diff options
| -rwxr-xr-x | qa/rpc-tests/txn_clone.py | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/qa/rpc-tests/txn_clone.py b/qa/rpc-tests/txn_clone.py index b1f603a192..62e76eb69f 100755 --- a/qa/rpc-tests/txn_clone.py +++ b/qa/rpc-tests/txn_clone.py @@ -57,16 +57,10 @@ class TxnMallTest(BitcoinTestFramework): clone_inputs = [{"txid":rawtx1["vin"][0]["txid"],"vout":rawtx1["vin"][0]["vout"]}] clone_outputs = {rawtx1["vout"][0]["scriptPubKey"]["addresses"][0]:rawtx1["vout"][0]["value"], rawtx1["vout"][1]["scriptPubKey"]["addresses"][0]:rawtx1["vout"][1]["value"]} - clone_raw = self.nodes[0].createrawtransaction(clone_inputs, clone_outputs) + clone_locktime = rawtx1["locktime"] + clone_raw = self.nodes[0].createrawtransaction(clone_inputs, clone_outputs, clone_locktime) - # 3 hex manipulations on the clone are required - - # manipulation 1. sequence is at version+#inputs+input+sigstub - posseq = 2*(4+1+36+1) - seqbe = '%08x' % rawtx1["vin"][0]["sequence"] - clone_raw = clone_raw[:posseq] + seqbe[6:8] + seqbe[4:6] + seqbe[2:4] + seqbe[0:2] + clone_raw[posseq + 8:] - - # manipulation 2. createrawtransaction randomizes the order of its outputs, so swap them if necessary. + # 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) @@ -78,11 +72,6 @@ class TxnMallTest(BitcoinTestFramework): output1 = clone_raw[pos0 + output_len : pos0 + 2 * output_len] clone_raw = clone_raw[:pos0] + output1 + output0 + clone_raw[pos0 + 2 * output_len:] - # manipulation 3. locktime is after outputs - poslt = pos0 + 2 * output_len - ltbe = '%08x' % rawtx1["locktime"] - clone_raw = clone_raw[:poslt] + ltbe[6:8] + ltbe[4:6] + ltbe[2:4] + ltbe[0:2] + clone_raw[poslt + 8:] - # 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].signrawtransaction(clone_raw, None, None, "ALL|ANYONECANPAY") |