'use strict';

var chai = chai || require('chai');
var should = chai.should();
var sinon = require('sinon');
var is_browser = (typeof process == 'undefined' || typeof process.versions === 'undefined');
if (is_browser) {
  var copay = require('copay'); //browser
} else {
  var copay = require('../copay'); //node
}
var copayConfig = require('../config');
var Wallet = require('../js/models/core/Wallet');
var Structure = copay.Structure;
var Storage = require('./mocks/FakeStorage');
var Network = require('./mocks/FakeNetwork');
var Blockchain = require('./mocks/FakeBlockchain');
var bitcore = bitcore || require('bitcore');
var TransactionBuilder = bitcore.TransactionBuilder;
var Transaction = bitcore.Transaction;
var Address = bitcore.Address;
var PayPro = bitcore.PayPro;

var G = is_browser ? window : global;
G.SSL_UNTRUSTED = true;

var x509 = {
  priv: ''
    + 'LS0tLS1CRUdJTiBSU0EgUFJJVkFURSBLRVktLS0tLQpNSUlFcEFJQkFBS0NBUUVBeFRKdUsyYUdM'
    + 'bjFkWEpLRGg0TXdQTFVrbDNISTVwR25HNWFjNGwvMGlobXE4Y3dDCitGVlBnWk1TNTlheWtpc0Ir'
    + 'ekM3dnR2a0prL2J2K0JTT1g3b3hkSXN1TDNkS1FGcHVYWFZmcmRiOTV3WW40TSsKL25qRWhYTWxo'
    + 'Vk1IL09DaUFnOUpLaFRLV0w2R1JXWkFBaEE3bEJSaGdTTkRUaVRDNTFDYmlLN3hBNnBONCt0UQpI'
    + 'eG9tSlBYclpSa2JCMmtsT2ZXd2J2OTNZM0oxS0ZEK2kwUE1RSEx3N3JoRXVteEM5MytISFVWWVZI'
    + 'N0gxVFBaCkgxYmRVSkowMmdRZXlsSnNzWUNKeWRaUHpOVC96dXRzL0tKV2RSdjVseHdHOXU5dE1O'
    + 'TWdoSmJtQWFNa01HaSsKbzdQTkV5UDNxSEZyWXBZaHM1cHFMSE1STkI3OFFNOUllTmpMRndJREFR'
    + 'QUJBb0lCQVFERVJyalBiQUdjbmwxaAorZGIrOTczNGZ0aElBUkpWSko1dTRFK1JKcThSRWhGTEVL'
    + 'UFlKNW0yUC94dVZBMXpYV2xnYXhaRUZ6d1VRaUpZCjdsOEpLVjlwSHhReVlaQ1M4dndYZzhpWGtz'
    + 'dndQaWRvQmN1YW4vd0RWQ1FCZXk2VkxjVXpSYUd1Ui9sTHNYK1YKN2Z0QjBvUnFsSXFrYmNQZE1N'
    + 'dnFUeG93UnVoUG11Q3JWVGpPNHBiTnFuU09OUExPaUovRkFYYjJwZnpGZnBCUgpHeCtFTW16d2Ur'
    + 'SEZuSkJHRGhIWjk5bm4vVEJmYUp6TlZDcURZLzNid3o1WDdIUU5ZN1QrSnlUVUZzZVE5NHhzCnpy'
    + 'a2lidGRmVGNUanB1K1VoWm80c1p6Q3IrZkhHWm9FOUdEUHF0ZDRnQ3ByazRFS0pzbXFCRVN4QlhT'
    + 'RGhZZ04KOXBVRDM4c1pBb0dCQU9yZkRqdDZaL0ZDamFuVThXek5GaWYrOVQxQTJ4b013RDVWU2xN'
    + 'dVJyWW1HbGZyMEM5TQpmMUVvZ2l2dVRrYnA3cmtnZFRhWVRTYndmTnFaQkt4Y3R5YzdCaGRwWnhE'
    + 'RVdKa2Z5cThxVngvem1Cek1JK1ZzCjJLYi9hcHZXcmJlb3NET0NyeUg1YzhKc1VUOXhUWDNYYnhF'
    + 'anlPSlFCU1lHRE1qUHlKNkU5czZMQW9HQkFOYnYKd2d0S2Nra0tLbDJhNXZzaGR2RENnNnFLL1Fn'
    + 'T20vNktUSlVKRVNqaHoydFIrZlBWUjcwVEg5UmhoVFJscERXQgpCd3oyU2NCc1RRNDIvTGsxRnky'
    + 'MFQvck12S3VmSEw1VE1BNGZ6NWRxMUxIbmN6ejZVazVnWEtBT09rUjlVdVhpClR0eTNoREcyQkM4'
    + 'Nk1LTVJ4SjUxRWJxam94d0VSMTAwU2FuTVBmTWxBb0dBSUhLY1pyOHNhUHBHMC9XbFBPREEKZE5v'
    + 'V1MxWVFidkxnQkR5SVBpR2doejJRV2lFcjY3em53ZkNVdXpqNiszVUtFKzFXQkNyYVRjemZrdHVj'
    + 'OTZyLwphcDRPNDJFZWFnU1dNT0ZoZ1AyYWQ4R1JmRGovcEl4N0NlY3pkVUFkVThnc1A1R0lYR3M0'
    + 'QU40eUEwL0Y0dUxHCloxbklRT3ZKS2syZnFvWjZNdHd2dEswQ2dZRUFnSjdGTGVDRTkzUmYyZGdD'
    + 'ZFRHWGJZZlpKc3M1bEFLNkV0NUwKNmJ1ZFN5dWw1Z0VPWkgyekNsQlJjZFJSMUFNbSt1V1ZoSW8x'
    + 'cERLckFlQ2g1MnIvemRmakxLQXNIejkrQWQ3aQpHUEdzVmw0Vm5jaDFTMzQ0bHJKUGUzQklLZ2dj'
    + 'L1hncDNTYnNzcHJMY2orT0wyZElrOUpXbzZ1Y3hmMUJmMkwwCjJlbGhBUWtDZ1lCWHN5elZWL1pK'
    + 'cVhOcFdDZzU1TDNVRm9UTHlLU3FsVktNM1dpRzVCS240QWF6VkNITCtHUVUKeHd4U2dSOWZRNElu'
    + 'dStyUHJOM0lteWswbEtQR0Y5U3pDUlJUaUpGUjcyc05xbE82bDBWOENXUkFQVFBKY2dxVgoxVThO'
    + 'SEs4YjNaaUlvR0orbXNOenBkeHJqNjJIM0E2K1krQXNOWTRTbVVUWEg5eWpnK251a2c9PQotLS0t'
    + 'LUVORCBSU0EgUFJJVkFURSBLRVktLS0tLQo=',
  pub: ''
    + 'LS0tLS1CRUdJTiBQVUJMSUMgS0VZLS0tLS0KTUlJQklqQU5CZ2txaGtpRzl3MEJBUUVGQUFPQ0FR'
    + 'OEFNSUlCQ2dLQ0FRRUF4VEp1SzJhR0xuMWRYSktEaDRNdwpQTFVrbDNISTVwR25HNWFjNGwvMGlo'
    + 'bXE4Y3dDK0ZWUGdaTVM1OWF5a2lzQit6Qzd2dHZrSmsvYnYrQlNPWDdvCnhkSXN1TDNkS1FGcHVY'
    + 'WFZmcmRiOTV3WW40TSsvbmpFaFhNbGhWTUgvT0NpQWc5SktoVEtXTDZHUldaQUFoQTcKbEJSaGdT'
    + 'TkRUaVRDNTFDYmlLN3hBNnBONCt0UUh4b21KUFhyWlJrYkIya2xPZld3YnY5M1kzSjFLRkQraTBQ'
    + 'TQpRSEx3N3JoRXVteEM5MytISFVWWVZIN0gxVFBaSDFiZFVKSjAyZ1FleWxKc3NZQ0p5ZFpQek5U'
    + 'L3p1dHMvS0pXCmRSdjVseHdHOXU5dE1OTWdoSmJtQWFNa01HaStvN1BORXlQM3FIRnJZcFloczVw'
    + 'cUxITVJOQjc4UU05SWVOakwKRndJREFRQUIKLS0tLS1FTkQgUFVCTElDIEtFWS0tLS0tCg==',
  der: ''
    + 'MIIDBjCCAe4CCQDI2qWdA3/VpDANBgkqhkiG9w0BAQUFADBFMQswCQYDVQQGEwJBVTETMBEGA1UE'
    + 'CAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMB4XDTE0MDcx'
    + 'NjAxMzM1MVoXDTE1MDcxNjAxMzM1MVowRTELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3Rh'
    + 'dGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDCCASIwDQYJKoZIhvcNAQEBBQAD'
    + 'ggEPADCCAQoCggEBAMUybitmhi59XVySg4eDMDy1JJdxyOaRpxuWnOJf9IoZqvHMAvhVT4GTEufW'
    + 'spIrAfswu77b5CZP27/gUjl+6MXSLLi93SkBabl11X63W/ecGJ+DPv54xIVzJYVTB/zgogIPSSoU'
    + 'yli+hkVmQAIQO5QUYYEjQ04kwudQm4iu8QOqTePrUB8aJiT162UZGwdpJTn1sG7/d2NydShQ/otD'
    + 'zEBy8O64RLpsQvd/hx1FWFR+x9Uz2R9W3VCSdNoEHspSbLGAicnWT8zU/87rbPyiVnUb+ZccBvbv'
    + 'bTDTIISW5gGjJDBovqOzzRMj96hxa2KWIbOaaixzETQe/EDPSHjYyxcCAwEAATANBgkqhkiG9w0B'
    + 'AQUFAAOCAQEAL6AMMfC3TlRcmsIgHxjVD4XYtISlldnrn2X9zvFbJKCpNy8XQQosQxrhyfzPHQKj'
    + 'lS2L/KCGMnjx9QkYD2Hlp1MJ1uVv9888th/gcZOv3Or3hQyi5K1Sh5xCG+69lUOqUEGu9B4irsqo'
    + 'FomQVbQolSy+t4apdJi7kuEDwFDk4gZiVEfsuX+naN5a6pCnWnhX1Vf4fKwfkLobKKXm2zQVsjxl'
    + 'wBAqOEmJGDLoRMXH56qJnEZ/dqsczaJOHQSi9mFEHL0r5rsEDTT5AVxdnBfNnyGaCH7/zANEko+F'
    + 'GBj1JdJaJgFTXdbxDoyoPTPD+LJqSK5XYToo46y/T0u9CLveNA==',
  pem: ''
    + 'LS0tLS1CRUdJTiBDRVJUSUZJQ0FURS0tLS0tCk1JSURCakNDQWU0Q0NRREkycVdkQTMvVnBEQU5C'
    + 'Z2txaGtpRzl3MEJBUVVGQURCRk1Rc3dDUVlEVlFRR0V3SkIKVlRFVE1CRUdBMVVFQ0F3S1UyOXRa'
    + 'UzFUZEdGMFpURWhNQjhHQTFVRUNnd1lTVzUwWlhKdVpYUWdWMmxrWjJsMApjeUJRZEhrZ1RIUmtN'
    + 'QjRYRFRFME1EY3hOakF4TXpNMU1Wb1hEVEUxTURjeE5qQXhNek0xTVZvd1JURUxNQWtHCkExVUVC'
    + 'aE1DUVZVeEV6QVJCZ05WQkFnTUNsTnZiV1V0VTNSaGRHVXhJVEFmQmdOVkJBb01HRWx1ZEdWeWJt'
    + 'VjAKSUZkcFpHZHBkSE1nVUhSNUlFeDBaRENDQVNJd0RRWUpLb1pJaHZjTkFRRUJCUUFEZ2dFUEFE'
    + 'Q0NBUW9DZ2dFQgpBTVV5Yml0bWhpNTlYVnlTZzRlRE1EeTFKSmR4eU9hUnB4dVduT0pmOUlvWnF2'
    + 'SE1BdmhWVDRHVEV1ZldzcElyCkFmc3d1NzdiNUNaUDI3L2dVamwrNk1YU0xMaTkzU2tCYWJsMTFY'
    + 'NjNXL2VjR0orRFB2NTR4SVZ6SllWVEIvemcKb2dJUFNTb1V5bGkraGtWbVFBSVFPNVFVWVlFalEw'
    + 'NGt3dWRRbTRpdThRT3FUZVByVUI4YUppVDE2MlVaR3dkcApKVG4xc0c3L2QyTnlkU2hRL290RHpF'
    + 'Qnk4TzY0Ukxwc1F2ZC9oeDFGV0ZSK3g5VXoyUjlXM1ZDU2ROb0VIc3BTCmJMR0FpY25XVDh6VS84'
    + 'N3JiUHlpVm5VYitaY2NCdmJ2YlREVElJU1c1Z0dqSkRCb3ZxT3p6Uk1qOTZoeGEyS1cKSWJPYWFp'
    + 'eHpFVFFlL0VEUFNIall5eGNDQXdFQUFUQU5CZ2txaGtpRzl3MEJBUVVGQUFPQ0FRRUFMNkFNTWZD'
    + 'MwpUbFJjbXNJZ0h4alZENFhZdElTbGxkbnJuMlg5enZGYkpLQ3BOeThYUVFvc1F4cmh5ZnpQSFFL'
    + 'amxTMkwvS0NHCk1uang5UWtZRDJIbHAxTUoxdVZ2OTg4OHRoL2djWk92M09yM2hReWk1SzFTaDV4'
    + 'Q0crNjlsVU9xVUVHdTlCNGkKcnNxb0ZvbVFWYlFvbFN5K3Q0YXBkSmk3a3VFRHdGRGs0Z1ppVkVm'
    + 'c3VYK25hTjVhNnBDblduaFgxVmY0Zkt3ZgprTG9iS0tYbTJ6UVZzanhsd0JBcU9FbUpHRExvUk1Y'
    + 'SDU2cUpuRVovZHFzY3phSk9IUVNpOW1GRUhMMHI1cnNFCkRUVDVBVnhkbkJmTm55R2FDSDcvekFO'
    + 'RWtvK0ZHQmoxSmRKYUpnRlRYZGJ4RG95b1BUUEQrTEpxU0s1WFlUb28KNDZ5L1QwdTlDTHZlTkE9'
    + 'PQotLS0tLUVORCBDRVJUSUZJQ0FURS0tLS0tCg=='
};

x509.priv = new Buffer(x509.priv, 'base64');
x509.pub = new Buffer(x509.pub, 'base64');
x509.der = new Buffer(x509.der, 'base64');
x509.pem = new Buffer(x509.pem, 'base64');

function startServer(cb) {
  var server = {
    POST: {

      /**
       * Receive "I want to pay"
       */

      '/-/request': function(req, cb) {
        var res = {
          statusCode: 200,
          headers: {},
          body: {}
        };

        var uid = 0;

        console.log('Received payment "request" from %s.', req.socket.remoteAddress);

        var outputs = [];

        [2000, 1000].forEach(function(value) {
          var po = new PayPro();
          po = po.makeOutput();
          // number of satoshis to be paid
          po.set('amount', value);
          // a TxOut script where the payment should be sent. similar to OP_CHECKSIG
          po.set('script', new Buffer([
            118, // OP_DUP
            169, // OP_HASH160
            76,  // OP_PUSHDATA1
            20,  // number of bytes
            0xcf,
            0xbe,
            0x41,
            0xf4,
            0xa5,
            0x18,
            0xed,
            0xc2,
            0x5a,
            0xf7,
            0x1b,
            0xaf,
            0xc7,
            0x2f,
            0xb6,
            0x1b,
            0xfc,
            0xfc,
            0x4f,
            0xcd,
            136, // OP_EQUALVERIFY
            172  // OP_CHECKSIG
          ]));
          outputs.push(po.message);
        });

        /**
         * Payment Details
         */

        var mdata = new Buffer([0]);
        uid++;
        if (uid > 0xffff) {
          throw new Error('UIDs bigger than 0xffff not supported.');
        } else if (uid > 0xff) {
          mdata = new Buffer([(uid >> 8) & 0xff, (uid >> 0) & 0xff])
        } else {
          mdata = new Buffer([0, uid])
        }
        var now = Date.now() / 1000 | 0;
        var pd = new PayPro();
        pd = pd.makePaymentDetails();
        pd.set('network', 'test');
        pd.set('outputs', outputs);
        pd.set('time', now);
        pd.set('expires', now * 60 * 60 * 24);
        pd.set('memo', 'Hello, this is the server, we would like some money.');
        var port = +req.headers.host.split(':')[1] || server.port;
        pd.set('payment_url', 'https://localhost:' + port + '/-/pay');
        pd.set('merchant_data', mdata);

        /*
         * PaymentRequest
         */

        var cr = new PayPro();
        cr = cr.makeX509Certificates();
        cr.set('certificate', [x509.der]);

        // We send the PaymentRequest to the customer
        var pr = new PayPro();
        pr = pr.makePaymentRequest();
        pr.set('payment_details_version', 1);
        pr.set('pki_type', 'x509+sha256');
        pr.set('pki_data', cr.serialize());
        pr.set('serialized_payment_details', pd.serialize());
        pr.sign(x509.priv);

        pr = pr.serialize();

        // BIP-71 - set the content-type
        res.headers['Content-Type'] = PayPro.PAYMENT_REQUEST_CONTENT_TYPE;
        res.headers['Content-Length'] = pr.length + '';
        res.headers['Content-Transfer-Encoding'] = 'binary';

        res.body = pr;

        return cb(null, res, res.body);
      },

      /**
       * Receive Payment
       */

      '/-/pay': function(req, cb) {
        var body = req.body;

        var res = {
          statusCode: 200,
          headers: {},
          body: {}
        };

        body = PayPro.Payment.decode(body);

        var pay = new PayPro();
        pay = pay.makePayment(body);
        var merchant_data = pay.get('merchant_data');
        var transactions = pay.get('transactions');
        var refund_to = pay.get('refund_to');
        var memo = pay.get('memo');

        console.log('Received payment from %s.', req.socket.remoteAddress);
        console.log('Customer Message: %s', memo);
        console.log('Payment Message:');
        console.log(pay);

        // We send this to the customer after receiving a Payment
        // Then we propogate the transaction through bitcoin network
        var ack = new PayPro();
        ack = ack.makePaymentACK();
        ack.set('payment', pay.message);
        ack.set('memo', 'Thank you for your payment!');

        ack = ack.serialize();

        // BIP-71 - set the content-type
        res.headers['Content-Type'] = PayPro.PAYMENT_ACK_CONTENT_TYPE;
        res.headers['Content-Length'] = ack.length + '';
        res.headers['Content-Transfer-Encoding'] = 'binary';

        transactions = transactions.map(function(tx) {
          tx.buffer = tx.buffer.slice(tx.offset, tx.limit);
          var ptx = new bitcore.Transaction();
          ptx.parse(tx.buffer);
          return ptx;
        });

        transactions.forEach(function(tx) {
          var id = tx.getHash().toString('hex');
          console.log('');
          console.log('Sending transaction with txid: %s', id);
          console.log(tx.getStandardizedObject());
        });

        res.body = ack;

        return cb(null, res, res.body);
      }
    },
    listen: function() {
    },
    close: function() {
    }
  };

  G.$http = function(options) {
    var ret = {
      success: function(cb) {
        this._success = cb;
        return this;
      },
      error: function(cb) {
        this._error = cb;
        return this;
      },
      _success: function() {
        ;
      },
      _error: function(_, err) {
        throw err;
      }
    };
    var method = (options.method || 'GET').toUpperCase();
    var uri = options.uri || options.url;
    var path = uri.replace(/^https?:\/\/[^\/]+/, '');
    var req = options;
    req.headers = req.headers || {};
    req.body = req.body || {};
    req.socket = {
      remoteAddress: 'localhost'
    };
    req.headers['Host'] = 'localhost:8080';
    Object.keys(req.headers).forEach(function(key) {
      req.headers[key] = req.headers[key] + '';
      req.headers[key.toLowerCase()] = req.headers[key] + '';
    });
    setTimeout(function() {
      server[method][path](req, function(err, res, body) {
        if (err) return ret._error(null, err, null, options);
        Object.keys(res.headers).forEach(function(key) {
          res.headers[key] = res.headers[key] + '';
          res.headers[key.toLowerCase()] = res.headers[key] + '';
        });
        return ret._success(body, res.statusCode, res.headers, options);
      });
    }, 1);
    return ret;
  };

  setTimeout(function() {
    return cb(null, server);
  }, 1);
}

var server;

describe('PayPro (in Wallet) model', function() {
  var config = {
    // requiredCopayers: 3,
    // totalCopayers: 5,
    requiredCopayers: 1,
    totalCopayers: 1,
    spendUnconfirmed: true,
    reconnectDelay: 100,
    networkName: 'testnet',
  };

  var createW = function(netKey, N, conf) {
    var c = JSON.parse(JSON.stringify(conf || config));
    if (!N) N = c.totalCopayers;

    if (netKey) c.netKey = netKey;
    var mainPrivateKey = new copay.PrivateKey({
      networkName: config.networkName
    });
    var mainCopayerEPK = mainPrivateKey.deriveBIP45Branch().extendedPublicKeyString();
    c.privateKey = mainPrivateKey;

    c.publicKeyRing = new copay.PublicKeyRing({
      networkName: c.networkName,
      requiredCopayers: Math.min(N, c.requiredCopayers),
      totalCopayers: N,
    });
    c.publicKeyRing.addCopayer(mainCopayerEPK);

    c.txProposals = new copay.TxProposals({
      networkName: c.networkName,
    });

    var storage = new Storage(config.storage);
    var network = new Network(config.network);
    var blockchain = new Blockchain(config.blockchain);
    c.storage = storage;
    c.network = network;
    c.blockchain = blockchain;

    c.addressBook = {
      '2NFR2kzH9NUdp8vsXTB4wWQtTtzhpKxsyoJ': {
        label: 'John',
        copayerId: '026a55261b7c898fff760ebe14fd22a71892295f3b49e0ca66727bc0a0d7f94d03',
        createdTs: 1403102115,
        hidden: false
      },
      '2MtP8WyiwG7ZdVWM96CVsk2M1N8zyfiVQsY': {
        label: 'Jennifer',
        copayerId: '032991f836543a492bd6d0bb112552bfc7c5f3b7d5388fcbcbf2fbb893b44770d7',
        createdTs: 1403103115,
        hidden: false
      }
    };

    c.networkName = config.networkName;
    c.verbose = config.verbose;
    c.version = '0.0.1';

    return new Wallet(c);
  }

  var cachedW = null;
  var cachedWobj = null;
  var cachedCreateW = function() {
    if (!cachedW) {
      cachedW = createW();
      cachedWobj = cachedW.toObj();
      cachedWobj.opts.reconnectDelay = 100;
    }
    var w = Wallet.fromObj(cachedWobj, cachedW.storage, cachedW.network, cachedW.blockchain);
    return w;
  };

  var unspentTest = [{
    "address": "dummy",
    "scriptPubKey": "dummy",
    "txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
    "vout": 1,
    "amount": 10,
    "confirmations": 7
  }];

  var createW2 = function(privateKeys, N, conf) {
    if (!N) N = 3;
    var netKey = 'T0FbU2JLby0=';
    var w = createW(netKey, N, conf);
    should.exist(w);

    var pkr = w.publicKeyRing;

    for (var i = 0; i < N - 1; i++) {
      if (privateKeys) {
        var k = privateKeys[i];
        pkr.addCopayer(k ? k.deriveBIP45Branch().extendedPublicKeyString() : null);
      } else {
        pkr.addCopayer();
      }
    }

    return w;
  };

  var cachedW2 = null;
  var cachedW2obj = null;
  var cachedCreateW2 = function() {
    if (!cachedW2) {
      cachedW2 = createW2();
      cachedW2obj = cachedW2.toObj();
      cachedW2obj.opts.reconnectDelay = 100;
    }
    var w = Wallet.fromObj(cachedW2obj, cachedW2.storage, cachedW2.network, cachedW2.blockchain);
    return w;
  };

  it('#start the example server', function(done) {
    startServer(function(err, s) {
      if (err) return done(err);
      server = s;
      server.uri = 'https://localhost:8080/-';
      done();
    });
  });

  it('#send a payment request', function(done) {
    var w = cachedCreateW2();
    should.exist(w);
    unspentTest[0].address = w.publicKeyRing.getAddress(1, true, w.publicKey).toString();
    unspentTest[0].scriptPubKey = w.publicKeyRing.getScriptPubKeyHex(1, true, w.publicKey);
    w.getUnspent = function(cb) {
      return setTimeout(function() {
        return cb(null, unspentTest, []);
      }, 1);
    };
    var address = 'bitcoin:mq7se9wy2egettFxPbmn99cK8v5AFq55Lx?amount=0.11&r=' + server.uri + '/request';
    var commentText = 'Hello, server. I\'d like to make a payment.';
    w.createTx(address, commentText, function(ntxid, ca) {
      if (w.totalCopayers > 1) {
        should.exist(ntxid);
        console.log('Sent TX proposal to other copayers:');
        console.log([ntxid, ca]);
        server.close();
        done();
      } else {
        console.log('Sending TX to merchant server:');
        console.log(ntxid);
        w.sendTx(ntxid, function(txid, ca) {
          should.exist(txid);
          console.log('TX sent:');
          console.log([ntxid, ca]);
          server.close();
          done();
        });
      }
    });
  });
});