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.
76 lines
3.1 KiB
76 lines
3.1 KiB
#!/usr/bin/env python2 |
|
# Copyright (c) 2014 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 InvalidateBlock code |
|
# |
|
|
|
from test_framework import BitcoinTestFramework |
|
from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException |
|
from util import * |
|
|
|
class InvalidateTest(BitcoinTestFramework): |
|
|
|
|
|
def setup_chain(self): |
|
print("Initializing test directory "+self.options.tmpdir) |
|
initialize_chain_clean(self.options.tmpdir, 3) |
|
|
|
def setup_network(self): |
|
self.nodes = [] |
|
self.is_network_split = False |
|
self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"])) |
|
self.nodes.append(start_node(1, self.options.tmpdir, ["-debug"])) |
|
self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"])) |
|
|
|
def run_test(self): |
|
print "Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:" |
|
print "Mine 4 blocks on Node 0" |
|
self.nodes[0].generate(4) |
|
assert(self.nodes[0].getblockcount() == 4) |
|
besthash = self.nodes[0].getbestblockhash() |
|
|
|
print "Mine competing 6 blocks on Node 1" |
|
self.nodes[1].generate(6) |
|
assert(self.nodes[1].getblockcount() == 6) |
|
|
|
print "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) |
|
|
|
print "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)) |
|
|
|
print "\nMake sure we won't reorg to a lower work chain:" |
|
connect_nodes_bi(self.nodes,1,2) |
|
print "Sync node 2 to node 1 so both have 6 blocks" |
|
sync_blocks(self.nodes[1:3]) |
|
assert(self.nodes[2].getblockcount() == 6) |
|
print "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) |
|
print "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) |
|
print "..and then mine a block" |
|
self.nodes[2].generate(1) |
|
print "Verify all nodes are at the right height" |
|
time.sleep(5) |
|
for i in xrange(3): |
|
print i,self.nodes[i].getblockcount() |
|
assert(self.nodes[2].getblockcount() == 3) |
|
assert(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()
|
|
|