frostfs-node/pkg/morph/client/container/wrapper/eacl.go

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2020-07-24 13:54:03 +00:00
package wrapper
import (
eacl "github.com/nspcc-dev/neofs-api-go/acl/extended"
"github.com/nspcc-dev/neofs-node/pkg/core/container/acl/extended/storage"
contract "github.com/nspcc-dev/neofs-node/pkg/morph/client/container"
"github.com/pkg/errors"
)
// Table represents extended ACL rule table.
//
// It is a type alias of
// github.com/nspcc-dev/neofs-node/pkg/core/container/acl/extended/storage.Table.
type Table = storage.Table
// GetEACL reads the extended ACL table from NeoFS system
// through Container contract call.
func (w *Wrapper) GetEACL(cid CID) (Table, error) {
// prepare invocation arguments
args := contract.EACLArgs{}
args.SetCID(cid.Bytes())
// invoke smart contract call
values, err := w.client.EACL(args)
if err != nil {
return nil, errors.Wrap(err, "could not invoke smart contract")
}
// unmarshal and return eACL table
return eacl.UnmarshalTable(values.EACL())
}
// PutEACL saves the extended ACL table in NeoFS system
// through Container contract call.
//
// Returns any error encountered that caused the saving to interrupt.
func (w *Wrapper) PutEACL(cid CID, table Table, sig []byte) error {
// prepare invocation arguments
args := contract.SetEACLArgs{}
args.SetEACL(eacl.MarshalTable(table))
args.SetCID(cid.Bytes())
args.SetSignature(sig)
// invoke smart contract call
//
// Note: errors.Wrap return nil on nil error arg.
return errors.Wrap(
w.client.SetEACL(args),
"could not invoke smart contract",
)
}