Wallet/test/Wallet.js

'use strict';
var Wallet = copay.Wallet;
var PrivateKey = copay.PrivateKey;
var Network = requireMock('FakeNetwork');
var Blockchain = requireMock('FakeBlockchain');
var TransactionBuilder = bitcore.TransactionBuilder;
var Transaction = bitcore.Transaction;
var Address = bitcore.Address;
var PayPro = bitcore.PayPro;
var Buffer = bitcore.Buffer;
var Script = bitcore.Script;


function assertObjectEqual(a, b) {
  Wallet.PERSISTED_PROPERTIES.forEach(function(k) {
    if (a[k] && b[k]) {
      _.omit(a[k], 'name').should.be.deep.equal(b[k], k + ' differs');
    }
  })
}


var walletConfig = {
  requiredCopayers: 3,
  totalCopayers: 5,
  spendUnconfirmed: true,
  reconnectDelay: 100,
  networkName: 'testnet',
  // network layer config
  networkOpts: {
    testnet: {
      url: 'https://test-insight.bitpay.com:443',
      transports: ['polling'],
    },
    livenet: {
      url: 'https://insight.bitpay.com:443',
      transports: ['polling'],
    },
  },
};


walletConfig.blockchainOpts = walletConfig.networkOpts;


var getNewEpk = function() {
  return new PrivateKey({
      networkName: walletConfig.networkName,
    })
    .deriveBIP45Branch()
    .extendedPublicKeyString();
}

var addCopayers = function(w) {
  for (var i = 0; i < 4; i++) {
    w.publicKeyRing.addCopayer(getNewEpk());
  }
};


describe('Wallet model', function() {
  var sandbox;
  beforeEach(function() {
    sandbox = sinon.sandbox.create();
  });

  afterEach(function() {
    sandbox.restore();
  });

  it('should fail to create an instance', function() {
    (function() {
      new Wallet(walletConfig)
    }).should.
    throw();
  });
  it('should getNetworkName', function() {
    var w = cachedCreateW();
    w.getNetworkName().should.equal('testnet');
    w.isTestnet().should.be.true;
  });


  var createW = function(N, conf) {

    var c = JSON.parse(JSON.stringify(conf || walletConfig));
    if (!N) N = c.totalCopayers;

    var mainPrivateKey = new copay.PrivateKey({
      networkName: walletConfig.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,
    });

    c.blockchain = new Blockchain(walletConfig.blockchain);

    c.network = sinon.stub();
    c.network.setHexNonce = sinon.stub();
    c.network.setHexNonces = sinon.stub();
    c.network.getHexNonce = sinon.stub();
    c.network.getHexNonces = sinon.stub();
    c.network.peerFromCopayer = sinon.stub().returns('xxxx');
    c.network.send = sinon.stub();

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

    c.networkName = walletConfig.networkName;
    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;
    }
    Wallet._newAsync = sinon.stub().returns(new Network(walletConfig.network));
    Wallet._newInsight = sinon.stub().returns(new Blockchain(walletConfig.blockchain));

    var w = Wallet.fromObj(cachedWobj, {
      blockchainOpts: {},
      networkOpts: {},
    });
    return w;
  };

  it('should create an instance', function() {
    var w = cachedCreateW();
    should.exist(w);
    w.publicKeyRing.walletId.should.equal(w.id);
    w.getId().should.equal(w.id);
    w.txProposals.walletId.should.equal(w.id);
    w.requiredCopayers.should.equal(3);
    should.exist(w.id);
    should.exist(w.publicKeyRing);
    should.exist(w.privateKey);
    should.exist(w.txProposals);
    should.exist(w.addressBook);
  });

  it('should provide some basic features', function() {
    var opts = {};
    var w = cachedCreateW();
    addCopayers(w);
    w.publicKeyRing.generateAddress(false, w.publicKey);
    w.publicKeyRing.isComplete().should.equal(true);
    (new bitcore.Address(w.generateAddress(true))).isValid().should.equal(true);
  });

  it('should check sizes', function() {
    var opts = {};
    var w = cachedCreateW();
    var s = w.sizes();
    s.total.should.be.equal(1634);
  });

  it('should check pending proposals', function() {
    var opts = {};
    var w = cachedCreateW();

    var p = w.getPendingTxProposalsCount();
    p.pending.should.be.equal(0);
    p.pendingForUs.should.be.equal(0);
  });

  it('should set version', function() {
    var opts = {};
    var w = cachedCreateW();
    w.setVersion('0.123')
    w.version.should.be.equal('0.123');
  });

  it('should check pending proposals case 2', function(done) {
    var w = createW2(null, 1);
    var utxo = createUTXO(w);
    w.blockchain.fixUnspent(utxo);

    w.spend({
      toAddress: toAddress,
      amountSat: amountSatStr,
    }, function(err, id, status) {
      should.not.exist(err);
      should.exist(id);
      status.should.equal(Wallet.TX_PROPOSAL_SENT);

      w.network.send.calledOnce.should.equal(true);
      w.network.send.getCall(0).args[1].type.should.equal("txProposal");
      should.exist(w.network.send.getCall(0).args[1].indexes);
      should.exist(w.network.send.getCall(0).args[1].txProposal);

      var p = w.getPendingTxProposalsCount();
      p.pending.should.be.equal(1);
      p.pendingForUs.should.be.equal(0);

      var p2 = w.getPendingTxProposals();
      p2.length.should.be.equal(1);
      done();
    });
  });

  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 w = createW(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() : getNewEpk());
      } else {
        pkr.addCopayer(getNewEpk());
      }
    }

    return w;
  };

  var cachedW2 = null;
  var cachedW2obj = null;
  var cachedCreateW2 = function() {
    if (!cachedW2) {
      cachedW2 = createW2();
      cachedW2obj = cachedW2.toObj();
      cachedW2obj.opts.reconnectDelay = 100;
    }
    Wallet._newAsync = sinon.stub().returns(new Network(walletConfig.network));
    Wallet._newInsight = sinon.stub().returns(new Blockchain(walletConfig.blockchain));

    var w = Wallet.fromObj(cachedW2obj, {
      blockchainOpts: {},
      networkOpts: {},
    });
    if (w.httpUtil.request.restore)
      w.httpUtil.request.restore();
    return w;
  };

  var unSpentTestFromWallet = function(w, addrStr) {

    unspentTest[0].address = addrStr;
    var a = new bitcore.Address(addrStr);
    unspentTest[0].scriptPubKey = Script.createP2SH(a.payload()).getBuffer().toString('hex');
  };


  it('#create, fail for network', function() {

    var w = cachedCreateW2();
    unSpentTestFromWallet(unspentTest[0], w.publicKeyRing.generateAddress(true));
    var f = function() {
      w._createTxProposal(
        '15q6HKjWHAksHcH91JW23BJEuzZgFwydBt',
        '123456789',
        null,
        unspentTest
      );
    };
    f.should.throw('networkname');
  });



  it('#create, check builder opts', function() {
    var w = cachedCreateW2();
    unSpentTestFromWallet(unspentTest[0], w.publicKeyRing.generateAddress(true));
    var txp = w._createTxProposal(
      'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
      '123456789',
      null,
      unspentTest
    );
    var opts = JSON.parse(txp.builder.vanilla.opts);
    opts.signhash.should.equal(1);
    (opts.lockTime === null).should.be.true;
    should.not.exist(opts.fee);
    should.not.exist(opts.feeSat);
  });

  it('#create, 1 sign', function() {
    var w = cachedCreateW2();
    unSpentTestFromWallet(unspentTest[0], w.publicKeyRing.generateAddress(true));


    var txp = w._createTxProposal(
      'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
      '123456789',
      null,
      unspentTest
    );

    w.addSeenToTxProposals().should.be.false;
    Object.keys(txp.getSignersPubKeys()).length.should.equal(1);
    var tx = txp.builder.build();
    should.exist(tx);
    chai.expect(txp.comment).to.be.null;
    tx.isComplete().should.equal(false);
    w.addSeenToTxProposals().should.be.false;
    Object.keys(txp.seenBy).length.should.equal(1);
    Object.keys(txp.signedBy).length.should.equal(1);
  });

  it('#create with comment', function() {

    var w = cachedCreateW2();
    var comment = 'This is a comment';
    unSpentTestFromWallet(unspentTest[0], w.publicKeyRing.generateAddress(true));

    var txp = w._createTxProposal(
      'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
      '123456789',
      comment,
      unspentTest
    );

    var tx = txp.builder.build();
    should.exist(tx);
    txp.comment.should.equal(comment);
  });

  it('#create throw exception on long comment', function() {

    var w = cachedCreateW2();
    var comment = 'Lorem ipsum dolor sit amet, suas euismod vis te, velit deleniti vix an. Pri ex suscipit similique, inermis per';
    unSpentTestFromWallet(unspentTest[0], w.publicKeyRing.generateAddress(true));

    (function() {
      w._createTxProposal(
        'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
        '123456789',
        comment,
        unspentTest
      );
    }).should.throw('Comment');
  });

  it('#addressIsOwn', function() {
    var wallet = cachedCreateW2();
    var allAddresses = wallet.getAddresses();
    for (var i = 0; i < allAddresses.length; i++) {
      wallet.addressIsOwn(allAddresses[i]).should.equal(true);
    }

    wallet.addressIsOwn('mmHqhvTVbxgJTnePa7cfweSRjBCy9bQQXJ').should.equal(false);
    wallet.addressIsOwn('mgtUfP9sTJ6vPLoBxZLPEccGpcjNVryaCX').should.equal(false);
  });

  it('#getAddressesOrdered', function() {
    var wallet = cachedCreateW2();
    var allAddresses = wallet.getAddressesOrdered();
    for (var i = 0; i < allAddresses.length; i++) {
      wallet.addressIsOwn(allAddresses[i]).should.equal(true);
    }
  });

  it('#create. Signing with derivate keys', function() {

    var w = cachedCreateW2();

    var ts = Date.now();
    for (var isChange = false; !isChange; isChange = true) {
      for (var index = 0; index < 3; index++) {
        unSpentTestFromWallet(unspentTest[0], w.publicKeyRing.generateAddress(true));
        var txp = w._createTxProposal(
          'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
          '123456789',
          null,
          unspentTest
        );
        var tx = txp.builder.build();
        should.exist(tx);
        tx.isComplete().should.equal(false);
        tx.countInputMissingSignatures(0).should.equal(2);

        (txp.signedBy[w.privateKey.getId()] - ts > 0).should.equal(true);
        (txp.seenBy[w.privateKey.getId()] - ts > 0).should.equal(true);
      }
    }
  });

  it('#fromObj #toObj round trip', function() {

    var w = cachedCreateW2();

    var o = w.toObj();
    o = JSON.parse(JSON.stringify(o));

    // non stored options
    o.opts.reconnectDelay = 100;

    var w2 = Wallet.fromObj(o, {
      blockchainOpts: {},
      networkOpts: {},
    });
    should.exist(w2);
    w2.publicKeyRing.requiredCopayers.should.equal(w.publicKeyRing.requiredCopayers);
    should.exist(w2.publicKeyRing.getCopayerId);
    should.exist(w2.txProposals.toObj);
    should.exist(w2.privateKey.toObj);
  });

  it('#getSecret decodeSecret', function() {
    var w = cachedCreateW2();
    var id = w.getMyCopayerId();
    var secretNumber = w.getSecretNumber();

    var sb = w.getSecret();
    should.exist(sb);

    var s = Wallet.decodeSecret(sb);
    s.pubKey.should.equal(id);
    s.secretNumber.should.equal(secretNumber);
    s.networkName.should.equal(w.getNetworkName());
  });

  it('#getSecret decodeSecret livenet', function() {
    var w = cachedCreateW2();
    var stub = sinon.stub(w, 'getNetworkName');
    stub.returns('livenet');
    var sb = w.getSecret();
    should.exist(sb);
    var s = Wallet.decodeSecret(sb);
    s.networkName.should.equal('livenet');
    stub.restore();
  });


  it('decodeSecret check', function() {
    var s = Wallet.decodeSecret('4fp61K187CsYmjoRQC5iAdC5eGmbCRsAAXfwEwetSQgHvZs27eWKaLaNHRoKM');
    should.exist(s);

    s = Wallet.decodeSecret('4fp61K187CsYmjoRQC5iAdC5eGmbCRsAAXfwEwetSQgHvZs27eWKaLaNHRoK');
    s.should.equal(false);


    s = Wallet.decodeSecret('123456');
    s.should.equal(false);
  });


  it('#maxRejectCount', function() {
    var w = cachedCreateW();
    w.maxRejectCount().should.equal(2);
  });

  describe('#getMaxRequiredCopayers', function() {
    it('should return ', function() {
      var validPairs = {
        1: 1,
        2: 2,
        3: 3,
        4: 4,
        5: 4,
        6: 4,
        7: 3,
        8: 3,
        9: 2,
        10: 2,
        11: 1,
        12: 1,
      };
      _.each(validPairs, function(maxReq, total) {
        Wallet.getMaxRequiredCopayers(total).should.equal(maxReq);
      })
    });
  });

  describe('#_onData', function() {
    var w = cachedCreateW();
    var sender = '025c046aaf505a6d23203edd343132e9d4d21818b962d1e9a9c98573cc2031bfc9';
    var ts = 1410810974778246;
    it('should fail on message unknown', function() {
      var data = {
        type: "xxx",
        walletId: w.id
      };

      (function() {
        w._onData(sender, data, ts);
      }).should.
      throw('unknown message type received: xxx from: 025c046aaf505a6d23203edd343132e9d4d21818b962d1e9a9c98573cc2031bfc9');

    });

    it('should call emitAndKeepAlive', function() {
      var data = {
        type: "typeUnknown",
        walletId: '00001111'
      };

      var spy = sinon.spy(w, 'emitAndKeepAlive');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });


    it('should call sendWalletReady', function() {
      var data = {
        type: "walletId",
        walletId: w.id
      };

      var spy = sinon.spy(w, 'sendWalletReady');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });

    it('should call sendPublicKeyRing', function() {
      var data = {
        type: "walletReady",
        walletId: w.id
      };

      var spy = sinon.spy(w, 'sendPublicKeyRing');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });

    it('should call _onPublicKeyRing', function() {
      var data = {
        type: "publicKeyRing",
        walletId: w.id,
        publicKeyRing: {
          networkName: 'testnet',
          requiredCopayers: 3,
          totalCopayers: 3,
          indexes: [],
          nicknameFor: 'NickName',
          copayersExtPubKeys: [],
        }
      };

      var spy = sinon.spy(w, '_onPublicKeyRing');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });

    it('should call _onReject', function() {
      var data = {
        type: "reject",
        walletId: w.id,
        ntxid: '12345',
      };

      //todo: add a txp

      var spy = sinon.spy(w, '_onReject');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });

    it('should call _onSeen', function() {
      var data = {
        type: "seen",
        walletId: w.id,
        ntxid: '12345',
      };

      var spy = sinon.spy(w, '_onSeen');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });

    it('should call _onTxProposal', function() {
      var data = {
        type: "txProposal",
        walletId: w.id,
        ntxid: '12345',
        txProposal: '0001'
      };

      var spy = sinon.spy(w, '_onTxProposal');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });

    it('should call _onSignature', function() {
      var data = {
        type: "signature",
        walletId: w.id,
      };

      var spy = sinon.spy(w, '_onSignature');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });


    it('should call _onIndexes', function() {
      var data = {
        type: "indexes",
        walletId: w.id,
        indexes: []
      };
      var spy = sinon.spy(w, '_onIndexes');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });

    it('should call _onAddressBook', function() {
      var data = {
        type: "addressbook",
        walletId: w.id,
      };
      var spy = sinon.spy(w, '_onAddressBook');
      w._onData(sender, data, ts);
      sinon.assert.callCount(spy, 1);
    });


  });


  describe('#purgeTxProposals', function() {
    it('should delete all', function() {
      var w = cachedCreateW();
      var spy1 = sinon.spy(w.txProposals, 'deleteAll');
      var spy2 = sinon.spy(w.txProposals, 'deletePending');
      w.purgeTxProposals(1);
      spy1.callCount.should.equal(1);
      spy2.callCount.should.equal(0);
      spy1.restore();
      spy2.restore();
    });
    it('should delete pending', function() {
      var w = cachedCreateW();
      var spy1 = sinon.spy(w.txProposals, 'deleteAll');
      var spy2 = sinon.spy(w.txProposals, 'deletePending');
      w.purgeTxProposals();
      spy1.callCount.should.equal(0);
      spy2.callCount.should.equal(1);
      spy1.restore();
      spy2.restore();
    });
    it('should count deletions', function() {
      var w = cachedCreateW();
      var s = sinon.stub(w.txProposals, 'length').returns(10);
      var n = w.purgeTxProposals();
      n.should.equal(0);
      s.restore();
    });
  });


  //this test fails randomly
  it.skip('call reconnect after interval', function(done) {
    this.timeout(10000);
    var w = cachedCreateW2();
    var spy = sinon.spy(w, 'scheduleConnect');
    var callCount = 3;
    w.netStart();
    setTimeout(function() {
      sinon.assert.callCount(spy, callCount);
      done();
    }, w.reconnectDelay * callCount * (callCount + 1) / 2);
  });

  it('#isSingleUser', function() {
    var w = createW();
    w.isShared().should.equal(true);

    w.totalCopayers = 1;
    w.isShared().should.equal(false);
  });



  it('#isComplete', function() {
    var w = createW();
    w.publicKeyRing.isComplete().should.equal(false);
    w.isComplete().should.equal(false);

    var w2 = createW2();
    w2.publicKeyRing.isComplete().should.equal(true);
    w2.isComplete().should.equal(true);
  });

  it('handle network indexes correctly', function() {
    var w = createW();
    var aiObj = {
      indexes: [{
        copayerIndex: 0,
        changeIndex: 3,
        receiveIndex: 2
      }]
    };
    w._onIndexes('senderID', aiObj, true);
    w.publicKeyRing.getHDParams(0).getReceiveIndex(2);
    w.publicKeyRing.getHDParams(0).getChangeIndex(3);
  });

  it('handle network pubKeyRings correctly', function() {
    var w = createW();
    w.getNetworkName().should.equal('testnet');
    var cepk = [
      w.publicKeyRing.toObj().copayersExtPubKeys[0],
      'tpubDEqHs8LoCB1MDfXs1y2WaLJqPkKsgt8mDoQUFsQ4aKHvho5oFJkF7UrZnfFXKMhA1MuVPwq8a5VhFHvCquYcCVHeCrW4ZCWoDDE9K95e8rP',
      'tpubDEqHs8LoCB1MGGKRyouphPdFNNuay5PBzCuJkgDSiWeAST8m7y4nwPZ7M27mUNWLLPDp6n8kp4P57sd8xHXNnZvap8PxWrUMvXzkxFNgCh7',
    ];
    var pkrObj = {
      walletId: w.id,
      networkName: w.networkName,
      requiredCopayers: w.requiredCopayers,
      totalCopayers: w.totalCopayers,
      indexes: [{
        copayerIndex: 0,
        changeIndex: 2,
        receiveIndex: 3
      }],
      copayersExtPubKeys: cepk,
      nicknameFor: {},
    };
    w._onPublicKeyRing('senderID', {
      publicKeyRing: pkrObj
    }, true);
    w.publicKeyRing.getHDParams(0).getReceiveIndex(2);
    w.publicKeyRing.getHDParams(0).getChangeIndex(3);
    for (var i = 0; i < w.requiredCopayers; i++) {
      w.publicKeyRing.toObj().copayersExtPubKeys[i].should.equal(cepk[i]);
    }
  });

  var newId = '00bacacafe';
  it('handle new connections', function(done) {
    var w = createW();
    w.sendWalletId = sinon.stub();

    w.on('connect', function(id) {
      id.should.equal('xxxx');
      done();
    });
    w._onConnect(newId);
  });

  it('should register new copayers correctly', function() {
    var w = createW();
    var r = w.getRegisteredCopayerIds();
    r.length.should.equal(1);
    w.publicKeyRing.addCopayer(getNewEpk());

    r = w.getRegisteredCopayerIds();
    r.length.should.equal(2);
    r[0].should.not.equal(r[1]);
  });

  it('should register new peers correctly', function() {
    var w = createW();
    var r = w.getRegisteredPeerIds();
    r.length.should.equal(1);
    w.publicKeyRing.addCopayer(getNewEpk());
    r = w.getRegisteredPeerIds();
    r.length.should.equal(2);
    r[0].should.not.equal(r[1]);
  });

  it('#getBalance should call #getUnspent', function(done) {
    var w = cachedCreateW2();
    var spy = sinon.spy(w.blockchain, 'getUnspent');
    w.generateAddress();
    w.getBalance(function(err, balance, balanceByAddr, safeBalance) {
      sinon.assert.callCount(spy, 1);
      done();
    });
  });
  it('#getBalance should return values in satoshis', function(done) {
    var w = cachedCreateW2();
    w.generateAddress();
    w.getBalance(function(err, balance, balanceByAddr, safeBalance) {
      balance.should.equal(2500010000);
      safeBalance.should.equal(2500010000);
      balanceByAddr.mji7zocy8QzYywQakwWf99w9bCT6orY1C1.should.equal(2500010000);
      Object.keys(balanceByAddr).length.should.equal(1);
      done();
    });
  });

  it('#getUnspent should honor spendUnconfirmed = false', function(done) {
    var conf = JSON.parse(JSON.stringify(walletConfig));
    conf.spendUnconfirmed = false;
    var w = createW2(null, null, conf);
    w.getBalance(function(err, balance, balanceByAddr, safeBalance) {
      balance.should.equal(2500010000);
      safeBalance.should.equal(0);
      balanceByAddr.mji7zocy8QzYywQakwWf99w9bCT6orY1C1.should.equal(2500010000);
      done();
    });
  });

  it('#getUnspent and spendUnconfirmed should count transactions with 1 confirmations', function(done) {
    var conf = JSON.parse(JSON.stringify(walletConfig));
    conf.spendUnconfirmed = false;
    var w = cachedCreateW2(null, null, conf);
    w.blockchain.getUnspent = w.blockchain.getUnspent2;
    w.getBalance(function(err, balance, balanceByAddr, safeBalance) {
      balance.should.equal(2500010000);
      safeBalance.should.equal(2500010000);
      balanceByAddr.mji7zocy8QzYywQakwWf99w9bCT6orY1C1.should.equal(2500010000);
      done();
    });
  });

  var roundErrorChecks = [{
      unspent: [1.0001],
      balance: 100010000
    }, {
      unspent: [1.0002, 1.0003, 1.0004],
      balance: 300090000
    }, {
      unspent: [0.000002, 1.000003, 2.000004],
      balance: 300000900
    }, {
      unspent: [0.0001, 0.0003],
      balance: 40000
    }, {
      unspent: [0.0001, 0.0003, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0002],
      balance: 110000
    },

  ];
  var roundWallet = cachedCreateW2();

  roundErrorChecks.forEach(function(c) {
    it('#getBalance should handle rounding errors: ' + c.unspent[0], function(done) {
      var w = roundWallet;
      //w.generateAddress();
      w.blockchain.fixUnspent(c.unspent.map(function(u) {
        return {
          amount: u
        }
      }));
      w.clearUnspentCache();
      w.getBalance(function(err, balance, balanceByAddr, safeBalance) {
        balance.should.equal(c.balance);
        done();
      });
    });
  });


  it('should get balance', function(done) {
    var w = createW2();
    var spy = sinon.spy(w.blockchain, 'getUnspent');
    w.blockchain.fixUnspent([]);
    w.getBalance(function(err, balance, balanceByAddr, safeBalance) {
      sinon.assert.callCount(spy, 1);
      balance.should.equal(0);
      done();
    });
  });


  it('should exportEncrypted ', function() {
    var w = createW2();
    var enc = w.exportEncrypted('', {});
    enc.length.should.equal(2405);
  });

  it('should close wallet', function(done) {
    var w = createW2();
    w.network.removeAllListeners = sinon.stub();
    w.network.cleanUp = sinon.stub();
    w.blockchain.removeAllListeners = sinon.stub();
    w.blockchain.destroy = sinon.stub();

    w.close(function() {
      w.network.removeAllListeners.calledOnce.should.equal(true);
      w.network.cleanUp.calledOnce.should.equal(true);
      w.blockchain.removeAllListeners.calledOnce.should.equal(true);
      w.network.cleanUp.calledOnce.should.equal(true);
      done();
    });
  });

  // tx handling

  var createUTXO = function(w) {
    var utxo = [{
      'txid': '0be0fb4579911be829e3077202e1ab47fcc12cf3ab8f8487ccceae768e1f95fa',
      'vout': 0,
      'ts': 1402323949,
      'amount': 25.0001,
      'confirmations': 10,
      'confirmationsFromCache': false
    }];
    sinon.stub(w, 'sendIndexes');
    var addr = w.generateAddress().toString();
    w.sendIndexes.restore();

    utxo[0].address = addr;
    utxo[0].scriptPubKey = (new bitcore.Address(addr)).getScriptPubKey().serialize().toString('hex');
    return utxo;
  };
  var toAddress = 'mjfAe7YrzFujFf8ub5aUrCaN5GfSABdqjh';
  var amountSatStr = '10000';

  describe('#spend', function() {
    it('should create transaction', function(done) {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, ntxid) {
        ntxid.length.should.equal(64);
        done();
      });
    });

    it('should create & sign transaction from received funds', function(done) {
      var k2 = new PrivateKey({
        networkName: walletConfig.networkName
      });

      var w = createW2([k2]);
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      var now = Date.now();
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, ntxid) {
        var calledType;
        w.privateKey = k2;
        w.on('txProposalEvent', function(e) {
          calledType = e.type;
        });
        w.signAndSend(ntxid, function(err, tx, status) {
          should.not.exist(err);
          var txp = w.txProposals.txps[ntxid];
          var myId = w.getMyCopayerId();
          txp.signedBy[myId].should.be.above(now - 1);
          should.not.exist(txp.rejectedBy[myId]);
          status.should.equal(Wallet.TX_SIGNED);
          calledType.should.equal(Wallet.TX_SIGNED);
          done();
        });
      });
    });

    it('should fail to reject a signed transaction', function() {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, ntxid) {
        (function() {
          w.reject(ntxid);
        }).should.throw('reject a signed');
      });
    });

    it('should create & reject transaction', function(done) {
      var w = cachedCreateW2();
      var oldK = w.privateKey;
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, ntxid) {
        var s = sinon.stub(w, 'getMyCopayerId').returns('213');
        Object.keys(w.txProposals.get(ntxid).rejectedBy).length.should.equal(0);
        w.addSeenToTxProposals().should.be.true;
        w.reject(ntxid);

        Object.keys(w.txProposals.get(ntxid).rejectedBy).length.should.equal(1);
        w.txProposals.get(ntxid).rejectedBy['213'].should.gt(1);
        s.restore();
        done();
      });
    });
    it('should send a TX proposal to peers if incomplete', function(done) {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);

      sinon.spy(w, 'sendIndexes');
      sinon.spy(w, 'sendTxProposal');
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, id, status) {
        should.not.exist(err);
        should.exist(id);
        status.should.equal(Wallet.TX_PROPOSAL_SENT);
        w.sendTxProposal.calledOnce.should.equal(true);
        w.sendIndexes.calledOnce.should.equal(false);
        done();
      });
    });
    it('should broadcast a TX if complete', function(done) {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      sinon.spy(w, 'sendIndexes');
      sinon.spy(w, 'sendTxProposal');
      sinon.spy(w, 'issueTx');
      sinon.stub(w, 'requiresMultipleSignatures').returns(false);
      sinon.stub(w.blockchain, 'broadcast').yields(null, 1234);
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, id, status) {
        should.not.exist(err);
        should.exist(id);
        status.should.equal(Wallet.TX_BROADCASTED);
        w.blockchain.broadcast.calledOnce.should.equal(true);
        w.issueTx.calledOnce.should.equal(true);
        done();
      });
    });

    it('should return error if failing to send', function(done) {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      sinon.stub(w, 'requiresMultipleSignatures').returns(false);
      sinon.spy(w, 'sendIndexes');
      sinon.spy(w, 'sendTxProposal');
      sinon.stub(w, 'broadcastToBitcoinNetwork').yields('error');
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, id, status) {
        err.should.equal('error');
        w.sendTxProposal.calledOnce.should.equal(false);
        w.sendIndexes.calledOnce.should.equal(false);
        done();
      });
    });
    it('should send TxProposal', function(done) {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, ntxid) {
        w.sendTxProposal.bind(w).should.throw('Illegal Argument.');
        (function() {
          w.sendTxProposal(ntxid);
        }).should.not.throw();
        done();
      });
    });

    it('should send all TxProposal', function(done) {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, ntxid) {
        w.sendAllTxProposals.bind(w).should.not.throw();
        (function() {
          w.sendAllTxProposals();
        }).should.not.throw();
        done();
      });
    });


  });




  describe('#_updateTxProposalSent', function() {
    it('should call setSent', function(done) {
      var w = createW2(null, 1);
      var txp = {
        getId: sinon.stub().returns('1'),
        setSent: sinon.stub()
      };

      w._checkIfTxIsSent = sinon.stub().yields(null, '2');

      w._updateTxProposalSent(txp);
      txp.setSent.calledOnce.should.be.true;
      done();
    });
    it('should not call setSent', function(done) {
      var w = createW2(null, 1);
      var txp = {
        getId: sinon.stub().returns('1'),
        setSent: sinon.stub()
      };

      w._checkIfTxIsSent = sinon.stub().yields(null, null);

      w._updateTxProposalSent(txp);
      txp.setSent.calledOnce.should.be.false;
      done();
    });

    it('should not call setSent case 2', function(done) {
      var w = createW2(null, 1);
      var txp = {
        getId: sinon.stub().returns('1'),
        setSent: sinon.stub()
      };

      w._checkIfTxIsSent = sinon.stub().yields('error', null);

      w._updateTxProposalSent(txp, function(err) {
        err.should.be.equal('error');
        txp.setSent.calledOnce.should.be.false;
        done();
      });
    });
  });



  describe('#_doOnIndexes', function() {
    it('should call subscribeToAddresses', function() {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      var now = Date.now();
      var txp = w._createTxProposal(PP.outs[0].address, PP.outs[0].amountSatStr, 'hola', utxo);
      var indexes = [{
        index: 1
      }];
      w.subscribeToAddresses = sinon.stub().returns();
      w.emitAndKeepAlive = sinon.stub().returns();
      w.publicKeyRing.mergeIndexes = sinon.stub().returns(true);
      w.clearUnspentCache = sinon.stub();

      w._doOnIndexes(indexes, false);
      w.clearUnspentCache.calledOnce.should.be.true;
      w.subscribeToAddresses.calledOnce.should.be.true;
      w.emitAndKeepAlive.calledOnce.should.be.true;
    });

    it('should call subscribeToAddresses case 2', function() {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      var now = Date.now();
      var txp = w._createTxProposal(PP.outs[0].address, PP.outs[0].amountSatStr, 'hola', utxo);
      var indexes = [{
        index: 1
      }];
      w.subscribeToAddresses = sinon.stub().returns();
      w.emitAndKeepAlive = sinon.stub().returns();
      w.publicKeyRing.mergeIndexes = sinon.stub().returns(true);
      w.clearUnspentCache = sinon.stub();

      w._doOnIndexes(indexes, true);
      w.clearUnspentCache.calledOnce.should.be.false;
      w.subscribeToAddresses.calledOnce.should.be.true;
      w.emitAndKeepAlive.calledOnce.should.be.true;
    });


  });
  describe('#issueTx', function() {
    it('should broadcast a TX', function(done) {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      var now = Date.now();
      var txp = w._createTxProposal(PP.outs[0].address, PP.outs[0].amountSatStr, 'hola', utxo);
      var ntxid = w.txProposals.add(txp);
      sinon.stub(w.blockchain, 'broadcast').yields(null, 1234);

      w.issueTx(ntxid, function(err, txid, status) {
        should.not.exist(err);
        txp.getSent().should.be.above(now - 1);
        txp.sentTxid.should.be.equal(txid);
        txid.should.equal(1234);
        status.should.equal(Wallet.TX_BROADCASTED);
        done();
      });
    });

    it('should send Payment Messages on a PayPro payment', function(done) {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      var txp = w._createTxProposal(PP.outs[0].address, PP.outs[0].amountSatStr, 'hola', utxo);
      txp.paymentProtocolURL = PP.merchant_data.request_url;
      txp.addMerchantData(PP.merchant_data);
      var ntxid = w.txProposals.add(txp);
      var success = sinon.stub().yields('paymentACK123').returns({
        error: sinon.stub(),
      });

      sinon.stub(w.blockchain, 'broadcast').yields(null, 1234);
      sinon.stub(w.httpUtil, 'request').returns({
        success: success,
      });
      sinon.stub(w, 'onPayProPaymentAck');


      w.issueTx(ntxid, function(err, txid, status) {
        should.not.exist(err);
        txid.should.equal(1234);
        status.should.equal(Wallet.TX_BROADCASTED);
        w.httpUtil.request.calledOnce.should.equal(true);
        w.httpUtil.request.getCall(0).args[0].url.should.equal('url123');
        success.calledOnce.should.equal(true);
        w.onPayProPaymentAck.calledOnce.should.equal(true);
        w.onPayProPaymentAck.getCall(0).args[1].should.equal('paymentACK123');
        done();
      });
    });

    it('should fail to send incomplete transaction', function(done) {
      var w = createW2(null, 1);
      var utxo = createUTXO(w);
      var txp = w._createTxProposal(toAddress, amountSatStr + 0, 'hola', utxo);
      var ntxid = w.txProposals.add(txp);

      // Assign fake builder
      sinon.stub(txp.builder, 'build').returns({
        serialize: sinon.stub().returns('xxx'),
        isComplete: sinon.stub().returns(false),
      });
      (function() {
        w.issueTx(ntxid);
      }).should.throw('tx is not complete');
      done();
    });



  });


  describe('#_processTxProposalPayPro', function() {
    it('should return without error', function(done) {
      var w = cachedCreateW2();

      var utxos = [{
        txid: 'txid0',
        vout: 'vout1',
      }, {
        txid: 'txid0',
        vout: 'vout2',
      }];

      var txp = {
        ntxid: 'txid1',
        isPending: true,
        builder: {
          utxos: [utxos[0]],
        },
        paymentProtocolURL: null
      };
      txp.addMerchantData = sinon.spy();
      w.getTxProposals = sinon.stub().returns([txp]);
      w.blockchain.getUnspent = sinon.stub().yields(null, utxos);

      w._processTxProposalPayPro(txp, function(err) {
        should.not.exist(err);

        done();
      });
    });
    it('should call addMerchantData', function(done) {
      var w = cachedCreateW2();

      var utxos = [{
        txid: 'txid0',
        vout: 'vout1',
      }, {
        txid: 'txid0',
        vout: 'vout2',
      }];

      var txp = {
        ntxid: 'txid1',
        isPending: true,
        builder: {
          utxos: [utxos[0]],
        },
        paymentProtocolURL: 'http://mydomain.com'
      };
      txp.addMerchantData = sinon.spy();
      w.getTxProposals = sinon.stub().returns([txp]);
      w.blockchain.getUnspent = sinon.stub().yields(null, utxos);

      sinon.stub(w, 'fetchPaymentRequest').yields(null, {
        outs: [{
          address: 'n2Wz7KjyzBJVaNMBN88Lj1YUHMDZSAGeMV',
          amountSatStr: '123400',
        }],
        request_url: 'url',
        pr: {
          signature: '123',
        },
        total: '123400',
      });

      w._processTxProposalPayPro(txp, function(err) {
        should.not.exist(err);

        txp.addMerchantData.calledOnce.should.be.true;
        done();
      });
    });
  });

  describe('#fetchPaymentRequest', function() {
    it('should fetch a payment request', function(done) {
      var w = cachedCreateW2();
      sinon.stub(w, 'parsePaymentRequest').returns({
        hola: 1
      });
      var opts = {
        a: 1,
        url: 'http://xxx',
      };

      var rawData = 'wqer';
      var e = sinon.stub();
      e.error = sinon.stub();

      var s = sinon.stub();
      s.success = sinon.stub().yields(rawData).returns(e);

      sinon.stub(w.httpUtil, 'request').returns(s);

      w.fetchPaymentRequest(opts, function(err, merchantData) {
        should.not.exist(err);
        should.exist(merchantData);
        w.parsePaymentRequest.firstCall.args.should.deep.equal([opts, rawData]);
        done();
      });
    });

    it('should return error on fetch error', function(done) {
      var w = cachedCreateW2();
      var opts = {
        a: 1,
        url: 'http://xxx',
      };

      var rawData = 'wqer';
      var e = sinon.stub();
      e.error = sinon.stub().yields(null, 'status');

      var s = sinon.stub();
      s.success = sinon.stub().returns(e);
      sinon.stub(w.httpUtil, 'request').returns(s);
      w.fetchPaymentRequest(opts, function(err, merchantData) {
        err.toString().should.contain('status');
        done();
      });
    });

  });

  // TODO parsePaymentRequest should have more tests,
  // PP.getRequest should be parametrizable
  describe('#parsePaymentRequest', function() {
    it('should parse a Payment Request', function() {
      var now = Date.now() / 1000;
      var w = cachedCreateW2();
      var opts = {
        url: 'http://xxx',
      };
      var data = PP.getRequest();
      var md = w.parsePaymentRequest(opts, data);
      md.outs.should.deep.equal(PP.outs);
      md.request_url.should.equal(opts.url);
      md.pr.untrusted.should.equal(true);
      md.expires.should.be.above(now);
    });
  });

  describe('#spend', function() {
    it('should fail if insight server is down', function(done) {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      sinon.stub(w, 'getUnspent').yields('error', null);
      w.spend({
        toAddress: toAddress,
        amountSat: amountSatStr,
      }, function(err, ntxid) {
        err.message.should.contain('UTXOs');
        done();
      });
    });


    it('should fail with broken PayPro', function(done) {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      sinon.stub(w, 'fetchPaymentRequest').yields('error');
      w.spend({
        url: 'test',
      }, function(err, ntxid) {
        should.exist(err);
        done();
      });
    });


    it('should create a TX with PayPro', function(done) {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      w.blockchain.fixUnspent(utxo);
      sinon.stub(w, 'fetchPaymentRequest').yields(null, {
        outs: [{
          address: 'n2Wz7KjyzBJVaNMBN88Lj1YUHMDZSAGeMV',
          amountSatStr: '123400',
        }],
        request_url: 'url',
        pr: {
          signature: '123',
        },
        total: '123400',
      });
      w.spend({
        url: 'test',
      }, function(err, ntxid) {
        should.not.exist(err);
        done();
      });
    });
  });

  describe.skip('removeTxWithSpentInputs', function() {
    var w;
    var utxos;
    beforeEach(function() {
      w = cachedCreateW2();
      w.txProposals.deleteOne = sinon.spy();
      utxos = [{
        txid: 'txid0',
        vout: 'vout1',
      }, {
        txid: 'txid0',
        vout: 'vout2',
      }];
    });
    it('should remove pending TxProposal with spent inputs', function(done) {
      var txp = {
        ntxid: 'txid1',
        isPending: true,
        builder: {
          utxos: [utxos[0]],
        }
      };
      w.getTxProposals = sinon.stub().returns([txp]);
      w.blockchain.getUnspent = sinon.stub().yields(null, utxos);
      w.removeTxWithSpentInputs(function() {
        w.txProposals.deleteOne.called.should.be.false;
        w.blockchain.getUnspent = sinon.stub().yields(null, []);
        w.removeTxWithSpentInputs(function() {
          w.txProposals.deleteOne.calledWith('txid1').should.be.true;
          done();
        });
      });
    });

    it('should remove pending TxProposal with at least 1 spent input', function(done) {
      var txp = {
        ntxid: 'txid1',
        isPending: true,
        builder: {
          utxos: utxos,
        }
      };
      w.getTxProposals = sinon.stub().returns([txp]);
      w.blockchain.getUnspent = sinon.stub().yields(null, utxos);
      w.removeTxWithSpentInputs(function() {
        w.txProposals.deleteOne.called.should.be.false;
        w.blockchain.getUnspent = sinon.stub().yields(null, [utxos[0]]);
        w.removeTxWithSpentInputs(function() {
          w.txProposals.deleteOne.calledWith('txid1').should.be.true;
          done();
        });
      });
    });

    it('should not remove complete TxProposal', function(done) {
      var txp = {
        ntxid: 'txid1',
        isPending: false,
        builder: {
          utxos: [utxos[0]],
        }
      };
      w.getTxProposals = sinon.stub().returns([txp]);
      w.blockchain.getUnspent = sinon.stub().yields(null, utxos);
      w.removeTxWithSpentInputs(function() {
        w.txProposals.deleteOne.called.should.be.false;
        w.blockchain.getUnspent = sinon.stub().yields(null, []);
        w.removeTxWithSpentInputs(function() {
          w.txProposals.deleteOne.called.should.be.false;
          done();
        });
      });
    });
  });

  describe('#subscribeToAddresses', function() {
    it('should subscribe successfully', function() {
      var w = cachedCreateW2();
      var addr2 = w.generateAddress().toString();
      var addr3 = w.generateAddress(true).toString();

      w.blockchain.subscribe = sinon.spy();
      w.subscribeToAddresses();
      w.blockchain.subscribe.calledOnce.should.equal(true);
      var arg = w.blockchain.subscribe.getCall(0).args[0];
      _.intersection(arg, [addr2, addr3]).length.should.be.equal(2);
    });
  });

  describe('#estimatedFee', function() {
    it('should calculate estimated fee', function() {
      var COIN = 100000000;
      Wallet.estimatedFee(1).should.equal(0.0001 * COIN);
      Wallet.estimatedFee(2).should.equal(0.0001 * COIN);
      Wallet.estimatedFee(3).should.equal(0.0002 * COIN);
      Wallet.estimatedFee(1000).should.equal(0.0245 * COIN);
    });
  });


  describe('#getStorageKey', function() {
    it('should return storage key', function() {
      var w = cachedCreateW2();
      var r = w.getStorageKey();
      r.should.not.be.undefined;
    });
  });

  describe('#seedCopayer', function() {
    it('should set copayerId', function() {
      var w = cachedCreateW2();
      w.seedCopayer('abcd');
      w.seededCopayerId.should.be.equal('abcd');
    });
  });






  describe('#_sendToPeers', function() {
    it('should call this.network.send', function() {
      var w = cachedCreateW2();
      var save = w.network.send;
      w.network.send = sinon.spy();
      w._sendToPeers(null, {
        type: 'hola'
      });
      w.network.send.calledOnce.should.equal(true);
      w.network.send = save;
    });
  });

  describe('#indexDiscovery', function() {
    var ADDRESSES_CHANGE, ADDRESSES_RECEIVE, w;

    before(function() {
      w = cachedCreateW2();
      ADDRESSES_CHANGE = w.deriveAddresses(0, 20, true, 0);
      ADDRESSES_RECEIVE = w.deriveAddresses(0, 20, false, 0);
    });

    var mockFakeActivity = function(f) {
      w.blockchain.getActivity = function(addresses, cb) {
        var activity = new Array(addresses.length);
        for (var i = 0; i < addresses.length; i++) {
          var a1 = ADDRESSES_CHANGE.indexOf(addresses[i]);
          var a2 = ADDRESSES_RECEIVE.indexOf(addresses[i]);
          activity[i] = f(Math.max(a1, a2));
        }
        cb(null, activity);
      }
    }

    it('#indexDiscovery should work without found activities', function(done) {
      mockFakeActivity(function(index) {
        return false;
      });
      w.indexDiscovery(0, false, 0, 5, function(e, lastActive) {
        lastActive.should.equal(-1);
        done();
      });
    });

    it('#indexDiscovery should continue scanning', function(done) {
      mockFakeActivity(function(index) {
        return index <= 7;
      });
      w.indexDiscovery(0, false, 0, 5, function(e, lastActive) {
        lastActive.should.equal(7);
        done();
      });
    });

    it('#indexDiscovery should not found beyond the scannWindow', function(done) {
      mockFakeActivity(function(index) {
        return index <= 10 || index == 17;
      });
      w.indexDiscovery(0, false, 0, 5, function(e, lastActive) {
        lastActive.should.equal(10);
        done();
      });
    });

    it('#indexDiscovery should look for activity along the scannWindow', function(done) {
      mockFakeActivity(function(index) {
        return index <= 14 && index % 2 == 0;
      });
      w.indexDiscovery(0, false, 0, 5, function(e, lastActive) {
        lastActive.should.equal(14);
        done();
      });
    });

    it('#updateIndexes should update correctly', function(done) {
      mockFakeActivity(function(index) {
        return index <= 14 && index % 2 == 0;
      });

      var updateIndex = sinon.stub(w, 'updateIndex', function(i, cb) {
        cb();
      });

      w.updateIndexes(function(err) {
        // check updated all indexes
        var cosignersChecked = []
        updateIndex.args.forEach(function(i) {
          cosignersChecked.indexOf(i[0].copayerIndex).should.equal(-1);
          cosignersChecked.push(i[0].copayerIndex);
        });

        sinon.assert.callCount(updateIndex, 4);
        sinon.assert.calledWith(updateIndex, w.publicKeyRing.indexes[0]);
        sinon.assert.calledWith(updateIndex, w.publicKeyRing.indexes[1]);
        sinon.assert.calledWith(updateIndex, w.publicKeyRing.indexes[2]);
        w.updateIndex.restore();
        done();
      });
    });

    it('#updateIndex should update correctly', function(done) {
      mockFakeActivity(function(index) {
        return index <= 14 && index % 2 == 0;
      });


      var indexDiscovery = sinon.stub(w, 'indexDiscovery', function(a, b, c, d, cb) {
        cb(null, 8);
      });
      var index = {
        changeIndex: 1,
        receiveIndex: 2,
        copayerIndex: 2,
      }
      w.updateIndex(index, function(err) {
        index.receiveIndex.should.equal(9);
        index.changeIndex.should.equal(9);
        indexDiscovery.callCount.should.equal(2);
        sinon.assert.calledWith(indexDiscovery, 1, true, 2, 20);
        sinon.assert.calledWith(indexDiscovery, 2, false, 2, 20);
        w.indexDiscovery.restore();
        done();
      });
    });


    it.skip('#updateIndexes should store wallet', function(done) {
      mockFakeActivity(function(index) {
        return index <= 14 && index % 2 == 0;
      });
      var indexDiscovery = sinon.stub(w, 'indexDiscovery', function(a, b, c, d, cb) {
        cb(null, 8);
      });
      var spyStore = sinon.spy(w, 'emitAndKeepAlive');
      w.updateIndexes(function(err) {
        sinon.assert.callCount(spyStore, 1);
        done();
      });
    });

  });

  it('#deriveAddresses', function(done) {
    var w = cachedCreateW2();
    var addresses1 = w.deriveAddresses(0, 5, false, 0);
    var addresses2 = w.deriveAddresses(4, 5, false, 0);

    addresses1.length.should.equal(5);
    addresses2.length.should.equal(5);

    addresses1[4].should.equal(addresses2[0]);
    done();
  });

  describe('#AddressBook', function() {
    var contacts = [{
      label: 'Charles',
      address: '2N8pJWpXCAxmNLHKVEhz3TtTcYCtHd43xWU ',
    }, {
      label: 'Linda',
      address: '2N4Zq92goYGrf5J4F4SZZq7jnPYbCiyRYT2 ',
    }];

    it('should create new entry for address book', function() {
      var w = createW();
      contacts.forEach(function(c) {
        w.setAddressBook(c.address, c.label);
      });
      Object.keys(w.addressBook).length.should.equal(4);
    });

    it('should fail if create a duplicate address', function() {
      var w = createW();
      w.setAddressBook(contacts[0].address, contacts[0].label);
      (function() {
        w.setAddressBook(contacts[0].address, contacts[0].label);
      }).should.
      throw();
    });

    it('should show/hide everywhere', function() {
      var w = createW();
      var key = '2NFR2kzH9NUdp8vsXTB4wWQtTtzhpKxsyoJ';
      w.toggleAddressBookEntry(key);
      w.addressBook[key].hidden.should.equal(true);
      w.toggleAddressBookEntry(key);
      w.addressBook[key].hidden.should.equal(false);
      (function() {
        w.toggleAddressBookEntry();
      }).should.throw();
    });

    it('handle network addressBook correctly', function() {
      var w = createW();

      var data = {
        type: "addressbook",
        addressBook: {
          "3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z": {
            copayerId: "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb",
            createdTs: 1404769393509,
            hidden: false,
            label: "adsf",
            dummy: 'foo',
          }
        },
        walletId: "11d23e638ed84c06",
        isBroadcast: 1
      };

      var senderId = "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb";

      Object.keys(w.addressBook).length.should.equal(2);
      w._onAddressBook(senderId, data, true);
      Object.keys(w.addressBook).length.should.equal(3);
      should.exist(w.addressBook['3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z'].createdTs);
      should.not.exist(w.addressBook['3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z'].dummy);
    });
  });

  it('#getNetworkName', function() {
    var w = createW();
    w.getNetworkName().should.equal('testnet');
  });

  describe('#getMyCopayerId', function() {
    it('should call getCopayerId', function() {
      var w = cachedCreateW2();
      w.getCopayerId = sinon.spy();
      w.getMyCopayerId();
      w.getCopayerId.calledOnce.should.equal(true);
    });
  });

  describe('#getMyCopayerIdPriv', function() {
    it('should call privateKey.getIdPriv', function() {
      var w = cachedCreateW2();
      w.privateKey.getIdPriv = sinon.spy();
      w.getMyCopayerIdPriv();
      w.privateKey.getIdPriv.calledOnce.should.equal(true);
    });
  });

  describe('#getMyCopayerNickname', function() {
    it('should call publicKeyRing.nicknameForCopayer', function() {
      var w = cachedCreateW2();
      w.publicKeyRing.nicknameForCopayer = sinon.spy();
      w.getMyCopayerNickname();
      w.publicKeyRing.nicknameForCopayer.calledOnce.should.equal(true);
    });
  });



  describe('#changeSettings', function() {
    it('should call emitAndKeepAlive', function() {
      var w = cachedCreateW2();
      w.emitAndKeepAlive = sinon.spy();
      var settings = {
        unitName: 'bits',
        unitToSatoshi: 100,
        alternativeName: 'US Dollar',
        alternativeIsoCode: 'USD',
      };
      w.changeSettings(settings);
      w.emitAndKeepAlive.calledOnce.should.equal(true);
      w.emitAndKeepAlive.getCall(0).args[0].should.equal('settingsUpdated');
    });
  });


  describe('#_onNoMessages', function() {
    it('should call sendWalletReady', function() {
      var w = cachedCreateW2();
      w.sendWalletReady = sinon.spy();
      w._onNoMessages();
      w.sendWalletReady.calledOnce.should.equal(true);
    });
    it('should not call sendWalletReady', function() {
      var w = cachedCreateW2();
      w.sendWalletReady = sinon.spy();
      w.isComplete = sinon.stub().returns(false);
      w._onNoMessages();
      w.sendWalletReady.calledOnce.should.equal(false);
    });
  });

  describe('#netStart', function() {
    it('should call Network.start', function() {
      var w = cachedCreateW2();
      w.network.start = sinon.spy();
      w.netStart();
      w.network.start.calledOnce.should.equal(true);
    });

    it('should call Network.start with a private key', function() {
      var w = cachedCreateW2();
      w.network.start = sinon.spy();
      w.netStart();
      w.network.start.getCall(0).args[0].privkey.length.should.equal(64);
    });

    it('should call subscribeToAddresses', function() {
      var w = cachedCreateW2();

      w.blockchain.on = sinon.stub();
      w.subscribeToAddresses = sinon.spy();
      w.netStart();
      w.subscribeToAddresses.calledOnce.should.equal(true);
    });
  });

  describe('_getPubkeyToCopayerMap', function() {
    var w = cachedCreateW();

    it('should set keymap', function() {
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys').returns({
        '123': 'juan'
      });
      var txp = {
        getSignersPubKeys: sinon.stub().returns([
          ['123']
        ]),
        inputChainPaths: ['/m/1'],
      };
      var map = w._getPubkeyToCopayerMap(txp);
      //console.log('[Wallet.js.1526:map:]', map); //TODO
      Object.keys(map).length.should.equal(1);
      map['123'].should.equal('juan');
      stub.restore();
    });

    it('should throw if unmatched sigs', function() {
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return {};
      });
      var txp = {
        getSignersPubKeys: sinon.stub().returns([
          ['123']
        ]),
        inputChainPaths: ['/m/1'],
      };
      (function() {
        w._getPubkeyToCopayerMap(txp);
      }).should.throw('does not match known copayers');
      stub.restore();
    });

    it('should throw if unmatched sigs (case 2)', function() {
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return {};
      });
      var txp = {
        getSignersPubKeys: sinon.stub().returns([
          ['234', '321'],
          ['234', '322']
        ]),
        inputChainPaths: ['/m/1'],
      };
      (function() {
        w._getPubkeyToCopayerMap(txp);
      }).should.throw('does not match known copayers');
      stub.restore();
    });

    it('should set keymap with multiple signatures', function() {
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return {
          '123': 'juan',
          '234': 'pepe',
        };
      });
      var txp = {
        getSignersPubKeys: sinon.stub().returns([
          ['234', '321'],
        ]),
        inputChainPaths: ['/m/1'],
      };
      var map = w._getPubkeyToCopayerMap(txp);
      Object.keys(map).length.should.equal(2);
      map['123'].should.equal('juan');
      map['234'].should.equal('pepe');
      stub.restore();
    });

    it('should throw if one inputs has missing sigs', function() {
      var call = 0;
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return call++ ? {
          '555': 'pepe',
        } : {
          '123': 'juan',
          '234': 'pepe',
        };
      });
      var txp = {
        getSignersPubKeys: sinon.stub().returns([
          ['234', '123'],
          ['555']
        ]),

        _inputSigners: [],
        inputChainPaths: ['/m/1'],
      };
      (function() {
        w._getPubkeyToCopayerMap(txp);
      }).should.throw('different sig');
      stub.restore();
    });


    it('should throw if one inputs has different sigs', function() {
      var call = 0;
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return call++ ? {
          '555': 'pepe',
          '666': 'pedro',
        } : {
          '123': 'juan',
          '234': 'pepe',
        };
      });
      var txp = {
        getSignersPubKeys: sinon.stub().returns([
          ['234', '123'],
          ['555', '666'],
        ]),
        inputChainPaths: ['/m/1'],
      };
      (function() {
        w._getPubkeyToCopayerMap(txp);
      }).should.throw('different sig');
      stub.restore();
    });


    it('should not throw if 2 inputs has different pubs, same copayers', function() {
      var call = 0;
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return call++ ? {
          '555': 'pepe',
          '666': 'pedro',
        } : {
          '123': 'pedro',
          '234': 'pepe',
        };
      });
      var txp = {
        getSignersPubKeys: sinon.stub().returns([
          ['234', '123'],
          ['555', '666']
        ]),
        inputChainPaths: ['/m/1'],
      };
      var gk = w._getPubkeyToCopayerMap(txp);
      gk.should.deep.equal({
        '123': 'pedro',
        '234': 'pepe',
        '555': 'pepe',
        '666': 'pedro'
      });
      stub.restore();
    });
  });


  describe('_onPublicKeyRing', function() {
    var w, data, txp, pkr;
    beforeEach(function() {
      w = cachedCreateW();
      pkr = '{"walletId":"0a903a2eb33793d1","networkName":"testnet","requiredCopayers":2,"totalCopayers":2,"indexes":[{"copayerIndex":2147483647,"changeIndex":0,"receiveIndex":1},{"copayerIndex":0,"changeIndex":39,"receiveIndex":0},{"copayerIndex":1,"changeIndex":102,"receiveIndex":39}],"copayersExtPubKeys":["tpubD9peJo88ArhgmJNqRkQmhHt4zAGTYVowsHrDj385xyXyMy4RhWZpV5Qx2mMDUVzpbAD5V9jci5D7cZaHhjLYP8gEkngmTKtSF4Y7V3qkAsy","tpubD8udwzKWwNUgoE2WG7LYsXKf5m1eRtJ1Etp43vnoxViFmrmZ1ND2CkdqGyQtuidcN1CiqdBUvbKegbdsMQaj5VLY2hbA4LEnLDrqkgSzikz"],"nicknameFor":{"03338b105850c7126f1f5b0439b357765b17ead8eed15bcdfdbd28d0e3915b696f":"5@queparece","0286b376d65cc4af0de5932fb8299cbef2ca9ed37ec9fdb0edfd4e9cb74eac45da":"4@queparece"}}';
    });

    it('should fail wrong nr copayers PublicKeyRing', function() {
      var spy = sinon.spy(console, 'warn');
      w._onPublicKeyRing('sender', {
        publicKeyRing: JSON.parse(pkr),
      });
      spy.getCall(0).args[1].toString().should.contain('mismatch');
      spy.restore();
    });
    it('should receive and send PKR', function() {
      var obj = JSON.parse(pkr);

      sinon.stub(w.network, 'send').returns();

      obj.requiredCopayers = 3;
      obj.totalCopayers = 5;
      w._onPublicKeyRing('sender', {
        publicKeyRing: obj,
      });
      w.network.send.calledOnce.should.equal(true);
      should.not.exist(w.network.send.getCall(0).args[0])
      var o = w.network.send.getCall(0).args[1];
      _.isObject(o).should.equal(true);
      o.type.should.equal('publicKeyRing');
    });

    // For some unknown reason this test times out on 
    // the Travis server, so we skip it for now.
    it.skip('should lock incomming connections', function() {
      var obj = JSON.parse(pkr);
      sinon.stub(w.network, 'send').returns();
      sinon.stub(w.network, 'lockIncommingConnections').returns();

      obj.requiredCopayers = 3;
      obj.totalCopayers = 5;
      var s = sinon.stub(w.publicKeyRing, 'isComplete');
      s.returns(true);

      w._onPublicKeyRing('sender', {
        publicKeyRing: obj,
      });
      w.network.send.calledOnce.should.equal(false); // wasComplete
      w.network.lockIncommingConnections.calledOnce.should.equal(true);
    });
  });

  describe('_onTxProposal', function() {
    var w, data, txp;
    beforeEach(function() {
      w = cachedCreateW();
      data = {
        txProposal: {
          dummy: 1,
          builderObj: {
            dummy: 1,
          },
        },
      };
      txp = {
        getId: sinon.stub().returns('ntxid'),
        getSeen: sinon.stub().returns(false),
        setSeen: sinon.spy(),
        setCopayers: sinon.spy(),
        builder: {
          build: sinon.stub().returns({
            isComplete: sinon.stub().returns(false),
          }),
        },
      };

      sinon.stub(w, '_processIncomingNewTxProposal').yields(null);
      sinon.stub(w.txProposals, 'get').returns(null);
      sinon.stub(w.txProposals, 'deleteOne');
      sinon.stub(w, '_txProposalFromUntrustedObj').returns(txp);
      sinon.stub(w, '_getPubkeyToCopayerMap');
    });

    afterEach(function() {});

    it('should handle corrupt message', function() {
      w._txProposalFromUntrustedObj.throws('error');
      w._onTxProposal('senderID', data);
      w._processIncomingNewTxProposal.called.should.equal(false);
    });

    it('should ignore localTx', function() {
      w.txProposals.get = sinon.stub().returns(txp);
      w._txProposalFromUntrustedObj.throws('error');
      w._onTxProposal('senderID', data);
      w._processIncomingNewTxProposal.called.should.equal(false);
    });

    it('should accept a new valid TXP', function(done) {
      w.txProposals.get = sinon.stub().returns(null);
      w.on('txProposalEvent', function(e) {
        e.type.should.equal(Wallet.TX_NEW);
        w._processIncomingNewTxProposal.called.should.equal(true);
        w._getPubkeyToCopayerMap.called.should.equal(true);
        done();
      })
      w._onTxProposal('senderID', data);
    });


    it('should ignore is a TXP arrived 2 times', function(done) {
      w.txProposals.get = sinon.stub().returns(null);
      var secondCall = false;
      w.on('txProposalEvent', function(e) {
        e.type.should.equal(Wallet.TX_NEW);
        w._processIncomingNewTxProposal.calledOnce.should.equal(true);
        w._getPubkeyToCopayerMap.called.should.equal(true);
        w._onTxProposal('senderID', data);
        w._processIncomingNewTxProposal.calledOnce.should.equal(true);
        done();
      })
      w._onTxProposal('senderID', data);
    });



    it('should handle a real txp correctly', function(done) {
      w._txProposalFromUntrustedObj.restore();
      w._getPubkeyToCopayerMap.restore();
      var txp = {
        'txProposal': {
          inputChainPaths: ['m/1'],
          builderObj: {
            version: 1,
            outs: [{
              address: '15q6HKjWHAksHcH91JW23BJEuzZgFwydBt',
              amountSatStr: '123456789'
            }],
            utxos: [{
              address: '2N6fdPg2QL7V36XKe7a8wkkA5HCy7fNYmZF',
              scriptPubKey: 'a91493372782bab70f4eefdefefea8ece0df44f9596887',
              txid: '2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1',
              vout: 1,
              amount: 10,
              confirmations: 7
            }],
            opts: {
              remainderOut: {
                address: '2N7BLvdrxJ4YzDtb3hfgt6CMY5rrw5kNT1H'
              }
            },
            scriptSig: ['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'],
            hashToScriptMap: {
              '2N6fdPg2QL7V36XKe7a8wkkA5HCy7fNYmZF': '5321027445ab3a935dce7aee1dadb0d103ed6147a0f83deb80474a04538b2c5bc4d5092102ab32ba51402a139873aeb919c738f5a945f3956f8f8c6ba296677bd29e85d7e821036f119b72e09f76c11ebe2cf754d64eac2cb42c9e623455d54aaa89d70c11f9c82103bcbd3f8ab2c849ea9eae434733cee8b75120d26233def56011b3682ca12081d72103f37f81dc534163b9f73ecf36b91e6c3fb8ae370c24618f91bb1d972e86ceeee255ae'
            }
          }
        }
      };

      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys').returns({
        '027445ab3a935dce7aee1dadb0d103ed6147a0f83deb80474a04538b2c5bc4d509': 'pepe'
      });
      w.on('txProposalEvent', function(e) {
        Object.keys(w.txProposals.txps).length.should.equal(1);
        done();
      });
      w._onTxProposal('senderID', txp, true);
    });
  });




  describe('_processIncomingNewTxProposal', function(done) {
    it('should return an error', function(done) {
      var w = cachedCreateW2();
      var txp = {
        getId: sinon.stub().returns('1')
      };

      w._processTxProposalPayPro = sinon.stub().yields('error');
      w._processIncomingNewTxProposal(txp, function(err) {
        err.should.be.equal('error');
        done();
      });
    });

    it('should call _updateTxProposalSent', function(done) {
      var w = cachedCreateW2();
      var tx = {
        isComplete: sinon.stub().returns(true)
      };

      var txp = {
        getId: sinon.stub().returns('1'),
        builder: {
          build: sinon.stub().returns(tx)
        },
        getSent: sinon.stub().returns(false)
      };

      w._updateTxProposalSent = sinon.stub().returns();
      w._processTxProposalPayPro = sinon.stub().yields(null);
      w._processIncomingNewTxProposal(txp, function(err) {
        expect(err).to.be.undefined;
        w._updateTxProposalSent.calledOnce.should.be.true;
        done();
      });
    });
  });


  describe('_onSignature', function() {
    var w, data, txp;
    beforeEach(function() {
      w = cachedCreateW2();
    });

    afterEach(function() {});

    it('should handle corrupt message', function() {
      w._onSignature('senderID', 'sigs');
    });

    it('should sign a txp', function(done) {
      var utxo = createUTXO(w);
      var txp = w._createTxProposal(PP.outs[0].address, PP.outs[0].amountSatStr, 'hola', utxo);
      var ntxid = w.txProposals.add(txp);
      sinon.stub(w.blockchain, 'broadcast').yields(null, 1234);
      data = {
        ntxid: ntxid,
        signatures: [1],
      }
      sinon.stub(w.txProposals, 'get').returns(txp);
      sinon.stub(txp, '_addSignatureAndVerify').returns();

      w.on('txProposalEvent', function(e) {
        e.type.should.equal(Wallet.TX_SIGNED);
        done();
      })
      w._onSignature('senderID', data);
    });

  });


  describe('_checkIfTxIsSent', function() {
    it('should call the blockchain ', function(done) {
      var w = cachedCreateW2();
      var utxo = createUTXO(w);
      var txp = w._createTxProposal(PP.outs[0].address, PP.outs[0].amountSatStr, 'hola', utxo);
      var ntxid = w.txProposals.add(txp);
      sinon.stub(w.blockchain, 'broadcast').yields(null, 1234);
      var data = {
        ntxid: ntxid,
        signatures: [1],
      }
      sinon.stub(w.txProposals, 'get').returns(txp);
      sinon.stub(txp, '_addSignatureAndVerify').returns();

      sinon.stub(w.blockchain, 'getTransaction').yields(null, null);


      w.on('txProposalEvent', function(e) {
        e.type.should.equal(Wallet.TX_SIGNED);
        w._checkIfTxIsSent(txp, function() {
          w.blockchain.getTransaction.called.should.equal(true);
          done();
        });
      })
      w._onSignature('senderID', data);

    });
  });

  describe('_onReject', function() {
    it('should do nothing on unknown tx', function() {
      var w = cachedCreateW();
      var spy1 = sinon.spy(w, 'emitAndKeepAlive');
      w._onReject(1, {
        ntxid: 1
      }, 1);
      spy1.called.should.equal(false);
    });
    it('should fail to reject a signed tx', function() {
      var w = cachedCreateW();
      w.txProposals.txps['qwerty'] = {
        signedBy: {
          john: 1
        }
      };
      (function() {
        w._onReject('john', {
          ntxid: 'qwerty'
        }, 1);
      }).should.throw('already signed');
    });
    it('should reject a tx', function() {
      var w = cachedCreateW();

      function txp() {
        this.ok = 0;
        this.signedBy = {};
      };
      txp.prototype.setRejected = function() {
        this.ok = 1;
      };
      txp.prototype.toObj = function() {};

      var spy1 = sinon.spy(w, 'emitAndKeepAlive');
      var spy2 = sinon.spy(w, 'emit');
      w.txProposals.txps['qwerty'] = new txp();
      w.txProposals.txps['qwerty'].ok.should.equal(0);
      spy2.callCount.should.equal(0);
      w._onReject('john', {
        ntxid: 'qwerty'
      }, 1);
      w.txProposals.txps['qwerty'].ok.should.equal(1);
      spy1.calledOnce.should.equal(true);
      spy2.callCount.should.equal(1);
      spy2.firstCall.args.should.deep.equal(['txProposalEvent', {
        type: Wallet.TX_REJECTED,
        cId: 'john',
        txId: 'qwerty',
      }]);
    });
  });



  describe('_setTxProposalSeen', function() {
    it('should call sendSeen', function() {
      var w = cachedCreateW();

      var txp = {
        getSeen: sinon.stub().returns(false),
        setSeen: sinon.stub(),
        getId: sinon.stub().returns('1'),
      };

      var spy1 = sinon.spy(w, 'sendSeen');
      w._setTxProposalSeen(txp);
      spy1.called.should.equal(true);
    });
    it('should not call sendSeen', function() {
      var w = cachedCreateW();

      var txp = {
        getSeen: sinon.stub().returns(true),
        setSeen: sinon.stub(),
        getId: sinon.stub().returns('1'),
      };

      var spy1 = sinon.spy(w, 'sendSeen');
      w._setTxProposalSeen(txp);
      spy1.called.should.equal(false);
    });
  });

  describe('_onSeen', function() {
    it('should do nothing on unknown tx', function() {
      var w = cachedCreateW();
      var spy1 = sinon.spy(w, 'emitAndKeepAlive');
      w._onReject(1, {
        ntxid: 1
      }, 1);
      spy1.called.should.equal(false);
    });
    it('should set seen a tx', function() {
      var w = cachedCreateW();

      function txp() {
        this.ok = 0;
        this.signedBy = {};
      };
      txp.prototype.setSeen = function() {
        this.ok = 1;
      };
      txp.prototype.toObj = function() {};

      var spy2 = sinon.spy(w, 'emitAndKeepAlive');
      w.txProposals.txps['qwerty'] = new txp();
      w.txProposals.txps['qwerty'].ok.should.equal(0);
      w._onSeen('john', {
        ntxid: 'qwerty'
      }, 1);
      w.txProposals.txps['qwerty'].ok.should.equal(1);
      spy2.callCount.should.equal(1);
      spy2.firstCall.args.should.deep.equal(['txProposalEvent', {
        type: Wallet.TX_SEEN,
        cId: 'john',
        txId: 'qwerty',
      }]);
    });
  });

  it('getNetwork', function() {
    var w = cachedCreateW();
    var n = w.getNetwork();
    n.maxPeers.should.equal(5);
    should.exist(n.networkNonce);
  });


  describe('sendMesages', function() {
    var w, txp;
    beforeEach(function() {
      w = createW2(null, 1);
      var utxo = createUTXO(w);
      txp = w._createTxProposal(
        '2MtP8WyiwG7ZdVWM96CVsk2M1N8zyfiVQsY',
        '123456789',
        null,
        utxo
      );
    });

    it('should be able to sendReject', function() {
      w.sendReject(txp.getId());
      w.network.send.calledOnce.should.equal(true);
      var payload = w.network.send.getCall(0).args[1];
      payload.type.should.equal('reject');
      payload.walletId.should.equal(w.id);
      payload.ntxid.should.equal(txp.getId());
    });


    it('should be able to sendSend', function() {
      w.sendSeen(txp.getId());
      w.network.send.calledOnce.should.equal(true);
      var payload = w.network.send.getCall(0).args[1];
      payload.type.should.equal('seen');
      payload.walletId.should.equal(w.id);
      payload.ntxid.should.equal(txp.getId());
    });

    it('should be able to sendTxProposal', function() {
      w.txProposals.add(txp);
      w.sendTxProposal(txp.getId());
      w.network.send.calledOnce.should.equal(true);
      var payload = w.network.send.getCall(0).args[1];
      payload.type.should.equal('txProposal');
      payload.walletId.should.equal(w.id);
      payload.txProposal.should.deep.equal(txp.toObjTrim());
    });
    it('should be able to sendAllTxProposals', function() {
      w.txProposals.add(txp);
      w.sendAllTxProposals();
      w.network.send.calledOnce.should.equal(true);
      var payload = w.network.send.getCall(0).args[1];
      payload.type.should.equal('txProposal');
      payload.walletId.should.equal(w.id);
      payload.txProposal.should.deep.equal(txp.toObjTrim());
    });
    it('should be able to sendAllTxProposals since ', function() {
      w.txProposals.add(txp);
      w.sendAllTxProposals(null, txp.createdTs);
      w.network.send.calledOnce.should.equal(true);
      var payload = w.network.send.getCall(0).args[1];
      payload.type.should.equal('txProposal');
      payload.walletId.should.equal(w.id);
      payload.txProposal.should.deep.equal(txp.toObjTrim());
    });
    it('should be able to sendSignature', function() {
      w.txProposals.add(txp);
      w.sendSignature(txp.getId());
      w.network.send.calledOnce.should.equal(true);
      var payload = w.network.send.getCall(0).args[1];
      payload.type.should.equal('signature');
      payload.walletId.should.equal(w.id);
      payload.signatures.length.should.equal(1);
      var sig = new Buffer(payload.signatures[0], 'hex');
      sig.length.should.be.above(70);
      sig.length.should.be.below(74);
    });
  });

  describe('#obtainNetworkName', function() {
    it('should return the networkname', function() {
      Wallet.obtainNetworkName({
        networkName: 'testnet',
      }).should.equal('testnet');
      Wallet.obtainNetworkName({
        opts: {
          networkName: 'testnet'
        }
      }).should.equal('testnet');
      Wallet.obtainNetworkName({
        publicKeyRing: {
          networkName: 'testnet'
        }
      }).should.equal('testnet');

      Wallet.obtainNetworkName({
        privateKey: {
          networkName: 'testnet'
        }
      }).should.equal('testnet');
    });
  });



  it('should emit notification when tx received', function() {
    var w = cachedCreateW2();

    var addr1 = w.generateAddress(false);
    sinon.stub(w, 'subscribeToAddresses');

    w.blockchain.removeAllListeners = sinon.stub();
    w.blockchain.on = sinon.stub();

    w.blockchain.on.withArgs('tx').yields({
      address: addr1,
    });

    var spy = sinon.spy(w, 'emit');
    w._setupBlockchainHandlers();
    spy.calledWith('tx', addr1, false).should.equal(true);
  });

  it('should emit notification when tx received (change addr)', function() {
    var w = cachedCreateW2();

    var addr1 = w.generateAddress(true);
    sinon.stub(w, 'subscribeToAddresses');

    w.blockchain.removeAllListeners = sinon.stub();
    w.blockchain.on = sinon.stub();

    w.blockchain.on.withArgs('tx').yields({
      address: addr1,
    });

    var spy = sinon.spy(w, 'emit');
    w._setupBlockchainHandlers();
    spy.calledWith('tx', addr1, true).should.equal(true);
  });

  describe('#fromObj / #toObj', function() {
    var network = new Network(walletConfig.network);
    var blockchain = new Blockchain(walletConfig.blockchain);

    it('Import backup using old copayerIndex', function() {

      var w = Wallet.fromObj(JSON.parse(o), {
        blockchainOpts: {},
        networkOpts: {},
      });

      should.exist(w);
      w.id.should.equal("dbfe10c3fae71cea");
      should.exist(w.publicKeyRing.getCopayerId);
      should.exist(w.txProposals.toObj());
      should.exist(w.privateKey.toObj());
      assertObjectEqual(w.toObj(), JSON.parse(o));
    });

    it('#fromObj, skipping fields', function() {
      var w = Wallet.fromObj(JSON.parse(o), {
        networkOpts: {},
        blockchainOpts: {},
        skipFields: ['publicKeyRing'],
      });

      should.exist(w);
      w.id.should.equal("dbfe10c3fae71cea");
      should.exist(w.publicKeyRing.getCopayerId);
      should.exist(w.txProposals.toObj());
      should.exist(w.privateKey.toObj());
      (function() {
        assertObjectEqual(w.toObj(), JSON.parse(o))
      }).should.throw();
    });

    it('support old index schema: #fromObj #toObj round trip', function() {
      var o = '{"opts":{"id":"dbfe10c3fae71cea","spendUnconfirmed":1,"requiredCopayers":3,"totalCopayers":5,"version":"0.0.5"},"networkNonce":"0000000000000001","networkNonces":[],"publicKeyRing":{"walletId":"dbfe10c3fae71cea","networkName":"testnet","requiredCopayers":3,"totalCopayers":5,"indexes":{"changeIndex":0,"receiveIndex":0},"copayersExtPubKeys":["tpubD6NzVbkrYhZ4YGK8ZhZ8WVeBXNAAoTYjjpw9twCPiNGrGQYFktP3iVQkKmZNiFnUcAFMJRxJVJF6Nq9MDv2kiRceExJaHFbxUCGUiRhmy97","tpubD6NzVbkrYhZ4YKGDJkzWdQsQV3AcFemaQKiwNhV4RL8FHnBFvinidGdQtP8RKj3h34E65RkdtxjrggZYqsEwJ8RhhN2zz9VrjLnrnwbXYNc","tpubD6NzVbkrYhZ4YkDiewjb32Pp3Sz9WK2jpp37KnL7RCrHAyPpnLfgdfRnTdpn6DTWmPS7niywfgWiT42aJb1J6CjWVNmkgsMCxuw7j9DaGKB","tpubD6NzVbkrYhZ4XEtUAz4UUTWbprewbLTaMhR8NUvSJUEAh4Sidxr6rRPFdqqVRR73btKf13wUjds2i8vVCNo8sbKrAnyoTr3o5Y6QSbboQjk","tpubD6NzVbkrYhZ4Yj9AAt6xUVuGPVd8jXCrEE6V2wp7U3PFh8jYYvVad31b4VUXEYXzSnkco4fktu8r4icBsB2t3pCR3WnhVLedY2hxGcPFLKD"],"nicknameFor":{}},"txProposals":{"txps":[],"walletId":"dbfe10c3fae71cea","networkName":"testnet"},"privateKey":{"extendedPrivateKeyString":"tprv8ZgxMBicQKsPeoHLg3tY75z4xLeEe8MqAXLNcRA6J6UTRvHV8VZTXznt9eoTmSk1fwSrwZtMhY3XkNsceJ14h6sCXHSWinRqMSSbY8tfhHi","networkName":"testnet"},"addressBook":{}}';
      var o2 = '{"opts":{"id":"dbfe10c3fae71cea","spendUnconfirmed":1,"requiredCopayers":3,"totalCopayers":5,"version":"0.0.5","networkName":"testnet"},"networkNonce":"0000000000000001","networkNonces":[],"publicKeyRing":{"walletId":"dbfe10c3fae71cea","networkName":"testnet","requiredCopayers":3,"totalCopayers":5,"indexes":[{"copayerIndex":2147483647,"changeIndex":0,"receiveIndex":0},{"copayerIndex":0,"changeIndex":0,"receiveIndex":0},{"copayerIndex":1,"changeIndex":0,"receiveIndex":0},{"copayerIndex":2,"changeIndex":0,"receiveIndex":0},{"copayerIndex":3,"changeIndex":0,"receiveIndex":0},{"copayerIndex":4,"changeIndex":0,"receiveIndex":0}],"copayersExtPubKeys":["tpubD6NzVbkrYhZ4YGK8ZhZ8WVeBXNAAoTYjjpw9twCPiNGrGQYFktP3iVQkKmZNiFnUcAFMJRxJVJF6Nq9MDv2kiRceExJaHFbxUCGUiRhmy97","tpubD6NzVbkrYhZ4YKGDJkzWdQsQV3AcFemaQKiwNhV4RL8FHnBFvinidGdQtP8RKj3h34E65RkdtxjrggZYqsEwJ8RhhN2zz9VrjLnrnwbXYNc","tpubD6NzVbkrYhZ4YkDiewjb32Pp3Sz9WK2jpp37KnL7RCrHAyPpnLfgdfRnTdpn6DTWmPS7niywfgWiT42aJb1J6CjWVNmkgsMCxuw7j9DaGKB","tpubD6NzVbkrYhZ4XEtUAz4UUTWbprewbLTaMhR8NUvSJUEAh4Sidxr6rRPFdqqVRR73btKf13wUjds2i8vVCNo8sbKrAnyoTr3o5Y6QSbboQjk","tpubD6NzVbkrYhZ4Yj9AAt6xUVuGPVd8jXCrEE6V2wp7U3PFh8jYYvVad31b4VUXEYXzSnkco4fktu8r4icBsB2t3pCR3WnhVLedY2hxGcPFLKD"],"nicknameFor":{}},"txProposals":{"txps":[],"walletId":"dbfe10c3fae71cea","networkName":"testnet"},"privateKey":{"extendedPrivateKeyString":"tprv8ZgxMBicQKsPeoHLg3tY75z4xLeEe8MqAXLNcRA6J6UTRvHV8VZTXznt9eoTmSk1fwSrwZtMhY3XkNsceJ14h6sCXHSWinRqMSSbY8tfhHi","networkName":"testnet"},"addressBook":{}}';

      var w = Wallet.fromObj(JSON.parse(o), {
        networkOpts: {},
        blockchainOpts: {},
      });

      should.exist(w);
      w.id.should.equal("dbfe10c3fae71cea");
      should.exist(w.publicKeyRing.getCopayerId);
      should.exist(w.txProposals.toObj);
      should.exist(w.privateKey.toObj);

      var obj = w.toObj();

      // remove data from new versions
      delete obj.publicKeyRing['cache'];

      assertObjectEqual(obj, JSON.parse(o2));
    });
  });

  describe('#getTransactionHistory', function() {
    var w;
    beforeEach(function() {
      w = cachedCreateW2();
    });
    afterEach(function() {
      if (w.publicKeyRing.addressIsOwn.restore)
        w.publicKeyRing.addressIsOwn.restore();
      if (w.publicKeyRing.addressIsChange.restore)
        w.publicKeyRing.addressIsChange.restore();
    });

    it('should return list of txs', function(done) {
      var txs = [{
        vin: [{
          addr: 'addr_in_1',
          valueSat: 1000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_1'],
          },
          value: '0.00000900',
        }],
        fees: 0.00000100
      }, {
        vin: [{
          addr: 'addr_in_2',
          valueSat: 2000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_2'],
          },
          value: '0.00001900',
        }],
        fees: 0.00000100
      }, {
        vin: [{
          addr: 'addr_in_1',
          valueSat: 3000

        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_2'],
          },
          value: '0.00002900',

        }],
        fees: 0.00000100
      }];

      w.blockchain.getTransactions = sinon.stub().yields(null, {
        items: txs,
        totalItems: txs.length,
      });

      sinon.stub(w, 'getAddresses').returns(['addr_in_1', 'addr_out_2']);
      var s = sinon.stub(w.publicKeyRing, 'addressIsOwn');
      s.withArgs('addr_in_1').returns(true);
      s.withArgs('addr_in_2').returns(false);
      s.withArgs('addr_out_2').returns(true);


      var s2 = sinon.stub(w.publicKeyRing, 'addressIsChange');
      s2.withArgs('addr_out_1').returns(false);
      s2.withArgs('addr_out_2').returns(false);

      w.getTransactionHistory(function(err, res) {
        res.should.exist;
        res.items.should.exist;
        var items = res.items;
        items.length.should.equal(3);
        items[0].action.should.equal('sent');
        items[0].amountSat.should.equal(900);
        items[1].action.should.equal('received');
        items[1].amountSat.should.equal(1900);
        items[2].action.should.equal('moved');
        items[2].amountSat.should.equal(2900);
        done();
      });
    });
    it('should return paginated list of txs', function(done) {
      var txs = [{
        txid: 'id1',
        vin: [{
          addr: 'addr_in_1',
          valueSat: 1000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_1'],
          },
          value: '0.00000900',
        }],
        fees: 0.00000100
      }, {
        txid: 'id2',
        vin: [{
          addr: 'addr_in_2',
          valueSat: 2000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_2'],
          },
          value: '0.00001900',
        }],
        fees: 0.00000100
      }, {
        txid: 'id3',
        vin: [{
          addr: 'addr_in_1',
          valueSat: 3000

        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_2'],
          },
          value: '0.00002900',

        }],
        fees: 0.00000100
      }];

      w.blockchain.getTransactions = sinon.stub().yields(null, {
        items: txs.slice(2, 3),
        totalItems: txs.length,
      });

      w.getTransactionHistory({
        currentPage: 2,
        itemsPerPage: 2
      }, function(err, res) {
        res.should.exist;
        res.nbItems.should.equal(3);
        res.nbPages.should.equal(2);
        res.currentPage.should.equal(2);
        res.items.should.exist;
        res.items.length.should.equal(1);
        res.items[0].txid.should.equal('id3');
        done();
      });
    });
    it('should paginate empty list', function(done) {
      var txs = [];
      w.blockchain.getTransactions = sinon.stub().yields(null, {
        items: txs,
        totalItems: txs.length,
      });

      w.getTransactionHistory({
        currentPage: 2,
        itemsPerPage: 2
      }, function(err, res) {
        res.should.exist;
        res.nbItems.should.equal(0);
        res.nbPages.should.equal(0);
        res.items.should.exist;
        res.items.length.should.equal(0);
        done();
      });
    });
    it('should compute sent amount correctly', function(done) {
      var txs = [{
        vin: [{
          addr: 'addr_in_1',
          valueSat: 3000
        }, {
          addr: 'addr_in_2',
          valueSat: 2000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_1'],
          },
          value: '0.00003900',
        }, {
          scriptPubKey: {
            addresses: ['change'],
          },
          value: '0.00001000',
        }],
        fees: 0.00000100
      }];

      w.blockchain.getTransactions = sinon.stub().yields(null, {
        items: txs,
        totalItems: txs.length,
      });


      sinon.stub(w, 'getAddresses').returns(['addr_in_1', 'addr_in_2', 'change']);
      var s = sinon.stub(w.publicKeyRing, 'addressIsOwn');
      s.withArgs('addr_in_1').returns(true);
      s.withArgs('addr_in_2').returns(true);
      s.withArgs('change').returns(true);

      var s2 = sinon.stub(w.publicKeyRing, 'addressIsChange');
      s2.withArgs('addr_out_2').returns(false);
      s2.withArgs('change').returns(true);

      w.getTransactionHistory(function(err, res) {
        res.should.exist;
        res.items.should.exist;
        var items = res.items;
        items[0].action.should.equal('sent');
        items[0].amountSat.should.equal(3900);
        done();
      });
    });
    it('should compute moved amount correctly', function(done) {
      var txs = [{
        vin: [{
          addr: 'addr_1',
          valueSat: 3000
        }, {
          addr: 'addr_2',
          valueSat: 2000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_1'],
          },
          value: '0.00003900',
        }, {
          scriptPubKey: {
            addresses: ['change'],
          },
          value: '0.00001000',
        }],
        fees: 0.00000100
      }];

      w.blockchain.getTransactions = sinon.stub().yields(null, {
        items: txs,
        totalItems: txs.length,
      });

      sinon.stub(w, 'getAddresses').returns(['addr_in_1', 'addr_in_2', 'change']);
      var s = sinon.stub(w.publicKeyRing, 'addressIsOwn');
      s.withArgs('addr_1').returns(true);
      s.withArgs('addr_2').returns(true);
      s.withArgs('change').returns(true);

      var s2 = sinon.stub(w.publicKeyRing, 'addressIsChange');
      s2.withArgs('addr_1').returns(false);
      s2.withArgs('change').returns(true);

      w.getTransactionHistory(function(err, res) {
        res.should.exist;
        res.items.should.exist;
        var items = res.items;
        items[0].action.should.equal('moved');
        items[0].amountSat.should.equal(3900);
        done();
      });
    });
    it('should assign label when address in address book', function(done) {
      var txs = [{
        vin: [{
          addr: 'addr_in_1',
          valueSat: 3000
        }, {
          addr: 'addr_in_2',
          valueSat: 2000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_1'],
          },
          value: '0.00003900',
        }, {
          scriptPubKey: {
            addresses: ['change'],
          },
          value: '0.00001000',
        }],
        fees: 0.00000100
      }];

      w.blockchain.getTransactions = sinon.stub().yields(null, {
        items: txs,
        totalItems: txs.length,
      });

      w.addressBook = {
        'addr_out_1': {
          label: 'Address out one'
        },
      };

      w.getTransactionHistory(function(err, res) {
        res.should.exist;
        res.items.should.exist;
        res.items[0].labelTo.should.equal('Address out one');
        done();
      });
    });
    it('should assign comment from tx proposal if found', function(done) {
      var txs = [{
        txid: 'id1',
        vin: [{
          addr: 'addr_in_1',
          valueSat: 3000
        }, {
          addr: 'addr_in_2',
          valueSat: 2000
        }],
        vout: [{
          scriptPubKey: {
            addresses: ['addr_out_1'],
          },
          value: '0.00003900',
        }, {
          scriptPubKey: {
            addresses: ['change'],
          },
          value: '0.00001000',
        }],
        fees: 0.00000100
      }];

      w.blockchain.getTransactions = sinon.stub().yields(null, {
        items: txs,
        totalItems: txs.length,
      });

      w.txProposals.txps = [{
        sentTxid: 'id0',
        comment: 'My comment',
        rejectedBy: {},
        signedBy: {},
        seenBy: {},
      }, {
        sentTxid: 'id1',
        comment: 'Another comment',
        rejectedBy: {},
        signedBy: {},
        seenBy: {},
      }];
      w.getTransactionHistory(function(err, res) {
        res.should.exist;
        res.items.should.exist;
        res.items[0].comment.should.equal('Another comment');
        done();
      });
    });
  });

  // TODO
  describe.skip('#onPayProPaymentAck', function() {
    it('should emit', function() {
      var w = cachedCreateW2();
      sinon.stub(w, 'emitAndKeepAlive');
      w.onPayProPaymentAck('id', 'data');

      w.calledOnce.should.equal(true);
      w.getCall(0).args.should.deep.equal(['paymentACK', 'data']);
    });
  });

  describe.skip('#read', function() {
    var network, blockchain;

    beforeEach(function() {
      var s = function() {};
      network = new Network(walletConfig.network);
      blockchain = new Blockchain(walletConfig.blockchain);
    });


    it('should fail to read an unexisting wallet', function(done) {

      Wallet.read('123', {
        networkOpts: {},
        blockchainOpts: {},
      }, function(err, w) {
        err.toString().should.contain('WNOTFOUND');
        done();
      });
    });

    it('should not read a corrupted wallet', function(done) {

      Wallet.read('123', {
        networkOpts: {},
        blockchainOpts: {},
      }, function(err, w) {
        err.toString().should.contain('WERROR');
        done();
      });
    });

    it('should read a wallet', function(done) {
      Wallet.read('123', {
        networkOpts: {},
        blockchainOpts: {},
      }, function(err, w) {
        should.not.exist(err);
        done();
      });
    });

    it('should be able to import unencrypted legacy wallet TxProposal: v0', function(done) {
      Wallet.read('123', {
        networkOpts: {},
        blockchainOpts: {},
      }, function(err, w) {
        should.exist(w);
        w.id.should.equal('55d4bd062d32f90a');
        should.exist(w.publicKeyRing.getCopayerId);
        should.exist(w.txProposals.toObj());
        should.exist(w.privateKey.toObj());
        done();
      });
    });

    it('should be able to import simple 1-of-1 encrypted legacy testnet wallet', function(done) {

      Wallet.read('123', {
        networkOpts: {},
        blockchainOpts: {},
      }, function(err, w) {
        should.exist(w);
        w.isComplete().should.equal(true);
        var wo = w.toObj();
        wo.opts.id.should.equal('48ba2f1ffdfe9708');
        wo.opts.spendUnconfirmed.should.equal(true);
        wo.opts.requiredCopayers.should.equal(1);
        wo.opts.totalCopayers.should.equal(1);
        wo.opts.name.should.equal('pepe wallet');
        wo.opts.version.should.equal('0.4.7');
        wo.publicKeyRing.walletId.should.equal('48ba2f1ffdfe9708');
        wo.publicKeyRing.networkName.should.equal('testnet');
        wo.publicKeyRing.requiredCopayers.should.equal(1);
        wo.publicKeyRing.totalCopayers.should.equal(1);
        wo.publicKeyRing.indexes.length.should.equal(2);
        JSON.stringify(wo.publicKeyRing.indexes[0]).should.equal('{"copayerIndex":2147483647,"changeIndex":0,"receiveIndex":1}');
        JSON.stringify(wo.publicKeyRing.indexes[1]).should.equal('{"copayerIndex":0,"changeIndex":0,"receiveIndex":1}');
        wo.publicKeyRing.copayersExtPubKeys.length.should.equal(1);
        wo.publicKeyRing.copayersExtPubKeys[0].should.equal('tpubD9SGoP7CXsqSKTiQxCZSCpicDcophqnE4yuqjfw5M9tAR3fSjT9GDGwPEUFCN7SSmRKGDLZgKQePYFaLWyK32akeSan45TNTd8sgef9Ymh6');
        wo.privateKey.extendedPrivateKeyString.should.equal('tprv8ZgxMBicQKsPfQCscb7CtJKzixxcVSyrCVcfr3WCFbtT8kYTzNubhjQ5R7AuYJgPCcSH4R8T34YVxeohKGhAB9wbB4eFBbQFjUpjGCqptHm');
        wo.privateKey.networkName.should.equal('testnet');
        done();
      });
    });
  });



  var legacyO = '{"opts":{"id":"55d4bd062d32f90a","spendUnconfirmed":true,"requiredCopayers":2,"totalCopayers":2,"name":"xcvzxcv","version":"0.3.2"},"networkNonce":"53d25e8600000009","networkNonces":[],"publicKeyRing":{"walletId":"55d4bd062d32f90a","networkName":"testnet","requiredCopayers":2,"totalCopayers":2,"indexes":[{"copayerIndex":2147483647,"changeIndex":0,"receiveIndex":0},{"copayerIndex":0,"changeIndex":4,"receiveIndex":2},{"copayerIndex":1,"changeIndex":5,"receiveIndex":2}],"copayersExtPubKeys":["tpubD94LTzAUiW99mpA59nyf6fAHh4xKGmnwbgCV4gU2bRpeN9CRiMSurqme22px5NmJAo6FdcdH883Zu98VbqyhesCJ86kUEjH3Zpufy5FfcaC","tpubDA2U9H6LkRHDRbRxHBp4VTbxPc7JqsvtcLxrE5QJF8z1iT6hMJ1pXSVf57GWRcxXutYvpoXRurDVGsscJauMtnJBkYAWBVExYmm91XQE2zz"],"nicknameFor":{"02c7b87033e4357d8afc6ab7fe31fff054772ea6251f0d9c8a835b1c1ac74f6fba":"asdf","02b0c868a3889cd0cfc0e7fef9eaa6d85d7cf6f7573ae5c9d1d13645d22e2eb7e5":"qwerqw"},"publicKeysCache":{"m/0/0/0":["028a4b63f26253f3a8731577b8e1ee480950ad5833ebbf106fe3463bfc07cc3b90","0332efa054c08cb77506a35ee0762cb7156f244566703ec08e433568ec0397bec8"],"m/1/0/0":["0220ad514cf593d0c3905d3bb49bc5767a9410823bf9b77ea5ef2cf1d1016d77a8","02fd42cf66f1dbdc7bbb9ae09aecea72df479ffe5a0c4641301067e331d12e416d"],"m/1/0/1":["0315f7868eaf1f9b7127e3f7e0222c5e473eea003e34700f4758b6873c525d6723","02a2e8ed5e90dd39e3842fc790e06178997dbca319987f365317589e2a71a93658"],"m/0/1/0":["0244a25a0b97b26707fd855c15b046b901be85a3b70a781d0678608e633440eeca","0358cdcbc528ddfb7173b0dab283f702be82546ff031e4a832a7270080cb875959"],"m/0/1/1":["025c9b49bdf17d97bd82ea1b87793082f857247f0f9b999937a166ec994bb1b41f","020389327ee8ae7d0ee3f8187842d23a4070bdd8a27c0bcddd05d80ef39009253d"],"m/1/1/0":["02fd0e7c62b7b58d1ea7bb4cb84d53b019df99d3703a42aed73a2cfa15f3af5d08","0355a15912e76072ef50e6643376b8a9da8422ed4f8ea07b1d84d4989be5a39b2e"],"m/1/1/1":["03bc3e1f4db32efd8eb1fd44a1665938d59628429c67e1e8b7054ab5717f4e6750","03c4c817b633ac31f44f16f390af831d35f7d98744a52a0f23e9598967342255f8"],"m/1/1/2":["02826fe7e9da408480ddeb1d4414c5100b350f862ca718e27122681e1a0ca35077","02bd25af907bb3edbf6b2cd1ea90eaa92cc93ec47bea7d339af44c1d2c05708e99"],"m/0/1/2":["0337a1a70364b94745d6e26d2d28919cf528304f52765f12ef43e3d6da0a6c8dc0","039d83db9aa43e6e00e0304e6971b6079d79dc12d8d55ce2e6fc24a52ba8d41329"],"m/0/0/1":["0359c6d0d0d31f83301169901a6ffad9535f14014b5ab3b43561dbb2436a7b8138","037d06f713f13a11967fd5edca265ff4c77528693a712c482256505693e4890d93"],"m/1/1/3":["02600e5c41670773a213a4cb58c8f2fa3e83840784bc7f0b56925e1075e06632c2","036d01867af5f61371151ef7d9026fa0400a623f6924e404ee0b856625268972f9"],"m/0/1/3":["03e5a9b039b187ca8e065627df402e4a5b196b94198542da7036879de08be63d2d","0304f3e0b70f696d80e5785dc7747d6dcb55ba24c31f2d80bf184b4e582e6b47fc"],"m/1/1/4":["03741afa5bd50d6ba5801064c810fae84f6a4557d6a88ddc8591d0d4eb68a8fc41","0214dd6ce6073b05999fb887098ca6f7e1d0b4fdc0760557786907df353df90d1c"],"m/2147483647/1/0":["033e072a53ea835763a03c66e35c35384736210a1bb7d7ee6d9a3e109e82426b30","02e37b5570c053da8a8ee587be86fc629775c4db890aba2745ccc4e4dcc8c31041"],"m/2147483647/1/1":["0228a6de42ef421c263d1efd9f28d9a7d15a261995028a24eff6b9f1c3fc46e6bf","0226cff885cb0d607cc9cf69a7608316eb3fb2ec344c0c9956246ba776116fc396"],"m/2147483647/1/2":["034fe2a8f0b98445eb5810fe36572ad2f64ed9bf64dc9de624f99c0142cb07c682","02f2c5c758e32293f5c193fd69afadbba83abafb397db01e6f2b447690e900475a"],"m/2147483647/1/3":["02b25ef9434446c51f10678f787e4913de582e34d164bd3b06af7732c5476df1a8","025d51a1efd59bcff22ee2e0af61b21a7ba5f639e20dfdf25690e926005177dd0c"],"m/2147483647/1/4":["03e5734e1d29b2f684d0446b7a2ffbd0ba8952570a502d0d14b1efd8f24b61be53","0258fc28a324848d8d0154e8614815e35c668d274a8f01957bb99aab8dc8f386c0"],"m/2147483647/1/5":["021f9e775246765e1cfba0ae453b4eae6cd4ae5a57a09c319edbe89d4dbbf23be3","02857f66571a1c3eb9e72d22ae88e734c03d448bced4dcfd345c2059468124c741"],"m/2147483647/1/6":["02c072f329391a25255dc6452e5f5220966869dbf736ba8a8c3ae9d273a84bc3fd","030920a8b8e88c4db2871a7df0878a86cf0695f6d96bb50c701c3454f3df25176a"],"m/2147483647/1/7":["036bf329fc19bce10cf1999fae5bfa80290ff7b44776b49c7b0dc9eec6cffcfa21","03955a549875b



  var legacy1 = '{"opts":{"id":"48ba2f1ffdfe9708","spendUnconfirmed":true,"requiredCopayers":1,"totalCopayers":1,"name":"pepe wallet","version":"0.4.7"},"networkNonce":"5405f06b00000001","networkNonces":[],"publicKeyRing":{"walletId":"48ba2f1ffdfe9708","networkName":"testnet","requiredCopayers":1,"totalCopayers":1,"indexes":[{"copayerIndex":2147483647,"changeIndex":0,"receiveIndex":1},{"copayerIndex":0,"changeIndex":0,"receiveIndex":1}],"copayersExtPubKeys":["tpubD9SGoP7CXsqSKTiQxCZSCpicDcophqnE4yuqjfw5M9tAR3fSjT9GDGwPEUFCN7SSmRKGDLZgKQePYFaLWyK32akeSan45TNTd8sgef9Ymh6"],"nicknameFor":{}},"txProposals":{"txps":[],"walletId":"48ba2f1ffdfe9708","networkName":"testnet"},"privateKey":{"extendedPrivateKeyString":"tprv8ZgxMBicQKsPfQCscb7CtJKzixxcVSyrCVcfr3WCFbtT8kYTzNubhjQ5R7AuYJgPCcSH4R8T34YVxeohKGhAB9wbB4eFBbQFjUpjGCqptHm","networkName":"testnet"},"addressBook":{}}';


  // DATA
  var o = '{"opts":{"id":"dbfe10c3fae71cea", "spendUnconfirmed":1,"requiredCopayers":3,"totalCopayers":5,"version":"0.0.5","networkName":"testnet"},"networkNonce":"0000000000000001","networkNonces":[],"publicKeyRing":{ "cache": { "addressToPath": {}}, "walletId":"dbfe10c3fae71cea","networkName":"testnet","requiredCopayers":3,"totalCopayers":5,"indexes":[{"copayerIndex":2,"changeIndex":0,"receiveIndex":0}],"copayersExtPubKeys":["tpubD6NzVbkrYhZ4YGK8ZhZ8WVeBXNAAoTYjjpw9twCPiNGrGQYFktP3iVQkKmZNiFnUcAFMJRxJVJF6Nq9MDv2kiRceExJaHFbxUCGUiRhmy97","tpubD6NzVbkrYhZ4YKGDJkzWdQsQV3AcFemaQKiwNhV4RL8FHnBFvinidGdQtP8RKj3h34E65RkdtxjrggZYqsEwJ8RhhN2zz9VrjLnrnwbXYNc","tpubD6NzVbkrYhZ4YkDiewjb32Pp3Sz9WK2jpp37KnL7RCrHAyPpnLfgdfRnTdpn6DTWmPS7niywfgWiT42aJb1J6CjWVNmkgsMCxuw7j9DaGKB","tpubD6NzVbkrYhZ4XEtUAz4UUTWbprewbLTaMhR8NUvSJUEAh4Sidxr6rRPFdqqVRR73btKf13wUjds2i8vVCNo8sbKrAnyoTr3o5Y6QSbboQjk","tpubD6NzVbkrYhZ4Yj9AAt6xUVuGPVd8jXCrEE6V2wp7U3PFh8jYYvVad31b4VUXEYXzSnkco4fktu8r4icBsB2t3pCR3WnhVLedY2hxGcPFLKD"],"nicknameFor":{}},"txProposals":{"txps":[],"walletId":"dbfe10c3fae71cea","networkName":"testnet"},"privateKey":{"extendedPrivateKeyString":"tprv8ZgxMBicQKsPeoHLg3tY75z4xLeEe8MqAXLNcRA6J6UTRvHV8VZTXznt9eoTmSk1fwSrwZtMhY3XkNsceJ14h6sCXHSWinRqMSSbY8tfhHi","networkName":"testnet"},"addressBook":{},"settings":{"unitName":"BTC","unitToSatoshi":100000000,"unitDecimals":8,"alternativeName":"Argentine Peso","alternativeIsoCode":"ARS"}}';

});




var x509 = {
  priv: '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',
  pub: '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',
  der: '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',
  pem: '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'
};

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');

var PP = {};

PP.outs = [{
  address: 'mkYn9qmYwMZfovTb6cd7yCGeNozqUyyhK7',
  amountSatStr: '3000'
}];

PP.merchant_data = {
  request_url: 'url123',
  outs: PP.outs,
  total: PP.outs[0].amountSatStr,
  pr: {
    pd: {
      payment_url: 'url123'
    }
  }
};



PP.getRequest = function() {

  var uid = 0;

  var outputs = [];

  [2000, 1000].forEach(function(value) {
    var po = new PayPro();
    po = po.makeOutput();
    // number of satoshis to be paid
    po.set('amount', value);

    // TODO use bitcore / script!!
    // a TxOut script where the payment should be sent. similar to OP_CHECKSIG
    var addr = new bitcore.Address(PP.outs[0].address);
    po.set('script', addr.getScriptPubKey().getBuffer());
    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.');
  pd.set('payment_url', 'https://pay_url');
  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);

  return pr.serialize();
};
PP.processPayment = function(payment) {
  body = PayPro.Payment.decode(payment);
  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');

  // 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();

  transactions = transactions.map(function(tx) {
    tx.buffer = new Buffer(new Uint8Array(tx.buffer));
    tx.buffer = tx.buffer.slice(tx.offset, tx.limit);
    var ptx = new bitcore.Transaction();
    ptx.parse(tx.buffer);
    return ptx;
  });

  return ack;
};