[PSL-1228] fix burn-txid field for single file registration

walletnode/api/services/cascade.go

@@ -131,13 +131,15 @@ func (service *CascadeAPIHandler) StartProcessing(ctx context.Context, p *cascad
 			return nil, cascade.MakeInternalServerError(err)
 		}
 
-		if p.BurnTxid == nil {
-			return nil, cascade.MakeInternalServerError(errors.New("BurnTxId must not be null for single related file"))
+		burnTxID, err := validateBurnTxID(p.BurnTxid, p.BurnTxids)
+		if err != nil {
+			log.WithContext(ctx).WithError(err).Error("error validating burn-txid from the payload")
+			return nil, cascade.MakeInternalServerError(err)
 		}
 
 		addTaskPayload := &common.AddTaskPayload{
 			FileID:                 p.FileID,
-			BurnTxid:               p.BurnTxid,
+			BurnTxid:               &burnTxID,
 			AppPastelID:            p.AppPastelID,
 			MakePubliclyAccessible: p.MakePubliclyAccessible,
 			Key:                    p.Key,
@@ -233,6 +235,18 @@ func isDuplicateExists(burnTxIDs []string) bool {
 	return false
 }
 
+func validateBurnTxID(burnTxID *string, burnTxIDs []string) (string, error) {
+	if burnTxID != nil {
+		return *burnTxID, nil
+	}
+
+	if len(burnTxIDs) > 0 {
+		return burnTxIDs[0], nil
+	}
+
+	return "", errors.New("burn txid should either passed in burn_txid field or as an item in burn_txids array")
+}
+
 // RegisterTaskState - Registers a task state
 func (service *CascadeAPIHandler) RegisterTaskState(ctx context.Context, p *cascade.RegisterTaskStatePayload, stream cascade.RegisterTaskStateServerStream) (err error) {
 	defer stream.Close()

walletnode/api/services/multipart.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 	"encoding/hex"
-	"fmt"
 	"io"
 	"io/ioutil"
 	"mime/multipart"
@@ -214,7 +213,6 @@ func handleUploadFile(ctx context.Context, reader *multipart.Reader, baseDir str
 		}
 
 		filename = part.FileName()
-		fmt.Printf("Upload image %q\n", filename)
 		outputFilePath = filepath.Join(dirPath, filename)
 		outputFile, err := os.Create(outputFilePath)
 		if err != nil {
@@ -246,6 +244,9 @@ func handleUploadFile(ctx context.Context, reader *multipart.Reader, baseDir str
 		// Use 7z to split the file
 		err := fs.SplitFile(outputFilePath)
 		if err != nil {
+			if strings.Contains(err.Error(), "no such file or directory") {
+				return "", "", 0, errors.New("seems like `p7zip-full` is not installed in your system, kindly proceed after installing the package")
+			}
 			return "", "", 0, err
 		}
 		// Remove the original file after splitting

walletnode/services/cascaderegister/service.go

@@ -632,7 +632,7 @@ func (service *CascadeRegistrationService) RegisterVolumeTicket(ctx context.Cont
 	}
 
 	if len(relatedFiles) <= 1 {
-		return "", errors.New("related files must be greater than 1")
+		return "", errors.New("related volumes must be greater than 1 for creating multi-volume ticket")
 	}
 
 	concludedCount := 0
@@ -867,10 +867,11 @@ func (service *CascadeRegistrationService) RestoreFile(ctx context.Context, p *c
 		}
 	}
 
-	// only set base file txId return by pastel register all else remains nil
-	_, err = service.RegisterVolumeTicket(ctx, p.BaseFileID)
-	if err != nil {
-		return nil, err
+	if len(volumes) > 1 {
+		_, err = service.RegisterVolumeTicket(ctx, p.BaseFileID)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	return &cascade.RestoreFile{