mirror of https://github.com/bitcoin/bitcoin
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
493 lines
26 KiB
493 lines
26 KiB
#!/usr/bin/env python3
|
|
# Copyright (c) 2021-2022 The Bitcoin Core developers
|
|
# Distributed under the MIT software license, see the accompanying
|
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
"""RPCs that handle raw transaction packages."""
|
|
|
|
from decimal import Decimal
|
|
import random
|
|
|
|
from test_framework.blocktools import COINBASE_MATURITY
|
|
from test_framework.mempool_util import (
|
|
fill_mempool,
|
|
)
|
|
from test_framework.messages import (
|
|
MAX_BIP125_RBF_SEQUENCE,
|
|
tx_from_hex,
|
|
)
|
|
from test_framework.p2p import P2PTxInvStore
|
|
from test_framework.test_framework import BitcoinTestFramework
|
|
from test_framework.util import (
|
|
assert_equal,
|
|
assert_fee_amount,
|
|
assert_raises_rpc_error,
|
|
)
|
|
from test_framework.wallet import (
|
|
COIN,
|
|
DEFAULT_FEE,
|
|
MiniWallet,
|
|
)
|
|
|
|
|
|
MAX_PACKAGE_COUNT = 25
|
|
|
|
|
|
class RPCPackagesTest(BitcoinTestFramework):
|
|
def set_test_params(self):
|
|
self.num_nodes = 1
|
|
self.setup_clean_chain = True
|
|
# whitelist peers to speed up tx relay / mempool sync
|
|
self.noban_tx_relay = True
|
|
|
|
def assert_testres_equal(self, package_hex, testres_expected):
|
|
"""Shuffle package_hex and assert that the testmempoolaccept result matches testres_expected. This should only
|
|
be used to test packages where the order does not matter. The ordering of transactions in package_hex and
|
|
testres_expected must match.
|
|
"""
|
|
shuffled_indeces = list(range(len(package_hex)))
|
|
random.shuffle(shuffled_indeces)
|
|
shuffled_package = [package_hex[i] for i in shuffled_indeces]
|
|
shuffled_testres = [testres_expected[i] for i in shuffled_indeces]
|
|
assert_equal(shuffled_testres, self.nodes[0].testmempoolaccept(shuffled_package))
|
|
|
|
def run_test(self):
|
|
node = self.nodes[0]
|
|
|
|
# get an UTXO that requires signature to be spent
|
|
deterministic_address = node.get_deterministic_priv_key().address
|
|
blockhash = self.generatetoaddress(node, 1, deterministic_address)[0]
|
|
coinbase = node.getblock(blockhash=blockhash, verbosity=2)["tx"][0]
|
|
coin = {
|
|
"txid": coinbase["txid"],
|
|
"amount": coinbase["vout"][0]["value"],
|
|
"scriptPubKey": coinbase["vout"][0]["scriptPubKey"],
|
|
"vout": 0,
|
|
"height": 0
|
|
}
|
|
|
|
self.wallet = MiniWallet(self.nodes[0])
|
|
self.generate(self.wallet, COINBASE_MATURITY + 100) # blocks generated for inputs
|
|
|
|
self.log.info("Create some transactions")
|
|
# Create some transactions that can be reused throughout the test. Never submit these to mempool.
|
|
self.independent_txns_hex = []
|
|
self.independent_txns_testres = []
|
|
for _ in range(3):
|
|
tx_hex = self.wallet.create_self_transfer(fee_rate=Decimal("0.0001"))["hex"]
|
|
testres = self.nodes[0].testmempoolaccept([tx_hex])
|
|
assert testres[0]["allowed"]
|
|
self.independent_txns_hex.append(tx_hex)
|
|
# testmempoolaccept returns a list of length one, avoid creating a 2D list
|
|
self.independent_txns_testres.append(testres[0])
|
|
self.independent_txns_testres_blank = [{
|
|
"txid": res["txid"], "wtxid": res["wtxid"]} for res in self.independent_txns_testres]
|
|
|
|
self.test_independent(coin)
|
|
self.test_chain()
|
|
self.test_multiple_children()
|
|
self.test_multiple_parents()
|
|
self.test_conflicting()
|
|
self.test_rbf()
|
|
self.test_submitpackage()
|
|
self.test_maxfeerate_submitpackage()
|
|
self.test_maxburn_submitpackage()
|
|
|
|
def test_independent(self, coin):
|
|
self.log.info("Test multiple independent transactions in a package")
|
|
node = self.nodes[0]
|
|
# For independent transactions, order doesn't matter.
|
|
self.assert_testres_equal(self.independent_txns_hex, self.independent_txns_testres)
|
|
|
|
self.log.info("Test an otherwise valid package with an extra garbage tx appended")
|
|
address = node.get_deterministic_priv_key().address
|
|
garbage_tx = node.createrawtransaction([{"txid": "00" * 32, "vout": 5}], {address: 1})
|
|
tx = tx_from_hex(garbage_tx)
|
|
# Only the txid and wtxids are returned because validation is incomplete for the independent txns.
|
|
# Package validation is atomic: if the node cannot find a UTXO for any single tx in the package,
|
|
# it terminates immediately to avoid unnecessary, expensive signature verification.
|
|
package_bad = self.independent_txns_hex + [garbage_tx]
|
|
testres_bad = self.independent_txns_testres_blank + [{"txid": tx.rehash(), "wtxid": tx.getwtxid(), "allowed": False, "reject-reason": "missing-inputs"}]
|
|
self.assert_testres_equal(package_bad, testres_bad)
|
|
|
|
self.log.info("Check testmempoolaccept tells us when some transactions completed validation successfully")
|
|
tx_bad_sig_hex = node.createrawtransaction([{"txid": coin["txid"], "vout": 0}],
|
|
{address : coin["amount"] - Decimal("0.0001")})
|
|
tx_bad_sig = tx_from_hex(tx_bad_sig_hex)
|
|
testres_bad_sig = node.testmempoolaccept(self.independent_txns_hex + [tx_bad_sig_hex])
|
|
# By the time the signature for the last transaction is checked, all the other transactions
|
|
# have been fully validated, which is why the node returns full validation results for all
|
|
# transactions here but empty results in other cases.
|
|
assert_equal(testres_bad_sig, self.independent_txns_testres + [{
|
|
"txid": tx_bad_sig.rehash(),
|
|
"wtxid": tx_bad_sig.getwtxid(), "allowed": False,
|
|
"reject-reason": "mandatory-script-verify-flag-failed (Operation not valid with the current stack size)"
|
|
}])
|
|
|
|
self.log.info("Check testmempoolaccept reports txns in packages that exceed max feerate")
|
|
tx_high_fee = self.wallet.create_self_transfer(fee=Decimal("0.999"))
|
|
testres_high_fee = node.testmempoolaccept([tx_high_fee["hex"]])
|
|
assert_equal(testres_high_fee, [
|
|
{"txid": tx_high_fee["txid"], "wtxid": tx_high_fee["wtxid"], "allowed": False, "reject-reason": "max-fee-exceeded"}
|
|
])
|
|
package_high_fee = [tx_high_fee["hex"]] + self.independent_txns_hex
|
|
testres_package_high_fee = node.testmempoolaccept(package_high_fee)
|
|
assert_equal(testres_package_high_fee, testres_high_fee + self.independent_txns_testres_blank)
|
|
|
|
def test_chain(self):
|
|
node = self.nodes[0]
|
|
|
|
chain = self.wallet.create_self_transfer_chain(chain_length=25)
|
|
chain_hex = [t["hex"] for t in chain]
|
|
chain_txns = [t["tx"] for t in chain]
|
|
|
|
self.log.info("Check that testmempoolaccept requires packages to be sorted by dependency")
|
|
assert_equal(node.testmempoolaccept(rawtxs=chain_hex[::-1]),
|
|
[{"txid": tx.rehash(), "wtxid": tx.getwtxid(), "package-error": "package-not-sorted"} for tx in chain_txns[::-1]])
|
|
|
|
self.log.info("Testmempoolaccept a chain of 25 transactions")
|
|
testres_multiple = node.testmempoolaccept(rawtxs=chain_hex)
|
|
|
|
testres_single = []
|
|
# Test accept and then submit each one individually, which should be identical to package test accept
|
|
for rawtx in chain_hex:
|
|
testres = node.testmempoolaccept([rawtx])
|
|
testres_single.append(testres[0])
|
|
# Submit the transaction now so its child should have no problem validating
|
|
node.sendrawtransaction(rawtx)
|
|
assert_equal(testres_single, testres_multiple)
|
|
|
|
# Clean up by clearing the mempool
|
|
self.generate(node, 1)
|
|
|
|
def test_multiple_children(self):
|
|
node = self.nodes[0]
|
|
self.log.info("Testmempoolaccept a package in which a transaction has two children within the package")
|
|
|
|
parent_tx = self.wallet.create_self_transfer_multi(num_outputs=2)
|
|
assert node.testmempoolaccept([parent_tx["hex"]])[0]["allowed"]
|
|
|
|
# Child A
|
|
child_a_tx = self.wallet.create_self_transfer(utxo_to_spend=parent_tx["new_utxos"][0])
|
|
assert not node.testmempoolaccept([child_a_tx["hex"]])[0]["allowed"]
|
|
|
|
# Child B
|
|
child_b_tx = self.wallet.create_self_transfer(utxo_to_spend=parent_tx["new_utxos"][1])
|
|
assert not node.testmempoolaccept([child_b_tx["hex"]])[0]["allowed"]
|
|
|
|
self.log.info("Testmempoolaccept with entire package, should work with children in either order")
|
|
testres_multiple_ab = node.testmempoolaccept(rawtxs=[parent_tx["hex"], child_a_tx["hex"], child_b_tx["hex"]])
|
|
testres_multiple_ba = node.testmempoolaccept(rawtxs=[parent_tx["hex"], child_b_tx["hex"], child_a_tx["hex"]])
|
|
assert all([testres["allowed"] for testres in testres_multiple_ab + testres_multiple_ba])
|
|
|
|
testres_single = []
|
|
# Test accept and then submit each one individually, which should be identical to package testaccept
|
|
for rawtx in [parent_tx["hex"], child_a_tx["hex"], child_b_tx["hex"]]:
|
|
testres = node.testmempoolaccept([rawtx])
|
|
testres_single.append(testres[0])
|
|
# Submit the transaction now so its child should have no problem validating
|
|
node.sendrawtransaction(rawtx)
|
|
assert_equal(testres_single, testres_multiple_ab)
|
|
|
|
def test_multiple_parents(self):
|
|
node = self.nodes[0]
|
|
self.log.info("Testmempoolaccept a package in which a transaction has multiple parents within the package")
|
|
|
|
for num_parents in [2, 10, 24]:
|
|
# Test a package with num_parents parents and 1 child transaction.
|
|
parent_coins = []
|
|
package_hex = []
|
|
|
|
for _ in range(num_parents):
|
|
# Package accept should work with the parents in any order (as long as parents come before child)
|
|
parent_tx = self.wallet.create_self_transfer()
|
|
parent_coins.append(parent_tx["new_utxo"])
|
|
package_hex.append(parent_tx["hex"])
|
|
|
|
child_tx = self.wallet.create_self_transfer_multi(utxos_to_spend=parent_coins, fee_per_output=2000)
|
|
for _ in range(10):
|
|
random.shuffle(package_hex)
|
|
testres_multiple = node.testmempoolaccept(rawtxs=package_hex + [child_tx['hex']])
|
|
assert all([testres["allowed"] for testres in testres_multiple])
|
|
|
|
testres_single = []
|
|
# Test accept and then submit each one individually, which should be identical to package testaccept
|
|
for rawtx in package_hex + [child_tx["hex"]]:
|
|
testres_single.append(node.testmempoolaccept([rawtx])[0])
|
|
# Submit the transaction now so its child should have no problem validating
|
|
node.sendrawtransaction(rawtx)
|
|
assert_equal(testres_single, testres_multiple)
|
|
|
|
def test_conflicting(self):
|
|
node = self.nodes[0]
|
|
coin = self.wallet.get_utxo()
|
|
|
|
# tx1 and tx2 share the same inputs
|
|
tx1 = self.wallet.create_self_transfer(utxo_to_spend=coin, fee_rate=DEFAULT_FEE)
|
|
tx2 = self.wallet.create_self_transfer(utxo_to_spend=coin, fee_rate=2*DEFAULT_FEE)
|
|
|
|
# Ensure tx1 and tx2 are valid by themselves
|
|
assert node.testmempoolaccept([tx1["hex"]])[0]["allowed"]
|
|
assert node.testmempoolaccept([tx2["hex"]])[0]["allowed"]
|
|
|
|
self.log.info("Test duplicate transactions in the same package")
|
|
testres = node.testmempoolaccept([tx1["hex"], tx1["hex"]])
|
|
assert_equal(testres, [
|
|
{"txid": tx1["txid"], "wtxid": tx1["wtxid"], "package-error": "package-contains-duplicates"},
|
|
{"txid": tx1["txid"], "wtxid": tx1["wtxid"], "package-error": "package-contains-duplicates"}
|
|
])
|
|
|
|
self.log.info("Test conflicting transactions in the same package")
|
|
testres = node.testmempoolaccept([tx1["hex"], tx2["hex"]])
|
|
assert_equal(testres, [
|
|
{"txid": tx1["txid"], "wtxid": tx1["wtxid"], "package-error": "conflict-in-package"},
|
|
{"txid": tx2["txid"], "wtxid": tx2["wtxid"], "package-error": "conflict-in-package"}
|
|
])
|
|
|
|
# Add a child that spends both at high feerate to submit via submitpackage
|
|
tx_child = self.wallet.create_self_transfer_multi(
|
|
fee_per_output=int(DEFAULT_FEE * 5 * COIN),
|
|
utxos_to_spend=[tx1["new_utxo"], tx2["new_utxo"]],
|
|
)
|
|
|
|
testres = node.testmempoolaccept([tx1["hex"], tx2["hex"], tx_child["hex"]])
|
|
|
|
assert_equal(testres, [
|
|
{"txid": tx1["txid"], "wtxid": tx1["wtxid"], "package-error": "conflict-in-package"},
|
|
{"txid": tx2["txid"], "wtxid": tx2["wtxid"], "package-error": "conflict-in-package"},
|
|
{"txid": tx_child["txid"], "wtxid": tx_child["wtxid"], "package-error": "conflict-in-package"}
|
|
])
|
|
|
|
submitres = node.submitpackage([tx1["hex"], tx2["hex"], tx_child["hex"]])
|
|
assert_equal(submitres, {'package_msg': 'conflict-in-package', 'tx-results': {}, 'replaced-transactions': []})
|
|
|
|
# Submit tx1 to mempool, then try the same package again
|
|
node.sendrawtransaction(tx1["hex"])
|
|
|
|
submitres = node.submitpackage([tx1["hex"], tx2["hex"], tx_child["hex"]])
|
|
assert_equal(submitres, {'package_msg': 'conflict-in-package', 'tx-results': {}, 'replaced-transactions': []})
|
|
assert tx_child["txid"] not in node.getrawmempool()
|
|
|
|
# ... and without the in-mempool ancestor tx1 included in the call
|
|
submitres = node.submitpackage([tx2["hex"], tx_child["hex"]])
|
|
assert_equal(submitres, {'package_msg': 'package-not-child-with-unconfirmed-parents', 'tx-results': {}, 'replaced-transactions': []})
|
|
|
|
# Regardless of error type, the child can never enter the mempool
|
|
assert tx_child["txid"] not in node.getrawmempool()
|
|
|
|
def test_rbf(self):
|
|
node = self.nodes[0]
|
|
|
|
coin = self.wallet.get_utxo()
|
|
fee = Decimal("0.00125000")
|
|
replaceable_tx = self.wallet.create_self_transfer(utxo_to_spend=coin, sequence=MAX_BIP125_RBF_SEQUENCE, fee = fee)
|
|
testres_replaceable = node.testmempoolaccept([replaceable_tx["hex"]])[0]
|
|
assert_equal(testres_replaceable["txid"], replaceable_tx["txid"])
|
|
assert_equal(testres_replaceable["wtxid"], replaceable_tx["wtxid"])
|
|
assert testres_replaceable["allowed"]
|
|
assert_equal(testres_replaceable["vsize"], replaceable_tx["tx"].get_vsize())
|
|
assert_equal(testres_replaceable["fees"]["base"], fee)
|
|
assert_fee_amount(fee, replaceable_tx["tx"].get_vsize(), testres_replaceable["fees"]["effective-feerate"])
|
|
assert_equal(testres_replaceable["fees"]["effective-includes"], [replaceable_tx["wtxid"]])
|
|
|
|
# Replacement transaction is identical except has double the fee
|
|
replacement_tx = self.wallet.create_self_transfer(utxo_to_spend=coin, sequence=MAX_BIP125_RBF_SEQUENCE, fee = 2 * fee)
|
|
testres_rbf_conflicting = node.testmempoolaccept([replaceable_tx["hex"], replacement_tx["hex"]])
|
|
assert_equal(testres_rbf_conflicting, [
|
|
{"txid": replaceable_tx["txid"], "wtxid": replaceable_tx["wtxid"], "package-error": "conflict-in-package"},
|
|
{"txid": replacement_tx["txid"], "wtxid": replacement_tx["wtxid"], "package-error": "conflict-in-package"}
|
|
])
|
|
|
|
self.log.info("Test that packages cannot conflict with mempool transactions, even if a valid BIP125 RBF")
|
|
# This transaction is a valid BIP125 replace-by-fee
|
|
self.wallet.sendrawtransaction(from_node=node, tx_hex=replaceable_tx["hex"])
|
|
testres_rbf_single = node.testmempoolaccept([replacement_tx["hex"]])
|
|
assert testres_rbf_single[0]["allowed"]
|
|
testres_rbf_package = self.independent_txns_testres_blank + [{
|
|
"txid": replacement_tx["txid"], "wtxid": replacement_tx["wtxid"], "allowed": False,
|
|
"reject-reason": "bip125-replacement-disallowed"
|
|
}]
|
|
self.assert_testres_equal(self.independent_txns_hex + [replacement_tx["hex"]], testres_rbf_package)
|
|
|
|
def assert_equal_package_results(self, node, testmempoolaccept_result, submitpackage_result):
|
|
"""Assert that a successful submitpackage result is consistent with testmempoolaccept
|
|
results and getmempoolentry info. Note that the result structs are different and, due to
|
|
policy differences between testmempoolaccept and submitpackage (i.e. package feerate),
|
|
some information may be different.
|
|
"""
|
|
for testres_tx in testmempoolaccept_result:
|
|
# Grab this result from the submitpackage_result
|
|
submitres_tx = submitpackage_result["tx-results"][testres_tx["wtxid"]]
|
|
assert_equal(submitres_tx["txid"], testres_tx["txid"])
|
|
# No "allowed" if the tx was already in the mempool
|
|
if "allowed" in testres_tx and testres_tx["allowed"]:
|
|
assert_equal(submitres_tx["vsize"], testres_tx["vsize"])
|
|
assert_equal(submitres_tx["fees"]["base"], testres_tx["fees"]["base"])
|
|
entry_info = node.getmempoolentry(submitres_tx["txid"])
|
|
assert_equal(submitres_tx["vsize"], entry_info["vsize"])
|
|
assert_equal(submitres_tx["fees"]["base"], entry_info["fees"]["base"])
|
|
|
|
def test_submit_child_with_parents(self, num_parents, partial_submit):
|
|
node = self.nodes[0]
|
|
peer = node.add_p2p_connection(P2PTxInvStore())
|
|
|
|
package_txns = []
|
|
presubmitted_wtxids = set()
|
|
for _ in range(num_parents):
|
|
parent_tx = self.wallet.create_self_transfer(fee=DEFAULT_FEE)
|
|
package_txns.append(parent_tx)
|
|
if partial_submit and random.choice([True, False]):
|
|
node.sendrawtransaction(parent_tx["hex"])
|
|
presubmitted_wtxids.add(parent_tx["wtxid"])
|
|
child_tx = self.wallet.create_self_transfer_multi(utxos_to_spend=[tx["new_utxo"] for tx in package_txns], fee_per_output=10000) #DEFAULT_FEE
|
|
package_txns.append(child_tx)
|
|
|
|
testmempoolaccept_result = node.testmempoolaccept(rawtxs=[tx["hex"] for tx in package_txns])
|
|
submitpackage_result = node.submitpackage(package=[tx["hex"] for tx in package_txns])
|
|
|
|
# Check that each result is present, with the correct size and fees
|
|
assert_equal(submitpackage_result["package_msg"], "success")
|
|
for package_txn in package_txns:
|
|
tx = package_txn["tx"]
|
|
assert tx.getwtxid() in submitpackage_result["tx-results"]
|
|
wtxid = tx.getwtxid()
|
|
assert wtxid in submitpackage_result["tx-results"]
|
|
tx_result = submitpackage_result["tx-results"][wtxid]
|
|
assert_equal(tx_result["txid"], tx.rehash())
|
|
assert_equal(tx_result["vsize"], tx.get_vsize())
|
|
assert_equal(tx_result["fees"]["base"], DEFAULT_FEE)
|
|
if wtxid not in presubmitted_wtxids:
|
|
assert_fee_amount(DEFAULT_FEE, tx.get_vsize(), tx_result["fees"]["effective-feerate"])
|
|
assert_equal(tx_result["fees"]["effective-includes"], [wtxid])
|
|
|
|
# submitpackage result should be consistent with testmempoolaccept and getmempoolentry
|
|
self.assert_equal_package_results(node, testmempoolaccept_result, submitpackage_result)
|
|
|
|
# The node should announce each transaction. No guarantees for propagation.
|
|
peer.wait_for_broadcast([tx["tx"].getwtxid() for tx in package_txns])
|
|
self.generate(node, 1)
|
|
|
|
def test_submitpackage(self):
|
|
node = self.nodes[0]
|
|
|
|
self.log.info("Submitpackage valid packages with 1 child and some number of parents")
|
|
for num_parents in [1, 2, 24]:
|
|
self.test_submit_child_with_parents(num_parents, False)
|
|
self.test_submit_child_with_parents(num_parents, True)
|
|
|
|
self.log.info("Submitpackage only allows packages of 1 child with its parents")
|
|
# Chain of 3 transactions has too many generations
|
|
legacy_pool = node.getrawmempool()
|
|
chain_hex = [t["hex"] for t in self.wallet.create_self_transfer_chain(chain_length=3)]
|
|
assert_raises_rpc_error(-25, "package topology disallowed", node.submitpackage, chain_hex)
|
|
assert_equal(legacy_pool, node.getrawmempool())
|
|
|
|
assert_raises_rpc_error(-8, f"Array must contain between 2 and {MAX_PACKAGE_COUNT} transactions.", node.submitpackage, [])
|
|
assert_raises_rpc_error(-8, f"Array must contain between 2 and {MAX_PACKAGE_COUNT} transactions.", node.submitpackage, [chain_hex[0]] * 1)
|
|
assert_raises_rpc_error(
|
|
-8, f"Array must contain between 2 and {MAX_PACKAGE_COUNT} transactions.",
|
|
node.submitpackage, [chain_hex[0]] * (MAX_PACKAGE_COUNT + 1)
|
|
)
|
|
|
|
# Create a transaction chain such as only the parent gets accepted (by making the child's
|
|
# version non-standard). Make sure the parent does get broadcast.
|
|
self.log.info("If a package is partially submitted, transactions included in mempool get broadcast")
|
|
peer = node.add_p2p_connection(P2PTxInvStore())
|
|
txs = self.wallet.create_self_transfer_chain(chain_length=2)
|
|
bad_child = tx_from_hex(txs[1]["hex"])
|
|
bad_child.version = 0xffffffff
|
|
hex_partial_acceptance = [txs[0]["hex"], bad_child.serialize().hex()]
|
|
res = node.submitpackage(hex_partial_acceptance)
|
|
assert_equal(res["package_msg"], "transaction failed")
|
|
first_wtxid = txs[0]["tx"].getwtxid()
|
|
assert "error" not in res["tx-results"][first_wtxid]
|
|
sec_wtxid = bad_child.getwtxid()
|
|
assert_equal(res["tx-results"][sec_wtxid]["error"], "version")
|
|
peer.wait_for_broadcast([first_wtxid])
|
|
|
|
def test_maxfeerate_submitpackage(self):
|
|
node = self.nodes[0]
|
|
# clear mempool
|
|
deterministic_address = node.get_deterministic_priv_key().address
|
|
self.generatetoaddress(node, 1, deterministic_address)
|
|
|
|
self.log.info("Submitpackage maxfeerate arg testing")
|
|
chained_txns = self.wallet.create_self_transfer_chain(chain_length=2)
|
|
minrate_btc_kvb = min([chained_txn["fee"] / chained_txn["tx"].get_vsize() * 1000 for chained_txn in chained_txns])
|
|
chain_hex = [t["hex"] for t in chained_txns]
|
|
pkg_result = node.submitpackage(chain_hex, maxfeerate=minrate_btc_kvb - Decimal("0.00000001"))
|
|
|
|
# First tx failed in single transaction evaluation, so package message is generic
|
|
assert_equal(pkg_result["package_msg"], "transaction failed")
|
|
assert_equal(pkg_result["tx-results"][chained_txns[0]["wtxid"]]["error"], "max feerate exceeded")
|
|
assert_equal(pkg_result["tx-results"][chained_txns[1]["wtxid"]]["error"], "bad-txns-inputs-missingorspent")
|
|
assert_equal(node.getrawmempool(), [])
|
|
|
|
# Make chain of two transactions where parent doesn't make minfee threshold
|
|
# but child is too high fee
|
|
# Lower mempool limit to make it easier to fill_mempool
|
|
self.restart_node(0, extra_args=[
|
|
"-datacarriersize=100000",
|
|
"-maxmempool=5",
|
|
"-persistmempool=0",
|
|
])
|
|
self.wallet.rescan_utxos()
|
|
|
|
fill_mempool(self, node)
|
|
|
|
minrelay = node.getmempoolinfo()["minrelaytxfee"]
|
|
parent = self.wallet.create_self_transfer(
|
|
fee_rate=minrelay,
|
|
confirmed_only=True,
|
|
)
|
|
|
|
child = self.wallet.create_self_transfer(
|
|
fee_rate=DEFAULT_FEE,
|
|
utxo_to_spend=parent["new_utxo"],
|
|
)
|
|
|
|
pkg_result = node.submitpackage([parent["hex"], child["hex"]], maxfeerate=DEFAULT_FEE - Decimal("0.00000001"))
|
|
|
|
# Child is connected even though parent is invalid and still reports fee exceeded
|
|
# this implies sub-package evaluation of both entries together.
|
|
assert_equal(pkg_result["package_msg"], "transaction failed")
|
|
assert "mempool min fee not met" in pkg_result["tx-results"][parent["wtxid"]]["error"]
|
|
assert_equal(pkg_result["tx-results"][child["wtxid"]]["error"], "max feerate exceeded")
|
|
assert parent["txid"] not in node.getrawmempool()
|
|
assert child["txid"] not in node.getrawmempool()
|
|
|
|
# Reset maxmempool, datacarriersize, reset dynamic mempool minimum feerate, and empty mempool.
|
|
self.restart_node(0)
|
|
self.wallet.rescan_utxos()
|
|
|
|
assert_equal(node.getrawmempool(), [])
|
|
|
|
def test_maxburn_submitpackage(self):
|
|
node = self.nodes[0]
|
|
|
|
assert_equal(node.getrawmempool(), [])
|
|
|
|
self.log.info("Submitpackage maxburnamount arg testing")
|
|
chained_txns_burn = self.wallet.create_self_transfer_chain(
|
|
chain_length=2,
|
|
utxo_to_spend=self.wallet.get_utxo(confirmed_only=True),
|
|
)
|
|
chained_burn_hex = [t["hex"] for t in chained_txns_burn]
|
|
|
|
tx = tx_from_hex(chained_burn_hex[1])
|
|
tx.vout[-1].scriptPubKey = b'a' * 10001 # scriptPubKey bigger than 10k IsUnspendable
|
|
chained_burn_hex = [chained_burn_hex[0], tx.serialize().hex()]
|
|
# burn test is run before any package evaluation; nothing makes it in and we get broader exception
|
|
assert_raises_rpc_error(-25, "Unspendable output exceeds maximum configured by user", node.submitpackage, chained_burn_hex, 0, chained_txns_burn[1]["new_utxo"]["value"] - Decimal("0.00000001"))
|
|
assert_equal(node.getrawmempool(), [])
|
|
|
|
minrate_btc_kvb_burn = min([chained_txn_burn["fee"] / chained_txn_burn["tx"].get_vsize() * 1000 for chained_txn_burn in chained_txns_burn])
|
|
|
|
# Relax the restrictions for both and send it; parent gets through as own subpackage
|
|
pkg_result = node.submitpackage(chained_burn_hex, maxfeerate=minrate_btc_kvb_burn, maxburnamount=chained_txns_burn[1]["new_utxo"]["value"])
|
|
assert "error" not in pkg_result["tx-results"][chained_txns_burn[0]["wtxid"]]
|
|
assert_equal(pkg_result["tx-results"][tx.getwtxid()]["error"], "scriptpubkey")
|
|
assert_equal(node.getrawmempool(), [chained_txns_burn[0]["txid"]])
|
|
|
|
if __name__ == "__main__":
|
|
RPCPackagesTest(__file__).main()
|