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17bb230d74
7148b74dc[tests] Functional tests must explicitly set num_nodes (John Newbery)5448a1471[tests] don't override __init__() in individual tests (John Newbery)6cf094a02[tests] Avoid passing around member variables in test_framework (John Newbery)36b626867[tests] TestNode: separate add_node from start_node (John Newbery)be2a2ab6a[tests] fix - use rpc_timeout as rpc timeout (John Newbery) Pull request description: Some additional tidyups after the introduction of TestNode: - commit 1 makes TestNode use the correct rpc timeout. This should have been included in #11077 - commit 2 separates `add_node()` from `start_node()` as originally discussed here: https://github.com/bitcoin/bitcoin/pull/10556#discussion_r121161453 with @kallewoof . The test writer no longer needs to assign to `self.nodes` when starting/stopping nodes. - commit 3 adds a `set_test_params()` method, so individual tests don't need to override `__init__()` and call `super().__init__()` Tree-SHA512: 0adb030623b96675b5c29e2890ce99ccd837ed05f721d0c91b35378c5ac01b6658174aac12f1f77402e1d38b61f39b3c43b4df85c96952565dde1cda05b0db84
144 lines
6.5 KiB
Python
Executable File
144 lines
6.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 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 wallet accounts properly when there is a double-spend conflict."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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class TxnMallTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 4
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def add_options(self, parser):
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parser.add_option("--mineblock", dest="mine_block", default=False, action="store_true",
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help="Test double-spend of 1-confirmed transaction")
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def setup_network(self):
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# Start with split network:
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super().setup_network()
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disconnect_nodes(self.nodes[1], 2)
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disconnect_nodes(self.nodes[2], 1)
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def run_test(self):
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# All nodes should start with 12,500 DASH:
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starting_balance = 12500
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for i in range(4):
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assert_equal(self.nodes[i].getbalance(), starting_balance)
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self.nodes[i].getnewaddress("") # bug workaround, coins generated assigned to first getnewaddress!
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# Assign coins to foo and bar accounts:
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node0_address_foo = self.nodes[0].getnewaddress("foo")
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fund_foo_txid = self.nodes[0].sendfrom("", node0_address_foo, 12190)
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fund_foo_tx = self.nodes[0].gettransaction(fund_foo_txid)
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node0_address_bar = self.nodes[0].getnewaddress("bar")
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fund_bar_txid = self.nodes[0].sendfrom("", node0_address_bar, 290)
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fund_bar_tx = self.nodes[0].gettransaction(fund_bar_txid)
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assert_equal(self.nodes[0].getbalance(""),
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starting_balance - 12190 - 290 + fund_foo_tx["fee"] + fund_bar_tx["fee"])
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# Coins are sent to node1_address
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node1_address = self.nodes[1].getnewaddress("from0")
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# First: use raw transaction API to send 12400 DASH to node1_address,
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# but don't broadcast:
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doublespend_fee = Decimal('-.02')
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rawtx_input_0 = {}
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rawtx_input_0["txid"] = fund_foo_txid
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rawtx_input_0["vout"] = find_output(self.nodes[0], fund_foo_txid, 12190)
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rawtx_input_1 = {}
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rawtx_input_1["txid"] = fund_bar_txid
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rawtx_input_1["vout"] = find_output(self.nodes[0], fund_bar_txid, 290)
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inputs = [rawtx_input_0, rawtx_input_1]
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change_address = self.nodes[0].getnewaddress()
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outputs = {}
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outputs[node1_address] = 12400
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outputs[change_address] = 12480 - 12400 + doublespend_fee
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rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
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doublespend = self.nodes[0].signrawtransaction(rawtx)
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assert_equal(doublespend["complete"], True)
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# Create two spends using 1 500 DASH coin each
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txid1 = self.nodes[0].sendfrom("foo", node1_address, 400, 0)
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txid2 = self.nodes[0].sendfrom("bar", node1_address, 200, 0)
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# Have node0 mine a block:
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if (self.options.mine_block):
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self.nodes[0].generate(1)
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sync_blocks(self.nodes[0:2])
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tx1 = self.nodes[0].gettransaction(txid1)
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tx2 = self.nodes[0].gettransaction(txid2)
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# Node0's balance should be starting balance, plus 500DASH for another
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# matured block, minus 400, minus 200, and minus transaction fees:
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expected = starting_balance + fund_foo_tx["fee"] + fund_bar_tx["fee"]
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if self.options.mine_block: expected += 500
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expected += tx1["amount"] + tx1["fee"]
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expected += tx2["amount"] + tx2["fee"]
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assert_equal(self.nodes[0].getbalance(), expected)
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# foo and bar accounts should be debited:
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assert_equal(self.nodes[0].getbalance("foo", 0), 12190+tx1["amount"]+tx1["fee"])
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assert_equal(self.nodes[0].getbalance("bar", 0), 290+tx2["amount"]+tx2["fee"])
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if self.options.mine_block:
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assert_equal(tx1["confirmations"], 1)
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assert_equal(tx2["confirmations"], 1)
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# Node1's "from0" balance should be both transaction amounts:
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assert_equal(self.nodes[1].getbalance("from0"), -(tx1["amount"]+tx2["amount"]))
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else:
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assert_equal(tx1["confirmations"], 0)
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assert_equal(tx2["confirmations"], 0)
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# Now give doublespend and its parents to miner:
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self.nodes[2].sendrawtransaction(fund_foo_tx["hex"])
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self.nodes[2].sendrawtransaction(fund_bar_tx["hex"])
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doublespend_txid = self.nodes[2].sendrawtransaction(doublespend["hex"])
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# ... mine a block...
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self.nodes[2].generate(1)
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# Reconnect the split network, and sync chain:
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connect_nodes(self.nodes[1], 2)
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self.nodes[2].generate(1) # Mine another block to make sure we sync
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sync_blocks(self.nodes)
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assert_equal(self.nodes[0].gettransaction(doublespend_txid)["confirmations"], 2)
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# Re-fetch transaction info:
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tx1 = self.nodes[0].gettransaction(txid1)
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tx2 = self.nodes[0].gettransaction(txid2)
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# Both transactions should be conflicted
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assert_equal(tx1["confirmations"], -2)
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assert_equal(tx2["confirmations"], -2)
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# Node0's total balance should be starting balance, plus 1000DASH for
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# two more matured blocks, minus 12400 for the double-spend, plus fees (which are
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# negative):
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expected = starting_balance + 1000 - 12400 + fund_foo_tx["fee"] + fund_bar_tx["fee"] + doublespend_fee
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assert_equal(self.nodes[0].getbalance(), expected)
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assert_equal(self.nodes[0].getbalance("*"), expected)
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# Final "" balance is starting_balance - amount moved to accounts - doublespend + subsidies +
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# fees (which are negative)
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assert_equal(self.nodes[0].getbalance("foo"), 12190)
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assert_equal(self.nodes[0].getbalance("bar"), 290)
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assert_equal(self.nodes[0].getbalance(""), starting_balance
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-12190
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- 290
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-12400
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+ 1000
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+ fund_foo_tx["fee"]
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+ fund_bar_tx["fee"]
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+ doublespend_fee)
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# Node1's "from0" account balance should be just the doublespend:
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assert_equal(self.nodes[1].getbalance("from0"), 12400)
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if __name__ == '__main__':
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TxnMallTest().main()
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