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b0dec4a04a
-debug and -logtimemicros are now set by default. Individual test cases no longer need to set these parameters manually.
74 lines
3.0 KiB
Python
Executable File
74 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 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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"""Test the invalidateblock RPC."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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class InvalidateTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.setup_clean_chain = True
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self.num_nodes = 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))
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self.nodes.append(start_node(1, self.options.tmpdir))
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self.nodes.append(start_node(2, self.options.tmpdir))
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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].generate(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].generate(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].generate(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 range(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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