dash/qa/rpc-tests/getblocktemplate_longpoll.py
PastaPastaPasta 07dcddb4ca Backports 0.15 pr2 (#2597)
* Merge #9815: Trivial: use EXIT_ codes instead of magic numbers

a87d02a use EXIT_ codes instead of magic numbers (Marko Bencun)

* Merge #9801: Removed redundant parameter from mempool.PrioritiseTransaction

eaea2bb Removed redundant parameter from mempool.PrioritiseTransaction (gubatron)

* remove extra parameter (see 3a3745bb) in dash specific code

* Merge #9819: Remove harmless read of unusued priority estimates

bc8fd12 Remove harmless read of unusued priority estimates (Alex Morcos)

* Merge #9766: Add --exclude option to rpc-tests.py

c578408 Add exclude option to rpc-tests.py (John Newbery)

* Merge #9577: Fix docstrings in qa tests

3f95a80 Fix docstrings in qa tests (John Newbery)

* Merge #9823: qa: Set correct path for binaries in rpc tests

3333ad0 qa: Set correct path for binaries in rpc tests (MarcoFalke)

* Merge #9833: Trivial: fix comments referencing AppInit2

ef9f495 Trivial: fix comments referencing AppInit2 (Marko Bencun)

* Merge #9612: [trivial] Rephrase the definition of difficulty.

dc222f8 Trivial: Rephrase the definition of difficulty in the code. (Karl-Johan Alm)

* Merge #9847: Extra test vector for BIP32

30aedcb BIP32 extra test vector (Pieter Wuille)

* Merge #9839: [qa] Make import-rescan.py watchonly check reliable

864890a [qa] Make import-rescan.py watchonly check reliable (Russell Yanofsky)

Tree-SHA512: ea0e2b1d4fc8f35174c3d575fb751b428daf6ad3aa944fad4e3ddcc9195e4f17051473acabc54203b1d27cca64cf911b737ab92e986c40ef384410652e2dbea1

* Change back file params
2019-01-07 12:55:35 +03:00

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Python
Executable File

#!/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):
print("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()