee from amount
|
||||
return signer.createSegwitTransaction(
|
||||
utxos,
|
||||
address,
|
||||
amountPlusFee,
|
||||
fee,
|
||||
this.getSecret(),
|
||||
this.getAddress(),
|
||||
sequence,
|
||||
);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue