pageRequest default

types/query/format_page_request.go

@@ -3,15 +3,20 @@ package query
 import sdk "github.com/irisnet/core-sdk-go/types"
 
 const (
-	PageReqNilErrMsg = "pageRequest error: PageRequest cannot be nil"
 	CountTotalErrMsg = "pageRequest error: CountTotal is not supported, must be false"
 	LimitErrMsg      = "pageRequest error: Limit cannot be empty and cannot exceed 100"
+	OffsetKeyErrMsg  = "pageRequest error: Only one Offset or Key is allowed"
 )
 
 func FormatPageRequest(pageReq *PageRequest) (*PageRequest, sdk.Error) {
 	if pageReq == nil {
-		return pageReq, sdk.Wrapf(PageReqNilErrMsg)
+		return &PageRequest{
+			Offset:     0,
+			Limit:      100,
+			CountTotal: false,
+		}, nil
 	}
+
 	if pageReq.CountTotal {
 		return pageReq, sdk.Wrapf(CountTotalErrMsg)
 	}
@@ -20,5 +25,9 @@ func FormatPageRequest(pageReq *PageRequest) (*PageRequest, sdk.Error) {
 		return pageReq, sdk.Wrapf(LimitErrMsg)
 	}
 
+	if pageReq.Offset != 0 && len(pageReq.Key) > 0 {
+		return pageReq, sdk.Wrapf(OffsetKeyErrMsg)
+	}
+
 	return pageReq, nil
 }