Preliminary block checkings.

[NovacoinLibrary.git] / Novacoin / CPubKey.cs

diff --git a/Novacoin/CPubKey.cs b/Novacoin/CPubKey.cs
index 48a3c7d..33d1b92 100644 (file)
--- a/Novacoin/CPubKey.cs
+++ b/Novacoin/CPubKey.cs
@@ -1,18 +1,91 @@
-\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 Org.BouncyCastle.Crypto.Parameters;
 
 namespace Novacoin
 {
-    public class CPubKey
+    /// <summary>
+    /// Representation of ECDSA public key
+    /// </summary>
+    public class CPubKey : CKey
     {
-        private List<byte> pubKeyBytes;
+        /// <summary>
+        /// Initializes a new instance of CPubKey class as the copy of another instance
+        /// </summary>
+        /// <param name="pubKey">Another CPubKey instance</param>
+        public CPubKey(CPubKey pubKey)
+        {
+            _Public = pubKey._Public;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of CPubKey class using supplied sequence of bytes
+        /// </summary>
+        /// <param name="bytes">Byte sequence</param>
+        public CPubKey(byte[] bytes)
+        {
+            var pQ = curve.Curve.DecodePoint(bytes);
+            _Public = new ECPublicKeyParameters(pQ, domain);
+        }
+
+        /// <summary>
+        /// Init with base58 encoded sequence of bytes
+        /// </summary>
+        /// <param name="strBase58"></param>
+        public CPubKey(string strBase58)
+        {
+            var pQ = curve.Curve.DecodePoint(AddressTools.Base58DecodeCheck(strBase58));
+            _Public = new ECPublicKeyParameters(pQ, domain);
+        }
 
-        public IList<byte> Raw
+        /// <summary>
+        /// Quick validity test
+        /// </summary>
+        /// <returns>Validation result</returns>
+        public bool IsValid
         {
-            get { return pubKeyBytes; }
+            get { return !_Public.Q.IsInfinity; }
+        }
+
+        public string ToHex()
+        {
+            return Interop.ToHex(this);
+        }
+
+        /// <summary>
+        /// Public part of key pair
+        /// </summary>
+        public static implicit operator byte[] (CPubKey p)
+        {
+            return p._Public.Q.GetEncoded();
+        }
+
+        public override string ToString()
+        {
+            var r = new List<byte>();
+
+            r.Add((byte)(AddrType.PUBKEY_ADDRESS));
+            r.AddRange((byte[])this);
+
+            return AddressTools.Base58EncodeCheck(r.ToArray());
         }
     }
 }