registry

type Repository interface {
	// Resolve resolves a reference(tag or digest) to a manifest descriptor
	Resolve(ctx context.Context, reference string) (ocispec.Descriptor, error)

	// ListSignatures returns signature manifests filtered by fn given the
	// target artifact's manifest descriptor
	ListSignatures(ctx context.Context, desc ocispec.Descriptor, fn func(signatureManifests []ocispec.Descriptor) error) error

	// FetchSignatureBlob returns signature envelope blob and descriptor for
	// given signature manifest descriptor
	FetchSignatureBlob(ctx context.Context, desc ocispec.Descriptor) ([]byte, ocispec.Descriptor, error)

	// PushSignature creates and uploads an signature manifest along with its
	// linked signature envelope blob.
	PushSignature(ctx context.Context, mediaType string, blob []byte, subject ocispec.Descriptor, annotations map[string]string) (blobDesc, manifestDesc ocispec.Descriptor, err error)
}

type RepositoryOptions struct{}