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gasless

1.0.3
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  • License MIT

Gasless Dai transfers for browser & Node.js

Package Exports

  • gasless

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (gasless) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

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.