copay/test/test.Wallet.js

'use strict';

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

var config = {
  requiredCopayers: 3,
  totalCopayers: 5,
  spendUnconfirmed: true,
  reconnectDelay: 100,
  networkName: 'testnet',
};

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

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

describe('Wallet model', function() {

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


  var createW = function(N, conf) {

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

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

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

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

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

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

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

    return new Wallet(c);
  }

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

  it('should create an instance', function() {
    var w = cachedCreateW();
    should.exist(w);
    w.publicKeyRing.walletId.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(done) {
    var opts = {};
    var w = cachedCreateW();
    addCopayers(w);
    w.publicKeyRing.generateAddress(false, w.publicKey);
    w.publicKeyRing.isComplete().should.equal(true);
    w.generateAddress(true).isValid().should.equal(true);
    w.generateAddress(true, function(addr) {
      addr.isValid().should.equal(true);
      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;
    }
    var w = Wallet.fromObj(cachedW2obj, cachedW2.storage, cachedW2.network, cachedW2.blockchain);
    return w;
  };

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

    var w = cachedCreateW2();

    unspentTest[0].address = w.publicKeyRing.getAddress(1, true).toString();
    unspentTest[0].scriptPubKey = w.publicKeyRing.getScriptPubKeyHex(1, true);

    var f = function() {
      var ntxid = w.createTxSync(
        '15q6HKjWHAksHcH91JW23BJEuzZgFwydBt',
        '123456789',
        null,
        unspentTest
      );
    };
    f.should.throw(Error);
  });

  it('#create, 1 sign', function() {

    var w = cachedCreateW2();

    unspentTest[0].address = w.publicKeyRing.getAddress(1, true, w.publicKey).toString();
    unspentTest[0].scriptPubKey = w.publicKeyRing.getScriptPubKeyHex(1, true, w.publicKey);

    var ntxid = w.createTxSync(
      'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
      '123456789',
      null,
      unspentTest
    );

    var t = w.txProposals;
    var txp = t.txps[ntxid];
    Object.keys(txp._inputSignatures).length.should.equal(1);
    var tx = txp.builder.build();
    should.exist(tx);
    chai.expect(txp.comment).to.be.null;
    tx.isComplete().should.equal(false);
    Object.keys(txp.seenBy).length.should.equal(1);
  });

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

    var w = cachedCreateW2();
    var comment = 'This is a comment';

    unspentTest[0].address = w.publicKeyRing.getAddress(1, true, w.publicKey).toString();
    unspentTest[0].scriptPubKey = w.publicKeyRing.getScriptPubKeyHex(1, true, w.publicKey);

    var ntxid = w.createTxSync(
      'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
      '123456789',
      comment,
      unspentTest
    );

    var t = w.txProposals;
    var txp = t.txps[ntxid];
    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';

    unspentTest[0].address = w.publicKeyRing.getAddress(1, true, w.publicKey).toString();
    unspentTest[0].scriptPubKey = w.publicKeyRing.getScriptPubKeyHex(1, true, w.publicKey);

    var badCreate = function() {
      w.createTxSync(
        'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
        '123456789',
        comment,
        unspentTest
      );
    }

    chai.expect(badCreate).to.throw(Error);
  });

  it('#addressIsOwn', function() {
    var w = cachedCreateW2();
    var l = w.getAddressesStr();
    for (var i = 0; i < l.length; i++)
    w.addressIsOwn(l[i]).should.equal(true);

    w.addressIsOwn(l[0], {
      excludeMain: true
    }).should.equal(false);

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

  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++) {
        unspentTest[0].address = w.publicKeyRing.getAddress(index, isChange, w.publicKey).toString();
        unspentTest[0].scriptPubKey = w.publicKeyRing.getScriptPubKeyHex(index, isChange, w.publicKey);
        w.createTxSync(
          'mgGJEugdPnvhmRuFdbdQcFfoFLc1XXeB79',
          '123456789',
          null,
          unspentTest
        );
        var t = w.txProposals;
        var k = Object.keys(t.txps)[0];
        var tx = t.txps[k].builder.build();
        should.exist(tx);
        tx.isComplete().should.equal(false);
        tx.countInputMissingSignatures(0).should.equal(2);

        (t.txps[k].signedBy[w.privateKey.getId()] - ts > 0).should.equal(true);
        (t.txps[k].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,
                            new Storage(config.storage),
                            new Network(config.network),
                            new Blockchain(config.blockchain));
                            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 sb = w.getSecret();
    should.exist(sb);
    var s = Wallet.decodeSecret(sb);
    s.pubKey.should.equal(id);

  });
  it('decodeSecret check', function() {
    (function() {
      Wallet.decodeSecret('4fp61K187CsYmjoRQC5iAdC5eGmbCRsAAXfwEwetSQgHvZs27eWKaLaNHRoKM');
    }).should.not.
      throw();
    (function() {
      Wallet.decodeSecret('4fp61K187CsYmjoRQC5iAdC5eGmbCRsAAXfwEwetSQgHvZs27eWKaLaNHRoK');
    }).should.
      throw();
    (function() {
      Wallet.decodeSecret('12345');
    }).should.
      throw();
  });

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

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

    w2.publicKeyRing.copayersBackup = ["a", "b", "c"];
    w2.publicKeyRing.isFullyBackup().should.equal(true);
    w2.isReady().should.equal(true);
  });

  it('handle network indexes correctly', function() {
    var w = createW();
    var aiObj = {
      indexes: [{
        copayerIndex: 0,
        changeIndex: 3,
        receiveIndex: 2
      }]
    };
    w._handleIndexes('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._handlePublicKeyRing('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]);
    }
  });

  it('handle network txProposals correctly', function() {
    var w = createW();
    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._handleTxProposal('senderID', txp, true);
    Object.keys(w.txProposals.txps).length.should.equal(1);
    w.getTxProposals().length.should.equal(1);
    //stub.restore();
  });

  var newId = '00bacacafe';
  it('handle new connections', function(done) {
    var w = createW();
    w.on('connect', function(id) {
      id.should.equal(newId);
      done();
    });
    w._handleConnect(newId);
  });

  it('handle disconnections', function(done) {
    var w = createW();
    w.on('disconnect', function(id) {
      id.should.equal(newId);
      done();
    });
    w._handleDisconnect(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(config));
    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(config));
    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.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();
    });
  });


  // tx handling

  var createUTXO = function(w) {
    var utxo = [{
      'txid': '0be0fb4579911be829e3077202e1ab47fcc12cf3ab8f8487ccceae768e1f95fa',
      'vout': 0,
      'ts': 1402323949,
      'amount': 25.0001,
      'confirmations': 10,
      'confirmationsFromCache': false
    }];
    var addr = w.generateAddress().toString();
    utxo[0].address = addr;
    utxo[0].scriptPubKey = (new bitcore.Address(addr)).getScriptPubKey().serialize().toString('hex');
    return utxo;
  };
  var toAddress = 'mjfAe7YrzFujFf8ub5aUrCaN5GfSABdqjh';
  var amountSatStr = '1000';

  it('should create transaction', function(done) {
    var w = cachedCreateW2();
    var utxo = createUTXO(w);
    w.blockchain.fixUnspent(utxo);
    w.createTx(toAddress, amountSatStr, null, function(ntxid) {
      ntxid.length.should.equal(64);
      done();
    });
  });
  it('should create & sign transaction from received funds', function(done) {
    var k2 = new PrivateKey({
      networkName: config.networkName
    });

    var w = createW2([k2]);
    var utxo = createUTXO(w);
    w.blockchain.fixUnspent(utxo);
    w.createTx(toAddress, amountSatStr, null, function(ntxid) {
      w.on('txProposalsUpdated', function() {
        w.getTxProposals()[0].signedByUs.should.equal(true);
        w.getTxProposals()[0].rejectedByUs.should.equal(false);
        done();
      });
      w.privateKey = k2;
      w.sign(ntxid, function(success) {
        success.should.equal(true);
      });
    });
  });
  it('should fail to reject a signed transaction', function() {
    var w = cachedCreateW2();
    var utxo = createUTXO(w);
    w.blockchain.fixUnspent(utxo);
    w.createTx(toAddress, amountSatStr, null, function(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.createTx(toAddress, amountSatStr, null, function(ntxid) {
      var s = sinon.stub(w, 'getMyCopayerId').returns('213');
      Object.keys(w.txProposals.get(ntxid).rejectedBy).length.should.equal(0);
      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 create & sign & send a transaction', function(done) {
    var w = createW2(null, 1);
    var utxo = createUTXO(w);
    w.blockchain.fixUnspent(utxo);
    w.createTx(toAddress, amountSatStr, null, function(ntxid) {
      w.sendTx(ntxid, function(txid) {
        txid.length.should.equal(64);
        done();
      });
    });
  });
  it('should send TxProposal', function(done) {
    var w = cachedCreateW2();
    var utxo = createUTXO(w);
    w.blockchain.fixUnspent(utxo);
    w.createTx(toAddress, amountSatStr, null, function(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.createTx(toAddress, amountSatStr, null, function(ntxid) {
      w.sendAllTxProposals.bind(w).should.not.throw();
      (function() {
        w.sendAllTxProposals();
      }).should.not.throw();
      done();
    });
  });

  describe('#send', function() {
    it('should call this.network.send', function() {
      var w = cachedCreateW2();
      var save = w.network.send;
      w.network.send = sinon.spy();
      w.send();
      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.checkActivity = 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('#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, 'store');
      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",
            signature: "3046022100d4cdefef66ab8cea26031d5df03a38fc9ec9b09b0fb31d3a26b6e204918e9e78022100ecdbbd889ec99ea1bfd471253487af07a7fa7c0ac6012ca56e10e66f335e4586"
          }
        },
        walletId: "11d23e638ed84c06",
        isBroadcast: 1
      };

      var senderId = "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb";

      Object.keys(w.addressBook).length.should.equal(2);
      w._handleAddressBook(senderId, data, true);
      Object.keys(w.addressBook).length.should.equal(3);
    });

    it('should return signed object', function() {
      var w = createW();
      var payload = {
        address: 'msj42CCGruhRsFrGATiUuh25dtxYtnpbTx',
        label: 'Faucet',
        copayerId: '026a55261b7c898fff760ebe14fd22a71892295f3b49e0ca66727bc0a0d7f94d03',
        createdTs: 1403102115
      };
      should.exist(w.signJson(payload));
    });

    it('should verify signed object', function() {
      var w = createW();

      var payload = {
        address: "3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z",
        label: "adsf",
        copayerId: "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb",
        createdTs: 1404769393509
      }

      var signature = "3046022100d4cdefef66ab8cea26031d5df03a38fc9ec9b09b0fb31d3a26b6e204918e9e78022100ecdbbd889ec99ea1bfd471253487af07a7fa7c0ac6012ca56e10e66f335e4586";

      var pubKey = "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb";

      w.verifySignedJson(pubKey, payload, signature).should.equal(true);
      payload.label = 'Another';
      w.verifySignedJson(pubKey, payload, signature).should.equal(false);
    });

    it('should verify signed addressbook entry', function() {
      var w = createW();
      var key = "3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z";
      var pubKey = "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb";
      w.addressBook[key] = {
        copayerId: pubKey,
        createdTs: 1404769393509,
        hidden: false,
        label: "adsf",
        signature: "3046022100d4cdefef66ab8cea26031d5df03a38fc9ec9b09b0fb31d3a26b6e204918e9e78022100ecdbbd889ec99ea1bfd471253487af07a7fa7c0ac6012ca56e10e66f335e4586"
      };

      w.verifyAddressbookEntry(w.addressBook[key], pubKey, key).should.equal(true);
      w.addressBook[key].label = 'Another';
      w.verifyAddressbookEntry(w.addressBook[key], pubKey, key).should.equal(false);
      (function() {
        w.verifyAddressbookEntry();
      }).should.throw();
    });

  });

  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('#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);
    });

  });

  describe('#forceNetwork in config', function() {
    it('should throw if network is different', function() {
      var backup = copayConfig.forceNetwork;
      copayConfig.forceNetwork = true;
      config.networkName = 'livenet';
      cachedCreateW2.should.throw(Error);
      copayConfig.forceNetwork = backup;
    });
  });
  describe('_getKeymap', function() {
    var w = cachedCreateW();

    it('should set keymap', function() {
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return {
          '123': 'juan'
        };
      });
      var txp = {
        _inputSignatures: [
          ['123']
        ],
        inputChainPaths: ['/m/1'],
      };
      var map = w._getKeyMap(txp);
      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 {
          '123': 'juan'
        };
      });
      var txp = {
        _inputSignatures: [
          ['234']
        ],
        inputChainPaths: ['/m/1'],
      };
      (function() {
        w._getKeyMap(txp);
      }).should.throw('dont match know 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 = {
        _inputSignatures: [
          ['234', '123']
        ],
        inputChainPaths: ['/m/1'],
      };
      var map = w._getKeyMap(txp);
      Object.keys(map).length.should.equal(2);
      map['123'].should.equal('juan');
      map['234'].should.equal('pepe');
      stub.restore();
    });

    it('should throw is one inputs has missing sigs', function() {
      var stub = sinon.stub(w.publicKeyRing, 'copayersForPubkeys', function() {
        return {
          '123': 'juan',
          '234': 'pepe',
        };
      });
      var txp = {
        _inputSignatures: [
          ['234', '123'],
          ['234']
        ],
        inputChainPaths: ['/m/1'],
      };
      (function() {
        w._getKeyMap(txp);
      }).should.throw('different sig');
      stub.restore();
    });
  });



  describe('_handleTxProposal', function() {
    var testValidate = function(response, result, done) {

      var w = cachedCreateW();
      var spy = sinon.spy();
      w.on('txProposalEvent', spy);
      w.on('txProposalEvent', function(e) {
        e.type.should.equal(result);
        done();
      });
      //      txp.prototype.getId = function() {return 'aa'};
      var txp = {
        dummy: 1
      };
      var txp = {
        'txProposal': txp
      };
      var merge = sinon.stub(w.txProposals, 'merge', function() {
        if (response == 0) throw new Error();
        return {
          newCopayer: ['juan'],
          ntxid: 1,
          new: response == 1
        };
      });

      w._handleTxProposal('senderID', txp);
      spy.callCount.should.equal(1);
      merge.restore();
    };

    it('should handle corrupt', function(done) {
      var result = 'corrupt';
      testValidate(0, result, done);
    });
    it('should handle new', function(done) {
      var result = 'new';
      testValidate(1, result, done);
    });
    it('should handle signed', function(done) {
      var result = 'signed';
      testValidate(2, result, done);
    });

  });


  describe('_handleReject', function() {
    it('should fails if unknown tx', function() {
      var w = cachedCreateW();
      (function() {
        w._handleReject(1, {
          ntxid: 1
        }, 1);
      }).should.throw('Unknown TXP');
    });
    it('should fail to reject a signed tx', function() {
      var w = cachedCreateW();
      w.txProposals.txps['qwerty'] = {
        signedBy: {
          john: 1
        }
      };
      (function() {
        w._handleReject('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, 'store');
      var spy2 = sinon.spy(w, 'emit');
      w.txProposals.txps['qwerty'] = new txp();
      w.txProposals.txps['qwerty'].ok.should.equal(0);
      w._handleReject('john', {
        ntxid: 'qwerty'
      }, 1);
      w.txProposals.txps['qwerty'].ok.should.equal(1);
      spy1.calledOnce.should.equal(true);
      spy2.callCount.should.equal(2);
      spy2.firstCall.args.should.deep.equal(['txProposalsUpdated']);
      spy2.secondCall.args.should.deep.equal(['txProposalEvent', {
        type: 'rejected',
        cId: 'john',
        txId: 'qwerty',
      }]);
    });
  });


  describe('_handleSeen', function() {
    it('should fails if unknown tx', function() {
      var w = cachedCreateW();
      (function() {
        w._handleReject(1, {
          ntxid: 1
        }, 1);
      }).should.throw('Unknown TXP');
    });
    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 spy1 = sinon.spy(w, 'store');
      var spy2 = sinon.spy(w, 'emit');
      w.txProposals.txps['qwerty'] = new txp();
      w.txProposals.txps['qwerty'].ok.should.equal(0);
      w._handleSeen('john', {
        ntxid: 'qwerty'
      }, 1);
      w.txProposals.txps['qwerty'].ok.should.equal(1);
      spy1.calledOnce.should.equal(true);
      spy2.callCount.should.equal(2);
      spy2.firstCall.args.should.deep.equal(['txProposalsUpdated']);
      spy2.secondCall.args.should.deep.equal(['txProposalEvent', {
        type: 'seen',
        cId: 'john',
        txId: 'qwerty',
      }]);
    });
  });

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

  it('#disconnect', function() {
    var w = cachedCreateW();
    var spy1 = sinon.spy(w.network, 'disconnect');
    w.disconnect();
    spy1.callCount.should.equal(1);
  });

});