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50 lines
1.6 KiB
50 lines
1.6 KiB
#!/usr/bin/env python3
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# Copyright (c) 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 GETDATA processing behavior"""
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from collections import defaultdict
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from test_framework.messages import (
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CInv,
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msg_getdata,
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)
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from test_framework.mininode import P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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class P2PStoreBlock(P2PInterface):
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def __init__(self):
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super().__init__()
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self.blocks = defaultdict(int)
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def on_block(self, message):
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message.block.calc_sha256()
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self.blocks[message.block.sha256] += 1
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class GetdataTest(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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p2p_block_store = self.nodes[0].add_p2p_connection(P2PStoreBlock())
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self.log.info("test that an invalid GETDATA doesn't prevent processing of future messages")
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# Send invalid message and verify that node responds to later ping
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invalid_getdata = msg_getdata()
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invalid_getdata.inv.append(CInv(t=0, h=0)) # INV type 0 is invalid.
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p2p_block_store.send_and_ping(invalid_getdata)
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# Check getdata still works by fetching tip block
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best_block = int(self.nodes[0].getbestblockhash(), 16)
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good_getdata = msg_getdata()
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good_getdata.inv.append(CInv(t=2, h=best_block))
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p2p_block_store.send_and_ping(good_getdata)
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p2p_block_store.wait_until(lambda: self.nodes[0].p2ps[0].blocks[best_block] == 1)
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if __name__ == '__main__':
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GetdataTest().main()
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