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test: use MiniWallet for mempool_package_onemore.py

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This test can now be run even with the Bitcoin Core wallet disabled.
This commit is contained in:
Sebastian Falbesoner 2022-03-22 00:40:53 +01:00
parent eb3c5c4ef2
commit 2b6dd4e75b
1 changed files with 26 additions and 32 deletions
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58
test/functional/mempool_package_onemore.py
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@ -7,74 +7,68 @@
size.
"""
from decimal import Decimal
from test_framework.blocktools import COINBASE_MATURITY
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
chain_transaction,
)
from test_framework.wallet import MiniWallet
MAX_ANCESTORS = 25
MAX_DESCENDANTS = 25
class MempoolPackagesTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
self.extra_args = [["-maxorphantx=1000"]]
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def chain_tx(self, utxos_to_spend, *, num_outputs=1):
return self.wallet.send_self_transfer_multi(
from_node=self.nodes[0],
utxos_to_spend=utxos_to_spend,
num_outputs=num_outputs)['new_utxos']
def run_test(self):
# Mine some blocks and have them mature.
self.generate(self.nodes[0], COINBASE_MATURITY + 1)
utxo = self.nodes[0].listunspent(10)
txid = utxo[0]['txid']
vout = utxo[0]['vout']
value = utxo[0]['amount']
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
fee = Decimal("0.0002")
# MAX_ANCESTORS transactions off a confirmed tx should be fine
chain = []
utxo = self.wallet.get_utxo()
for _ in range(4):
(txid, sent_value) = chain_transaction(self.nodes[0], [txid], [vout], value, fee, 2)
vout = 0
value = sent_value
chain.append([txid, value])
utxo, utxo2 = self.chain_tx([utxo], num_outputs=2)
chain.append(utxo2)
for _ in range(MAX_ANCESTORS - 4):
(txid, sent_value) = chain_transaction(self.nodes[0], [txid], [0], value, fee, 1)
value = sent_value
chain.append([txid, value])
(second_chain, second_chain_value) = chain_transaction(self.nodes[0], [utxo[1]['txid']], [utxo[1]['vout']], utxo[1]['amount'], fee, 1)
utxo, = self.chain_tx([utxo])
chain.append(utxo)
second_chain, = self.chain_tx([self.wallet.get_utxo()])
# Check mempool has MAX_ANCESTORS + 1 transactions in it
assert_equal(len(self.nodes[0].getrawmempool()), MAX_ANCESTORS + 1)
# Adding one more transaction on to the chain should fail.
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many unconfirmed ancestors [limit: 25]", chain_transaction, self.nodes[0], [txid], [0], value, fee, 1)
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many unconfirmed ancestors [limit: 25]", self.chain_tx, [utxo])
# ...even if it chains on from some point in the middle of the chain.
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[2][0]], [1], chain[2][1], fee, 1)
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[1][0]], [1], chain[1][1], fee, 1)
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_tx, [chain[2]])
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_tx, [chain[1]])
# ...even if it chains on to two parent transactions with one in the chain.
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[0][0], second_chain], [1, 0], chain[0][1] + second_chain_value, fee, 1)
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_tx, [chain[0], second_chain])
# ...especially if its > 40k weight
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 350)
assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_tx, [chain[0]], num_outputs=350)
# But not if it chains directly off the first transaction
(replacable_txid, replacable_orig_value) = chain_transaction(self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 1)
replacable_tx = self.wallet.send_self_transfer_multi(from_node=self.nodes[0], utxos_to_spend=[chain[0]])['tx']
# and the second chain should work just fine
chain_transaction(self.nodes[0], [second_chain], [0], second_chain_value, fee, 1)
self.chain_tx([second_chain])
# Make sure we can RBF the chain which used our carve-out rule
second_tx_outputs = {self.nodes[0].getrawtransaction(replacable_txid, True)["vout"][0]['scriptPubKey']['address']: replacable_orig_value - (Decimal(1) / Decimal(100))}
second_tx = self.nodes[0].createrawtransaction([{'txid': chain[0][0], 'vout': 1}], second_tx_outputs)
signed_second_tx = self.nodes[0].signrawtransactionwithwallet(second_tx)
self.nodes[0].sendrawtransaction(signed_second_tx['hex'])
replacable_tx.vout[0].nValue -= 1000000
self.nodes[0].sendrawtransaction(replacable_tx.serialize().hex())
# Finally, check that we added two transactions
assert_equal(len(self.nodes[0].getrawmempool()), MAX_ANCESTORS + 3)
if __name__ == '__main__':
MempoolPackagesTest().main()