remove params from docgen cmd

Makefile

@@ -175,7 +175,7 @@ pb-gen:
 ## openrpc-gen: Generate OpenRPC spec for Celestia-Node's RPC api
 openrpc-gen:
 	@echo "--> Generating OpenRPC spec"
-	@go run ${LDFLAGS} ./cmd/celestia docgen fraud header state share das p2p node blob da
+	@go run ${LDFLAGS} ./cmd/celestia docgen
 .PHONY: openrpc-gen
 
 ## lint-imports: Lint only Go imports.

cmd/celestia/docgen.go

@@ -7,31 +7,38 @@ import (
 	"github.com/spf13/cobra"
 
 	"github.com/celestiaorg/celestia-node/api/docgen"
+	"github.com/celestiaorg/celestia-node/api/rpc/client"
 	"github.com/celestiaorg/celestia-node/nodebuilder"
 )
 
 var docgenCmd = &cobra.Command{
-	Use:   "docgen [packages]",
-	Short: "docgen generates the openrpc documentation for Celestia Node packages",
-	RunE: func(_ *cobra.Command, moduleNames []string) error {
-		// 1. Open the respective nodebuilder/X/service.go files for AST parsing
+	Use:   "docgen",
+	Short: "docgen generates the openrpc documentation for all Celestia Node packages",
+	RunE: func(_ *cobra.Command, _ []string) error {
+		// 1. Collect all node's modules
+		moduleNames := make([]string, 0, len(client.Modules))
+		for module := range client.Modules {
+			moduleNames = append(moduleNames, module)
+		}
+
+		// 2. Open the respective nodebuilder/X/service.go files for AST parsing
 		nodeComments, permComments := docgen.ParseCommentsFromNodebuilderModules(moduleNames...)
 
-		// 2. Create an OpenRPC document from the map of comments + hardcoded metadata
+		// 3. Create an OpenRPC document from the map of comments + hardcoded metadata
 		doc := docgen.NewOpenRPCDocument(nodeComments, permComments)
 
-		// 3. Register the client wrapper interface on the document
+		// 4. Register the client wrapper interface on the document
 		for moduleName, module := range nodebuilder.PackageToAPI {
 			doc.RegisterReceiverName(moduleName, module)
 		}
 
-		// 4. Call doc.Discover()
+		// 5. Call doc.Discover()
 		d, err := doc.Discover()
 		if err != nil {
 			return err
 		}
 
-		// 5. Print to Stdout
+		// 6. Print to Stdout
 		jsonOut, err := json.MarshalIndent(d, "", "    ")
 		if err != nil {
 			return err