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#!/usr/bin/env python2
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# Copyright (c) 2016 The Bitcoin Core developers
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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from test_framework.mininode import *
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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 time
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'''
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FeeFilterTest -- test processing of feefilter messages
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'''
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def hashToHex(hash):
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return format(hash, '064x')
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# Wait up to 60 secs to see if the testnode has received all the expected invs
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def allInvsMatch(invsExpected, testnode):
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for x in xrange(60):
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with mininode_lock:
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if (sorted(invsExpected) == sorted(testnode.txinvs)):
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return True;
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time.sleep(1)
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return False;
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# TestNode: bare-bones "peer". Used to track which invs are received from a node
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# and to send the node feefilter messages.
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class TestNode(SingleNodeConnCB):
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def __init__(self):
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SingleNodeConnCB.__init__(self)
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self.txinvs = []
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def on_inv(self, conn, message):
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for i in message.inv:
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if (i.type == 1):
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self.txinvs.append(hashToHex(i.hash))
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def clear_invs(self):
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with mininode_lock:
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self.txinvs = []
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def send_filter(self, feerate):
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self.send_message(msg_feefilter(feerate))
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self.sync_with_ping()
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class FeeFilterTest(BitcoinTestFramework):
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def setup_network(self):
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# Node1 will be used to generate txs which should be relayed from Node0
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# to our test node
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self.nodes = []
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self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-logtimemicros"]))
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self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-logtimemicros"]))
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connect_nodes(self.nodes[0], 1)
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def run_test(self):
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node1 = self.nodes[1]
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# Get out of IBD
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node1.generate(1)
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sync_blocks(self.nodes)
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# Setup the p2p connections and start up the network thread.
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test_node = TestNode()
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connection = NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test_node)
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test_node.add_connection(connection)
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NetworkThread().start()
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test_node.wait_for_verack()
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# Test that invs are received for all txs at feerate of 20 sat/byte
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node1.settxfee(Decimal("0.00020000"))
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txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)]
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assert(allInvsMatch(txids, test_node))
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test_node.clear_invs()
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# Set a filter of 15 sat/byte
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test_node.send_filter(15000)
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# Test that txs are still being received (paying 20 sat/byte)
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txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)]
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assert(allInvsMatch(txids, test_node))
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test_node.clear_invs()
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# Change tx fee rate to 10 sat/byte and test they are no longer received
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node1.settxfee(Decimal("0.00010000"))
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[node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)]
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sync_mempools(self.nodes) # must be sure node 0 has received all txs
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time.sleep(10) # wait 10 secs to be sure its doesn't relay any
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assert(allInvsMatch([], test_node))
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test_node.clear_invs()
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# Remove fee filter and check that txs are received again
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test_node.send_filter(0)
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txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in xrange(3)]
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assert(allInvsMatch(txids, test_node))
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test_node.clear_invs()
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if __name__ == '__main__':
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FeeFilterTest().main()
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