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