#!/usr/bin/env python2 # Copyright (c) 2016 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. # from test_framework.mininode import * from test_framework.test_framework import BitcoinTestFramework from test_framework.util import * import time ''' FeeFilterTest -- test processing of feefilter messages ''' def hashToHex(hash): return format(hash, '064x') # Wait up to 60 secs to see if the testnode has received all the expected invs def allInvsMatch(invsExpected, testnode): for x in xrange(60): with mininode_lock: if (sorted(invsExpected) == sorted(testnode.txinvs)): return True; time.sleep(1) return False; # TestNode: bare-bones "peer". Used to track which invs are received from a node # and to send the node feefilter messages. class TestNode(SingleNodeConnCB): def __init__(self): SingleNodeConnCB.__init__(self) self.txinvs = [] def on_inv(self, conn, message): for i in message.inv: if (i.type == 1): self.txinvs.append(hashToHex(i.hash)) def clear_invs(self): with mininode_lock: self.txinvs = [] def send_filter(self, feerate): self.send_message(msg_feefilter(feerate)) self.sync_with_ping() class FeeFilterTest(BitcoinTestFramework): def setup_network(self): # Node1 will be used to generate txs which should be relayed from Node0 # to our test node self.nodes = [] self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-logtimemicros"])) self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-logtimemicros"])) connect_nodes(self.nodes[0], 1) def run_test(self): node1 = self.nodes[1] # Get out of IBD node1.generate(1) sync_blocks(self.nodes) # Setup the p2p connections and start up the network thread. test_node = TestNode() connection = NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test_node) test_node.add_connection(connection) NetworkThread().start() test_node.wait_for_verack() # Test that invs are received for all txs at feerate of 20 sat/byte node1.settxfee(Decimal("0.00020000")) txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] assert(allInvsMatch(txids, test_node)) test_node.clear_invs() # Set a filter of 15 sat/byte test_node.send_filter(15000) # Test that txs are still being received (paying 20 sat/byte) txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] assert(allInvsMatch(txids, test_node)) test_node.clear_invs() # Change tx fee rate to 10 sat/byte and test they are no longer received node1.settxfee(Decimal("0.00010000")) [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] sync_mempools(self.nodes) # must be sure node 0 has received all txs time.sleep(10) # wait 10 secs to be sure its doesn't relay any assert(allInvsMatch([], test_node)) test_node.clear_invs() # Remove fee filter and check that txs are received again test_node.send_filter(0) txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)] assert(allInvsMatch(txids, test_node)) test_node.clear_invs() if __name__ == '__main__': FeeFilterTest().main()