You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
2.7 KiB
64 lines
2.7 KiB
#!/usr/bin/env python3 |
|
# Copyright (c) 2014-2017 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.util import * |
|
|
|
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.nodes[0].generate(4) |
|
assert(self.nodes[0].getblockcount() == 4) |
|
besthash = self.nodes[0].getbestblockhash() |
|
|
|
self.log.info("Mine competing 6 blocks on Node 1") |
|
self.nodes[1].generate(6) |
|
assert(self.nodes[1].getblockcount() == 6) |
|
|
|
self.log.info("Connect nodes to force a reorg") |
|
connect_nodes_bi(self.nodes,0,1) |
|
sync_blocks(self.nodes[0:2]) |
|
assert(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) |
|
newheight = self.nodes[0].getblockcount() |
|
newhash = self.nodes[0].getbestblockhash() |
|
if (newheight != 4 or newhash != besthash): |
|
raise AssertionError("Wrong tip for node0, hash %s, height %d"%(newhash,newheight)) |
|
|
|
self.log.info("Make sure we won't reorg to a lower work chain:") |
|
connect_nodes_bi(self.nodes,1,2) |
|
self.log.info("Sync node 2 to node 1 so both have 6 blocks") |
|
sync_blocks(self.nodes[1:3]) |
|
assert(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(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(self.nodes[2].getblockcount() == 2) |
|
self.log.info("..and then mine a block") |
|
self.nodes[2].generate(1) |
|
self.log.info("Verify all nodes are at the right height") |
|
time.sleep(5) |
|
assert_equal(self.nodes[2].getblockcount(), 3) |
|
assert_equal(self.nodes[0].getblockcount(), 4) |
|
node1height = self.nodes[1].getblockcount() |
|
if node1height < 4: |
|
raise AssertionError("Node 1 reorged to a lower height: %d"%node1height) |
|
|
|
if __name__ == '__main__': |
|
InvalidateTest().main()
|
|
|