def make_receipt(transaction, block, _transaction_index, overrides=None):
if overrides is None:
overrides = {}
gas_used = overrides.get('gas_used', 21000)
yield 'gas_used', gas_used
yield 'logs', overrides.get('logs', [])
yield 'transaction_hash', overrides.get('transaction_hash', transaction.get('hash'))
yield (
'cumulative_gas_used',
overrides.get('cumulative_gas_used', block.get('gas_used') + gas_used)
)
yield (
'effective_gas_price',
overrides.get('effective_gas_price', calculate_effective_gas_price(transaction, block))
)
yield (
'type',
overrides.get('type', transaction.get('type', extract_transaction_type(transaction)))
)
yield (
'contract_address',
overrides.get(
'contract_address',
generate_contract_address(transaction['from'], transaction['nonce'])
)
)
def serialize_full_transaction(transaction, block, transaction_index,
is_pending):
if is_pending:
block_number = None
block_hash = None
transaction_index = None
else:
block_number = block['number']
block_hash = block['hash']
serialized_transaction = pipe(
transaction, partial(assoc, key='block_number', value=block_number),
partial(assoc, key='block_hash', value=block_hash),
partial(assoc, key='transaction_index', value=transaction_index),
partial(assoc, key='type',
value=extract_transaction_type(transaction)))
if 'gas_price' in transaction:
return serialized_transaction
else:
# TODO: Sometime in 2022 the inclusion of gas_price may be removed from dynamic fee
# transactions and we can get rid of this behavior.
# https://github.com/ethereum/execution-specs/pull/251
gas_price = (transaction['max_fee_per_gas'] if is_pending else
calculate_effective_gas_price(transaction, block))
return assoc(serialized_transaction, 'gas_price', gas_price)
def _normalize_pending_transaction(pending_transaction):
"""
Add the transaction type and, if a dynamic fee transaction, add gas_price =
max_fee_per_gas as highlighted in the execution-specs link below.
"""
_type = extract_transaction_type(pending_transaction)
pending_transaction = assoc(pending_transaction, 'type', _type)
# TODO: Sometime in 2022 the inclusion of gas_price may be removed from dynamic fee
# transactions and we can get rid of this behavior.
# https://github.com/ethereum/execution-specs/pull/251
# add gas_price = max_fee_per_gas to pending dynamic fee transactions
if _type == '0x2':
pending_transaction = assoc(pending_transaction, 'gas_price',
pending_transaction['max_fee_per_gas'])
return pending_transaction
def serialize_receipt(receipt, transaction, block, transaction_index,
is_pending):
if is_pending:
block_number = None
block_hash = None
transaction_index = None
else:
block_number = block['number']
block_hash = block['hash']
return pipe(
receipt, partial(assoc, key='block_number', value=block_number),
partial(assoc, key='block_hash', value=block_hash),
partial(assoc, key='transaction_index', value=transaction_index),
partial(assoc, key='state_root', value=b'\x00'),
partial(assoc,
key='effective_gas_price',
value=(calculate_effective_gas_price(transaction, block))),
partial(assoc, key='type',
value=extract_transaction_type(transaction)))