You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
5.8 KiB
117 lines
5.8 KiB
#!/usr/bin/env python3 |
|
# Copyright (c) 2019-2020 The Bitcoin Core developers |
|
# Distributed under the MIT software license, see the accompanying |
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
|
"""Test p2p blocksonly mode & block-relay-only connections.""" |
|
|
|
import time |
|
|
|
from test_framework.blocktools import COINBASE_MATURITY |
|
from test_framework.messages import msg_tx |
|
from test_framework.p2p import P2PInterface, P2PTxInvStore |
|
from test_framework.test_framework import BitcoinTestFramework |
|
from test_framework.util import assert_equal |
|
from test_framework.wallet import MiniWallet |
|
|
|
|
|
class P2PBlocksOnly(BitcoinTestFramework): |
|
def set_test_params(self): |
|
self.setup_clean_chain = True |
|
self.num_nodes = 1 |
|
self.extra_args = [["-blocksonly"]] |
|
|
|
def run_test(self): |
|
self.miniwallet = MiniWallet(self.nodes[0]) |
|
# Add enough mature utxos to the wallet, so that all txs spend confirmed coins |
|
self.miniwallet.generate(2) |
|
self.nodes[0].generate(COINBASE_MATURITY) |
|
|
|
self.blocksonly_mode_tests() |
|
self.blocks_relay_conn_tests() |
|
|
|
def blocksonly_mode_tests(self): |
|
self.log.info("Tests with node running in -blocksonly mode") |
|
assert_equal(self.nodes[0].getnetworkinfo()['localrelay'], False) |
|
|
|
self.nodes[0].add_p2p_connection(P2PInterface()) |
|
tx, txid, wtxid, tx_hex = self.check_p2p_tx_violation() |
|
|
|
self.log.info('Check that txs from rpc are not rejected and relayed to other peers') |
|
tx_relay_peer = self.nodes[0].add_p2p_connection(P2PInterface()) |
|
assert_equal(self.nodes[0].getpeerinfo()[0]['relaytxes'], True) |
|
|
|
assert_equal(self.nodes[0].testmempoolaccept([tx_hex])[0]['allowed'], True) |
|
with self.nodes[0].assert_debug_log(['received getdata for: wtx {} peer=1'.format(wtxid)]): |
|
self.nodes[0].sendrawtransaction(tx_hex) |
|
tx_relay_peer.wait_for_tx(txid) |
|
assert_equal(self.nodes[0].getmempoolinfo()['size'], 1) |
|
|
|
self.log.info("Restarting node 0 with relay permission and blocksonly") |
|
self.restart_node(0, ["-persistmempool=0", "-whitelist=relay@127.0.0.1", "-blocksonly"]) |
|
assert_equal(self.nodes[0].getrawmempool(), []) |
|
first_peer = self.nodes[0].add_p2p_connection(P2PInterface()) |
|
second_peer = self.nodes[0].add_p2p_connection(P2PInterface()) |
|
peer_1_info = self.nodes[0].getpeerinfo()[0] |
|
assert_equal(peer_1_info['permissions'], ['relay']) |
|
peer_2_info = self.nodes[0].getpeerinfo()[1] |
|
assert_equal(peer_2_info['permissions'], ['relay']) |
|
assert_equal(self.nodes[0].testmempoolaccept([tx_hex])[0]['allowed'], True) |
|
|
|
self.log.info('Check that the tx from first_peer with relay-permission is relayed to others (ie.second_peer)') |
|
with self.nodes[0].assert_debug_log(["received getdata"]): |
|
# Note that normally, first_peer would never send us transactions since we're a blocksonly node. |
|
# By activating blocksonly, we explicitly tell our peers that they should not send us transactions, |
|
# and Bitcoin Core respects that choice and will not send transactions. |
|
# But if, for some reason, first_peer decides to relay transactions to us anyway, we should relay them to |
|
# second_peer since we gave relay permission to first_peer. |
|
# See https://github.com/bitcoin/bitcoin/issues/19943 for details. |
|
first_peer.send_message(msg_tx(tx)) |
|
self.log.info('Check that the peer with relay-permission is still connected after sending the transaction') |
|
assert_equal(first_peer.is_connected, True) |
|
second_peer.wait_for_tx(txid) |
|
assert_equal(self.nodes[0].getmempoolinfo()['size'], 1) |
|
self.log.info("Relay-permission peer's transaction is accepted and relayed") |
|
|
|
self.nodes[0].disconnect_p2ps() |
|
self.nodes[0].generate(1) |
|
|
|
def blocks_relay_conn_tests(self): |
|
self.log.info('Tests with node in normal mode with block-relay-only connections') |
|
self.restart_node(0, ["-noblocksonly"]) # disables blocks only mode |
|
assert_equal(self.nodes[0].getnetworkinfo()['localrelay'], True) |
|
|
|
# Ensure we disconnect if a block-relay-only connection sends us a transaction |
|
self.nodes[0].add_outbound_p2p_connection(P2PInterface(), p2p_idx=0, connection_type="block-relay-only") |
|
assert_equal(self.nodes[0].getpeerinfo()[0]['relaytxes'], False) |
|
_, txid, _, tx_hex = self.check_p2p_tx_violation(index=2) |
|
|
|
self.log.info("Check that txs from RPC are not sent to blockrelay connection") |
|
conn = self.nodes[0].add_outbound_p2p_connection(P2PTxInvStore(), p2p_idx=1, connection_type="block-relay-only") |
|
|
|
self.nodes[0].sendrawtransaction(tx_hex) |
|
|
|
# Bump time forward to ensure nNextInvSend timer pops |
|
self.nodes[0].setmocktime(int(time.time()) + 60) |
|
|
|
conn.sync_send_with_ping() |
|
assert(int(txid, 16) not in conn.get_invs()) |
|
|
|
def check_p2p_tx_violation(self, index=1): |
|
self.log.info('Check that txs from P2P are rejected and result in disconnect') |
|
input_txid = self.nodes[0].getblock(self.nodes[0].getblockhash(index), 2)['tx'][0]['txid'] |
|
utxo_to_spend = self.miniwallet.get_utxo(txid=input_txid) |
|
spendtx = self.miniwallet.create_self_transfer(from_node=self.nodes[0], utxo_to_spend=utxo_to_spend) |
|
|
|
with self.nodes[0].assert_debug_log(['transaction sent in violation of protocol peer=0']): |
|
self.nodes[0].p2ps[0].send_message(msg_tx(spendtx['tx'])) |
|
self.nodes[0].p2ps[0].wait_for_disconnect() |
|
assert_equal(self.nodes[0].getmempoolinfo()['size'], 0) |
|
|
|
# Remove the disconnected peer |
|
del self.nodes[0].p2ps[0] |
|
|
|
return spendtx['tx'], spendtx['txid'], spendtx['wtxid'], spendtx['hex'] |
|
|
|
|
|
if __name__ == '__main__': |
|
P2PBlocksOnly().main()
|
|
|