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api.js
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api.js
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'use strict';
var _ = require('lodash');
var $ = require('preconditions').singleton();
var util = require('util');
var async = require('async');
var events = require('events');
var Bitcore = require('bitcore-lib');
var Bitcore_ = {
btc: Bitcore,
bch: require('bitcore-lib-cash'),
};
var Mnemonic = require('bitcore-mnemonic');
var sjcl = require('sjcl');
var url = require('url');
var querystring = require('querystring');
var Stringify = require('json-stable-stringify');
var request = require('superagent');
var Common = require('./common');
var Constants = Common.Constants;
var Defaults = Common.Defaults;
var Utils = Common.Utils;
var PayPro = require('./paypro');
var log = require('./log');
var Credentials = require('./credentials');
var Verifier = require('./verifier');
var Package = require('../package.json');
var Errors = require('./errors');
var BASE_URL = 'http://localhost:3232/bws/api';
/**
* @desc ClientAPI constructor.
*
* @param {Object} opts
* @constructor
*/
function API(opts) {
opts = opts || {};
this.request = opts.request || request;
this.baseUrl = opts.baseUrl || BASE_URL;
this.payProHttp = null; // Only for testing
this.doNotVerifyPayPro = opts.doNotVerifyPayPro;
this.timeout = opts.timeout || 50000;
this.logLevel = opts.logLevel || 'silent';
this.supportStaffWalletId = opts.supportStaffWalletId;
log.setLevel(this.logLevel);
};
util.inherits(API, events.EventEmitter);
API.privateKeyEncryptionOpts = {
iter: 10000
};
API.prototype.initNotifications = function(cb) {
log.warn('DEPRECATED: use initialize() instead.');
this.initialize({}, cb);
};
API.prototype.initialize = function(opts, cb) {
$.checkState(this.credentials);
var self = this;
self.notificationIncludeOwn = !!opts.notificationIncludeOwn;
self._initNotifications(opts);
return cb();
};
API.prototype.dispose = function(cb) {
var self = this;
self._disposeNotifications();
self._logout(cb);
};
API.prototype._fetchLatestNotifications = function(interval, cb) {
var self = this;
cb = cb || function() {};
var opts = {
lastNotificationId: self.lastNotificationId,
includeOwn: self.notificationIncludeOwn,
};
if (!self.lastNotificationId) {
opts.timeSpan = interval + 1;
}
self.getNotifications(opts, function(err, notifications) {
if (err) {
log.warn('Error receiving notifications.');
log.debug(err);
return cb(err);
}
if (notifications.length > 0) {
self.lastNotificationId = _.last(notifications).id;
}
_.each(notifications, function(notification) {
self.emit('notification', notification);
});
return cb();
});
};
API.prototype._initNotifications = function(opts) {
var self = this;
opts = opts || {};
var interval = opts.notificationIntervalSeconds || 5;
self.notificationsIntervalId = setInterval(function() {
self._fetchLatestNotifications(interval, function(err) {
if (err) {
if (err instanceof Errors.NOT_FOUND || err instanceof Errors.NOT_AUTHORIZED) {
self._disposeNotifications();
}
}
});
}, interval * 1000);
};
API.prototype._disposeNotifications = function() {
var self = this;
if (self.notificationsIntervalId) {
clearInterval(self.notificationsIntervalId);
self.notificationsIntervalId = null;
}
};
/**
* Reset notification polling with new interval
* @param {Numeric} notificationIntervalSeconds - use 0 to pause notifications
*/
API.prototype.setNotificationsInterval = function(notificationIntervalSeconds) {
var self = this;
self._disposeNotifications();
if (notificationIntervalSeconds > 0) {
self._initNotifications({
notificationIntervalSeconds: notificationIntervalSeconds
});
}
};
/**
* Encrypt a message
* @private
* @static
* @memberof Client.API
* @param {String} message
* @param {String} encryptingKey
*/
API._encryptMessage = function(message, encryptingKey) {
if (!message) return null;
return Utils.encryptMessage(message, encryptingKey);
};
API.prototype._processTxNotes = function(notes) {
var self = this;
if (!notes) return;
var encryptingKey = self.credentials.sharedEncryptingKey;
_.each([].concat(notes), function(note) {
note.encryptedBody = note.body;
note.body = Utils.decryptMessageNoThrow(note.body, encryptingKey);
note.encryptedEditedByName = note.editedByName;
note.editedByName = Utils.decryptMessageNoThrow(note.editedByName, encryptingKey);
});
};
/**
* Decrypt text fields in transaction proposals
* @private
* @static
* @memberof Client.API
* @param {Array} txps
* @param {String} encryptingKey
*/
API.prototype._processTxps = function(txps) {
var self = this;
if (!txps) return;
var encryptingKey = self.credentials.sharedEncryptingKey;
_.each([].concat(txps), function(txp) {
txp.encryptedMessage = txp.message;
txp.message = Utils.decryptMessageNoThrow(txp.message, encryptingKey) || null;
txp.creatorName = Utils.decryptMessageNoThrow(txp.creatorName, encryptingKey);
_.each(txp.actions, function(action) {
// CopayerName encryption is optional (not available in older wallets)
action.copayerName = Utils.decryptMessageNoThrow(action.copayerName, encryptingKey);
action.comment = Utils.decryptMessageNoThrow(action.comment, encryptingKey);
// TODO get copayerName from Credentials -> copayerId to copayerName
// action.copayerName = null;
});
_.each(txp.outputs, function(output) {
output.encryptedMessage = output.message;
output.message = Utils.decryptMessageNoThrow(output.message, encryptingKey) || null;
});
txp.hasUnconfirmedInputs = _.some(txp.inputs, function(input) {
return input.confirmations == 0;
});
self._processTxNotes(txp.note);
});
};
/**
* Parse errors
* @private
* @static
* @memberof Client.API
* @param {Object} body
*/
API._parseError = function(body) {
if (!body) return;
if (_.isString(body)) {
try {
body = JSON.parse(body);
} catch (e) {
body = {
error: body
};
}
}
var ret;
if (body.code) {
if (Errors[body.code]) {
ret = new Errors[body.code];
if (body.message) ret.message = body.message;
} else {
ret = new Error(body.code + ': ' + body.message);
}
} else {
ret = new Error(body.error || JSON.stringify(body));
}
log.error(ret);
return ret;
};
/**
* Sign an HTTP request
* @private
* @static
* @memberof Client.API
* @param {String} method - The HTTP method
* @param {String} url - The URL for the request
* @param {Object} args - The arguments in case this is a POST/PUT request
* @param {String} privKey - Private key to sign the request
*/
API._signRequest = function(method, url, args, privKey) {
var message = [method.toLowerCase(), url, JSON.stringify(args)].join('|');
return Utils.signMessage(message, privKey);
};
/**
* Seed from random
*
* @param {Object} opts
* @param {String} opts.coin - default 'btc'
* @param {String} opts.network - default 'livenet'
*/
API.prototype.seedFromRandom = function(opts) {
$.checkArgument(arguments.length <= 1, 'DEPRECATED: only 1 argument accepted.');
$.checkArgument(_.isUndefined(opts) || _.isObject(opts), 'DEPRECATED: argument should be an options object.');
opts = opts || {};
this.credentials = Credentials.create(opts.coin || 'btc', opts.network || 'livenet');
};
var _deviceValidated;
/**
* Seed from random
*
* @param {Object} opts
* @param {String} opts.passphrase
* @param {Boolean} opts.skipDeviceValidation
*/
API.prototype.validateKeyDerivation = function(opts, cb) {
var self = this;
opts = opts || {};
var c = self.credentials;
function testMessageSigning(xpriv, xpub) {
var nonHardenedPath = 'm/0/0';
var message = 'Lorem ipsum dolor sit amet, ne amet urbanitas percipitur vim, libris disputando his ne, et facer suavitate qui. Ei quidam laoreet sea. Cu pro dico aliquip gubergren, in mundi postea usu. Ad labitur posidonium interesset duo, est et doctus molestie adipiscing.';
var priv = xpriv.deriveChild(nonHardenedPath).privateKey;
var signature = Utils.signMessage(message, priv);
var pub = xpub.deriveChild(nonHardenedPath).publicKey;
return Utils.verifyMessage(message, signature, pub);
};
function testHardcodedKeys() {
var words = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about";
var xpriv = Mnemonic(words).toHDPrivateKey();
if (xpriv.toString() != 'xprv9s21ZrQH143K3GJpoapnV8SFfukcVBSfeCficPSGfubmSFDxo1kuHnLisriDvSnRRuL2Qrg5ggqHKNVpxR86QEC8w35uxmGoggxtQTPvfUu') return false;
xpriv = xpriv.deriveChild("m/44'/0'/0'");
if (xpriv.toString() != 'xprv9xpXFhFpqdQK3TmytPBqXtGSwS3DLjojFhTGht8gwAAii8py5X6pxeBnQ6ehJiyJ6nDjWGJfZ95WxByFXVkDxHXrqu53WCRGypk2ttuqncb') return false;
var xpub = Bitcore.HDPublicKey.fromString('xpub6BosfCnifzxcFwrSzQiqu2DBVTshkCXacvNsWGYJVVhhawA7d4R5WSWGFNbi8Aw6ZRc1brxMyWMzG3DSSSSoekkudhUd9yLb6qx39T9nMdj');
return testMessageSigning(xpriv, xpub);
};
function testLiveKeys() {
var words;
try {
words = c.getMnemonic();
} catch (ex) {}
var xpriv;
if (words && (!c.mnemonicHasPassphrase || opts.passphrase)) {
var m = new Mnemonic(words);
xpriv = m.toHDPrivateKey(opts.passphrase, c.network);
}
if (!xpriv) {
xpriv = new Bitcore.HDPrivateKey(c.xPrivKey);
}
xpriv = xpriv.deriveChild(c.getBaseAddressDerivationPath());
var xpub = new Bitcore.HDPublicKey(c.xPubKey);
return testMessageSigning(xpriv, xpub);
};
var hardcodedOk = true;
if (!_deviceValidated && !opts.skipDeviceValidation) {
hardcodedOk = testHardcodedKeys();
_deviceValidated = true;
}
var liveOk = (c.canSign() && !c.isPrivKeyEncrypted()) ? testLiveKeys() : true;
self.keyDerivationOk = hardcodedOk && liveOk;
return cb(null, self.keyDerivationOk);
};
/**
* Seed from random with mnemonic
*
* @param {Object} opts
* @param {String} opts.coin - default 'btc'
* @param {String} opts.network - default 'livenet'
* @param {String} opts.passphrase
* @param {Number} opts.language - default 'en'
* @param {Number} opts.account - default 0
*/
API.prototype.seedFromRandomWithMnemonic = function(opts) {
$.checkArgument(arguments.length <= 1, 'DEPRECATED: only 1 argument accepted.');
$.checkArgument(_.isUndefined(opts) || _.isObject(opts), 'DEPRECATED: argument should be an options object.');
opts = opts || {};
this.credentials = Credentials.createWithMnemonic(opts.coin || 'btc', opts.network || 'livenet', opts.passphrase, opts.language || 'en', opts.account || 0);
};
API.prototype.getMnemonic = function() {
return this.credentials.getMnemonic();
};
API.prototype.mnemonicHasPassphrase = function() {
return this.credentials.mnemonicHasPassphrase;
};
API.prototype.clearMnemonic = function() {
return this.credentials.clearMnemonic();
};
/**
* Seed from extended private key
*
* @param {String} xPrivKey
* @param {String} opts.coin - default 'btc'
* @param {Number} opts.account - default 0
* @param {String} opts.derivationStrategy - default 'BIP44'
*/
API.prototype.seedFromExtendedPrivateKey = function(xPrivKey, opts) {
opts = opts || {};
this.credentials = Credentials.fromExtendedPrivateKey(opts.coin || 'btc', xPrivKey, opts.account || 0, opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP44, opts);
};
/**
* Seed from Mnemonics (language autodetected)
* Can throw an error if mnemonic is invalid
*
* @param {String} BIP39 words
* @param {Object} opts
* @param {String} opts.coin - default 'btc'
* @param {String} opts.network - default 'livenet'
* @param {String} opts.passphrase
* @param {Number} opts.account - default 0
* @param {String} opts.derivationStrategy - default 'BIP44'
*/
API.prototype.seedFromMnemonic = function(words, opts) {
$.checkArgument(_.isUndefined(opts) || _.isObject(opts), 'DEPRECATED: second argument should be an options object.');
opts = opts || {};
this.credentials = Credentials.fromMnemonic(opts.coin || 'btc', opts.network || 'livenet', words, opts.passphrase, opts.account || 0, opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP44, opts);
};
/**
* Seed from external wallet public key
*
* @param {String} xPubKey
* @param {String} source - A name identifying the source of the xPrivKey (e.g. ledger, TREZOR, ...)
* @param {String} entropySourceHex - A HEX string containing pseudo-random data, that can be deterministically derived from the xPrivKey, and should not be derived from xPubKey.
* @param {Object} opts
* @param {String} opts.coin - default 'btc'
* @param {Number} opts.account - default 0
* @param {String} opts.derivationStrategy - default 'BIP44'
*/
API.prototype.seedFromExtendedPublicKey = function(xPubKey, source, entropySourceHex, opts) {
$.checkArgument(_.isUndefined(opts) || _.isObject(opts));
opts = opts || {};
this.credentials = Credentials.fromExtendedPublicKey(opts.coin || 'btc', xPubKey, source, entropySourceHex, opts.account || 0, opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP44);
};
/**
* Export wallet
*
* @param {Object} opts
* @param {Boolean} opts.password
* @param {Boolean} opts.noSign
*/
API.prototype.export = function(opts) {
$.checkState(this.credentials);
opts = opts || {};
var output;
var c = Credentials.fromObj(this.credentials);
if (opts.noSign) {
c.setNoSign();
} else if (opts.password) {
c.decryptPrivateKey(opts.password);
}
output = JSON.stringify(c.toObj());
return output;
};
/**
* Import wallet
*
* @param {Object} str - The serialized JSON created with #export
*/
API.prototype.import = function(str) {
try {
var credentials = Credentials.fromObj(JSON.parse(str));
this.credentials = credentials;
} catch (ex) {
throw new Errors.INVALID_BACKUP;
}
};
API.prototype._import = function(cb) {
$.checkState(this.credentials);
var self = this;
// First option, grab wallet info from BWS.
self.openWallet(function(err, ret) {
// it worked?
if (!err) return cb(null, ret);
// Is the error other than "copayer was not found"? || or no priv key.
if (err instanceof Errors.NOT_AUTHORIZED || self.isPrivKeyExternal())
return cb(err);
//Second option, lets try to add an access
log.info('Copayer not found, trying to add access');
self.addAccess({}, function(err) {
if (err) {
return cb(new Errors.WALLET_DOES_NOT_EXIST);
}
self.openWallet(cb);
});
});
};
/**
* Import from Mnemonics (language autodetected)
* Can throw an error if mnemonic is invalid
*
* @param {String} BIP39 words
* @param {Object} opts
* @param {String} opts.coin - default 'btc'
* @param {String} opts.network - default 'livenet'
* @param {String} opts.passphrase
* @param {Number} opts.account - default 0
* @param {String} opts.derivationStrategy - default 'BIP44'
* @param {String} opts.entropySourcePath - Only used if the wallet was created on a HW wallet, in which that private keys was not available for all the needed derivations
* @param {String} opts.walletPrivKey - if available, walletPrivKey for encrypting metadata
*/
API.prototype.importFromMnemonic = function(words, opts, cb) {
log.debug('Importing from 12 Words');
var self = this;
opts = opts || {};
function derive(nonCompliantDerivation) {
return Credentials.fromMnemonic(opts.coin || 'btc', opts.network || 'livenet', words, opts.passphrase, opts.account || 0, opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP44, {
nonCompliantDerivation: nonCompliantDerivation,
entropySourcePath: opts.entropySourcePath,
walletPrivKey: opts.walletPrivKey,
});
};
try {
self.credentials = derive(false);
} catch (e) {
log.info('Mnemonic error:', e);
return cb(new Errors.INVALID_BACKUP);
}
self._import(function(err, ret) {
if (!err) return cb(null, ret);
if (err instanceof Errors.INVALID_BACKUP) return cb(err);
if (err instanceof Errors.NOT_AUTHORIZED || err instanceof Errors.WALLET_DOES_NOT_EXIST) {
var altCredentials = derive(true);
if (altCredentials.xPubKey.toString() == self.credentials.xPubKey.toString()) return cb(err);
self.credentials = altCredentials;
return self._import(cb);
}
return cb(err);
});
};
/*
* Import from extended private key
*
* @param {String} xPrivKey
* @param {String} opts.coin - default 'btc'
* @param {Number} opts.account - default 0
* @param {String} opts.derivationStrategy - default 'BIP44'
* @param {String} opts.compliantDerivation - default 'true'
* @param {String} opts.walletPrivKey - if available, walletPrivKey for encrypting metadata
* @param {Callback} cb - The callback that handles the response. It returns a flag indicating that the wallet is imported.
*/
API.prototype.importFromExtendedPrivateKey = function(xPrivKey, opts, cb) {
log.debug('Importing from Extended Private Key');
if (!cb) {
cb = opts;
opts = {};
log.warn('DEPRECATED WARN: importFromExtendedPrivateKey should receive 3 parameters.');
}
try {
this.credentials = Credentials.fromExtendedPrivateKey(opts.coin || 'btc', xPrivKey, opts.account || 0, opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP44, opts);
} catch (e) {
log.info('xPriv error:', e);
return cb(new Errors.INVALID_BACKUP);
};
this._import(cb);
};
/**
* Import from Extended Public Key
*
* @param {String} xPubKey
* @param {String} source - A name identifying the source of the xPrivKey
* @param {String} entropySourceHex - A HEX string containing pseudo-random data, that can be deterministically derived from the xPrivKey, and should not be derived from xPubKey.
* @param {Object} opts
* @param {String} opts.coin - default 'btc'
* @param {Number} opts.account - default 0
* @param {String} opts.derivationStrategy - default 'BIP44'
* @param {String} opts.compliantDerivation - default 'true'
*/
API.prototype.importFromExtendedPublicKey = function(xPubKey, source, entropySourceHex, opts, cb) {
$.checkArgument(arguments.length == 5, "DEPRECATED: should receive 5 arguments");
$.checkArgument(_.isUndefined(opts) || _.isObject(opts));
$.shouldBeFunction(cb);
opts = opts || {};
log.debug('Importing from Extended Private Key');
try {
this.credentials = Credentials.fromExtendedPublicKey(opts.coin || 'btc', xPubKey, source, entropySourceHex, opts.account || 0, opts.derivationStrategy || Constants.DERIVATION_STRATEGIES.BIP44, opts);
} catch (e) {
log.info('xPriv error:', e);
return cb(new Errors.INVALID_BACKUP);
};
this._import(cb);
};
API.prototype.decryptBIP38PrivateKey = function(encryptedPrivateKeyBase58, passphrase, opts, cb) {
var Bip38 = require('bip38');
var bip38 = new Bip38();
var privateKeyWif;
try {
privateKeyWif = bip38.decrypt(encryptedPrivateKeyBase58, passphrase);
} catch (ex) {
return cb(new Error('Could not decrypt BIP38 private key', ex));
}
var privateKey = new Bitcore.PrivateKey(privateKeyWif);
var address = privateKey.publicKey.toAddress().toString();
var addrBuff = new Buffer(address, 'ascii');
var actualChecksum = Bitcore.crypto.Hash.sha256sha256(addrBuff).toString('hex').substring(0, 8);
var expectedChecksum = Bitcore.encoding.Base58Check.decode(encryptedPrivateKeyBase58).toString('hex').substring(6, 14);
if (actualChecksum != expectedChecksum)
return cb(new Error('Incorrect passphrase'));
return cb(null, privateKeyWif);
};
API.prototype.getBalanceFromPrivateKey = function(privateKey, coin, cb) {
var self = this;
if (_.isFunction(coin)) {
cb = coin;
coin = 'btc';
}
var B = Bitcore_[coin];
var privateKey = new B.PrivateKey(privateKey);
var address = privateKey.publicKey.toAddress();
self.getUtxos({
addresses: coin == 'bch' ? address.toLegacyAddress() : address.toString(),
}, function(err, utxos) {
if (err) return cb(err);
return cb(null, _.sumBy(utxos, 'satoshis'));
});
};
API.prototype.buildTxFromPrivateKey = function(privateKey, destinationAddress, opts, cb) {
var self = this;
opts = opts || {};
var coin = opts.coin || 'btc';
var B = Bitcore_[coin];
var privateKey = B.PrivateKey(privateKey);
var address = privateKey.publicKey.toAddress();
async.waterfall([
function(next) {
self.getUtxos({
addresses: coin == 'bch' ? address.toLegacyAddress() : address.toString(),
}, function(err, utxos) {
return next(err, utxos);
});
},
function(utxos, next) {
if (!_.isArray(utxos) || utxos.length == 0) return next(new Error('No utxos found'));
var fee = opts.fee || 10000;
var amount = _.sumBy(utxos, 'satoshis') - fee;
if (amount <= 0) return next(new Errors.INSUFFICIENT_FUNDS);
var tx;
try {
var toAddress = B.Address.fromString(destinationAddress);
tx = new B.Transaction()
.from(utxos)
.to(toAddress, amount)
.fee(fee)
.sign(privateKey);
// Make sure the tx can be serialized
tx.serialize();
} catch (ex) {
log.error('Could not build transaction from private key', ex);
return next(new Errors.COULD_NOT_BUILD_TRANSACTION);
}
return next(null, tx);
}
], cb);
};
/**
* Open a wallet and try to complete the public key ring.
*
* @param {Callback} cb - The callback that handles the response. It returns a flag indicating that the wallet is complete.
* @fires API#walletCompleted
*/
API.prototype.openWallet = function(cb) {
$.checkState(this.credentials);
var self = this;
if (self.credentials.isComplete() && self.credentials.hasWalletInfo())
return cb(null, true);
self._doGetRequest('/v2/wallets/?includeExtendedInfo=1', function(err, ret) {
if (err) return cb(err);
var wallet = ret.wallet;
self._processStatus(ret);
if (!self.credentials.hasWalletInfo()) {
var me = _.find(wallet.copayers, {
id: self.credentials.copayerId
});
self.credentials.addWalletInfo(wallet.id, wallet.name, wallet.m, wallet.n, me.name);
}
if (wallet.status != 'complete')
return cb();
if (self.credentials.walletPrivKey) {
if (!Verifier.checkCopayers(self.credentials, wallet.copayers)) {
return cb(new Errors.SERVER_COMPROMISED);
}
} else {
// this should only happen in AIR-GAPPED flows
log.warn('Could not verify copayers key (missing wallet Private Key)');
}
self.credentials.addPublicKeyRing(API._extractPublicKeyRing(wallet.copayers));
self.emit('walletCompleted', wallet);
return cb(null, ret);
});
};
API.prototype._getHeaders = function(method, url, args) {
var headers = {
'x-client-version': 'bwc-' + Package.version,
};
if (this.supportStaffWalletId) {
headers['x-wallet-id'] = this.supportStaffWalletId;
}
return headers;
};
/**
* Do an HTTP request
* @private
*
* @param {Object} method
* @param {String} url
* @param {Object} args
* @param {Callback} cb
*/
API.prototype._doRequest = function(method, url, args, useSession, cb) {
var self = this;
var headers = self._getHeaders(method, url, args);
if (self.credentials) {
headers['x-identity'] = self.credentials.copayerId;
if (useSession && self.session) {
headers['x-session'] = self.session;
} else {
var reqSignature;
var key = args._requestPrivKey || self.credentials.requestPrivKey;
if (key) {
delete args['_requestPrivKey'];
reqSignature = API._signRequest(method, url, args, key);
}
headers['x-signature'] = reqSignature;
}
}
var r = self.request[method](self.baseUrl + url);
r.accept('json');
_.each(headers, function(v, k) {
if (v) r.set(k, v);
});
if (args) {
if (method == 'post' || method == 'put') {
r.send(args);
} else {
r.query(args);
}
}
r.timeout(self.timeout);
r.end(function(err, res) {
if (!res) {
return cb(new Errors.CONNECTION_ERROR);
}
if (res.body)
log.debug(util.inspect(res.body, {
depth: 10
}));
if (res.status !== 200) {
if (res.status === 404)
return cb(new Errors.NOT_FOUND);
if (!res.status)
return cb(new Errors.CONNECTION_ERROR);
log.error('HTTP Error:' + res.status);
if (!res.body)
return cb(new Error(res.status));
return cb(API._parseError(res.body));
}
if (res.body === '{"error":"read ECONNRESET"}')
return cb(new Errors.ECONNRESET_ERROR(JSON.parse(res.body)));
return cb(null, res.body, res.header);
});
};
API.prototype._login = function(cb) {
this._doPostRequest('/v1/login', {}, cb);
};
API.prototype._logout = function(cb) {
this._doPostRequest('/v1/logout', {}, cb);
};
/**
* Do an HTTP request
* @private
*
* @param {Object} method
* @param {String} url
* @param {Object} args
* @param {Callback} cb
*/
API.prototype._doRequestWithLogin = function(method, url, args, cb) {
var self = this;
function doLogin(cb) {
self._login(function(err, s) {
if (err) return cb(err);
if (!s) return cb(new Errors.NOT_AUTHORIZED);
self.session = s;
cb();
});
};
async.waterfall([
function(next) {
if (self.session) return next();
doLogin(next);
},
function(next) {
self._doRequest(method, url, args, true, function(err, body, header) {
if (err && err instanceof Errors.NOT_AUTHORIZED) {
doLogin(function(err) {
if (err) return next(err);
return self._doRequest(method, url, args, true, next);
});
}
next(null, body, header);
});
},
], cb);
};
/**
* Do a POST request
* @private
*
* @param {String} url
* @param {Object} args
* @param {Callback} cb
*/
API.prototype._doPostRequest = function(url, args, cb) {
return this._doRequest('post', url, args, false, cb);
};
API.prototype._doPutRequest = function(url, args, cb) {
return this._doRequest('put', url, args, false, cb);
};
/**
* Do a GET request
* @private
*
* @param {String} url
* @param {Callback} cb
*/
API.prototype._doGetRequest = function(url, cb) {
url += url.indexOf('?') > 0 ? '&' : '?';
url += 'r=' + _.random(10000, 99999);
return this._doRequest('get', url, {}, false, cb);
};
API.prototype._doGetRequestWithLogin = function(url, cb) {
url += url.indexOf('?') > 0 ? '&' : '?';
url += 'r=' + _.random(10000, 99999);
return this._doRequestWithLogin('get', url, {}, cb);
};
/**
* Do a DELETE request
* @private
*
* @param {String} url
* @param {Callback} cb
*/
API.prototype._doDeleteRequest = function(url, cb) {
return this._doRequest('delete', url, {}, false, cb);
};
API._buildSecret = function(walletId, walletPrivKey, coin, network) {
if (_.isString(walletPrivKey)) {
walletPrivKey = Bitcore.PrivateKey.fromString(walletPrivKey);
}
var widHex = new Buffer(walletId.replace(/-/g, ''), 'hex');
var widBase58 = new Bitcore.encoding.Base58(widHex).toString();
return _.padEnd(widBase58, 22, '0') + walletPrivKey.toWIF() + (network == 'testnet' ? 'T' : 'L') + coin;
};
API.parseSecret = function(secret) {
$.checkArgument(secret);
function split(str, indexes) {
var parts = [];
indexes.push(str.length);
var i = 0;
while (i < indexes.length) {
parts.push(str.substring(i == 0 ? 0 : indexes[i - 1], indexes[i]));
i++;
};
return parts;
};
try {
var secretSplit = split(secret, [22, 74, 75]);
var widBase58 = secretSplit[0].replace(/0/g, '');
var widHex = Bitcore.encoding.Base58.decode(widBase58).toString('hex');
var walletId = split(widHex, [8, 12, 16, 20]).join('-');
var walletPrivKey = Bitcore.PrivateKey.fromString(secretSplit[1]);
var networkChar = secretSplit[2];
var coin = secretSplit[3] || 'btc';
return {
walletId: walletId,
walletPrivKey: walletPrivKey,
coin: coin,
network: networkChar == 'T' ? 'testnet' : 'livenet',
};
} catch (ex) {
throw new Error('Invalid secret');
}
};
API.getRawTx = function(txp) {
var t = Utils.buildTx(txp);
return t.uncheckedSerialize();
};
API.signTxp = function(txp, derivedXPrivKey) {
//Derive proper key to sign, for each input
var privs = [];
var derived = {};
var xpriv = new Bitcore.HDPrivateKey(derivedXPrivKey);
_.each(txp.inputs, function(i) {
$.checkState(i.path, "Input derivation path not available (signing transaction)")
if (!derived[i.path]) {