wallet tron transactions

sdk/Wallet/TokenAddress.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace Sdk\Wallet;
+
+use IEXBase\TronAPI\Support\Base58Check;
+use IEXBase\TronAPI\Support\Hash;
+use IEXBase\TronAPI\TronAwareTrait;
+
+class TokenAddress
+{
+    use TronAwareTrait;
+
+    public $privateKey = '';
+    public $address = '';
+    public $hexAddress = '';
+
+    const ADDRESS_SIZE = 34;
+    const ADDRESS_PREFIX = "41";
+    const ADDRESS_PREFIX_BYTE = 0x41;
+
+    public function __construct(string $address = '', string $privateKey = '', string $hexAddress = '')
+    {
+        if (strlen($address) === 0) {
+            throw new \InvalidArgumentException('Address can not be empty');
+        }
+
+        if (!empty($address) && empty($hexAddress)) $hexAddress = $this->address2HexString($address);
+        if (!empty($hexAddress) && empty($address)) $address = $this->hexString2Address($hexAddress);
+
+        $this->privateKey = $privateKey;
+        $this->address = $address;
+        $this->hexAddress = $hexAddress;
+    }
+
+    /**
+     * Dont rely on this. Always use Wallet::validateAddress to double check
+     * against tronGrid.
+     *
+     * @return bool
+     */
+    public function isValid(): bool
+    {
+        if (strlen($this->address) !== self::ADDRESS_SIZE) {
+            return false;
+        }
+
+        $address = Base58Check::decode($this->address, false, 0, false);
+        $utf8 = hex2bin($address);
+
+        if (strlen($utf8) !== 25) {
+            return false;
+        }
+
+        if (strpos($utf8, chr(self::ADDRESS_PREFIX_BYTE)) !== 0) {
+            return false;
+        }
+
+        $checkSum = substr($utf8, 21);
+        $address = substr($utf8, 0, 21);
+
+        $hash0 = Hash::SHA256($address);
+        $hash1 = Hash::SHA256($hash0);
+        $checkSum1 = substr($hash1, 0, 4);
+
+        if ($checkSum === $checkSum1) {
+            return true;
+        }
+
+        return false;
+    }
+
+}