What is @ethersproject/rlp?
@ethersproject/rlp is a package from the ethers.js library that provides functionality for encoding and decoding data using Recursive Length Prefix (RLP) encoding, which is commonly used in Ethereum for serializing data.
What are @ethersproject/rlp's main functionalities?
RLP Encoding
This feature allows you to encode an array of data into RLP format. In this example, the array ['hello', 'world'] is encoded into its RLP representation.
const { RLP } = require('@ethersproject/rlp');
const encoded = RLP.encode(['hello', 'world']);
console.log(encoded);
RLP Decoding
This feature allows you to decode RLP-encoded data back into its original form. In this example, the RLP-encoded string '0xc68468656c6c6f83676f6f64' is decoded back into the array ['hello', 'world'].
const { RLP } = require('@ethersproject/rlp');
const encoded = '0xc68468656c6c6f83676f6f64';
const decoded = RLP.decode(encoded);
console.log(decoded);
Other packages similar to @ethersproject/rlp
rlp
The 'rlp' package provides similar functionality for encoding and decoding data using RLP. It is a standalone package and is widely used in the Ethereum ecosystem. Compared to @ethersproject/rlp, it is more focused on RLP encoding/decoding and does not come with the additional utilities provided by ethers.js.
ethereumjs-util
The 'ethereumjs-util' package is a utility library for Ethereum, which includes RLP encoding and decoding among many other features. It is more comprehensive than @ethersproject/rlp, offering a wide range of utilities for Ethereum development, but it may be more complex to use if you only need RLP functionality.
Recursive-Length Prefix Coder
This sub-module is part of the ethers project.
It contains functions for encoding and decoding RLP data.
For more information, see the documentation.
Importing
Most users will prefer to use the umbrella package,
but for those with more specific needs, individual components can be imported.
const {
encode,
decode
} = require("@ethersproject/rlp");
License
MIT License