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81 lines
2.5 KiB
81 lines
2.5 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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"""Test the listsincelast RPC.""" |
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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 ListSinceBlockTest (BitcoinTestFramework): |
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def __init__(self): |
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super().__init__() |
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self.setup_clean_chain = True |
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self.num_nodes = 4 |
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def run_test (self): |
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''' |
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`listsinceblock` did not behave correctly when handed a block that was |
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no longer in the main chain: |
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ab0 |
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/ \ |
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aa1 [tx0] bb1 |
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aa2 bb2 |
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aa3 bb3 |
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bb4 |
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Consider a client that has only seen block `aa3` above. It asks the node |
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to `listsinceblock aa3`. But at some point prior the main chain switched |
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to the bb chain. |
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Previously: listsinceblock would find height=4 for block aa3 and compare |
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this to height=5 for the tip of the chain (bb4). It would then return |
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results restricted to bb3-bb4. |
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Now: listsinceblock finds the fork at ab0 and returns results in the |
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range bb1-bb4. |
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This test only checks that [tx0] is present. |
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''' |
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assert_equal(self.is_network_split, False) |
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self.nodes[2].generate(101) |
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self.sync_all() |
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assert_equal(self.nodes[0].getbalance(), 0) |
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assert_equal(self.nodes[1].getbalance(), 0) |
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assert_equal(self.nodes[2].getbalance(), 50) |
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assert_equal(self.nodes[3].getbalance(), 0) |
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# Split network into two |
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self.split_network() |
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assert_equal(self.is_network_split, True) |
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# send to nodes[0] from nodes[2] |
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senttx = self.nodes[2].sendtoaddress(self.nodes[0].getnewaddress(), 1) |
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# generate on both sides |
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lastblockhash = self.nodes[1].generate(6)[5] |
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self.nodes[2].generate(7) |
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print('lastblockhash=%s' % (lastblockhash)) |
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self.sync_all() |
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self.join_network() |
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# listsinceblock(lastblockhash) should now include tx, as seen from nodes[0] |
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lsbres = self.nodes[0].listsinceblock(lastblockhash) |
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found = False |
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for tx in lsbres['transactions']: |
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if tx['txid'] == senttx: |
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found = True |
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break |
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assert_equal(found, True) |
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if __name__ == '__main__': |
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ListSinceBlockTest().main()
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