libra-client-sdk-java

libra-client-sdk-java is the official Libra Client SDK for the Java programming language.

Overview of SDK's Packages

org.libra

SPEC = specification LIP-X = Libra Improvement Protocol

• jsonrpc: libra JSON-RPC APIs client. SPEC
• jsonrpctypes: generated code, JSON-RPC API response data object classes generated from protobuf definition.
• stdlib: generated code, move stdlib script utils for constructing transaction script playload.
• types: generated code, Libra on-chain data structure types. Mostly generated code with small extension code for attaching handy functions to generated types.
• utils: utility functions, account address utils, currency code, hashing, hex encoding / decoding, transaction utils.
• AccountIdentifier & IntentIdentifier: encoding & decoding Libra Account Identifier and Intent URL. LIP-5
• LibraClient: interface of JSON-RPC client.
• LibraException: root exception of all checked exceptions defined in SDK.
• PrivateKey: abstraction for hiding private key details, implement this interface for plugin your customized private key signing logic.
• Signer: sign transaction logic.
• Testnet: Testnet utility, minting coins, create Testnet client, chain id, Testnet JSON-RPC URL.
• TransactionMetadata: utils for creating peer to peer transaction metadata. LIP-4

Examples

You can find all of the example code under the src/test/java/org/libra/examples directory:

• Create Child VASP Account
• All Types Peer To Peer Transfer
• Intent Identifier
• Refund

Download

Gradle

implementation 'org.libra:libra-client-sdk-java:0.1.0'

Maven

<dependency>
  <groupId>org.libra</groupId>
  <artifactId>libra-client-sdk-java</artifactId>
  <version>0.1.0</version>
</dependency>

Download Jars on Maven

Development

System Requirements

• gradle
• JDK 8+

Build

gradle build

Jar file location: build/libs/libra-client-sdk-java.jar

Test

gradle test

Upgrade to latest libra testnet release

// reset libra submodule to testnet branch, re-generate stdlib and lcs type classes
gradle gen

// generate jsonrpc types from protobuf definition
gradle generateProto

// confirm everything works
gradle test

License

Apache License V2

Contributing

CONTRIBUTING

Features, Roadmap and Development Plan

CHECKLIST