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68 lines
2.8 KiB
68 lines
2.8 KiB
#!/usr/bin/env python3 |
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# Copyright (c) 2014-2017 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 resurrection of mined transactions when the blockchain is re-organized.""" |
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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 MempoolCoinbaseTest(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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node0_address = self.nodes[0].getnewaddress() |
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# Spend block 1/2/3's coinbase transactions |
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# Mine a block. |
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# Create three more transactions, spending the spends |
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# Mine another block. |
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# ... make sure all the transactions are confirmed |
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# Invalidate both blocks |
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# ... make sure all the transactions are put back in the mempool |
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# Mine a new block |
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# ... make sure all the transactions are confirmed again. |
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b = [ self.nodes[0].getblockhash(n) for n in range(1, 4) ] |
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coinbase_txids = [ self.nodes[0].getblock(h)['tx'][0] for h in b ] |
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spends1_raw = [ create_tx(self.nodes[0], txid, node0_address, 499.99) for txid in coinbase_txids ] |
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spends1_id = [ self.nodes[0].sendrawtransaction(tx) for tx in spends1_raw ] |
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blocks = [] |
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blocks.extend(self.nodes[0].generate(1)) |
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spends2_raw = [ create_tx(self.nodes[0], txid, node0_address, 499.98) for txid in spends1_id ] |
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spends2_id = [ self.nodes[0].sendrawtransaction(tx) for tx in spends2_raw ] |
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blocks.extend(self.nodes[0].generate(1)) |
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# mempool should be empty, all txns confirmed |
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assert_equal(set(self.nodes[0].getrawmempool()), set()) |
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for txid in spends1_id+spends2_id: |
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tx = self.nodes[0].gettransaction(txid) |
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assert(tx["confirmations"] > 0) |
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# Use invalidateblock to re-org back; all transactions should |
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# end up unconfirmed and back in the mempool |
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for node in self.nodes: |
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node.invalidateblock(blocks[0]) |
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# mempool should be empty, all txns confirmed |
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assert_equal(set(self.nodes[0].getrawmempool()), set(spends1_id+spends2_id)) |
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for txid in spends1_id+spends2_id: |
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tx = self.nodes[0].gettransaction(txid) |
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assert(tx["confirmations"] == 0) |
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# Generate another block, they should all get mined |
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self.nodes[0].generate(1) |
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# mempool should be empty, all txns confirmed |
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assert_equal(set(self.nodes[0].getrawmempool()), set()) |
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for txid in spends1_id+spends2_id: |
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tx = self.nodes[0].gettransaction(txid) |
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assert(tx["confirmations"] > 0) |
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if __name__ == '__main__': |
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MempoolCoinbaseTest().main()
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