Improve "pool hashrate" and "miner hashrate", they are double like they are supposed to be in the database

Author: xiaolin1579

src/Miningcore/Api/Responses/GetPoolStatsResponse.cs

@@ -2,9 +2,9 @@ namespace Miningcore.Api.Responses;
 
 public partial class AggregatedPoolStats
 {
-    public float PoolHashrate { get; set; }
+    public double PoolHashrate { get; set; }
     public int ConnectedMiners { get; set; }
-    public int ValidSharesPerSecond { get; set; }
+    public double ValidSharesPerSecond { get; set; }
     public double NetworkHashrate { get; set; }
     public double NetworkDifficulty { get; set; }
 

src/Miningcore/Mining/PoolStats.cs

@@ -4,6 +4,6 @@ public class PoolStats
 {
     public DateTime? LastPoolBlockTime { get; set; }
     public int ConnectedMiners { get; set; }
-    public ulong PoolHashrate { get; set; }
-    public int SharesPerSecond { get; set; }
+    public double PoolHashrate { get; set; }
+    public double SharesPerSecond { get; set; }
 }

src/Miningcore/Mining/StatsRecorder.cs

@@ -130,12 +130,11 @@ private async Task UpdatePoolHashratesAsync(CancellationToken ct)
                 // pool hashrate
                 var poolHashesAccumulated = result.Sum(x => x.Sum);
                 var poolHashrate = pool.HashrateFromShares(poolHashesAccumulated, poolHashTimeFrame);
-                poolHashrate = Math.Floor(poolHashrate);
-                pool.PoolStats.PoolHashrate = (ulong) poolHashrate;
+                pool.PoolStats.PoolHashrate = poolHashrate;
 
                 // pool shares
                 var poolHashesCountAccumulated = result.Sum(x => x.Count);
-                pool.PoolStats.SharesPerSecond = (int) (poolHashesCountAccumulated / poolHashTimeFrame);
+                pool.PoolStats.SharesPerSecond = Math.Round(poolHashesCountAccumulated / poolHashTimeFrame, 3);
 
                 messageBus.NotifyHashrateUpdated(pool.Config.Id, poolHashrate);
             }

src/Miningcore/Persistence/Model/PoolStats.cs

@@ -6,13 +6,13 @@ public record PoolStats
     public string PoolId { get; init; }
 
     public int ConnectedMiners { get; init; }
-    public float PoolHashrate { get; init; }
+    public double PoolHashrate { get; init; }
     public double NetworkHashrate { get; init; }
     public double NetworkDifficulty { get; init; }
     public DateTime? LastNetworkBlockTime { get; init; }
     public long BlockHeight { get; init; }
     public int ConnectedPeers { get; init; }
-    public int SharesPerSecond { get; init; }
+    public double SharesPerSecond { get; init; }
 
     public DateTime Created { get; init; }
 }

src/Miningcore/Persistence/Postgres/Entities/PoolStats.cs

@@ -6,13 +6,13 @@ public class PoolStats
     public string PoolId { get; set; }
 
     public int ConnectedMiners { get; set; }
-    public float PoolHashrate { get; set; }
+    public double PoolHashrate { get; set; }
     public double NetworkHashrate { get; set; }
     public double NetworkDifficulty { get; set; }
     public DateTime? LastNetworkBlockTime { get; set; }
     public long BlockHeight { get; set; }
     public int ConnectedPeers { get; set; }
-    public int SharesPerSecond { get; set; }
+    public double SharesPerSecond { get; set; }
 
     public DateTime Created { get; set; }
 }