Deals with timeout for operations that may take a while.

Tools/BiblioTech/BaseCommand.cs

@@ -6,6 +6,7 @@ namespace BiblioTech
     public abstract class BaseCommand
     {
         public abstract string Name { get; }
+        public abstract string StartingMessage { get; }
         public abstract string Description { get; }
         public virtual CommandOption[] Options
         {
@@ -18,7 +19,17 @@ namespace BiblioTech
         public async Task SlashCommandHandler(SocketSlashCommand command)
         {
             if (command.CommandName != Name) return;
-            await Invoke(command);
+
+            try
+            {
+                await command.RespondAsync(StartingMessage);
+                await Invoke(command);
+            }
+            catch (Exception ex)
+            {
+                await command.FollowupAsync("Something failed while trying to do that...");
+                Console.WriteLine(ex);
+            }
         }
 
         protected abstract Task Invoke(SocketSlashCommand command);

Tools/BiblioTech/BaseNetCommand.cs

@@ -21,12 +21,12 @@ namespace BiblioTech
             var deployments = monitor.GetDeployments();
             if (deployments.Length == 0)
             {
-                await command.RespondAsync("No deployments are currently available.");
+                await command.FollowupAsync("No deployments are currently available.");
                 return;
             }
             if (deployments.Length > 1) 
             {
-                await command.RespondAsync("Multiple deployments are online. I don't know which one to pick!");
+                await command.FollowupAsync("Multiple deployments are online. I don't know which one to pick!");
                 return;
             }
 

Tools/BiblioTech/DeploymentsCommand.cs

@@ -0,0 +1,31 @@
+using Discord.WebSocket;
+
+namespace BiblioTech
+{
+    public class DeploymentsCommand : BaseCommand
+    {
+        private readonly DeploymentsFilesMonitor monitor;
+
+        public DeploymentsCommand(DeploymentsFilesMonitor monitor)
+        {
+            this.monitor = monitor;
+        }
+
+        public override string Name => "deployments";
+        public override string StartingMessage => "Fetching deployments information...";
+        public override string Description => "Lists known deployments";
+
+        protected override async Task Invoke(SocketSlashCommand command)
+        {
+            var deployments = monitor.GetDeployments();
+
+            if (!deployments.Any())
+            {
+                await command.FollowupAsync("No deployments available.");
+                return;
+            }
+
+            await command.FollowupAsync($"Deployments: {string.Join(", ", deployments.Select(d => d.Metadata.StartUtc.ToString("o")))}");
+        }
+    }
+}

Tools/BiblioTech/Program.cs

@@ -44,7 +44,9 @@ namespace BiblioTech
 
             var handler = new CommandHandler(client,
                 new GetBalanceCommand(monitor, ci), 
-                new MintCommand(monitor, ci));
+                new MintCommand(monitor, ci),
+                new DeploymentsCommand(monitor)
+            );
 
             await client.LoginAsync(TokenType.Bot, Config.ApplicationToken);
             await client.StartAsync();

Tools/BiblioTech/TokenCommands/EthAddressOption.cs

@@ -6,7 +6,7 @@ namespace BiblioTech.TokenCommands
     public class EthAddressOption : CommandOption
     {
         public EthAddressOption()
-            : base(name: "EthAddress",
+            : base(name: "ethaddress",
                   description: "Ethereum address starting with '0x'.",
                   type: Discord.ApplicationCommandOptionType.String)
         {

Tools/BiblioTech/TokenCommands/GetBalanceCommand.cs

@@ -16,6 +16,7 @@ namespace BiblioTech.TokenCommands
         }
 
         public override string Name => "balance";
+        public override string StartingMessage => "Fetching balance...";
         public override string Description => "Shows Eth and TestToken balance of an eth address.";
         public override CommandOption[] Options => new[] { ethOption };
 

Tools/BiblioTech/TokenCommands/MintCommand.cs

@@ -18,6 +18,7 @@ namespace BiblioTech.TokenCommands
         }
 
         public override string Name => "mint";
+        public override string StartingMessage => "Minting some tokens...";
         public override string Description => "Mint some TestTokens and send some Eth to the address if its balance is low.";
         public override CommandOption[] Options => new[] { ethOption };
 
@@ -26,11 +27,11 @@ namespace BiblioTech.TokenCommands
             var addr = await ethOption.Parse(command);
             if (addr == null) return;
 
-            var report = 
+            var report =
                 ProcessEth(gethNode, addr) +
                 ProcessTestTokens(gethNode, contracts, addr);
 
-            await command.RespondAsync(report);
+            await command.FollowupAsync(report);
         }
 
         private string ProcessTestTokens(IGethNode gethNode, ICodexContracts contracts, EthAddress addr)