[#121] client: Make PrmContainerEACL fields public

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

client/container_eacl.go

@@ -17,26 +17,31 @@ import (
 
 // PrmContainerEACL groups parameters of ContainerEACL operation.
 type PrmContainerEACL struct {
-	prmCommonMeta
+	// FrostFS request X-Headers.
+	XHeaders []string
 
-	idSet bool
-	id    cid.ID
+	ContainerID *cid.ID
 }
 
 // SetContainer sets identifier of the FrostFS container to read the eACL table.
 // Required parameter.
+//
+// Deprecated: Use PrmContainerEACL.ContainerID instead.
 func (x *PrmContainerEACL) SetContainer(id cid.ID) {
-	x.id = id
-	x.idSet = true
+	x.ContainerID = &id
 }
 
 func (x *PrmContainerEACL) buildRequest(c *Client) (*v2container.GetExtendedACLRequest, error) {
-	if !x.idSet {
+	if x.ContainerID == nil {
 		return nil, errorMissingContainer
 	}
 
+	if len(x.XHeaders)%2 != 0 {
+		return nil, errorInvalidXHeaders
+	}
+
 	var cidV2 refs.ContainerID
-	x.id.WriteToV2(&cidV2)
+	x.ContainerID.WriteToV2(&cidV2)
 
 	reqBody := new(v2container.GetExtendedACLRequestBody)
 	reqBody.SetContainerID(&cidV2)