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     public enum AddrType
  10     {
  11         PUBKEY_ADDRESS = 8,
  12         SCRIPT_ADDRESS = 20,
  13         PUBKEY_ADDRESS_TEST = 111,
  14         SCRIPT_ADDRESS_TEST = 196
  15     };
  16
  17     public class CNovacoinAddress
  18     {
  19         private byte nVersion;
  20         private List<byte> addrData;
  21
  22         public CNovacoinAddress(byte nVersionIn, IEnumerable<byte> addrDataIn)
  23         {
  24             nVersion = nVersionIn;
  25             addrData = addrDataIn.ToList();
  26         }
  27
  28         public CNovacoinAddress(CKeyID keyID)
  29         {
  30             nVersion = (byte)AddrType.PUBKEY_ADDRESS;
  31             addrData = new List<byte>(keyID.hashBytes);
  32         }
  33
  34         public CNovacoinAddress(CScriptID scriptID)
  35         {
  36             nVersion = (byte)AddrType.SCRIPT_ADDRESS;
  37             addrData = new List<byte>(scriptID.hashBytes);
  38         }
  39
  40         public static byte[] ConcatAddress(byte[] RipeHash, byte[] Checksum)
  41         {
  42             byte[] ret = new byte[RipeHash.Length + 4];
  43             Array.Copy(RipeHash, ret, RipeHash.Length);
  44             Array.Copy(Checksum, 0, ret, RipeHash.Length, 4);
  45             return ret;
  46         }
  47
  48         public bool IsValid()
  49         {
  50             int nExpectedSize = 20;
  51
  52             switch ((AddrType) nVersion)
  53             {
  54                 case AddrType.PUBKEY_ADDRESS:
  55                     nExpectedSize = 20; // Hash of public key
  56                     break;
  57                 case AddrType.SCRIPT_ADDRESS:
  58                     nExpectedSize = 20; // Hash of CScript
  59                     break;
  60                 case AddrType.PUBKEY_ADDRESS_TEST:
  61                     nExpectedSize = 20;
  62                     break;
  63                 case AddrType.SCRIPT_ADDRESS_TEST:
  64                     nExpectedSize = 20;
  65                     break;
  66                 default:
  67                     return false;
  68             }
  69
  70             return addrData.Count == nExpectedSize;
  71         }
  72
  73         public override string ToString()
  74         {
  75             List<byte> r = new List<byte>();
  76
  77             byte[] checkSum = Hash256.Compute256(addrData).hashBytes;
  78             Array.Resize(ref checkSum, 4);
  79
  80             r.Add(nVersion);
  81             r.AddRange(addrData);
  82             r.AddRange(checkSum);
  83
  84             return AddressTools.Base58Encode(r.ToArray());
  85         }
  86     }
  87 }