* ethclient/gethclient: fix flaky test (due to map key ordering) * accounts/keystore: fix test failing due to rand collision due to low time resolution on windows
		
			
				
	
	
		
			407 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			407 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package keystore
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import (
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	"fmt"
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	"io/ioutil"
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	"math/rand"
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	"os"
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	"path/filepath"
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	"reflect"
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	"sort"
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	"testing"
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	"time"
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	"github.com/cespare/cp"
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	"github.com/davecgh/go-spew/spew"
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	"github.com/ethereum/go-ethereum/accounts"
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	"github.com/ethereum/go-ethereum/common"
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)
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var (
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	cachetestDir, _   = filepath.Abs(filepath.Join("testdata", "keystore"))
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	cachetestAccounts = []accounts.Account{
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		{
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			Address: common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(cachetestDir, "UTC--2016-03-22T12-57-55.920751759Z--7ef5a6135f1fd6a02593eedc869c6d41d934aef8")},
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		},
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		{
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			Address: common.HexToAddress("f466859ead1932d743d622cb74fc058882e8648a"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(cachetestDir, "aaa")},
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		},
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		{
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			Address: common.HexToAddress("289d485d9771714cce91d3393d764e1311907acc"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(cachetestDir, "zzz")},
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		},
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	}
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)
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func TestWatchNewFile(t *testing.T) {
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	t.Parallel()
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	dir, ks := tmpKeyStore(t, false)
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	defer os.RemoveAll(dir)
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	// Ensure the watcher is started before adding any files.
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	ks.Accounts()
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	time.Sleep(1000 * time.Millisecond)
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	// Move in the files.
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	wantAccounts := make([]accounts.Account, len(cachetestAccounts))
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	for i := range cachetestAccounts {
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		wantAccounts[i] = accounts.Account{
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			Address: cachetestAccounts[i].Address,
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(dir, filepath.Base(cachetestAccounts[i].URL.Path))},
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		}
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		if err := cp.CopyFile(wantAccounts[i].URL.Path, cachetestAccounts[i].URL.Path); err != nil {
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			t.Fatal(err)
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		}
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	}
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	// ks should see the accounts.
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	var list []accounts.Account
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	for d := 200 * time.Millisecond; d < 5*time.Second; d *= 2 {
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		list = ks.Accounts()
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		if reflect.DeepEqual(list, wantAccounts) {
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			// ks should have also received change notifications
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			select {
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			case <-ks.changes:
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			default:
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				t.Fatalf("wasn't notified of new accounts")
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			}
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			return
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		}
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		time.Sleep(d)
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	}
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	t.Errorf("got %s, want %s", spew.Sdump(list), spew.Sdump(wantAccounts))
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}
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func TestWatchNoDir(t *testing.T) {
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	t.Parallel()
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	// Create ks but not the directory that it watches.
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	rand.Seed(time.Now().UnixNano())
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	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-watchnodir-test-%d-%d", os.Getpid(), rand.Int()))
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	ks := NewKeyStore(dir, LightScryptN, LightScryptP)
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	list := ks.Accounts()
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	if len(list) > 0 {
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		t.Error("initial account list not empty:", list)
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	}
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	time.Sleep(100 * time.Millisecond)
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	// Create the directory and copy a key file into it.
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	os.MkdirAll(dir, 0700)
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	defer os.RemoveAll(dir)
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	file := filepath.Join(dir, "aaa")
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	if err := cp.CopyFile(file, cachetestAccounts[0].URL.Path); err != nil {
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		t.Fatal(err)
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	}
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	// ks should see the account.
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	wantAccounts := []accounts.Account{cachetestAccounts[0]}
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	wantAccounts[0].URL = accounts.URL{Scheme: KeyStoreScheme, Path: file}
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	for d := 200 * time.Millisecond; d < 8*time.Second; d *= 2 {
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		list = ks.Accounts()
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		if reflect.DeepEqual(list, wantAccounts) {
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			// ks should have also received change notifications
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			select {
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			case <-ks.changes:
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			default:
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				t.Fatalf("wasn't notified of new accounts")
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			}
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			return
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		}
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		time.Sleep(d)
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	}
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	t.Errorf("\ngot  %v\nwant %v", list, wantAccounts)
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}
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func TestCacheInitialReload(t *testing.T) {
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	cache, _ := newAccountCache(cachetestDir)
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	accounts := cache.accounts()
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	if !reflect.DeepEqual(accounts, cachetestAccounts) {
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		t.Fatalf("got initial accounts: %swant %s", spew.Sdump(accounts), spew.Sdump(cachetestAccounts))
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	}
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}
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func TestCacheAddDeleteOrder(t *testing.T) {
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	cache, _ := newAccountCache("testdata/no-such-dir")
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	cache.watcher.running = true // prevent unexpected reloads
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	accs := []accounts.Account{
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		{
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			Address: common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: "-309830980"},
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		},
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		{
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			Address: common.HexToAddress("2cac1adea150210703ba75ed097ddfe24e14f213"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: "ggg"},
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		},
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		{
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			Address: common.HexToAddress("8bda78331c916a08481428e4b07c96d3e916d165"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: "zzzzzz-the-very-last-one.keyXXX"},
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		},
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		{
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			Address: common.HexToAddress("d49ff4eeb0b2686ed89c0fc0f2b6ea533ddbbd5e"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: "SOMETHING.key"},
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		},
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		{
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			Address: common.HexToAddress("7ef5a6135f1fd6a02593eedc869c6d41d934aef8"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: "UTC--2016-03-22T12-57-55.920751759Z--7ef5a6135f1fd6a02593eedc869c6d41d934aef8"},
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		},
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		{
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			Address: common.HexToAddress("f466859ead1932d743d622cb74fc058882e8648a"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: "aaa"},
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		},
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		{
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			Address: common.HexToAddress("289d485d9771714cce91d3393d764e1311907acc"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: "zzz"},
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		},
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	}
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	for _, a := range accs {
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		cache.add(a)
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	}
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	// Add some of them twice to check that they don't get reinserted.
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	cache.add(accs[0])
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	cache.add(accs[2])
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	// Check that the account list is sorted by filename.
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	wantAccounts := make([]accounts.Account, len(accs))
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	copy(wantAccounts, accs)
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	sort.Sort(accountsByURL(wantAccounts))
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	list := cache.accounts()
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	if !reflect.DeepEqual(list, wantAccounts) {
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		t.Fatalf("got accounts: %s\nwant %s", spew.Sdump(accs), spew.Sdump(wantAccounts))
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	}
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	for _, a := range accs {
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		if !cache.hasAddress(a.Address) {
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			t.Errorf("expected hasAccount(%x) to return true", a.Address)
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		}
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	}
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	if cache.hasAddress(common.HexToAddress("fd9bd350f08ee3c0c19b85a8e16114a11a60aa4e")) {
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		t.Errorf("expected hasAccount(%x) to return false", common.HexToAddress("fd9bd350f08ee3c0c19b85a8e16114a11a60aa4e"))
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	}
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	// Delete a few keys from the cache.
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	for i := 0; i < len(accs); i += 2 {
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		cache.delete(wantAccounts[i])
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	}
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	cache.delete(accounts.Account{Address: common.HexToAddress("fd9bd350f08ee3c0c19b85a8e16114a11a60aa4e"), URL: accounts.URL{Scheme: KeyStoreScheme, Path: "something"}})
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	// Check content again after deletion.
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	wantAccountsAfterDelete := []accounts.Account{
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		wantAccounts[1],
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		wantAccounts[3],
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		wantAccounts[5],
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	}
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	list = cache.accounts()
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	if !reflect.DeepEqual(list, wantAccountsAfterDelete) {
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		t.Fatalf("got accounts after delete: %s\nwant %s", spew.Sdump(list), spew.Sdump(wantAccountsAfterDelete))
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	}
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	for _, a := range wantAccountsAfterDelete {
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		if !cache.hasAddress(a.Address) {
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			t.Errorf("expected hasAccount(%x) to return true", a.Address)
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		}
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	}
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	if cache.hasAddress(wantAccounts[0].Address) {
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		t.Errorf("expected hasAccount(%x) to return false", wantAccounts[0].Address)
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	}
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}
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func TestCacheFind(t *testing.T) {
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	dir := filepath.Join("testdata", "dir")
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	cache, _ := newAccountCache(dir)
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	cache.watcher.running = true // prevent unexpected reloads
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	accs := []accounts.Account{
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		{
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			Address: common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(dir, "a.key")},
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		},
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		{
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			Address: common.HexToAddress("2cac1adea150210703ba75ed097ddfe24e14f213"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(dir, "b.key")},
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		},
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		{
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			Address: common.HexToAddress("d49ff4eeb0b2686ed89c0fc0f2b6ea533ddbbd5e"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(dir, "c.key")},
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		},
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		{
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			Address: common.HexToAddress("d49ff4eeb0b2686ed89c0fc0f2b6ea533ddbbd5e"),
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			URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(dir, "c2.key")},
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		},
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	}
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	for _, a := range accs {
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		cache.add(a)
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	}
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	nomatchAccount := accounts.Account{
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		Address: common.HexToAddress("f466859ead1932d743d622cb74fc058882e8648a"),
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		URL:     accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Join(dir, "something")},
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	}
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	tests := []struct {
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		Query      accounts.Account
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		WantResult accounts.Account
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		WantError  error
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	}{
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		// by address
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		{Query: accounts.Account{Address: accs[0].Address}, WantResult: accs[0]},
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		// by file
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		{Query: accounts.Account{URL: accs[0].URL}, WantResult: accs[0]},
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		// by basename
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		{Query: accounts.Account{URL: accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Base(accs[0].URL.Path)}}, WantResult: accs[0]},
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		// by file and address
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		{Query: accs[0], WantResult: accs[0]},
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		// ambiguous address, tie resolved by file
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		{Query: accs[2], WantResult: accs[2]},
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		// ambiguous address error
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		{
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			Query: accounts.Account{Address: accs[2].Address},
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			WantError: &AmbiguousAddrError{
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				Addr:    accs[2].Address,
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				Matches: []accounts.Account{accs[2], accs[3]},
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			},
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		},
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		// no match error
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		{Query: nomatchAccount, WantError: ErrNoMatch},
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		{Query: accounts.Account{URL: nomatchAccount.URL}, WantError: ErrNoMatch},
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		{Query: accounts.Account{URL: accounts.URL{Scheme: KeyStoreScheme, Path: filepath.Base(nomatchAccount.URL.Path)}}, WantError: ErrNoMatch},
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		{Query: accounts.Account{Address: nomatchAccount.Address}, WantError: ErrNoMatch},
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	}
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	for i, test := range tests {
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		a, err := cache.find(test.Query)
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		if !reflect.DeepEqual(err, test.WantError) {
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			t.Errorf("test %d: error mismatch for query %v\ngot %q\nwant %q", i, test.Query, err, test.WantError)
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			continue
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		}
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		if a != test.WantResult {
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			t.Errorf("test %d: result mismatch for query %v\ngot %v\nwant %v", i, test.Query, a, test.WantResult)
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			continue
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		}
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	}
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}
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func waitForAccounts(wantAccounts []accounts.Account, ks *KeyStore) error {
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	var list []accounts.Account
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	for d := 200 * time.Millisecond; d < 8*time.Second; d *= 2 {
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		list = ks.Accounts()
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		if reflect.DeepEqual(list, wantAccounts) {
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			// ks should have also received change notifications
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			select {
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			case <-ks.changes:
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			default:
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				return fmt.Errorf("wasn't notified of new accounts")
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			}
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			return nil
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		}
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		time.Sleep(d)
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	}
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	return fmt.Errorf("\ngot  %v\nwant %v", list, wantAccounts)
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}
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// TestUpdatedKeyfileContents tests that updating the contents of a keystore file
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// is noticed by the watcher, and the account cache is updated accordingly
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func TestUpdatedKeyfileContents(t *testing.T) {
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	t.Parallel()
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	// Create a temporary kesytore to test with
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	rand.Seed(time.Now().UnixNano())
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	dir := filepath.Join(os.TempDir(), fmt.Sprintf("eth-keystore-updatedkeyfilecontents-test-%d-%d", os.Getpid(), rand.Int()))
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	ks := NewKeyStore(dir, LightScryptN, LightScryptP)
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	list := ks.Accounts()
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	if len(list) > 0 {
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		t.Error("initial account list not empty:", list)
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	}
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	time.Sleep(100 * time.Millisecond)
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	// Create the directory and copy a key file into it.
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	os.MkdirAll(dir, 0700)
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	defer os.RemoveAll(dir)
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	file := filepath.Join(dir, "aaa")
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	// Place one of our testfiles in there
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	if err := cp.CopyFile(file, cachetestAccounts[0].URL.Path); err != nil {
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		t.Fatal(err)
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	}
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	// ks should see the account.
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	wantAccounts := []accounts.Account{cachetestAccounts[0]}
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	wantAccounts[0].URL = accounts.URL{Scheme: KeyStoreScheme, Path: file}
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	if err := waitForAccounts(wantAccounts, ks); err != nil {
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		t.Error(err)
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		return
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	}
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	// needed so that modTime of `file` is different to its current value after forceCopyFile
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	time.Sleep(1000 * time.Millisecond)
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	// Now replace file contents
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	if err := forceCopyFile(file, cachetestAccounts[1].URL.Path); err != nil {
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		t.Fatal(err)
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		return
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	}
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	wantAccounts = []accounts.Account{cachetestAccounts[1]}
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	wantAccounts[0].URL = accounts.URL{Scheme: KeyStoreScheme, Path: file}
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	if err := waitForAccounts(wantAccounts, ks); err != nil {
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		t.Errorf("First replacement failed")
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		t.Error(err)
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		return
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	}
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	// needed so that modTime of `file` is different to its current value after forceCopyFile
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						|
	time.Sleep(1000 * time.Millisecond)
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	// Now replace file contents again
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	if err := forceCopyFile(file, cachetestAccounts[2].URL.Path); err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
		return
 | 
						|
	}
 | 
						|
	wantAccounts = []accounts.Account{cachetestAccounts[2]}
 | 
						|
	wantAccounts[0].URL = accounts.URL{Scheme: KeyStoreScheme, Path: file}
 | 
						|
	if err := waitForAccounts(wantAccounts, ks); err != nil {
 | 
						|
		t.Errorf("Second replacement failed")
 | 
						|
		t.Error(err)
 | 
						|
		return
 | 
						|
	}
 | 
						|
 | 
						|
	// needed so that modTime of `file` is different to its current value after ioutil.WriteFile
 | 
						|
	time.Sleep(1000 * time.Millisecond)
 | 
						|
 | 
						|
	// Now replace file contents with crap
 | 
						|
	if err := ioutil.WriteFile(file, []byte("foo"), 0644); err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
		return
 | 
						|
	}
 | 
						|
	if err := waitForAccounts([]accounts.Account{}, ks); err != nil {
 | 
						|
		t.Errorf("Emptying account file failed")
 | 
						|
		t.Error(err)
 | 
						|
		return
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// forceCopyFile is like cp.CopyFile, but doesn't complain if the destination exists.
 | 
						|
func forceCopyFile(dst, src string) error {
 | 
						|
	data, err := ioutil.ReadFile(src)
 | 
						|
	if err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	return ioutil.WriteFile(dst, data, 0644)
 | 
						|
}
 |