package v2 import ( "strconv" "github.com/nspcc-dev/neofs-api-go/v2/acl" cid "github.com/nspcc-dev/neofs-sdk-go/container/id" eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl" "github.com/nspcc-dev/neofs-sdk-go/object" objectSDKAddress "github.com/nspcc-dev/neofs-sdk-go/object/address" objectSDKID "github.com/nspcc-dev/neofs-sdk-go/object/id" "github.com/nspcc-dev/neofs-sdk-go/owner" ) type sysObjHdr struct { k, v string } func (s *sysObjHdr) Key() string { return s.k } func (s *sysObjHdr) Value() string { return s.v } func idValue(id *objectSDKID.ID) string { return id.String() } func cidValue(id *cid.ID) string { return id.String() } func ownerIDValue(id *owner.ID) string { return id.String() } func u64Value(v uint64) string { return strconv.FormatUint(v, 10) } func headersFromObject(obj *object.Object, addr *objectSDKAddress.Address) []eaclSDK.Header { var count int for obj := obj; obj != nil; obj = obj.Parent() { count += 9 + len(obj.Attributes()) } res := make([]eaclSDK.Header, 0, count) for ; obj != nil; obj = obj.Parent() { res = append(res, cidHeader(addr.ContainerID()), // owner ID &sysObjHdr{ k: acl.FilterObjectOwnerID, v: ownerIDValue(obj.OwnerID()), }, // creation epoch &sysObjHdr{ k: acl.FilterObjectCreationEpoch, v: u64Value(obj.CreationEpoch()), }, // payload size &sysObjHdr{ k: acl.FilterObjectPayloadLength, v: u64Value(obj.PayloadSize()), }, oidHeader(addr.ObjectID()), // object version &sysObjHdr{ k: acl.FilterObjectVersion, v: obj.Version().String(), }, // payload hash &sysObjHdr{ k: acl.FilterObjectPayloadHash, v: obj.PayloadChecksum().String(), }, // object type &sysObjHdr{ k: acl.FilterObjectType, v: obj.Type().String(), }, // payload homomorphic hash &sysObjHdr{ k: acl.FilterObjectHomomorphicHash, v: obj.PayloadHomomorphicHash().String(), }, ) attrs := obj.Attributes() for i := range attrs { res = append(res, &attrs[i]) // only pointer attrs can implement eaclSDK.Header interface } } return res }