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-rwxr-xr-xtest/functional/wallet_txn_clone.py17
1 files changed, 7 insertions, 10 deletions
diff --git a/test/functional/wallet_txn_clone.py b/test/functional/wallet_txn_clone.py
index 1c2e0a9cb7..2f927502ff 100755
--- a/test/functional/wallet_txn_clone.py
+++ b/test/functional/wallet_txn_clone.py
@@ -4,6 +4,7 @@
# 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,
@@ -11,6 +12,7 @@ from test_framework.util import (
disconnect_nodes,
sync_blocks,
)
+from test_framework.messages import CTransaction, COIN
class TxnMallTest(BitcoinTestFramework):
def set_test_params(self):
@@ -72,19 +74,14 @@ class TxnMallTest(BitcoinTestFramework):
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: