def create_frontier_header_from_parent(parent_header, **header_params):
if 'difficulty' not in header_params:
timestamp = header_params.get('timestamp', parent_header.timestamp + 1)
header_params['difficulty'] = compute_frontier_difficulty(
parent_header,
timestamp,
)
if 'gas_limit' not in header_params:
header_params['gas_limit'] = compute_gas_limit(
parent_header,
gas_limit_floor=GENESIS_GAS_LIMIT,
)
header = BlockHeader.from_parent(parent=parent_header, **header_params)
return header
def create_frontier_header_from_parent(parent_header, **header_params):
if 'difficulty' not in header_params:
# Use setdefault to ensure the new header has the same timestamp we use to calculate its
# difficulty.
header_params.setdefault('timestamp', parent_header.timestamp + 1)
header_params['difficulty'] = compute_frontier_difficulty(
parent_header,
header_params['timestamp'],
)
if 'gas_limit' not in header_params:
header_params['gas_limit'] = compute_gas_limit(
parent_header,
gas_limit_floor=GENESIS_GAS_LIMIT,
)
header = BlockHeader.from_parent(parent=parent_header, **header_params)
return header
def create_frontier_header_from_parent(parent_header, **header_params):
if 'difficulty' not in header_params:
# Use setdefault to ensure the new header has the same timestamp we use to calculate its
# difficulty.
header_params.setdefault('timestamp', parent_header.timestamp + 1)
header_params['difficulty'] = compute_frontier_difficulty(
parent_header,
header_params['timestamp'],
)
if 'gas_limit' not in header_params:
header_params['gas_limit'] = compute_gas_limit(
parent_header,
gas_limit_floor=GENESIS_GAS_LIMIT,
)
header = BlockHeader.from_parent(parent=parent_header, **header_params)
return header