Kvazar Crawler Engine that works with official Kevacoin API without node installation
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3 years ago
<?php
class Base58Check {
public static function encode(string $string, int $prefix = 128, bool $compressed = true) {
$string = hex2bin($string);
if ($prefix) {
$string = chr($prefix) . $string;
}
if ($compressed) {
$string .= chr(0x01);
}
$string = $string . substr(Hash::SHA256(Hash::SHA256($string)), 0, 4);
$base58 = Base58::encode(Crypto::bin2bc($string));
for ($i = 0; $i < strlen($string); $i++) {
if ($string[$i] != '\x00') {
break;
}
$base58 = '1' . $base58;
}
return $base58;
}
public static function decode(string $string, int $removeLeadingBytes = 1, int $removeTrailingBytes = 4, bool $removeCompression = true) {
$string = bin2hex(Crypto::bc2bin(Base58::decode($string)));
if ($removeLeadingBytes) {
$string = substr($string, $removeLeadingBytes * 2);
}
if ($removeTrailingBytes) {
$string = substr($string, 0, -($removeTrailingBytes * 2));
}
if ($removeCompression) {
$string = substr($string, 0, -2);
}
return $string;
}
}