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rlp_recursive_length_prefix_encoding_decoding_with_serializable_schema.py

python

Encodes and decodes data structures using the Recursive Length Prefix (RLP) serializ

15d ago27 linesethereum/py-rlp
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rlp_recursive_length_prefix_encoding_decoding_with_serializable_schema.py
1import rlp
2
3# Basic encoding of lists and strings
4encoded = rlp.encode(['luc', 'jules', ['eric', 'vincenzo']])
5print(f"Encoded: {encoded.hex()}")
6
7# Decoding back to the original structure
8decoded = rlp.decode(encoded)
9print(f"Decoded: {decoded}")
10
11# Using a Serializable object to define a schema
12class Person(rlp.Serializable):
13    fields = [
14        ('name', rlp.sedes.text),
15        ('age', rlp.sedes.big_endian_int)
16    ]
17
18# Create an instance
19p1 = Person('Alice', 30)
20
21# Serialize the object
22encoded_person = rlp.encode(p1)
23print(f"Encoded Person: {encoded_person.hex()}")
24
25# Deserialize the object
26decoded_person = rlp.decode(encoded_person, Person)
27print(f"Decoded Person: {decoded_person.name}, {decoded_person.age}")