diff --git a/qa/rpc-tests/getblocktemplate.py b/qa/rpc-tests/getblocktemplate.py new file mode 100755 index 000000000..8d97719ec --- /dev/null +++ b/qa/rpc-tests/getblocktemplate.py @@ -0,0 +1,94 @@ +#!/usr/bin/env python +# Copyright (c) 2014 The Bitcoin Core developers +# Distributed under the MIT/X11 software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. + +# Exercise the listtransactions API + +from test_framework import BitcoinTestFramework +from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException +from util import * + + +def check_array_result(object_array, to_match, expected): + """ + Pass in array of JSON objects, a dictionary with key/value pairs + to match against, and another dictionary with expected key/value + pairs. + """ + num_matched = 0 + for item in object_array: + all_match = True + for key,value in to_match.items(): + if item[key] != value: + all_match = False + if not all_match: + continue + for key,value in expected.items(): + if item[key] != value: + raise AssertionError("%s : expected %s=%s"%(str(item), str(key), str(value))) + num_matched = num_matched+1 + if num_matched == 0: + raise AssertionError("No objects matched %s"%(str(to_match))) + +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 = AuthServiceProxy(node.url, timeout=600) + + def run(self): + self.node.getblocktemplate({'longpollid':self.longpollid}) + +class GetBlockTemplateTest(BitcoinTestFramework): + ''' + Test longpolling with getblocktemplate. + ''' + + def run_test(self, nodes): + print "Warning: this test will take about 70 seconds in the best case. Be patient." + nodes[0].setgenerate(True, 10) + templat = nodes[0].getblocktemplate() + longpollid = templat['longpollid'] + # longpollid should not change between successive invocations if nothing else happens + templat2 = nodes[0].getblocktemplate() + assert(templat2['longpollid'] == longpollid) + + # Test 1: test that the longpolling wait if we do nothing + thr = LongpollThread(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 + nodes[1].setgenerate(True, 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(nodes[0]) + thr.start() + nodes[0].setgenerate(True, 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(nodes[0]) + thr.start() + # generate a random transaction and submit it + (txid, txhex, fee) = random_transaction(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__': + GetBlockTemplateTest().main() + diff --git a/qa/rpc-tests/util.py b/qa/rpc-tests/util.py index 0a7f26ffc..fc7ae8577 100644 --- a/qa/rpc-tests/util.py +++ b/qa/rpc-tests/util.py @@ -156,7 +156,9 @@ def start_node(i, dir, extra_args=None, rpchost=None): ["-rpcwait", "getblockcount"], stdout=devnull) devnull.close() url = "http://rt:rt@%s:%d" % (rpchost or '127.0.0.1', rpc_port(i)) - return AuthServiceProxy(url) + proxy = AuthServiceProxy(url) + proxy.url = url # store URL on proxy for info + return proxy def start_nodes(num_nodes, dir, extra_args=None, rpchost=None): """