diff --git a/qa/pull-tester/rpc-tests.py b/qa/pull-tester/rpc-tests.py index 83b6bdfe48..f3aa34a44d 100755 --- a/qa/pull-tester/rpc-tests.py +++ b/qa/pull-tester/rpc-tests.py @@ -152,6 +152,7 @@ testScripts = [ 'nulldummy.py', 'import-rescan.py', 'rpcnamedargs.py', + 'listsinceblock.py', ] if ENABLE_ZMQ: testScripts.append('zmq_test.py') diff --git a/qa/rpc-tests/listsinceblock.py b/qa/rpc-tests/listsinceblock.py new file mode 100755 index 0000000000..ca67b8eceb --- /dev/null +++ b/qa/rpc-tests/listsinceblock.py @@ -0,0 +1,80 @@ +#!/usr/bin/env python3 +# Copyright (c) 2017 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. + +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import assert_equal + +class ListSinceBlockTest (BitcoinTestFramework): + + def __init__(self): + super().__init__() + self.setup_clean_chain = True + self.num_nodes = 4 + + def run_test (self): + ''' + `listsinceblock` did not behave correctly when handed a block that was + no longer in the main chain: + + ab0 + / \ + aa1 [tx0] bb1 + | | + aa2 bb2 + | | + aa3 bb3 + | + bb4 + + Consider a client that has only seen block `aa3` above. It asks the node + to `listsinceblock aa3`. But at some point prior the main chain switched + to the bb chain. + + Previously: listsinceblock would find height=4 for block aa3 and compare + this to height=5 for the tip of the chain (bb4). It would then return + results restricted to bb3-bb4. + + Now: listsinceblock finds the fork at ab0 and returns results in the + range bb1-bb4. + + This test only checks that [tx0] is present. + ''' + + assert_equal(self.is_network_split, False) + self.nodes[2].generate(101) + self.sync_all() + + assert_equal(self.nodes[0].getbalance(), 0) + assert_equal(self.nodes[1].getbalance(), 0) + assert_equal(self.nodes[2].getbalance(), 50) + assert_equal(self.nodes[3].getbalance(), 0) + + # Split network into two + self.split_network() + assert_equal(self.is_network_split, True) + + # send to nodes[0] from nodes[2] + senttx = self.nodes[2].sendtoaddress(self.nodes[0].getnewaddress(), 1) + + # generate on both sides + lastblockhash = self.nodes[1].generate(6)[5] + self.nodes[2].generate(7) + print('lastblockhash=%s' % (lastblockhash)) + + self.sync_all() + + self.join_network() + + # listsinceblock(lastblockhash) should now include tx, as seen from nodes[0] + lsbres = self.nodes[0].listsinceblock(lastblockhash) + found = False + for tx in lsbres['transactions']: + if tx['txid'] == senttx: + found = True + break + assert_equal(found, True) + +if __name__ == '__main__': + ListSinceBlockTest().main()