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test/functional/wallet_txn_clone.py
149 строк
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MarcoFalke
test: Allow --usecli in tests that already support it
26 май 2026, 08:47
26 май 2026, 08:47
fa24693
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#!/usr/bin/env python3 # Copyright (c) 2014-present 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 wallet accounts properly when there are cloned transactions with malleated scriptsigs.""" from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, ) from test_framework.messages import ( COIN, tx_from_hex, ) class TxnMallTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 3 self.extra_args = [[] for i in range(self.num_nodes)] def skip_test_if_missing_module(self): self.skip_if_no_wallet() def add_options(self, parser): parser.add_argument("--mineblock", dest="mine_block", default=False, action="store_true", help="Test double-spend of 1-confirmed transaction") parser.add_argument("--segwit", dest="segwit", default=False, action="store_true", help="Test behaviour with SegWit txn (which should fail)") def setup_network(self): # Start with split network: super().setup_network() self.disconnect_nodes(1, 2) def spend_utxo(self, utxo, outputs): inputs = [utxo] tx = self.nodes[0].createrawtransaction(inputs, outputs) tx = self.nodes[0].fundrawtransaction(tx, fee_rate=100) tx = self.nodes[0].signrawtransactionwithwallet(tx['hex']) return self.nodes[0].sendrawtransaction(tx['hex']) def run_test(self): if self.options.segwit: output_type = "p2sh-segwit" else: output_type = "legacy" # All nodes should start with 1,250 BTC: starting_balance = 1250 for i in range(3): assert_equal(self.nodes[i].getbalance(), starting_balance) node0_address1 = self.nodes[0].getnewaddress(address_type=output_type) node0_utxo1 = self.create_outpoints(self.nodes[0], outputs=[{node0_address1: 1219}])[0] node0_tx1 = self.nodes[0].gettransaction(node0_utxo1['txid']) self.nodes[0].lockunspent(False, [node0_utxo1]) node0_address2 = self.nodes[0].getnewaddress(address_type=output_type) node0_utxo2 = self.create_outpoints(self.nodes[0], outputs=[{node0_address2: 29}])[0] node0_tx2 = self.nodes[0].gettransaction(node0_utxo2['txid']) assert_equal(self.nodes[0].getbalance(), starting_balance + node0_tx1["fee"] + node0_tx2["fee"]) # Coins are sent to node1_address node1_address = self.nodes[1].getnewaddress() # Send tx1, and another transaction tx2 that won't be cloned txid1 = self.spend_utxo(node0_utxo1, {node1_address: 40}) txid2 = self.spend_utxo(node0_utxo2, {node1_address: 20}) # Construct a clone of tx1, to be malleated rawtx1 = self.nodes[0].getrawtransaction(txid1, 1) clone_inputs = [{"txid": rawtx1["vin"][0]["txid"], "vout": rawtx1["vin"][0]["vout"], "sequence": rawtx1["vin"][0]["sequence"]}] clone_outputs = {rawtx1["vout"][0]["scriptPubKey"]["address"]: rawtx1["vout"][0]["value"], rawtx1["vout"][1]["scriptPubKey"]["address"]: rawtx1["vout"][1]["value"]} clone_locktime = rawtx1["locktime"] clone_raw = self.nodes[0].createrawtransaction(clone_inputs, clone_outputs, clone_locktime) # createrawtransaction randomizes the order of its outputs, so swap them if necessary. clone_tx = tx_from_hex(clone_raw) if (rawtx1["vout"][0]["value"] == 40 and clone_tx.vout[0].nValue != 40*COIN or rawtx1["vout"][0]["value"] != 40 and clone_tx.vout[0].nValue == 40*COIN): (clone_tx.vout[0], clone_tx.vout[1]) = (clone_tx.vout[1], clone_tx.vout[0]) # Use a different signature hash type to sign. This creates an equivalent but malleated clone. # Don't send the clone anywhere yet tx1_clone = self.nodes[0].signrawtransactionwithwallet(clone_tx.serialize().hex(), None, "ALL|ANYONECANPAY") assert_equal(tx1_clone["complete"], True) # Have node0 mine a block, if requested: if (self.options.mine_block): self.generate(self.nodes[0], 1, sync_fun=lambda: self.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 50BTC for another # matured block, minus tx1 and tx2 amounts, and minus transaction fees: expected = starting_balance + node0_tx1["fee"] + node0_tx2["fee"] if self.options.mine_block: expected += 50 expected += tx1["amount"] + tx1["fee"] expected += tx2["amount"] + tx2["fee"] assert_equal(self.nodes[0].getbalance(), expected) if self.options.mine_block: assert_equal(tx1["confirmations"], 1) assert_equal(tx2["confirmations"], 1) else: assert_equal(tx1["confirmations"], 0) assert_equal(tx2["confirmations"], 0) # Send clone and its parent to miner self.nodes[2].sendrawtransaction(node0_tx1["hex"]) txid1_clone = self.nodes[2].sendrawtransaction(tx1_clone["hex"]) if self.options.segwit: assert_equal(txid1, txid1_clone) return # ... mine a block... self.generate(self.nodes[2], 1, sync_fun=self.no_op) # Reconnect the split network, and sync chain: self.connect_nodes(1, 2) self.nodes[2].sendrawtransaction(node0_tx2["hex"]) self.nodes[2].sendrawtransaction(tx2["hex"]) self.generate(self.nodes[2], 1) # Mine another block to make sure we sync # Re-fetch transaction info: tx1 = self.nodes[0].gettransaction(txid1) tx1_clone = self.nodes[0].gettransaction(txid1_clone) tx2 = self.nodes[0].gettransaction(txid2) # Verify expected confirmations assert_equal(tx1["confirmations"], -2) assert_equal(tx1_clone["confirmations"], 2) assert_equal(tx2["confirmations"], 1) # Check node0's total balance; should be same as before the clone, + 100 BTC for 2 matured, # less possible orphaned matured subsidy expected += 100 if (self.options.mine_block): expected -= 50 assert_equal(self.nodes[0].getbalance(), expected) if __name__ == '__main__': TxnMallTest(__file__).main()