frostfs-node/cmd/frostfs-adm/internal/modules/morph/util/util.go

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package util
import (
"archive/tar"
"compress/gzip"
"errors"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/config"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/spf13/viper"
)
func GetAlphabetWallets(v *viper.Viper, walletDir string) ([]*wallet.Wallet, error) {
wallets, err := openAlphabetWallets(v, walletDir)
if err != nil {
return nil, err
}
if len(wallets) > MaxAlphabetNodes {
return nil, ErrTooManyAlphabetNodes
}
return wallets, nil
}
func openAlphabetWallets(v *viper.Viper, walletDir string) ([]*wallet.Wallet, error) {
walletFiles, err := os.ReadDir(walletDir)
if err != nil {
return nil, fmt.Errorf("can't read alphabet wallets dir: %w", err)
}
var size int
loop:
for i := 0; i < len(walletFiles); i++ {
name := innerring.GlagoliticLetter(i).String() + ".json"
for j := range walletFiles {
if walletFiles[j].Name() == name {
size++
continue loop
}
}
break
}
if size == 0 {
return nil, errors.New("alphabet wallets dir is empty (run `generate-alphabet` command first)")
}
wallets := make([]*wallet.Wallet, size)
for i := 0; i < size; i++ {
letter := innerring.GlagoliticLetter(i).String()
p := filepath.Join(walletDir, letter+".json")
w, err := wallet.NewWalletFromFile(p)
if err != nil {
return nil, fmt.Errorf("can't open wallet: %w", err)
}
password, err := config.GetPassword(v, letter)
if err != nil {
return nil, fmt.Errorf("can't fetch password: %w", err)
}
for i := range w.Accounts {
if err := w.Accounts[i].Decrypt(password, keys.NEP2ScryptParams()); err != nil {
return nil, fmt.Errorf("can't unlock wallet: %w", err)
}
}
wallets[i] = w
}
return wallets, nil
}
func NewActor(c actor.RPCActor, committeeAcc *wallet.Account) (*actor.Actor, error) {
return actor.New(c, []actor.SignerAccount{{
Signer: transaction.Signer{
Account: committeeAcc.Contract.ScriptHash(),
Scopes: transaction.Global,
},
Account: committeeAcc,
}})
}
func ReadContract(ctrPath, ctrName string) (*ContractState, error) {
rawNef, err := os.ReadFile(filepath.Join(ctrPath, ctrName+"_contract.nef"))
if err != nil {
return nil, fmt.Errorf("can't read NEF file for %s contract: %w", ctrName, err)
}
rawManif, err := os.ReadFile(filepath.Join(ctrPath, "config.json"))
if err != nil {
return nil, fmt.Errorf("can't read manifest file for %s contract: %w", ctrName, err)
}
cs := &ContractState{
RawNEF: rawNef,
RawManifest: rawManif,
}
return cs, cs.Parse()
}
func readContractsFromArchive(file io.Reader, names []string) (map[string]*ContractState, error) {
m := make(map[string]*ContractState, len(names))
for i := range names {
m[names[i]] = new(ContractState)
}
gr, err := gzip.NewReader(file)
if err != nil {
return nil, fmt.Errorf("contracts file must be tar.gz archive: %w", err)
}
r := tar.NewReader(gr)
for h, err := r.Next(); ; h, err = r.Next() {
if err != nil {
break
}
dir, _ := filepath.Split(h.Name)
ctrName := filepath.Base(dir)
cs, ok := m[ctrName]
if !ok {
continue
}
switch {
case strings.HasSuffix(h.Name, filepath.Join(ctrName, ctrName+"_contract.nef")):
cs.RawNEF, err = io.ReadAll(r)
if err != nil {
return nil, fmt.Errorf("can't read NEF file for %s contract: %w", ctrName, err)
}
case strings.HasSuffix(h.Name, "config.json"):
cs.RawManifest, err = io.ReadAll(r)
if err != nil {
return nil, fmt.Errorf("can't read manifest file for %s contract: %w", ctrName, err)
}
}
m[ctrName] = cs
}
for ctrName, cs := range m {
if cs.RawNEF == nil {
return nil, fmt.Errorf("NEF for %s contract wasn't found", ctrName)
}
if cs.RawManifest == nil {
return nil, fmt.Errorf("manifest for %s contract wasn't found", ctrName)
}
}
return m, nil
}