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test/functional/abc-mempool-accept-txn.py
| Show First 20 Lines • Show All 86 Lines • ▼ Show 20 Lines | def sign_tx(self, tx, spend_tx, n): | ||||
| [self.coinbase_key.sign(sighash) + bytes(bytearray([SIGHASH_ALL | SIGHASH_FORKID]))]) | [self.coinbase_key.sign(sighash) + bytes(bytearray([SIGHASH_ALL | SIGHASH_FORKID]))]) | ||||
| def create_and_sign_transaction(self, spend_tx, n, value, script=CScript([OP_TRUE])): | def create_and_sign_transaction(self, spend_tx, n, value, script=CScript([OP_TRUE])): | ||||
| tx = self.create_tx(spend_tx, n, value, script) | tx = self.create_tx(spend_tx, n, value, script) | ||||
| self.sign_tx(tx, spend_tx, n) | self.sign_tx(tx, spend_tx, n) | ||||
| tx.rehash() | tx.rehash() | ||||
| return tx | return tx | ||||
| def next_block(self, number, spend=None, additional_coinbase_value=0, script=CScript([OP_TRUE]), solve=True): | def next_block(self, number, spend=None, additional_coinbase_value=0, script=CScript([OP_TRUE])): | ||||
| if self.tip == None: | if self.tip == None: | ||||
| base_block_hash = self.genesis_hash | base_block_hash = self.genesis_hash | ||||
| block_time = int(time.time()) + 1 | block_time = int(time.time()) + 1 | ||||
| else: | else: | ||||
| base_block_hash = self.tip.sha256 | base_block_hash = self.tip.sha256 | ||||
| block_time = self.tip.nTime + 1 | block_time = self.tip.nTime + 1 | ||||
| # First create the coinbase | # First create the coinbase | ||||
| height = self.block_heights[base_block_hash] + 1 | height = self.block_heights[base_block_hash] + 1 | ||||
| coinbase = create_coinbase(height, self.coinbase_pubkey) | coinbase = create_coinbase(height, self.coinbase_pubkey) | ||||
| coinbase.vout[0].nValue += additional_coinbase_value | coinbase.vout[0].nValue += additional_coinbase_value | ||||
| coinbase.rehash() | coinbase.rehash() | ||||
| if spend == None: | if spend == None: | ||||
| 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_transaction(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() | ||||
| if solve: | # 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 | ||||
| self.blocks[number] = block | self.blocks[number] = block | ||||
| return block | return block | ||||
| def get_tests(self): | def get_tests(self): | ||||
| self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16) | self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16) | ||||
| ▲ Show 20 Lines • Show All 135 Lines • Show Last 20 Lines | |||||