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-rwxr-xr-xqa/rpc-tests/getblocktemplate.py94
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diff --git a/qa/rpc-tests/getblocktemplate.py b/qa/rpc-tests/getblocktemplate.py
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+#!/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()
+