def get_payload_codec(cls, type_id: int) -> Type[TransactionDecoderAPI]:
if type_id in cls.decoders:
return cls.decoders[type_id]
elif type_id in VALID_TRANSACTION_TYPES:
raise UnrecognizedTransactionType(type_id, "Unknown transaction type")
else:
raise ValidationError(f"Cannot build typed transaction with {hex(type_id)} >= 0x80")
def get_payload_codec(cls, type_id: int) -> Type[ReceiptDecoderAPI]:
if type_id in TYPED_RECEIPT_BODY_CODECS:
return TYPED_RECEIPT_BODY_CODECS[type_id]
elif type_id in VALID_TRANSACTION_TYPES:
raise UnrecognizedTransactionType(type_id, "Unknown receipt type")
else:
raise ValidationError(
f"Cannot build typed receipt with {hex(type_id)} >= 0x80")
def deserialize(cls, encoded: bytes) -> SignedTransactionAPI:
if len(encoded) == 0:
raise DeserializationError(
"Encoded transaction was empty, which makes it invalid",
encoded,
)
if isinstance(encoded, bytes):
transaction_type = to_int(encoded[0])
if transaction_type == 1:
raise UnrecognizedTransactionType(transaction_type,
"TODO: Implement EIP-2930")
elif transaction_type in range(0, 0x80):
raise UnrecognizedTransactionType(transaction_type,
"Unknown transaction type")
else:
raise DeserializationError(
f"Typed Transaction must start with 0-0x7f, but got {hex(transaction_type)}",
encoded,
)
else:
return cls.legacy_signed.deserialize(encoded)