ConvertHexToBase58Check.cs

        static string ConvertHexToBase58Check(string hexAddress)
        {
            byte[] addressBytes = HexToBytes(hexAddress);

            // 計算雙重 SHA-256 校驗碼
            using (SHA256 sha256 = SHA256.Create())
            {
                byte[] hash1 = sha256.ComputeHash(addressBytes);
                byte[] hash2 = sha256.ComputeHash(hash1);

                // 取前 4 位作為校驗碼
                byte[] checksum = hash2.Take(4).ToArray();

                // 拼接地址與校驗碼
                byte[] addressWithChecksum = addressBytes.Concat(checksum).ToArray();

                // 轉換為 Base58
                return EncodeBase58(addressWithChecksum);
            }
        }

        static byte[] HexToBytes(string hex)
        {
            return Enumerable.Range(0, hex.Length / 2)
                             .Select(x => Convert.ToByte(hex.Substring(x * 2, 2), 16))
                             .ToArray();
        }
        
        
        

parse.raw_data_hex.cs

            var contractTransResult = GetTransactionByTXId("70cfc24c7fd731e1ea523268a3c9fdf738fe8ffa6ed410f520e1a32631d7b33e");

            int methodOffset = contractTransResult.raw_data_hex.IndexOf("a9059cbb");
            if (methodOffset == -1)
            {
                Console.WriteLine("這不是 TRC20 轉帳交易！");
                return;
            }

            var rawDataHex = contractTransResult.raw_data_hex;


            // 顯示結果 原始 rawdata_hex
            Console.WriteLine(rawDataHex);
            Console.WriteLine("-");


            //From Address
            int fromIndex = rawDataHex.IndexOf("0a15"); // "0a15" 是 owner_address 的標誌
            if (fromIndex == -1)
            {
                Console.WriteLine("找不到 owner_address");
                return;
            }

            string fromHex = rawDataHex.Substring(fromIndex + 4, 42);

            var fromAddress = ConvertHexToBase58Check(fromHex);
            Console.WriteLine("接收端地址: " + fromAddress);

            //To Address

            int toIndex = rawDataHex.IndexOf("a9059cbb");
            if (toIndex == -1)
            {
                Console.WriteLine("找不到 to 地址");
                return;
            }

            string toHex = rawDataHex.Substring(toIndex + 8 + 24, 40);

            string toAddress = ConvertHexToBase58Check("41" + toHex);
            Console.WriteLine("接收端地址: " + toAddress);


            //Contract Address

            int contractIndex = fromIndex + 4 + 42 + 4;  // 4 是 TRON Protobuf 格式的 offset
            string contractHex = rawDataHex.Substring(contractIndex, 42);
        
            string contractAddress = ConvertHexToBase58Check(contractHex);
            Console.WriteLine("合約地址: " + contractAddress);


            ///金額
            int amountStartIndex = methodOffset + 8 + 64; // 64 = 32 bytes (To Address)
            string amountHex = rawDataHex.Substring(amountStartIndex, 64); // 擷取 32 個 hex 字符 (16 bytes)

            BigInteger amount = BigInteger.Parse(amountHex, NumberStyles.HexNumber);

            Console.WriteLine("轉帳金額 (Amount): " + amount);