lbrycrd/test/functional/rpc_invalidateblock.py

92 lines
4.1 KiB
Python
Raw Normal View History

2016-03-19 20:58:06 +01:00
#!/usr/bin/env python3
2018-07-27 00:36:45 +02:00
# Copyright (c) 2014-2018 The Bitcoin Core developers
2015-03-11 16:58:40 +01:00
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the invalidateblock RPC."""
2015-03-11 16:58:40 +01:00
from test_framework.test_framework import BitcoinTestFramework
from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE
from test_framework.util import (
assert_equal,
connect_nodes_bi,
sync_blocks,
wait_until,
)
2015-03-11 16:58:40 +01:00
class InvalidateTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 3
2015-03-11 16:58:40 +01:00
def setup_network(self):
self.setup_nodes()
2015-03-11 16:58:40 +01:00
def run_test(self):
2017-03-08 00:46:17 +01:00
self.log.info("Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:")
self.log.info("Mine 4 blocks on Node 0")
self.nodes[0].generatetoaddress(4, self.nodes[0].get_deterministic_priv_key().address)
assert_equal(self.nodes[0].getblockcount(), 4)
besthash_n0 = self.nodes[0].getbestblockhash()
2015-03-11 16:58:40 +01:00
2017-03-08 00:46:17 +01:00
self.log.info("Mine competing 6 blocks on Node 1")
self.nodes[1].generatetoaddress(6, self.nodes[1].get_deterministic_priv_key().address)
assert_equal(self.nodes[1].getblockcount(), 6)
2015-03-11 16:58:40 +01:00
2017-03-08 00:46:17 +01:00
self.log.info("Connect nodes to force a reorg")
connect_nodes_bi(self.nodes, 0, 1)
sync_blocks(self.nodes[0:2])
assert_equal(self.nodes[0].getblockcount(), 6)
2015-03-11 16:58:40 +01:00
badhash = self.nodes[1].getblockhash(2)
2017-03-08 00:46:17 +01:00
self.log.info("Invalidate block 2 on node 0 and verify we reorg to node 0's original chain")
2015-03-11 16:58:40 +01:00
self.nodes[0].invalidateblock(badhash)
assert_equal(self.nodes[0].getblockcount(), 4)
assert_equal(self.nodes[0].getbestblockhash(), besthash_n0)
2015-03-11 16:58:40 +01:00
2017-03-08 00:46:17 +01:00
self.log.info("Make sure we won't reorg to a lower work chain:")
connect_nodes_bi(self.nodes, 1, 2)
2017-03-08 00:46:17 +01:00
self.log.info("Sync node 2 to node 1 so both have 6 blocks")
sync_blocks(self.nodes[1:3])
assert_equal(self.nodes[2].getblockcount(), 6)
2017-03-08 00:46:17 +01:00
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)
2017-03-08 00:46:17 +01:00
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)
2017-03-08 00:46:17 +01:00
self.log.info("..and then mine a block")
self.nodes[2].generatetoaddress(1, self.nodes[2].get_deterministic_priv_key().address)
2017-03-08 00:46:17 +01:00
self.log.info("Verify all nodes are at the right height")
wait_until(lambda: self.nodes[2].getblockcount() == 3, timeout=5)
wait_until(lambda: self.nodes[0].getblockcount() == 4, timeout=5)
wait_until(lambda: self.nodes[1].getblockcount() == 4, timeout=5)
self.log.info("Verify that we reconsider all ancestors as well")
blocks = self.nodes[1].generatetoaddress(10, ADDRESS_BCRT1_UNSPENDABLE)
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.nodes[1].generatetoaddress(10, ADDRESS_BCRT1_UNSPENDABLE)
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])
2015-03-11 16:58:40 +01:00
if __name__ == '__main__':
InvalidateTest().main()