diff options
Diffstat (limited to 'test/functional/wallet_txn_clone.py')
-rwxr-xr-x | test/functional/wallet_txn_clone.py | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/test/functional/wallet_txn_clone.py b/test/functional/wallet_txn_clone.py index 72ae2d5db7..60d7205887 100755 --- a/test/functional/wallet_txn_clone.py +++ b/test/functional/wallet_txn_clone.py @@ -1,26 +1,30 @@ #!/usr/bin/env python3 -# Copyright (c) 2014-2017 The Bitcoin Core developers +# Copyright (c) 2014-2019 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.""" +import io from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, connect_nodes, disconnect_nodes, - sync_blocks, ) +from test_framework.messages import CTransaction, COIN class TxnMallTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 4 + def skip_test_if_missing_module(self): + self.skip_if_no_wallet() + 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") - parser.add_option("--segwit", dest="segwit", default=False, action="store_true", - help="Test behaviour with SegWit txn (which should fail") + 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: @@ -62,32 +66,27 @@ class TxnMallTest(BitcoinTestFramework): # 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"]}] + clone_inputs = [{"txid": rawtx1["vin"][0]["txid"], "vout": rawtx1["vin"][0]["vout"], "sequence": rawtx1["vin"][0]["sequence"]}] clone_outputs = {rawtx1["vout"][0]["scriptPubKey"]["addresses"][0]: rawtx1["vout"][0]["value"], rawtx1["vout"][1]["scriptPubKey"]["addresses"][0]: 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. - # output 0 is at version+#inputs+input+sigstub+sequence+#outputs - # 40 BTC serialized is 00286bee00000000 - pos0 = 2 * (4 + 1 + 36 + 1 + 4 + 1) - hex40 = "00286bee00000000" - output_len = 16 + 2 + 2 * int("0x" + clone_raw[pos0 + 16:pos0 + 16 + 2], 0) - if (rawtx1["vout"][0]["value"] == 40 and clone_raw[pos0:pos0 + 16] != hex40 or rawtx1["vout"][0]["value"] != 40 and clone_raw[pos0:pos0 + 16] == hex40): - output0 = clone_raw[pos0:pos0 + output_len] - output1 = clone_raw[pos0 + output_len:pos0 + 2 * output_len] - clone_raw = clone_raw[:pos0] + output1 + output0 + clone_raw[pos0 + 2 * output_len:] + clone_tx = CTransaction() + clone_tx.deserialize(io.BytesIO(bytes.fromhex(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_raw, None, "ALL|ANYONECANPAY") + 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.nodes[0].generate(1) - sync_blocks(self.nodes[0:2]) + self.sync_blocks(self.nodes[0:2]) tx1 = self.nodes[0].gettransaction(txid1) tx2 = self.nodes[0].gettransaction(txid2) @@ -123,7 +122,7 @@ class TxnMallTest(BitcoinTestFramework): self.nodes[2].sendrawtransaction(node0_tx2["hex"]) self.nodes[2].sendrawtransaction(tx2["hex"]) self.nodes[2].generate(1) # Mine another block to make sure we sync - sync_blocks(self.nodes) + self.sync_blocks() # Re-fetch transaction info: tx1 = self.nodes[0].gettransaction(txid1) |