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Differential D6153 Diff 20334 test/functional/wallet_txn_doublespend.py

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test/functional/wallet_txn_doublespend.py

#!/usr/bin/env python3 #!/usr/bin/env python3
# Copyright (c) 2014-2019 The Bitcoin Core developers # Copyright (c) 2014-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying # Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php. # file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the wallet accounts properly when there is a double-spend conflict.""" """Test the wallet accounts properly when there is a double-spend conflict."""
from decimal import Decimal from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import ( from test_framework.util import (
assert_equal, assert_equal,
connect_nodes, connect_nodes,
disconnect_nodes, disconnect_nodes,
find_output, find_output,
sync_blocks,
) )
class TxnMallTest(BitcoinTestFramework): class TxnMallTest(BitcoinTestFramework):
def set_test_params(self): def set_test_params(self):
self.num_nodes = 4 self.num_nodes = 4
self.extra_args = [["-noparkdeepreorg"], ["-noparkdeepreorg"], [], []] self.extra_args = [["-noparkdeepreorg"], ["-noparkdeepreorg"], [], []]
▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines def run_test(self):
# Create two spends using 1 50 BCH coin each # Create two spends using 1 50 BCH coin each
txid1 = self.nodes[0].sendtoaddress(node1_address, 40) txid1 = self.nodes[0].sendtoaddress(node1_address, 40)
txid2 = self.nodes[0].sendtoaddress(node1_address, 20) txid2 = self.nodes[0].sendtoaddress(node1_address, 20)
# Have node0 mine a block: # Have node0 mine a block:
if (self.options.mine_block): if (self.options.mine_block):
self.nodes[0].generate(1) self.nodes[0].generate(1)
sync_blocks(self.nodes[0:2]) self.sync_blocks(self.nodes[0:2])
tx1 = self.nodes[0].gettransaction(txid1) tx1 = self.nodes[0].gettransaction(txid1)
tx2 = self.nodes[0].gettransaction(txid2) tx2 = self.nodes[0].gettransaction(txid2)
# Node0's balance should be starting balance, plus 50BTC for another # Node0's balance should be starting balance, plus 50BTC for another
# matured block, minus 40, minus 20, and minus transaction fees: # matured block, minus 40, minus 20, and minus transaction fees:
expected = starting_balance + fund_foo_tx["fee"] + fund_bar_tx["fee"] expected = starting_balance + fund_foo_tx["fee"] + fund_bar_tx["fee"]
if self.options.mine_block: if self.options.mine_block:
Show All 17 Lines def run_test(self):
self.nodes[2].sendrawtransaction(fund_bar_tx["hex"]) self.nodes[2].sendrawtransaction(fund_bar_tx["hex"])
doublespend_txid = self.nodes[2].sendrawtransaction(doublespend["hex"]) doublespend_txid = self.nodes[2].sendrawtransaction(doublespend["hex"])
# ... mine a block... # ... mine a block...
self.nodes[2].generate(1) self.nodes[2].generate(1)
# Reconnect the split network, and sync chain: # Reconnect the split network, and sync chain:
connect_nodes(self.nodes[1], self.nodes[2]) connect_nodes(self.nodes[1], self.nodes[2])
self.nodes[2].generate(1) # Mine another block to make sure we sync self.nodes[2].generate(1) # Mine another block to make sure we sync
sync_blocks(self.nodes) self.sync_blocks()
assert_equal(self.nodes[0].gettransaction( assert_equal(self.nodes[0].gettransaction(
doublespend_txid)["confirmations"], 2) doublespend_txid)["confirmations"], 2)
# Re-fetch transaction info: # Re-fetch transaction info:
tx1 = self.nodes[0].gettransaction(txid1) tx1 = self.nodes[0].gettransaction(txid1)
tx2 = self.nodes[0].gettransaction(txid2) tx2 = self.nodes[0].gettransaction(txid2)
# Both transactions should be conflicted # Both transactions should be conflicted
Show All 17 Lines