frostfs-node/pkg/core/container/fmt.go

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package container
import (
"github.com/google/uuid"
"github.com/nspcc-dev/neofs-api-go/pkg"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
"github.com/nspcc-dev/neofs-api-go/pkg/owner"
"github.com/pkg/errors"
)
var errNilPolicy = errors.New("placement policy is nil")
// CheckFormat conducts an initial check of the v2 container data.
//
// It is expected that if a container fails this test,
// it will not be inner-ring approved.
func CheckFormat(c *container.Container) error {
if c.PlacementPolicy() == nil {
return errNilPolicy
}
if err := pkg.IsSupportedVersion(c.Version()); err != nil {
return errors.Wrap(err, "incorrect version")
}
if ln := len(c.OwnerID().ToV2().GetValue()); ln != owner.NEO3WalletSize {
return errors.Errorf("incorrect owner identifier: expected length %d != %d", owner.NEO3WalletSize, ln)
}
if _, err := uuid.FromBytes(c.Nonce()); err != nil {
return errors.Wrap(err, "incorrect nonce")
}
return nil
}