Recursive Length Prefix encoding written in Swift

Related tags

Parsing macos swift encoding ios ethereum rlp
Overview

RLPSwift

Swift 5.3 Version Travis CI codecov.io

This is a basic Swift implementation of Recursive Length Prefix Encoding, a serialisation method for encoding arbitrarily structured binary data (byte arrays).

You can read more about it here:

Interface

// Encoding Data
RLP.encode(_ data: Data) -> Data

// Encoding String
RLP.encode(_ string: String, with encoding: String.Encoding = .ascii) throws -> Data

// Encoding nested array of Data
RLP.encode(nestedArrayOfData array: [Any]) throws -> Data

// Encoding nested array of String
RLP.encode(nestedArrayOfString array: [Any], encodeStringsWith encoding: String.Encoding = .ascii) throws -> Data

Installation

Cocoapods

RLPSwift is available through CocoaPods.

To install RLPSwift via cocoapods, add the following line to your Podfile:

pod 'RLPSwift'

Then run pod install.

Swift Package Manager

RLPSwift is available through Swift Package Manager.

Once you have your Swift package set up, adding RLPSwift as a dependency is as easy as adding it to the dependencies value of your Package.swift.

dependencies: [
  .package(url: "https://github.com/bitfwdcommunity/RLPSwift.git", from: "0.0.4")
]

License

RLPSwift is released under an MIT license. See LICENSE for more information.

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Comments
  • Swift update

    Swift update

    This was to update the project to Swift 5.x. I removed redundant modifiers and deprecated method names in the project. It built and passed all the tests locally.

    opened by jessecanderson 3
  • Manual Installation Instructions Extensions missing

    Manual Installation Instructions Extensions missing

    Manual installation instructions specify that in order to install developers must

    Download and drop RLP.swift inside your project.

    but it's also required to import the UInt32+Extensions.swift file

    I also suggest to rename UInt32+Extensions.swift to UInt32+byteArrayLittleEndian.swift

    opened by bpolania 2
  • Is the rule of the RLP the same as that of Ethereum?

    Is the rule of the RLP the same as that of Ethereum?

    Our project want to use Ethereum RLP,But it cannot be used in iOS,So I want to write a code by reference to Ethereum.And then I found you. Anyway,thank you very much

    opened by daiyangyang945 1
  • Add decoding method

    Add decoding method

    The algorithm to decode an be found here on ethereum/wiki/RLP, they also have an implementation example in js.

    Suggestion for the function signature: func decode(_ data: Data) throws -> Data

    good first issue feature hacktoberfest 
    opened by alephao 0
Releases(v0.0.4)

  • v0.0.4(Oct 3, 2019)

  • v0.0.3(Feb 3, 2018)

    Changes

    • Now all encoding methods returns Data
    • Now the user can specify the character encoding scheme when encoding String and nested arrays of String
    • Enhanced RLP.Error localized descriptions
    Source code(tar.gz)
    Source code(zip)

  • v0.0.2(Feb 3, 2018)

  • v0.0.1(Jan 31, 2018)

    RLP Encoding for strings and nested string arrays

    Features

    • Encode strings using RLP.encode("my string")
    • Encode nested string arrays using RLP.encode(["dog", ["cat", "lionr"], "wolf"])
    Source code(tar.gz)
    Source code(zip)
Owner
bitfwd community
Crypto Community Ventures Network
bitfwd community
GitHub
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