dash/qa/rpc-tests/invalidateblock.py
PastaPastaPasta 07dcddb4ca Backports 0.15 pr2 (#2597)
* Merge #9815: Trivial: use EXIT_ codes instead of magic numbers

a87d02a use EXIT_ codes instead of magic numbers (Marko Bencun)

* Merge #9801: Removed redundant parameter from mempool.PrioritiseTransaction

eaea2bb Removed redundant parameter from mempool.PrioritiseTransaction (gubatron)

* remove extra parameter (see 3a3745bb) in dash specific code

* Merge #9819: Remove harmless read of unusued priority estimates

bc8fd12 Remove harmless read of unusued priority estimates (Alex Morcos)

* Merge #9766: Add --exclude option to rpc-tests.py

c578408 Add exclude option to rpc-tests.py (John Newbery)

* Merge #9577: Fix docstrings in qa tests

3f95a80 Fix docstrings in qa tests (John Newbery)

* Merge #9823: qa: Set correct path for binaries in rpc tests

3333ad0 qa: Set correct path for binaries in rpc tests (MarcoFalke)

* Merge #9833: Trivial: fix comments referencing AppInit2

ef9f495 Trivial: fix comments referencing AppInit2 (Marko Bencun)

* Merge #9612: [trivial] Rephrase the definition of difficulty.

dc222f8 Trivial: Rephrase the definition of difficulty in the code. (Karl-Johan Alm)

* Merge #9847: Extra test vector for BIP32

30aedcb BIP32 extra test vector (Pieter Wuille)

* Merge #9839: [qa] Make import-rescan.py watchonly check reliable

864890a [qa] Make import-rescan.py watchonly check reliable (Russell Yanofsky)

Tree-SHA512: ea0e2b1d4fc8f35174c3d575fb751b428daf6ad3aa944fad4e3ddcc9195e4f17051473acabc54203b1d27cca64cf911b737ab92e986c40ef384410652e2dbea1

* Change back file params
2019-01-07 12:55:35 +03:00

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Python
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#!/usr/bin/env python3
# Copyright (c) 2014-2016 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 __init__(self):
super().__init__()
self.setup_clean_chain = True
self.num_nodes = 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 range(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()