package morph import ( "errors" "fmt" "io/ioutil" "path" "time" "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/rpc/client" "github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/wallet" "github.com/nspcc-dev/neofs-node/cmd/neofs-adm/internal/modules/config" "github.com/nspcc-dev/neofs-node/pkg/innerring" "github.com/spf13/cobra" "github.com/spf13/viper" ) type initializeContext struct { Client *client.Client // CommitteeAcc is used for retrieving committee address and verification script. CommitteeAcc *wallet.Account // ConsensusAcc is used for retrieving committee address and verification script. ConsensusAcc *wallet.Account Wallets []*wallet.Wallet Hashes []util.Uint256 WaitDuration time.Duration PollInterval time.Duration Contracts map[string]*contractState Command *cobra.Command ContractPath string Natives map[string]util.Uint160 } func initializeSideChainCmd(cmd *cobra.Command, args []string) error { initCtx, err := newInitializeContext(cmd, viper.GetViper()) if err != nil { return fmt.Errorf("initialization error: %w", err) } // 1. Transfer funds to committee accounts. cmd.Println("Stage 1: transfer GAS to alphabet nodes.") if err := initCtx.transferFunds(); err != nil { return err } cmd.Println("Stage 2: set notary and alphabet nodes in designate contract.") if err := initCtx.setNotaryAndAlphabetNodes(); err != nil { return err } // 3. Deploy NNS contract. cmd.Println("Stage 3: deploy NNS contract.") if err := initCtx.deployNNS(); err != nil { return err } // 4. Deploy NeoFS contracts. cmd.Println("Stage 4: deploy NeoFS contracts.") if err := initCtx.deployContracts(); err != nil { return err } cmd.Println("Stage 4.1: Transfer GAS to proxy contract.") if err := initCtx.transferGASToProxy(); err != nil { return err } cmd.Println("Stage 5: register candidates.") if err := initCtx.registerCandidates(); err != nil { return err } cmd.Println("Stage 6: transfer NEO to alphabet contracts.") if err := initCtx.transferNEOToAlphabetContracts(); err != nil { return err } cmd.Println("Stage 7: set addresses in NNS.") if err := initCtx.setNNS(); err != nil { return err } return nil } func newInitializeContext(cmd *cobra.Command, v *viper.Viper) (*initializeContext, error) { walletDir := v.GetString(alphabetWalletsFlag) wallets, err := openAlphabetWallets(walletDir) if err != nil { return nil, err } c, err := getN3Client(v) if err != nil { return nil, fmt.Errorf("can't create N3 client: %w", err) } committeeAcc, err := getWalletAccount(wallets[0], committeeAccountName) if err != nil { return nil, fmt.Errorf("can't find committee account: %w", err) } consensusAcc, err := getWalletAccount(wallets[0], consensusAccountName) if err != nil { return nil, fmt.Errorf("can't find consensus account: %w", err) } if cmd.Name() == "init" { if viper.GetInt64(epochDurationInitFlag) <= 0 { return nil, fmt.Errorf("epoch duration must be positive") } if viper.GetInt64(maxObjectSizeInitFlag) <= 0 { return nil, fmt.Errorf("max object size must be positive") } } ctrPath, err := cmd.Flags().GetString(contractsInitFlag) if err != nil { return nil, fmt.Errorf("missing contracts path: %w", err) } ns, err := c.GetNativeContracts() if err != nil { return nil, fmt.Errorf("can't get native contract hashes: %w", err) } nativeHashes := make(map[string]util.Uint160, len(ns)) for i := range ns { nativeHashes[ns[i].Manifest.Name] = ns[i].Hash } initCtx := &initializeContext{ Client: c, ConsensusAcc: consensusAcc, CommitteeAcc: committeeAcc, Wallets: wallets, WaitDuration: time.Second * 30, PollInterval: time.Second, Command: cmd, Contracts: make(map[string]*contractState), ContractPath: ctrPath, Natives: nativeHashes, } return initCtx, nil } func (c *initializeContext) nativeHash(name string) util.Uint160 { return c.Natives[name] } func openAlphabetWallets(walletDir string) ([]*wallet.Wallet, error) { walletFiles, err := ioutil.ReadDir(walletDir) if err != nil { return nil, fmt.Errorf("can't read alphabet wallets dir: %w", err) } size := len(walletFiles) 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++ { p := path.Join(walletDir, innerring.GlagoliticLetter(i).String()+".json") w, err := wallet.NewWalletFromFile(p) if err != nil { return nil, fmt.Errorf("can't open wallet: %w", err) } password, err := config.AlphabetPassword(viper.GetViper(), i) 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 (c *initializeContext) awaitTx() error { if len(c.Hashes) == 0 { return nil } c.Command.Println("Waiting for transactions to persist...") tick := time.NewTicker(c.PollInterval) defer tick.Stop() timer := time.NewTimer(c.WaitDuration) defer timer.Stop() at := trigger.Application loop: for i := range c.Hashes { _, err := c.Client.GetApplicationLog(c.Hashes[i], &at) if err == nil { continue loop } for { select { case <-tick.C: _, err := c.Client.GetApplicationLog(c.Hashes[i], &at) if err == nil { continue loop } case <-timer.C: return errors.New("timeout while waiting for transaction to persist") } } } return nil } func (c *initializeContext) sendCommitteeTx(script []byte, sysFee int64) error { tx, err := c.Client.CreateTxFromScript(script, c.CommitteeAcc, sysFee, 0, []client.SignerAccount{{ Signer: transaction.Signer{ Account: c.CommitteeAcc.Contract.ScriptHash(), Scopes: transaction.Global, }, Account: c.CommitteeAcc, }}) if err != nil { return fmt.Errorf("can't create tx: %w", err) } return c.multiSignAndSend(tx, committeeAccountName) } func getWalletAccount(w *wallet.Wallet, typ string) (*wallet.Account, error) { for i := range w.Accounts { if w.Accounts[i].Label == typ { return w.Accounts[i], nil } } return nil, fmt.Errorf("account for '%s' not found", typ) }