471 lines
15 KiB
JavaScript
471 lines
15 KiB
JavaScript
'use strict';
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var should = require('chai').should();
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var sinon = require('sinon');
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var util = require('util');
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var EventEmitter = require('events').EventEmitter;
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var bitcore = require('bitcore');
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var Networks = bitcore.Networks;
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var blockData = require('./data/livenet-345003.json');
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var Block = require('../lib/block');
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var proxyquire = require('proxyquire');
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var chainlib = require('chainlib');
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var OriginalNode = chainlib.Node;
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var fs = require('fs');
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var bitcoinConfBuffer = fs.readFileSync(__dirname + '/data/bitcoin.conf');
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var chainHashes = require('./data/hashes.json');
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var BaseNode = function() {};
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util.inherits(BaseNode, EventEmitter);
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BaseNode.log = chainlib.log;
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BaseNode.prototype._loadConfiguration = sinon.spy();
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BaseNode.prototype._initialize = sinon.spy();
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chainlib.Node = BaseNode;
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var Node = proxyquire('../lib/node', {
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chainlib: chainlib,
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fs: {
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readFileSync: sinon.stub().returns(bitcoinConfBuffer)
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}
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});
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chainlib.Node = OriginalNode;
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describe('Bitcoind Node', function() {
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describe('#_loadConfiguration', function() {
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it('should call the necessary methods', function() {
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var node = new Node({});
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node._loadBitcoinConf = sinon.spy();
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node._loadBitcoind = sinon.spy();
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node._loadConfiguration({});
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node._loadBitcoind.called.should.equal(true);
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node._loadBitcoinConf.called.should.equal(true);
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BaseNode.prototype._loadConfiguration.called.should.equal(true);
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});
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});
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describe('#_loadBitcoinConf', function() {
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it('will parse a bitcoin.conf file', function() {
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var node = new Node({});
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node._loadBitcoinConf({datadir: '~/.bitcoin'});
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should.exist(node.bitcoinConfiguration);
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node.bitcoinConfiguration.should.deep.equal({
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server: 1,
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whitelist: '127.0.0.1',
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txindex: 1,
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port: 20000,
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rpcallowip: '127.0.0.1',
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rpcuser: 'bitcoin',
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rpcpassword: 'local321'
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});
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});
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});
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describe('#_loadBitcoind', function() {
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it('should initialize', function() {
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var node = new Node({});
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node._loadBitcoind({datadir: './test'});
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should.exist(node.bitcoind);
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});
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it('should initialize with testnet', function() {
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var node = new Node({});
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node._loadBitcoind({datadir: './test', testnet: true});
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should.exist(node.bitcoind);
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});
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});
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describe('#_syncBitcoindAncestor', function() {
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it('will find an ancestor 6 deep', function() {
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var node = new Node({});
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node.chain = {
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getHashes: function(tipHash, callback) {
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callback(null, chainHashes);
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},
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tip: {
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hash: chainHashes[chainHashes.length]
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}
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};
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var expectedAncestor = chainHashes[chainHashes.length - 6];
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var forkedBlocks = {
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'd7fa6f3d5b2fe35d711e6aca5530d311b8c6e45f588a65c642b8baf4b4441d82': {
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prevHash: '76d920dbd83beca9fa8b2f346d5c5a81fe4a350f4b355873008229b1e6f8701a'
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},
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'76d920dbd83beca9fa8b2f346d5c5a81fe4a350f4b355873008229b1e6f8701a': {
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prevHash: 'f0a0d76a628525243c8af7606ee364741ccd5881f0191bbe646c8a4b2853e60c'
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},
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'f0a0d76a628525243c8af7606ee364741ccd5881f0191bbe646c8a4b2853e60c': {
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prevHash: '2f72b809d5ccb750c501abfdfa8c4c4fad46b0b66c088f0568d4870d6f509c31'
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},
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'2f72b809d5ccb750c501abfdfa8c4c4fad46b0b66c088f0568d4870d6f509c31': {
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prevHash: 'adf66e6ae10bc28fc22bc963bf43e6b53ef4429269bdb65038927acfe66c5453'
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},
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'adf66e6ae10bc28fc22bc963bf43e6b53ef4429269bdb65038927acfe66c5453': {
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prevHash: '3ea12707e92eed024acf97c6680918acc72560ec7112cf70ac213fb8bb4fa618'
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},
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'3ea12707e92eed024acf97c6680918acc72560ec7112cf70ac213fb8bb4fa618': {
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prevHash: expectedAncestor
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},
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};
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node.bitcoind = {
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getBlockIndex: function(hash) {
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return forkedBlocks[hash];
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}
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};
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var block = forkedBlocks['d7fa6f3d5b2fe35d711e6aca5530d311b8c6e45f588a65c642b8baf4b4441d82'];
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node._syncBitcoindAncestor(block, function(err, ancestorHash) {
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if (err) {
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throw err;
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}
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ancestorHash.should.equal(expectedAncestor);
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});
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});
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});
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describe('#_syncBitcoindRewind', function() {
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it('will undo blocks 6 deep', function() {
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var node = new Node({});
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var ancestorHash = chainHashes[chainHashes.length - 6];
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node.chain = {
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tip: {
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__height: 10,
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hash: chainHashes[chainHashes.length],
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prevHash: chainHashes[chainHashes.length - 1]
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},
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saveMetadata: sinon.stub(),
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emit: sinon.stub()
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};
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node.getBlock = function(hash, callback) {
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setImmediate(function() {
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for(var i = chainHashes.length; i > 0; i--) {
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if (chainHashes[i] === hash) {
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callback(null, {
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hash: chainHashes[i],
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prevHash: chainHashes[i - 1]
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});
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}
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}
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});
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};
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node.db = {
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_onChainRemoveBlock: function(block, callback) {
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setImmediate(callback);
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}
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};
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node._syncBitcoindAncestor = function(block, callback) {
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setImmediate(function() {
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callback(null, ancestorHash);
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});
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};
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var forkedBlock = {};
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node._syncBitcoindRewind(forkedBlock, function(err) {
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if (err) {
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throw err;
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}
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node.chain.tip.__height.should.equal(4);
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node.chain.tip.hash.should.equal(ancestorHash);
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});
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});
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});
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describe('#_syncBitcoind', function() {
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it('will get and add block up to the tip height', function(done) {
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var node = new Node({});
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node.Block = Block;
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node.bitcoindHeight = 1;
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var blockBuffer = new Buffer(blockData);
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var block = Block.fromBuffer(blockBuffer);
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node.bitcoind = {
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getBlock: sinon.stub().callsArgWith(1, null, blockBuffer)
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};
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node.chain = {
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tip: {
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__height: 0,
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hash: block.prevHash
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},
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saveMetadata: sinon.stub(),
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emit: sinon.stub(),
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cache: {
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hashes: {}
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}
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};
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node.db = {
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_onChainAddBlock: function(block, callback) {
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node.chain.tip.__height += 1;
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callback();
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}
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};
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node.on('synced', function() {
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done();
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});
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node._syncBitcoind();
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});
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it('will exit and emit error with error from bitcoind.getBlock', function(done) {
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var node = new Node({});
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node.bitcoindHeight = 1;
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node.bitcoind = {
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getBlock: sinon.stub().callsArgWith(1, new Error('test error'))
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};
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node.chain = {
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tip: {
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__height: 0
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}
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};
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node.on('error', function(err) {
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err.message.should.equal('test error');
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done();
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});
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node._syncBitcoind();
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});
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});
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describe('#_loadNetwork', function() {
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it('should use the testnet network if testnet is specified', function() {
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var config = {
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network: 'testnet'
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};
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var node = new Node(config);
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node._loadNetwork(config);
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node.network.name.should.equal('testnet');
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});
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it('should use the regtest network if regtest is specified', function() {
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var config = {
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network: 'regtest'
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};
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var node = new Node(config);
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node._loadNetwork(config);
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node.network.name.should.equal('regtest');
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});
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it('should use the livenet network if nothing is specified', function() {
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var config = {};
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var node = new Node(config);
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node._loadNetwork(config);
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node.network.name.should.equal('livenet');
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});
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});
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describe('#_loadDB', function() {
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it('should load the db', function() {
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var DB = function(config) {
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config.path.should.equal(process.env.HOME + '/.bitcoin/bitcoindjs.db');
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};
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var config = {
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DB: DB,
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datadir: '~/.bitcoin'
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};
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var node = new Node(config);
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node.network = Networks.livenet;
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node._loadDB(config);
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node.db.should.be.instanceof(DB);
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});
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it('should load the db for testnet', function() {
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var DB = function(config) {
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config.path.should.equal(process.env.HOME + '/.bitcoin/testnet3/bitcoindjs.db');
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};
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var config = {
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DB: DB,
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datadir: '~/.bitcoin'
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};
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var node = new Node(config);
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node.network = Networks.testnet;
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node._loadDB(config);
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node.db.should.be.instanceof(DB);
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});
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it('error with unknown network', function() {
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var config = {
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datadir: '~/.bitcoin'
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};
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var node = new Node(config);
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node.network = 'not a network';
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(function() {
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node._loadDB(config);
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}).should.throw('Unknown network');
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});
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it('should load the db with regtest', function() {
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var DB = function(config) {
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config.path.should.equal(process.env.HOME + '/.bitcoin/regtest/bitcoindjs.db');
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};
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var config = {
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DB: DB,
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datadir: '~/.bitcoin'
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};
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var node = new Node(config);
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// Switch to use regtest
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Networks.remove(Networks.testnet);
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Networks.add({
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name: 'regtest',
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alias: 'regtest',
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pubkeyhash: 0x6f,
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privatekey: 0xef,
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scripthash: 0xc4,
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xpubkey: 0x043587cf,
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xprivkey: 0x04358394,
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networkMagic: 0xfabfb5da,
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port: 18444,
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dnsSeeds: [ ]
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});
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var regtest = Networks.get('regtest');
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node.network = regtest;
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node._loadDB(config);
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node.db.should.be.instanceof(DB);
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Networks.remove(regtest);
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// Add testnet back
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Networks.add({
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name: 'testnet',
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alias: 'testnet',
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pubkeyhash: 0x6f,
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privatekey: 0xef,
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scripthash: 0xc4,
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xpubkey: 0x043587cf,
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xprivkey: 0x04358394,
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networkMagic: 0x0b110907,
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port: 18333,
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dnsSeeds: [
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'testnet-seed.bitcoin.petertodd.org',
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'testnet-seed.bluematt.me',
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'testnet-seed.alexykot.me',
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'testnet-seed.bitcoin.schildbach.de'
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]
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});
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});
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});
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describe('#_loadConsensus', function() {
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var node = new Node({});
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it('should use the genesis specified in the config', function() {
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var config = {
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genesis: '0100000043497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000bac8b0fa927c0ac8234287e33c5f74d38d354820e24756ad709d7038fc5f31f020e7494dffff001d03e4b6720101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0e0420e7494d017f062f503253482fffffffff0100f2052a010000002321021aeaf2f8638a129a3156fbe7e5ef635226b0bafd495ff03afe2c843d7e3a4b51ac00000000'
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};
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node._loadConsensus(config);
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should.exist(node.chain);
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node.chain.genesis.hash.should.equal('00000000b873e79784647a6c82962c70d228557d24a747ea4d1b8bbe878e1206');
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});
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it('should use the testnet genesis if testnet is specified', function() {
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var config = {
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network: 'testnet'
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};
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node._loadConsensus(config);
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should.exist(node.chain);
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node.chain.genesis.hash.should.equal('000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943');
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});
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it('should use the livenet genesis if nothing is specified', function() {
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var config = {};
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node._loadConsensus(config);
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should.exist(node.chain);
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node.chain.genesis.hash.should.equal('000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f');
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});
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});
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describe('#_initializeBitcoind', function() {
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it('will call db.initialize() on ready event', function(done) {
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var node = new Node({});
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node.bitcoind = new EventEmitter();
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node.bitcoind.getInfo = sinon.stub().returns({blocks: 10});
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node.db = {
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initialize: sinon.spy()
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};
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sinon.stub(chainlib.log, 'info');
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node.bitcoind.on('ready', function() {
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setImmediate(function() {
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chainlib.log.info.callCount.should.equal(1);
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chainlib.log.info.restore();
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node.db.initialize.callCount.should.equal(1);
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node.bitcoindHeight.should.equal(10);
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done();
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});
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});
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node._initializeBitcoind();
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node.bitcoind.emit('ready');
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});
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it('will call emit an error from bitcoind.js', function(done) {
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var node = new Node({});
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node.bitcoind = new EventEmitter();
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node.on('error', function(err) {
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should.exist(err);
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err.message.should.equal('test error');
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done();
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});
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node._initializeBitcoind();
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node.bitcoind.emit('error', new Error('test error'));
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});
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});
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describe('#_initializeDatabase', function() {
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it('will call chain.initialize() on ready event', function(done) {
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var node = new Node({});
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node.db = new EventEmitter();
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node.chain = {
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initialize: sinon.spy()
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};
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sinon.stub(chainlib.log, 'info');
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node.db.on('ready', function() {
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setImmediate(function() {
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chainlib.log.info.callCount.should.equal(1);
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chainlib.log.info.restore();
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node.chain.initialize.callCount.should.equal(1);
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done();
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});
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});
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node._initializeDatabase();
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node.db.emit('ready');
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});
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it('will call emit an error from db', function(done) {
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var node = new Node({});
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node.db = new EventEmitter();
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node.on('error', function(err) {
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should.exist(err);
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err.message.should.equal('test error');
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done();
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});
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node._initializeDatabase();
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node.db.emit('error', new Error('test error'));
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});
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});
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describe('#_initializeChain', function() {
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it('will call emit an error from chain', function(done) {
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var node = new Node({});
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node.chain = new EventEmitter();
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node.on('error', function(err) {
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should.exist(err);
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err.message.should.equal('test error');
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done();
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});
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node._initializeChain();
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node.chain.emit('error', new Error('test error'));
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});
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});
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describe('#_initialize', function() {
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it('should initialize', function(done) {
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var node = new Node({});
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node.chain = {};
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node.Block = 'Block';
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node.bitcoind = 'bitcoind';
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node.db = {};
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node._initializeBitcoind = sinon.spy();
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node._initializeDatabase = sinon.spy();
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node._initializeChain = sinon.spy();
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node._initialize();
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// references
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node.db.chain.should.equal(node.chain);
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node.db.Block.should.equal(node.Block);
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node.db.bitcoind.should.equal(node.bitcoind);
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node.chain.db.should.equal(node.db);
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node.chain.db.should.equal(node.db);
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// events
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node._initializeBitcoind.callCount.should.equal(1);
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node._initializeDatabase.callCount.should.equal(1);
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node._initializeChain.callCount.should.equal(1);
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// start syncing
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node.setSyncStrategy = sinon.spy();
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node.on('ready', function() {
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done();
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});
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node.emit('ready');
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});
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});
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});
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