mirror of
https://github.com/dashpay/dash.git
synced 2024-12-26 04:22:55 +01:00
195 lines
9.0 KiB
Python
Executable File
195 lines
9.0 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# Copyright (c) 2014-2020 The Bitcoin Core developers
|
|
# Distributed under the MIT software license, see the accompanying
|
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
"""Test mempool persistence.
|
|
|
|
By default, dashd will dump mempool on shutdown and
|
|
then reload it on startup. This can be overridden with
|
|
the -persistmempool=0 command line option.
|
|
|
|
Test is as follows:
|
|
|
|
- start node0, node1 and node2. node1 has -persistmempool=0
|
|
- create 5 transactions on node2 to its own address. Note that these
|
|
are not sent to node0 or node1 addresses because we don't want
|
|
them to be saved in the wallet.
|
|
- check that node0 and node1 have 5 transactions in their mempools
|
|
- shutdown all nodes.
|
|
- startup node0. Verify that it still has 5 transactions
|
|
in its mempool. Shutdown node0. This tests that by default the
|
|
mempool is persistent.
|
|
- startup node1. Verify that its mempool is empty. Shutdown node1.
|
|
This tests that with -persistmempool=0, the mempool is not
|
|
dumped to disk when the node is shut down.
|
|
- Restart node0 with -persistmempool=0. Verify that its mempool is
|
|
empty. Shutdown node0. This tests that with -persistmempool=0,
|
|
the mempool is not loaded from disk on start up.
|
|
- Restart node0 with -persistmempool. Verify that it has 5
|
|
transactions in its mempool. This tests that -persistmempool=0
|
|
does not overwrite a previously valid mempool stored on disk.
|
|
- Remove node0 mempool.dat and verify savemempool RPC recreates it
|
|
and verify that node1 can load it and has 5 transactions in its
|
|
mempool.
|
|
- Verify that savemempool throws when the RPC is called if
|
|
node1 can't write to disk.
|
|
|
|
"""
|
|
from decimal import Decimal
|
|
import os
|
|
|
|
# from test_framework.p2p import P2PTxInvStore
|
|
from test_framework.test_framework import BitcoinTestFramework
|
|
from test_framework.util import (
|
|
assert_equal,
|
|
assert_greater_than_or_equal, assert_raises_rpc_error,
|
|
)
|
|
from test_framework.wallet import MiniWallet
|
|
|
|
|
|
class MempoolPersistTest(BitcoinTestFramework):
|
|
def set_test_params(self):
|
|
self.num_nodes = 3
|
|
self.extra_args = [[], ["-persistmempool=0"], []]
|
|
|
|
def run_test(self):
|
|
self.mini_wallet = MiniWallet(self.nodes[2])
|
|
self.mini_wallet.rescan_utxos()
|
|
if self.is_sqlite_compiled():
|
|
self.nodes[2].createwallet(
|
|
wallet_name="watch",
|
|
descriptors=True,
|
|
disable_private_keys=True,
|
|
load_on_startup=False,
|
|
)
|
|
wallet_watch = self.nodes[2].get_wallet_rpc("watch")
|
|
assert_equal([{'success': True}], wallet_watch.importdescriptors([{'desc': self.mini_wallet.get_descriptor(), 'timestamp': 0}]))
|
|
|
|
self.log.debug("Send 5 transactions from node2 (to its own address)")
|
|
tx_creation_time_lower = self.mocktime
|
|
for _ in range(5):
|
|
last_txid = self.mini_wallet.send_self_transfer(from_node=self.nodes[2])["txid"]
|
|
if self.is_sqlite_compiled():
|
|
self.nodes[2].syncwithvalidationinterfacequeue() # Flush mempool to wallet
|
|
node2_balance = wallet_watch.getbalance()
|
|
self.sync_all()
|
|
tx_creation_time_higher = self.mocktime
|
|
|
|
self.log.debug("Verify that node0 and node1 have 5 transactions in their mempools")
|
|
assert_equal(len(self.nodes[0].getrawmempool()), 5)
|
|
assert_equal(len(self.nodes[1].getrawmempool()), 5)
|
|
|
|
total_fee_old = self.nodes[0].getmempoolinfo()['total_fee']
|
|
|
|
self.log.debug("Prioritize a transaction on node0")
|
|
fees = self.nodes[0].getmempoolentry(txid=last_txid)['fees']
|
|
assert_equal(fees['base'], fees['modified'])
|
|
self.nodes[0].prioritisetransaction(txid=last_txid, fee_delta=1000)
|
|
fees = self.nodes[0].getmempoolentry(txid=last_txid)['fees']
|
|
assert_equal(fees['base'] + Decimal('0.00001000'), fees['modified'])
|
|
|
|
self.log.info('Check the total base fee is unchanged after prioritisetransaction')
|
|
assert_equal(total_fee_old, self.nodes[0].getmempoolinfo()['total_fee'])
|
|
assert_equal(total_fee_old, sum(v['fees']['base'] for k, v in self.nodes[0].getrawmempool(verbose=True).items()))
|
|
|
|
last_entry = self.nodes[0].getmempoolentry(txid=last_txid)
|
|
tx_creation_time = last_entry['time']
|
|
assert_greater_than_or_equal(tx_creation_time, tx_creation_time_lower)
|
|
assert_greater_than_or_equal(tx_creation_time_higher, tx_creation_time)
|
|
|
|
# disconnect nodes & make a txn that remains in the unbroadcast set.
|
|
self.disconnect_nodes(0, 1)
|
|
assert_equal(len(self.nodes[0].getpeerinfo()), 0)
|
|
assert_equal(len(self.nodes[0].p2ps), 0)
|
|
self.mini_wallet.send_self_transfer(from_node=self.nodes[0])
|
|
|
|
self.log.debug("Stop-start the nodes. Verify that node0 has the transactions in its mempool and node1 does not. Verify that node2 calculates its balance correctly after loading wallet transactions.")
|
|
self.stop_nodes()
|
|
# Give this node a head-start, so we can be "extra-sure" that it didn't load anything later
|
|
# Also don't store the mempool, to keep the datadir clean
|
|
self.start_node(1, extra_args=["-persistmempool=0"])
|
|
self.start_node(0)
|
|
self.start_node(2)
|
|
assert self.nodes[0].getmempoolinfo()["loaded"] # start_node is blocking on the mempool being loaded
|
|
assert self.nodes[2].getmempoolinfo()["loaded"]
|
|
assert_equal(len(self.nodes[0].getrawmempool()), 6)
|
|
assert_equal(len(self.nodes[2].getrawmempool()), 5)
|
|
# The others have loaded their mempool. If node_1 loaded anything, we'd probably notice by now:
|
|
assert_equal(len(self.nodes[1].getrawmempool()), 0)
|
|
|
|
self.log.debug('Verify prioritization is loaded correctly')
|
|
fees = self.nodes[0].getmempoolentry(txid=last_txid)['fees']
|
|
assert_equal(fees['base'] + Decimal('0.00001000'), fees['modified'])
|
|
|
|
self.log.debug('Verify all fields are loaded correctly')
|
|
assert_equal(last_entry, self.nodes[0].getmempoolentry(txid=last_txid))
|
|
|
|
# Verify accounting of mempool transactions after restart is correct
|
|
if self.is_sqlite_compiled():
|
|
self.nodes[2].loadwallet("watch")
|
|
wallet_watch = self.nodes[2].get_wallet_rpc("watch")
|
|
self.nodes[2].syncwithvalidationinterfacequeue() # Flush mempool to wallet
|
|
assert_equal(node2_balance, wallet_watch.getbalance())
|
|
|
|
self.log.debug("Stop-start node0 with -persistmempool=0. Verify that it doesn't load its mempool.dat file.")
|
|
self.stop_nodes()
|
|
self.start_node(0, extra_args=["-persistmempool=0"])
|
|
assert self.nodes[0].getmempoolinfo()["loaded"]
|
|
assert_equal(len(self.nodes[0].getrawmempool()), 0)
|
|
|
|
self.log.debug("Stop-start node0. Verify that it has the transactions in its mempool.")
|
|
self.stop_nodes()
|
|
self.start_node(0)
|
|
assert self.nodes[0].getmempoolinfo()["loaded"]
|
|
assert_equal(len(self.nodes[0].getrawmempool()), 6)
|
|
|
|
mempooldat0 = os.path.join(self.nodes[0].datadir, self.chain, 'mempool.dat')
|
|
mempooldat1 = os.path.join(self.nodes[1].datadir, self.chain, 'mempool.dat')
|
|
self.log.debug("Remove the mempool.dat file. Verify that savemempool to disk via RPC re-creates it")
|
|
os.remove(mempooldat0)
|
|
result0 = self.nodes[0].savemempool()
|
|
assert os.path.isfile(mempooldat0)
|
|
assert_equal(result0['filename'], mempooldat0)
|
|
|
|
self.log.debug("Stop nodes, make node1 use mempool.dat from node0. Verify it has 6 transactions")
|
|
os.rename(mempooldat0, mempooldat1)
|
|
self.stop_nodes()
|
|
self.start_node(1, extra_args=[])
|
|
assert self.nodes[1].getmempoolinfo()["loaded"]
|
|
assert_equal(len(self.nodes[1].getrawmempool()), 6)
|
|
|
|
self.log.debug("Prevent dashd from writing mempool.dat to disk. Verify that `savemempool` fails")
|
|
# to test the exception we are creating a tmp folder called mempool.dat.new
|
|
# which is an implementation detail that could change and break this test
|
|
mempooldotnew1 = mempooldat1 + '.new'
|
|
os.mkdir(mempooldotnew1)
|
|
assert_raises_rpc_error(-1, "Unable to dump mempool to disk", self.nodes[1].savemempool)
|
|
os.rmdir(mempooldotnew1)
|
|
|
|
self.test_persist_unbroadcast()
|
|
|
|
def test_persist_unbroadcast(self):
|
|
node0 = self.nodes[0]
|
|
self.start_node(0)
|
|
|
|
# clear out mempool
|
|
node0.generate(1)
|
|
|
|
# ensure node0 doesn't have any connections
|
|
# make a transaction that will remain in the unbroadcast set
|
|
assert_equal(len(node0.getpeerinfo()), 0)
|
|
assert_equal(len(node0.p2ps), 0)
|
|
self.mini_wallet.send_self_transfer(from_node=node0)
|
|
|
|
# shutdown, then startup with wallet disabled
|
|
self.restart_node(0, extra_args=["-disablewallet"])
|
|
|
|
# check that txn gets broadcast due to unbroadcast logic
|
|
# conn = node0.add_p2p_connection(P2PTxInvStore())
|
|
# node0.mockscheduler(16 * 60) # 15 min + 1 for buffer
|
|
# self.wait_until(lambda: len(conn.get_invs()) == 1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
MempoolPersistTest().main()
|