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test: Target exact weight in MiniWallet _bulk_tx

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Also, replace broad -acceptnonstdtxn=1 with -datacarriersize=100000
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MacroFake 2022-08-03 12:10:52 +02:00
parent 9155f9b7af
commit fa2537cf0a
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2 changed files with 10 additions and 7 deletions
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4
test/functional/mempool_package_limits.py
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@ -35,8 +35,8 @@ class MempoolPackageLimitsTest(BitcoinTestFramework):
self.test_anc_count_limits_2()
self.test_anc_count_limits_bushy()
# The node will accept our (nonstandard) extra large OP_RETURN outputs
self.restart_node(0, extra_args=["-acceptnonstdtxn=1"])
# The node will accept (nonstandard) extra large OP_RETURN outputs
self.restart_node(0, extra_args=["-datacarriersize=100000"])
self.test_anc_size_limits()
self.test_desc_size_limits()

13
test/functional/test_framework/wallet.py
View File

@ -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)