nBlockTrust cleanup.
[NovacoinLibrary.git] / Novacoin / NetInfo.cs
index 4e0d519..ef74166 100644 (file)
@@ -1,6 +1,4 @@
-\feffusing System;
-
-namespace Novacoin
+\feffnamespace Novacoin
 {
     /// <summary>
     /// Basic network params.
@@ -8,6 +6,11 @@ namespace Novacoin
     internal class NetInfo
     {
         /// <summary>
+        /// Minimal depth for spending coinbase and coinstake transactions.
+        /// </summary>
+        public const int nGeneratedMaturity = 500;
+
+        /// <summary>
         /// "standard" scrypt target limit for proof of work, results with 0,000244140625 proof-of-work difficulty
         /// </summary>
         public static uint256 nProofOfWorkLimit = ~(new uint256(0)) >> 20;
@@ -33,26 +36,36 @@ namespace Novacoin
         public static uint256 nPoWBase = new uint256("00000000ffff0000000000000000000000000000000000000000000000000000");
 
         /// <summary>
-        /// Fri, 20 Sep 2013 00:00:00 GMT
+        /// Sat, 20 Jul 2013 00:00:00 GMT
+        /// </summary>
+        public const uint nTargetsSwitchTime = 1374278400;
+
+        /// <summary>
+        /// Wed, 20 Aug 2014 00:00:00 GMT
         /// </summary>
-        public static uint nChainChecksSwitchTime = 1379635200;
+        public const uint nStakeValidationSwitchTime = 1408492800;
 
         /// <summary>
         /// Hash of block #0
         /// </summary>
         public static uint256 nHashGenesisBlock = new uint256("00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
 
-        public static readonly uint nLockTimeThreshold = 500000000;
+        public const uint nLockTimeThreshold = 500000000;
 
         /// <summary>
         /// Allowed clock drift.
         /// </summary>
-        private static readonly uint nDrift = 7200;
+        private const uint nDrift = 7200;
 
         /// <summary>
         /// Maximum possible proof-of-work reward.
         /// </summary>
-        public const ulong nMaxMintProofOfWork = CTransaction.nCoin * 100;
+        public const long nMaxMintProofOfWork = CTransaction.nCoin * 100;
+
+        /// <summary>
+        /// Maximum possible proof-of-stake reward per coin*year.
+        /// </summary>
+        public const long nMaxMintProofOfStake = CTransaction.nCoin * 100;
 
         public static uint GetAdjustedTime()
         {
@@ -68,5 +81,17 @@ namespace Novacoin
         {
             return nTime - nDrift; // up to 2 hours from the past
         }
+
+        internal static uint256 GetProofOfStakeLimit(uint nHeight, uint nTime)
+        {
+            if (nTime > nTargetsSwitchTime) // 27 bits since 20 July 2013
+                return nProofOfStakeLimit;
+            if (nHeight + 1 > 15000) // 24 bits since block 15000
+                return nProofOfStakeLegacyLimit;
+            if (nHeight + 1 > 14060) // 31 bits since block 14060 until 15000
+                return nProofOfStakeHardLimit;
+
+            return nProofOfWorkLimit; // return bnProofOfWorkLimit of none matched
+        }
     }
 }
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