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test: Run mempool_packages.py with MiniWallet

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pull/26625/head
MarcoFalke 2 years ago
parent fa448c27d2
commit fa6b402114
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2 changed files with 40 additions and 100 deletions
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118
test/functional/mempool_packages.py
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@ -6,7 +6,6 @@
from decimal import Decimal
from test_framework.blocktools import COINBASE_MATURITY
from test_framework.messages import (
COIN,
DEFAULT_ANCESTOR_LIMIT,
@ -17,9 +16,8 @@ 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
# custom limits for node1
CUSTOM_ANCESTOR_LIMIT = 5
@ -45,43 +43,33 @@ class MempoolPackagesTest(BitcoinTestFramework):
],
]
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
# Mine some blocks and have them mature.
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
if self.is_specified_wallet_compiled():
self.nodes[0].createwallet("watch_wallet", disable_private_keys=True)
self.nodes[0].importaddress(self.wallet.get_address())
peer_inv_store = self.nodes[0].add_p2p_connection(P2PTxInvStore()) # keep track of invs
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']
assert 'ancestorcount' not in utxo[0]
assert 'ancestorsize' not in utxo[0]
assert 'ancestorfees' not in utxo[0]
fee = Decimal("0.0001")
# DEFAULT_ANCESTOR_LIMIT transactions off a confirmed tx should be fine
chain = []
witness_chain = []
chain = self.wallet.create_self_transfer_chain(chain_length=DEFAULT_ANCESTOR_LIMIT)
witness_chain = [t["wtxid"] for t in chain]
ancestor_vsize = 0
ancestor_fees = Decimal(0)
for i in range(DEFAULT_ANCESTOR_LIMIT):
(txid, sent_value) = chain_transaction(self.nodes[0], [txid], [0], value, fee, 1)
value = sent_value
chain.append(txid)
# We need the wtxids to check P2P announcements
witnesstx = self.nodes[0].gettransaction(txid=txid, verbose=True)['decoded']
witness_chain.append(witnesstx['hash'])
for i, t in enumerate(chain):
ancestor_vsize += t["tx"].get_vsize()
ancestor_fees += t["fee"]
self.wallet.sendrawtransaction(from_node=self.nodes[0], tx_hex=t["hex"])
# Check that listunspent ancestor{count, size, fees} yield the correct results
wallet_unspent = self.nodes[0].listunspent(minconf=0)
this_unspent = next(utxo_info for utxo_info in wallet_unspent if utxo_info['txid'] == txid)
assert_equal(this_unspent['ancestorcount'], i + 1)
ancestor_vsize += self.nodes[0].getrawtransaction(txid=txid, verbose=True)['vsize']
assert_equal(this_unspent['ancestorsize'], ancestor_vsize)
ancestor_fees -= self.nodes[0].gettransaction(txid=txid)['fee']
assert_equal(this_unspent['ancestorfees'], ancestor_fees * COIN)
if self.is_specified_wallet_compiled():
wallet_unspent = self.nodes[0].listunspent(minconf=0)
this_unspent = next(utxo_info for utxo_info in wallet_unspent if utxo_info["txid"] == t["txid"])
assert_equal(this_unspent['ancestorcount'], i + 1)
assert_equal(this_unspent['ancestorsize'], ancestor_vsize)
assert_equal(this_unspent['ancestorfees'], ancestor_fees * COIN)
# Wait until mempool transactions have passed initial broadcast (sent inv and received getdata)
# Otherwise, getrawmempool may be inconsistent with getmempoolentry if unbroadcast changes in between
@ -99,15 +87,20 @@ class MempoolPackagesTest(BitcoinTestFramework):
ancestor_count = DEFAULT_ANCESTOR_LIMIT
assert_equal(ancestor_fees, sum([mempool[tx]['fees']['base'] for tx in mempool]))
# Adding one more transaction on to the chain should fail.
next_hop = self.wallet.create_self_transfer(utxo_to_spend=chain[-1]["new_utxo"])["hex"]
assert_raises_rpc_error(-26, "too-long-mempool-chain", lambda: self.nodes[0].sendrawtransaction(next_hop))
descendants = []
ancestors = list(chain)
ancestors = [t["txid"] for t in chain]
chain = [t["txid"] for t in chain]
for x in reversed(chain):
# Check that getmempoolentry is consistent with getrawmempool
entry = self.nodes[0].getmempoolentry(x)
assert_equal(entry, mempool[x])
# Check that gettxspendingprevout is consistent with getrawmempool
witnesstx = self.nodes[0].gettransaction(txid=x, verbose=True)['decoded']
witnesstx = self.nodes[0].getrawtransaction(txid=x, verbose=True)
for tx_in in witnesstx["vin"]:
spending_result = self.nodes[0].gettxspendingprevout([ {'txid' : tx_in["txid"], 'vout' : tx_in["vout"]} ])
assert_equal(spending_result, [ {'txid' : tx_in["txid"], 'vout' : tx_in["vout"], 'spendingtxid' : x} ])
@ -193,9 +186,6 @@ class MempoolPackagesTest(BitcoinTestFramework):
descendant_fees += entry['fees']['base']
assert_equal(entry['fees']['descendant'], descendant_fees + Decimal('0.00001'))
# Adding one more transaction on to the chain should fail.
assert_raises_rpc_error(-26, "too-long-mempool-chain", chain_transaction, self.nodes[0], [txid], [vout], value, fee, 1)
# Check that prioritising a tx before it's added to the mempool works
# First clear the mempool by mining a block.
self.generate(self.nodes[0], 1)
@ -232,28 +222,23 @@ class MempoolPackagesTest(BitcoinTestFramework):
# TODO: test ancestor size limits
# Now test descendant chain limits
txid = utxo[1]['txid']
value = utxo[1]['amount']
vout = utxo[1]['vout']
transaction_package = []
tx_children = []
# First create one parent tx with 10 children
(txid, sent_value) = chain_transaction(self.nodes[0], [txid], [vout], value, fee, 10)
parent_transaction = txid
for i in range(10):
transaction_package.append({'txid': txid, 'vout': i, 'amount': sent_value})
tx_with_children = self.wallet.send_self_transfer_multi(from_node=self.nodes[0], num_outputs=10)
parent_transaction = tx_with_children["txid"]
transaction_package = tx_with_children["new_utxos"]
# Sign and send up to MAX_DESCENDANT transactions chained off the parent tx
chain = [] # save sent txs for the purpose of checking node1's mempool later (see below)
for _ in range(DEFAULT_DESCENDANT_LIMIT - 1):
utxo = transaction_package.pop(0)
(txid, sent_value) = chain_transaction(self.nodes[0], [utxo['txid']], [utxo['vout']], utxo['amount'], fee, 10)
new_tx = self.wallet.send_self_transfer_multi(from_node=self.nodes[0], num_outputs=10, utxos_to_spend=[utxo])
txid = new_tx["txid"]
chain.append(txid)
if utxo['txid'] is parent_transaction:
tx_children.append(txid)
for j in range(10):
transaction_package.append({'txid': txid, 'vout': j, 'amount': sent_value})
transaction_package.extend(new_tx["new_utxos"])
mempool = self.nodes[0].getrawmempool(True)
assert_equal(mempool[parent_transaction]['descendantcount'], DEFAULT_DESCENDANT_LIMIT)
@ -263,8 +248,8 @@ class MempoolPackagesTest(BitcoinTestFramework):
assert_equal(mempool[child]['depends'], [parent_transaction])
# Sending one more chained transaction will fail
utxo = transaction_package.pop(0)
assert_raises_rpc_error(-26, "too-long-mempool-chain", chain_transaction, self.nodes[0], [utxo['txid']], [utxo['vout']], utxo['amount'], fee, 10)
next_hop = self.wallet.create_self_transfer(utxo_to_spend=transaction_package.pop(0))["hex"]
assert_raises_rpc_error(-26, "too-long-mempool-chain", lambda: self.nodes[0].sendrawtransaction(next_hop))
# Check that node1's mempool is as expected, containing:
# - txs from previous ancestor test (-> custom ancestor limit)
@ -304,42 +289,19 @@ class MempoolPackagesTest(BitcoinTestFramework):
# last block.
# Create tx0 with 2 outputs
utxo = self.nodes[0].listunspent()
txid = utxo[0]['txid']
value = utxo[0]['amount']
vout = utxo[0]['vout']
send_value = (value - fee) / 2
inputs = [ {'txid' : txid, 'vout' : vout} ]
outputs = {}
for _ in range(2):
outputs[self.nodes[0].getnewaddress()] = send_value
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx)
txid = self.nodes[0].sendrawtransaction(signedtx['hex'])
tx0_id = txid
value = send_value
tx0 = self.wallet.send_self_transfer_multi(from_node=self.nodes[0], num_outputs=2)
# Create tx1
tx1_id, _ = chain_transaction(self.nodes[0], [tx0_id], [0], value, fee, 1)
tx1 = self.wallet.send_self_transfer(from_node=self.nodes[0], utxo_to_spend=tx0["new_utxos"][0])
# Create tx2-7
vout = 1
txid = tx0_id
for _ in range(6):
(txid, sent_value) = chain_transaction(self.nodes[0], [txid], [vout], value, fee, 1)
vout = 0
value = sent_value
tx7 = self.wallet.send_self_transfer_chain(from_node=self.nodes[0], utxo_to_spend=tx0["new_utxos"][1], chain_length=6)[-1]
# Mine these in a block
self.generate(self.nodes[0], 1)
# Now generate tx8, with a big fee
inputs = [ {'txid' : tx1_id, 'vout': 0}, {'txid' : txid, 'vout': 0} ]
outputs = { self.nodes[0].getnewaddress() : send_value + value - 4*fee }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx)
txid = self.nodes[0].sendrawtransaction(signedtx['hex'])
self.wallet.send_self_transfer_multi(from_node=self.nodes[0], utxos_to_spend=[tx1["new_utxo"], tx7["new_utxo"]], fee_per_output=40000)
self.sync_mempools()
# Now try to disconnect the tip on each node...

22
test/functional/test_framework/util.py
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@ -488,28 +488,6 @@ def find_output(node, txid, amount, *, blockhash=None):
raise RuntimeError("find_output txid %s : %s not found" % (txid, str(amount)))
def chain_transaction(node, parent_txids, vouts, value, fee, num_outputs):
"""Build and send a transaction that spends the given inputs (specified
by lists of parent_txid:vout each), with the desired total value and fee,
equally divided up to the desired number of outputs.
Returns a tuple with the txid and the amount sent per output.
"""
send_value = satoshi_round((value - fee)/num_outputs)
inputs = []
for (txid, vout) in zip(parent_txids, vouts):
inputs.append({'txid' : txid, 'vout' : vout})
outputs = {}
for _ in range(num_outputs):
outputs[node.getnewaddress()] = send_value
rawtx = node.createrawtransaction(inputs, outputs, 0, True)
signedtx = node.signrawtransactionwithwallet(rawtx)
txid = node.sendrawtransaction(signedtx['hex'])
fulltx = node.getrawtransaction(txid, 1)
assert len(fulltx['vout']) == num_outputs # make sure we didn't generate a change output
return (txid, send_value)
# Create large OP_RETURN txouts that can be appended to a transaction
# to make it large (helper for constructing large transactions). The
# total serialized size of the txouts is about 66k vbytes.

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