Reuse Tendermint client instance (closes #671)

x/auth/rest/query.go

@@ -21,6 +21,7 @@ type commander struct {
 
 func QueryAccountRequestHandler(storeName string, cdc *wire.Codec, decoder sdk.AccountDecoder) func(http.ResponseWriter, *http.Request) {
 	c := commander{storeName, cdc, decoder}
+	ctx := context.NewCoreContextFromViper()
 	return func(w http.ResponseWriter, r *http.Request) {
 		vars := mux.Vars(r)
 		addr := vars["address"]
@@ -33,7 +34,7 @@ func QueryAccountRequestHandler(storeName string, cdc *wire.Codec, decoder sdk.A
 		}
 		key := sdk.Address(bz)
 
-		res, err := context.NewCoreContextFromViper().Query(key, c.storeName)
+		res, err := ctx.Query(key, c.storeName)
 		if err != nil {
 			w.WriteHeader(http.StatusInternalServerError)
 			w.Write([]byte(fmt.Sprintf("Could't query account. Error: %s", err.Error())))

x/bank/rest/sendtx.go

@@ -28,6 +28,7 @@ type sendBody struct {
 // SendRequestHandler - http request handler to send coins to a address
 func SendRequestHandler(cdc *wire.Codec, kb keys.Keybase) func(http.ResponseWriter, *http.Request) {
 	c := commands.Commander{cdc}
+	ctx := context.NewCoreContextFromViper()
 	return func(w http.ResponseWriter, r *http.Request) {
 		// collect data
 		vars := mux.Vars(r)
@@ -71,8 +72,7 @@ func SendRequestHandler(cdc *wire.Codec, kb keys.Keybase) func(http.ResponseWrit
 		}
 
 		// sign
-		ctx := context.NewCoreContextFromViper()
-		ctx.Sequence = m.Sequence
+		ctx = ctx.WithSequence(m.Sequence)
 		txBytes, err := ctx.SignAndBuild(m.LocalAccountName, m.Password, msg, c.Cdc)
 		if err != nil {
 			w.WriteHeader(http.StatusUnauthorized)

x/ibc/rest/transfer.go

@@ -29,6 +29,7 @@ type transferBody struct {
 // on a different chain via IBC
 func TransferRequestHandler(cdc *wire.Codec, kb keys.Keybase) func(http.ResponseWriter, *http.Request) {
 	c := commands.Commander{cdc}
+	ctx := context.NewCoreContextFromViper()
 	return func(w http.ResponseWriter, r *http.Request) {
 		// collect data
 		vars := mux.Vars(r)
@@ -69,9 +70,7 @@ func TransferRequestHandler(cdc *wire.Codec, kb keys.Keybase) func(http.Response
 		msg := ibc.IBCTransferMsg{packet}
 
 		// sign
-		// XXX: OMG
-		ctx := context.NewCoreContextFromViper()
-		ctx.Sequence = m.Sequence
+		ctx = ctx.WithSequence(m.Sequence)
 		txBytes, err := ctx.SignAndBuild(m.LocalAccountName, m.Password, msg, c.Cdc)
 		if err != nil {
 			w.WriteHeader(http.StatusUnauthorized)