-\feffusing System;
+\feff/**
+* Novacoin classes library
+* Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
+
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as
+* published by the Free Software Foundation, either version 3 of the
+* License, or (at your option) any later version.
+
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU Affero General Public License for more details.
+
+* You should have received a copy of the GNU Affero General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
using System.Collections.Generic;
using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System;
+using System.Diagnostics.Contracts;
namespace Novacoin
{
+ /// <summary>
+ /// Available address types
+ /// </summary>
public enum AddrType
{
PUBKEY_ADDRESS = 8,
SCRIPT_ADDRESS_TEST = 196
};
+ /// <summary>
+ /// Represents novacoin address
+ /// </summary>
public class CNovacoinAddress
{
private byte nVersion;
- private List<byte> addrData;
+ private byte[] addrData = new byte[20];
- public CNovacoinAddress(byte nVersionIn, IEnumerable<byte> addrDataIn)
+ /// <summary>
+ /// Initialize with custom data and version
+ /// </summary>
+ /// <param name="nVersionIn"></param>
+ /// <param name="addrDataIn"></param>
+ public CNovacoinAddress(byte nVersionIn, byte[] addrDataIn)
{
+ Contract.Requires<ArgumentException>(addrDataIn.Length == 20, "Your data doesn't look like a valid hash160 of some value.");
+
nVersion = nVersionIn;
- addrData = addrDataIn.ToList();
+ addrDataIn.CopyTo(addrData, 0);
}
+ /// <summary>
+ /// Initialize new instance of PUBKEY_ADDRESS
+ /// </summary>
+ /// <param name="keyID">CKeyID instance</param>
public CNovacoinAddress(CKeyID keyID)
{
nVersion = (byte)AddrType.PUBKEY_ADDRESS;
- addrData = new List<byte>(keyID.hashBytes);
+ addrData = keyID;
}
+ /// <summary>
+ /// Initialize new instance of SCRIPT_ADDRESS
+ /// </summary>
+ /// <param name="keyID">CScriptID instance</param>
public CNovacoinAddress(CScriptID scriptID)
{
nVersion = (byte)AddrType.SCRIPT_ADDRESS;
- addrData = new List<byte>(scriptID.hashBytes);
+ addrData = scriptID;
}
- public static byte[] ConcatAddress(byte[] RipeHash, byte[] Checksum)
+ /// <summary>
+ /// Initialize new instance from base58 string
+ /// </summary>
+ /// <param name="strNovacoinAddress"></param>
+ public CNovacoinAddress(string strNovacoinAddress)
{
- byte[] ret = new byte[RipeHash.Length + 4];
- Array.Copy(RipeHash, ret, RipeHash.Length);
- Array.Copy(Checksum, 0, ret, RipeHash.Length, 4);
- return ret;
+ var RawAddrData = AddressTools.Base58DecodeCheck(strNovacoinAddress);
+
+ if (RawAddrData.Length != 21)
+ {
+ throw new ArgumentException("Though you have provided a correct Base58 representation of some data, this data doesn't represent a valid Novacoin address.");
+ }
+
+ nVersion = RawAddrData[0];
+ Array.Copy(RawAddrData, 1, addrData, 0, 20);
}
- public bool IsValid()
+ /// <summary>
+ /// 20 bytes, Hash160 of script or public key
+ /// </summary>
+ public static implicit operator byte[](CNovacoinAddress addr)
{
- int nExpectedSize = 20;
+ return addr.addrData;
+ }
- switch ((AddrType) nVersion)
+ /// <summary>
+ /// Basic sanity checking
+ /// </summary>
+ public bool IsValid
+ {
+ get
{
- case AddrType.PUBKEY_ADDRESS:
- nExpectedSize = 20; // Hash of public key
- break;
- case AddrType.SCRIPT_ADDRESS:
- nExpectedSize = 20; // Hash of CScript
- break;
- case AddrType.PUBKEY_ADDRESS_TEST:
- nExpectedSize = 20;
- break;
- case AddrType.SCRIPT_ADDRESS_TEST:
- nExpectedSize = 20;
- break;
- default:
- return false;
- }
+ // Address data is normally generated by RIPEMD-160 hash function
+ int nExpectedSize = 20;
- return addrData.Count == nExpectedSize;
+ switch ((AddrType)nVersion)
+ {
+ case AddrType.PUBKEY_ADDRESS:
+ nExpectedSize = 20; // Hash of public key
+ break;
+ case AddrType.SCRIPT_ADDRESS:
+ nExpectedSize = 20; // Hash of CScript
+ break;
+ case AddrType.PUBKEY_ADDRESS_TEST:
+ nExpectedSize = 20;
+ break;
+ case AddrType.SCRIPT_ADDRESS_TEST:
+ nExpectedSize = 20;
+ break;
+ default:
+ return false;
+ }
+
+ return addrData.Length == nExpectedSize;
+ }
}
+ /// <summary>
+ /// Generate base58 serialized representation of novacoin address
+ /// </summary>
+ /// <returns>Base58(data + checksum)</returns>
public override string ToString()
{
- List<byte> r = new List<byte>();
-
- byte[] checkSum = Hash256.Compute256(addrData).hashBytes;
- Array.Resize(ref checkSum, 4);
+ var r = new List<byte>();
r.Add(nVersion);
r.AddRange(addrData);
- r.AddRange(checkSum);
- return AddressTools.Base58Encode(r.ToArray());
+ return AddressTools.Base58EncodeCheck(r.ToArray());
}
}
}
git://git.novaco.in / NovacoinLibrary.git / blobdiff