path: root/accounts/accounts_test.go

// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum 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.
//
// go-ethereum 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 go-ethereum.  If not, see <http://www.gnu.org/licenses/>.

package accounts

import (
    "io/ioutil"
    "os"
    "testing"
    "time"

    "github.com/ethereum/go-ethereum/crypto"
)

var testSigData = make([]byte, 32)

func TestSign(t *testing.T) {
    dir, ks := tmpKeyStore(t, crypto.NewKeyStorePlain)
    defer os.RemoveAll(dir)

    am := NewManager(ks)
    pass := "" // not used but required by API
    a1, err := am.NewAccount(pass)
    am.Unlock(a1.Address, "")

    _, err = am.Sign(a1, testSigData)
    if err != nil {
        t.Fatal(err)
    }
}

func TestTimedUnlock(t *testing.T) {
    dir, ks := tmpKeyStore(t, crypto.NewKeyStorePlain)
    defer os.RemoveAll(dir)

    am := NewManager(ks)
    pass := "foo"
    a1, err := am.NewAccount(pass)

    // Signing without passphrase fails because account is locked
    _, err = am.Sign(a1, testSigData)
    if err != ErrLocked {
        t.Fatal("Signing should've failed with ErrLocked before unlocking, got ", err)
    }

    // Signing with passphrase works
    if err = am.TimedUnlock(a1.Address, pass, 100*time.Millisecond); err != nil {
        t.Fatal(err)
    }

    // Signing without passphrase works because account is temp unlocked
    _, err = am.Sign(a1, testSigData)
    if err != nil {
        t.Fatal("Signing shouldn't return an error after unlocking, got ", err)
    }

    // Signing fails again after automatic locking
    time.Sleep(150 * time.Millisecond)
    _, err = am.Sign(a1, testSigData)
    if err != ErrLocked {
        t.Fatal("Signing should've failed with ErrLocked timeout expired, got ", err)
    }
}

func TestOverrideUnlock(t *testing.T) {
    dir, ks := tmpKeyStore(t, crypto.NewKeyStorePlain)
    defer os.RemoveAll(dir)

    am := NewManager(ks)
    pass := "foo"
    a1, err := am.NewAccount(pass)

    // Unlock indefinitely
    if err = am.Unlock(a1.Address, pass); err != nil {
        t.Fatal(err)
    }

    // Signing without passphrase works because account is temp unlocked
    _, err = am.Sign(a1, testSigData)
    if err != nil {
        t.Fatal("Signing shouldn't return an error after unlocking, got ", err)
    }

    // reset unlock to a shorter period, invalidates the previous unlock
    if err = am.TimedUnlock(a1.Address, pass, 100*time.Millisecond); err != nil {
        t.Fatal(err)
    }

    // Signing without passphrase still works because account is temp unlocked
    _, err = am.Sign(a1, testSigData)
    if err != nil {
        t.Fatal("Signing shouldn't return an error after unlocking, got ", err)
    }

    // Signing fails again after automatic locking
    time.Sleep(150 * time.Millisecond)
    _, err = am.Sign(a1, testSigData)
    if err != ErrLocked {
        t.Fatal("Signing should've failed with ErrLocked timeout expired, got ", err)
    }
}

// This test should fail under -race if signing races the expiration goroutine.
func TestSignRace(t *testing.T) {
    dir, ks := tmpKeyStore(t, crypto.NewKeyStorePlain)
    defer os.RemoveAll(dir)

    // Create a test account.
    am := NewManager(ks)
    a1, err := am.NewAccount("")
    if err != nil {
        t.Fatal("could not create the test account", err)
    }

    if err := am.TimedUnlock(a1.Address, "", 15*time.Millisecond); err != nil {
        t.Fatalf("could not unlock the test account", err)
    }
    end := time.Now().Add(80 * time.Millisecond)
    for time.Now().Before(end) {
        if _, err := am.Sign(a1, testSigData); err == ErrLocked {
            return
        } else if err != nil {
            t.Errorf("Sign error: %v", err)
            return
        }
    }
    t.Errorf("Account did not lock within the timeout")
}

func tmpKeyStore(t *testing.T, new func(string) crypto.KeyStore) (string, crypto.KeyStore) {
    d, err := ioutil.TempDir("", "eth-keystore-test")
    if err != nil {
        t.Fatal(err)
    }
    return d, new(d)
}