mirror of https://github.com/BTCPrivate/copay.git
1080 lines
28 KiB
JavaScript
1080 lines
28 KiB
JavaScript
'use strict';
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var imports = require('soop').imports();
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var http = require('http');
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var EventEmitter = imports.EventEmitter || require('events').EventEmitter;
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var async = require('async');
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var preconditions = require('preconditions').singleton();
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var bitcore = require('bitcore');
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var bignum = bitcore.Bignum;
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var coinUtil = bitcore.util;
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var buffertools = bitcore.buffertools;
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var Builder = bitcore.TransactionBuilder;
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var SecureRandom = bitcore.SecureRandom;
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var Base58Check = bitcore.Base58.base58Check;
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var Address = bitcore.Address;
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var HDParams = require('./HDParams');
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var PublicKeyRing = require('./PublicKeyRing');
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var TxProposal = require('./TxProposal');
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var TxProposals = require('./TxProposals');
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var PrivateKey = require('./PrivateKey');
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var copayConfig = require('../../../config');
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function Wallet(opts) {
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var self = this;
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//required params
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['storage', 'network', 'blockchain',
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'requiredCopayers', 'totalCopayers', 'spendUnconfirmed',
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'publicKeyRing', 'txProposals', 'privateKey', 'version',
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'reconnectDelay'
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].forEach(function(k) {
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if (typeof opts[k] === 'undefined')
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throw new Error('missing required option for Wallet: ' + k);
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self[k] = opts[k];
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});
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if (copayConfig.forceNetwork && this.getNetworkName() !== copayConfig.networkName)
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throw new Error('Network forced to ' + copayConfig.networkName +
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' and tried to create a Wallet with network ' + this.getNetworkName());
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this.log('creating ' + opts.requiredCopayers + ' of ' + opts.totalCopayers + ' wallet');
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this.id = opts.id || Wallet.getRandomId();
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this.name = opts.name;
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this.verbose = opts.verbose;
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this.publicKeyRing.walletId = this.id;
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this.txProposals.walletId = this.id;
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this.network.maxPeers = this.totalCopayers;
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this.registeredPeerIds = [];
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this.addressBook = opts.addressBook || {};
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this.publicKey = this.privateKey.publicHex;
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//network nonces are 8 byte buffers, representing a big endian number
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//one nonce for oneself, and then one nonce for each copayer
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this.network.setHexNonce(opts.networkNonce);
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this.network.setHexNonces(opts.networkNonces);
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}
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Wallet.builderOpts = {
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lockTime: null,
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signhash: bitcore.Transaction.SIGNHASH_ALL,
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fee: null,
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feeSat: null,
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};
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Wallet.parent = EventEmitter;
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Wallet.prototype.log = function() {
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if (!this.verbose) return;
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if (console)
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console.log.apply(console, arguments);
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};
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Wallet.getRandomId = function() {
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var r = bitcore.SecureRandom.getPseudoRandomBuffer(8).toString('hex');
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return r;
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};
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Wallet.prototype.seedCopayer = function(pubKey) {
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this.seededCopayerId = pubKey;
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};
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Wallet.prototype.connectToAll = function() {
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var all = this.publicKeyRing.getAllCopayerIds();
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this.network.connectToCopayers(all);
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if (this.seededCopayerId) {
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this.sendWalletReady(this.seededCopayerId);
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this.seededCopayerId = null;
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}
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};
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Wallet.prototype._handleIndexes = function(senderId, data, isInbound) {
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this.log('RECV INDEXES:', data);
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var inIndexes = HDParams.fromList(data.indexes);
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var hasChanged = this.publicKeyRing.mergeIndexes(inIndexes);
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if (hasChanged) {
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this.emit('publicKeyRingUpdated');
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this.store();
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}
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};
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Wallet.prototype._handlePublicKeyRing = function(senderId, data, isInbound) {
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this.log('RECV PUBLICKEYRING:', data);
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var inPKR = PublicKeyRing.fromObj(data.publicKeyRing);
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var wasIncomplete = !this.publicKeyRing.isComplete();
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var hasChanged;
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try {
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hasChanged = this.publicKeyRing.merge(inPKR, true);
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} catch (e) {
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this.log('## WALLET ERROR', e); //TODO
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this.emit('connectionError', e.message);
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return;
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}
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if (hasChanged) {
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if (wasIncomplete) {
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this.sendPublicKeyRing();
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}
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if (this.publicKeyRing.isComplete()) {
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this._lockIncomming();
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}
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this.emit('publicKeyRingUpdated');
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this.store();
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}
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};
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Wallet.prototype._processProposalEvents = function(senderId, m) {
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var ev;
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if (m) {
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if (m.new) {
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ev = {
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type: 'new',
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cid: senderId
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}
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} else if (m.newCopayer) {
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ev = {
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type: 'signed',
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cid: m.newCopayer
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};
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}
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} else {
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ev = {
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type: 'corrupt',
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cId: senderId,
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};
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}
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if (ev)
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this.emit('txProposalEvent', ev);
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};
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/* OTDO
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events.push({
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type: 'signed',
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cId: k,
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txId: ntxid
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});
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*/
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Wallet.prototype._getKeyMap = function(txp) {
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preconditions.checkArgument(txp);
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var keyMap = this.publicKeyRing.copayersForPubkeys(txp._inputSignatures[0], txp.inputChainPaths);
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var inSig = JSON.stringify(txp._inputSignatures[0].sort());
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if (JSON.stringify(Object.keys(keyMap).sort()) !== inSig) {
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throw new Error('inputSignatures dont match know copayers pubkeys');
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}
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var keyMapStr = JSON.stringify(keyMap);
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// All inputs must be signed with the same copayers
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for (var i in txp._inputSignatures) {
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if (!i) continue;
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var inSigX = JSON.stringify(txp._inputSignatures[i].sort());
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if (inSigX !== inSig)
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throw new Error('found inputs with different signatures:');
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}
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return keyMap;
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};
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Wallet.prototype._checkSentTx = function(ntxid, cb) {
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var txp = this.txProposals.get(ntxid);
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var tx = txp.builder.build();
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this.blockchain.checkSentTx(tx, function(err, txid) {
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var ret = false;
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if (txid) {
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txp.setSent(txid);
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ret = txid;
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}
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return cb(ret);
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});
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};
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Wallet.prototype._handleTxProposal = function(senderId, data) {
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var self = this;
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this.log('RECV TXPROPOSAL: ', data);
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var m;
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try {
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m = this.txProposals.merge(data.txProposal, Wallet.builderOpts);
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var keyMap = this._getKeyMap(m.txp);
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ret.newCopayer = m.txp.setCopayers(senderId, keyMap);
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} catch (e) {
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this.log('Corrupt TX proposal received from:', senderId, e);
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}
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if (m) {
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if (m.hasChanged) {
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this.sendSeen(m.ntxid);
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var tx = m.txp.builder.build();
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if (tx.isComplete()) {
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this._checkSentTx(m.ntxid, function(ret) {
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if (ret) {
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self.emit('txProposalsUpdated');
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self.store();
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}
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});
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} else {
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this.sendTxProposal(m.ntxid);
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}
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}
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this.emit('txProposalsUpdated');
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this.store();
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}
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this._processProposalEvents(senderId, m);
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};
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Wallet.prototype._handleReject = function(senderId, data, isInbound) {
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preconditions.checkState(data.ntxid);
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this.log('RECV REJECT:', data);
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var txp = this.txProposals.get(data.ntxid);
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if (!txp)
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throw new Error('Received Reject for an unknown TX from:' + senderId);
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if (txp.signedBy[senderId])
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throw new Error('Received Reject for an already signed TX from:' + senderId);
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txp.setRejected(senderId);
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this.store();
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this.emit('txProposalsUpdated');
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this.emit('txProposalEvent', {
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type: 'rejected',
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cId: senderId,
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txId: data.ntxid,
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});
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};
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Wallet.prototype._handleSeen = function(senderId, data, isInbound) {
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preconditions.checkState(data.ntxid);
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this.log('RECV SEEN:', data);
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var txp = this.txProposals.get(data.ntxid);
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txp.setSeen(senderId);
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this.store();
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this.emit('txProposalsUpdated');
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this.emit('txProposalEvent', {
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type: 'seen',
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cId: senderId,
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txId: data.ntxid,
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});
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};
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Wallet.prototype._handleAddressBook = function(senderId, data, isInbound) {
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preconditions.checkState(data.addressBook);
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this.log('RECV ADDRESSBOOK:', data);
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var rcv = data.addressBook;
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var hasChange;
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for (var key in rcv) {
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if (!this.addressBook[key]) {
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var isVerified = this.verifyAddressbookEntry(rcv[key], senderId, key);
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if (isVerified) {
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this.addressBook[key] = rcv[key];
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hasChange = true;
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}
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}
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}
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if (hasChange) {
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this.emit('addressBookUpdated');
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this.store();
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}
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};
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Wallet.prototype._handleData = function(senderId, data, isInbound) {
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// TODO check message signature
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if (data.type !== 'walletId' && this.id !== data.walletId) {
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this.emit('badMessage', senderId);
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this.log('badMessage FROM:', senderId); //TODO
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return;
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}
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switch (data.type) {
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// This handler is repeaded on WalletFactory (#join). TODO
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case 'walletId':
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this.sendWalletReady(senderId);
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break;
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case 'walletReady':
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this.sendPublicKeyRing(senderId);
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this.sendAddressBook(senderId);
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this.sendAllTxProposals(senderId); // send old txps
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break;
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case 'publicKeyRing':
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this._handlePublicKeyRing(senderId, data, isInbound);
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break;
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case 'reject':
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this._handleReject(senderId, data, isInbound);
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break;
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case 'seen':
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this._handleSeen(senderId, data, isInbound);
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break;
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case 'txProposal':
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this._handleTxProposal(senderId, data, isInbound);
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break;
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case 'indexes':
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this._handleIndexes(senderId, data, isInbound);
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break;
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case 'addressbook':
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this._handleAddressBook(senderId, data, isInbound);
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break;
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}
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};
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Wallet.prototype._handleConnect = function(newCopayerId) {
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if (newCopayerId) {
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this.log('#### Setting new COPAYER:', newCopayerId);
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this.sendWalletId(newCopayerId);
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}
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var peerID = this.network.peerFromCopayer(newCopayerId)
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this.emit('connect', peerID);
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};
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Wallet.prototype._handleDisconnect = function(peerID) {
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this.currentDelay = null;
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this.emit('disconnect', peerID);
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};
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Wallet.prototype.getNetworkName = function() {
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return this.publicKeyRing.network.name;
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};
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Wallet.prototype._optsToObj = function() {
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var obj = {
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id: this.id,
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spendUnconfirmed: this.spendUnconfirmed,
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requiredCopayers: this.requiredCopayers,
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totalCopayers: this.totalCopayers,
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name: this.name,
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version: this.version,
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};
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return obj;
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};
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Wallet.prototype.getCopayerId = function(index) {
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return this.publicKeyRing.getCopayerId(index || 0);
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};
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Wallet.prototype.getMyCopayerId = function() {
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return this.getCopayerId(0); //copayer id is hex of a public key
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};
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Wallet.prototype.getMyCopayerIdPriv = function() {
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return this.privateKey.getIdPriv(); //copayer idpriv is hex of a private key
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};
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Wallet.prototype.getSecret = function() {
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var pubkeybuf = new Buffer(this.getMyCopayerId(), 'hex');
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var str = Base58Check.encode(pubkeybuf);
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return str;
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};
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Wallet.decodeSecret = function(secretB) {
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var secret = Base58Check.decode(secretB);
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var pubKeyBuf = secret.slice(0, 33);
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return {
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pubKey: pubKeyBuf.toString('hex')
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}
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};
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Wallet.prototype._lockIncomming = function() {
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this.network.lockIncommingConnections(this.publicKeyRing.getAllCopayerIds());
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};
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Wallet.prototype.netStart = function(callback) {
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var self = this;
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var net = this.network;
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net.removeAllListeners();
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net.on('connect', self._handleConnect.bind(self));
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net.on('disconnect', self._handleDisconnect.bind(self));
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net.on('data', self._handleData.bind(self));
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net.on('close', function() {
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self.emit('close');
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});
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net.on('serverError', function(msg) {
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self.emit('serverError', msg);
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});
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var myId = self.getMyCopayerId();
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var myIdPriv = self.getMyCopayerIdPriv();
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var startOpts = {
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copayerId: myId,
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privkey: myIdPriv,
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maxPeers: self.totalCopayers
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};
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if (this.publicKeyRing.isComplete()) {
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this._lockIncomming();
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}
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net.start(startOpts, function() {
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self.emit('ready', net.getPeer());
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setTimeout(function() {
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self.emit('publicKeyRingUpdated', true);
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self.scheduleConnect();
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self.emit('txProposalsUpdated');
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}, 10);
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});
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};
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Wallet.prototype.scheduleConnect = function() {
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var self = this;
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if (self.network.isOnline()) {
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self.connectToAll();
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self.currentDelay = self.currentDelay * 2 || self.reconnectDelay;
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setTimeout(self.scheduleConnect.bind(self), self.currentDelay);
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}
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}
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Wallet.prototype.getOnlinePeerIDs = function() {
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return this.network.getOnlinePeerIDs();
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};
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Wallet.prototype.getRegisteredCopayerIds = function() {
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var l = this.publicKeyRing.registeredCopayers();
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var copayers = [];
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for (var i = 0; i < l; i++) {
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var cid = this.getCopayerId(i);
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copayers.push(cid);
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}
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return copayers;
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};
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Wallet.prototype.getRegisteredPeerIds = function() {
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var l = this.publicKeyRing.registeredCopayers();
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if (this.registeredPeerIds.length !== l) {
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this.registeredPeerIds = [];
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var copayers = this.getRegisteredCopayerIds();
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for (var i = 0; i < l; i++) {
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var cid = copayers[i];
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var pid = this.network.peerFromCopayer(cid);
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this.registeredPeerIds.push({
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peerId: pid,
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copayerId: cid,
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nick: this.publicKeyRing.nicknameForCopayer(cid),
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index: i,
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});
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}
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}
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return this.registeredPeerIds;
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};
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Wallet.prototype.store = function() {
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var wallet = this.toObj();
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this.storage.setFromObj(this.id, wallet);
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this.log('Wallet stored');
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};
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Wallet.prototype.toObj = function() {
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var optsObj = this._optsToObj();
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var networkNonce = this.network.getHexNonce();
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var networkNonces = this.network.getHexNonces();
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var walletObj = {
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opts: optsObj,
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networkNonce: networkNonce, //yours
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networkNonces: networkNonces, //copayers
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publicKeyRing: this.publicKeyRing.toObj(),
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txProposals: this.txProposals.toObj(),
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privateKey: this.privateKey ? this.privateKey.toObj() : undefined,
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addressBook: this.addressBook,
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};
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return walletObj;
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};
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// fromObj => from a trusted source
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Wallet.fromObj = function(o, storage, network, blockchain) {
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var opts = JSON.parse(JSON.stringify(o.opts));
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opts.addressBook = o.addressBook;
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opts.publicKeyRing = PublicKeyRing.fromObj(o.publicKeyRing);
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opts.txProposals = TxProposals.fromObj(o.txProposals, Wallet.builderOpts);
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opts.privateKey = PrivateKey.fromObj(o.privateKey);
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opts.storage = storage;
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opts.network = network;
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opts.blockchain = blockchain;
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var w = new Wallet(opts);
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return w;
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};
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Wallet.prototype.toEncryptedObj = function() {
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var walletObj = this.toObj();
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return this.storage.export(walletObj);
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};
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Wallet.prototype.send = function(recipients, obj) {
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this.network.send(recipients, obj);
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};
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Wallet.prototype.sendAllTxProposals = function(recipients) {
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var ntxids = this.txProposals.getNtxids();
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for (var i in ntxids) {
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var ntxid = ntxids[i];
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this.sendTxProposal(ntxid, recipients);
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}
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};
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Wallet.prototype.sendTxProposal = function(ntxid, recipients) {
|
|
preconditions.checkArgument(ntxid);
|
|
|
|
this.log('### SENDING txProposal ' + ntxid + ' TO:', recipients || 'All', this.txProposals);
|
|
this.send(recipients, {
|
|
type: 'txProposal',
|
|
txProposal: this.txProposals.get(ntxid).toObjTrim(),
|
|
walletId: this.id,
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.sendSeen = function(ntxid) {
|
|
preconditions.checkArgument(ntxid);
|
|
this.log('### SENDING seen: ' + ntxid + ' TO: All');
|
|
this.send(null, {
|
|
type: 'seen',
|
|
ntxid: ntxid,
|
|
walletId: this.id,
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.sendReject = function(ntxid) {
|
|
preconditions.checkArgument(ntxid);
|
|
this.log('### SENDING reject: ' + ntxid + ' TO: All');
|
|
this.send(null, {
|
|
type: 'reject',
|
|
ntxid: ntxid,
|
|
walletId: this.id,
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.sendWalletReady = function(recipients) {
|
|
this.log('### SENDING WalletReady TO:', recipients);
|
|
|
|
this.send(recipients, {
|
|
type: 'walletReady',
|
|
walletId: this.id,
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.sendWalletId = function(recipients) {
|
|
this.log('### SENDING walletId TO:', recipients || 'All', this.id);
|
|
|
|
this.send(recipients, {
|
|
type: 'walletId',
|
|
walletId: this.id,
|
|
opts: this._optsToObj(),
|
|
networkName: this.getNetworkName(),
|
|
});
|
|
};
|
|
|
|
|
|
Wallet.prototype.sendPublicKeyRing = function(recipients) {
|
|
this.log('### SENDING publicKeyRing TO:', recipients || 'All', this.publicKeyRing.toObj());
|
|
var publicKeyRing = this.publicKeyRing.toObj();
|
|
delete publicKeyRing.publicKeysCache; // exclude publicKeysCache from network obj
|
|
|
|
this.send(recipients, {
|
|
type: 'publicKeyRing',
|
|
publicKeyRing: publicKeyRing,
|
|
walletId: this.id,
|
|
});
|
|
};
|
|
Wallet.prototype.sendIndexes = function(recipients) {
|
|
var indexes = HDParams.serialize(this.publicKeyRing.indexes);
|
|
this.log('### INDEXES TO:', recipients || 'All', indexes);
|
|
|
|
this.send(recipients, {
|
|
type: 'indexes',
|
|
indexes: indexes,
|
|
walletId: this.id,
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.sendAddressBook = function(recipients) {
|
|
this.log('### SENDING addressBook TO:', recipients || 'All', this.addressBook);
|
|
this.send(recipients, {
|
|
type: 'addressbook',
|
|
addressBook: this.addressBook,
|
|
walletId: this.id,
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.getName = function() {
|
|
return this.name || this.id;
|
|
};
|
|
|
|
Wallet.prototype._doGenerateAddress = function(isChange) {
|
|
return this.publicKeyRing.generateAddress(isChange, this.publicKey);
|
|
};
|
|
|
|
|
|
Wallet.prototype.generateAddress = function(isChange, cb) {
|
|
var addr = this._doGenerateAddress(isChange);
|
|
this.sendIndexes();
|
|
this.store();
|
|
if (cb) return cb(addr);
|
|
return addr;
|
|
};
|
|
|
|
|
|
Wallet.prototype.getTxProposals = function() {
|
|
var ret = [];
|
|
var copayers = this.getRegisteredCopayerIds();
|
|
for (var ntxid in this.txProposals.txps) {
|
|
var txp = this.txProposals.getTxProposal(ntxid, copayers);
|
|
txp.signedByUs = txp.signedBy[this.getMyCopayerId()] ? true : false;
|
|
txp.rejectedByUs = txp.rejectedBy[this.getMyCopayerId()] ? true : false;
|
|
if (this.totalCopayers - txp.rejectCount < this.requiredCopayers) {
|
|
txp.finallyRejected = true;
|
|
}
|
|
|
|
if (txp.readonly && !txp.finallyRejected && !txp.sentTs) {} else {
|
|
ret.push(txp);
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
|
|
Wallet.prototype.reject = function(ntxid) {
|
|
var txp = this.txProposals.reject(ntxid, this.getMyCopayerId());
|
|
this.sendReject(ntxid);
|
|
this.store();
|
|
this.emit('txProposalsUpdated');
|
|
};
|
|
|
|
Wallet.prototype.sign = function(ntxid, cb) {
|
|
preconditions.checkState(typeof this.getMyCopayerId() !== 'undefined');
|
|
var self = this;
|
|
setTimeout(function() {
|
|
var myId = self.getMyCopayerId();
|
|
var txp = self.txProposals.get(ntxid);
|
|
// if (!txp || txp.rejectedBy[myId] || txp.signedBy[myId]) {
|
|
// if (cb) cb(false);
|
|
// }
|
|
//
|
|
var keys = self.privateKey.getForPaths(txp.inputChainPaths);
|
|
|
|
var b = txp.builder;
|
|
var before = txp.countSignatures();
|
|
b.sign(keys);
|
|
|
|
var ret = false;
|
|
if (txp.countSignatures() > before) {
|
|
txp.signedBy[myId] = Date.now();
|
|
self.sendTxProposal(ntxid);
|
|
self.store();
|
|
self.emit('txProposalsUpdated');
|
|
ret = true;
|
|
}
|
|
if (cb) return cb(ret);
|
|
}, 10);
|
|
};
|
|
|
|
|
|
Wallet.prototype.sendTx = function(ntxid, cb) {
|
|
var txp = this.txProposals.get(ntxid);
|
|
var tx = txp.builder.build();
|
|
if (!tx.isComplete())
|
|
throw new Error('Tx is not complete. Can not broadcast');
|
|
this.log('Broadcasting Transaction');
|
|
var scriptSig = tx.ins[0].getScript();
|
|
var size = scriptSig.serialize().length;
|
|
|
|
var txHex = tx.serialize().toString('hex');
|
|
this.log('Raw transaction: ', txHex);
|
|
|
|
var self = this;
|
|
this.blockchain.sendRawTransaction(txHex, function(txid) {
|
|
self.log('BITCOIND txid:', txid);
|
|
if (txid) {
|
|
self.txProposals.get(ntxid).setSent(txid);
|
|
self.sendTxProposal(ntxid);
|
|
self.store();
|
|
return cb(txid);
|
|
} else {
|
|
self.log('Sent failed. Checking is the TX was sent already');
|
|
self._checkSentTx(ntxid, function(txid) {
|
|
console.log('[Wallet.js.730:txid:]', txid); //TODO
|
|
if (txid)
|
|
self.store();
|
|
|
|
return cb(txid);
|
|
});
|
|
}
|
|
});
|
|
};
|
|
|
|
|
|
// TODO: remove this method and use getAddressesInfo everywhere
|
|
Wallet.prototype.getAddresses = function(opts) {
|
|
return this.publicKeyRing.getAddresses(opts);
|
|
};
|
|
|
|
Wallet.prototype.getAddressesStr = function(opts) {
|
|
return this.getAddresses(opts).map(function(a) {
|
|
return a.toString();
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.getAddressesInfo = function(opts) {
|
|
return this.publicKeyRing.getAddressesInfo(opts, this.publicKey);
|
|
};
|
|
|
|
Wallet.prototype.addressIsOwn = function(addrStr, opts) {
|
|
var addrList = this.getAddressesStr(opts);
|
|
var l = addrList.length;
|
|
var ret = false;
|
|
|
|
for (var i = 0; i < l; i++) {
|
|
if (addrList[i] === addrStr) {
|
|
ret = true;
|
|
break;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
//retunrs values in SATOSHIs
|
|
Wallet.prototype.getBalance = function(cb) {
|
|
var balance = 0;
|
|
var safeBalance = 0;
|
|
var balanceByAddr = {};
|
|
var COIN = coinUtil.COIN;
|
|
|
|
this.getUnspent(function(err, safeUnspent, unspent) {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
|
|
for (var i = 0; i < unspent.length; i++) {
|
|
var u = unspent[i];
|
|
var amt = u.amount * COIN;
|
|
balance += amt;
|
|
balanceByAddr[u.address] = (balanceByAddr[u.address] || 0) + amt;
|
|
}
|
|
|
|
// we multiply and divide by BIT to avoid rounding errors when adding
|
|
for (var a in balanceByAddr) {
|
|
balanceByAddr[a] = parseInt(balanceByAddr[a].toFixed(0));
|
|
}
|
|
|
|
balance = parseInt(balance.toFixed(0));
|
|
|
|
for (var i = 0; i < safeUnspent.length; i++) {
|
|
var u = safeUnspent[i];
|
|
var amt = u.amount * COIN;
|
|
safeBalance += amt;
|
|
}
|
|
|
|
safeBalance = parseInt(safeBalance.toFixed(0));
|
|
return cb(null, balance, balanceByAddr, safeBalance);
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.getUnspent = function(cb) {
|
|
var self = this;
|
|
this.blockchain.getUnspent(this.getAddressesStr(), function(err, unspentList) {
|
|
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
|
|
var safeUnspendList = [];
|
|
var maxRejectCount = self.totalCopayers - self.requiredCopayers;
|
|
var uu = self.txProposals.getUsedUnspent(maxRejectCount);
|
|
|
|
for (var i in unspentList) {
|
|
var u = unspentList[i];
|
|
var name = u.txid + ',' + u.vout;
|
|
if (!uu[name] && (self.spendUnconfirmed || u.confirmations >= 1))
|
|
safeUnspendList.push(u);
|
|
}
|
|
|
|
return cb(null, safeUnspendList, unspentList);
|
|
});
|
|
};
|
|
|
|
|
|
Wallet.prototype.createTx = function(toAddress, amountSatStr, comment, opts, cb) {
|
|
var self = this;
|
|
if (typeof opts === 'function') {
|
|
cb = opts;
|
|
opts = {};
|
|
}
|
|
opts = opts || {};
|
|
|
|
if (typeof opts.spendUnconfirmed === 'undefined') {
|
|
opts.spendUnconfirmed = this.spendUnconfirmed;
|
|
}
|
|
|
|
this.getUnspent(function(err, safeUnspent) {
|
|
var ntxid = self.createTxSync(toAddress, amountSatStr, comment, safeUnspent, opts);
|
|
if (ntxid) {
|
|
self.sendIndexes();
|
|
self.sendTxProposal(ntxid);
|
|
self.store();
|
|
self.emit('txProposalsUpdated');
|
|
}
|
|
return cb(ntxid);
|
|
});
|
|
};
|
|
|
|
Wallet.prototype.createTxSync = function(toAddress, amountSatStr, comment, utxos, opts) {
|
|
var pkr = this.publicKeyRing;
|
|
var priv = this.privateKey;
|
|
opts = opts || {};
|
|
|
|
preconditions.checkArgument(new Address(toAddress).network().name === this.getNetworkName(), 'networkname mismatch');
|
|
preconditions.checkState(pkr.isComplete(), 'pubkey ring incomplete');
|
|
preconditions.checkState(priv, 'no private key');
|
|
if (comment) preconditions.checkArgument(comment.length <= 100);
|
|
|
|
if (!opts.remainderOut) {
|
|
opts.remainderOut = {
|
|
address: this._doGenerateAddress(true).toString()
|
|
};
|
|
}
|
|
|
|
for (var k in Wallet.builderOpts) {
|
|
opts[k] = Wallet.builderOpts[k];
|
|
}
|
|
|
|
var b = new Builder(opts)
|
|
.setUnspent(utxos)
|
|
.setOutputs([{
|
|
address: toAddress,
|
|
amountSatStr: amountSatStr,
|
|
}]);
|
|
|
|
var selectedUtxos = b.getSelectedUnspent();
|
|
var inputChainPaths = selectedUtxos.map(function(utxo) {
|
|
return pkr.pathForAddress(utxo.address);
|
|
});
|
|
|
|
b = b.setHashToScriptMap(pkr.getRedeemScriptMap(inputChainPaths));
|
|
|
|
var keys = priv.getForPaths(inputChainPaths);
|
|
var signed = b.sign(keys);
|
|
var myId = this.getMyCopayerId();
|
|
var now = Date.now();
|
|
|
|
|
|
var tx = b.build();
|
|
if (!tx.countInputSignatures(0))
|
|
throw new Error('Could not sign generated tx');
|
|
|
|
var me = {};
|
|
me[myId] = now;
|
|
|
|
var meSeen = {};
|
|
if (priv) meSeen[myId] = now;
|
|
|
|
var ntxid = this.txProposals.add(new TxProposal({
|
|
inputChainPaths: inputChainPaths,
|
|
signedBy: me,
|
|
seenBy: meSeen,
|
|
creator: myId,
|
|
createdTs: now,
|
|
builder: b,
|
|
comment: comment
|
|
}));
|
|
return ntxid;
|
|
};
|
|
|
|
Wallet.prototype.updateIndexes = function(callback) {
|
|
var self = this;
|
|
self.log('Updating indexes...');
|
|
|
|
var tasks = this.publicKeyRing.indexes.map(function(index) {
|
|
return function(callback) {
|
|
self.updateIndex(index, callback);
|
|
};
|
|
});
|
|
|
|
async.parallel(tasks, function(err) {
|
|
if (err) callback(err);
|
|
self.log('Indexes updated');
|
|
self.emit('publicKeyRingUpdated');
|
|
self.store();
|
|
callback();
|
|
});
|
|
}
|
|
|
|
Wallet.prototype.updateIndex = function(index, callback) {
|
|
var self = this;
|
|
var SCANN_WINDOW = 20;
|
|
self.indexDiscovery(index.changeIndex, true, index.cosigner, SCANN_WINDOW, function(err, changeIndex) {
|
|
if (err) return callback(err);
|
|
if (changeIndex != -1)
|
|
index.changeIndex = changeIndex + 1;
|
|
|
|
self.indexDiscovery(index.receiveIndex, false, index.cosigner, SCANN_WINDOW, function(err, receiveIndex) {
|
|
if (err) return callback(err);
|
|
if (receiveIndex != -1)
|
|
index.receiveIndex = receiveIndex + 1;
|
|
callback();
|
|
});
|
|
});
|
|
}
|
|
|
|
Wallet.prototype.deriveAddresses = function(index, amout, isChange, cosigner) {
|
|
var ret = new Array(amout);
|
|
for (var i = 0; i < amout; i++) {
|
|
ret[i] = this.publicKeyRing.getAddress(index + i, isChange, cosigner).toString();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// This function scans the publicKeyRing branch starting at index @start and reports the index with last activity,
|
|
// using a scan window of @gap. The argument @change defines the branch to scan: internal or external.
|
|
// Returns -1 if no activity is found in range.
|
|
Wallet.prototype.indexDiscovery = function(start, change, cosigner, gap, cb) {
|
|
var scanIndex = start;
|
|
var lastActive = -1;
|
|
var hasActivity = false;
|
|
|
|
var self = this;
|
|
async.doWhilst(
|
|
function _do(next) {
|
|
// Optimize window to minimize the derivations.
|
|
var scanWindow = (lastActive == -1) ? gap : gap - (scanIndex - lastActive) + 1;
|
|
var addresses = self.deriveAddresses(scanIndex, scanWindow, change, cosigner);
|
|
self.blockchain.checkActivity(addresses, function(err, actives) {
|
|
if (err) throw err;
|
|
|
|
// Check for new activities in the newlly scanned addresses
|
|
var recentActive = actives.reduce(function(r, e, i) {
|
|
return e ? scanIndex + i : r;
|
|
}, lastActive);
|
|
hasActivity = lastActive != recentActive;
|
|
lastActive = recentActive;
|
|
scanIndex += scanWindow;
|
|
next();
|
|
});
|
|
},
|
|
function _while() {
|
|
return hasActivity;
|
|
},
|
|
function _finnaly(err) {
|
|
if (err) return cb(err);
|
|
cb(null, lastActive);
|
|
}
|
|
);
|
|
}
|
|
|
|
|
|
Wallet.prototype.disconnect = function() {
|
|
this.log('## DISCONNECTING');
|
|
this.network.disconnect();
|
|
};
|
|
|
|
Wallet.prototype.getNetwork = function() {
|
|
return this.network;
|
|
};
|
|
|
|
Wallet.prototype._checkAddressBook = function(key) {
|
|
if (this.addressBook[key] && this.addressBook[key].copayerId != -1) {
|
|
throw new Error('This address already exists in your Address Book: ' + address);
|
|
}
|
|
};
|
|
|
|
Wallet.prototype.setAddressBook = function(key, label) {
|
|
this._checkAddressBook(key);
|
|
var copayerId = this.getMyCopayerId();
|
|
var ts = Date.now();
|
|
var payload = {
|
|
address: key,
|
|
label: label,
|
|
copayerId: copayerId,
|
|
createdTs: ts
|
|
};
|
|
var newEntry = {
|
|
hidden: false,
|
|
createdTs: ts,
|
|
copayerId: copayerId,
|
|
label: label,
|
|
signature: this.signJson(payload)
|
|
};
|
|
this.addressBook[key] = newEntry;
|
|
this.sendAddressBook();
|
|
this.store();
|
|
};
|
|
|
|
Wallet.prototype.verifyAddressbookEntry = function(rcvEntry, senderId, key) {
|
|
if (!key) throw new Error('Keys are required');
|
|
var signature = rcvEntry.signature;
|
|
var payload = {
|
|
address: key,
|
|
label: rcvEntry.label,
|
|
copayerId: rcvEntry.copayerId,
|
|
createdTs: rcvEntry.createdTs
|
|
};
|
|
return this.verifySignedJson(senderId, payload, signature);
|
|
}
|
|
|
|
Wallet.prototype.toggleAddressBookEntry = function(key) {
|
|
if (!key) throw new Error('Key is required');
|
|
this.addressBook[key].hidden = !this.addressBook[key].hidden;
|
|
this.store();
|
|
};
|
|
|
|
Wallet.prototype.isShared = function() {
|
|
return this.totalCopayers > 1;
|
|
}
|
|
|
|
Wallet.prototype.isReady = function() {
|
|
var ret = this.publicKeyRing.isComplete() && this.publicKeyRing.isFullyBackup();
|
|
return ret;
|
|
};
|
|
|
|
Wallet.prototype.setBackupReady = function() {
|
|
this.publicKeyRing.setBackupReady();
|
|
this.sendPublicKeyRing();
|
|
this.store();
|
|
};
|
|
|
|
Wallet.prototype.signJson = function(payload) {
|
|
var key = new bitcore.Key();
|
|
key.private = new Buffer(this.getMyCopayerIdPriv(), 'hex');
|
|
key.regenerateSync();
|
|
var sign = bitcore.Message.sign(JSON.stringify(payload), key);
|
|
return sign.toString('hex');
|
|
}
|
|
|
|
Wallet.prototype.verifySignedJson = function(senderId, payload, signature) {
|
|
var pubkey = new Buffer(senderId, 'hex');
|
|
var sign = new Buffer(signature, 'hex');
|
|
var v = bitcore.Message.verifyWithPubKey(pubkey, JSON.stringify(payload), sign);
|
|
return v;
|
|
}
|
|
|
|
module.exports = require('soop')(Wallet);
|