From 5b833dca89fb52c6c426518e47c62646fe6dfa0b Mon Sep 17 00:00:00 2001
From: Chris Kleeschulte <chrisk@bitpay.com>
Date: Wed, 16 Aug 2017 12:33:30 -0400
Subject: [PATCH] Regtest for reorg.

---
 test/regtest/comms.txt | 30 ++++++++++++++
 test/regtest/reorg.js  | 92 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 122 insertions(+)
 create mode 100644 test/regtest/comms.txt
 create mode 100644 test/regtest/reorg.js

diff --git a/test/regtest/comms.txt b/test/regtest/comms.txt
new file mode 100644
index 00000000..5ab8a609
--- /dev/null
+++ b/test/regtest/comms.txt
@@ -0,0 +1,30 @@
+[2017-08-16T13:44:43.245Z] info: Connecting to p2p network.
+client sending: magic:: 0b110907 command:: 76657273696f6e0000000000 length:: 65000000 checksum:: 735475bc message:: 7111010001000000000000004b4c945900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006e2b8235df4c158a0f2f626974636f72653a312e312e322f0000000001
+server sending: magic:: 0b110907 command:: 76657273696f6e0000000000 length:: 67000000 checksum:: 46b5c9ae
+client sending: magic:: 0b110907 command:: 76657261636b000000000000 length:: 00000000 checksum:: 5df6e0e2 message::
+server sending: magic:: 0b110907 command:: 76657261636b000000000000 length:: 00000000 checksum:: 5df6e0e2
+[2017-08-16T13:44:43.261Z] info: Connected to peer: 192.168.3.5, network: regtest, version: 70015, subversion: /Satoshi:0.14.99/, status: ready, port: 18333, best height: 1178711
+[2017-08-16T13:44:43.262Z] info: Header Service: Gathering: 2001 header(s) from the peer-to-peer network.
+[2017-08-16T13:44:43.262Z] info: Header Service: download progress: 1176710/1178711  (99.83%)
+client sending: magic:: 0b110907 command:: 676574686561646572730000 length:: 45000000 checksum:: 857caf8b message:: 7111010001145ed5b8587723d506f208c0aaf9c4d628bcba4bacd1d30f90270000000000000000000000000000000000000000000000000000000000000000000000000000
+server sending: magic::  command::  length::  checksum::
+server sending: magic:: 0b110907 command:: 616c65727400000000000000 length:: a8000000 checksum:: 1bf9aaea
+server sending: magic:: 0b110907 command:: 70696e670000000000000000 length:: 08000000 checksum:: 7c640b03
+client sending: magic:: 0b110907 command:: 706f6e670000000000000000 length:: 08000000 checksum:: 7c640b03 message:: e79ac440be90a476
+server sending: magic:: 0b110907 command:: 676574686561646572730000 length:: 25040000 checksum:: 552dc886
+server sending: magic::  command::  length::  checksum::
+server sending: magic:: 0b110907 command:: 686561646572730000000000 length:: d3780200 checksum:: 29213586
+server sending: magic:: 0b110907 command:: 686561646572730000000000 length:: d3780200 checksum:: 29213586
+server sending: magic:: 0b110907 command:: 686561646572730000000000 length:: d3780200 checksum:: 29213586
+server sending: magic:: 0b110907 command:: 686561646572730000000000 length:: d3780200 checksum:: 29213586
+server sending: magic::  command::  length::  checksum::
+[2017-08-16T13:44:43.411Z] info: Header Service: download progress: 1178710/1178711  (100.00%)
+client sending: magic:: 0b110907 command:: 676574686561646572730000 length:: 45000000 checksum:: cd33b9da message:: 71110100019f1309c60de611c5cdec7e0b24fb00da0d16fb706f1ae21a500f0000000000000000000000000000000000000000000000000000000000000000000000000000
+server sending: magic:: 0b110907 command:: 686561646572730000000000 length:: 52000000 checksum:: a4022af1
+server sending: magic:: 0b110907 command:: 686561646572730000000000 length:: 52000000 checksum:: a4022af1
+server sending: magic::  command::  length::  checksum::
+[2017-08-16T13:44:43.419Z] info: localhost-header subscribe: p2p/block total: 1
+[2017-08-16T13:44:43.419Z] info: Header Service: emitting headers to block service.
+[2017-08-16T13:44:43.419Z] info: Block Service: Gathering: 0 block(s) from the peer-to-peer network.
+[2017-08-16T13:44:43.419Z] info: Block Service: The best block hash is: 00000000000004842ea914123b8010541a41174a11ba62b244d0aec19840467c at height: 1178711
+
diff --git a/test/regtest/reorg.js b/test/regtest/reorg.js
new file mode 100644
index 00000000..83b58668
--- /dev/null
+++ b/test/regtest/reorg.js
@@ -0,0 +1,92 @@
+'use strict';
+
+var expect = require('chai').expect;
+var sinon = require('sinon');
+var net = require('net');
+var spawn = require('child_process').spawn;
+
+var server;
+var headers = [];
+var blocks = [];
+var magic = new Buffer('00', 'hex'); // TODO find out what this is
+var messages = {
+  verack: new Buffer('76657273696f6e0000000000', 'hex'),
+
+};
+
+
+/*
+
+
+   comms path:
+
+      client = bitcore-node
+      server = my fake server
+
+      client -> version
+
+      server -> version
+
+      client -> verack
+
+      server -> verack
+
+      client -> getHeaders
+
+      server -> headers
+
+      client -> ?
+
+      server -> ?
+
+
+
+
+
+
+*/
+
+var startFakeNode = function(callback) {
+
+  server = net.createServer(function(socket) {
+    socket.write('hi\r\n');
+    socket.pipe(socket);
+  });
+
+  server.listen(1337, '127.0.0.1');
+  callback();
+};
+
+
+var shutdownFakeNode = function(done) {
+  server.close();
+  done();
+};
+
+
+
+describe('Reorg', function() {
+  // 1. spin up bitcore-node and have it connect to our custom tcp socket
+  // 2. feed it a few headers
+  // 3. feed it a few blocks
+  // 4. feed it a block that reorgs
+
+  before(function(done) {
+    startFakeNode(done);
+  });
+
+  after(function(done) {
+    shutdownFakeNode(done);
+  });
+
+  it('should reorg correctly', function(done) {
+    var client = new net.Socket();
+    client.connect(1337, '127.0.0.1');
+    client.on('data', function(data) {
+      console.log(data.toString());
+      client.destroy();
+    });
+    done();
+  });
+});
+