275 lines
6.3 KiB
Go
275 lines
6.3 KiB
Go
package layer
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import (
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"bytes"
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"context"
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"crypto/rand"
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"crypto/sha256"
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"fmt"
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"io"
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"strings"
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"time"
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objectv2 "github.com/nspcc-dev/neofs-api-go/v2/object"
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"github.com/nspcc-dev/neofs-sdk-go/checksum"
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"github.com/nspcc-dev/neofs-sdk-go/container"
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cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
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"github.com/nspcc-dev/neofs-sdk-go/object"
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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"github.com/nspcc-dev/neofs-sdk-go/session"
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"github.com/nspcc-dev/neofs-sdk-go/user"
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)
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type TestNeoFS struct {
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NeoFS
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objects map[string]*object.Object
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containers map[string]*container.Container
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currentEpoch uint64
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}
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const objectSystemAttributeName = "S3-System-name"
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func NewTestNeoFS() *TestNeoFS {
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return &TestNeoFS{
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objects: make(map[string]*object.Object),
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containers: make(map[string]*container.Container),
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}
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}
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func (t *TestNeoFS) CurrentEpoch() uint64 {
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return t.currentEpoch
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}
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func (t *TestNeoFS) Objects() []*object.Object {
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res := make([]*object.Object, 0, len(t.objects))
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for _, obj := range t.objects {
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res = append(res, obj)
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}
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return res
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}
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func (t *TestNeoFS) AddObject(key string, obj *object.Object) {
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t.objects[key] = obj
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}
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func (t *TestNeoFS) ContainerID(name string) (cid.ID, error) {
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for id, cnr := range t.containers {
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if container.Name(*cnr) == name {
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var cnrID cid.ID
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return cnrID, cnrID.DecodeString(id)
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}
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}
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return cid.ID{}, fmt.Errorf("not found")
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}
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func (t *TestNeoFS) CreateContainer(_ context.Context, prm PrmContainerCreate) (cid.ID, error) {
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var cnr container.Container
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cnr.Init()
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cnr.SetOwner(prm.Creator)
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cnr.SetPlacementPolicy(prm.Policy)
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cnr.SetBasicACL(prm.BasicACL)
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container.SetCreationTime(&cnr, time.Now())
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if prm.Name != "" {
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var d container.Domain
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d.SetName(prm.Name)
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container.WriteDomain(&cnr, d)
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container.SetName(&cnr, prm.Name)
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}
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for i := range prm.AdditionalAttributes {
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cnr.SetAttribute(prm.AdditionalAttributes[i][0], prm.AdditionalAttributes[i][1])
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}
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b := make([]byte, 32)
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if _, err := io.ReadFull(rand.Reader, b); err != nil {
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return cid.ID{}, err
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}
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var id cid.ID
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id.SetSHA256(sha256.Sum256(b))
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t.containers[id.EncodeToString()] = &cnr
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return id, nil
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}
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func (t *TestNeoFS) DeleteContainer(_ context.Context, cnrID cid.ID, _ *session.Container) error {
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delete(t.containers, cnrID.EncodeToString())
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return nil
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}
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func (t *TestNeoFS) Container(_ context.Context, id cid.ID) (*container.Container, error) {
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for k, v := range t.containers {
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if k == id.EncodeToString() {
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return v, nil
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}
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}
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return nil, fmt.Errorf("container not found %s", id)
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}
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func (t *TestNeoFS) UserContainers(_ context.Context, _ user.ID) ([]cid.ID, error) {
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var res []cid.ID
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for k := range t.containers {
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var idCnr cid.ID
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if err := idCnr.DecodeString(k); err != nil {
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return nil, err
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}
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res = append(res, idCnr)
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}
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return res, nil
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}
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func (t *TestNeoFS) SelectObjects(_ context.Context, prm PrmObjectSelect) ([]oid.ID, error) {
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filters := object.NewSearchFilters()
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filters.AddRootFilter()
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if prm.FilePrefix != "" {
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filters.AddFilter(object.AttributeFileName, prm.FilePrefix, object.MatchCommonPrefix)
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}
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if prm.ExactAttribute[0] != "" {
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filters.AddFilter(prm.ExactAttribute[0], prm.ExactAttribute[1], object.MatchStringEqual)
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}
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cidStr := prm.Container.EncodeToString()
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var res []oid.ID
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if len(filters) == 1 {
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for k, v := range t.objects {
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if strings.Contains(k, cidStr) {
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id, _ := v.ID()
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res = append(res, id)
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}
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}
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return res, nil
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}
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filter := filters[1]
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if len(filters) != 2 || filter.Operation() != object.MatchStringEqual ||
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(filter.Header() != object.AttributeFileName && filter.Header() != objectSystemAttributeName) {
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return nil, fmt.Errorf("usupported filters")
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}
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for k, v := range t.objects {
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if strings.Contains(k, cidStr) && isMatched(v.Attributes(), filter) {
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id, _ := v.ID()
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res = append(res, id)
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}
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}
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return res, nil
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}
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func (t *TestNeoFS) ReadObject(_ context.Context, prm PrmObjectRead) (*ObjectPart, error) {
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var addr oid.Address
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addr.SetContainer(prm.Container)
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addr.SetObject(prm.Object)
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sAddr := addr.EncodeToString()
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if obj, ok := t.objects[sAddr]; ok {
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payload := obj.Payload()
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if prm.PayloadRange[0]+prm.PayloadRange[1] > 0 {
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off := prm.PayloadRange[0]
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payload = payload[off : off+prm.PayloadRange[1]]
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}
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return &ObjectPart{
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Head: obj,
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Payload: io.NopCloser(bytes.NewReader(payload)),
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}, nil
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}
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return nil, fmt.Errorf("object not found %s", addr)
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}
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func (t *TestNeoFS) CreateObject(_ context.Context, prm PrmObjectCreate) (oid.ID, error) {
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b := make([]byte, 32)
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if _, err := io.ReadFull(rand.Reader, b); err != nil {
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return oid.ID{}, err
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}
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var id oid.ID
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id.SetSHA256(sha256.Sum256(b))
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attrs := make([]object.Attribute, 0)
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if prm.Filename != "" {
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a := object.NewAttribute()
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a.SetKey(object.AttributeFileName)
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a.SetValue(prm.Filename)
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attrs = append(attrs, *a)
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}
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for i := range prm.Attributes {
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a := object.NewAttribute()
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a.SetKey(prm.Attributes[i][0])
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a.SetValue(prm.Attributes[i][1])
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attrs = append(attrs, *a)
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}
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obj := object.New()
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obj.SetContainerID(prm.Container)
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obj.SetID(id)
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obj.SetPayloadSize(prm.PayloadSize)
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obj.SetAttributes(attrs...)
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obj.SetCreationEpoch(t.currentEpoch)
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t.currentEpoch++
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if len(prm.Locks) > 0 {
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lock := new(object.Lock)
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lock.WriteMembers(prm.Locks)
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objectv2.WriteLock(obj.ToV2(), (objectv2.Lock)(*lock))
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}
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if prm.Payload != nil {
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all, err := io.ReadAll(prm.Payload)
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if err != nil {
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return oid.ID{}, err
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}
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obj.SetPayload(all)
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obj.SetPayloadSize(uint64(len(all)))
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var hash checksum.Checksum
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checksum.Calculate(&hash, checksum.SHA256, all)
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obj.SetPayloadChecksum(hash)
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}
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cnrID, _ := obj.ContainerID()
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objID, _ := obj.ID()
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addr := newAddress(cnrID, objID)
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t.objects[addr.EncodeToString()] = obj
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return objID, nil
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}
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func (t *TestNeoFS) DeleteObject(_ context.Context, prm PrmObjectDelete) error {
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var addr oid.Address
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addr.SetContainer(prm.Container)
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addr.SetObject(prm.Object)
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delete(t.objects, addr.EncodeToString())
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return nil
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}
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func (t *TestNeoFS) TimeToEpoch(_ context.Context, futureTime time.Time) (uint64, uint64, error) {
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return t.currentEpoch, t.currentEpoch + uint64(futureTime.Second()), nil
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}
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func isMatched(attributes []object.Attribute, filter object.SearchFilter) bool {
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for _, attr := range attributes {
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if attr.Key() == filter.Header() && attr.Value() == filter.Value() {
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return true
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}
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}
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return false
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}
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