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tests: Add test for mempool-invalid wallet tx

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Uses send rpc to create a tx with oversized OP_RETURN output, verifies
that it doesn't enter the mempool, and that getbalance rpc returns a
nonmempool value.
This commit is contained in:
Anthony Towns
2025-11-19 11:17:27 +10:00
parent 25e063d950
commit 32325d1777
1 changed files with 19 additions and 12 deletions
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31
test/functional/wallet_send.py
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@@ -32,8 +32,8 @@ class WalletSendTest(BitcoinTestFramework):
self.noban_tx_relay = True
self.supports_cli = False
self.extra_args = [
["-walletrbf=1"],
["-walletrbf=1"]
["-walletrbf=1", "-datacarriersize=16"],
["-walletrbf=1", "-datacarriersize=16"]
]
getcontext().prec = 8 # Satoshi precision for Decimal
@@ -45,7 +45,7 @@ class WalletSendTest(BitcoinTestFramework):
conf_target=None, estimate_mode=None, fee_rate=None, add_to_wallet=None, psbt=None,
inputs=None, add_inputs=None, include_unsafe=None, change_address=None, change_position=None, change_type=None,
locktime=None, lock_unspents=None, replaceable=None, subtract_fee_from_outputs=None,
expect_error=None, solving_data=None, minconf=None):
expect_error=None, solving_data=None, minconf=None, nonmempool=False):
assert_not_equal((amount is None), (data is None))
from_balance_before = from_wallet.getbalances()["mine"]["trusted"]
@@ -171,16 +171,20 @@ class WalletSendTest(BitcoinTestFramework):
tx = from_wallet.gettransaction(res["txid"])
assert tx
assert_equal(tx["bip125-replaceable"], "yes" if replaceable else "no")
# Ensure transaction exists in the mempool:
tx = from_wallet.getrawtransaction(res["txid"], True)
assert tx
if amount:
if subtract_fee_from_outputs:
assert_equal(from_balance_before - from_balance, amount)
else:
assert_greater_than(from_balance_before - from_balance, amount)
if nonmempool:
assert_raises_rpc_error(-5, "No such mempool transaction", from_wallet.getrawtransaction, res["txid"])
assert from_wallet.getbalances()["mine"]["nonmempool"] < 0
else:
assert next((out for out in tx["vout"] if out["scriptPubKey"]["asm"] == "OP_RETURN 35"), None)
# Ensure transaction exists in the mempool:
tx = from_wallet.getrawtransaction(res["txid"], True)
assert tx
if amount:
if subtract_fee_from_outputs:
assert_equal(from_balance_before - from_balance, amount)
else:
assert_greater_than(from_balance_before - from_balance, amount)
else:
assert next((out for out in tx["vout"] if out["scriptPubKey"]["asm"] == "OP_RETURN 35"), None)
else:
assert_equal(from_balance_before, from_balance)
@@ -280,6 +284,9 @@ class WalletSendTest(BitcoinTestFramework):
res = w2.walletprocesspsbt(res["psbt"])
assert res["complete"]
self.log.info("Create mempool-invalid tx (due to large OP_RETURN)...")
self.test_send(from_wallet=w0, data=b"The quick brown fox jumps over the lazy dog".hex(), nonmempool=True)
self.log.info("Test setting explicit fee rate")
res1 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_fee_rate="1", add_to_wallet=False)
res2 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, fee_rate="1", add_to_wallet=False)