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         public CNovacoinAddress(string strNovacoinAddress)
  50         {
  51             addrData = AddressTools.Base58DecodeCheck(strNovacoinAddress).ToList();
  52
  53             nVersion = addrData[0];
  54             addrData.RemoveAt(0);
  55         }
  56
  57         /// <summary>
  58         /// Initialize new instance of SCRIPT_ADDRESS
  59         /// </summary>
  60         /// <param name="keyID">CScriptID instance</param>
  61         public CNovacoinAddress(CScriptID scriptID)
  62         {
  63             nVersion = (byte)AddrType.SCRIPT_ADDRESS;
  64             addrData = new List<byte>(scriptID.hashBytes);
  65         }
  66
  67         /// <summary>
  68         /// Basic sanity checking
  69         /// </summary>
  70         /// <returns></returns>
  71         public bool IsValid
  72         {
  73             get
  74             {
  75                 // Address data is normally generated by RIPEMD-160 hash function
  76                 int nExpectedSize = 20;
  77
  78                 switch ((AddrType)nVersion)
  79                 {
  80                     case AddrType.PUBKEY_ADDRESS:
  81                         nExpectedSize = 20; // Hash of public key
  82                         break;
  83                     case AddrType.SCRIPT_ADDRESS:
  84                         nExpectedSize = 20; // Hash of CScript
  85                         break;
  86                     case AddrType.PUBKEY_ADDRESS_TEST:
  87                         nExpectedSize = 20;
  88                         break;
  89                     case AddrType.SCRIPT_ADDRESS_TEST:
  90                         nExpectedSize = 20;
  91                         break;
  92                     default:
  93                         return false;
  94                 }
  95
  96                 return addrData.Count == nExpectedSize;
  97             }
  98         }
  99
 100         /// <summary>
 101         /// Generate base58 serialized representation of novacoin address
 102         /// </summary>
 103         /// <returns>Base58(data + checksum)</returns>
 104         public override string ToString()
 105         {
 106             List<byte> r = new List<byte>();
 107
 108             r.Add(nVersion);
 109             r.AddRange(addrData);
 110
 111             return AddressTools.Base58EncodeCheck(r);
 112         }
 113     }
 114 }