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-rwxr-xr-xqa/rpc-tests/invalidateblock.py51
1 files changed, 51 insertions, 0 deletions
diff --git a/qa/rpc-tests/invalidateblock.py b/qa/rpc-tests/invalidateblock.py
new file mode 100755
index 0000000000..a8bfbe6e6c
--- /dev/null
+++ b/qa/rpc-tests/invalidateblock.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python2
+# Copyright (c) 2014 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#
+# Test InvalidateBlock code
+#
+
+from test_framework import BitcoinTestFramework
+from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
+from util import *
+
+class InvalidateTest(BitcoinTestFramework):
+
+
+ def setup_chain(self):
+ print("Initializing test directory "+self.options.tmpdir)
+ initialize_chain_clean(self.options.tmpdir, 2)
+
+ def setup_network(self):
+ self.nodes = []
+ self.is_network_split = False
+ self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"]))
+ self.nodes.append(start_node(1, self.options.tmpdir, ["-debug"]))
+
+ def run_test(self):
+ print "Mine 4 blocks on Node 0"
+ self.nodes[0].setgenerate(True, 4)
+ assert(self.nodes[0].getblockcount() == 4)
+ besthash = self.nodes[0].getbestblockhash()
+
+ print "Mine competing 6 blocks on Node 1"
+ self.nodes[1].setgenerate(True, 6)
+ assert(self.nodes[1].getblockcount() == 6)
+
+ print "Connect nodes to force a reorg"
+ connect_nodes_bi(self.nodes,0,1)
+ sync_blocks(self.nodes)
+ assert(self.nodes[0].getblockcount() == 6)
+ badhash = self.nodes[1].getblockhash(2)
+
+ print "Invalidate block 2 on node 0 and verify we reorg to node 0's original chain"
+ self.nodes[0].invalidateblock(badhash)
+ newheight = self.nodes[0].getblockcount()
+ newhash = self.nodes[0].getbestblockhash()
+ if (newheight != 4 or newhash != besthash):
+ raise AssertionError("Wrong tip for node0, hash %s, height %d"%(newhash,newheight))
+
+if __name__ == '__main__':
+ InvalidateTest().main()