Frontend.Console: ask confirmation from funder

Previously we only asked the funder to press a key to continue
the process. But now we ask the funder to state if he wants to
continue or not.

src/GWallet.Frontend.Console/LayerTwo.fs

@@ -563,8 +563,7 @@ module LayerTwo =
             if channelInfo.IsFunder then
                 Console.WriteLine
                     "Ensure the fundee is ready to accept a connection to lock the funding, \
-                    then press any key to continue."
-                Console.ReadKey true |> ignore
+                    Do you want to continue (Y/N):"
                 let tryLock password =
                     async {
                         let nodeClient = Lightning.Connection.StartClient channelStore password
@@ -573,7 +572,16 @@ module LayerTwo =
                         return! lockChannelInternal (Node.Client nodeClient) sublockFundingAsync
                     }
 
-                UserInteraction.TryWithPasswordAsync tryLock
+                let confirmation = Console.ReadLine()
+                if confirmation <> "Y" then 
+                    async {
+                        return seq {
+                            yield! UserInteraction.DisplayLightningChannelStatus channelInfo
+                            yield "        funder didn't confirm to lock the funding!"
+                        }
+                    }
+                else
+                    UserInteraction.TryWithPasswordAsync tryLock
             else
                 let nodeServerType =
                     match channelInfo.NodeTransportType with