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dad8c67d38
64c0800Use logging in individual tests (John Newbery)38ad281Use logging in test_framework/comptool.py (John Newbery)ff19073Use logging in test_framework/blockstore.py (John Newbery)2a9c7c7Use logging in test_framework/util.py (John Newbery)b0dec4aRemove manual debug settings in qa tests. (John Newbery)af1363cAlways enable debug log and microsecond logging for test nodes. (John Newbery)6d0e325Use logging in mininode.py (John Newbery)553a976Add logging to p2p-segwit.py (John Newbery)0e6d23dAdd logging to test_framework.py (John Newbery) Tree-SHA512: 42ee2acbf444ec32d796f930f9f6e272da03c75e93d974a126d4ea9b2dbaa77cc57ab5e63ce3fd33d609049d884eb8d9f65272c08922d10f8db69d4a60ad05a3
116 lines
5.0 KiB
Python
Executable File
116 lines
5.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test the preciousblock RPC."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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connect_nodes_bi,
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sync_chain,
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sync_blocks,
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)
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def unidirectional_node_sync_via_rpc(node_src, node_dest):
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blocks_to_copy = []
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blockhash = node_src.getbestblockhash()
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while True:
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try:
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assert(len(node_dest.getblock(blockhash, False)) > 0)
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break
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except:
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blocks_to_copy.append(blockhash)
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blockhash = node_src.getblockheader(blockhash, True)['previousblockhash']
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blocks_to_copy.reverse()
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for blockhash in blocks_to_copy:
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blockdata = node_src.getblock(blockhash, False)
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assert(node_dest.submitblock(blockdata) in (None, 'inconclusive'))
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def node_sync_via_rpc(nodes):
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for node_src in nodes:
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for node_dest in nodes:
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if node_src is node_dest:
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continue
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unidirectional_node_sync_via_rpc(node_src, node_dest)
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class PreciousTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.setup_clean_chain = True
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self.num_nodes = 3
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def setup_network(self):
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self.nodes = self.setup_nodes()
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def run_test(self):
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self.log.info("Ensure submitblock can in principle reorg to a competing chain")
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self.nodes[0].generate(1)
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assert_equal(self.nodes[0].getblockcount(), 1)
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(hashY, hashZ) = self.nodes[1].generate(2)
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assert_equal(self.nodes[1].getblockcount(), 2)
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node_sync_via_rpc(self.nodes[0:3])
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assert_equal(self.nodes[0].getbestblockhash(), hashZ)
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self.log.info("Mine blocks A-B-C on Node 0")
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(hashA, hashB, hashC) = self.nodes[0].generate(3)
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assert_equal(self.nodes[0].getblockcount(), 5)
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self.log.info("Mine competing blocks E-F-G on Node 1")
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(hashE, hashF, hashG) = self.nodes[1].generate(3)
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assert_equal(self.nodes[1].getblockcount(), 5)
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assert(hashC != hashG)
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self.log.info("Connect nodes and check no reorg occurs")
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# Submit competing blocks via RPC so any reorg should occur before we proceed (no way to wait on inaction for p2p sync)
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node_sync_via_rpc(self.nodes[0:2])
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connect_nodes_bi(self.nodes,0,1)
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assert_equal(self.nodes[0].getbestblockhash(), hashC)
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assert_equal(self.nodes[1].getbestblockhash(), hashG)
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self.log.info("Make Node0 prefer block G")
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self.nodes[0].preciousblock(hashG)
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assert_equal(self.nodes[0].getbestblockhash(), hashG)
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self.log.info("Make Node0 prefer block C again")
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self.nodes[0].preciousblock(hashC)
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assert_equal(self.nodes[0].getbestblockhash(), hashC)
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self.log.info("Make Node1 prefer block C")
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self.nodes[1].preciousblock(hashC)
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sync_chain(self.nodes[0:2]) # wait because node 1 may not have downloaded hashC
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assert_equal(self.nodes[1].getbestblockhash(), hashC)
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self.log.info("Make Node1 prefer block G again")
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self.nodes[1].preciousblock(hashG)
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assert_equal(self.nodes[1].getbestblockhash(), hashG)
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self.log.info("Make Node0 prefer block G again")
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self.nodes[0].preciousblock(hashG)
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assert_equal(self.nodes[0].getbestblockhash(), hashG)
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self.log.info("Make Node1 prefer block C again")
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self.nodes[1].preciousblock(hashC)
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assert_equal(self.nodes[1].getbestblockhash(), hashC)
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self.log.info("Mine another block (E-F-G-)H on Node 0 and reorg Node 1")
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self.nodes[0].generate(1)
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assert_equal(self.nodes[0].getblockcount(), 6)
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sync_blocks(self.nodes[0:2])
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hashH = self.nodes[0].getbestblockhash()
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assert_equal(self.nodes[1].getbestblockhash(), hashH)
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self.log.info("Node1 should not be able to prefer block C anymore")
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self.nodes[1].preciousblock(hashC)
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assert_equal(self.nodes[1].getbestblockhash(), hashH)
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self.log.info("Mine competing blocks I-J-K-L on Node 2")
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self.nodes[2].generate(4)
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assert_equal(self.nodes[2].getblockcount(), 6)
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hashL = self.nodes[2].getbestblockhash()
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self.log.info("Connect nodes and check no reorg occurs")
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node_sync_via_rpc(self.nodes[1:3])
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connect_nodes_bi(self.nodes,1,2)
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connect_nodes_bi(self.nodes,0,2)
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assert_equal(self.nodes[0].getbestblockhash(), hashH)
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assert_equal(self.nodes[1].getbestblockhash(), hashH)
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assert_equal(self.nodes[2].getbestblockhash(), hashL)
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self.log.info("Make Node1 prefer block L")
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self.nodes[1].preciousblock(hashL)
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assert_equal(self.nodes[1].getbestblockhash(), hashL)
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self.log.info("Make Node2 prefer block H")
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self.nodes[2].preciousblock(hashH)
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assert_equal(self.nodes[2].getbestblockhash(), hashH)
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if __name__ == '__main__':
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PreciousTest().main()
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