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.
76 lines
3.2 KiB
76 lines
3.2 KiB
#!/usr/bin/env python3
|
|
# Copyright (c) 2014-2018 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 longpolling with getblocktemplate."""
|
|
|
|
from decimal import Decimal
|
|
|
|
from test_framework.test_framework import BitcoinTestFramework
|
|
from test_framework.util import get_rpc_proxy, random_transaction
|
|
|
|
import threading
|
|
|
|
class LongpollThread(threading.Thread):
|
|
def __init__(self, node):
|
|
threading.Thread.__init__(self)
|
|
# query current longpollid
|
|
template = node.getblocktemplate({'rules': ['segwit']})
|
|
self.longpollid = template['longpollid']
|
|
# create a new connection to the node, we can't use the same
|
|
# connection from two threads
|
|
self.node = get_rpc_proxy(node.url, 1, timeout=600, coveragedir=node.coverage_dir)
|
|
|
|
def run(self):
|
|
self.node.getblocktemplate({'longpollid': self.longpollid, 'rules': ['segwit']})
|
|
|
|
class GetBlockTemplateLPTest(BitcoinTestFramework):
|
|
def set_test_params(self):
|
|
self.num_nodes = 2
|
|
|
|
def skip_test_if_missing_module(self):
|
|
self.skip_if_no_wallet()
|
|
|
|
def run_test(self):
|
|
self.log.info("Warning: this test will take about 70 seconds in the best case. Be patient.")
|
|
self.nodes[0].generate(10)
|
|
template = self.nodes[0].getblocktemplate({'rules': ['segwit']})
|
|
longpollid = template['longpollid']
|
|
# longpollid should not change between successive invocations if nothing else happens
|
|
template2 = self.nodes[0].getblocktemplate({'rules': ['segwit']})
|
|
assert template2['longpollid'] == longpollid
|
|
|
|
# Test 1: test that the longpolling wait if we do nothing
|
|
thr = LongpollThread(self.nodes[0])
|
|
thr.start()
|
|
# check that thread still lives
|
|
thr.join(5) # wait 5 seconds or until thread exits
|
|
assert thr.is_alive()
|
|
|
|
# Test 2: test that longpoll will terminate if another node generates a block
|
|
self.nodes[1].generate(1) # generate a block on another node
|
|
# check that thread will exit now that new transaction entered mempool
|
|
thr.join(5) # wait 5 seconds or until thread exits
|
|
assert not thr.is_alive()
|
|
|
|
# Test 3: test that longpoll will terminate if we generate a block ourselves
|
|
thr = LongpollThread(self.nodes[0])
|
|
thr.start()
|
|
self.nodes[0].generate(1) # generate a block on another node
|
|
thr.join(5) # wait 5 seconds or until thread exits
|
|
assert not thr.is_alive()
|
|
|
|
# Test 4: test that introducing a new transaction into the mempool will terminate the longpoll
|
|
thr = LongpollThread(self.nodes[0])
|
|
thr.start()
|
|
# generate a random transaction and submit it
|
|
min_relay_fee = self.nodes[0].getnetworkinfo()["relayfee"]
|
|
# min_relay_fee is fee per 1000 bytes, which should be more than enough.
|
|
(txid, txhex, fee) = random_transaction(self.nodes, Decimal("1.1"), min_relay_fee, Decimal("0.001"), 20)
|
|
# after one minute, every 10 seconds the mempool is probed, so in 80 seconds it should have returned
|
|
thr.join(60 + 20)
|
|
assert not thr.is_alive()
|
|
|
|
if __name__ == '__main__':
|
|
GetBlockTemplateLPTest().main()
|