Gasless.js

Send DAI without ETH in your app

Features

• Gasless DAI transfers via the Mosendo API
• Browser & Node.js support
• Injected web3 provider (e.g. Metamask) support
• EIP712 for readable user signed messages

Getting Started

npm i --save gasless

Usage

Injected Web3 Provider (e.g. Metamask)

import Gasless from 'gasless';

(async ()=>{

    await window.ethereum.enable();
    const gasless = new Gasless(window.web3.currentProvider);
    const gasPrice = await window.web3.eth.getGasPrice();
    const daiFee = await gasless.getFee(gasPrice);
    const from = window.web3.eth.defaultAccount;
    const txHash = await gasless.send(
        from,     // Sender address                   (string)
        to,       // Recipient address                (string)
        value,    // base unit DAI amount             (string)
        daiFee    // Base unit DAI fee.               (string)
        gasPrice  // Tx gas price in Wei.             (string)
    );

})()

Custom Web3 Provider

Please make sure that your custom provider supports EIP712 signTypedData_v3.

Just replace window.web3.currentProvider in the example above with your custom provider.