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144 lines
6.4 KiB
144 lines
6.4 KiB
#!/usr/bin/env python3
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# Copyright (c) 2015-2022 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 p2p permission message.
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Test that permissions are correctly calculated and applied
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"""
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from test_framework.messages import (
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SEQUENCE_FINAL,
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)
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from test_framework.p2p import P2PDataStore
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from test_framework.test_node import ErrorMatch
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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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p2p_port,
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)
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from test_framework.wallet import MiniWallet
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class P2PPermissionsTests(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 2
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def run_test(self):
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self.wallet = MiniWallet(self.nodes[0])
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self.check_tx_relay()
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self.checkpermission(
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# default permissions (no specific permissions)
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["-whitelist=127.0.0.1"],
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# Make sure the default values in the command line documentation match the ones here
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["relay", "noban", "mempool", "download"])
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self.checkpermission(
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# no permission (even with forcerelay)
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["-whitelist=@127.0.0.1", "-whitelistforcerelay=1"],
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[])
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self.checkpermission(
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# relay permission removed (no specific permissions)
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["-whitelist=127.0.0.1", "-whitelistrelay=0"],
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["noban", "mempool", "download"])
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self.checkpermission(
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# forcerelay and relay permission added
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# Legacy parameter interaction which set whitelistrelay to true
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# if whitelistforcerelay is true
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["-whitelist=127.0.0.1", "-whitelistforcerelay"],
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["forcerelay", "relay", "noban", "mempool", "download"])
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# Let's make sure permissions are merged correctly
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# For this, we need to use whitebind instead of bind
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# by modifying the configuration file.
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ip_port = "127.0.0.1:{}".format(p2p_port(1))
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self.nodes[1].replace_in_config([("bind=127.0.0.1", "whitebind=bloomfilter,forcerelay@" + ip_port)])
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self.checkpermission(
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["-whitelist=noban@127.0.0.1"],
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# Check parameter interaction forcerelay should activate relay
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["noban", "bloomfilter", "forcerelay", "relay", "download"])
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self.nodes[1].replace_in_config([("whitebind=bloomfilter,forcerelay@" + ip_port, "bind=127.0.0.1")])
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self.checkpermission(
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# legacy whitelistrelay should be ignored
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["-whitelist=noban,mempool@127.0.0.1", "-whitelistrelay"],
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["noban", "mempool", "download"])
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self.checkpermission(
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# legacy whitelistforcerelay should be ignored
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["-whitelist=noban,mempool@127.0.0.1", "-whitelistforcerelay"],
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["noban", "mempool", "download"])
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self.checkpermission(
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# missing mempool permission to be considered legacy whitelisted
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["-whitelist=noban@127.0.0.1"],
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["noban", "download"])
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self.checkpermission(
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# all permission added
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["-whitelist=all@127.0.0.1"],
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["forcerelay", "noban", "mempool", "bloomfilter", "relay", "download", "addr"])
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self.stop_node(1)
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self.nodes[1].assert_start_raises_init_error(["-whitelist=oopsie@127.0.0.1"], "Invalid P2P permission", match=ErrorMatch.PARTIAL_REGEX)
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self.nodes[1].assert_start_raises_init_error(["-whitelist=noban@127.0.0.1:230"], "Invalid netmask specified in", match=ErrorMatch.PARTIAL_REGEX)
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self.nodes[1].assert_start_raises_init_error(["-whitebind=noban@127.0.0.1/10"], "Cannot resolve -whitebind address", match=ErrorMatch.PARTIAL_REGEX)
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self.nodes[1].assert_start_raises_init_error(["-whitebind=noban@127.0.0.1", "-bind=127.0.0.1", "-listen=0"], "Cannot set -bind or -whitebind together with -listen=0", match=ErrorMatch.PARTIAL_REGEX)
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def check_tx_relay(self):
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self.log.debug("Create a connection from a forcerelay peer that rebroadcasts raw txs")
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# A test framework p2p connection is needed to send the raw transaction directly. If a full node was used, it could only
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# rebroadcast via the inv-getdata mechanism. However, even for forcerelay connections, a full node would
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# currently not request a txid that is already in the mempool.
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self.restart_node(1, extra_args=["-whitelist=forcerelay@127.0.0.1"])
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p2p_rebroadcast_wallet = self.nodes[1].add_p2p_connection(P2PDataStore())
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self.log.debug("Send a tx from the wallet initially")
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tx = self.wallet.create_self_transfer(sequence=SEQUENCE_FINAL)['tx']
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txid = tx.rehash()
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self.log.debug("Wait until tx is in node[1]'s mempool")
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p2p_rebroadcast_wallet.send_txs_and_test([tx], self.nodes[1])
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self.log.debug("Check that node[1] will send the tx to node[0] even though it is already in the mempool")
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self.connect_nodes(1, 0)
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with self.nodes[1].assert_debug_log(["Force relaying tx {} from peer=0".format(txid)]):
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p2p_rebroadcast_wallet.send_txs_and_test([tx], self.nodes[1])
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self.wait_until(lambda: txid in self.nodes[0].getrawmempool())
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self.log.debug("Check that node[1] will not send an invalid tx to node[0]")
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tx.vout[0].nValue += 1
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txid = tx.rehash()
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# Send the transaction twice. The first time, it'll be rejected by ATMP because it conflicts
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# with a mempool transaction. The second time, it'll be in the m_recent_rejects filter.
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p2p_rebroadcast_wallet.send_txs_and_test(
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[tx],
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self.nodes[1],
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success=False,
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reject_reason='{} from peer=0 was not accepted: txn-mempool-conflict'.format(txid)
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)
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p2p_rebroadcast_wallet.send_txs_and_test(
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[tx],
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self.nodes[1],
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success=False,
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reject_reason='Not relaying non-mempool transaction {} from forcerelay peer=0'.format(txid)
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)
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def checkpermission(self, args, expectedPermissions):
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self.restart_node(1, args)
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self.connect_nodes(0, 1)
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peerinfo = self.nodes[1].getpeerinfo()[0]
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assert_equal(len(expectedPermissions), len(peerinfo['permissions']))
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for p in expectedPermissions:
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if p not in peerinfo['permissions']:
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raise AssertionError("Expected permissions %r is not granted." % p)
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if __name__ == '__main__':
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P2PPermissionsTests().main()
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