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EOSIO SDK for Swift: ABIEOS Serialization Provider EOSIO Alpha

Software License Language C++/Swift

ABIEOS Serialization Provider is a pluggable serialization provider for EOSIO SDK for Swift.

Serialization providers are responsible for ABI-driven transaction and action serialization and deserialization between JSON and binary data representations. This particular serialization provider wraps ABIEOS, a C/C++ library that facilitates this conversion.

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  • Xcode 10 or higher
  • CocoaPods 1.5.3 or higher
  • For iOS, iOS 12+

This project relies on platform functionality only present in iOS 12+. Therefore, any project depending on ABIEOS Serialization Provider with EOSIO SDK for Swift must be an iOS 12+ project. Other serialization providers, however, can be created to support iOS 11. If your project requires iOS 11 support, or if you’d like to create a serialization provider and have questions, please reach out to us by logging an issue.


ABIEOS Serialization Provider is intended to be used in conjunction with EOSIO SDK for Swift as a provider plugin.

To use ABIEOS Serialization Provider with EOSIO SDK for Swift in your app, add the following pods to your Podfile:


target "Your Target" do
  pod "EosioSwift", "~> 0.4.0" # EOSIO SDK for Swift core library
  pod "EosioSwiftAbieos", "~> 0.4.0" # pod for this library
  # add other providers for EOSIO SDK for Swift
  pod "EosioSwiftSoftkeySignatureProvider", "~> 0.4.0" # experimental provider for development only

Then run pod install.

Now ABIEOS Serialization Provider is ready for use within EOSIO SDK for Swift according to the EOSIO SDK for Swift Basic Usage instructions.

Direct Usage

If you wish to use ABIEOS Serialization Provider directly, its public methods can be called like this:

let abieos: EosioAbieosSerializationProvider? = EosioAbieosSerializationProvider()
let hex = "1686755CA99DE8E73E1200" // some binary data
let json = "{"name": "John"}" // some JSON

let jsonToBinaryTransaction = try? abieos?.serializeTransaction(json: json)
let binaryToJsonTransaction = try? abieos?.deserializeTransaction(hex: hex)


Please refer to the generated code documentation at https://eosio.github.io/eosio-swift-abieos-serialization-provider or by cloning this repo and opening the docs/index.html file in your browser.

iOS Example App

If you’d like to see the EOSIO SDK for Swift: ABIEOS Serialization Provider in action, check out our open source iOS Example App–a working application that fetches an account’s token balance and pushes a transfer action.

Want to help?

Interested in contributing? That’s awesome! Here are some Contribution Guidelines and the Code of Conduct.




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