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

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package morph
import (
"errors"
"fmt"
"os"
"path/filepath"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/config"
morphUtil "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/util"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
"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/opcode"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"golang.org/x/sync/errgroup"
)
func generateAlphabetCreds(cmd *cobra.Command, _ []string) error {
// alphabet size is not part of the config
size, err := cmd.Flags().GetUint(alphabetSizeFlag)
if err != nil {
return err
}
if size == 0 {
return errors.New("size must be > 0")
}
if size > morphUtil.MaxAlphabetNodes {
return morphUtil.ErrTooManyAlphabetNodes
}
v := viper.GetViper()
walletDir := config.ResolveHomePath(viper.GetString(morphUtil.AlphabetWalletsFlag))
pwds, err := initializeWallets(v, walletDir, int(size))
if err != nil {
return err
}
_, err = initializeContractWallet(v, walletDir)
if err != nil {
return err
}
cmd.Println("size:", size)
cmd.Println("alphabet-wallets:", walletDir)
for i := range pwds {
cmd.Printf("wallet[%d]: %s\n", i, pwds[i])
}
return nil
}
func initializeWallets(v *viper.Viper, walletDir string, size int) ([]string, error) {
wallets := make([]*wallet.Wallet, size)
pubs := make(keys.PublicKeys, size)
passwords := make([]string, size)
for i := range wallets {
password, err := config.GetPassword(v, innerring.GlagoliticLetter(i).String())
if err != nil {
return nil, fmt.Errorf("can't fetch password: %w", err)
}
p := filepath.Join(walletDir, innerring.GlagoliticLetter(i).String()+".json")
f, err := os.OpenFile(p, os.O_CREATE, 0o644)
if err != nil {
return nil, fmt.Errorf("can't create wallet file: %w", err)
}
if err := f.Close(); err != nil {
return nil, fmt.Errorf("can't close wallet file: %w", err)
}
w, err := wallet.NewWallet(p)
if err != nil {
return nil, fmt.Errorf("can't create wallet: %w", err)
}
if err := w.CreateAccount(morphUtil.SingleAccountName, password); err != nil {
return nil, fmt.Errorf("can't create account: %w", err)
}
passwords[i] = password
wallets[i] = w
pubs[i] = w.Accounts[0].PrivateKey().PublicKey()
}
var errG errgroup.Group
// Create committee account with N/2+1 multi-signature.
majCount := smartcontract.GetMajorityHonestNodeCount(size)
// Create consensus account with 2*N/3+1 multi-signature.
bftCount := smartcontract.GetDefaultHonestNodeCount(size)
for i := range wallets {
i := i
ps := pubs.Copy()
errG.Go(func() error {
if err := addMultisigAccount(wallets[i], majCount, morphUtil.CommitteeAccountName, passwords[i], ps); err != nil {
return fmt.Errorf("can't create committee account: %w", err)
}
if err := addMultisigAccount(wallets[i], bftCount, morphUtil.ConsensusAccountName, passwords[i], ps); err != nil {
return fmt.Errorf("can't create consentus account: %w", err)
}
if err := wallets[i].SavePretty(); err != nil {
return fmt.Errorf("can't save wallet: %w", err)
}
return nil
})
}
if err := errG.Wait(); err != nil {
return nil, err
}
return passwords, nil
}
func addMultisigAccount(w *wallet.Wallet, m int, name, password string, pubs keys.PublicKeys) error {
acc := wallet.NewAccountFromPrivateKey(w.Accounts[0].PrivateKey())
acc.Label = name
if err := acc.ConvertMultisig(m, pubs); err != nil {
return err
}
if err := acc.Encrypt(password, keys.NEP2ScryptParams()); err != nil {
return err
}
w.AddAccount(acc)
return nil
}
func generateStorageCreds(cmd *cobra.Command, _ []string) error {
return refillGas(cmd, storageGasConfigFlag, true)
}
func refillGas(cmd *cobra.Command, gasFlag string, createWallet bool) (err error) {
// storage wallet path is not part of the config
storageWalletPath, _ := cmd.Flags().GetString(storageWalletFlag)
// wallet address is not part of the config
walletAddress, _ := cmd.Flags().GetString(walletAddressFlag)
var gasReceiver util.Uint160
if len(walletAddress) != 0 {
gasReceiver, err = address.StringToUint160(walletAddress)
if err != nil {
return fmt.Errorf("invalid wallet address %s: %w", walletAddress, err)
}
} else {
if storageWalletPath == "" {
return fmt.Errorf("missing wallet path (use '--%s <out.json>')", storageWalletFlag)
}
var w *wallet.Wallet
if createWallet {
w, err = wallet.NewWallet(storageWalletPath)
} else {
w, err = wallet.NewWalletFromFile(storageWalletPath)
}
if err != nil {
return fmt.Errorf("can't create wallet: %w", err)
}
if createWallet {
var password string
label, _ := cmd.Flags().GetString(storageWalletLabelFlag)
password, err := config.GetStoragePassword(viper.GetViper(), label)
if err != nil {
return fmt.Errorf("can't fetch password: %w", err)
}
if label == "" {
label = morphUtil.SingleAccountName
}
if err := w.CreateAccount(label, password); err != nil {
return fmt.Errorf("can't create account: %w", err)
}
}
gasReceiver = w.Accounts[0].Contract.ScriptHash()
}
gasStr := viper.GetString(gasFlag)
gasAmount, err := parseGASAmount(gasStr)
if err != nil {
return err
}
wCtx, err := newInitializeContext(cmd, viper.GetViper())
if err != nil {
return err
}
bw := io.NewBufBinWriter()
emit.AppCall(bw.BinWriter, gas.Hash, "transfer", callflag.All,
wCtx.CommitteeAcc.Contract.ScriptHash(), gasReceiver, int64(gasAmount), nil)
emit.Opcodes(bw.BinWriter, opcode.ASSERT)
if bw.Err != nil {
return fmt.Errorf("BUG: invalid transfer arguments: %w", bw.Err)
}
if err := wCtx.sendCommitteeTx(bw.Bytes(), false); err != nil {
return err
}
return wCtx.awaitTx()
}
func parseGASAmount(s string) (fixedn.Fixed8, error) {
gasAmount, err := fixedn.Fixed8FromString(s)
if err != nil {
return 0, fmt.Errorf("invalid GAS amount %s: %w", s, err)
}
if gasAmount <= 0 {
return 0, fmt.Errorf("GAS amount must be positive (got %d)", gasAmount)
}
return gasAmount, nil
}