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236 lines
11 KiB
236 lines
11 KiB
#!/usr/bin/env python3
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# Copyright (c) 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 SENDTXRCNCL message
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"""
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from test_framework.messages import (
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msg_sendtxrcncl,
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msg_verack,
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msg_version,
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msg_wtxidrelay,
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NODE_BLOOM,
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)
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from test_framework.p2p import (
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P2PInterface,
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P2P_SERVICES,
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P2P_SUBVERSION,
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P2P_VERSION,
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)
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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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class PeerNoVerack(P2PInterface):
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def __init__(self, wtxidrelay=True):
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super().__init__(wtxidrelay=wtxidrelay)
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def on_version(self, message):
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# Avoid sending verack in response to version.
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# When calling add_p2p_connection, wait_for_verack=False must be set (see
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# comment in add_p2p_connection).
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self.send_version()
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if message.nVersion >= 70016 and self.wtxidrelay:
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self.send_message(msg_wtxidrelay())
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class SendTxrcnclReceiver(P2PInterface):
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def __init__(self):
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super().__init__()
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self.sendtxrcncl_msg_received = None
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def on_sendtxrcncl(self, message):
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self.sendtxrcncl_msg_received = message
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class P2PFeelerReceiver(SendTxrcnclReceiver):
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def on_version(self, message):
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# feeler connections can not send any message other than their own version
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self.send_version()
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class PeerTrackMsgOrder(P2PInterface):
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def __init__(self):
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super().__init__()
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self.messages = []
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def on_message(self, message):
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super().on_message(message)
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self.messages.append(message)
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def create_sendtxrcncl_msg():
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sendtxrcncl_msg = msg_sendtxrcncl()
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sendtxrcncl_msg.version = 1
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sendtxrcncl_msg.salt = 2
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return sendtxrcncl_msg
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class SendTxRcnclTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.extra_args = [['-txreconciliation']]
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def run_test(self):
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# Check everything concerning *sending* SENDTXRCNCL
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# First, *sending* to *inbound*.
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self.log.info('SENDTXRCNCL sent to an inbound')
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peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=True, wait_for_verack=True)
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assert peer.sendtxrcncl_msg_received
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assert_equal(peer.sendtxrcncl_msg_received.version, 1)
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self.nodes[0].disconnect_p2ps()
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self.log.info('SENDTXRCNCL should be sent before VERACK')
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peer = self.nodes[0].add_p2p_connection(PeerTrackMsgOrder(), send_version=True, wait_for_verack=True)
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peer.wait_for_verack()
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verack_index = [i for i, msg in enumerate(peer.messages) if msg.msgtype == b'verack'][0]
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sendtxrcncl_index = [i for i, msg in enumerate(peer.messages) if msg.msgtype == b'sendtxrcncl'][0]
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assert sendtxrcncl_index < verack_index
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self.nodes[0].disconnect_p2ps()
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self.log.info('SENDTXRCNCL on pre-WTXID version should not be sent')
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peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=False, wait_for_verack=False)
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pre_wtxid_version_msg = msg_version()
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pre_wtxid_version_msg.nVersion = 70015
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pre_wtxid_version_msg.strSubVer = P2P_SUBVERSION
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pre_wtxid_version_msg.nServices = P2P_SERVICES
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pre_wtxid_version_msg.relay = 1
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peer.send_message(pre_wtxid_version_msg)
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peer.wait_for_verack()
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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self.log.info('SENDTXRCNCL for fRelay=false should not be sent')
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peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=False, wait_for_verack=False)
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no_txrelay_version_msg = msg_version()
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no_txrelay_version_msg.nVersion = P2P_VERSION
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no_txrelay_version_msg.strSubVer = P2P_SUBVERSION
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no_txrelay_version_msg.nServices = P2P_SERVICES
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no_txrelay_version_msg.relay = 0
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peer.send_message(no_txrelay_version_msg)
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peer.wait_for_verack()
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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self.log.info('SENDTXRCNCL for fRelay=false should not be sent (with NODE_BLOOM offered)')
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self.restart_node(0, ["-peerbloomfilters", "-txreconciliation"])
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peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=False, wait_for_verack=False)
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no_txrelay_version_msg = msg_version()
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no_txrelay_version_msg.nVersion = P2P_VERSION
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no_txrelay_version_msg.strSubVer = P2P_SUBVERSION
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no_txrelay_version_msg.nServices = P2P_SERVICES
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no_txrelay_version_msg.relay = 0
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peer.send_message(no_txrelay_version_msg)
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peer.wait_for_verack()
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assert peer.nServices & NODE_BLOOM != 0
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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# Now, *sending* to *outbound*.
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self.log.info('SENDTXRCNCL sent to an outbound')
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peer = self.nodes[0].add_outbound_p2p_connection(
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SendTxrcnclReceiver(), wait_for_verack=True, p2p_idx=0, connection_type="outbound-full-relay")
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assert peer.sendtxrcncl_msg_received
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assert_equal(peer.sendtxrcncl_msg_received.version, 1)
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self.nodes[0].disconnect_p2ps()
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self.log.info('SENDTXRCNCL should not be sent if block-relay-only')
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peer = self.nodes[0].add_outbound_p2p_connection(
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SendTxrcnclReceiver(), wait_for_verack=True, p2p_idx=0, connection_type="block-relay-only")
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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self.log.info("SENDTXRCNCL should not be sent if feeler")
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peer = self.nodes[0].add_outbound_p2p_connection(P2PFeelerReceiver(), p2p_idx=0, connection_type="feeler")
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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self.log.info("SENDTXRCNCL should not be sent if addrfetch")
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peer = self.nodes[0].add_outbound_p2p_connection(
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SendTxrcnclReceiver(), wait_for_verack=True, p2p_idx=0, connection_type="addr-fetch")
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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self.log.info('SENDTXRCNCL not sent if -txreconciliation flag is not set')
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self.restart_node(0, [])
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peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=True, wait_for_verack=True)
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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self.log.info('SENDTXRCNCL not sent if blocksonly is set')
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self.restart_node(0, ["-txreconciliation", "-blocksonly"])
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peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=True, wait_for_verack=True)
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assert not peer.sendtxrcncl_msg_received
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self.nodes[0].disconnect_p2ps()
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# Check everything concerning *receiving* SENDTXRCNCL
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# First, receiving from *inbound*.
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self.restart_node(0, ["-txreconciliation"])
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self.log.info('valid SENDTXRCNCL received')
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peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
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with self.nodes[0].assert_debug_log(["received: sendtxrcncl"]):
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peer.send_message(create_sendtxrcncl_msg())
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self.log.info('second SENDTXRCNCL triggers a disconnect')
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with self.nodes[0].assert_debug_log(["(sendtxrcncl received from already registered peer); disconnecting"]):
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peer.send_message(create_sendtxrcncl_msg())
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peer.wait_for_disconnect()
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self.restart_node(0, [])
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self.log.info('SENDTXRCNCL if no txreconciliation supported is ignored')
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peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
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with self.nodes[0].assert_debug_log(['ignored, as our node does not have txreconciliation enabled']):
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peer.send_message(create_sendtxrcncl_msg())
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self.nodes[0].disconnect_p2ps()
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self.restart_node(0, ["-txreconciliation"])
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self.log.info('SENDTXRCNCL with version=0 triggers a disconnect')
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sendtxrcncl_low_version = create_sendtxrcncl_msg()
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sendtxrcncl_low_version.version = 0
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peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
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with self.nodes[0].assert_debug_log(["txreconciliation protocol violation"]):
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peer.send_message(sendtxrcncl_low_version)
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peer.wait_for_disconnect()
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self.log.info('SENDTXRCNCL with version=2 is valid')
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sendtxrcncl_higher_version = create_sendtxrcncl_msg()
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sendtxrcncl_higher_version.version = 2
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peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
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with self.nodes[0].assert_debug_log(['Register peer=1']):
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peer.send_message(sendtxrcncl_higher_version)
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self.nodes[0].disconnect_p2ps()
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self.log.info('unexpected SENDTXRCNCL is ignored')
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peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=False, wait_for_verack=False)
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old_version_msg = msg_version()
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old_version_msg.nVersion = 70015
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old_version_msg.strSubVer = P2P_SUBVERSION
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old_version_msg.nServices = P2P_SERVICES
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old_version_msg.relay = 1
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peer.send_message(old_version_msg)
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with self.nodes[0].assert_debug_log(['Ignore unexpected txreconciliation signal']):
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peer.send_message(create_sendtxrcncl_msg())
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self.nodes[0].disconnect_p2ps()
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self.log.info('sending SENDTXRCNCL after sending VERACK triggers a disconnect')
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peer = self.nodes[0].add_p2p_connection(P2PInterface())
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with self.nodes[0].assert_debug_log(["sendtxrcncl received after verack"]):
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peer.send_message(create_sendtxrcncl_msg())
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peer.wait_for_disconnect()
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self.log.info('SENDTXRCNCL without WTXIDRELAY is ignored (recon state is erased after VERACK)')
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peer = self.nodes[0].add_p2p_connection(PeerNoVerack(wtxidrelay=False), send_version=True, wait_for_verack=False)
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with self.nodes[0].assert_debug_log(['Forget txreconciliation state of peer']):
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peer.send_message(create_sendtxrcncl_msg())
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peer.send_message(msg_verack())
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self.nodes[0].disconnect_p2ps()
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# Now, *receiving* from *outbound*.
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self.log.info('SENDTXRCNCL if block-relay-only triggers a disconnect')
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peer = self.nodes[0].add_outbound_p2p_connection(
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PeerNoVerack(), wait_for_verack=False, p2p_idx=0, connection_type="block-relay-only")
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with self.nodes[0].assert_debug_log(["we indicated no tx relay; disconnecting"]):
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peer.send_message(create_sendtxrcncl_msg())
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peer.wait_for_disconnect()
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if __name__ == '__main__':
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SendTxRcnclTest(__file__).main()
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