diff options
| -rw-r--r-- | test/functional/test_framework/wallet.py | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/test/functional/test_framework/wallet.py b/test/functional/test_framework/wallet.py index 56ff69dc1..ae6aa6bdc 100644 --- a/test/functional/test_framework/wallet.py +++ b/test/functional/test_framework/wallet.py @@ -40,17 +40,17 @@ class MiniWallet: self._utxos.append({'txid': cb_tx['txid'], 'vout': 0, 'value': cb_tx['vout'][0]['value']}) return blocks - def send_self_transfer(self, *, fee_rate, from_node): + def send_self_transfer(self, *, fee_rate=Decimal("0.003"), from_node, utxo_to_spend=None): """Create and send a tx with the specified fee_rate. Fee may be exact or at most one satoshi higher than needed.""" self._utxos = sorted(self._utxos, key=lambda k: k['value']) - largest_utxo = self._utxos.pop() # Pick the largest utxo and hope it covers the fee + utxo_to_spend = utxo_to_spend or self._utxos.pop() # Pick the largest utxo (if none provided) and hope it covers the fee vsize = Decimal(96) - send_value = satoshi_round(largest_utxo['value'] - fee_rate * (vsize / 1000)) - fee = largest_utxo['value'] - send_value + send_value = satoshi_round(utxo_to_spend['value'] - fee_rate * (vsize / 1000)) + fee = utxo_to_spend['value'] - send_value assert send_value > 0 tx = CTransaction() - tx.vin = [CTxIn(COutPoint(int(largest_utxo['txid'], 16), largest_utxo['vout']))] + tx.vin = [CTxIn(COutPoint(int(utxo_to_spend['txid'], 16), utxo_to_spend['vout']))] tx.vout = [CTxOut(int(send_value * COIN), self._scriptPubKey)] tx.wit.vtxinwit = [CTxInWitness()] tx.wit.vtxinwit[0].scriptWitness.stack = [CScript([OP_TRUE])] |