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71 lines
3.0 KiB
71 lines
3.0 KiB
#!/usr/bin/env python3 |
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# Copyright (c) 2014-2017 The Bitcoin Core developers |
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# Distributed under the MIT software license, see the accompanying |
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# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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"""Test longpolling with getblocktemplate.""" |
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from test_framework.test_framework import BitcoinTestFramework |
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from test_framework.util import * |
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import threading |
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class LongpollThread(threading.Thread): |
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def __init__(self, node): |
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threading.Thread.__init__(self) |
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# query current longpollid |
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templat = node.getblocktemplate() |
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self.longpollid = templat['longpollid'] |
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# create a new connection to the node, we can't use the same |
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# connection from two threads |
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self.node = get_rpc_proxy(node.url, 1, timeout=600, coveragedir=node.coverage_dir) |
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def run(self): |
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self.node.getblocktemplate({'longpollid':self.longpollid}) |
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class GetBlockTemplateLPTest(BitcoinTestFramework): |
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def set_test_params(self): |
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self.num_nodes = 2 |
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def run_test(self): |
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self.log.info("Warning: this test will take about 70 seconds in the best case. Be patient.") |
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self.nodes[0].generate(10) |
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templat = self.nodes[0].getblocktemplate() |
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longpollid = templat['longpollid'] |
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# longpollid should not change between successive invocations if nothing else happens |
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templat2 = self.nodes[0].getblocktemplate() |
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assert(templat2['longpollid'] == longpollid) |
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# Test 1: test that the longpolling wait if we do nothing |
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thr = LongpollThread(self.nodes[0]) |
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thr.start() |
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# check that thread still lives |
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thr.join(5) # wait 5 seconds or until thread exits |
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assert(thr.is_alive()) |
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# Test 2: test that longpoll will terminate if another node generates a block |
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self.nodes[1].generate(1) # generate a block on another node |
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# check that thread will exit now that new transaction entered mempool |
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thr.join(5) # wait 5 seconds or until thread exits |
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assert(not thr.is_alive()) |
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# Test 3: test that longpoll will terminate if we generate a block ourselves |
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thr = LongpollThread(self.nodes[0]) |
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thr.start() |
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self.nodes[0].generate(1) # generate a block on another node |
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thr.join(5) # wait 5 seconds or until thread exits |
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assert(not thr.is_alive()) |
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# Test 4: test that introducing a new transaction into the mempool will terminate the longpoll |
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thr = LongpollThread(self.nodes[0]) |
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thr.start() |
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# generate a random transaction and submit it |
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min_relay_fee = self.nodes[0].getnetworkinfo()["relayfee"] |
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# min_relay_fee is fee per 1000 bytes, which should be more than enough. |
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(txid, txhex, fee) = random_transaction(self.nodes, Decimal("1.1"), min_relay_fee, Decimal("0.001"), 20) |
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# after one minute, every 10 seconds the mempool is probed, so in 80 seconds it should have returned |
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thr.join(60 + 20) |
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assert(not thr.is_alive()) |
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if __name__ == '__main__': |
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GetBlockTemplateLPTest().main() |
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