diff options
Diffstat (limited to 'test/functional/test_framework')
| -rw-r--r-- | test/functional/test_framework/wallet.py | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/test/functional/test_framework/wallet.py b/test/functional/test_framework/wallet.py index b671ecbaf2..374fda5c23 100644 --- a/test/functional/test_framework/wallet.py +++ b/test/functional/test_framework/wallet.py @@ -39,6 +39,7 @@ from test_framework.script import ( LegacySignatureHash, LEAF_VERSION_TAPSCRIPT, OP_NOP, + OP_RETURN, OP_TRUE, SIGHASH_ALL, taproot_construct, @@ -107,11 +108,13 @@ class MiniWallet: """Pad a transaction with extra outputs until it reaches a target weight (or higher). returns the tx """ - assert_greater_than_or_equal(target_weight, tx.get_weight()) - while tx.get_weight() < target_weight: - script_pubkey = ( b"6a4d0200" # OP_RETURN OP_PUSH2 512 bytes - + b"01" * 512 ) - tx.vout.append(CTxOut(0, script_pubkey)) + tx.vout.append(CTxOut(nValue=0, scriptPubKey=CScript([OP_RETURN, b'a']))) + dummy_vbytes = (target_weight - tx.get_weight() + 3) // 4 + tx.vout[-1].scriptPubKey = CScript([OP_RETURN, b'a' * dummy_vbytes]) + # Lower bound should always be off by at most 3 + assert_greater_than_or_equal(tx.get_weight(), target_weight) + # Higher bound should always be off by at most 3 + 12 weight (for encoding the length) + assert_greater_than_or_equal(target_weight + 15, tx.get_weight()) def get_balance(self): return sum(u['value'] for u in self._utxos) |