PHP code example of hxfjsw / merkletreephp

1. Go to this page and download the library: Download hxfjsw/merkletreephp 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/ */

hxfjsw / merkletreephp example snippets



use MerkleTreePhp\Buffer;
use MerkleTreePhp\MerkleTree;
use MerkleTreePhp\Options;
use Web3\Utils;

deb4dff122697b0'
];

$leafNodes = array_map(fn($address) => Utils::sha3($address), $whitelistAddress);

$options = new Options();
$options->sortPairs = true;

$hashFn = fn(Buffer $bf) => Buffer::fromHex(Utils::sha3('0x' . $bf->toHex()));

$merkleTree = new MerkleTree($leafNodes, $hashFn, $options);

$root = $merkleTree->getHexRoot();
echo "root:" . $root . PHP_EOL;

$leaf = $whitelistAddress[0];
echo "leaf:" . $leaf . PHP_EOL;

$proof = $merkleTree->getHexProof(Utils::sha3($leaf));
echo "proof:" . json_encode($proof) . PHP_EOL;