105 lines
4 KiB
Python
Executable file
105 lines
4 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2016-2019 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 processing of feefilter messages."""
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from decimal import Decimal
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import time
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from test_framework.messages import msg_feefilter
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from test_framework.mininode import mininode_lock, P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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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 range(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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class TestP2PConn(P2PInterface):
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def __init__(self):
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super().__init__()
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self.txinvs = []
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def on_inv(self, 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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class FeeFilterTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 2
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# We lower the various required feerates for this test
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# to catch a corner-case where feefilter used to slightly undercut
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# mempool and wallet feerate calculation based on GetFee
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# rounding down 3 places, leading to stranded transactions.
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# See issue #16499
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self.extra_args = [["-minrelaytxfee=0.00000100", "-mintxfee=0.00000100"]]*self.num_nodes
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def run_test(self):
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node1 = self.nodes[1]
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node0 = self.nodes[0]
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# Get out of IBD
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node1.generate(1)
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self.sync_blocks()
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self.nodes[0].add_p2p_connection(TestP2PConn())
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# Test that invs are received by test connection for all txs at
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# feerate of .2 sat/byte
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node1.settxfee(Decimal("0.00000200"))
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txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in range(3)]
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assert allInvsMatch(txids, self.nodes[0].p2p)
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self.nodes[0].p2p.clear_invs()
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# Set a filter of .15 sat/byte on test connection
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self.nodes[0].p2p.send_and_ping(msg_feefilter(150))
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# Test that txs are still being received by test connection (paying .15 sat/byte)
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node1.settxfee(Decimal("0.00000150"))
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txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in range(3)]
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assert allInvsMatch(txids, self.nodes[0].p2p)
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self.nodes[0].p2p.clear_invs()
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# Change tx fee rate to .1 sat/byte and test they are no longer received
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# by the test connection
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node1.settxfee(Decimal("0.00000100"))
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[node1.sendtoaddress(node1.getnewaddress(), 1) for x in range(3)]
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self.sync_mempools() # must be sure node 0 has received all txs
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# Send one transaction from node0 that should be received, so that we
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# we can sync the test on receipt (if node1's txs were relayed, they'd
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# be received by the time this node0 tx is received). This is
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# unfortunately reliant on the current relay behavior where we batch up
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# to 35 entries in an inv, which means that when this next transaction
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# is eligible for relay, the prior transactions from node1 are eligible
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# as well.
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node0.settxfee(Decimal("0.00020000"))
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txids = [node0.sendtoaddress(node0.getnewaddress(), 1)]
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assert allInvsMatch(txids, self.nodes[0].p2p)
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self.nodes[0].p2p.clear_invs()
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# Remove fee filter and check that txs are received again
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self.nodes[0].p2p.send_and_ping(msg_feefilter(0))
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txids = [node1.sendtoaddress(node1.getnewaddress(), 1) for x in range(3)]
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assert allInvsMatch(txids, self.nodes[0].p2p)
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self.nodes[0].p2p.clear_invs()
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if __name__ == '__main__':
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FeeFilterTest().main()
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