accounts: use clock.Clock

In this commit, we use the clock.Clock type instead of directly calling
time.Now().

Author: ellemouton

accounts/checkers_test.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/btcsuite/btcd/chaincfg"
+	"github.com/lightningnetwork/lnd/clock"
 	"github.com/lightningnetwork/lnd/lnrpc"
 	"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
 	"github.com/lightningnetwork/lnd/lntypes"
@@ -523,7 +524,8 @@ func testSendPayment(t *testing.T, uri string) {
 	errFunc := func(err error) {
 		lndMock.mainErrChan <- err
 	}
-	store := NewTestDB(t)
+	clock := clock.NewTestClock(time.Now())
+	store := NewTestDB(t, clock)
 	service, err := NewService(store, errFunc)
 	require.NoError(t, err)
 
@@ -546,7 +548,7 @@ func testSendPayment(t *testing.T, uri string) {
 
 	// Create an account and add it to the context.
 	acct, err := service.NewAccount(
-		ctx, 5000, time.Now().Add(time.Hour), "test",
+		ctx, 5000, clock.Now().Add(time.Hour), "test",
 	)
 	require.NoError(t, err)
 
@@ -720,7 +722,8 @@ func TestSendPaymentV2(t *testing.T) {
 	errFunc := func(err error) {
 		lndMock.mainErrChan <- err
 	}
-	store := NewTestDB(t)
+	clock := clock.NewTestClock(time.Now())
+	store := NewTestDB(t, clock)
 	service, err := NewService(store, errFunc)
 	require.NoError(t, err)
 
@@ -743,7 +746,7 @@ func TestSendPaymentV2(t *testing.T) {
 
 	// Create an account and add it to the context.
 	acct, err := service.NewAccount(
-		ctx, 5000, time.Now().Add(time.Hour), "test",
+		ctx, 5000, clock.Now().Add(time.Hour), "test",
 	)
 	require.NoError(t, err)
 
@@ -908,7 +911,8 @@ func TestSendToRouteV2(t *testing.T) {
 	errFunc := func(err error) {
 		lndMock.mainErrChan <- err
 	}
-	store := NewTestDB(t)
+	clock := clock.NewTestClock(time.Now())
+	store := NewTestDB(t, clock)
 	service, err := NewService(store, errFunc)
 	require.NoError(t, err)
 
@@ -931,7 +935,7 @@ func TestSendToRouteV2(t *testing.T) {
 
 	// Create an account and add it to the context.
 	acct, err := service.NewAccount(
-		ctx, 5000, time.Now().Add(time.Hour), "test",
+		ctx, 5000, clock.Now().Add(time.Hour), "test",
 	)
 	require.NoError(t, err)
 

accounts/service_test.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/lightninglabs/lndclient"
 	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/clock"
 	invpkg "github.com/lightningnetwork/lnd/invoices"
 	"github.com/lightningnetwork/lnd/lnrpc"
 	"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
@@ -829,7 +830,7 @@ func TestAccountService(t *testing.T) {
 			errFunc := func(err error) {
 				lndMock.mainErrChan <- err
 			}
-			store := NewTestDB(t)
+			store := NewTestDB(t, clock.NewTestClock(time.Now()))
 			service, err := NewService(store, errFunc)
 			require.NoError(t, err)
 

accounts/store_kvdb.go

@@ -12,6 +12,7 @@ import (
 	"time"
 
 	"github.com/btcsuite/btcwallet/walletdb"
+	"github.com/lightningnetwork/lnd/clock"
 	"github.com/lightningnetwork/lnd/fn"
 	"github.com/lightningnetwork/lnd/kvdb"
 	"github.com/lightningnetwork/lnd/lntypes"
@@ -58,12 +59,13 @@ var (
 
 // BoltStore wraps the bolt DB that stores all accounts and their balances.
 type BoltStore struct {
-	db kvdb.Backend
+	db    kvdb.Backend
+	clock clock.Clock
 }
 
 // NewBoltStore creates a BoltStore instance and the corresponding bucket in the
 // bolt DB if it does not exist yet.
-func NewBoltStore(dir, fileName string) (*BoltStore, error) {
+func NewBoltStore(dir, fileName string, clock clock.Clock) (*BoltStore, error) {
 	// Ensure that the path to the directory exists.
 	if _, err := os.Stat(dir); os.IsNotExist(err) {
 		if err := os.MkdirAll(dir, dbPathPermission); err != nil {
@@ -97,7 +99,10 @@ func NewBoltStore(dir, fileName string) (*BoltStore, error) {
 	}
 
 	// Return the DB wrapped in a BoltStore object.
-	return &BoltStore{db: db}, nil
+	return &BoltStore{
+		db:    db,
+		clock: clock,
+	}, nil
 }
 
 // Close closes the underlying bolt DB.
@@ -169,7 +174,7 @@ func (s *BoltStore) NewAccount(ctx context.Context, balance lnwire.MilliSatoshi,
 		}
 
 		account.ID = id
-		return storeAccount(bucket, account)
+		return s.storeAccount(bucket, account)
 	}, func() {
 		account.ID = zeroID
 	})
@@ -193,7 +198,7 @@ func (s *BoltStore) UpdateAccount(_ context.Context,
 			return ErrAccountBucketNotFound
 		}
 
-		return storeAccount(bucket, account)
+		return s.storeAccount(bucket, account)
 	}, func() {})
 }
 
@@ -274,7 +279,7 @@ func (s *BoltStore) updateAccount(id AccountID,
 			return fmt.Errorf("error updating account, %w", err)
 		}
 
-		err = storeAccount(bucket, account)
+		err = s.storeAccount(bucket, account)
 		if err != nil {
 			return fmt.Errorf("error storing account, %w", err)
 		}
@@ -285,10 +290,10 @@ func (s *BoltStore) updateAccount(id AccountID,
 
 // storeAccount serializes and writes the given account to the given account
 // bucket.
-func storeAccount(accountBucket kvdb.RwBucket,
+func (s *BoltStore) storeAccount(accountBucket kvdb.RwBucket,
 	account *OffChainBalanceAccount) error {
 
-	account.LastUpdate = time.Now()
+	account.LastUpdate = s.clock.Now()
 
 	accountBinary, err := serializeAccount(account)
 	if err != nil {

accounts/store_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/lightningnetwork/lnd/clock"
 	"github.com/lightningnetwork/lnd/fn"
 	"github.com/lightningnetwork/lnd/lnrpc"
 	"github.com/lightningnetwork/lnd/lntypes"
@@ -17,7 +18,8 @@ func TestAccountStore(t *testing.T) {
 	t.Parallel()
 	ctx := context.Background()
 
-	store := NewTestDB(t)
+	clock := clock.NewTestClock(time.Now())
+	store := NewTestDB(t, clock)
 
 	// Create an account that does not expire.
 	acct1, err := store.NewAccount(ctx, 0, time.Time{}, "foo")
@@ -39,7 +41,7 @@ func TestAccountStore(t *testing.T) {
 
 	// Update all values of the account that we can modify.
 	acct1.CurrentBalance = -500
-	acct1.ExpirationDate = time.Now()
+	acct1.ExpirationDate = clock.Now()
 	acct1.Payments[lntypes.Hash{12, 34, 56, 78}] = &PaymentEntry{
 		Status:     lnrpc.Payment_FAILED,
 		FullAmount: 123456,
@@ -114,7 +116,8 @@ func TestAccountUpdateMethods(t *testing.T) {
 	ctx := context.Background()
 
 	t.Run("UpdateAccountBalanceAndExpiry", func(t *testing.T) {
-		store := NewTestDB(t)
+		clock := clock.NewTestClock(time.Now())
+		store := NewTestDB(t, clock)
 
 		// Ensure that the function errors out if we try update an
 		// account that does not exist.
@@ -151,7 +154,7 @@ func TestAccountUpdateMethods(t *testing.T) {
 		assertBalanceAndExpiry(newBalance, time.Time{})
 
 		// Now update just the expiry of the account.
-		newExpiry := time.Now().Add(time.Hour)
+		newExpiry := clock.Now().Add(time.Hour)
 		err = store.UpdateAccountBalanceAndExpiry(
 			ctx, acct.ID, fn.None[lnwire.MilliSatoshi](),
 			fn.Some(newExpiry),
@@ -161,7 +164,7 @@ func TestAccountUpdateMethods(t *testing.T) {
 
 		// Update both the balance and expiry of the account.
 		newBalance = 456
-		newExpiry = time.Now().Add(2 * time.Hour)
+		newExpiry = clock.Now().Add(2 * time.Hour)
 		err = store.UpdateAccountBalanceAndExpiry(
 			ctx, acct.ID, fn.Some(newBalance), fn.Some(newExpiry),
 		)
@@ -179,7 +182,7 @@ func TestAccountUpdateMethods(t *testing.T) {
 	})
 
 	t.Run("AddAccountInvoice", func(t *testing.T) {
-		store := NewTestDB(t)
+		store := NewTestDB(t, clock.NewTestClock(time.Now()))
 
 		acct, err := store.NewAccount(ctx, 0, time.Time{}, "foo")
 		require.NoError(t, err)
@@ -231,7 +234,7 @@ func TestAccountUpdateMethods(t *testing.T) {
 	})
 
 	t.Run("IncreaseAccountBalance", func(t *testing.T) {
-		store := NewTestDB(t)
+		store := NewTestDB(t, clock.NewTestClock(time.Now()))
 
 		// Increasing the balance of an account that doesn't exist
 		// should error out.
@@ -265,7 +268,7 @@ func TestLastInvoiceIndexes(t *testing.T) {
 	t.Parallel()
 	ctx := context.Background()
 
-	store := NewTestDB(t)
+	store := NewTestDB(t, clock.NewTestClock(time.Now()))
 
 	_, _, err := store.LastIndexes(ctx)
 	require.ErrorIs(t, err, ErrNoInvoiceIndexKnown)

accounts/test_kvdb.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"testing"
 
+	"github.com/lightningnetwork/lnd/clock"
 	"github.com/stretchr/testify/require"
 )
 
@@ -12,14 +13,16 @@ import (
 var ErrDBClosed = errors.New("database not open")
 
 // NewTestDB is a helper function that creates an BBolt database for testing.
-func NewTestDB(t *testing.T) *BoltStore {
-	return NewTestDBFromPath(t, t.TempDir())
+func NewTestDB(t *testing.T, clock clock.Clock) *BoltStore {
+	return NewTestDBFromPath(t, t.TempDir(), clock)
 }
 
 // NewTestDBFromPath is a helper function that creates a new BoltStore with a
 // connection to an existing BBolt database for testing.
-func NewTestDBFromPath(t *testing.T, dbPath string) *BoltStore {
-	store, err := NewBoltStore(dbPath, DBFilename)
+func NewTestDBFromPath(t *testing.T, dbPath string,
+	clock clock.Clock) *BoltStore {
+
+	store, err := NewBoltStore(dbPath, DBFilename, clock)
 	require.NoError(t, err)
 
 	t.Cleanup(func() {

terminal.go

@@ -38,6 +38,7 @@ import (
 	"github.com/lightningnetwork/lnd"
 	"github.com/lightningnetwork/lnd/build"
 	"github.com/lightningnetwork/lnd/chainreg"
+	"github.com/lightningnetwork/lnd/clock"
 	"github.com/lightningnetwork/lnd/fn"
 	"github.com/lightningnetwork/lnd/funding"
 	"github.com/lightningnetwork/lnd/htlcswitch"
@@ -415,6 +416,7 @@ func (g *LightningTerminal) start(ctx context.Context) error {
 
 	g.accountsStore, err = accounts.NewBoltStore(
 		filepath.Dir(g.cfg.MacaroonPath), accounts.DBFilename,
+		clock.NewDefaultClock(),
 	)
 	if err != nil {
 		return fmt.Errorf("error creating accounts store: %w", err)