several fixes

@@ -358,7 +358,7 @@ WL_VERSION_INTERFACE()
 
 - (void) redeemCouponSetsWithSuccessBlock:(NSString*) uuid :(void(^)(NSDictionary *response))success failureBlock:(void(^)(NSError *error))failure;
 
-- (void) validateCoupoWithSuccessBlock:(NSString*) coupon :(void(^)(NSDictionary *response))success failureBlock:(void(^)(NSError *error))failure;
+- (void) validateCouponWithSuccessBlock:(NSString*) coupon :(void(^)(NSDictionary *response))success failureBlock:(void(^)(NSError *error))failure;
 
 /*!
  @abstract Get the full page add accordint to the display_type of a campaign.

@@ -1548,8 +1548,18 @@ WL_VERSION_IMPLEMENTATION(WL_VERSION)
 
 - (void) getCouponSetsWithSuccessBlock:(NSNumber*) active andVisible:(NSNumber*) visible andUuids:(NSArray*) uuids :(void(^)(NSDictionary *response))success failureBlock:(void(^)(NSError *error))failure
 {
-    NSDictionary *postDictionary = @{@"coupon": @{@"action": @"retrieve_multilingual", @"language": LANG, @"active": active, @"visible": visible, @"language": LANG, @"uuids": uuids}};
-    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:postDictionary options:0 error:NULL];
+    NSMutableDictionary* data = [[NSMutableDictionary alloc] init];
+  
+    [data setValue:active forKey:@"active"];
+    [data setValue:@"retrieve_multilingual" forKey:@"action"];
+    [data setValue:visible forKey:@"visible"];
+    [data setValue:LANG forKey:@"language"];
+    if (uuids && [uuids count] > 0) {
+      [data setValue:uuids forKey:@"uuids"];
+    }
+    NSMutableDictionary* dataCoupons = [[NSMutableDictionary alloc] init];
+    [dataCoupons setValue:data forKey:@"coupon"];
+    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dataCoupons options:0 error:NULL];
     [self sendContext:jsonData successBlock:^(NSDictionary *contextResponse) {
         if (success) {
             success(contextResponse);
@@ -1599,7 +1609,7 @@ WL_VERSION_IMPLEMENTATION(WL_VERSION)
     }];
 }
 
-- (void) validateCoupoWithSuccessBlock:(NSString*) coupon :(void(^)(NSDictionary *response))success failureBlock:(void(^)(NSError *error))failure
+- (void) validateCouponWithSuccessBlock:(NSString*) coupon :(void(^)(NSDictionary *response))success failureBlock:(void(^)(NSError *error))failure
 {
     NSDictionary *postDictionary = @{@"coupon": @{@"action": @"validate", @"coupon": coupon}};
     NSData *jsonData = [NSJSONSerialization dataWithJSONObject:postDictionary options:0 error:NULL];

@@ -1088,7 +1088,7 @@ NSString *LANG;
   __block NSDictionary *resp = [NSDictionary alloc];
   __block BOOL isRunLoopNested = NO;
   __block BOOL isOperationCompleted = NO;
-  [[Warply sharedService] validateCoupoWithSuccessBlock:coupon :^(NSDictionary *response) {
+  [[Warply sharedService] validateCouponWithSuccessBlock:coupon :^(NSDictionary *response) {
     resp = response;
     isOperationCompleted = YES;
     if (isRunLoopNested) {