Add max tx fee to strax network

Author: dangershony

src/Networks/Blockcore.Networks.Strax/StraxMain.cs

@@ -31,6 +31,7 @@ public StraxMain()
             //this.DefaultSignalRPort = 17102;
             this.MaxTipAge = 2 * 60 * 60;
             this.MinTxFee = 10000;
+            this.MaxTxFee = Money.Coins(1).Satoshi;
             this.FallbackFee = 10000;
             this.MinRelayTxFee = 10000;
             this.RootFolderName = StraxNetwork.StraxRootFolderName;