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17bb230d74
7148b74dc[tests] Functional tests must explicitly set num_nodes (John Newbery)5448a1471[tests] don't override __init__() in individual tests (John Newbery)6cf094a02[tests] Avoid passing around member variables in test_framework (John Newbery)36b626867[tests] TestNode: separate add_node from start_node (John Newbery)be2a2ab6a[tests] fix - use rpc_timeout as rpc timeout (John Newbery) Pull request description: Some additional tidyups after the introduction of TestNode: - commit 1 makes TestNode use the correct rpc timeout. This should have been included in #11077 - commit 2 separates `add_node()` from `start_node()` as originally discussed here: https://github.com/bitcoin/bitcoin/pull/10556#discussion_r121161453 with @kallewoof . The test writer no longer needs to assign to `self.nodes` when starting/stopping nodes. - commit 3 adds a `set_test_params()` method, so individual tests don't need to override `__init__()` and call `super().__init__()` Tree-SHA512: 0adb030623b96675b5c29e2890ce99ccd837ed05f721d0c91b35378c5ac01b6658174aac12f1f77402e1d38b61f39b3c43b4df85c96952565dde1cda05b0db84
54 lines
2.2 KiB
Python
Executable File
54 lines
2.2 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 set_test_params(self):
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self.num_nodes = 1
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self.extra_args = [["-checkmempool"]]
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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, 500 - Decimal('0.00001')) 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_jsonrpc(-26,"bad-txns-premature-spend-of-coinbase", 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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