Remove legacy stake reward calculation code.

[NovacoinLibrary.git] / Novacoin / NetInfo.cs

diff --git a/Novacoin/NetInfo.cs b/Novacoin/NetInfo.cs
index e0307bc..97d83e8 100644 (file)
--- a/Novacoin/NetInfo.cs
+++ b/Novacoin/NetInfo.cs
@@ -1,11 +1,76 @@
-\feffusing System;
-
-namespace Novacoin
+\feffnamespace Novacoin
 {
-    internal class NetUtils
+    /// <summary>
+    /// Basic network params.
+    /// </summary>
+    internal class NetInfo
     {
-        public static readonly uint nLockTimeThreshold = 500000000;
-        private static readonly uint nDrift = 7200;
+        /// <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;
+
+        /// <summary>
+        /// Proof of stake target limit from block #15000 and until 20 June 2013, results with 0,00390625 proof of stake difficulty
+        /// </summary>
+        public static uint256 nProofOfStakeLegacyLimit = ~(new uint256(0)) >> 24;
+
+        /// <summary>
+        /// Proof of stake target limit since 20 June 2013, equal to 0.03125  proof of stake difficulty
+        /// </summary>
+        public static uint256 nProofOfStakeLimit = ~(new uint256(0)) >> 27;
+
+        /// <summary>
+        /// Disabled temporarily, will be used in the future to fix minimal proof of stake difficulty at 0.25
+        /// </summary>
+        public static uint256 nProofOfStakeHardLimit = ~(new uint256(0)) >> 30;
+
+        /// <summary>
+        /// Difficulty-1 target
+        /// </summary>
+        public static uint256 nPoWBase = new uint256("00000000ffff0000000000000000000000000000000000000000000000000000");
+
+        /// <summary>
+        /// Fri, 20 Sep 2013 00:00:00 GMT
+        /// </summary>
+        public const uint nChainChecksSwitchTime = 1379635200;
+
+        /// <summary>
+        /// 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 const uint nStakeValidationSwitchTime = 1408492800;
+
+        /// <summary>
+        /// Hash of block #0
+        /// </summary>
+        public static uint256 nHashGenesisBlock = new uint256("00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
+
+        public const uint nLockTimeThreshold = 500000000;
+
+        /// <summary>
+        /// Allowed clock drift.
+        /// </summary>
+        private const uint nDrift = 7200;
+
+        /// <summary>
+        /// Maximum possible proof-of-work reward.
+        /// </summary>
+        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()
         {
@@ -21,5 +86,17 @@ 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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