49 lines
1,002 B
Go
49 lines
1,002 B
Go
package container
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import (
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"crypto/sha256"
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"github.com/nspcc-dev/neofs-api-go/refs"
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)
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// ID represents the
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// container identifier.
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//
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// It is a type alias of
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// github.com/nspcc-dev/neofs-api-go/refs.CID.
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// FIXME: container id should be defined in core package.
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type ID = refs.CID
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// OwnerID represents the
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// container owner identifier.
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//
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// It is a type alias of
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// github.com/nspcc-dev/neofs-api-go/refs.OwnerID.
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// FIXME: owner ID should be defined in core lib.
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type OwnerID = refs.OwnerID
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// OwnerIDSize is a size of OwnerID
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// in a binary form.
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const OwnerIDSize = refs.OwnerIDSize
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// CalculateID calculates container identifier
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// as SHA256 checksum of the binary form.
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//
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// If container is nil, ErrNilContainer is returned.
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func CalculateID(cnr *Container) (*ID, error) {
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if cnr == nil {
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return nil, ErrNilContainer
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}
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data, err := cnr.MarshalBinary()
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if err != nil {
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return nil, err
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}
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res := new(ID)
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sh := sha256.Sum256(data)
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copy(res[:], sh[:])
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return res, nil
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}
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