407 lines
11 KiB
Go
407 lines
11 KiB
Go
package client
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import (
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"context"
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
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"github.com/nspcc-dev/neofs-api-go/pkg/container"
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"github.com/nspcc-dev/neofs-api-go/pkg/owner"
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"github.com/nspcc-dev/neofs-api-go/rpc/client"
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"github.com/nspcc-dev/neofs-api-go/util/signature"
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v2container "github.com/nspcc-dev/neofs-api-go/v2/container"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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rpcapi "github.com/nspcc-dev/neofs-api-go/v2/rpc"
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v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
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"github.com/pkg/errors"
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)
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// Container contains methods related to container and ACL.
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type Container interface {
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// PutContainer creates new container in the NeoFS network.
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PutContainer(context.Context, *container.Container, ...CallOption) (*container.ID, error)
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// GetContainer returns container by ID.
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GetContainer(context.Context, *container.ID, ...CallOption) (*container.Container, error)
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// ListContainers return container list with the provided owner.
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ListContainers(context.Context, *owner.ID, ...CallOption) ([]*container.ID, error)
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// DeleteContainer removes container from NeoFS network.
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DeleteContainer(context.Context, *container.ID, ...CallOption) error
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// GetEACL returns extended ACL for a given container.
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GetEACL(context.Context, *container.ID, ...CallOption) (*EACLWithSignature, error)
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// SetEACL sets extended ACL.
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SetEACL(context.Context, *eacl.Table, ...CallOption) error
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// AnnounceContainerUsedSpace announces amount of space which is taken by stored objects.
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AnnounceContainerUsedSpace(context.Context, []container.UsedSpaceAnnouncement, ...CallOption) error
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}
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type delContainerSignWrapper struct {
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body *v2container.DeleteRequestBody
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}
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// EACLWithSignature represents eACL table/signature pair.
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type EACLWithSignature struct {
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table *eacl.Table
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sig *pkg.Signature
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}
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func (c delContainerSignWrapper) ReadSignedData(bytes []byte) ([]byte, error) {
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return c.body.GetContainerID().GetValue(), nil
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}
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func (c delContainerSignWrapper) SignedDataSize() int {
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return len(c.body.GetContainerID().GetValue())
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}
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// EACL returns eACL table.
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func (e EACLWithSignature) EACL() *eacl.Table {
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return e.table
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}
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// Signature returns table signature.
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func (e EACLWithSignature) Signature() *pkg.Signature {
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return e.sig
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}
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func (c *clientImpl) PutContainer(ctx context.Context, cnr *container.Container, opts ...CallOption) (*container.ID, error) {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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// set transport version
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cnr.SetVersion(pkg.SDKVersion())
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// if container owner is not set, then use client key as owner
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if cnr.OwnerID() == nil {
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w, err := owner.NEO3WalletFromPublicKey(&callOptions.key.PublicKey)
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if err != nil {
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return nil, err
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}
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ownerID := new(owner.ID)
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ownerID.SetNeo3Wallet(w)
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cnr.SetOwnerID(ownerID)
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}
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reqBody := new(v2container.PutRequestBody)
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reqBody.SetContainer(cnr.ToV2())
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// sign container
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signWrapper := v2signature.StableMarshalerWrapper{SM: reqBody.GetContainer()}
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err := signature.SignDataWithHandler(callOptions.key, signWrapper, func(key []byte, sig []byte) {
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containerSignature := new(refs.Signature)
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containerSignature.SetKey(key)
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containerSignature.SetSign(sig)
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reqBody.SetSignature(containerSignature)
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}, signature.SignWithRFC6979())
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if err != nil {
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return nil, err
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}
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req := new(v2container.PutRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err = v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return nil, err
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}
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resp, err := rpcapi.PutContainer(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return nil, err
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return nil, errors.Wrap(err, "can't verify response message")
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}
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return container.NewIDFromV2(resp.GetBody().GetContainerID()), nil
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}
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// GetContainer receives container structure through NeoFS API call.
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//
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// Returns error if container structure is received but does not meet NeoFS API specification.
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func (c *clientImpl) GetContainer(ctx context.Context, id *container.ID, opts ...CallOption) (*container.Container, error) {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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reqBody := new(v2container.GetRequestBody)
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reqBody.SetContainerID(id.ToV2())
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req := new(v2container.GetRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err := v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return nil, err
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}
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resp, err := rpcapi.GetContainer(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return nil, errors.Wrap(err, "transport error")
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return nil, errors.Wrap(err, "can't verify response message")
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}
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return container.NewVerifiedFromV2(resp.GetBody().GetContainer())
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}
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// GetVerifiedContainerStructure is a wrapper over Client.GetContainer method
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// which checks if the structure of the resulting container matches its identifier.
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//
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// Returns container.ErrIDMismatch if container does not match the identifier.
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func GetVerifiedContainerStructure(ctx context.Context, c Client, id *container.ID, opts ...CallOption) (*container.Container, error) {
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cnr, err := c.GetContainer(ctx, id, opts...)
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if err != nil {
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return nil, err
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}
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if !container.CalculateID(cnr).Equal(id) {
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return nil, container.ErrIDMismatch
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}
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return cnr, nil
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}
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func (c *clientImpl) ListContainers(ctx context.Context, ownerID *owner.ID, opts ...CallOption) ([]*container.ID, error) {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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if ownerID == nil {
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w, err := owner.NEO3WalletFromPublicKey(&callOptions.key.PublicKey)
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if err != nil {
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return nil, err
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}
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ownerID = new(owner.ID)
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ownerID.SetNeo3Wallet(w)
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}
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reqBody := new(v2container.ListRequestBody)
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reqBody.SetOwnerID(ownerID.ToV2())
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req := new(v2container.ListRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err := v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return nil, err
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}
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resp, err := rpcapi.ListContainers(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return nil, errors.Wrap(err, "transport error")
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return nil, errors.Wrap(err, "can't verify response message")
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}
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result := make([]*container.ID, 0, len(resp.GetBody().GetContainerIDs()))
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for _, cidV2 := range resp.GetBody().GetContainerIDs() {
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result = append(result, container.NewIDFromV2(cidV2))
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}
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return result, nil
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}
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func (c *clientImpl) DeleteContainer(ctx context.Context, id *container.ID, opts ...CallOption) error {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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reqBody := new(v2container.DeleteRequestBody)
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reqBody.SetContainerID(id.ToV2())
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// sign container
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err := signature.SignDataWithHandler(callOptions.key,
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delContainerSignWrapper{
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body: reqBody,
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},
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func(key []byte, sig []byte) {
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containerSignature := new(refs.Signature)
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containerSignature.SetKey(key)
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containerSignature.SetSign(sig)
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reqBody.SetSignature(containerSignature)
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},
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signature.SignWithRFC6979())
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if err != nil {
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return err
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}
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req := new(v2container.DeleteRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err = v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return err
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}
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resp, err := rpcapi.DeleteContainer(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return errors.Wrap(err, "transport error")
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}
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return errors.Wrap(v2signature.VerifyServiceMessage(resp), "can't verify response message")
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}
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func (c *clientImpl) GetEACL(ctx context.Context, id *container.ID, opts ...CallOption) (*EACLWithSignature, error) {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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reqBody := new(v2container.GetExtendedACLRequestBody)
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reqBody.SetContainerID(id.ToV2())
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req := new(v2container.GetExtendedACLRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err := v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return nil, err
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}
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resp, err := rpcapi.GetEACL(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return nil, errors.Wrap(err, "transport error")
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return nil, errors.Wrap(err, "can't verify response message")
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}
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body := resp.GetBody()
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return &EACLWithSignature{
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table: eacl.NewTableFromV2(body.GetEACL()),
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sig: pkg.NewSignatureFromV2(body.GetSignature()),
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}, nil
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}
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func (c *clientImpl) SetEACL(ctx context.Context, eacl *eacl.Table, opts ...CallOption) error {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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reqBody := new(v2container.SetExtendedACLRequestBody)
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reqBody.SetEACL(eacl.ToV2())
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reqBody.GetEACL().SetVersion(pkg.SDKVersion().ToV2())
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signWrapper := v2signature.StableMarshalerWrapper{SM: reqBody.GetEACL()}
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err := signature.SignDataWithHandler(callOptions.key, signWrapper, func(key []byte, sig []byte) {
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eaclSignature := new(refs.Signature)
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eaclSignature.SetKey(key)
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eaclSignature.SetSign(sig)
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reqBody.SetSignature(eaclSignature)
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}, signature.SignWithRFC6979())
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if err != nil {
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return err
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}
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req := new(v2container.SetExtendedACLRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err = v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return err
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}
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resp, err := rpcapi.SetEACL(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return errors.Wrap(err, "transport error")
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return errors.Wrap(err, "can't verify response message")
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}
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return nil
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}
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// AnnounceContainerUsedSpace used by storage nodes to estimate their container
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// sizes during lifetime. Use it only in storage node applications.
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func (c *clientImpl) AnnounceContainerUsedSpace(
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ctx context.Context,
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announce []container.UsedSpaceAnnouncement,
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opts ...CallOption) error {
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callOptions := c.defaultCallOptions() // apply all available options
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for i := range opts {
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opts[i](callOptions)
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}
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// convert list of SDK announcement structures into NeoFS-API v2 list
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v2announce := make([]*v2container.UsedSpaceAnnouncement, 0, len(announce))
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for i := range announce {
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v2announce = append(v2announce, announce[i].ToV2())
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}
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// prepare body of the NeoFS-API v2 request and request itself
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reqBody := new(v2container.AnnounceUsedSpaceRequestBody)
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reqBody.SetAnnouncements(v2announce)
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req := new(v2container.AnnounceUsedSpaceRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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// sign the request
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err := v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return err
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}
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resp, err := rpcapi.AnnounceUsedSpace(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return errors.Wrap(err, "transport error")
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return errors.Wrap(err, "can't verify response message")
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}
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return nil
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}
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