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test/functional/abc-mempool-accept-txn.py
| #!/usr/bin/env python3 | #!/usr/bin/env python3 | ||||
| # Copyright (c) 2017 The Bitcoin developers | # Copyright (c) 2017 The Bitcoin developers | ||||
| # Distributed under the MIT software license, see the accompanying | # Distributed under the MIT software license, see the accompanying | ||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | # file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
| """ | """ | ||||
| This test checks acceptance of transactions by the mempool | This test checks acceptance of transactions by the mempool | ||||
| It is derived from the much more complex p2p-fullblocktest. | It is derived from the much more complex p2p-fullblocktest. | ||||
| """ | """ | ||||
| import time | import time | ||||
| from test_framework.blocktools import ( | from test_framework.blocktools import ( | ||||
| create_block, | create_block, | ||||
| create_coinbase, | create_coinbase, | ||||
| create_transaction, | create_tx_with_script, | ||||
| ) | ) | ||||
| from test_framework.cdefs import MAX_STANDARD_TX_SIGOPS | from test_framework.cdefs import MAX_STANDARD_TX_SIGOPS | ||||
| from test_framework.key import CECKey | from test_framework.key import CECKey | ||||
| from test_framework.messages import ( | from test_framework.messages import ( | ||||
| COutPoint, | COutPoint, | ||||
| CTransaction, | CTransaction, | ||||
| CTxIn, | CTxIn, | ||||
| CTxOut, | CTxOut, | ||||
| ▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines | class FullBlockTest(BitcoinTestFramework): | ||||
| def add_transactions_to_block(self, block, tx_list): | def add_transactions_to_block(self, block, tx_list): | ||||
| [tx.rehash() for tx in tx_list] | [tx.rehash() for tx in tx_list] | ||||
| block.vtx.extend(tx_list) | block.vtx.extend(tx_list) | ||||
| block.vtx = [block.vtx[0]] + \ | block.vtx = [block.vtx[0]] + \ | ||||
| sorted(block.vtx[1:], key=lambda tx: tx.get_id()) | sorted(block.vtx[1:], key=lambda tx: tx.get_id()) | ||||
| # this is a little handier to use than the version in blocktools.py | # this is a little handier to use than the version in blocktools.py | ||||
| def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])): | def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])): | ||||
| tx = create_transaction(spend_tx, n, b"", value, script) | tx = create_tx_with_script(spend_tx, n, b"", value, script) | ||||
| return tx | return tx | ||||
| # sign a transaction, using the key we know about | # sign a transaction, using the key we know about | ||||
| # this signs input 0 in tx, which is assumed to be spending output n in | # this signs input 0 in tx, which is assumed to be spending output n in | ||||
| # spend_tx | # spend_tx | ||||
| def sign_tx(self, tx, spend_tx, n): | def sign_tx(self, tx, spend_tx, n): | ||||
| scriptPubKey = bytearray(spend_tx.vout[n].scriptPubKey) | scriptPubKey = bytearray(spend_tx.vout[n].scriptPubKey) | ||||
| if (scriptPubKey[0] == OP_TRUE): # an anyone-can-spend | if (scriptPubKey[0] == OP_TRUE): # an anyone-can-spend | ||||
| Show All 26 Lines | def next_block(self, number, spend=None, additional_coinbase_value=0, script=CScript([OP_TRUE])): | ||||
| block = create_block(base_block_hash, coinbase, block_time) | block = create_block(base_block_hash, coinbase, block_time) | ||||
| else: | else: | ||||
| # all but one satoshi to fees | # all but one satoshi to fees | ||||
| coinbase.vout[0].nValue += spend.tx.vout[ | coinbase.vout[0].nValue += spend.tx.vout[ | ||||
| spend.n].nValue - 1 | spend.n].nValue - 1 | ||||
| coinbase.rehash() | coinbase.rehash() | ||||
| block = create_block(base_block_hash, coinbase, block_time) | block = create_block(base_block_hash, coinbase, block_time) | ||||
| # spend 1 satoshi | # spend 1 satoshi | ||||
| tx = create_transaction(spend.tx, spend.n, b"", 1, script) | tx = create_tx_with_script(spend.tx, spend.n, b"", 1, script) | ||||
| self.sign_tx(tx, spend.tx, spend.n) | self.sign_tx(tx, spend.tx, spend.n) | ||||
| self.add_transactions_to_block(block, [tx]) | self.add_transactions_to_block(block, [tx]) | ||||
| block.hashMerkleRoot = block.calc_merkle_root() | block.hashMerkleRoot = block.calc_merkle_root() | ||||
| # Do PoW, which is very inexpensive on regnet | # Do PoW, which is very inexpensive on regnet | ||||
| block.solve() | block.solve() | ||||
| self.tip = block | self.tip = block | ||||
| self.block_heights[block.sha256] = height | self.block_heights[block.sha256] = height | ||||
| assert number not in self.blocks | assert number not in self.blocks | ||||
| ▲ Show 20 Lines • Show All 128 Lines • Show Last 20 Lines | |||||