Add AllowConnectionToDifferentVersions flag to kaspactl

cmd/kaspactl/config.go

@@ -12,11 +12,12 @@ var (
 )
 
 type configFlags struct {
-	RPCServer            string `short:"s" long:"rpcserver" description:"RPC server to connect to"`
-	Timeout              uint64 `short:"t" long:"timeout" description:"Timeout for the request (in seconds)"`
-	RequestJSON          string `short:"j" long:"json" description:"The request in JSON format"`
-	ListCommands         bool   `short:"l" long:"list-commands" description:"List all commands and exit"`
-	CommandAndParameters []string
+	RPCServer                          string `short:"s" long:"rpcserver" description:"RPC server to connect to"`
+	Timeout                            uint64 `short:"t" long:"timeout" description:"Timeout for the request (in seconds)"`
+	RequestJSON                        string `short:"j" long:"json" description:"The request in JSON format"`
+	ListCommands                       bool   `short:"l" long:"list-commands" description:"List all commands and exit"`
+	AllowConnectionToDifferentVersions bool   `short:"a" long:"allow-connection-to-different-versions" description:"Allow connections to versions different than kaspactl's version'"`
+	CommandAndParameters               []string
 	config.NetworkFlags
 }
 

cmd/kaspactl/main.go

@@ -34,16 +34,18 @@ func main() {
 	}
 	defer client.Disconnect()
 
-	kaspadMessage, err := client.Post(&protowire.KaspadMessage{Payload: &protowire.KaspadMessage_GetInfoRequest{GetInfoRequest: &protowire.GetInfoRequestMessage{}}})
-	if err != nil {
-		printErrorAndExit(fmt.Sprintf("Cannot post GetInfo message: %s", err))
-	}
-
-	localVersion := version.Version()
-	remoteVersion := kaspadMessage.GetGetInfoResponse().ServerVersion
-
-	if localVersion != remoteVersion {
-		printErrorAndExit(fmt.Sprintf("Server version mismatch, expect: %s, got: %s", localVersion, remoteVersion))
+	if !cfg.AllowConnectionToDifferentVersions {
+		kaspadMessage, err := client.Post(&protowire.KaspadMessage{Payload: &protowire.KaspadMessage_GetInfoRequest{GetInfoRequest: &protowire.GetInfoRequestMessage{}}})
+		if err != nil {
+			printErrorAndExit(fmt.Sprintf("Cannot post GetInfo message: %s", err))
+		}
+
+		localVersion := version.Version()
+		remoteVersion := kaspadMessage.GetGetInfoResponse().ServerVersion
+
+		if localVersion != remoteVersion {
+			printErrorAndExit(fmt.Sprintf("Server version mismatch, expect: %s, got: %s", localVersion, remoteVersion))
+		}
 	}
 
 	responseChan := make(chan string)

version/version.go

@@ -11,7 +11,7 @@ const validCharacters = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrs
 const (
 	appMajor uint = 0
 	appMinor uint = 11
-	appPatch uint = 11
+	appPatch uint = 12
 )
 
 // appBuild is defined as a variable so it can be overridden during the build