def _from_raw_without_verifying(cls, raw):
buffer = BytesIO(raw)
if read_uint32(buffer) != cls.VERSION:
raise RawFormatError("version number mismatch")
previous_block_rev = BlockRev.from_id(read_bytes(buffer, 32))
timestamp = read_uint32(buffer)
operations_limit = read_uint32(buffer)
operations_ids = [read_bytes(buffer, 32) for _ in range(read_uint32(buffer))]
difficulty = read_uint32(buffer)
padding = read_uint32(buffer)
checksum = read_bytes(buffer, 32)
public_key_der = read_sized_bytes(buffer)
signature = read_sized_bytes(buffer)
if len(buffer.read()) > 0:
raise RawFormatError("raw input too long")
if int.from_bytes(previous_block_rev.id, 'big') == 0:
previous_block_rev = BlockRev()
block = cls(previous_block_rev, timestamp, operations_ids)
block.operations_limit = operations_limit
block.difficulty = difficulty
block.padding = padding
block.__checksum = checksum
block.sign(PublicKey(public_key_der), signature)
return block
def from_raw_with_operations(cls, raw):
buffer = BytesIO(raw)
operations = [pmpi.operation.Operation.from_raw(read_sized_bytes(buffer)) for _ in range(read_uint32(buffer))]
return cls.__from_raw_and_operations(buffer.read(), operations)