dash/qa/rpc-tests/getblocktemplate_longpoll.py
MarcoFalke dad8c67d38 Merge #9768: [qa] Add logging to test_framework.py
64c0800 Use logging in individual tests (John Newbery)
38ad281 Use logging in test_framework/comptool.py (John Newbery)
ff19073 Use logging in test_framework/blockstore.py (John Newbery)
2a9c7c7 Use logging in test_framework/util.py (John Newbery)
b0dec4a Remove manual debug settings in qa tests. (John Newbery)
af1363c Always enable debug log and microsecond logging for test nodes. (John Newbery)
6d0e325 Use logging in mininode.py (John Newbery)
553a976 Add logging to p2p-segwit.py (John Newbery)
0e6d23d Add logging to test_framework.py (John Newbery)

Tree-SHA512: 42ee2acbf444ec32d796f930f9f6e272da03c75e93d974a126d4ea9b2dbaa77cc57ab5e63ce3fd33d609049d884eb8d9f65272c08922d10f8db69d4a60ad05a3
2019-02-26 15:54:32 -06:00

73 lines
2.9 KiB
Python

#!/usr/bin/env python3
# Copyright (c) 2014-2016 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 test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
import threading
class LongpollThread(threading.Thread):
def __init__(self, node):
threading.Thread.__init__(self)
# query current longpollid
templat = node.getblocktemplate()
self.longpollid = templat['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)
def run(self):
self.node.getblocktemplate({'longpollid':self.longpollid})
class GetBlockTemplateLPTest(BitcoinTestFramework):
def __init__(self):
super().__init__()
self.num_nodes = 4
self.setup_clean_chain = False
def run_test(self):
self.log.info("Warning: this test will take about 70 seconds in the best case. Be patient.")
wait_to_sync(self.nodes[0])
self.nodes[0].generate(10)
templat = self.nodes[0].getblocktemplate()
longpollid = templat['longpollid']
# longpollid should not change between successive invocations if nothing else happens
templat2 = self.nodes[0].getblocktemplate()
assert(templat2['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
(txid, txhex, fee) = random_transaction(self.nodes, Decimal("1.1"), Decimal("0.0"), 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()