Gavin Andresen
10 years ago
2 changed files with 89 additions and 0 deletions
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#!/usr/bin/env python |
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# Copyright (c) 2014 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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# |
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# Test resurrection of mined transactions when |
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# the blockchain is re-organized. |
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# |
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from test_framework import BitcoinTestFramework |
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from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException |
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from util import * |
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import os |
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import shutil |
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# Create one-input, one-output, no-fee transaction: |
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class MempoolCoinbaseTest(BitcoinTestFramework): |
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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", "-debug=mempool"] |
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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 create_tx(self, from_txid, to_address, amount): |
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inputs = [{ "txid" : from_txid, "vout" : 0}] |
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outputs = { to_address : amount } |
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rawtx = self.nodes[0].createrawtransaction(inputs, outputs) |
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signresult = self.nodes[0].signrawtransaction(rawtx) |
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assert_equal(signresult["complete"], True) |
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return signresult["hex"] |
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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 = [ self.create_tx(txid, node0_address, 50) 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].setgenerate(True, 1)) |
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spends2_raw = [ self.create_tx(txid, node0_address, 49.99) 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].setgenerate(True, 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].setgenerate(True, 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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