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[#140] sdk: Refactor reference types

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Refactor v2-compatible reference types to be wrappers over corresponding
types from v2.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2020-09-10 12:57:29 +03:00 • committed by Stanislav Bogatyrev
parent 2026473733
commit 524280a5e8
10 changed files with 73 additions and 215 deletions
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48
pkg/object/id.go
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@ -4,47 +4,29 @@ import (
"crypto/sha256"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/pkg/errors"
)
// ID represents object identifier that
// supports different type of values.
type ID struct {
val []byte
// ID represents v2-compatible object identifier.
type ID refs.ObjectID
// NewIDFromV2 wraps v2 ObjectID message to ID.
func NewIDFromV2(idV2 *refs.ObjectID) *ID {
return (*ID)(idV2)
}
// NewID creates and initializes blank ID.
//
// Works similar as NewIDFromV2(new(ObjectID)).
func NewID() *ID {
return NewIDFromV2(new(refs.ObjectID))
}
// SetSHA256 sets object identifier value to SHA256 checksum.
func (id *ID) SetSHA256(v [sha256.Size]byte) {
if id != nil {
id.val = v[:]
}
(*refs.ObjectID)(id).SetValue(v[:])
}
// ToV2 converts ID to v2 ObjectID message.
func (id *ID) ToV2() *refs.ObjectID {
if id != nil {
idV2 := new(refs.ObjectID)
idV2.SetValue(id.val)
return idV2
}
return nil
}
// IDFromV2 converts v2 ObjectID message to ID.
//
// Returns an error if the format of the identifier
// in the message is broken.
func IDFromV2(idV2 *refs.ObjectID) (*ID, error) {
val := idV2.GetValue()
if ln := len(val); ln != sha256.Size {
return nil, errors.Errorf("could not convert %T to %T: invalid length %d",
idV2, (*ID)(nil), ln,
)
}
return &ID{
val: val,
}, nil
return (*refs.ObjectID)(id)
}