package placement import ( "github.com/nspcc-dev/neofs-api-go/pkg/netmap" "github.com/nspcc-dev/neofs-api-go/pkg/object" "github.com/pkg/errors" ) type netMapBuilder struct { nm *netmap.Netmap } func (b *netMapBuilder) BuildPlacement(a *object.Address, p *netmap.PlacementPolicy) ([]netmap.Nodes, error) { aV2 := a.ToV2() cn, err := b.nm.GetContainerNodes(p, aV2.GetContainerID().GetValue()) if err != nil { return nil, errors.Wrap(err, "could not get container nodes") } oid := aV2.GetObjectID() if oid == nil { return cn.Replicas(), nil } on, err := b.nm.GetPlacementVectors(cn, oid.GetValue()) if err != nil { return nil, errors.Wrap(err, "could not get placement vectors for object") } return on, nil }