erc20-contract-js

Simple JS library used to manipulate with ERC-20 token contracts

Install

NodeJS

yarn add erc20-contract-js

or

npm install erc20-contract-js

Browser (from v1.3.0)

<!-- Unpkg CDN --> <script src="https://unpkg.com/erc20-contract-js"></script>

or

<!-- Install the library via NPM/Yarn, then request it locally --> <script src="/node_modules/dist/erc20-contract-js.min.js"></script>

Example

const Web3 = require('web3'); const ERC20Contract = require('erc20-contract-js'); // Web3 instance const web3 = new Web3( new Web3.providers.HttpProvider('https://mainnet.infura.io') ); const walletAddr = '0x8d12a197cb00d4747a1fe03395095ce2a5cc6819', // EtherDelta contract address contractAddr = '0x86fa049857e0209aa7d9e616f7eb3b3b78ecfdb0'; // EOS contract address // Create new instance of ERC20Contract const erc20Contract = new ERC20Contract(web3, contractAddr); // Get balance of erc20Contract.balanceOf(walletAddr).call() .then(balance => console.log(`Balance: ${balance}`)); // Get total supply erc20Contract.totalSupply().call() .then(totalBalance => console.log(`Total supply: ${totalBalance}`)); // Get allowance erc20Contract.allowance(walletAddr, walletAddr).call() .then(allowance => console.log(`Allowance: ${allowance}`));

Testing

$ yarn test

or

$ npm test

Contribute

Contributions to the package are always welcome!

• Report any bugs or issues you find on the issue tracker.
• You can grab the source code at the package's Git repository.

Donation

Give me a Star if you like it. 😊

License

All contents of this package are licensed under the MIT license.