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-rw-r--r--test/functional/test_framework/util.py23
1 files changed, 13 insertions, 10 deletions
diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py
index 26215083fb..efd962ea93 100644
--- a/test/functional/test_framework/util.py
+++ b/test/functional/test_framework/util.py
@@ -19,6 +19,7 @@ import time
from . import coverage
from .authproxy import AuthServiceProxy, JSONRPCException
+from io import BytesIO
logger = logging.getLogger("TestFramework.utils")
@@ -515,14 +516,13 @@ def gen_return_txouts():
for i in range(512):
script_pubkey = script_pubkey + "01"
# concatenate 128 txouts of above script_pubkey which we'll insert before the txout for change
- txouts = "81"
+ txouts = []
+ from .messages import CTxOut
+ txout = CTxOut()
+ txout.nValue = 0
+ txout.scriptPubKey = hex_str_to_bytes(script_pubkey)
for k in range(128):
- # add txout value
- txouts = txouts + "0000000000000000"
- # add length of script_pubkey
- txouts = txouts + "fd0402"
- # add script_pubkey
- txouts = txouts + script_pubkey
+ txouts.append(txout)
return txouts
# Create a spend of each passed-in utxo, splicing in "txouts" to each raw
@@ -530,6 +530,7 @@ def gen_return_txouts():
def create_lots_of_big_transactions(node, txouts, utxos, num, fee):
addr = node.getnewaddress()
txids = []
+ from .messages import CTransaction
for _ in range(num):
t = utxos.pop()
inputs = [{"txid": t["txid"], "vout": t["vout"]}]
@@ -537,9 +538,11 @@ def create_lots_of_big_transactions(node, txouts, utxos, num, fee):
change = t['amount'] - fee
outputs[addr] = satoshi_round(change)
rawtx = node.createrawtransaction(inputs, outputs)
- newtx = rawtx[0:92]
- newtx = newtx + txouts
- newtx = newtx + rawtx[94:]
+ tx = CTransaction()
+ tx.deserialize(BytesIO(hex_str_to_bytes(rawtx)))
+ for txout in txouts:
+ tx.vout.append(txout)
+ newtx = tx.serialize().hex()
signresult = node.signrawtransactionwithwallet(newtx, None, "NONE")
txid = node.sendrawtransaction(signresult["hex"], 0)
txids.append(txid)