mirror of https://github.com/BTCPrivate/copay.git
259 lines
7.2 KiB
JavaScript
259 lines
7.2 KiB
JavaScript
'use strict';
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var TxProposals = require('./TxProposals');
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var PublicKeyRing = require('./PublicKeyRing');
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var PrivateKey = require('./PrivateKey');
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var Wallet = require('./Wallet');
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var WebRTC = module.exports.WebRTC = require('../network/WebRTC');
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var Insight = module.exports.Insight = require('../blockchain/Insight');
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var StorageLocalEncrypted = module.exports.StorageLocalEncrypted = require('../storage/LocalEncrypted');
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/*
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* WalletFactory
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*
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*/
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function WalletFactory(config, version) {
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var self = this;
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config = config || {};
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this.Storage = config.Storage || StorageLocalEncrypted;
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this.Network = config.Network || WebRTC;
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this.Blockchain = config.Blockchain || Insight;
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this.storage = new this.Storage(config.storage);
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this.network = new this.Network(config.network);
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this.blockchain = new this.Blockchain(config.blockchain);
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this.networkName = config.networkName;
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this.verbose = config.verbose;
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this.walletDefaults = config.wallet;
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this.version = version;
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}
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WalletFactory.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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};
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WalletFactory.prototype._checkRead = function(walletId) {
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var s = this.storage;
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var ret =
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s.get(walletId, 'publicKeyRing') &&
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s.get(walletId, 'txProposals') &&
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s.get(walletId, 'opts') &&
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s.get(walletId, 'privateKey');
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return !!ret;
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};
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WalletFactory.prototype.fromObj = function(obj) {
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// not stored options
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obj.opts.reconnectDelay = this.walletDefaults.reconnectDelay;
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var w = Wallet.fromObj(obj, this.storage, this.network, this.blockchain);
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if (!w) return false;
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w.verbose = this.verbose;
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this._checkVersion(w.version);
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this._checkNetwork(w.getNetworkName());
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return w;
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};
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WalletFactory.prototype.fromEncryptedObj = function(base64, password) {
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this.storage._setPassphrase(password);
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var walletObj = this.storage.import(base64);
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if (!walletObj) return false;
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var w = this.fromObj(walletObj);
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return w;
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};
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WalletFactory.prototype.import = function(base64, password) {
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var self = this;
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var w = self.fromEncryptedObj(base64, password);
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if (!w) throw new Error('Wrong password');
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return w;
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}
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WalletFactory.prototype.read = function(walletId) {
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if (!this._checkRead(walletId))
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return false;
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var obj = {};
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var s = this.storage;
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obj.id = walletId;
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obj.opts = s.get(walletId, 'opts');
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obj.publicKeyRing = s.get(walletId, 'publicKeyRing');
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obj.txProposals = s.get(walletId, 'txProposals');
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obj.privateKey = s.get(walletId, 'privateKey');
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obj.addressBook = s.get(walletId, 'addressBook');
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obj.backupOffered = s.get(walletId, 'backupOffered');
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var w = this.fromObj(obj);
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return w;
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};
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WalletFactory.prototype.create = function(opts) {
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opts = opts || {};
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this.log('### CREATING NEW WALLET.' + (opts.id ? ' USING ID: ' + opts.id : ' NEW ID') + (opts.privateKey ? ' USING PrivateKey: ' + opts.privateKey.getId() : ' NEW PrivateKey'));
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opts.privateKey = opts.privateKey || new PrivateKey({
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networkName: this.networkName
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});
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var requiredCopayers = opts.requiredCopayers || this.walletDefaults.requiredCopayers;
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var totalCopayers = opts.totalCopayers || this.walletDefaults.totalCopayers;
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opts.lockTimeoutMin = this.walletDefaults.idleDurationMin;
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opts.publicKeyRing = opts.publicKeyRing || new PublicKeyRing({
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networkName: this.networkName,
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requiredCopayers: requiredCopayers,
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totalCopayers: totalCopayers,
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});
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opts.publicKeyRing.addCopayer(
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opts.privateKey.deriveBIP45Branch().extendedPublicKeyString(),
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opts.nickname
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);
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this.log('\t### PublicKeyRing Initialized');
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opts.txProposals = opts.txProposals || new TxProposals({
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networkName: this.networkName,
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});
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this.log('\t### TxProposals Initialized');
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this.storage._setPassphrase(opts.passphrase);
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opts.storage = this.storage;
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opts.network = this.network;
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opts.blockchain = this.blockchain;
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opts.verbose = this.verbose;
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opts.spendUnconfirmed = opts.spendUnconfirmed || this.walletDefaults.spendUnconfirmed;
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opts.reconnectDelay = opts.reconnectDelay || this.walletDefaults.reconnectDelay;
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opts.requiredCopayers = requiredCopayers;
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opts.totalCopayers = totalCopayers;
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opts.version = opts.version || this.version;
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var w = new Wallet(opts);
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w.store();
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this.storage.setLastOpened(w.id);
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return w;
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};
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WalletFactory.prototype._checkVersion = function(inVersion) {
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var thisV = this.version.split('.');
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var thisV0 = parseInt(thisV[0]);
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var inV = inVersion.split('.');
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var inV0 = parseInt(inV[0]);
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//We only check for major version differences
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if (thisV0 < inV0) {
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throw new Error('Major difference in software versions' +
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'. Received:' + inVersion +
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'. Current version:' + this.version +
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'. Aborting.');
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}
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};
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WalletFactory.prototype._checkNetwork = function(inNetworkName) {
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if (this.networkName !== inNetworkName) {
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throw new Error('This Wallet is configured for ' + inNetworkName + ' while currently Copay is configured for: ' + this.networkName + '. Check your settings.');
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}
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};
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WalletFactory.prototype.open = function(walletId, passphrase) {
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this.storage._setPassphrase(passphrase);
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var w = this.read(walletId);
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if (w)
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w.store();
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this.storage.setLastOpened(walletId);
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return w;
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};
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WalletFactory.prototype.getWallets = function() {
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var ret = this.storage.getWallets();
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ret.forEach(function(i) {
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i.show = i.name ? ((i.name + ' <' + i.id + '>')) : i.id;
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});
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return ret;
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};
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WalletFactory.prototype.delete = function(walletId, cb) {
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var s = this.storage;
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this.log('## DELETING WALLET ID:' + walletId); //TODO
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s.deleteWallet(walletId);
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s.setLastOpened(undefined);
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return cb();
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};
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WalletFactory.prototype.decodeSecret = function(secret) {
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try {
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return Wallet.decodeSecret(secret);
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} catch (e) {
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return false;
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}
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};
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WalletFactory.prototype.joinCreateSession = function(secret, nickname, passphrase, cb) {
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var self = this;
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var s = self.decodeSecret(secret);
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if (!s) return cb('badSecret');
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//Create our PrivateK
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var privateKey = new PrivateKey({
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networkName: this.networkName
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});
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this.log('\t### PrivateKey Initialized');
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var opts = {
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copayerId: privateKey.getId(),
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privkey: privateKey.getIdPriv(),
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key: privateKey.getIdKey()
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};
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self.network.cleanUp();
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// This is a hack to reconize if the connection was rejected or the peer wasn't there.
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var connectedOnce = false;
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self.network.on('connected', function(sender, data) {
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connectedOnce = true;
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});
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self.network.on('onlyYou', function(sender, data) {
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return cb(connectedOnce ? 'walletFull' : 'joinError');
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});
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self.network.on('serverError', function() {
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return cb('joinError');
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});
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self.network.start(opts, function() {
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self.network.connectTo(s.pubKey);
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self.network.on('data', function(sender, data) {
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if (data.type === 'walletId') {
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if (data.networkName !== self.networkName) {
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return cb('badNetwork');
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}
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data.opts.privateKey = privateKey;
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data.opts.nickname = nickname;
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data.opts.passphrase = passphrase;
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data.opts.id = data.walletId;
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var w = self.create(data.opts);
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w.seedCopayer(s.pubKey);
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return cb(null, w);
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}
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});
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});
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};
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module.exports = WalletFactory;
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