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b0dec4a04a
-debug and -logtimemicros are now set by default. Individual test cases no longer need to set these parameters manually.
63 lines
2.4 KiB
Python
Executable File
63 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 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 spending coinbase transactions.
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The coinbase transaction in block N can appear in block
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N+100... so is valid in the mempool when the best block
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height is N+99.
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This test makes sure coinbase spends that will be mature
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in the next block are accepted into the memory pool,
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but less mature coinbase spends are NOT.
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"""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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# Create one-input, one-output, no-fee transaction:
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class MempoolSpendCoinbaseTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.num_nodes = 1
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self.setup_clean_chain = False
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def setup_network(self):
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# Just need one node for this test
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args = ["-checkmempool"]
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self.nodes = []
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self.nodes.append(start_node(0, self.options.tmpdir, args))
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self.is_network_split = False
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def run_test(self):
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chain_height = self.nodes[0].getblockcount()
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assert_equal(chain_height, 200)
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node0_address = self.nodes[0].getnewaddress()
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# Coinbase at height chain_height-100+1 ok in mempool, should
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# get mined. Coinbase at height chain_height-100+2 is
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# is too immature to spend.
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b = [ self.nodes[0].getblockhash(n) for n in range(101, 103) ]
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coinbase_txids = [ self.nodes[0].getblock(h)['tx'][0] for h in b ]
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spends_raw = [ create_tx(self.nodes[0], txid, node0_address, 49.99) for txid in coinbase_txids ]
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spend_101_id = self.nodes[0].sendrawtransaction(spends_raw[0])
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# coinbase at height 102 should be too immature to spend
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assert_raises(JSONRPCException, self.nodes[0].sendrawtransaction, spends_raw[1])
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# mempool should have just spend_101:
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assert_equal(self.nodes[0].getrawmempool(), [ spend_101_id ])
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# mine a block, spend_101 should get confirmed
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self.nodes[0].generate(1)
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assert_equal(set(self.nodes[0].getrawmempool()), set())
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# ... and now height 102 can be spent:
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spend_102_id = self.nodes[0].sendrawtransaction(spends_raw[1])
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assert_equal(self.nodes[0].getrawmempool(), [ spend_102_id ])
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if __name__ == '__main__':
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MempoolSpendCoinbaseTest().main()
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