Welcome to Kardia Javascript SDK

Javascript library to interact with Kardia Chain.

Install

npm

  npm install kardia-js-sdk

yarn

  yarn add kardia-js-sdk

From source

  npm install https://github.com/kardiachain/kardia-js-sdk

Usage

es2015/nodejs

var KardiaClient = require('kardia-js-sdk').default;
var kardiaClient = new KardiaClient('http://<host>:port');

// transaction module
var transaction = kardiaClient.transaction;

// account module
var account = kardiaClient.account;

// Kardia chain module
var account = kardiaClient.account;

// Kardia SMC module
var contract = kardiaClient.contract;

es6

import KardiaClient from 'kardia-js-sdk';
const kardiaClient = new KardiaClient({ endpoint: 'http://<host>:port' });

// transaction module
const transaction = kardiaClient.transaction;

// account module
const account = kardiaClient.account;

// Kardia chain module
const account = kardiaClient.account;

// Kardia SMC module
const contract = kardiaClient.contract;

Example

Get account balance

import KardiaClient from 'kardia-js-sdk';
const kardiaClient = new KardiaClient({ endpoint: 'http://<host>:port' });

const latestBalance = await kardiaClient.account.getBalance(ADDRESS);

const balanceAtHeight = await kardiaClient.account.getBalance(ADDRESS, {blockHeight: 1});

const balanceAtHash = await kardiaClient.account.getBalance(ADDRESS, {blockHash: BLOCK_HASH});

Create a transaction

import KardiaClient from 'kardia-js-sdk';
const kardiaClient = new KardiaClient({ endpoint: 'http://<host>:port' });

const nonce = await kardiaClient.account.getNonce(ADDRESS);

const txData = {
  receiver: RECEIVING_ADDRESS,
  nonce,
  gas: 29000, // Minumum Gas Price = 29000, Max Gas Price Max = 20000000
  gasPrice: 1*10**9, // Minimum Gas Price = 1OXY
  amount: '1000000000000000000' // Value in HYDRO (1 KAI = 1*10^18 HYDRO = 1*10^9 OXY)
};

const txHash = await kardiaClient.transaction.sendTransaction(
  txData,
  PRIVATE_KEY,
);

Development

Source

• Source at src folder

Test

• This project is using jest framework
• Run test: npm run test if you have a local node running or npm run test-public to test with public dev node

Build

• Run npm run build to build
• CJS, ESModules, and UMD module formats are supported.

Release guideline

1. Make sure pass all test case
2. npm run build to create es5 version to support node and older browser. For more detail check here
3. Pump version by npm version https://docs.npmjs.com/cli/version
4. Create pull request and wait for review and chain ready.

Version guideline

• Syntax: https://docs.npmjs.com/cli/version
• Rule:
  • Prerelease: Development version
  • Patch: Improvement, bug fixing, P2, P3 features
  • Minor: alpha testnet version (version 1), beta testnet version (version 2)
  • Major: Launch main net or big refactor.