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[test] check bypass of minrelay for various minrelaytxfee settings

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glozow
2025-07-31 12:38:36 -04:00
parent e5f896bb1f
commit 85f498893f
1 changed files with 48 additions and 1 deletions
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49
test/functional/mempool_truc.py
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@@ -11,6 +11,7 @@ from test_framework.util import (
assert_greater_than,
assert_greater_than_or_equal,
assert_raises_rpc_error,
get_fee,
)
from test_framework.wallet import (
COIN,
@@ -595,12 +596,57 @@ class MempoolTRUC(BitcoinTestFramework):
)
self.check_mempool([tx_with_multi_children["txid"], tx_with_sibling3_rbf["txid"], tx_with_sibling2["txid"]])
@cleanup(extra_args=None)
def test_minrelay_in_package_combos(self):
node = self.nodes[0]
self.log.info("Test that only TRUC transactions can be under minrelaytxfee for various settings...")
for minrelay_setting in (0, 5, 10, 100, 500, 1000, 5000, 333333, 2500000):
self.log.info(f"-> Test -minrelaytxfee={minrelay_setting}sat/kvB...")
setting_decimal = minrelay_setting / Decimal(COIN)
self.restart_node(0, extra_args=[f"-minrelaytxfee={setting_decimal:.8f}", "-persistmempool=0"])
minrelayfeerate = node.getmempoolinfo()["minrelaytxfee"]
high_feerate = minrelayfeerate * 50
tx_v3_0fee_parent = self.wallet.create_self_transfer(fee=0, fee_rate=0, confirmed_only=True, version=3)
tx_v3_child = self.wallet.create_self_transfer(utxo_to_spend=tx_v3_0fee_parent["new_utxo"], fee_rate=high_feerate, version=3)
total_v3_fee = tx_v3_child["fee"] + tx_v3_0fee_parent["fee"]
total_v3_size = tx_v3_child["tx"].get_vsize() + tx_v3_0fee_parent["tx"].get_vsize()
assert_greater_than_or_equal(total_v3_fee, get_fee(total_v3_size, minrelayfeerate))
if minrelayfeerate > 0:
assert_greater_than(get_fee(tx_v3_0fee_parent["tx"].get_vsize(), minrelayfeerate), 0)
# Always need to pay at least 1 satoshi for entry, even if minimum feerate is very low
assert_greater_than(total_v3_fee, 0)
tx_v2_0fee_parent = self.wallet.create_self_transfer(fee=0, fee_rate=0, confirmed_only=True, version=2)
tx_v2_child = self.wallet.create_self_transfer(utxo_to_spend=tx_v2_0fee_parent["new_utxo"], fee_rate=high_feerate, version=2)
total_v2_fee = tx_v2_child["fee"] + tx_v2_0fee_parent["fee"]
total_v2_size = tx_v2_child["tx"].get_vsize() + tx_v2_0fee_parent["tx"].get_vsize()
assert_greater_than_or_equal(total_v2_fee, get_fee(total_v2_size, minrelayfeerate))
if minrelayfeerate > 0:
assert_greater_than(get_fee(tx_v2_0fee_parent["tx"].get_vsize(), minrelayfeerate), 0)
# Always need to pay at least 1 satoshi for entry, even if minimum feerate is very low
assert_greater_than(total_v2_fee, 0)
result_truc = node.submitpackage([tx_v3_0fee_parent["hex"], tx_v3_child["hex"]], maxfeerate=0)
assert_equal(result_truc["package_msg"], "success")
result_non_truc = node.submitpackage([tx_v2_0fee_parent["hex"], tx_v2_child["hex"]], maxfeerate=0)
if minrelayfeerate > 0:
assert_equal(result_non_truc["package_msg"], "transaction failed")
min_fee_parent = int(get_fee(tx_v2_0fee_parent["tx"].get_vsize(), minrelayfeerate) * COIN)
assert_equal(result_non_truc["tx-results"][tx_v2_0fee_parent["wtxid"]]["error"], f"min relay fee not met, 0 < {min_fee_parent}")
self.check_mempool([tx_v3_0fee_parent["txid"], tx_v3_child["txid"]])
else:
assert_equal(result_non_truc["package_msg"], "success")
self.check_mempool([tx_v2_0fee_parent["txid"], tx_v2_child["txid"], tx_v3_0fee_parent["txid"], tx_v3_child["txid"]])
def run_test(self):
self.log.info("Generate blocks to create UTXOs")
node = self.nodes[0]
self.wallet = MiniWallet(node)
self.generate(self.wallet, 120)
self.generate(self.wallet, 200)
self.test_truc_max_vsize()
self.test_truc_acceptance()
self.test_truc_replacement()
@@ -614,6 +660,7 @@ class MempoolTRUC(BitcoinTestFramework):
self.test_reorg_2child_rbf()
self.test_truc_sibling_eviction()
self.test_reorg_sibling_eviction_1p2c()
self.test_minrelay_in_package_combos()
if __name__ == "__main__":