[R4R]: add swagger-ui for gov, stake and slashing

PENDING.md

@@ -128,7 +128,7 @@ FEATURES
   * [gaia-lite] [\#966](https://github.com/cosmos/cosmos-sdk/issues/966) Add support for `generate_only=true` query argument to generate offline unsigned transactions
   * [gaia-lite] [\#1953](https://github.com/cosmos/cosmos-sdk/issues/1953) Add /sign endpoint to sign transactions generated with `generate_only=true`.
   * [gaia-lite] [\#1954](https://github.com/cosmos/cosmos-sdk/issues/1954) Add /broadcast endpoint to broadcast transactions signed by the /sign endpoint.
-  * [gaia-lite] [\#2113](https://github.com/cosmos/cosmos-sdk/issues/2113) Rename `/accounts/{address}/send` to `/bank/accounts/{address}/transfers`, rename `/accounts/{address}` to `/auth/accounts/{address}`
+  * [gaia-lite] [\#2113](https://github.com/cosmos/cosmos-sdk/issues/2113) Rename `/accounts/{address}/send` to `/bank/accounts/{address}/transfers`, rename `/accounts/{address}` to `/auth/accounts/{address}`, replace `proposal-id` with `proposalId` in all gov endpoints
   * [gaia-lite] [\#2478](https://github.com/cosmos/cosmos-sdk/issues/2478) Add query gov proposal's deposits endpoint
   * [gaia-lite] [\#2477](https://github.com/cosmos/cosmos-sdk/issues/2477) Add query validator's outgoing redelegations and unbonding delegations endpoints
 

client/keys/delete.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/client"
 	keys "github.com/cosmos/cosmos-sdk/crypto/keys"
+	keyerror "github.com/cosmos/cosmos-sdk/crypto/keys/keyerror"
 	"github.com/gorilla/mux"
 
 	"github.com/spf13/cobra"
@@ -80,9 +81,16 @@ func DeleteKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// TODO handle error if key is not available or pass is wrong
 	err = kb.Delete(name, m.Password)
-	if err != nil {
+	if keyerror.IsErrKeyNotFound(err) {
+		w.WriteHeader(http.StatusNotFound)
+		w.Write([]byte(err.Error()))
+		return
+	} else if keyerror.IsErrWrongPassword(err) {
+		w.WriteHeader(http.StatusUnauthorized)
+		w.Write([]byte(err.Error()))
+		return
+	} else if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
 		w.Write([]byte(err.Error()))
 		return

client/keys/show.go

@@ -9,6 +9,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	"github.com/tendermint/tendermint/libs/cli"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/keyerror"
 )
 
 const (
@@ -108,12 +109,14 @@ func GetKeyRequestHandler(indent bool) http.HandlerFunc {
 		}
 
 		info, err := GetKeyInfo(name)
-		// TODO: check for the error if key actually does not exist, instead of
-		// assuming this as the reason
-		if err != nil {
+		if keyerror.IsErrKeyNotFound(err) {
 			w.WriteHeader(http.StatusNotFound)
 			w.Write([]byte(err.Error()))
 			return
+		} else if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			w.Write([]byte(err.Error()))
+			return
 		}
 
 		keyOutput, err := bechKeyOut(info)

client/keys/update.go

@@ -10,6 +10,7 @@ import (
 	"github.com/gorilla/mux"
 
 	"github.com/spf13/cobra"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/keyerror"
 )
 
 func updateKeyCommand() *cobra.Command {
@@ -83,12 +84,19 @@ func UpdateKeyRequestHandler(w http.ResponseWriter, r *http.Request) {
 
 	getNewpass := func() (string, error) { return m.NewPassword, nil }
 
-	// TODO check if account exists and if password is correct
 	err = kb.Update(name, m.OldPassword, getNewpass)
-	if err != nil {
+	if keyerror.IsErrKeyNotFound(err) {
+		w.WriteHeader(http.StatusNotFound)
+		w.Write([]byte(err.Error()))
+		return
+	} else if keyerror.IsErrWrongPassword(err) {
 		w.WriteHeader(http.StatusUnauthorized)
 		w.Write([]byte(err.Error()))
 		return
+	} else if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte(err.Error()))
+		return
 	}
 
 	w.Header().Set("Content-Type", "application/json")

client/lcd/lcd_test.go

@@ -959,7 +959,7 @@ func doIBCTransfer(t *testing.T, port, seed, name, password string, addr sdk.Acc
 }
 
 func getSigningInfo(t *testing.T, port string, validatorPubKey string) slashing.ValidatorSigningInfo {
-	res, body := Request(t, port, "GET", fmt.Sprintf("/slashing/signing_info/%s", validatorPubKey), nil)
+	res, body := Request(t, port, "GET", fmt.Sprintf("/slashing/validators/%s/signing_info", validatorPubKey), nil)
 	require.Equal(t, http.StatusOK, res.StatusCode, body)
 
 	var signingInfo slashing.ValidatorSigningInfo