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89 lines
4.1 KiB
89 lines
4.1 KiB
3 years ago
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#!/usr/bin/env python3
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# Copyright (c) 2014-2020 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.address import ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR
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from test_framework.util import (
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assert_equal,
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)
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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].generatetoaddress(4, self.nodes[0].get_deterministic_priv_key().address)
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assert_equal(self.nodes[0].getblockcount(), 4)
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besthash_n0 = 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].generatetoaddress(6, self.nodes[1].get_deterministic_priv_key().address)
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assert_equal(self.nodes[1].getblockcount(), 6)
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self.log.info("Connect nodes to force a reorg")
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self.connect_nodes(0, 1)
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self.sync_blocks(self.nodes[0:2])
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assert_equal(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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assert_equal(self.nodes[0].getblockcount(), 4)
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assert_equal(self.nodes[0].getbestblockhash(), besthash_n0)
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self.log.info("Make sure we won't reorg to a lower work chain:")
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self.connect_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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self.sync_blocks(self.nodes[1:3])
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assert_equal(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_equal(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_equal(self.nodes[2].getblockcount(), 2)
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self.log.info("..and then mine a block")
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self.nodes[2].generatetoaddress(1, self.nodes[2].get_deterministic_priv_key().address)
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self.log.info("Verify all nodes are at the right height")
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self.wait_until(lambda: self.nodes[2].getblockcount() == 3, timeout=5)
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self.wait_until(lambda: self.nodes[0].getblockcount() == 4, timeout=5)
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self.wait_until(lambda: self.nodes[1].getblockcount() == 4, timeout=5)
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self.log.info("Verify that we reconsider all ancestors as well")
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blocks = self.nodes[1].generatetodescriptor(10, ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR)
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assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
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# Invalidate the two blocks at the tip
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self.nodes[1].invalidateblock(blocks[-1])
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self.nodes[1].invalidateblock(blocks[-2])
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assert_equal(self.nodes[1].getbestblockhash(), blocks[-3])
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# Reconsider only the previous tip
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self.nodes[1].reconsiderblock(blocks[-1])
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# Should be back at the tip by now
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assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
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self.log.info("Verify that we reconsider all descendants")
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blocks = self.nodes[1].generatetodescriptor(10, ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR)
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assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
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# Invalidate the two blocks at the tip
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self.nodes[1].invalidateblock(blocks[-2])
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self.nodes[1].invalidateblock(blocks[-4])
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assert_equal(self.nodes[1].getbestblockhash(), blocks[-5])
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# Reconsider only the previous tip
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self.nodes[1].reconsiderblock(blocks[-4])
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# Should be back at the tip by now
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assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
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if __name__ == '__main__':
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InvalidateTest().main()
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