143 lines
6.4 KiB
Python
Executable File
143 lines
6.4 KiB
Python
Executable File
#!/usr/bin/env python2
|
|
# Copyright (c) 2014-2015 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 proper accounting with a double-spend conflict
|
|
#
|
|
|
|
from test_framework.test_framework import BitcoinTestFramework
|
|
from test_framework.util import *
|
|
|
|
class TxnMallTest(BitcoinTestFramework):
|
|
|
|
def add_options(self, parser):
|
|
parser.add_option("--mineblock", dest="mine_block", default=False, action="store_true",
|
|
help="Test double-spend of 1-confirmed transaction")
|
|
|
|
def setup_network(self):
|
|
# Start with split network:
|
|
return super(TxnMallTest, self).setup_network(True)
|
|
|
|
def run_test(self):
|
|
# All nodes should start with 12,500 NBY:
|
|
starting_balance = 12500
|
|
for i in range(4):
|
|
assert_equal(self.nodes[i].getbalance(), starting_balance)
|
|
self.nodes[i].getnewaddress("") # bug workaround, coins generated assigned to first getnewaddress!
|
|
|
|
# Assign coins to foo and bar accounts:
|
|
node0_address_foo = self.nodes[0].getnewaddress("foo")
|
|
fund_foo_txid = self.nodes[0].sendfrom("", node0_address_foo, 12190)
|
|
fund_foo_tx = self.nodes[0].gettransaction(fund_foo_txid)
|
|
|
|
node0_address_bar = self.nodes[0].getnewaddress("bar")
|
|
fund_bar_txid = self.nodes[0].sendfrom("", node0_address_bar, 290)
|
|
fund_bar_tx = self.nodes[0].gettransaction(fund_bar_txid)
|
|
|
|
assert_equal(self.nodes[0].getbalance(""),
|
|
starting_balance - 12190 - 290 + fund_foo_tx["fee"] + fund_bar_tx["fee"])
|
|
|
|
# Coins are sent to node1_address
|
|
node1_address = self.nodes[1].getnewaddress("from0")
|
|
|
|
# First: use raw transaction API to send 12400 NBY to node1_address,
|
|
# but don't broadcast:
|
|
doublespend_fee = Decimal('-.02')
|
|
rawtx_input_0 = {}
|
|
rawtx_input_0["txid"] = fund_foo_txid
|
|
rawtx_input_0["vout"] = find_output(self.nodes[0], fund_foo_txid, 12190)
|
|
rawtx_input_1 = {}
|
|
rawtx_input_1["txid"] = fund_bar_txid
|
|
rawtx_input_1["vout"] = find_output(self.nodes[0], fund_bar_txid, 290)
|
|
inputs = [rawtx_input_0, rawtx_input_1]
|
|
change_address = self.nodes[0].getnewaddress()
|
|
outputs = {}
|
|
outputs[node1_address] = 12400
|
|
outputs[change_address] = 12480 - 12400 + doublespend_fee
|
|
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
|
|
doublespend = self.nodes[0].signrawtransaction(rawtx)
|
|
assert_equal(doublespend["complete"], True)
|
|
|
|
# Create two spends using 1 500 NBY coin each
|
|
txid1 = self.nodes[0].sendfrom("foo", node1_address, 400, 0)
|
|
txid2 = self.nodes[0].sendfrom("bar", node1_address, 200, 0)
|
|
|
|
# Have node0 mine a block:
|
|
if (self.options.mine_block):
|
|
self.nodes[0].generate(1)
|
|
sync_blocks(self.nodes[0:2])
|
|
|
|
tx1 = self.nodes[0].gettransaction(txid1)
|
|
tx2 = self.nodes[0].gettransaction(txid2)
|
|
|
|
# Node0's balance should be starting balance, plus 500NBY for another
|
|
# matured block, minus 400, minus 200, and minus transaction fees:
|
|
expected = starting_balance + fund_foo_tx["fee"] + fund_bar_tx["fee"]
|
|
if self.options.mine_block: expected += 500
|
|
expected += tx1["amount"] + tx1["fee"]
|
|
expected += tx2["amount"] + tx2["fee"]
|
|
assert_equal(self.nodes[0].getbalance(), expected)
|
|
|
|
# foo and bar accounts should be debited:
|
|
assert_equal(self.nodes[0].getbalance("foo", 0), 12190+tx1["amount"]+tx1["fee"])
|
|
assert_equal(self.nodes[0].getbalance("bar", 0), 290+tx2["amount"]+tx2["fee"])
|
|
|
|
if self.options.mine_block:
|
|
assert_equal(tx1["confirmations"], 1)
|
|
assert_equal(tx2["confirmations"], 1)
|
|
# Node1's "from0" balance should be both transaction amounts:
|
|
assert_equal(self.nodes[1].getbalance("from0"), -(tx1["amount"]+tx2["amount"]))
|
|
else:
|
|
assert_equal(tx1["confirmations"], 0)
|
|
assert_equal(tx2["confirmations"], 0)
|
|
|
|
# Now give doublespend and its parents to miner:
|
|
self.nodes[2].sendrawtransaction(fund_foo_tx["hex"])
|
|
self.nodes[2].sendrawtransaction(fund_bar_tx["hex"])
|
|
doublespend_txid = self.nodes[2].sendrawtransaction(doublespend["hex"])
|
|
# ... mine a block...
|
|
self.nodes[2].generate(1)
|
|
|
|
# Reconnect the split network, and sync chain:
|
|
connect_nodes(self.nodes[1], 2)
|
|
self.nodes[2].generate(1) # Mine another block to make sure we sync
|
|
sync_blocks(self.nodes)
|
|
assert_equal(self.nodes[0].gettransaction(doublespend_txid)["confirmations"], 2)
|
|
|
|
# Re-fetch transaction info:
|
|
tx1 = self.nodes[0].gettransaction(txid1)
|
|
tx2 = self.nodes[0].gettransaction(txid2)
|
|
|
|
# Both transactions should be conflicted
|
|
assert_equal(tx1["confirmations"], -2)
|
|
assert_equal(tx2["confirmations"], -2)
|
|
|
|
# Node0's total balance should be starting balance, plus 1000NBY for
|
|
# two more matured blocks, minus 12400 for the double-spend, plus fees (which are
|
|
# negative):
|
|
expected = starting_balance + 1000 - 12400 + fund_foo_tx["fee"] + fund_bar_tx["fee"] + doublespend_fee
|
|
assert_equal(self.nodes[0].getbalance(), expected)
|
|
assert_equal(self.nodes[0].getbalance("*"), expected)
|
|
|
|
# Final "" balance is starting_balance - amount moved to accounts - doublespend + subsidies +
|
|
# fees (which are negative)
|
|
assert_equal(self.nodes[0].getbalance("foo"), 12190)
|
|
assert_equal(self.nodes[0].getbalance("bar"), 290)
|
|
assert_equal(self.nodes[0].getbalance(""), starting_balance
|
|
-12190
|
|
- 290
|
|
-12400
|
|
+ 1000
|
|
+ fund_foo_tx["fee"]
|
|
+ fund_bar_tx["fee"]
|
|
+ doublespend_fee)
|
|
|
|
# Node1's "from0" account balance should be just the doublespend:
|
|
assert_equal(self.nodes[1].getbalance("from0"), 12400)
|
|
|
|
if __name__ == '__main__':
|
|
TxnMallTest().main()
|
|
|