eth-gasprice-estimator

What is this?

A library to estimate the ethereum gas price on Ethereum Transaction

Installation

• npm install eth-gasprice-estimator --save

Code usage

//For React or Other Js Framework
import {gasstationInfo} from 'eth-gasprice-estimator';

//For Nodejs
const {gasstationInfo} = require('eth-gasprice-estimator');

gasstationInfo("fastest")
.then(result=>{
    console.log("result",result);
}).catch(err=>{
    console.log("err",err);
});

Sample Ethereum Send Transaction

 const sendTransaction = async () => {

    var gasPriceResult=await gasstationInfo("fastest");

    web3.eth.sendTransaction({
        from: "0x627306090abaB3A6e1400e9345bC60c78a8BEf57",
        to: "0x086912faa7f6598d28d80c448c8d1e9dae5a4dee", 
        value: web3.toWei(1, "ether"), 
        gas: 210000,
        gasPrice:gasPriceResult,
    }, function(err, transactionHash) {
        if (err) { 
            console.log(err); 
        } else {
            console.log(transactionHash);
        }
    });

 }

How to Solve Cors Issue If Occur

 //For React or Other Js Framework 

• Add Below Meta Tag in public.Index.html

  <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">

  //For Nodejs

• Add Cors Package

`npm install cors --save`

Options

Gas station info needs one parameter to specify  transaction Speed on ethereum transaction.

• Transaction Speed Type - fast,fastest,safeLow,average.