diff options
Diffstat (limited to 'test/functional/mempool_accept.py')
| -rwxr-xr-x | test/functional/mempool_accept.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/functional/mempool_accept.py b/test/functional/mempool_accept.py index 02ec18140c..7ec3fbe7cf 100755 --- a/test/functional/mempool_accept.py +++ b/test/functional/mempool_accept.py @@ -14,7 +14,9 @@ from test_framework.messages import ( MAX_BIP125_RBF_SEQUENCE, COIN, COutPoint, + CTransaction, CTxIn, + CTxInWitness, CTxOut, MAX_BLOCK_WEIGHT, MAX_MONEY, @@ -26,13 +28,19 @@ from test_framework.script import ( OP_0, OP_HASH160, OP_RETURN, + OP_TRUE, ) from test_framework.script_util import ( + DUMMY_MIN_OP_RETURN_SCRIPT, keys_to_multisig_script, + MIN_PADDING, + MIN_STANDARD_TX_NONWITNESS_SIZE, script_to_p2sh_script, + script_to_p2wsh_script, ) from test_framework.util import ( assert_equal, + assert_greater_than, assert_raises_rpc_error, ) from test_framework.wallet import MiniWallet @@ -333,6 +341,35 @@ class MempoolAcceptanceTest(BitcoinTestFramework): maxfeerate=0, ) + # Prep for tiny-tx tests with wsh(OP_TRUE) output + seed_tx = self.wallet.send_to(from_node=node, scriptPubKey=script_to_p2wsh_script(CScript([OP_TRUE])), amount=COIN) + self.generate(node, 1) + + self.log.info('A tiny transaction(in non-witness bytes) that is disallowed') + tx = CTransaction() + tx.vin.append(CTxIn(COutPoint(int(seed_tx[0], 16), seed_tx[1]), b"", SEQUENCE_FINAL)) + tx.wit.vtxinwit = [CTxInWitness()] + tx.wit.vtxinwit[0].scriptWitness.stack = [CScript([OP_TRUE])] + tx.vout.append(CTxOut(0, CScript([OP_RETURN] + ([OP_0] * (MIN_PADDING - 2))))) + # Note it's only non-witness size that matters! + assert_equal(len(tx.serialize_without_witness()), 64) + assert_equal(MIN_STANDARD_TX_NONWITNESS_SIZE - 1, 64) + assert_greater_than(len(tx.serialize()), 64) + + self.check_mempool_result( + result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': 'tx-size-small'}], + rawtxs=[tx.serialize().hex()], + maxfeerate=0, + ) + + self.log.info('Minimally-small transaction(in non-witness bytes) that is allowed') + tx.vout[0] = CTxOut(COIN - 1000, DUMMY_MIN_OP_RETURN_SCRIPT) + assert_equal(len(tx.serialize_without_witness()), MIN_STANDARD_TX_NONWITNESS_SIZE) + self.check_mempool_result( + result_expected=[{'txid': tx.rehash(), 'allowed': True, 'vsize': tx.get_vsize(), 'fees': { 'base': Decimal('0.00001000')}}], + rawtxs=[tx.serialize().hex()], + maxfeerate=0, + ) if __name__ == '__main__': MempoolAcceptanceTest().main() |