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17bb230d74
7148b74dc[tests] Functional tests must explicitly set num_nodes (John Newbery)5448a1471[tests] don't override __init__() in individual tests (John Newbery)6cf094a02[tests] Avoid passing around member variables in test_framework (John Newbery)36b626867[tests] TestNode: separate add_node from start_node (John Newbery)be2a2ab6a[tests] fix - use rpc_timeout as rpc timeout (John Newbery) Pull request description: Some additional tidyups after the introduction of TestNode: - commit 1 makes TestNode use the correct rpc timeout. This should have been included in #11077 - commit 2 separates `add_node()` from `start_node()` as originally discussed here: https://github.com/bitcoin/bitcoin/pull/10556#discussion_r121161453 with @kallewoof . The test writer no longer needs to assign to `self.nodes` when starting/stopping nodes. - commit 3 adds a `set_test_params()` method, so individual tests don't need to override `__init__()` and call `super().__init__()` Tree-SHA512: 0adb030623b96675b5c29e2890ce99ccd837ed05f721d0c91b35378c5ac01b6658174aac12f1f77402e1d38b61f39b3c43b4df85c96952565dde1cda05b0db84
65 lines
2.7 KiB
Python
Executable File
65 lines
2.7 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 set_test_params(self):
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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.setup_nodes()
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def run_test(self):
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self.log.info("Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:")
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self.log.info("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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self.log.info("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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self.log.info("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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self.log.info("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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self.log.info("Make 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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self.log.info("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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self.log.info("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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self.log.info("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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self.log.info("..and then mine a block")
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self.nodes[2].generate(1)
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self.log.info("Verify all nodes are at the right height")
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time.sleep(5)
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assert_equal(self.nodes[2].getblockcount(), 3)
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assert_equal(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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