generalized error format

blockchain/blockchain.go

@@ -333,15 +333,16 @@ func (bl *FxBlockchain) handleAction(method string, action string, from peer.ID,
 	response, err := bl.callBlockchain(ctx, method, action, req)
 	if err != nil {
 		log.Error("failed to process action request: %v", err)
-		apiError := struct {
-			Message     string `json:"message"`
-			Description string `json:"description"`
-		}{
-			Message:     "Pallet: Pool, Variant: UserBusy",
-			Description: "Fula Pool error",
+		var apiError map[string]interface{}
+
+		// Assuming err is an error object that contains a JSON string with the error details.
+		// You would unmarshal it into the map.
+		if unmarshalErr := json.Unmarshal([]byte(err.Error()), &apiError); unmarshalErr != nil {
+			log.Error("failed to decode error details: %v", unmarshalErr)
+			http.Error(w, "", http.StatusInternalServerError)
+			return
 		}
 
-		// Marshal the error to JSON.
 		apiErrorJSON, jsonErr := json.Marshal(apiError)
 		if jsonErr != nil {
 			log.Error("failed to encode error response: %v", jsonErr)
@@ -352,8 +353,8 @@ func (bl *FxBlockchain) handleAction(method string, action string, from peer.ID,
 		// Set the header and write the error JSON to the response writer.
 		w.Header().Set("Content-Type", "application/json")
 		w.WriteHeader(http.StatusBadRequest)
-		if _, err := w.Write(apiErrorJSON); err != nil {
-			log.Error("failed to write error response: %v", err)
+		if _, writeErr := w.Write(apiErrorJSON); writeErr != nil {
+			log.Error("failed to write error response: %v", writeErr)
 		}
 		return
 	} else {