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61 lines
2.4 KiB
61 lines
2.4 KiB
3 years ago
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#!/usr/bin/env python3
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# Copyright (c) 2017-2020 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 that we don't leak txs to inbound peers that we haven't yet announced to"""
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from test_framework.blocktools import COINBASE_MATURITY
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from test_framework.messages import msg_getdata, CInv, MSG_TX
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from test_framework.p2p import p2p_lock, P2PDataStore
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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)
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from test_framework.wallet import MiniWallet
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class P2PNode(P2PDataStore):
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def on_inv(self, msg):
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pass
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class P2PLeakTxTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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def run_test(self):
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gen_node = self.nodes[0] # The block and tx generating node
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miniwallet = MiniWallet(gen_node)
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# Add enough mature utxos to the wallet, so that all txs spend confirmed coins
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miniwallet.generate(1)
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gen_node.generate(COINBASE_MATURITY)
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inbound_peer = self.nodes[0].add_p2p_connection(P2PNode()) # An "attacking" inbound peer
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MAX_REPEATS = 100
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self.log.info("Running test up to {} times.".format(MAX_REPEATS))
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for i in range(MAX_REPEATS):
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self.log.info('Run repeat {}'.format(i + 1))
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txid = miniwallet.send_self_transfer(from_node=gen_node)['wtxid']
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want_tx = msg_getdata()
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want_tx.inv.append(CInv(t=MSG_TX, h=int(txid, 16)))
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with p2p_lock:
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inbound_peer.last_message.pop('notfound', None)
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inbound_peer.send_and_ping(want_tx)
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if inbound_peer.last_message.get('notfound'):
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self.log.debug('tx {} was not yet announced to us.'.format(txid))
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self.log.debug("node has responded with a notfound message. End test.")
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assert_equal(inbound_peer.last_message['notfound'].vec[0].hash, int(txid, 16))
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with p2p_lock:
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inbound_peer.last_message.pop('notfound')
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break
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else:
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self.log.debug('tx {} was already announced to us. Try test again.'.format(txid))
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assert int(txid, 16) in [inv.hash for inv in inbound_peer.last_message['inv'].inv]
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if __name__ == '__main__':
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P2PLeakTxTest().main()
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