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43 lines
1.9 KiB
43 lines
1.9 KiB
3 years ago
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#!/usr/bin/env python3
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# Copyright (c) 2015-2020 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 node responses to invalid locators.
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"""
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from test_framework.messages import msg_getheaders, msg_getblocks, MAX_LOCATOR_SZ
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from test_framework.p2p import P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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class InvalidLocatorTest(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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node = self.nodes[0] # convenience reference to the node
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node.generatetoaddress(1, node.get_deterministic_priv_key().address) # Get node out of IBD
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self.log.info('Test max locator size')
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block_count = node.getblockcount()
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for msg in [msg_getheaders(), msg_getblocks()]:
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self.log.info('Wait for disconnect when sending {} hashes in locator'.format(MAX_LOCATOR_SZ + 1))
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exceed_max_peer = node.add_p2p_connection(P2PInterface())
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msg.locator.vHave = [int(node.getblockhash(i - 1), 16) for i in range(block_count, block_count - (MAX_LOCATOR_SZ + 1), -1)]
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exceed_max_peer.send_message(msg)
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exceed_max_peer.wait_for_disconnect()
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node.disconnect_p2ps()
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self.log.info('Wait for response when sending {} hashes in locator'.format(MAX_LOCATOR_SZ))
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within_max_peer = node.add_p2p_connection(P2PInterface())
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msg.locator.vHave = [int(node.getblockhash(i - 1), 16) for i in range(block_count, block_count - (MAX_LOCATOR_SZ), -1)]
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within_max_peer.send_message(msg)
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if type(msg) == msg_getheaders:
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within_max_peer.wait_for_header(node.getbestblockhash())
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else:
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within_max_peer.wait_for_block(int(node.getbestblockhash(), 16))
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if __name__ == '__main__':
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InvalidLocatorTest().main()
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