100 lines
4.0 KiB
Go
100 lines
4.0 KiB
Go
// Copyright 2017 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// This file contains the code snippets from the developer's guide embedded into
|
|
// Go tests. This ensures that any code published in out guides will not break
|
|
// accidentally via some code update. If some API changes nonetheless that needs
|
|
// modifying this file, please port any modification over into the developer's
|
|
// guide wiki pages too!
|
|
|
|
package guide
|
|
|
|
import (
|
|
"math/big"
|
|
"path/filepath"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/accounts/keystore"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
)
|
|
|
|
// Tests that the account management snippets work correctly.
|
|
func TestAccountManagement(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
// Create a temporary folder to work with
|
|
workdir := t.TempDir()
|
|
|
|
// Create an encrypted keystore (using light scrypt parameters)
|
|
ks := keystore.NewKeyStore(filepath.Join(workdir, "keystore"), keystore.LightScryptN, keystore.LightScryptP)
|
|
|
|
// Create a new account with the specified encryption passphrase
|
|
newAcc, err := ks.NewAccount("Creation password")
|
|
if err != nil {
|
|
t.Fatalf("Failed to create new account: %v", err)
|
|
}
|
|
// Export the newly created account with a different passphrase. The returned
|
|
// data from this method invocation is a JSON encoded, encrypted key-file
|
|
jsonAcc, err := ks.Export(newAcc, "Creation password", "Export password")
|
|
if err != nil {
|
|
t.Fatalf("Failed to export account: %v", err)
|
|
}
|
|
// Update the passphrase on the account created above inside the local keystore
|
|
if err := ks.Update(newAcc, "Creation password", "Update password"); err != nil {
|
|
t.Fatalf("Failed to update account: %v", err)
|
|
}
|
|
// Delete the account updated above from the local keystore
|
|
if err := ks.Delete(newAcc, "Update password"); err != nil {
|
|
t.Fatalf("Failed to delete account: %v", err)
|
|
}
|
|
// Import back the account we've exported (and then deleted) above with yet
|
|
// again a fresh passphrase
|
|
if _, err := ks.Import(jsonAcc, "Export password", "Import password"); err != nil {
|
|
t.Fatalf("Failed to import account: %v", err)
|
|
}
|
|
// Create a new account to sign transactions with
|
|
signer, err := ks.NewAccount("Signer password")
|
|
if err != nil {
|
|
t.Fatalf("Failed to create signer account: %v", err)
|
|
}
|
|
tx := types.NewTransaction(0, common.Address{}, big.NewInt(0), 0, big.NewInt(0), nil)
|
|
chain := big.NewInt(1)
|
|
|
|
// Sign a transaction with a single authorization
|
|
if _, err := ks.SignTxWithPassphrase(signer, "Signer password", tx, chain); err != nil {
|
|
t.Fatalf("Failed to sign with passphrase: %v", err)
|
|
}
|
|
// Sign a transaction with multiple manually cancelled authorizations
|
|
if err := ks.Unlock(signer, "Signer password"); err != nil {
|
|
t.Fatalf("Failed to unlock account: %v", err)
|
|
}
|
|
if _, err := ks.SignTx(signer, tx, chain); err != nil {
|
|
t.Fatalf("Failed to sign with unlocked account: %v", err)
|
|
}
|
|
if err := ks.Lock(signer.Address); err != nil {
|
|
t.Fatalf("Failed to lock account: %v", err)
|
|
}
|
|
// Sign a transaction with multiple automatically cancelled authorizations
|
|
if err := ks.TimedUnlock(signer, "Signer password", time.Second); err != nil {
|
|
t.Fatalf("Failed to time unlock account: %v", err)
|
|
}
|
|
if _, err := ks.SignTx(signer, tx, chain); err != nil {
|
|
t.Fatalf("Failed to sign with time unlocked account: %v", err)
|
|
}
|
|
}
|