336 lines
8.1 KiB
Go
336 lines
8.1 KiB
Go
package morph
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"sort"
|
|
|
|
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
|
|
"github.com/nspcc-dev/neo-go/pkg/io"
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
|
|
"github.com/nspcc-dev/neo-go/pkg/util"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm/emit"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
|
|
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
|
|
"github.com/spf13/cobra"
|
|
"github.com/spf13/viper"
|
|
)
|
|
|
|
var errInvalidContainerResponse = errors.New("invalid response from container contract")
|
|
|
|
func dumpContainers(cmd *cobra.Command, _ []string) error {
|
|
filename, err := cmd.Flags().GetString(containerDumpFlag)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid filename: %w", err)
|
|
}
|
|
|
|
c, err := getN3Client(viper.GetViper())
|
|
if err != nil {
|
|
return fmt.Errorf("can't create N3 client: %w", err)
|
|
}
|
|
|
|
nnsCs, err := c.GetContractStateByID(1)
|
|
if err != nil {
|
|
return fmt.Errorf("can't get NNS contract state: %w", err)
|
|
}
|
|
|
|
var ch util.Uint160
|
|
s, err := cmd.Flags().GetString(containerContractFlag)
|
|
if err == nil {
|
|
ch, err = util.Uint160DecodeStringLE(s)
|
|
}
|
|
if err != nil {
|
|
ch, err = nnsResolveHash(c, nnsCs.Hash, containerContract+".neofs")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
res, err := c.InvokeFunction(ch, "list",
|
|
[]smartcontract.Parameter{{Type: smartcontract.StringType, Value: ""}}, nil)
|
|
if err != nil {
|
|
return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
|
|
}
|
|
|
|
var cids [][]byte
|
|
arr, ok := res.Stack[0].Value().([]stackitem.Item)
|
|
if !ok {
|
|
return fmt.Errorf("%w: not a struct", errInvalidContainerResponse)
|
|
}
|
|
for _, item := range arr {
|
|
id, err := item.TryBytes()
|
|
if err != nil {
|
|
return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
|
|
}
|
|
cids = append(cids, id)
|
|
}
|
|
|
|
isOK, err := getCIDFilterFunc(cmd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var containers []*Container
|
|
bw := io.NewBufBinWriter()
|
|
for _, id := range cids {
|
|
if !isOK(id) {
|
|
continue
|
|
}
|
|
bw.Reset()
|
|
emit.AppCall(bw.BinWriter, ch, "get", callflag.All, id)
|
|
emit.AppCall(bw.BinWriter, ch, "eACL", callflag.All, id)
|
|
res, err := c.InvokeScript(bw.Bytes(), nil)
|
|
if err != nil {
|
|
return fmt.Errorf("can't get container info: %w", err)
|
|
}
|
|
if len(res.Stack) != 2 {
|
|
return fmt.Errorf("%w: expected 2 items on stack", errInvalidContainerResponse)
|
|
}
|
|
|
|
cnt := new(Container)
|
|
err = cnt.FromStackItem(res.Stack[0])
|
|
if err != nil {
|
|
return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
|
|
}
|
|
|
|
ea := new(EACL)
|
|
err = ea.FromStackItem(res.Stack[1])
|
|
if err != nil {
|
|
return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
|
|
}
|
|
if len(ea.Value) != 0 {
|
|
cnt.EACL = ea
|
|
}
|
|
|
|
containers = append(containers, cnt)
|
|
}
|
|
|
|
out, err := json.Marshal(containers)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return ioutil.WriteFile(filename, out, 0o660)
|
|
}
|
|
|
|
func restoreContainers(cmd *cobra.Command, _ []string) error {
|
|
filename, err := cmd.Flags().GetString(containerDumpFlag)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid filename: %w", err)
|
|
}
|
|
|
|
wCtx, err := newInitializeContext(cmd, viper.GetViper())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
nnsCs, err := wCtx.Client.GetContractStateByID(1)
|
|
if err != nil {
|
|
return fmt.Errorf("can't get NNS contract state: %w", err)
|
|
}
|
|
|
|
ch, err := nnsResolveHash(wCtx.Client, nnsCs.Hash, containerContract+".neofs")
|
|
if err != nil {
|
|
return fmt.Errorf("can't fetch container contract hash: %w", err)
|
|
}
|
|
|
|
data, err := ioutil.ReadFile(filename)
|
|
if err != nil {
|
|
return fmt.Errorf("can't read dump file: %w", err)
|
|
}
|
|
|
|
var containers []Container
|
|
err = json.Unmarshal(data, &containers)
|
|
if err != nil {
|
|
return fmt.Errorf("can't parse dump file: %w", err)
|
|
}
|
|
|
|
isOK, err := getCIDFilterFunc(cmd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
bw := io.NewBufBinWriter()
|
|
for _, cnt := range containers {
|
|
hv := hash.Sha256(cnt.Value)
|
|
if !isOK(hv[:]) {
|
|
continue
|
|
}
|
|
bw.Reset()
|
|
emit.AppCall(bw.BinWriter, ch, "get", callflag.All, hv.BytesBE())
|
|
res, err := wCtx.Client.InvokeScript(bw.Bytes(), nil)
|
|
if err != nil {
|
|
return fmt.Errorf("can't check if container is already restored: %w", err)
|
|
}
|
|
if len(res.Stack) == 0 {
|
|
return errors.New("empty stack")
|
|
}
|
|
|
|
old := new(Container)
|
|
if err := old.FromStackItem(res.Stack[0]); err != nil {
|
|
return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
|
|
}
|
|
if len(old.Value) != 0 {
|
|
id := cid.New()
|
|
id.SetSHA256(hv)
|
|
cmd.Printf("Container %s is already deployed.\n", id)
|
|
continue
|
|
}
|
|
|
|
bw.Reset()
|
|
emit.AppCall(bw.BinWriter, ch, "put", callflag.All,
|
|
cnt.Value, cnt.Signature, cnt.PublicKey, cnt.Token)
|
|
if ea := cnt.EACL; ea != nil {
|
|
emit.AppCall(bw.BinWriter, ch, "setEACL", callflag.All,
|
|
ea.Value, ea.Signature, ea.PublicKey, ea.Token)
|
|
}
|
|
if bw.Err != nil {
|
|
panic(bw.Err)
|
|
}
|
|
|
|
if err := wCtx.sendCommitteeTx(bw.Bytes(), -1); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return wCtx.awaitTx()
|
|
}
|
|
|
|
// Container represents container struct in contract storage.
|
|
type Container struct {
|
|
Value []byte `json:"value"`
|
|
Signature []byte `json:"signature"`
|
|
PublicKey []byte `json:"public_key"`
|
|
Token []byte `json:"token"`
|
|
EACL *EACL `json:"eacl"`
|
|
}
|
|
|
|
// EACL represents extended ACL struct in contract storage.
|
|
type EACL struct {
|
|
Value []byte `json:"value"`
|
|
Signature []byte `json:"signature"`
|
|
PublicKey []byte `json:"public_key"`
|
|
Token []byte `json:"token"`
|
|
}
|
|
|
|
// ToStackItem implements stackitem.Convertible.
|
|
func (c *Container) ToStackItem() (stackitem.Item, error) {
|
|
return stackitem.NewStruct([]stackitem.Item{
|
|
stackitem.NewByteArray(c.Value),
|
|
stackitem.NewByteArray(c.Signature),
|
|
stackitem.NewByteArray(c.PublicKey),
|
|
stackitem.NewByteArray(c.Token),
|
|
}), nil
|
|
}
|
|
|
|
// FromStackItem implements stackitem.Convertible.
|
|
func (c *Container) FromStackItem(item stackitem.Item) error {
|
|
arr, ok := item.Value().([]stackitem.Item)
|
|
if !ok || len(arr) != 4 {
|
|
return errors.New("invalid stack item type")
|
|
}
|
|
|
|
value, err := arr[0].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid container value")
|
|
}
|
|
|
|
sig, err := arr[1].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid container signature")
|
|
}
|
|
|
|
pub, err := arr[2].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid container public key")
|
|
}
|
|
|
|
tok, err := arr[3].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid container token")
|
|
}
|
|
|
|
c.Value = value
|
|
c.Signature = sig
|
|
c.PublicKey = pub
|
|
c.Token = tok
|
|
return nil
|
|
}
|
|
|
|
// ToStackItem implements stackitem.Convertible.
|
|
func (c *EACL) ToStackItem() (stackitem.Item, error) {
|
|
return stackitem.NewStruct([]stackitem.Item{
|
|
stackitem.NewByteArray(c.Value),
|
|
stackitem.NewByteArray(c.Signature),
|
|
stackitem.NewByteArray(c.PublicKey),
|
|
stackitem.NewByteArray(c.Token),
|
|
}), nil
|
|
}
|
|
|
|
// FromStackItem implements stackitem.Convertible.
|
|
func (c *EACL) FromStackItem(item stackitem.Item) error {
|
|
arr, ok := item.Value().([]stackitem.Item)
|
|
if !ok || len(arr) != 4 {
|
|
return errors.New("invalid stack item type")
|
|
}
|
|
|
|
value, err := arr[0].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid eACL value")
|
|
}
|
|
|
|
sig, err := arr[1].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid eACL signature")
|
|
}
|
|
|
|
pub, err := arr[2].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid eACL public key")
|
|
}
|
|
|
|
tok, err := arr[3].TryBytes()
|
|
if err != nil {
|
|
return errors.New("invalid eACL token")
|
|
}
|
|
|
|
c.Value = value
|
|
c.Signature = sig
|
|
c.PublicKey = pub
|
|
c.Token = tok
|
|
return nil
|
|
}
|
|
|
|
// getCIDFilterFunc returns filtering function for container IDs.
|
|
// Raw byte slices are used because it works with structures returned
|
|
// from contract.
|
|
func getCIDFilterFunc(cmd *cobra.Command) (func([]byte) bool, error) {
|
|
rawIDs, err := cmd.Flags().GetStringSlice(containerIDsFlag)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(rawIDs) == 0 {
|
|
return func([]byte) bool { return true }, nil
|
|
}
|
|
|
|
for i := range rawIDs {
|
|
err := cid.New().Parse(rawIDs[i])
|
|
if err != nil {
|
|
return nil, fmt.Errorf("can't parse CID %s: %w", rawIDs[i], err)
|
|
}
|
|
}
|
|
sort.Strings(rawIDs)
|
|
return func(rawID []byte) bool {
|
|
var v [32]byte
|
|
copy(v[:], rawID)
|
|
|
|
id := cid.New()
|
|
id.SetSHA256(v)
|
|
idStr := id.String()
|
|
n := sort.Search(len(rawIDs), func(i int) bool { return rawIDs[i] >= idStr })
|
|
return n < len(rawIDs) && rawIDs[n] == idStr
|
|
}, nil
|
|
}
|