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57 lines
2.4 KiB
57 lines
2.4 KiB
#!/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 |
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from test_framework.mininode import NODE_BLOOM, NODE_NETWORK_LIMITED, NODE_WITNESS, 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']] |
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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_WITNESS | 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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