Cleanup node_info Endpoint

.pending/breaking/rest/_Remove-version-and-

@@ -0,0 +1,2 @@
+[\#4837](https://github.com/cosmos/cosmos-sdk/pull/4837) Remove /version and /node_version
+endpoints in favor of refactoring /node_info to also include application version info.

Makefile

@@ -25,11 +25,11 @@ build: go.sum
 
 update-swagger-docs: statik
 	$(BINDIR)/statik -src=client/lcd/swagger-ui -dest=client/lcd -f -m
-	if [ -n "$(git status --porcelain)" ]; then \
-		echo "swagger docs out of sync";\
+	@if [ -n "$(git status --porcelain)" ]; then \
+        echo "\033[91mSwagger docs are out of sync!!!\033[0m";\
         exit 1;\
     else \
-    	echo "swagger docs are in sync";\
+    	echo "\033[92mSwagger docs are in sync\033[0m";\
     fi
 .PHONY: update-swagger-docs
 

client/alias.go

@@ -94,8 +94,6 @@ var (
 	BlockRequestHandlerFn              = rpc.BlockRequestHandlerFn
 	LatestBlockRequestHandlerFn        = rpc.LatestBlockRequestHandlerFn
 	RegisterRPCRoutes                  = rpc.RegisterRPCRoutes
-	CLIVersionRequestHandler           = rpc.CLIVersionRequestHandler
-	NodeVersionRequestHandler          = rpc.NodeVersionRequestHandler
 	StatusCommand                      = rpc.StatusCommand
 	NodeInfoRequestHandlerFn           = rpc.NodeInfoRequestHandlerFn
 	NodeSyncingRequestHandlerFn        = rpc.NodeSyncingRequestHandlerFn

client/lcd/swagger-ui/swagger.yaml

@@ -35,15 +35,6 @@ securityDefinitions:
   kms:
     type: basic
 paths:
-  /version:
-    get:
-      summary: Version of Gaia-lite
-      tags:
-        - Misc
-      description: Get the version of gaia-lite running locally to compare against expected
-      responses:
-        200:
-          description: Plaintext version i.e. "v0.25.0"
   /node_info:
     get:
       description: Information about the connected node
@@ -58,44 +49,62 @@ paths:
           schema:
             type: object
             properties:
-              id:
-                type: string
-              moniker:
-                type: string
-                example: validator-name
-              protocol_version:
+              application_version:
                 properties:
-                  p2p:
+                  build_tags:
                     type: string
-                    example: 7
-                  block:
+                  client_name:
                     type: string
-                    example: 10
-                  app:
+                  commit:
                     type: string
-                    example: 0
-              network:
-                type: string
-                example: gaia-2
-              channels:
-                type: string
-              listen_addr:
-                type: string
-                example: 192.168.56.1:26656
-              version:
-                description: Tendermint version
-                type: string
-                example: 0.15.0
-              other:
-                description: more information on versions
-                type: object
+                  go:
+                    type: string
+                  name:
+                    type: string
+                  server_name:
+                    type: string
+                  version:
+                    type: string
+              node_info:
                 properties:
-                  tx_index:
+                  id:
+                    type: string
+                  moniker:
+                    type: string
+                    example: validator-name
+                  protocol_version:
+                    properties:
+                      p2p:
+                        type: string
+                        example: 7
+                      block:
+                        type: string
+                        example: 10
+                      app:
+                        type: string
+                        example: 0
+                  network:
+                    type: string
+                    example: gaia-2
+                  channels:
                     type: string
-                    example: on
-                  rpc_address:
+                  listen_addr:
                     type: string
-                    example: tcp://0.0.0.0:26657
+                    example: 192.168.56.1:26656
+                  version:
+                    description: Tendermint version
+                    type: string
+                    example: 0.15.0
+                  other:
+                    description: more information on versions
+                    type: object
+                    properties:
+                      tx_index:
+                        type: string
+                        example: on
+                      rpc_address:
+                        type: string
+                        example: tcp://0.0.0.0:26657
         500:
           description: Failed to query node status
   /syncing:
@@ -104,9 +113,16 @@ paths:
       tags:
         - Tendermint RPC
       description: Get if the node is currently syning with other nodes
+      produces:
+        - application/json
       responses:
         200:
-          description: '"true" or "false"'
+          description: Node syncing status
+          schema:
+            type: object
+            properties:
+              syncing:
+                type: bool
         500:
           description: Server internal error
   /blocks/latest:

client/rpc/root.go

@@ -1,49 +1,17 @@
 package rpc
 
 import (
-	"fmt"
-	"log"
-	"net/http"
-
 	"github.com/gorilla/mux"
 
 	"github.com/cosmos/cosmos-sdk/client/context"
-	"github.com/cosmos/cosmos-sdk/types/rest"
-	"github.com/cosmos/cosmos-sdk/version"
 )
 
 // Register REST endpoints
 func RegisterRPCRoutes(cliCtx context.CLIContext, r *mux.Router) {
-	r.HandleFunc("/version", CLIVersionRequestHandler).Methods("GET")
-	r.HandleFunc("/node_version", NodeVersionRequestHandler(cliCtx)).Methods("GET")
 	r.HandleFunc("/node_info", NodeInfoRequestHandlerFn(cliCtx)).Methods("GET")
 	r.HandleFunc("/syncing", NodeSyncingRequestHandlerFn(cliCtx)).Methods("GET")
 	r.HandleFunc("/blocks/latest", LatestBlockRequestHandlerFn(cliCtx)).Methods("GET")
 	r.HandleFunc("/blocks/{height}", BlockRequestHandlerFn(cliCtx)).Methods("GET")
 	r.HandleFunc("/validatorsets/latest", LatestValidatorSetRequestHandlerFn(cliCtx)).Methods("GET")
 	r.HandleFunc("/validatorsets/{height}", ValidatorSetRequestHandlerFn(cliCtx)).Methods("GET")
 }
-
-// cli version REST handler endpoint
-func CLIVersionRequestHandler(w http.ResponseWriter, r *http.Request) {
-	w.Header().Set("Content-Type", "application/json")
-	if _, err := w.Write([]byte(fmt.Sprintf("{\"version\": \"%s\"}", version.Version))); err != nil {
-		log.Printf("could not write response: %v", err)
-	}
-}
-
-// connected node version REST handler endpoint
-func NodeVersionRequestHandler(cliCtx context.CLIContext) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		res, _, err := cliCtx.Query("/app/version")
-		if err != nil {
-			rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
-			return
-		}
-
-		w.Header().Set("Content-Type", "application/json")
-		if _, err := w.Write(res); err != nil {
-			log.Printf("could not write response: %v", err)
-		}
-	}
-}

client/rpc/status.go

@@ -2,9 +2,7 @@ package rpc
 
 import (
 	"fmt"
-	"log"
 	"net/http"
-	"strconv"
 
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -15,9 +13,12 @@ import (
 	"github.com/cosmos/cosmos-sdk/client/flags"
 	"github.com/cosmos/cosmos-sdk/codec"
 	"github.com/cosmos/cosmos-sdk/types/rest"
+	"github.com/cosmos/cosmos-sdk/version"
+
+	"github.com/tendermint/tendermint/p2p"
 )
 
-// StatusCommand returns the status of the network
+// StatusCommand returns the command to return the status of the network.
 func StatusCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "status",
@@ -32,7 +33,6 @@ func StatusCommand() *cobra.Command {
 }
 
 func getNodeStatus(cliCtx context.CLIContext) (*ctypes.ResultStatus, error) {
-	// get the node
 	node, err := cliCtx.GetNode()
 	if err != nil {
 		return &ctypes.ResultStatus{}, err
@@ -41,9 +41,7 @@ func getNodeStatus(cliCtx context.CLIContext) (*ctypes.ResultStatus, error) {
 	return node.Status()
 }
 
-// CMD
-
-func printNodeStatus(cmd *cobra.Command, args []string) error {
+func printNodeStatus(_ *cobra.Command, _ []string) error {
 	// No need to verify proof in getting node status
 	viper.Set(flags.FlagTrustNode, true)
 	cliCtx := context.NewCLIContext()
@@ -66,7 +64,11 @@ func printNodeStatus(cmd *cobra.Command, args []string) error {
 	return nil
 }
 
-// REST
+type nodeInfoResponse struct {
+	p2p.DefaultNodeInfo `json:"node_info"`
+
+	ApplicationVersion version.Info `json:"application_version"`
+}
 
 // REST handler for node info
 func NodeInfoRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
@@ -77,11 +79,18 @@ func NodeInfoRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
 			return
 		}
 
-		nodeInfo := status.NodeInfo
-		rest.PostProcessResponse(w, cliCtx, nodeInfo)
+		resp := nodeInfoResponse{
+			DefaultNodeInfo:    status.NodeInfo,
+			ApplicationVersion: version.NewInfo(),
+		}
+		rest.PostProcessResponseBare(w, cliCtx, resp)
 	}
 }
 
+type syncingResponse struct {
+	Syncing bool `json:"syncing"`
+}
+
 // REST handler for node syncing
 func NodeSyncingRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
@@ -91,9 +100,6 @@ func NodeSyncingRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
 			return
 		}
 
-		syncing := status.SyncInfo.CatchingUp
-		if _, err := w.Write([]byte(strconv.FormatBool(syncing))); err != nil {
-			log.Printf("could not write response: %v", err)
-		}
+		rest.PostProcessResponseBare(w, cliCtx, syncingResponse{Syncing: status.SyncInfo.CatchingUp})
 	}
 }

types/rest/rest.go

@@ -237,6 +237,35 @@ func ParseQueryHeightOrReturnBadRequest(w http.ResponseWriter, cliCtx context.CL
 	return cliCtx, true
 }
 
+// PostProcessResponseBare post processes a body similar to PostProcessResponse
+// except it does not wrap the body and inject the height.
+func PostProcessResponseBare(w http.ResponseWriter, cliCtx context.CLIContext, body interface{}) {
+	var (
+		resp []byte
+		err  error
+	)
+
+	switch body.(type) {
+	case []byte:
+		resp = body.([]byte)
+
+	default:
+		if cliCtx.Indent {
+			resp, err = cliCtx.Codec.MarshalJSONIndent(body, "", "  ")
+		} else {
+			resp, err = cliCtx.Codec.MarshalJSON(body)
+		}
+
+		if err != nil {
+			WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
+			return
+		}
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	_, _ = w.Write(resp)
+}
+
 // PostProcessResponse performs post processing for a REST response. The result
 // returned to clients will contain two fields, the height at which the resource
 // was queried at and the original result.

version/command.go

@@ -22,7 +22,7 @@ var Cmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print the app version",
 	RunE: func(_ *cobra.Command, _ []string) error {
-		verInfo := newVersionInfo()
+		verInfo := NewInfo()
 
 		if !viper.GetBool(flagLong) {
 			fmt.Println(verInfo.Version)

version/version.go

@@ -33,33 +33,23 @@ var (
 	Version = ""
 	// commit
 	Commit = ""
-	// hash of the go.sum file
-	GoSumHash = ""
 	// build tags
 	BuildTags = ""
 )
 
-type versionInfo struct {
-	Name       string `json:"name"`
-	ServerName string `json:"server_name"`
-	ClientName string `json:"client_name"`
-	Version    string `json:"version"`
-	GitCommit  string `json:"commit"`
-	BuildTags  string `json:"build_tags"`
-	GoVersion  string `json:"go"`
+// Info defines the application version information.
+type Info struct {
+	Name       string `json:"name" yaml:"name"`
+	ServerName string `json:"server_name" yaml:"server_name"`
+	ClientName string `json:"client_name" yaml:"client_name"`
+	Version    string `json:"version" yaml:"version"`
+	GitCommit  string `json:"commit" yaml:"commit"`
+	BuildTags  string `json:"build_tags" yaml:"build_tags"`
+	GoVersion  string `json:"go" yaml:"go"`
 }
 
-func (v versionInfo) String() string {
-	return fmt.Sprintf(`%s: %s
-git commit: %s
-build tags: %s
-%s`,
-		v.Name, v.Version, v.GitCommit, v.BuildTags, v.GoVersion,
-	)
-}
-
-func newVersionInfo() versionInfo {
-	return versionInfo{
+func NewInfo() Info {
+	return Info{
 		Name:       Name,
 		ServerName: ServerName,
 		ClientName: ClientName,
@@ -69,3 +59,12 @@ func newVersionInfo() versionInfo {
 		GoVersion:  fmt.Sprintf("go version %s %s/%s", runtime.Version(), runtime.GOOS, runtime.GOARCH),
 	}
 }
+
+func (vi Info) String() string {
+	return fmt.Sprintf(`%s: %s
+git commit: %s
+build tags: %s
+%s`,
+		vi.Name, vi.Version, vi.GitCommit, vi.BuildTags, vi.GoVersion,
+	)
+}