PHP code example of amashukov / eip1559-tx-signer-php

1. Go to this page and download the library: Download amashukov/eip1559-tx-signer-php 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/ */

amashukov / eip1559-tx-signer-php example snippets


use Amashukov\Eip1559TxSigner\Eip1559Signer;

$signer = new Eip1559Signer('0x4f3edf983ac636a65a842ce7c78d9aa706d3b113bce9c46f30d7d21715b23b1d', chainId: 1);

// Sender address derived from the private key:
echo $signer->address();   // 0x90f8bf6a479f320ead074411a4b0e7944ea8c9c1

$rawTx = $signer->sign(
    to: '0x000000000000000000000000000000000000dEaD',
    valueWei: '0',                            // decimal-string wei (bigint-safe)
    data: '0xf3fef3a3…',                      // calldata, 0x-prefixed
    nonce: 5,
    gasLimit: 100_000,
    maxFeePerGas: '30000000000',              // 30 gwei
    maxPriorityFeePerGas: '1500000000',       // 1.5 gwei
);
// 0x02f8b1…  — broadcast via eth_sendRawTransaction


use Amashukov\Eip1559TxSigner\Eip1559SignerInterface;

public function __construct(private Eip1559SignerInterface $signer) {}