From 15fe096a072a99228ec524e956c6d27147a6f5f9 Mon Sep 17 00:00:00 2001
From: Chris Kleeschulte <chrisk@bitpay.com>
Date: Thu, 9 Nov 2017 11:42:57 -0500
Subject: [PATCH] wip on changing subsciption endpoints.

---
 lib/blocks.js            |   2 +-
 lib/index.js             |   8 +-
 regtest/block.js         | 586 +++++++++++++++++++--------------------
 regtest/subscriptions.js | 498 +++++++++++++++++++++++++++++++++
 4 files changed, 782 insertions(+), 312 deletions(-)
 create mode 100644 regtest/subscriptions.js

diff --git a/lib/blocks.js b/lib/blocks.js
index 89d6113..87b5c41 100644
--- a/lib/blocks.js
+++ b/lib/blocks.js
@@ -76,7 +76,7 @@ BlockController.prototype.block = function(req, res, next) {
       }
 
       if (!block) {
-        return self.common.handleErrors(null, res);
+        return self.common.handleErrors(new Error('block not in index'), res);
       }
 
       self._header.getBlockHeader(hash, function(err, info) {
diff --git a/lib/index.js b/lib/index.js
index c541c70..41a09c7 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -100,11 +100,11 @@ InsightAPI.prototype.start = function(callback) {
     this._bus = this.node.openBus({remoteAddress: 'localhost-insight-api'});
   }
 
-  this._bus.on('p2p/transaction', this.transactionEventHandler.bind(this));
-  this._bus.subscribe('p2p/transaction');
+  this._bus.on('mempool/transaction', this.transactionEventHandler.bind(this));
+  this._bus.subscribe('mempool/transaction');
 
-  this._bus.on('p2p/block', this.blockEventHandler.bind(this));
-  this._bus.subscribe('p2p/block');
+  this._bus.on('block/block', this.blockEventHandler.bind(this));
+  this._bus.subscribe('block/block');
 
   callback();
 
diff --git a/regtest/block.js b/regtest/block.js
index fa6b134..7ea6320 100644
--- a/regtest/block.js
+++ b/regtest/block.js
@@ -8,12 +8,12 @@ var fs = require('fs');
 var async = require('async');
 var RPC = require('bitcoind-rpc');
 var http = require('http');
+var bitcore = require('bitcore-lib');
+var exec = require('child_process').exec;
+var bitcore = require('bitcore-lib');
+var Block = bitcore.Block;
 
-var rpc1Address;
-var rpc2Address;
-var tx1;
-var tx2;
-var block;
+var blocksGenerated = 0;
 
 var rpcConfig = {
   protocol: 'http',
@@ -24,12 +24,12 @@ var rpcConfig = {
   rejectUnauthorized: false
 };
 
-var rpc1 = new RPC(rpcConfig);
-rpcConfig.port++;
-var rpc2 = new RPC(rpcConfig);
+var rpc = new RPC(rpcConfig);
 var debug = true;
 var bitcoreDataDir = '/tmp/bitcore';
-var bitcoinDataDirs = ['/tmp/bitcoin1', '/tmp/bitcoin2'];
+var bitcoinDir = '/tmp/bitcoin';
+var bitcoinDataDirs = [ bitcoinDir ];
+var blocks= [];
 
 var bitcoin = {
   args: {
@@ -39,7 +39,7 @@ var bitcoin = {
     server: 1,
     rpcuser: 'local',
     rpcpassword: 'localtest',
-    //printtoconsole: 1
+    //printtoconsole: 1,
     rpcport: 58332,
   },
   datadir: null,
@@ -75,6 +75,9 @@ var bitcore = {
         },
         'insight-api': {
           'routePrefix': 'api'
+        },
+        'block': {
+          'readAheadBlockCount': 1
         }
       }
     }
@@ -86,88 +89,186 @@ var bitcore = {
   },
   opts: { cwd: bitcoreDataDir },
   datadir: bitcoreDataDir,
-  exec: 'bitcored', //if this isn't on your PATH, then provide the absolute path, e.g. /usr/local/bin/bitcored
+  exec: 'bitcored',  //if this isn't on your PATH, then provide the absolute path, e.g. /usr/local/bin/bitcored
   args: ['start'],
   process: null
 };
 
-var startBitcoind = function(count, callback) {
+var request = function(httpOpts, callback) {
+
+  var request = http.request(httpOpts, function(res) {
+
+    if (res.statusCode !== 200 && res.statusCode !== 201) {
+      return callback('Error from bitcore-node webserver: ' + res.statusCode);
+    }
+
+    var resError;
+    var resData = '';
+
+    res.on('error', function(e) {
+      resError = e;
+    });
+
+    res.on('data', function(data) {
+      resData += data;
+    });
+
+    res.on('end', function() {
+
+      if (resError) {
+        return callback(resError);
+      }
+      var data = JSON.parse(resData);
+      callback(null, data);
+
+    });
+
+  });
+
+  request.on('error', function(err) {
+    callback(err);
+  });
+
+  if (httpOpts.body) {
+    request.write(httpOpts.body);
+  } else {
+    request.write('');
+  }
+  request.end();
+};
+
+var waitForBlocksGenerated = function(callback) {
+
+  var httpOpts = {
+    hostname: 'localhost',
+    port: 53001,
+    path: '/api/status',
+    method: 'GET',
+    headers: {
+      'Content-Type': 'application/json'
+    }
+  };
+
+  async.retry({ interval: 1000, times: 100 }, function(next) {
+
+    request(httpOpts, function(err, data) {
+      if (err) {
+        return next(err);
+      }
+      if (data.info.blocks !== blocksGenerated) {
+        return next(data);
+      }
+      next();
+    });
+
+  }, callback);
+};
+
+var resetDirs = function(dirs, callback) {
+
+  async.each(dirs, function(dir, next) {
+
+    rimraf(dir, function(err) {
+
+      if(err) {
+        return next(err);
+      }
+
+      mkdirp(dir, next);
+
+    });
+
+  }, callback);
+
+};
+
+var startBitcoind = function(callback) {
+
+  var args = bitcoin.args;
+  var argList = Object.keys(args).map(function(key) {
+    return '-' + key + '=' + args[key];
+  });
+
+  var bitcoinProcess = spawn(bitcoin.exec, argList, bitcoin.opts);
+  bitcoin.processes.push(bitcoinProcess);
+
+  bitcoinProcess.stdout.on('data', function(data) {
+
+    if (debug) {
+      process.stdout.write(data.toString());
+    }
+
+  });
+
+  bitcoinProcess.stderr.on('data', function(data) {
+
+    if (debug) {
+      process.stderr.write(data.toString());
+    }
+
+  });
+
+  callback();
+};
+
+
+var reportBitcoindsStarted = function() {
+  var pids = bitcoin.processes.map(function(process) {
+    return process.pid;
+  });
+
+  console.log(pids.length + ' bitcoind\'s started at pid(s): ' + pids);
+};
+
+var startBitcoinds = function(datadirs, callback) {
 
   var listenCount = 0;
-  async.timesSeries(count, function(n, next) {
-
-    var datadir = bitcoinDataDirs.shift();
+  async.eachSeries(datadirs, function(datadir, next) {
 
     bitcoin.datadir = datadir;
     bitcoin.args.datadir = datadir;
 
     if (listenCount++ > 0) {
       bitcoin.args.listen = 0;
-      bitcoin.args.rpcport++;
+      bitcoin.args.rpcport = bitcoin.args.rpcport + 1;
       bitcoin.args.connect = '127.0.0.1';
     }
 
-    rimraf(datadir, function(err) {
+    startBitcoind(next);
 
-      if(err) {
-        return next(err);
-      }
-
-      mkdirp(datadir, function(err) {
-
-        if(err) {
-          return next(err);
-        }
-
-        var args = bitcoin.args;
-        var argList = Object.keys(args).map(function(key) {
-          return '-' + key + '=' + args[key];
-        });
-
-        var bitcoinProcess = spawn(bitcoin.exec, argList, bitcoin.opts);
-        bitcoin.processes.push(bitcoinProcess);
-
-        bitcoinProcess.stdout.on('data', function(data) {
-
-          if (debug) {
-            process.stdout.write(data.toString());
-          }
-
-        });
-
-        bitcoinProcess.stderr.on('data', function(data) {
-
-          if (debug) {
-            process.stderr.write(data.toString());
-          }
-
-        });
-
-        next();
-
-      });
-
-    });
   }, function(err) {
-
-      if (err) {
-        return callback(err);
-      }
-
-      var pids = bitcoin.processes.map(function(process) {
-        return process.pid;
-      });
-
-      console.log(count + ' bitcoind\'s started at pid(s): ' + pids);
-      callback();
+    if (err) {
+      return callback(err);
+    }
+    reportBitcoindsStarted();
+    callback();
   });
 };
 
+var waitForBitcoinReady = function(rpc, callback) {
+  async.retry({ interval: 1000, times: 1000 }, function(next) {
+    rpc.getInfo(function(err) {
+      if (err) {
+        return next(err);
+      }
+      next();
+    });
+  }, function(err) {
+    if (err) {
+      return callback(err);
+    }
+    setTimeout(callback, 2000);
+  });
+};
 
 var shutdownBitcoind = function(callback) {
-  bitcoin.processes.forEach(function(process) {
-    process.kill();
-  });
+  var process;
+  do {
+    process = bitcoin.processes.shift();
+    if (process) {
+      process.kill();
+    }
+  } while(process);
   setTimeout(callback, 3000);
 };
 
@@ -178,98 +279,25 @@ var shutdownBitcore = function(callback) {
   callback();
 };
 
-
-var buildInitialChain = function(callback) {
-  async.waterfall([
-    function(next) {
-      console.log('checking to see if bitcoind\'s are connected to each other.');
-      rpc1.getinfo(function(err, res) {
-        if (err || res.result.connections !== 1) {
-          next(err || new Error('bitcoind\'s not connected to each other.'));
-        }
-        next();
-      });
-    },
-    function(next) {
-      console.log('generating 101 blocks');
-      rpc1.generate(101, next);
-    },
-    function(res, next) {
-      console.log('getting new address from rpc2');
-      rpc2.getNewAddress(function(err, res) {
-        if (err) {
-          return next(err);
-        }
-        rpc2Address = res.result;
-        console.log(rpc2Address);
-        next(null, rpc2Address);
-      });
-    },
-    function(addr, next) {
-      rpc1.sendToAddress(rpc2Address, 25, next);
-    },
-    function(res, next) {
-      tx1 = res.result;
-      console.log('TXID: ' + res.result);
-      console.log('generating 7 blocks');
-      rpc1.generate(7, next);
-    },
-    function(res, next) {
-      block = res.result[res.result.length - 1];
-      rpc2.getBalance(function(err, res) {
-        console.log(res);
-        next();
-      });
-    },
-    function(next) {
-      console.log('getting new address from rpc1');
-      rpc1.getNewAddress(function(err, res) {
-        if (err) {
-          return next(err);
-        }
-        rpc1Address = res.result;
-        next(null, rpc1Address);
-      });
-    },
-    function(addr, next) {
-      rpc2.sendToAddress(rpc1Address, 20, next);
-    },
-    function(res, next) {
-      tx2 = res.result;
-      console.log('sending from rpc2Address TXID: ', res);
-      console.log('generating 6 blocks');
-      rpc2.generate(6, next);
-    }
-  ], function(err) {
-
-    if (err) {
-      return callback(err);
-    }
-    rpc1.getInfo(function(err, res) {
-      console.log(res);
-      callback();
-    });
-  });
-
+var writeBitcoreConf = function() {
+  fs.writeFileSync(bitcore.configFile.file, JSON.stringify(bitcore.configFile.conf));
 };
 
 var startBitcore = function(callback) {
 
-  rimraf(bitcoreDataDir, function(err) {
-
-    if(err) {
-      return callback(err);
-    }
-
-    mkdirp(bitcoreDataDir, function(err) {
-
-      if(err) {
-        return callback(err);
-      }
-
-      fs.writeFileSync(bitcore.configFile.file, JSON.stringify(bitcore.configFile.conf));
-
-      var args = bitcore.args;
+  var args = bitcore.args;
+  console.log('Using bitcored from: ');
+  async.series([
+    function(next) {
+      exec('which bitcored', function(err, stdout, stderr) {
+        if(err) {
+          return next(err);
+        }
+        console.log(stdout.toString('hex'), stderr.toString('hex'));
+        next();
+      });
+    },
+    function(next) {
       bitcore.process = spawn(bitcore.exec, args, bitcore.opts);
 
       bitcore.process.stdout.on('data', function(data) {
@@ -287,11 +315,9 @@ var startBitcore = function(callback) {
 
       });
 
-      callback();
-    });
-
-  });
-
+      waitForBlocksGenerated(next);
+    }
+  ], callback);
 
 };
 
@@ -303,24 +329,40 @@ describe('Block', function() {
 
     async.series([
       function(next) {
-        startBitcoind(2, next);
+        console.log('step 0: setting up directories.');
+        var dirs = bitcoinDataDirs.concat([bitcoreDataDir]);
+        resetDirs(dirs, function(err) {
+          if (err) {
+            return next(err);
+          }
+          writeBitcoreConf();
+          next();
+        });
       },
       function(next) {
-        setTimeout(function() {
-          buildInitialChain(next);
-        }, 8000);
+        startBitcoinds(bitcoinDataDirs, function(err) {
+          if (err) {
+            return next(err);
+          }
+          waitForBitcoinReady(rpc, function(err) {
+            if (err) {
+              return next(err);
+            }
+            blocksGenerated += 10;
+            rpc.generate(10, function(err, res) {
+              if (err) {
+                return next(err);
+              }
+              blocks = res.result;
+              next();
+            });
+          });
+        });
       },
       function(next) {
-        setTimeout(function() {
-          startBitcore(next);
-        }, 6000);
+        startBitcore(next);
       }
-    ], function(err) {
-        if (err) {
-          return done(err);
-        }
-        setTimeout(done, 2000);
-    });
+    ], done);
 
   });
 
@@ -332,169 +374,99 @@ describe('Block', function() {
 
   it('should get blocks: /blocks', function(done) {
 
-    var request = http.request('http://localhost:53001/api/blocks', function(res) {
+    var httpOpts = {
+      hostname: 'localhost',
+      port: 53001,
+      path: 'http://localhost:53001/api/blocks',
+      method: 'GET',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    };
 
-      var error;
-      if (res.statusCode !== 200 && res.statusCode !== 201) {
-
-        if (error) {
-          return;
-        }
-
-        return done('Error from bitcore-node webserver: ' + res.statusCode);
+    request(httpOpts, function(err, data) {
 
+      if(err) {
+        return done(err);
       }
 
-      var resError;
-      var resData = '';
-
-      res.on('error', function(e) {
-        resError = e;
-      });
-
-      res.on('data', function(data) {
-        resData += data;
-      });
-
-      res.on('end', function() {
-        if (error) {
-          return;
-        }
-        var data = JSON.parse(resData);
-        expect(data.length).to.equal(114);
-        done();
-      });
-
+      expect(data.length).to.equal(10);
+      expect(data.blocks.length).to.equal(10);
+      done();
     });
-    request.write('');
-    request.end();
+
   });
 
   it('should get a block: /block/:hash', function(done) {
 
-    var request = http.request('http://localhost:53001/api/block/' + block, function(res) {
+    var httpOpts = {
+      hostname: 'localhost',
+      port: 53001,
+      path: 'http://localhost:53001/api/block/' + blocks[0],
+      method: 'GET',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    };
 
-      var error;
-      if (res.statusCode !== 200 && res.statusCode !== 201) {
-
-        if (error) {
-          return;
-        }
-
-        return done('Error from bitcore-node webserver: ' + res.statusCode);
+    request(httpOpts, function(err, data) {
 
+      if(err) {
+        return done(err);
       }
 
-      var resError;
-      var resData = '';
-
-      res.on('error', function(e) {
-        resError = e;
-      });
-
-      res.on('data', function(data) {
-        resData += data;
-      });
-
-      res.on('end', function() {
-        if (error) {
-          return;
-        }
-        var data = JSON.parse(resData);
-        expect(data.hash).to.equal(block);
-        done();
-      });
-
+      expect(data.hash).to.equal(blocks[0]);
+      expect(data.height).to.equal(1);
+      done();
     });
-    request.write('');
-    request.end();
   });
 
   it('should get a block-index: /block-index/:height', function(done) {
 
-    var request = http.request('http://localhost:53001/api/block-index/' + '108', function(res) {
+    var httpOpts = {
+      hostname: 'localhost',
+      port: 53001,
+      path: 'http://localhost:53001/api/block-index/7',
+      method: 'GET',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    };
 
-      var error;
-      if (res.statusCode !== 200 && res.statusCode !== 201) {
-
-        if (error) {
-          return;
-        }
-
-        return done('Error from bitcore-node webserver: ' + res.statusCode);
+    request(httpOpts, function(err, data) {
 
+      if(err) {
+        return done(err);
       }
 
-      var resError;
-      var resData = '';
-
-      res.on('error', function(e) {
-        resError = e;
-      });
-
-      res.on('data', function(data) {
-        resData += data;
-      });
-
-      res.on('end', function() {
-        if (error) {
-          return;
-        }
-        var data = JSON.parse(resData);
-        console.log(resData);
-        expect(data.blockHash).to.equal(block);
-        done();
-      });
-
+      expect(data.blockHash).to.equal(blocks[6]);
+      done();
     });
 
-    request.write('');
-    request.end();
   });
 
   it('should get a raw block: /rawblock/:hash', function(done) {
 
-    var request = http.request('http://localhost:53001/api/rawblock/' + block, function(res) {
+    var httpOpts = {
+      hostname: 'localhost',
+      port: 53001,
+      path: 'http://localhost:53001/api/rawblock/' + blocks[4],
+      method: 'GET',
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    };
 
-      var error;
-      if (res.statusCode !== 200 && res.statusCode !== 201) {
-
-        if (error) {
-          return;
-        }
-
-        return done('Error from bitcore-node webserver: ' + res.statusCode);
+    request(httpOpts, function(err, data) {
 
+      if(err) {
+        return done(err);
       }
 
-      var resError;
-      var resData = '';
-
-      res.on('error', function(e) {
-        resError = e;
-      });
-
-      res.on('data', function(data) {
-        resData += data;
-      });
-
-      res.on('end', function() {
-        if (error) {
-          return;
-        }
-        var data = JSON.parse(resData);
-        console.log(resData);
-        expect(data.rawblock).to.not.be.null;
-        done();
-      });
-
+      var block = new Block(new Buffer(data.rawblock, 'hex'));
+      expect(block.hash).to.equal(blocks[4]);
+      done();
     });
-
-    request.write('');
-    request.end();
   });
+
 });
-
-
-
-
diff --git a/regtest/subscriptions.js b/regtest/subscriptions.js
new file mode 100644
index 0000000..3c8e86a
--- /dev/null
+++ b/regtest/subscriptions.js
@@ -0,0 +1,498 @@
+'use strict';
+
+var expect = require('chai').expect;
+var spawn = require('child_process').spawn;
+var rimraf = require('rimraf');
+var mkdirp = require('mkdirp');
+var fs = require('fs');
+var async = require('async');
+var RPC = require('bitcoind-rpc');
+var http = require('http');
+var bitcore = require('bitcore-lib');
+var exec = require('child_process').exec;
+var bitcore = require('bitcore-lib');
+var Block = bitcore.Block;
+var PrivateKey = bitcore.PrivateKey;
+var Transaction = bitcore.Transaction;
+var io = require('socket.io-client');
+
+/*
+
+  Theory behind this test.
+
+  We want to connect a web socket and subscribe to both new txs and blocks.
+
+  When a new tx or block comes in, we want to immediately call the api for that resource.
+
+
+*/
+var blocksGenerated = 0;
+
+var rpcConfig = {
+  protocol: 'http',
+  user: 'local',
+  pass: 'localtest',
+  host: '127.0.0.1',
+  port: 58332,
+  rejectUnauthorized: false
+};
+
+var rpc = new RPC(rpcConfig);
+var debug = true;
+var bitcoreDataDir = '/tmp/bitcore';
+var bitcoinDir = '/tmp/bitcoin';
+var bitcoinDataDirs = [ bitcoinDir ];
+var blocks= [];
+var pks = [];
+var initialTx;
+var startingPk;
+
+var bitcoin = {
+  args: {
+    datadir: null,
+    listen: 1,
+    regtest: 1,
+    server: 1,
+    rpcuser: 'local',
+    rpcpassword: 'localtest',
+    //printtoconsole: 1,
+    rpcport: 58332,
+  },
+  datadir: null,
+  exec: 'bitcoind', //if this isn't on your PATH, then provide the absolute path, e.g. /usr/local/bin/bitcoind
+  processes: []
+};
+
+var bitcore = {
+  configFile: {
+    file: bitcoreDataDir + '/bitcore-node.json',
+    conf: {
+      network: 'regtest',
+      port: 53001,
+      datadir: bitcoreDataDir,
+      services: [
+        'p2p',
+        'db',
+        'header',
+        'block',
+        'address',
+        'transaction',
+        'mempool',
+        'web',
+        'insight-api',
+        'fee',
+        'timestamp'
+      ],
+      servicesConfig: {
+        'p2p': {
+          'peers': [
+            { 'ip': { 'v4': '127.0.0.1' }, port: 18444 }
+          ]
+        },
+        'insight-api': {
+          'routePrefix': 'api'
+        },
+        'block': {
+          'readAheadBlockCount': 1
+        }
+      }
+    }
+  },
+  httpOpts: {
+    protocol: 'http:',
+    hostname: 'localhost',
+    port: 53001,
+  },
+  opts: { cwd: bitcoreDataDir },
+  datadir: bitcoreDataDir,
+  exec: 'bitcored',  //if this isn't on your PATH, then provide the absolute path, e.g. /usr/local/bin/bitcored
+  args: ['start'],
+  process: null
+};
+
+var request = function(httpOpts, callback) {
+
+  var request = http.request(httpOpts, function(res) {
+
+    if (res.statusCode !== 200 && res.statusCode !== 201) {
+      return callback('Error from bitcore-node webserver: ' + res.statusCode);
+    }
+
+    var resError;
+    var resData = '';
+
+    res.on('error', function(e) {
+      resError = e;
+    });
+
+    res.on('data', function(data) {
+      resData += data;
+    });
+
+    res.on('end', function() {
+
+      if (resError) {
+        return callback(resError);
+      }
+      var data = JSON.parse(resData);
+      callback(null, data);
+
+    });
+
+  });
+
+  request.on('error', function(err) {
+    callback(err);
+  });
+
+  if (httpOpts.body) {
+    request.write(httpOpts.body);
+  } else {
+    request.write('');
+  }
+  request.end();
+};
+
+var waitForBlocksGenerated = function(callback) {
+
+  var httpOpts = {
+    hostname: 'localhost',
+    port: 53001,
+    path: '/api/status',
+    method: 'GET',
+    headers: {
+      'Content-Type': 'application/json'
+    }
+  };
+
+  async.retry({ interval: 1000, times: 100 }, function(next) {
+
+    request(httpOpts, function(err, data) {
+      if (err) {
+        return next(err);
+      }
+      if (data.info.blocks !== blocksGenerated) {
+        return next(data);
+      }
+      next();
+    });
+
+  }, callback);
+};
+
+var resetDirs = function(dirs, callback) {
+
+  async.each(dirs, function(dir, next) {
+
+    rimraf(dir, function(err) {
+
+      if(err) {
+        return next(err);
+      }
+
+      mkdirp(dir, next);
+
+    });
+
+  }, callback);
+
+};
+
+var startBitcoind = function(callback) {
+
+  var args = bitcoin.args;
+  var argList = Object.keys(args).map(function(key) {
+    return '-' + key + '=' + args[key];
+  });
+
+  var bitcoinProcess = spawn(bitcoin.exec, argList, bitcoin.opts);
+  bitcoin.processes.push(bitcoinProcess);
+
+  bitcoinProcess.stdout.on('data', function(data) {
+
+    if (debug) {
+      process.stdout.write(data.toString());
+    }
+
+  });
+
+  bitcoinProcess.stderr.on('data', function(data) {
+
+    if (debug) {
+      process.stderr.write(data.toString());
+    }
+
+  });
+
+  callback();
+};
+
+
+var reportBitcoindsStarted = function() {
+  var pids = bitcoin.processes.map(function(process) {
+    return process.pid;
+  });
+
+  console.log(pids.length + ' bitcoind\'s started at pid(s): ' + pids);
+};
+
+var startBitcoinds = function(datadirs, callback) {
+
+  var listenCount = 0;
+  async.eachSeries(datadirs, function(datadir, next) {
+
+    bitcoin.datadir = datadir;
+    bitcoin.args.datadir = datadir;
+
+    if (listenCount++ > 0) {
+      bitcoin.args.listen = 0;
+      bitcoin.args.rpcport = bitcoin.args.rpcport + 1;
+      bitcoin.args.connect = '127.0.0.1';
+    }
+
+    startBitcoind(next);
+
+  }, function(err) {
+    if (err) {
+      return callback(err);
+    }
+    reportBitcoindsStarted();
+    callback();
+  });
+};
+
+var waitForBitcoinReady = function(rpc, callback) {
+  async.retry({ interval: 1000, times: 1000 }, function(next) {
+    rpc.getInfo(function(err) {
+      if (err) {
+        return next(err);
+      }
+      next();
+    });
+  }, function(err) {
+    if (err) {
+      return callback(err);
+    }
+    setTimeout(callback, 2000);
+  });
+};
+
+var shutdownBitcoind = function(callback) {
+  var process;
+  do {
+    process = bitcoin.processes.shift();
+    if (process) {
+      process.kill();
+    }
+  } while(process);
+  setTimeout(callback, 3000);
+};
+
+var shutdownBitcore = function(callback) {
+  if (bitcore.process) {
+    bitcore.process.kill();
+  }
+  callback();
+};
+
+var writeBitcoreConf = function() {
+  fs.writeFileSync(bitcore.configFile.file, JSON.stringify(bitcore.configFile.conf));
+};
+
+var startBitcore = function(callback) {
+
+  var args = bitcore.args;
+  console.log('Using bitcored from: ');
+  async.series([
+    function(next) {
+      exec('which bitcored', function(err, stdout, stderr) {
+        if(err) {
+          return next(err);
+        }
+        console.log(stdout.toString('hex'), stderr.toString('hex'));
+        next();
+      });
+    },
+    function(next) {
+      bitcore.process = spawn(bitcore.exec, args, bitcore.opts);
+
+      bitcore.process.stdout.on('data', function(data) {
+
+        if (debug) {
+          process.stdout.write(data.toString());
+        }
+
+      });
+      bitcore.process.stderr.on('data', function(data) {
+
+        if (debug) {
+          process.stderr.write(data.toString());
+        }
+
+      });
+
+      waitForBlocksGenerated(next);
+    }
+  ], callback);
+
+};
+
+var makeLocalPrivateKeys = function(num) {
+  if (!num) {
+    num = 20;
+  }
+  for(var i = 0; i < num; i++) {
+    pks.push(new PrivateKey('testnet'));
+  }
+};
+
+var getFirstIncomingFunds = function(callback) {
+  initialTx = new Transaction();
+  rpc.listUnspent(function(err, res) {
+    if (err) {
+      return callback(err);
+    }
+    var unspent = res.result[0];
+    rpc.dumpPrivKey(unspent.address, function(err, res) {
+      if (err) {
+        return callback(err);
+      }
+      startingPk = new PrivateKey(res.result);
+      var utxo = {
+        txId: unspent.txid,
+        outputIndex: unspent.vout,
+        script: unspent.scriptPubKey,
+        satoshis: unspent.amount * 1e8,
+        address: unspent.address
+      };
+      initialTx.from(utxo).to(pks[0].toAddress(), 20*1e8).change(startingPk.toAddress()).fee(50000).sign(startingPk);
+      rpc.sendRawTransaction(initialTx.serialize(), callback);
+    });
+  });
+};
+
+var sendTx = function(callback) {
+  var index;
+  for(var i = 0; i < initialTx.outputs.length; i++) {
+    if (initialTx.outputs[i].script.toAddress().toString() === pks[0].toAddress().toString()) {
+      index = i;
+      break;
+    }
+  }
+  var utxo = {
+    address: pks[0].toAddress().toString(),
+    script: initialTx.outputs[index].script.toHex(),
+    satoshis: initialTx.outputs[index].satoshis,
+    outputIndex: index,
+    txid: initialTx.hash
+  };
+
+  txs.push(new Transaction()
+    .from(utxo)
+    .to(pks[1].toAddress(), 1e8)
+    .change(startingPk.toAddress()).fee(50000).sign(pks[0]));
+
+  var body = '{"rawtx":"' + txs[0].serialize() + '"}';
+
+  var httpOpts = {
+    hostname: 'localhost',
+    port: 53001,
+    path: 'http://localhost:53001/api/tx/send',
+    method: 'POST',
+    body: body,
+    headers: {
+      'Content-Type': 'application/json',
+      'Content-Length': body.length
+    },
+  };
+
+  request(httpOpts, function(err, data) {
+    if (err) {
+      return callback(err);
+    }
+
+    txids.push(data.txid);
+    callback();
+
+  });
+
+};
+describe('Subscriptions', function() {
+
+  this.timeout(60000);
+
+  before(function(done) {
+
+    async.series([
+      function(next) {
+        console.log('step 0: setting up directories.');
+        var dirs = bitcoinDataDirs.concat([bitcoreDataDir]);
+        resetDirs(dirs, function(err) {
+          if (err) {
+            return next(err);
+          }
+          writeBitcoreConf();
+          next();
+        });
+      },
+      function(next) {
+        console.log('step 1: start bitcoind');
+        startBitcoinds(bitcoinDataDirs, function(err) {
+          if (err) {
+            return next(err);
+          }
+          waitForBitcoinReady(rpc, function(err) {
+            if (err) {
+              return next(err);
+            }
+            blocksGenerated += 10;
+            rpc.generate(10, function(err, res) {
+              if (err) {
+                return next(err);
+              }
+              blocks = res.result;
+              next();
+            });
+          });
+        });
+      },
+      function(next) {
+        console.log('step 2: start bitcore');
+        startBitcore(next);
+      },
+      function(next) {
+        console.log('step 3: make local private keys.');
+        makeLocalPrivateKeys();
+      },
+      function(next) {
+        console.log('step 4: setup initial tx.');
+        getFirstIncomingFunds(next);
+      }
+    ], done);
+
+  });
+
+  after(function(done) {
+    shutdownBitcore(function() {
+      shutdownBitcoind(done);
+    });
+  });
+
+  it('should get transaction after websocket reception of transaction', function(done) {
+    var socket = io('ws://localhost:53001', {
+      transports: [ 'websocket' ]
+    });
+    socket.emit('subscribe', 'mempool/transaction');
+    // send a transaction
+    socket.on('message', function(msg) {
+      console.log(msg);
+      done();
+    });
+    sendTx();
+  });
+
+  it('should get block after websocket reception of block', function(done) {
+    done();
+  });
+
+});