PHP code example of kornrunner / ethereum-util

1. Go to this page and download the library: Download kornrunner/ethereum-util library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

kornrunner / ethereum-util example snippets


use kornrunner\Eth;

$hash = Eth::hashPersonalMessage('0xf20f20d357419f696f69e6ff05bc6566b1e6d38814ce4f489d35711e2fd2c481');
// 58a2db04c169254495a55b6dd5609a4902678ec29eac46df1e95994cdbeaebbb


use kornrunner\Eth;

$result = Eth::signPersonalMessage('Hello, Ethereum!', $privateKey);


use kornrunner\Eth;

$publicKey = Eth::ecRecover(
    '98d22cdb65bbf8a392180cd2ee892b0a971c47e7d29daf31a3286d006b9db4dc',
    'f67118680df5993e8efca4d3ecc4172ca4ac5e3e007ea774293e373864809703',
    '47427f3633371c1a30abbb2b717dbd78ef63d5b19b5a951f9d681cccdd520320',
    0
);


use kornrunner\Eth;

$isValid = Eth::ecVerify(
    '98d22cdb65bbf8a392180cd2ee892b0a971c47e7d29daf31a3286d006b9db4dc', // message hash
    'f67118680df5993e8efca4d3ecc4172ca4ac5e3e007ea774293e373864809703', // r component
    '47427f3633371c1a30abbb2b717dbd78ef63d5b19b5a951f9d681cccdd520320', // s component
    0, // recovery id (v)
    '04cf60398ae73fd947ffe120fba68947ec741fe696438d68a2e52caca139613ff94f220cd0d3e886f95aa226f2ad2b86be1dd5cda2813fd505d1f6a8f552904864' // public key
);
// true