Exemple #1
0
 /// <summary>
 /// Method Parse receives a big-endian hex string and stores as a UInt160 or UInt256 little-endian byte array
 /// Example: Parse("0xa400ff00ff00ff00ff00ff00ff00ff00ff00ff01") should create UInt160 01ff00ff00ff00ff00ff00ff00ff00ff00ff00a4
 /// </summary>
 public static UIntBase Parse(string s)
 {
     if (s.Length == 40 || s.Length == 42)
     {
         return(UInt160.Parse(s));
     }
     else if (s.Length == 64 || s.Length == 66)
     {
         return(NEO_UInt256.Parse(s));
     }
     else
     {
         throw new FormatException();
     }
 }
Exemple #2
0
        ///// <summary>
        ///// Method ToString returns a big-endian string starting by "0x" representing the little-endian unsigned int
        ///// Example: if this is storing 20-bytes 01ff00ff00ff00ff00ff00ff00ff00ff00ff00a4, ToString() should return "0xa400ff00ff00ff00ff00ff00ff00ff00ff00ff01"
        ///// </summary>
        //public override string ToString() {
        //   return "0x" + this.ToArray().ToHexString(reverse: true);
        //}

        /// <summary>
        /// Method TryParse tries to parse a big-endian hex string and stores it as a UInt160 or UInt256 little-endian bytes array
        /// Example: TryParse("0xa400ff00ff00ff00ff00ff00ff00ff00ff00ff01", result) should create result UInt160 01ff00ff00ff00ff00ff00ff00ff00ff00ff00a4
        /// </summary>
        public static bool TryParse <T>(string s, out T result) where T : UIntBase
        {
            int size;

            if (typeof(T) == typeof(UInt160))
            {
                size = 20;
            }
            else if (typeof(T) == typeof(NEO_UInt256))
            {
                size = 32;
            }
            else if (s.Length == 40 || s.Length == 42)
            {
                size = 20;
            }
            else if (s.Length == 64 || s.Length == 66)
            {
                size = 32;
            }
            else
            {
                size = 0;
            }
            if (size == 20)
            {
                if (UInt160.TryParse(s, out UInt160 r))
                {
                    result = (T)(UIntBase)r;
                    return(true);
                }
            }
            else if (size == 32)
            {
                if (NEO_UInt256.TryParse(s, out NEO_UInt256 r))
                {
                    result = (T)(UIntBase)r;
                    return(true);
                }
            }
            result = null;
            return(false);
        }