added support files for hashing. Credit to https://github.com/iexbase…

…/tron-api

updated readme to come soon

composer.json

@@ -3,6 +3,7 @@
     "description": "Library for interacting with the Tron blockchain through Tron-Grid",
     "type": "library",
     "require": {
+        "ext-bcmath": "*",
         "guzzlehttp/guzzle": "^6.3"
     },
     "require-dev": {

src/Support/Base58.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace mattvb91\TronTrx\Support;
+
+/**
+ * @codeCoverageIgnore
+ */
+class Base58
+{
+    const AVAILABLE_CHARS = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz';
+
+    public static function encode($num, $length = 58): string
+    {
+        return Crypto::dec2base($num, $length, self::AVAILABLE_CHARS);
+    }
+
+    public static function decode(string $addr, int $length = 58): string
+    {
+        return Crypto::base2dec($addr, $length, self::AVAILABLE_CHARS);
+    }
+}

src/Support/Base58Check.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace mattvb91\TronTrx\Support;
+
+/**
+ * @codeCoverageIgnore
+ */
+class Base58Check
+{
+    /**
+     * Encode Base58Check
+     *
+     * @param string $string
+     * @param int $prefix
+     * @param bool $compressed
+     * @return string
+     */
+    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;
+    }
+
+    /**
+     * Decoding from Base58Check
+     *
+     * @param string $string
+     * @param int $removeLeadingBytes
+     * @param int $removeTrailingBytes
+     * @param bool $removeCompression
+     * @return bool|string
+     */
+    public static function decode(string $string, int $removeLeadingBytes = 1, int $removeTrailingBytes = 4, bool $removeCompression = true)
+    {
+        $string = bin2hex(Crypto::bc2bin(Base58::decode($string)));
+
+        //If end bytes: Network type
+        if ($removeLeadingBytes) {
+            $string = substr($string, $removeLeadingBytes * 2);
+        }
+
+        //If the final bytes: Checksum
+        if ($removeTrailingBytes) {
+            $string = substr($string, 0, -($removeTrailingBytes * 2));
+        }
+
+        //If end bytes: compressed byte
+        if ($removeCompression) {
+            $string = substr($string, 0, -2);
+        }
+
+        return $string;
+    }
+}