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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
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#!/usr/bin/env python3
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# Copyright (c) 2022 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 block download
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Ensure that even in IBD, we'll eventually sync chain from inbound peers
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(whether we have only inbound peers or both inbound and outbound peers).
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"""
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from test_framework.test_framework import BitcoinTestFramework
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class BlockSyncTest(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 = 3
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def setup_network(self):
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self.setup_nodes()
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# Construct a network:
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# node0 -> node1 -> node2
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# So node1 has both an inbound and outbound peer.
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# In our test, we will mine a block on node0, and ensure that it makes
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# to to both node1 and node2.
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self.connect_nodes(0, 1)
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self.connect_nodes(1, 2)
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def run_test(self):
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self.log.info("Setup network: node0->node1->node2")
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self.log.info("Mining one block on node0 and verify all nodes sync")
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self.nodes[0].generate(1)
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self.log.info("Success!")
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if __name__ == '__main__':
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BlockSyncTest().main()
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