Define a maximum tx fee or else zero few is required

Author: sondreb

src/Networks/Blockcore.Networks.Strax/StraxRegTest.cs

@@ -32,6 +32,7 @@ public StraxRegTest()
             //this.DefaultSignalRPort = 37102;
             this.MaxTipAge = 2 * 60 * 60;
             this.MinTxFee = 10000;
+            this.MaxTxFee = Money.Coins(1).Satoshi;
             this.FallbackFee = 10000;
             this.MinRelayTxFee = 10000;
             this.RootFolderName = StraxNetwork.StraxRootFolderName;

src/Networks/Blockcore.Networks.Strax/StraxTest.cs

@@ -32,6 +32,7 @@ public StraxTest()
             //this.DefaultSignalRPort = 27102;
             this.MaxTipAge = 2 * 60 * 60;
             this.MinTxFee = 10000;
+            this.MaxTxFee = Money.Coins(1).Satoshi;
             this.FallbackFee = 10000;
             this.MinRelayTxFee = 10000;
             this.RootFolderName = StraxNetwork.StraxRootFolderName;

src/Node/Blockcore.Node/Properties/launchSettings.json

@@ -174,7 +174,7 @@
     },
     "STRAX (TEST)": {
       "commandName": "Project",
-      "commandLineArgs": "--chain=STRAX  -server -iprangefiltering=0 -rpcallowip=127.0.0.1 -rpcbind=127.0.0.1 -rpcpassword=rpcpassword -rpcuser=rpcuser -testnet"
+      "commandLineArgs": "--chain=STRAX -txindex=1 -server -iprangefiltering=0 -rpcallowip=127.0.0.1 -rpcbind=127.0.0.1 -rpcpassword=rpcpassword -rpcuser=rpcuser -testnet"
     },
     "STRAX (MAIN/LOCAL)": {
       "commandName": "Project",