dash/test/functional/rpc_invalidateblock.py
2024-10-04 19:01:00 +00:00

120 lines
5.7 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2014-2020 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the invalidateblock RPC."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
)
class InvalidateTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 3
def setup_network(self):
self.setup_nodes()
def run_test(self):
self.log.info("Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:")
self.log.info("Mine 4 blocks on Node 0")
self.generatetoaddress(self.nodes[0], 4, self.nodes[0].get_deterministic_priv_key().address)
assert_equal(self.nodes[0].getblockcount(), 4)
besthash_n0 = self.nodes[0].getbestblockhash()
self.log.info("Mine competing 6 blocks on Node 1")
self.generatetoaddress(self.nodes[1], 6, self.nodes[1].get_deterministic_priv_key().address)
assert_equal(self.nodes[1].getblockcount(), 6)
self.log.info("Connect nodes to force a reorg")
self.connect_nodes(0, 1)
self.sync_blocks(self.nodes[0:2])
assert_equal(self.nodes[0].getblockcount(), 6)
badhash = self.nodes[1].getblockhash(2)
self.log.info("Invalidate block 2 on node 0 and verify we reorg to node 0's original chain")
self.nodes[0].invalidateblock(badhash)
assert_equal(self.nodes[0].getblockcount(), 4)
assert_equal(self.nodes[0].getbestblockhash(), besthash_n0)
self.log.info("Make sure we won't reorg to a lower work chain:")
self.connect_nodes( 1, 2)
self.log.info("Sync node 2 to node 1 so both have 6 blocks")
self.sync_blocks(self.nodes[1:3])
assert_equal(self.nodes[2].getblockcount(), 6)
self.log.info("Invalidate block 5 on node 1 so its tip is now at 4")
self.nodes[1].invalidateblock(self.nodes[1].getblockhash(5))
assert_equal(self.nodes[1].getblockcount(), 4)
self.log.info("Invalidate block 3 on node 2, so its tip is now 2")
self.nodes[2].invalidateblock(self.nodes[2].getblockhash(3))
assert_equal(self.nodes[2].getblockcount(), 2)
self.log.info("..and then mine a block")
self.generatetoaddress(self.nodes[2], 1, self.nodes[2].get_deterministic_priv_key().address)
self.log.info("Verify all nodes are at the right height")
self.wait_until(lambda: self.nodes[2].getblockcount() == 3, timeout=5)
self.wait_until(lambda: self.nodes[0].getblockcount() == 4, timeout=5)
self.wait_until(lambda: self.nodes[1].getblockcount() == 4, timeout=5)
self.log.info("Make sure ResetBlockFailureFlags does the job correctly")
self.restart_node(0, extra_args=["-checkblocks=5"])
self.restart_node(1, extra_args=["-checkblocks=5"])
self.connect_nodes(0, 1)
self.generate(self.nodes[0], 10)
self.sync_blocks(self.nodes[0:2])
newheight = self.nodes[0].getblockcount()
for j in range(2):
self.restart_node(0, extra_args=["-checkblocks=5"])
tip = self.generate(self.nodes[0], 10)[-1]
self.generate(self.nodes[1], 9)
self.connect_nodes(0, 1)
self.sync_blocks(self.nodes[0:2])
assert_equal(self.nodes[0].getblockcount(), newheight + 10 * (j + 1))
assert_equal(self.nodes[1].getblockcount(), newheight + 10 * (j + 1))
assert_equal(self.nodes[1].getbestblockhash(), tip)
tip = self.nodes[1].getbestblockhash()
self.nodes[1].invalidateblock(self.nodes[1].getblockhash(newheight + 1))
self.nodes[1].invalidateblock(self.nodes[1].getblockhash(newheight + 1))
assert_equal(self.nodes[1].getblockcount(), newheight)
self.restart_node(1, extra_args=["-checkblocks=5"])
self.wait_until(lambda: self.nodes[1].getblockcount() == newheight + 20)
assert_equal(tip, self.nodes[1].getbestblockhash())
self.log.info("Verify that we reconsider all ancestors as well")
blocks = self.generatetodescriptor(self.nodes[1], 10, ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR)
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
# Invalidate the two blocks at the tip
self.nodes[1].invalidateblock(blocks[-1])
self.nodes[1].invalidateblock(blocks[-2])
assert_equal(self.nodes[1].getbestblockhash(), blocks[-3])
# Reconsider only the previous tip
self.nodes[1].reconsiderblock(blocks[-1])
# Should be back at the tip by now
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
self.log.info("Verify that we reconsider all descendants")
blocks = self.generatetodescriptor(self.nodes[1], 10, ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR)
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
# Invalidate the two blocks at the tip
self.nodes[1].invalidateblock(blocks[-2])
self.nodes[1].invalidateblock(blocks[-4])
assert_equal(self.nodes[1].getbestblockhash(), blocks[-5])
# Reconsider only the previous tip
self.nodes[1].reconsiderblock(blocks[-4])
# Should be back at the tip by now
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
self.log.info("Verify that invalidating an unknown block throws an error")
assert_raises_rpc_error(-5, "Block not found", self.nodes[1].invalidateblock, "00" * 32)
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
if __name__ == '__main__':
InvalidateTest().main()