diff options
| -rwxr-xr-x | test/functional/mempool_package_limits.py | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/test/functional/mempool_package_limits.py b/test/functional/mempool_package_limits.py index 749ec6aa77..be17139e17 100755 --- a/test/functional/mempool_package_limits.py +++ b/test/functional/mempool_package_limits.py @@ -26,6 +26,7 @@ from test_framework.wallet import ( bulk_transaction, create_child_with_parents, make_chain, + DEFAULT_FEE, ) class MempoolPackageLimitsTest(BitcoinTestFramework): @@ -50,6 +51,7 @@ class MempoolPackageLimitsTest(BitcoinTestFramework): self.test_chain_limits() self.test_desc_count_limits() + self.test_desc_count_limits_2() self.test_anc_count_limits() self.test_anc_count_limits_2() self.test_anc_count_limits_bushy() @@ -177,6 +179,74 @@ class MempoolPackageLimitsTest(BitcoinTestFramework): node.generate(1) assert all([res["allowed"] for res in node.testmempoolaccept(rawtxs=package_hex)]) + def test_desc_count_limits_2(self): + """Create a Package with 24 transaction in mempool and 2 transaction in package: + M1 + ^ ^ + M2 ^ + . ^ + . ^ + . ^ + M24 ^ + ^ + P1 + ^ + P2 + P1 has M1 as a mempool ancestor, P2 has no in-mempool ancestors, but when + combined P2 has M1 as an ancestor and M1 exceeds descendant_limits(23 in-mempool + descendants + 2 in-package descendants, a total of 26 including itself). + """ + + node = self.nodes[0] + package_hex = [] + # M1 + first_coin_a = self.coins.pop() + parent_value = (first_coin_a["amount"] - DEFAULT_FEE) / 2 # Deduct reasonable fee and make 2 outputs + inputs = [{"txid": first_coin_a["txid"], "vout": 0}] + outputs = [{self.address : parent_value}, {ADDRESS_BCRT1_P2WSH_OP_TRUE : parent_value}] + rawtx = node.createrawtransaction(inputs, outputs) + + parent_signed = node.signrawtransactionwithkey(hexstring=rawtx, privkeys=self.privkeys) + assert parent_signed["complete"] + parent_tx = tx_from_hex(parent_signed["hex"]) + parent_txid = parent_tx.rehash() + node.sendrawtransaction(parent_signed["hex"]) + + # Chain M2...M24 + spk = parent_tx.vout[0].scriptPubKey.hex() + value = parent_value + txid = parent_txid + for i in range(23): # M2...M24 + (tx, txhex, value, spk) = make_chain(node, self.address, self.privkeys, txid, value, 0, spk) + txid = tx.rehash() + node.sendrawtransaction(txhex) + + # P1 + value_p1 = (parent_value - DEFAULT_FEE) + rawtx_p1 = node.createrawtransaction([{"txid": parent_txid, "vout": 1}], [{self.address : value_p1}]) + tx_child_p1 = tx_from_hex(rawtx_p1) + tx_child_p1.wit.vtxinwit = [CTxInWitness()] + tx_child_p1.wit.vtxinwit[0].scriptWitness.stack = [CScript([OP_TRUE])] + tx_child_p1_hex = tx_child_p1.serialize().hex() + txid_child_p1 = tx_child_p1.rehash() + package_hex.append(tx_child_p1_hex) + tx_child_p1_spk = tx_child_p1.vout[0].scriptPubKey.hex() + + # P2 + (_, tx_child_p2_hex, _, _) = make_chain(node, self.address, self.privkeys, txid_child_p1, value_p1, 0, tx_child_p1_spk) + package_hex.append(tx_child_p2_hex) + + assert_equal(24, node.getmempoolinfo()["size"]) + assert_equal(2, len(package_hex)) + testres = node.testmempoolaccept(rawtxs=package_hex) + assert_equal(len(testres), len(package_hex)) + for txres in testres: + assert_equal(txres["package-error"], "package-mempool-limits") + + # Clear mempool and check that the package passes now + node.generate(1) + assert all([res["allowed"] for res in node.testmempoolaccept(rawtxs=package_hex)]) + def test_anc_count_limits(self): """Create a 'V' shaped chain with 24 transactions in the mempool and 3 in the package: M1a M1b |