frostfs-node/pkg/local_object_storage/util/ecinfo.go

package util

import (
	"bytes"

	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
)

// MergeECInfo ignores conflicts and rewrites `to` with non empty values
// from `from`.
func MergeECInfo(from, to *objectSDK.ECInfo) *objectSDK.ECInfo {
	for _, fchunk := range from.Chunks {
		add := true
		for _, tchunk := range to.Chunks {
			if bytes.Equal(tchunk.ID.GetValue(), fchunk.ID.GetValue()) {
				add = false
				break
			}
		}
		if add {
			to.AddChunk(*objectSDK.NewECChunkFromV2(&fchunk))
		}
	}
	return to
}