124 lines
5.1 KiB
Python
Executable file
124 lines
5.1 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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from test_framework.messages import MSG_TX, MSG_WTX, msg_feefilter
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from test_framework.p2p import P2PInterface, p2p_lock
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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from test_framework.wallet import MiniWallet
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class FeefilterConn(P2PInterface):
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feefilter_received = False
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def on_feefilter(self, message):
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self.feefilter_received = True
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def assert_feefilter_received(self, recv: bool):
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with p2p_lock:
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assert_equal(self.feefilter_received, recv)
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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 == MSG_TX) or (i.type == MSG_WTX):
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self.txinvs.append('{:064x}'.format(i.hash))
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def wait_for_invs_to_match(self, invs_expected):
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invs_expected.sort()
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self.wait_until(lambda: invs_expected == sorted(self.txinvs))
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def clear_invs(self):
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with p2p_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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# grant noban permission to all peers to speed up tx relay / mempool sync
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self.extra_args = [[
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"-minrelaytxfee=0.00000100",
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"-mintxfee=0.00000100",
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"-whitelist=noban@127.0.0.1",
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]] * self.num_nodes
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def run_test(self):
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self.test_feefilter_forcerelay()
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self.test_feefilter()
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def test_feefilter_forcerelay(self):
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self.log.info('Check that peers without forcerelay permission (default) get a feefilter message')
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self.nodes[0].add_p2p_connection(FeefilterConn()).assert_feefilter_received(True)
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self.log.info('Check that peers with forcerelay permission do not get a feefilter message')
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self.restart_node(0, extra_args=['-whitelist=forcerelay@127.0.0.1'])
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self.nodes[0].add_p2p_connection(FeefilterConn()).assert_feefilter_received(False)
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# Restart to disconnect peers and load default extra_args
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self.restart_node(0)
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self.connect_nodes(1, 0)
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def test_feefilter(self):
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node1 = self.nodes[1]
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node0 = self.nodes[0]
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miniwallet = MiniWallet(node1)
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# Add enough mature utxos to the wallet, so that all txs spend confirmed coins
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miniwallet.generate(5)
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node1.generate(100)
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conn = self.nodes[0].add_p2p_connection(TestP2PConn())
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self.log.info("Test txs paying 0.2 sat/byte are received by test connection")
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txids = [miniwallet.send_self_transfer(fee_rate=Decimal('0.00000200'), from_node=node1)['wtxid'] for _ in range(3)]
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conn.wait_for_invs_to_match(txids)
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conn.clear_invs()
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# Set a fee filter of 0.15 sat/byte on test connection
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conn.send_and_ping(msg_feefilter(150))
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self.log.info("Test txs paying 0.15 sat/byte are received by test connection")
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txids = [miniwallet.send_self_transfer(fee_rate=Decimal('0.00000150'), from_node=node1)['wtxid'] for _ in range(3)]
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conn.wait_for_invs_to_match(txids)
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conn.clear_invs()
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self.log.info("Test txs paying 0.1 sat/byte are no longer received by test connection")
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txids = [miniwallet.send_self_transfer(fee_rate=Decimal('0.00000100'), from_node=node1)['wtxid'] for _ 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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txids = [miniwallet.send_self_transfer(fee_rate=Decimal('0.00020000'), from_node=node0)['wtxid'] for _ in range(1)]
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conn.wait_for_invs_to_match(txids)
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conn.clear_invs()
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self.sync_mempools() # must be sure node 1 has received all txs
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self.log.info("Remove fee filter and check txs are received again")
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conn.send_and_ping(msg_feefilter(0))
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txids = [miniwallet.send_self_transfer(fee_rate=Decimal('0.00020000'), from_node=node1)['wtxid'] for _ in range(3)]
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conn.wait_for_invs_to_match(txids)
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conn.clear_invs()
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if __name__ == '__main__':
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FeeFilterTest().main()
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