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58 lines
2.4 KiB
Python
Executable File
58 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2017 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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"""Tests NODE_NETWORK_LIMITED.
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Tests that a node configured with -prune=550 signals NODE_NETWORK_LIMITED correctly
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and that it responds to getdata requests for blocks correctly:
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- send a block within 288 + 2 of the tip
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- disconnect peers who request blocks older than that."""
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from test_framework.messages import CInv, msg_getdata, NODE_BLOOM, NODE_NETWORK_LIMITED
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from test_framework.mininode import NetworkThread, P2PInterface
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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 P2PIgnoreInv(P2PInterface):
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def on_inv(self, message):
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# The node will send us invs for other blocks. Ignore them.
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pass
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def send_getdata_for_block(self, blockhash):
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getdata_request = msg_getdata()
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getdata_request.inv.append(CInv(2, int(blockhash, 16)))
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self.send_message(getdata_request)
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class NodeNetworkLimitedTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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self.extra_args = [['-prune=550', '-txindex=0']]
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def run_test(self):
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node = self.nodes[0].add_p2p_connection(P2PIgnoreInv())
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NetworkThread().start()
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node.wait_for_verack()
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expected_services = NODE_BLOOM | NODE_NETWORK_LIMITED
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self.log.info("Check that node has signalled expected services.")
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assert_equal(node.nServices, expected_services)
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self.log.info("Check that the localservices is as expected.")
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assert_equal(int(self.nodes[0].getnetworkinfo()['localservices'], 16), expected_services)
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self.log.info("Mine enough blocks to reach the NODE_NETWORK_LIMITED range.")
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blocks = self.nodes[0].generate(292)
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self.log.info("Make sure we can max retrive block at tip-288.")
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node.send_getdata_for_block(blocks[1]) # last block in valid range
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node.wait_for_block(int(blocks[1], 16), timeout=3)
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self.log.info("Requesting block at height 2 (tip-289) must fail (ignored).")
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node.send_getdata_for_block(blocks[0]) # first block outside of the 288+2 limit
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node.wait_for_disconnect(5)
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if __name__ == '__main__':
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NodeNetworkLimitedTest().main()
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