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-rwxr-xr-xtest/functional/wallet_txn_clone.py45
1 files changed, 22 insertions, 23 deletions
diff --git a/test/functional/wallet_txn_clone.py b/test/functional/wallet_txn_clone.py
index aee84f7e90..b4e4cb1686 100755
--- a/test/functional/wallet_txn_clone.py
+++ b/test/functional/wallet_txn_clone.py
@@ -5,7 +5,12 @@
"""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 *
+from test_framework.util import (
+ assert_equal,
+ connect_nodes,
+ disconnect_nodes,
+ sync_blocks,
+)
class TxnMallTest(BitcoinTestFramework):
def set_test_params(self):
@@ -26,9 +31,9 @@ class TxnMallTest(BitcoinTestFramework):
def run_test(self):
if self.options.segwit:
- output_type="p2sh-segwit"
+ output_type = "p2sh-segwit"
else:
- output_type="legacy"
+ output_type = "legacy"
# All nodes should start with 1,250 BTC:
starting_balance = 1250
@@ -53,28 +58,27 @@ class TxnMallTest(BitcoinTestFramework):
# Coins are sent to node1_address
node1_address = self.nodes[1].getnewaddress("from0")
- # Send tx1, and another transaction tx2 that won't be cloned
+ # Send tx1, and another transaction tx2 that won't be cloned
txid1 = self.nodes[0].sendfrom("foo", node1_address, 40, 0)
txid2 = self.nodes[0].sendfrom("bar", node1_address, 20, 0)
- # 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_outputs = {rawtx1["vout"][0]["scriptPubKey"]["addresses"][0]:rawtx1["vout"][0]["value"],
- rawtx1["vout"][1]["scriptPubKey"]["addresses"][0]:rawtx1["vout"][1]["value"]}
+ # 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_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)
+ 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]
+ 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:]
# Use a different signature hash type to sign. This creates an equivalent but malleated clone.
@@ -142,7 +146,7 @@ class TxnMallTest(BitcoinTestFramework):
# 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):
+ if (self.options.mine_block):
expected -= 50
assert_equal(self.nodes[0].getbalance(), expected)
assert_equal(self.nodes[0].getbalance("*", 0), expected)
@@ -153,16 +157,11 @@ class TxnMallTest(BitcoinTestFramework):
# "bar" should have been debited by (possibly unconfirmed) tx2
assert_equal(self.nodes[0].getbalance("bar", 0), 29 + tx2["amount"] + tx2["fee"])
# "" should have starting balance, less funding txes, plus subsidies
- assert_equal(self.nodes[0].getbalance("", 0), starting_balance
- - 1219
- + fund_foo_tx["fee"]
- - 29
- + fund_bar_tx["fee"]
- + 100)
+ assert_equal(self.nodes[0].getbalance("", 0),
+ starting_balance - 1219 + fund_foo_tx["fee"] - 29 + fund_bar_tx["fee"] + 100)
# Node1's "from0" account balance
assert_equal(self.nodes[1].getbalance("from0", 0), -(tx1["amount"] + tx2["amount"]))
if __name__ == '__main__':
TxnMallTest().main()
-