[#755] neofs-adm: allow to dump active containers
`morph dump-containers` will dump all containers from the contaner contract. JSON format is chosen to allow manual intervention. Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov
Alex Vanin
parent
58e8d6e1fd
commit
a013dcbab5
2 changed files with 216 additions and 0 deletions
202
cmd/neofs-adm/internal/modules/morph/container.go
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202
cmd/neofs-adm/internal/modules/morph/container.go
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@ -0,0 +1,202 @@
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package morph
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var errInvalidContainerResponse = errors.New("invalid response from container contract")
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func dumpContainers(cmd *cobra.Command, _ []string) error {
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filename, err := cmd.Flags().GetString(containerDumpFlag)
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if err != nil {
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return fmt.Errorf("invalid filename: %w", err)
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}
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c, err := getN3Client(viper.GetViper())
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if err != nil {
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return fmt.Errorf("can't create N3 client: %w", err)
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}
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nnsCs, err := c.GetContractStateByID(1)
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if err != nil {
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return fmt.Errorf("can't get NNS contract state: %w", err)
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}
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ch, err := nnsResolveHash(c, nnsCs.Hash, containerContract+".neofs")
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if err != nil {
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return fmt.Errorf("can't fetch container contract hash: %w", err)
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}
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res, err := c.InvokeFunction(ch, "list",
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[]smartcontract.Parameter{{Type: smartcontract.StringType, Value: ""}}, nil)
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if err != nil {
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return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
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}
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var cids [][]byte
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arr, ok := res.Stack[0].Value().([]stackitem.Item)
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if !ok {
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return fmt.Errorf("%w: not a struct", errInvalidContainerResponse)
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}
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for _, item := range arr {
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id, err := item.TryBytes()
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if err != nil {
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return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
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}
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cids = append(cids, id)
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}
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var containers []*Container
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bw := io.NewBufBinWriter()
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for _, id := range cids {
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bw.Reset()
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emit.AppCall(bw.BinWriter, ch, "get", callflag.All, id)
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emit.AppCall(bw.BinWriter, ch, "eACL", callflag.All, id)
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res, err := c.InvokeScript(bw.Bytes(), nil)
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if err != nil {
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return fmt.Errorf("can't get container info: %w", err)
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}
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if len(res.Stack) != 2 {
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return fmt.Errorf("%w: expected 2 items on stack", errInvalidContainerResponse)
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}
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cnt := new(Container)
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err = cnt.FromStackItem(res.Stack[0])
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if err != nil {
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return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
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}
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ea := new(EACL)
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err = ea.FromStackItem(res.Stack[1])
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if err != nil {
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return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
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}
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if len(ea.Value) != 0 {
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cnt.EACL = ea
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}
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containers = append(containers, cnt)
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}
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out, err := json.Marshal(containers)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(filename, out, 0o660)
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}
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// Container represents container struct in contract storage.
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type Container struct {
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Value []byte `json:"value"`
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Signature []byte `json:"signature"`
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PublicKey []byte `json:"public_key"`
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Token []byte `json:"token"`
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EACL *EACL `json:"eacl"`
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}
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// EACL represents extended ACL struct in contract storage.
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type EACL struct {
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Value []byte `json:"value"`
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Signature []byte `json:"signature"`
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PublicKey []byte `json:"public_key"`
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Token []byte `json:"token"`
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}
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// ToStackItem implements stackitem.Convertible.
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func (c *Container) ToStackItem() (stackitem.Item, error) {
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return stackitem.NewStruct([]stackitem.Item{
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stackitem.NewByteArray(c.Value),
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stackitem.NewByteArray(c.Signature),
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stackitem.NewByteArray(c.PublicKey),
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stackitem.NewByteArray(c.Token),
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}), nil
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}
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// FromStackItem implements stackitem.Convertible.
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func (c *Container) FromStackItem(item stackitem.Item) error {
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arr, ok := item.Value().([]stackitem.Item)
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if !ok || len(arr) != 4 {
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return errors.New("invalid stack item type")
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}
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value, err := arr[0].TryBytes()
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if err != nil {
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return errors.New("invalid container value")
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}
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sig, err := arr[1].TryBytes()
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if err != nil {
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return errors.New("invalid container signature")
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}
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pub, err := arr[2].TryBytes()
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if err != nil {
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return errors.New("invalid container public key")
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}
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tok, err := arr[3].TryBytes()
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if err != nil {
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return errors.New("invalid container token")
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}
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c.Value = value
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c.Signature = sig
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c.PublicKey = pub
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c.Token = tok
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return nil
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}
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// ToStackItem implements stackitem.Convertible.
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func (c *EACL) ToStackItem() (stackitem.Item, error) {
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return stackitem.NewStruct([]stackitem.Item{
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stackitem.NewByteArray(c.Value),
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stackitem.NewByteArray(c.Signature),
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stackitem.NewByteArray(c.PublicKey),
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stackitem.NewByteArray(c.Token),
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}), nil
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}
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// FromStackItem implements stackitem.Convertible.
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func (c *EACL) FromStackItem(item stackitem.Item) error {
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arr, ok := item.Value().([]stackitem.Item)
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if !ok || len(arr) != 4 {
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return errors.New("invalid stack item type")
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}
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value, err := arr[0].TryBytes()
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if err != nil {
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return errors.New("invalid eACL value")
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}
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sig, err := arr[1].TryBytes()
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if err != nil {
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return errors.New("invalid eACL signature")
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}
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pub, err := arr[2].TryBytes()
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if err != nil {
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return errors.New("invalid eACL public key")
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}
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tok, err := arr[3].TryBytes()
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if err != nil {
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return errors.New("invalid eACL token")
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}
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c.Value = value
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c.Signature = sig
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c.PublicKey = pub
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c.Token = tok
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return nil
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}
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@ -27,6 +27,7 @@ const (
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candidateFeeCLIFlag = "candidate-fee"
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withdrawFeeInitFlag = "network.fee.withdraw"
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withdrawFeeCLIFlag = "withdraw-fee"
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containerDumpFlag = "dump"
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)
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var (
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@ -111,6 +112,15 @@ var (
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},
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RunE: updateContracts,
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}
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dumpContainersCmd = &cobra.Command{
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Use: "dump-containers",
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Short: "Dump NeoFS containers to file.",
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PreRun: func(cmd *cobra.Command, _ []string) {
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_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
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},
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RunE: dumpContainers,
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}
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)
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func init() {
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@ -145,4 +155,8 @@ func init() {
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updateContractsCmd.Flags().String(alphabetWalletsFlag, "", "path to alphabet wallets dir")
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updateContractsCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
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updateContractsCmd.Flags().String(contractsInitFlag, "", "path to archive with compiled NeoFS contracts (default fetched from latest github release)")
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RootCmd.AddCommand(dumpContainersCmd)
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dumpContainersCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
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dumpContainersCmd.Flags().String(containerDumpFlag, "", "file where to save dumped containers")
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}
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