Updated to add a simple forking test

1 files changed, 56 insertions, 0 deletions

diff --git a/fork.cpp b/fork.cpp
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--- /dev/null
+++ b/fork.cpp
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+/*
+	This file is part of cpp-ethereum.
+
+	cpp-ethereum is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	cpp-ethereum is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file fork.cpp
+ * @author Marko Simovic <markobarko@gmail.com>
+ * @date 2014
+ * Tests for different forking behavior
+ */
+
+#include <boost/test/unit_test.hpp>
+#include <boost/filesystem/operations.hpp>
+#include <Client.h>
+#include <BlockChain.h>
+#include <PeerServer.h>
+#include "TestHelper.h"
+using namespace std;
+using namespace eth;
+
+BOOST_AUTO_TEST_CASE(simple_chain_fork)
+{
+	//start a client and mine a short chain
+	Client c1("TestClient1", KeyPair::create().address(),
+			(boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string());
+	mine(c1, 4);
+
+	//start another client and mine a longer chain
+	Client c2("TestClient2", KeyPair::create().address(),
+			(boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()).string());
+	mine(c2, 6);
+
+	//connect the two clients up to resolve chain
+	c1.startNetwork(20000);
+	c2.startNetwork(21000);
+	c2.connect("127.0.0.1", 20000);
+
+	//mine an extra block to cement it
+	mine(c1, 1);
+
+	//check the balances are where they should be
+	//c1's chain should have been clobbered by c2
+	BOOST_REQUIRE(c1.state().balance(c1.address()) == 0);
+	BOOST_REQUIRE(c2.state().balance(c2.address()) > 0);
+}