@astar.js dapp template

This template provide access to Astar's modules by using astar.js

Getting Started

More documentation and examples on wiki

• Install dependencies

yarn

• Start the app

yarn start

Usage

• App.tsx is the entry point of the app. It has the following code for connecting to the node:

import { ApiPromise } from '@polkadot/api';
import { WsProvider } from '@polkadot/rpc-provider';
import { options } from '@astar-network/astar-api';

async function main() {
    const provider = new WsProvider('ws://localhost:9944');
    // OR
    // const provider = new WsProvider('wss://shiden.api.onfinality.io/public-ws');
    const api = new ApiPromise(options({ provider }));
    await api.isReady;

    // Use the api
    // For example:
    console.log((await api.rpc.system.properties()).toHuman());

    process.exit(0);
}

main()

• Use api to interact with node

// query and display account data
const data = await api.query.system.account('5F98oWfz2r5rcRVnP9VCndg33DAAsky3iuoBSpaPUbgN9AJn');
console.log(data.toHuman())

Packages

• api
  • Contains necessary options to create a polkadot.js API instance
• api-derive
  • Contains utility classes and derived methods.
• types-definitions
  • Polkadot.js type definitions for Astar Network.
• types
  • Polkadot.js type definitions for Astar Network.
• sdk-core
  • core api libraries
• precomplies
  • precomplied contracts abi

How-to

Update polkadot libraries

yarn up @polkadot/api @polkadot/api-augment @polkadot/api-derive @polkadot/rpc-core @polkadot/types @polkadot/types-codec