Novacoin/CNovacoinAddress.cs

   1 \feffusing System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5 using System.Threading.Tasks;
   6
   7 namespace Novacoin
   8 {
   9     /// <summary>
  10     /// Available address types
  11     /// </summary>
  12     public enum AddrType
  13     {
  14         PUBKEY_ADDRESS = 8,
  15         SCRIPT_ADDRESS = 20,
  16         PUBKEY_ADDRESS_TEST = 111,
  17         SCRIPT_ADDRESS_TEST = 196
  18     };
  19
  20     /// <summary>
  21     /// Represents novacoin address
  22     /// </summary>
  23     public class CNovacoinAddress
  24     {
  25         private byte nVersion;
  26         private List<byte> addrData;
  27
  28         /// <summary>
  29         /// Initialize with custom data and version
  30         /// </summary>
  31         /// <param name="nVersionIn"></param>
  32         /// <param name="addrDataIn"></param>
  33         public CNovacoinAddress(byte nVersionIn, IEnumerable<byte> addrDataIn)
  34         {
  35             nVersion = nVersionIn;
  36             addrData = addrDataIn.ToList();
  37         }
  38
  39         /// <summary>
  40         /// Initialize new instance of PUBKEY_ADDRESS
  41         /// </summary>
  42         /// <param name="keyID">CKeyID instance</param>
  43         public CNovacoinAddress(CKeyID keyID)
  44         {
  45             nVersion = (byte)AddrType.PUBKEY_ADDRESS;
  46             addrData = new List<byte>(keyID.hashBytes);
  47         }
  48
  49         /// <summary>
  50         /// Initialize new instance of SCRIPT_ADDRESS
  51         /// </summary>
  52         /// <param name="keyID">CScriptID instance</param>
  53         public CNovacoinAddress(CScriptID scriptID)
  54         {
  55             nVersion = (byte)AddrType.SCRIPT_ADDRESS;
  56             addrData = new List<byte>(scriptID.hashBytes);
  57         }
  58
  59         /// <summary>
  60         /// Basic sanity checking
  61         /// </summary>
  62         /// <returns></returns>
  63         public bool IsValid()
  64         {
  65             // Address data is normally generated by RIPEMD-160 hash function
  66             int nExpectedSize = 20;
  67
  68             switch ((AddrType) nVersion)
  69             {
  70                 case AddrType.PUBKEY_ADDRESS:
  71                     nExpectedSize = 20; // Hash of public key
  72                     break;
  73                 case AddrType.SCRIPT_ADDRESS:
  74                     nExpectedSize = 20; // Hash of CScript
  75                     break;
  76                 case AddrType.PUBKEY_ADDRESS_TEST:
  77                     nExpectedSize = 20;
  78                     break;
  79                 case AddrType.SCRIPT_ADDRESS_TEST:
  80                     nExpectedSize = 20;
  81                     break;
  82                 default:
  83                     return false;
  84             }
  85
  86             return addrData.Count == nExpectedSize;
  87         }
  88
  89         /// <summary>
  90         /// Generate base58 serialized representation of novacoin address
  91         /// </summary>
  92         /// <returns>Base58(data + checksum)</returns>
  93         public override string ToString()
  94         {
  95             List<byte> r = new List<byte>();
  96
  97             r.Add(nVersion);
  98             r.AddRange(addrData);
  99
 100             return AddressTools.Base58EncodeCheck(r.ToArray());
 101         }
 102     }
 103 }