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76 lines
3.1 KiB
76 lines
3.1 KiB
#!/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, 3) |
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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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self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"])) |
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def run_test(self): |
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print "Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:" |
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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[0:2]) |
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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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print "\nMake sure we won't reorg to a lower work chain:" |
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connect_nodes_bi(self.nodes,1,2) |
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print "Sync node 2 to node 1 so both have 6 blocks" |
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sync_blocks(self.nodes[1:3]) |
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assert(self.nodes[2].getblockcount() == 6) |
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print "Invalidate block 5 on node 1 so its tip is now at 4" |
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self.nodes[1].invalidateblock(self.nodes[1].getblockhash(5)) |
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assert(self.nodes[1].getblockcount() == 4) |
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print "Invalidate block 3 on node 2, so its tip is now 2" |
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self.nodes[2].invalidateblock(self.nodes[2].getblockhash(3)) |
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assert(self.nodes[2].getblockcount() == 2) |
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print "..and then mine a block" |
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self.nodes[2].setgenerate(True, 1) |
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print "Verify all nodes are at the right height" |
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time.sleep(5) |
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for i in xrange(3): |
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print i,self.nodes[i].getblockcount() |
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assert(self.nodes[2].getblockcount() == 3) |
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assert(self.nodes[0].getblockcount() == 4) |
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node1height = self.nodes[1].getblockcount() |
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if node1height < 4: |
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raise AssertionError("Node 1 reorged to a lower height: %d"%node1height) |
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if __name__ == '__main__': |
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InvalidateTest().main()
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