Move unlock prices into Tuning

src/Decentralized.Domain/Tuning.cs

@@ -5,6 +5,9 @@ namespace Decentralized.Domain
     /// </summary>
     public static class Tuning
     {
+        /// <summary>人脉网络升级价格：Web3 治理社区（入口）、混币器。</summary>
+        public const int UnlockPrice = 400, MixerUnlockPrice = 700;
+
         // 挖矿
         public const double PscStartPrice = 100;
         public const double BlockReward = 90;