package wallet import ( "fmt" "github.com/nspcc-dev/neo-go/cli/cmdargs" "github.com/nspcc-dev/neo-go/cli/flags" "github.com/nspcc-dev/neo-go/cli/input" "github.com/nspcc-dev/neo-go/cli/options" "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/encoding/address" "github.com/nspcc-dev/neo-go/pkg/rpcclient/actor" "github.com/nspcc-dev/neo-go/pkg/rpcclient/neo" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/wallet" "github.com/urfave/cli" ) func newValidatorCommands() []cli.Command { return []cli.Command{ { Name: "register", Usage: "register as a new candidate", UsageText: "register -w -r -a ", Action: handleRegister, Flags: append([]cli.Flag{ walletPathFlag, walletConfigFlag, gasFlag, flags.AddressFlag{ Name: "address, a", Usage: "Address to register", }, }, options.RPC...), }, { Name: "unregister", Usage: "unregister self as a candidate", UsageText: "unregister -w -r -a ", Action: handleUnregister, Flags: append([]cli.Flag{ walletPathFlag, walletConfigFlag, gasFlag, flags.AddressFlag{ Name: "address, a", Usage: "Address to unregister", }, }, options.RPC...), }, { Name: "vote", Usage: "vote for a validator", UsageText: "vote -w -r [-s ] [-g gas] -a [-c ]", Description: `Votes for a validator by calling "vote" method of a NEO native contract. Do not provide candidate argument to perform unvoting. `, Action: handleVote, Flags: append([]cli.Flag{ walletPathFlag, walletConfigFlag, gasFlag, flags.AddressFlag{ Name: "address, a", Usage: "Address to vote from", }, cli.StringFlag{ Name: "candidate, c", Usage: "Public key of candidate to vote for", }, }, options.RPC...), }, } } func handleRegister(ctx *cli.Context) error { return handleNeoAction(ctx, func(contract *neo.Contract, _ util.Uint160, acc *wallet.Account) (*transaction.Transaction, error) { return contract.RegisterCandidateUnsigned(acc.PublicKey()) }) } func handleUnregister(ctx *cli.Context) error { return handleNeoAction(ctx, func(contract *neo.Contract, _ util.Uint160, acc *wallet.Account) (*transaction.Transaction, error) { return contract.UnregisterCandidateUnsigned(acc.PublicKey()) }) } func handleNeoAction(ctx *cli.Context, mkTx func(*neo.Contract, util.Uint160, *wallet.Account) (*transaction.Transaction, error)) error { if err := cmdargs.EnsureNone(ctx); err != nil { return err } wall, pass, err := readWallet(ctx) if err != nil { return cli.NewExitError(err, 1) } defer wall.Close() addrFlag := ctx.Generic("address").(*flags.Address) if !addrFlag.IsSet { return cli.NewExitError("address was not provided", 1) } addr := addrFlag.Uint160() acc, err := getDecryptedAccount(wall, addr, pass) if err != nil { return cli.NewExitError(err, 1) } gctx, cancel := options.GetTimeoutContext(ctx) defer cancel() c, err := options.GetRPCClient(gctx, ctx) if err != nil { return cli.NewExitError(err, 1) } act, err := actor.NewSimple(c, acc) if err != nil { return cli.NewExitError(fmt.Errorf("RPC actor issue: %w", err), 1) } gas := flags.Fixed8FromContext(ctx, "gas") contract := neo.New(act) tx, err := mkTx(contract, addr, acc) if err != nil { return cli.NewExitError(err, 1) } tx.NetworkFee += int64(gas) res, _, err := act.SignAndSend(tx) if err != nil { return cli.NewExitError(fmt.Errorf("failed to sign/send transaction: %w", err), 1) } fmt.Fprintln(ctx.App.Writer, res.StringLE()) return nil } func handleVote(ctx *cli.Context) error { return handleNeoAction(ctx, func(contract *neo.Contract, addr util.Uint160, acc *wallet.Account) (*transaction.Transaction, error) { var ( err error pub *keys.PublicKey ) pubStr := ctx.String("candidate") if pubStr != "" { pub, err = keys.NewPublicKeyFromString(pubStr) if err != nil { return nil, fmt.Errorf("invalid public key: '%s'", pubStr) } } return contract.VoteUnsigned(addr, pub) }) } // getDecryptedAccount tries to get and unlock the specified account if it has a // key inside (otherwise it's returned as is, without an ability to sign). If // password is nil, it will be requested via terminal. func getDecryptedAccount(wall *wallet.Wallet, addr util.Uint160, password *string) (*wallet.Account, error) { acc := wall.GetAccount(addr) if acc == nil { return nil, fmt.Errorf("can't find account for the address: %s", address.Uint160ToString(addr)) } // No private key available, nothing to decrypt, but it's still a useful account for many purposes. if acc.EncryptedWIF == "" { return acc, nil } if password == nil { pass, err := input.ReadPassword(EnterPasswordPrompt) if err != nil { fmt.Println("Error reading password", err) return nil, err } password = &pass } err := acc.Decrypt(*password, wall.Scrypt) if err != nil { return nil, err } return acc, nil }