def add_transaction(self, transaction, computation, block):
"""
Add a transaction to the given block and
return `trie_data` to store the transaction data in chaindb in VM layer.
Update the bloom_filter, transaction trie and receipt trie roots, bloom_filter,
bloom, and used_gas of the block.
:param transaction: the executed transaction
:param computation: the Computation object with executed result
:param block: the Block which the transaction is added in
:type transaction: Transaction
:type computation: Computation
:type block: Block
:return: the block and the trie_data
:rtype: (Block, dict[bytes, bytes])
"""
receipt = self.make_receipt(transaction, computation)
self.add_receipt(receipt)
# Create a new Block object
block_header = block.header.clone()
transactions = list(block.transactions)
block = self.block_class(block_header, transactions)
block.transactions.append(transaction)
# Get trie roots and changed key-values.
tx_root_hash, tx_kv_nodes = make_trie_root_and_nodes(
block.transactions,
self.trie_class,
)
receipt_root_hash, receipt_kv_nodes = make_trie_root_and_nodes(
self.receipts,
self.trie_class,
)
trie_data = merge(tx_kv_nodes, receipt_kv_nodes)
block.bloom_filter |= receipt.bloom
block.header.transaction_root = tx_root_hash
block.header.receipt_root = receipt_root_hash
block.header.bloom = int(block.bloom_filter)
block.header.gas_used = receipt.gas_used
return block, trie_data
def add_transaction(self, transaction, computation, block):
"""
Add a transaction to the given block and
return `trie_data` to store the transaction data in chaindb in VM layer.
Update the bloom_filter, transaction trie and receipt trie roots, bloom_filter,
bloom, and used_gas of the block.
:param transaction: the executed transaction
:param computation: the Computation object with executed result
:param block: the Block which the transaction is added in
:type transaction: Transaction
:type computation: Computation
:type block: Block
:return: the block and the trie_data
:rtype: (Block, dict[bytes, bytes])
"""
receipt = self.make_receipt(transaction, computation)
self.add_receipt(receipt)
# Create a new Block object
block_header = block.header.clone()
transactions = list(block.transactions)
block = self.block_class(block_header, transactions)
block.transactions.append(transaction)
# Get trie roots and changed key-values.
tx_root_hash, tx_kv_nodes = make_trie_root_and_nodes(
block.transactions,
self.trie_class,
)
receipt_root_hash, receipt_kv_nodes = make_trie_root_and_nodes(
self.receipts,
self.trie_class,
)
trie_data = merge(tx_kv_nodes, receipt_kv_nodes)
block.bloom_filter |= receipt.bloom
block.header.transaction_root = tx_root_hash
block.header.receipt_root = receipt_root_hash
block.header.bloom = int(block.bloom_filter)
block.header.gas_used = receipt.gas_used
return block, trie_data