forked from mirror/go-ethereum
Felix Lange
9 years ago
parent
4e6d8b348d
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2dc20963e7
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// Copyright 2016 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main |
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import ( |
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"fmt" |
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"io/ioutil" |
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"github.com/codegangsta/cli" |
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"github.com/ethereum/go-ethereum/accounts" |
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"github.com/ethereum/go-ethereum/cmd/utils" |
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"github.com/ethereum/go-ethereum/common" |
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) |
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var ( |
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walletCommand = cli.Command{ |
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Name: "wallet", |
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Usage: "ethereum presale wallet", |
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Subcommands: []cli.Command{ |
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{ |
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Action: importWallet, |
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Name: "import", |
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Usage: "import ethereum presale wallet", |
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}, |
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}, |
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Description: ` |
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get wallet import /path/to/my/presale.wallet |
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will prompt for your password and imports your ether presale account. |
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It can be used non-interactively with the --password option taking a |
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passwordfile as argument containing the wallet password in plaintext. |
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`} |
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accountCommand = cli.Command{ |
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Action: accountList, |
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Name: "account", |
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Usage: "manage accounts", |
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Description: ` |
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Manage accounts lets you create new accounts, list all existing accounts, |
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import a private key into a new account. |
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' help' shows a list of subcommands or help for one subcommand. |
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It supports interactive mode, when you are prompted for password as well as |
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non-interactive mode where passwords are supplied via a given password file. |
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Non-interactive mode is only meant for scripted use on test networks or known |
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safe environments. |
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Make sure you remember the password you gave when creating a new account (with |
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either new or import). Without it you are not able to unlock your account. |
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Note that exporting your key in unencrypted format is NOT supported. |
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Keys are stored under <DATADIR>/keys. |
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It is safe to transfer the entire directory or the individual keys therein |
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between ethereum nodes by simply copying. |
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Make sure you backup your keys regularly. |
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In order to use your account to send transactions, you need to unlock them using |
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the '--unlock' option. The argument is a space separated list of addresses or |
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indexes. If used non-interactively with a passwordfile, the file should contain |
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the respective passwords one per line. If you unlock n accounts and the password |
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file contains less than n entries, then the last password is meant to apply to |
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all remaining accounts. |
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And finally. DO NOT FORGET YOUR PASSWORD. |
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`, |
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Subcommands: []cli.Command{ |
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{ |
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Action: accountList, |
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Name: "list", |
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Usage: "print account addresses", |
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}, |
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{ |
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Action: accountCreate, |
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Name: "new", |
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Usage: "create a new account", |
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Description: ` |
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ethereum account new |
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Creates a new account. Prints the address. |
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The account is saved in encrypted format, you are prompted for a passphrase. |
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You must remember this passphrase to unlock your account in the future. |
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For non-interactive use the passphrase can be specified with the --password flag: |
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ethereum --password <passwordfile> account new |
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Note, this is meant to be used for testing only, it is a bad idea to save your |
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password to file or expose in any other way. |
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`, |
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}, |
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{ |
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Action: accountUpdate, |
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Name: "update", |
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Usage: "update an existing account", |
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Description: ` |
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ethereum account update <address> |
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Update an existing account. |
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The account is saved in the newest version in encrypted format, you are prompted |
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for a passphrase to unlock the account and another to save the updated file. |
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This same command can therefore be used to migrate an account of a deprecated |
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format to the newest format or change the password for an account. |
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For non-interactive use the passphrase can be specified with the --password flag: |
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ethereum --password <passwordfile> account update <address> |
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Since only one password can be given, only format update can be performed, |
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changing your password is only possible interactively. |
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`, |
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}, |
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{ |
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Action: accountImport, |
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Name: "import", |
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Usage: "import a private key into a new account", |
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Description: ` |
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ethereum account import <keyfile> |
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Imports an unencrypted private key from <keyfile> and creates a new account. |
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Prints the address. |
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The keyfile is assumed to contain an unencrypted private key in hexadecimal format. |
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The account is saved in encrypted format, you are prompted for a passphrase. |
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You must remember this passphrase to unlock your account in the future. |
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For non-interactive use the passphrase can be specified with the -password flag: |
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ethereum --password <passwordfile> account import <keyfile> |
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Note: |
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As you can directly copy your encrypted accounts to another ethereum instance, |
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this import mechanism is not needed when you transfer an account between |
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nodes. |
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`, |
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}, |
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}, |
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} |
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) |
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func accountList(ctx *cli.Context) { |
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accman := utils.MakeAccountManager(ctx) |
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accts, err := accman.Accounts() |
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if err != nil { |
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utils.Fatalf("Could not list accounts: %v", err) |
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} |
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for i, acct := range accts { |
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fmt.Printf("Account #%d: %x\n", i, acct) |
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} |
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} |
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// tries unlocking the specified account a few times.
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func unlockAccount(ctx *cli.Context, accman *accounts.Manager, address string, i int, passwords []string) (common.Address, string) { |
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account, err := utils.MakeAddress(accman, address) |
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if err != nil { |
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utils.Fatalf("Could not list accounts: %v", err) |
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} |
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for trials := 0; trials < 3; trials++ { |
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prompt := fmt.Sprintf("Unlocking account %s | Attempt %d/%d", address, trials+1, 3) |
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password := getPassPhrase(prompt, false, i, passwords) |
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if err := accman.Unlock(account, password); err == nil { |
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return account, password |
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} |
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} |
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// All trials expended to unlock account, bail out
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utils.Fatalf("Failed to unlock account: %s", address) |
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return common.Address{}, "" |
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} |
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// getPassPhrase retrieves the passwor associated with an account, either fetched
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// from a list of preloaded passphrases, or requested interactively from the user.
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func getPassPhrase(prompt string, confirmation bool, i int, passwords []string) string { |
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// If a list of passwords was supplied, retrieve from them
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if len(passwords) > 0 { |
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if i < len(passwords) { |
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return passwords[i] |
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} |
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return passwords[len(passwords)-1] |
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} |
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// Otherwise prompt the user for the password
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fmt.Println(prompt) |
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password, err := utils.Stdin.PasswordPrompt("Passphrase: ") |
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if err != nil { |
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utils.Fatalf("Failed to read passphrase: %v", err) |
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} |
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if confirmation { |
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confirm, err := utils.Stdin.PasswordPrompt("Repeat passphrase: ") |
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if err != nil { |
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utils.Fatalf("Failed to read passphrase confirmation: %v", err) |
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} |
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if password != confirm { |
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utils.Fatalf("Passphrases do not match") |
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} |
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} |
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return password |
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} |
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// accountCreate creates a new account into the keystore defined by the CLI flags.
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func accountCreate(ctx *cli.Context) { |
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accman := utils.MakeAccountManager(ctx) |
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password := getPassPhrase("Your new account is locked with a password. Please give a password. Do not forget this password.", true, 0, utils.MakePasswordList(ctx)) |
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account, err := accman.NewAccount(password) |
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if err != nil { |
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utils.Fatalf("Failed to create account: %v", err) |
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} |
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fmt.Printf("Address: %x\n", account) |
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} |
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// accountUpdate transitions an account from a previous format to the current
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// one, also providing the possibility to change the pass-phrase.
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func accountUpdate(ctx *cli.Context) { |
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if len(ctx.Args()) == 0 { |
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utils.Fatalf("No accounts specified to update") |
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} |
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accman := utils.MakeAccountManager(ctx) |
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account, oldPassword := unlockAccount(ctx, accman, ctx.Args().First(), 0, nil) |
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newPassword := getPassPhrase("Please give a new password. Do not forget this password.", true, 0, nil) |
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if err := accman.Update(account, oldPassword, newPassword); err != nil { |
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utils.Fatalf("Could not update the account: %v", err) |
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} |
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} |
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func importWallet(ctx *cli.Context) { |
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keyfile := ctx.Args().First() |
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if len(keyfile) == 0 { |
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utils.Fatalf("keyfile must be given as argument") |
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} |
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keyJson, err := ioutil.ReadFile(keyfile) |
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if err != nil { |
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utils.Fatalf("Could not read wallet file: %v", err) |
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} |
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accman := utils.MakeAccountManager(ctx) |
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passphrase := getPassPhrase("", false, 0, utils.MakePasswordList(ctx)) |
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acct, err := accman.ImportPreSaleKey(keyJson, passphrase) |
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if err != nil { |
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utils.Fatalf("Could not create the account: %v", err) |
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} |
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fmt.Printf("Address: %x\n", acct) |
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} |
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func accountImport(ctx *cli.Context) { |
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keyfile := ctx.Args().First() |
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if len(keyfile) == 0 { |
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utils.Fatalf("keyfile must be given as argument") |
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} |
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accman := utils.MakeAccountManager(ctx) |
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passphrase := getPassPhrase("Your new account is locked with a password. Please give a password. Do not forget this password.", true, 0, utils.MakePasswordList(ctx)) |
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acct, err := accman.Import(keyfile, passphrase) |
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if err != nil { |
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utils.Fatalf("Could not create the account: %v", err) |
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} |
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fmt.Printf("Address: %x\n", acct) |
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} |
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