bitcoin/test/functional/p2p_getdata.py
Oliver Gugger 0fcaf73199
test: use explicit p2p objects where available
To make the intent of the tests easier to understand, we reference the
p2p connection objects by their explicit names instead of the p2ps array.
2020-09-26 10:48:54 +02:00

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Python
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#!/usr/bin/env python3
# Copyright (c) 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 GETDATA processing behavior"""
from collections import defaultdict
from test_framework.messages import (
CInv,
msg_getdata,
)
from test_framework.p2p import P2PInterface
from test_framework.test_framework import BitcoinTestFramework
class P2PStoreBlock(P2PInterface):
def __init__(self):
super().__init__()
self.blocks = defaultdict(int)
def on_block(self, message):
message.block.calc_sha256()
self.blocks[message.block.sha256] += 1
class GetdataTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
def run_test(self):
p2p_block_store = self.nodes[0].add_p2p_connection(P2PStoreBlock())
self.log.info("test that an invalid GETDATA doesn't prevent processing of future messages")
# Send invalid message and verify that node responds to later ping
invalid_getdata = msg_getdata()
invalid_getdata.inv.append(CInv(t=0, h=0)) # INV type 0 is invalid.
p2p_block_store.send_and_ping(invalid_getdata)
# Check getdata still works by fetching tip block
best_block = int(self.nodes[0].getbestblockhash(), 16)
good_getdata = msg_getdata()
good_getdata.inv.append(CInv(t=2, h=best_block))
p2p_block_store.send_and_ping(good_getdata)
p2p_block_store.wait_until(lambda: p2p_block_store.blocks[best_block] == 1)
if __name__ == '__main__':
GetdataTest().main()