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status-go
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tests: Added unit test for copying 'keypairs_accounts' table to the wallet db. 

Added a unit test for changing app and wallet DBs passwords.
Refactored geth_backend to simplify and allow wallet db password changing.
Fixed opening database with wrong password.
This commit is contained in:
Ivan Belyakov 2023-08-10 13:41:04 +02:00 committed by IvanBelyakoff
parent 2df9df10ab
commit ea38b788b3
10 changed files with 319 additions and 109 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
api/backend_test.go
View File

@ -31,6 +31,7 @@ import (
"github.com/status-im/status-go/params"
"github.com/status-im/status-go/rpc"
"github.com/status-im/status-go/services/typeddata"
"github.com/status-im/status-go/sqlite"
"github.com/status-im/status-go/t/helpers"
"github.com/status-im/status-go/t/utils"
"github.com/status-im/status-go/transactions"
@ -1196,3 +1197,41 @@ func TestLoginAndMigrationsStillWorkWithExistingUsers(t *testing.T) {
login(t, conf)
login(t, conf) // Login twice to catch weird errors that only appear after logout
}
func TestChangeDatabasePassword(t *testing.T) {
backend := NewGethStatusBackend()
backend.UpdateRootDataDir(t.TempDir())
account := multiaccounts.Account{
Name: "TestAccount",
Timestamp: 1,
KeyUID: "0x7c46c8f6f059ab72d524f2a6d356904db30bb0392636172ab3929a6bd2220f84",
KDFIterations: 1,
}
oldPassword := "password"
newPassword := "newPassword"
// Initialize accounts DB
err := backend.OpenAccounts()
require.NoError(t, err)
err = backend.SaveAccount(account)
require.NoError(t, err)
// Created DBs with old password
err = backend.ensureDBsOpened(account, oldPassword)
require.NoError(t, err)
// Change password
err = backend.ChangeDatabasePassword(account.KeyUID, oldPassword, newPassword)
require.NoError(t, err)
// Test that DBs can be opened with new password
appDb, err := sqlite.OpenDB(backend.getAppDBPath(account.KeyUID), newPassword, account.KDFIterations)
require.NoError(t, err)
appDb.Close()
walletDb, err := sqlite.OpenDB(backend.getWalletDBPath(account.KeyUID), newPassword, account.KDFIterations)
require.NoError(t, err)
walletDb.Close()
}

184
api/geth_backend.go
View File

@ -12,6 +12,7 @@ import (
"sync"
"time"
"github.com/status-im/status-go/common/dbsetup"
"github.com/status-im/status-go/images"
"github.com/status-im/status-go/walletdatabase"
@ -246,6 +247,7 @@ func (b *GethStatusBackend) DeleteMultiaccount(keyUID string, keyStoreDir string
return err
}
appDbPath := b.getAppDBPath(keyUID)
dbFiles := []string{
filepath.Join(b.rootDataDir, fmt.Sprintf("app-%x.sql", keyUID)),
filepath.Join(b.rootDataDir, fmt.Sprintf("app-%x.sql-shm", keyUID)),
@ -253,9 +255,9 @@ func (b *GethStatusBackend) DeleteMultiaccount(keyUID string, keyStoreDir string
filepath.Join(b.rootDataDir, fmt.Sprintf("%s.db", keyUID)),
filepath.Join(b.rootDataDir, fmt.Sprintf("%s.db-shm", keyUID)),
filepath.Join(b.rootDataDir, fmt.Sprintf("%s.db-wal", keyUID)),
filepath.Join(b.rootDataDir, fmt.Sprintf("%s-v4.db", keyUID)),
filepath.Join(b.rootDataDir, fmt.Sprintf("%s-v4.db-shm", keyUID)),
filepath.Join(b.rootDataDir, fmt.Sprintf("%s-v4.db-wal", keyUID)),
appDbPath,
appDbPath + "-shm",
appDbPath + "-wal",
}
for _, path := range dbFiles {
if _, err := os.Stat(path); err == nil {
@ -301,7 +303,7 @@ func (b *GethStatusBackend) runDBFileMigrations(account multiaccounts.Account, p
// Migrate file path to fix issue https://github.com/status-im/status-go/issues/2027
unsupportedPath := filepath.Join(b.rootDataDir, fmt.Sprintf("app-%x.sql", account.KeyUID))
v3Path := filepath.Join(b.rootDataDir, fmt.Sprintf("%s.db", account.KeyUID))
v4Path := filepath.Join(b.rootDataDir, fmt.Sprintf("%s-v4.db", account.KeyUID))
v4Path := b.getAppDBPath(account.KeyUID)
_, err := os.Stat(unsupportedPath)
if err == nil {
@ -378,7 +380,7 @@ func (b *GethStatusBackend) ensureWalletDBOpened(account multiaccounts.Account,
return errors.New("root datadir wasn't provided")
}
dbWalletPath := filepath.Join(b.rootDataDir, fmt.Sprintf("%s-wallet.db", account.KeyUID))
dbWalletPath := b.getWalletDBPath(account.KeyUID)
b.walletDB, err = walletdatabase.InitializeDB(dbWalletPath, password, account.KDFIterations)
if err != nil {
b.log.Error("failed to initialize wallet db", "err", err)
@ -798,7 +800,7 @@ func (b *GethStatusBackend) ExportUnencryptedDatabase(acc multiaccounts.Account,
return err
}
err = appdatabase.DecryptDatabase(dbPath, directory, password, acc.KDFIterations)
err = dbsetup.DecryptDatabase(dbPath, directory, password, acc.KDFIterations)
if err != nil {
b.log.Error("failed to initialize db", "err", err)
return err
@ -816,9 +818,9 @@ func (b *GethStatusBackend) ImportUnencryptedDatabase(acc multiaccounts.Account,
return errors.New("root datadir wasn't provided")
}
path := filepath.Join(b.rootDataDir, fmt.Sprintf("%s-v4.db", acc.KeyUID))
path := b.getAppDBPath(acc.KeyUID)
err := appdatabase.EncryptDatabase(databasePath, path, password, acc.KDFIterations, signal.SendReEncryptionStarted, signal.SendReEncryptionFinished)
err := dbsetup.EncryptDatabase(databasePath, path, password, acc.KDFIterations, signal.SendReEncryptionStarted, signal.SendReEncryptionFinished)
if err != nil {
b.log.Error("failed to initialize db", "err", err)
return err
@ -845,29 +847,59 @@ func (b *GethStatusBackend) reEncryptKeyStoreDir(currentPassword string, newPass
}
func (b *GethStatusBackend) ChangeDatabasePassword(keyUID string, password string, newPassword string) error {
dbPath := filepath.Join(b.rootDataDir, fmt.Sprintf("%s-v4.db", keyUID))
account, err := b.multiaccountsDB.GetAccount(keyUID)
if err != nil {
return err
}
file, err := os.CreateTemp("", "*-v4.db")
internalDbPath, err := dbsetup.GetDBFilename(b.appDB)
if err != nil {
return fmt.Errorf("failed to get database file name, %w", err)
}
isCurrentAccount := b.getAppDBPath(keyUID) == internalDbPath
restartNode := func() {
if isCurrentAccount {
if err != nil {
_ = b.startNodeWithAccount(*account, password, nil)
} else {
_ = b.startNodeWithAccount(*account, newPassword, nil)
}
}
}
defer restartNode()
logout := func() {
if isCurrentAccount {
_ = b.Logout()
}
}
noLogout := func() {}
err = b.changeWalletDBPassword(account, logout, password, newPassword)
if err != nil {
return err
}
newDBPath := file.Name()
defer func() {
_ = file.Close()
_ = os.Remove(newDBPath)
_ = os.Remove(newDBPath + "-wal")
_ = os.Remove(newDBPath + "-shm")
_ = os.Remove(newDBPath + "-journal")
}()
// Already logged out
err = b.changeAppDBPassword(account, noLogout, password, newPassword)
if err != nil {
return err
}
return nil
}
func (b *GethStatusBackend) changeAppDBPassword(account *multiaccounts.Account, logout func(), password string, newPassword string) error {
tmpDbPath, cleanup, err := b.createTempDBFile("v4.db")
if err != nil {
return err
}
defer cleanup()
dbPath := b.getAppDBPath(account.KeyUID)
// Exporting database to a temporary file with a new password
err = appdatabase.ExportDB(dbPath, password, account.KDFIterations, newDBPath, newPassword, signal.SendReEncryptionStarted, signal.SendReEncryptionFinished)
err = dbsetup.ExportDB(dbPath, password, account.KDFIterations, tmpDbPath, newPassword, signal.SendReEncryptionStarted, signal.SendReEncryptionFinished)
if err != nil {
return err
}
@ -879,32 +911,81 @@ func (b *GethStatusBackend) ChangeDatabasePassword(keyUID string, password strin
// Replacing the old database with the new one requires closing all connections to the database
// This is done by stopping the node and restarting it with the new DB
appDBPath, _ := appdatabase.GetDBFilename(b.appDB)
changeCurrentAccountPassword := appDBPath == dbPath
if changeCurrentAccountPassword {
_ = b.Logout()
}
logout()
// Replacing the old database files with the new ones, ignoring the wal and shm errors
err = os.Rename(newDBPath, dbPath)
replaceCleanup, err := replaceDBFile(dbPath, tmpDbPath)
if replaceCleanup != nil {
defer replaceCleanup()
}
if err != nil {
// Restore the old account
_ = b.reEncryptKeyStoreDir(newPassword, password)
if changeCurrentAccountPassword {
_ = b.startNodeWithAccount(*account, password, nil)
return err
}
return nil
}
func (b *GethStatusBackend) changeWalletDBPassword(account *multiaccounts.Account, logout func(), password string, newPassword string) error {
tmpDbPath, cleanup, err := b.createTempDBFile("wallet.db")
if err != nil {
return err
}
defer cleanup()
dbPath := b.getWalletDBPath(account.KeyUID)
// Exporting database to a temporary file with a new password
err = dbsetup.ExportDB(dbPath, password, account.KDFIterations, tmpDbPath, newPassword, signal.SendReEncryptionStarted, signal.SendReEncryptionFinished)
if err != nil {
return err
}
// Replacing the old database with the new one requires closing all connections to the database
// This is done by stopping the node and restarting it with the new DB
logout()
// Replacing the old database files with the new ones, ignoring the wal and shm errors
replaceCleanup, err := replaceDBFile(dbPath, tmpDbPath)
if replaceCleanup != nil {
defer replaceCleanup()
}
return err
}
func (b *GethStatusBackend) createTempDBFile(pattern string) (tmpDbPath string, cleanup func(), err error) {
if len(b.rootDataDir) == 0 {
err = errors.New("root datadir wasn't provided")
return
}
file, err := os.CreateTemp(filepath.Dir(b.rootDataDir), "*-"+pattern)
tmpDbPath = file.Name()
cleanup = func() {
filePath := file.Name()
_ = file.Close()
_ = os.Remove(filePath)
_ = os.Remove(filePath + "-wal")
_ = os.Remove(filePath + "-shm")
_ = os.Remove(filePath + "-journal")
}
return
}
func replaceDBFile(dbPath string, newDBPath string) (cleanup func(), err error) {
err = os.Rename(newDBPath, dbPath)
if err != nil {
return
}
cleanup = func() {
_ = os.Remove(dbPath + "-wal")
_ = os.Remove(dbPath + "-shm")
_ = os.Rename(newDBPath+"-wal", dbPath+"-wal")
_ = os.Rename(newDBPath+"-shm", dbPath+"-shm")
if changeCurrentAccountPassword {
return b.startNodeWithAccount(*account, newPassword, nil)
}
return nil
return
}
func (b *GethStatusBackend) ConvertToKeycardAccount(account multiaccounts.Account, s settings.Settings, keycardUID string, password string, newPassword string) error {
@ -996,7 +1077,7 @@ func (b *GethStatusBackend) ConvertToKeycardAccount(account multiaccounts.Accoun
return err
}
err = b.closeAppDB()
err = b.closeDBs()
if err != nil {
return err
}
@ -1191,7 +1272,7 @@ func (b *GethStatusBackend) ConvertToRegularAccount(mnemonic string, currPasswor
return err
}
err = b.ensureDBsOpened(multiaccounts.Account{KeyUID: accountInfo.KeyUID, KDFIterations: kdfIterations}, newPassword)
err = b.ensureDBsOpened(multiaccounts.Account{KeyUID: accountInfo.KeyUID, KDFIterations: kdfIterations}, currPassword)
if err != nil {
return err
}
@ -1252,7 +1333,7 @@ func (b *GethStatusBackend) ConvertToRegularAccount(mnemonic string, currPasswor
return err
}
err = b.closeAppDB()
err = b.closeDBs()
if err != nil {
return err
}
@ -1271,7 +1352,7 @@ func (b *GethStatusBackend) VerifyDatabasePassword(keyUID string, password strin
return err
}
err = b.closeAppDB()
err = b.closeDBs()
if err != nil {
return err
}
@ -1937,14 +2018,12 @@ func (b *GethStatusBackend) Logout() error {
if err != nil {
return err
}
err = b.closeAppDB()
err = b.closeDBs()
if err != nil {
return err
}
b.AccountManager().Logout()
b.appDB = nil
b.walletDB = nil
b.account = nil
if b.statusNode != nil {
@ -1973,6 +2052,14 @@ func (b *GethStatusBackend) cleanupServices() error {
return b.statusNode.Cleanup()
}
func (b *GethStatusBackend) closeDBs() error {
err := b.closeWalletDB()
if err != nil {
return err
}
return b.closeAppDB()
}
func (b *GethStatusBackend) closeAppDB() error {
if b.appDB != nil {
err := b.appDB.Close()
@ -1985,6 +2072,17 @@ func (b *GethStatusBackend) closeAppDB() error {
return nil
}
func (b *GethStatusBackend) closeWalletDB() error {
if b.walletDB != nil {
err := b.walletDB.Close()
if err != nil {
return err
}
b.walletDB = nil
}
return nil
}
// SelectAccount selects current wallet and chat accounts, by verifying that each address has corresponding account which can be decrypted
// using provided password. Once verification is done, the decrypted chat key is injected into Whisper (as a single identity,
// all previous identities are removed).
@ -2157,3 +2255,11 @@ func (b *GethStatusBackend) SwitchFleet(fleet string, conf *params.NodeConfig) e
func (b *GethStatusBackend) SetLocalPairing(value bool) {
b.localPairing = value
}
func (b *GethStatusBackend) getAppDBPath(keyUID string) string {
return filepath.Join(b.rootDataDir, fmt.Sprintf("%s-v4.db", keyUID))
}
func (b *GethStatusBackend) getWalletDBPath(keyUID string) string {
return filepath.Join(b.rootDataDir, fmt.Sprintf("%s-wallet.db", keyUID))
}

54
appdatabase/database.go
View File

@ -3,7 +3,6 @@ package appdatabase
import (
"database/sql"
"encoding/json"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
@ -77,59 +76,6 @@ func InitializeDB(path, password string, kdfIterationsNumber int) (*sql.DB, erro
return db, nil
}
// DecryptDatabase creates an unencrypted copy of the database and copies it
// over to the given directory
func DecryptDatabase(oldPath, newPath, password string, kdfIterationsNumber int) error {
return sqlite.DecryptDB(oldPath, newPath, password, kdfIterationsNumber)
}
// EncryptDatabase creates an encrypted copy of the database and copies it to the
// user path
func EncryptDatabase(oldPath, newPath, password string, kdfIterationsNumber int, onStart func(), onEnd func()) error {
return sqlite.EncryptDB(oldPath, newPath, password, kdfIterationsNumber, onStart, onEnd)
}
func ExportDB(path string, password string, kdfIterationsNumber int, newDbPAth string, newPassword string, onStart func(), onEnd func()) error {
return sqlite.ExportDB(path, password, kdfIterationsNumber, newDbPAth, newPassword, onStart, onEnd)
}
func ChangeDatabasePassword(path string, password string, kdfIterationsNumber int, newPassword string, onStart func(), onEnd func()) error {
return sqlite.ChangeEncryptionKey(path, password, kdfIterationsNumber, newPassword, onStart, onEnd)
}
// GetDBFilename takes an instance of sql.DB and returns the filename of the "main" database
func GetDBFilename(db *sql.DB) (string, error) {
if db == nil {
logger := log.New()
logger.Warn("GetDBFilename was passed a nil pointer sql.DB")
return "", nil
}
var i, category, filename string
rows, err := db.Query("PRAGMA database_list;")
if err != nil {
return "", err
}
defer rows.Close()
for rows.Next() {
err = rows.Scan(&i, &category, &filename)
if err != nil {
return "", err
}
// The "main" database is the one we care about
if category == "main" {
return filename, nil
}
}
if err := rows.Err(); err != nil {
return "", err
}
return "", errors.New("no main database found")
}
func migrateEnsUsernames(sqlTx *sql.Tx) error {
// 1. Check if ens_usernames table already exist

5
appdatabase/database_test.go
View File

@ -16,6 +16,7 @@ import (
"github.com/status-im/status-go/appdatabase/migrations"
migrationsprevnodecfg "github.com/status-im/status-go/appdatabase/migrationsprevnodecfg"
"github.com/status-im/status-go/common/dbsetup"
"github.com/status-im/status-go/nodecfg"
"github.com/status-im/status-go/services/wallet/bigint"
w_common "github.com/status-im/status-go/services/wallet/common"
@ -31,7 +32,7 @@ func Test_GetDBFilename(t *testing.T) {
require.NoError(t, stop())
}()
fn, err := GetDBFilename(db)
fn, err := dbsetup.GetDBFilename(db)
require.NoError(t, err)
require.True(t, len(fn) > 0)
@ -42,7 +43,7 @@ func Test_GetDBFilename(t *testing.T) {
require.NoError(t, mdb.Close())
}()
fn, err = GetDBFilename(mdb)
fn, err = dbsetup.GetDBFilename(mdb)
require.NoError(t, err)
require.Equal(t, "", fn)
}

61
common/dbsetup/db_setup.go
View File

@ -1,7 +1,66 @@
package dbsetup
import "database/sql"
import (
"database/sql"
"errors"
"github.com/ethereum/go-ethereum/log"
"github.com/status-im/status-go/sqlite"
)
type DatabaseInitializer interface {
Initialize(path, password string, kdfIterationsNumber int) (*sql.DB, error)
}
// DecryptDatabase creates an unencrypted copy of the database and copies it
// over to the given directory
func DecryptDatabase(oldPath, newPath, password string, kdfIterationsNumber int) error {
return sqlite.DecryptDB(oldPath, newPath, password, kdfIterationsNumber)
}
// EncryptDatabase creates an encrypted copy of the database and copies it to the
// user path
func EncryptDatabase(oldPath, newPath, password string, kdfIterationsNumber int, onStart func(), onEnd func()) error {
return sqlite.EncryptDB(oldPath, newPath, password, kdfIterationsNumber, onStart, onEnd)
}
func ExportDB(path string, password string, kdfIterationsNumber int, newDbPath string, newPassword string, onStart func(), onEnd func()) error {
return sqlite.ExportDB(path, password, kdfIterationsNumber, newDbPath, newPassword, onStart, onEnd)
}
func ChangeDatabasePassword(path string, password string, kdfIterationsNumber int, newPassword string, onStart func(), onEnd func()) error {
return sqlite.ChangeEncryptionKey(path, password, kdfIterationsNumber, newPassword, onStart, onEnd)
}
// GetDBFilename takes an instance of sql.DB and returns the filename of the "main" database
func GetDBFilename(db *sql.DB) (string, error) {
if db == nil {
logger := log.New()
logger.Warn("GetDBFilename was passed a nil pointer sql.DB")
return "", nil
}
var i, category, filename string
rows, err := db.Query("PRAGMA database_list;")
if err != nil {
return "", err
}
defer rows.Close()
for rows.Next() {
err = rows.Scan(&i, &category, &filename)
if err != nil {
return "", err
}
// The "main" database is the one we care about
if category == "main" {
return filename, nil
}
}
if err := rows.Err(); err != nil {
return "", err
}
return "", errors.New("no main database found")
}

4
multiaccounts/settings/database.go
View File

@ -8,7 +8,7 @@ import (
"sync"
"time"
"github.com/status-im/status-go/appdatabase"
"github.com/status-im/status-go/common/dbsetup"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/multiaccounts/errors"
"github.com/status-im/status-go/nodecfg"
@ -32,7 +32,7 @@ type Database struct {
// MakeNewDB ensures that a singleton instance of Database is returned per sqlite db file
func MakeNewDB(db *sql.DB) (*Database, error) {
filename, err := appdatabase.GetDBFilename(db)
filename, err := dbsetup.GetDBFilename(db)
if err != nil {
return nil, err
}

2
node/status_node_services.go
View File

@ -633,10 +633,12 @@ func (b *StatusNode) Cleanup() error {
}
}
if b.ensSrvc != nil {
err := b.ensSrvc.Stop()
if err != nil {
return err
}
}
return nil
}

4
services/wallet/activity/activity.go
View File

@ -304,7 +304,7 @@ const (
? AS includeAllNetworks
),
filter_addresses(address) AS (
SELECT HEX(address) FROM keypairs_accounts WHERE (SELECT filterAllAddresses FROM filter_conditions) != 0
SELECT HEX(address) FROM %s WHERE (SELECT filterAllAddresses FROM filter_conditions) != 0
UNION ALL
SELECT * FROM (VALUES %s) WHERE (SELECT filterAllAddresses FROM filter_conditions) = 0
),
@ -666,7 +666,7 @@ func getActivityEntries(ctx context.Context, deps FilterDependencies, addresses
return nil, err
}
queryString := fmt.Sprintf(queryFormatString, involvedAddresses, toAddresses, assetsTokenCodes, assetsERC20, networks,
queryString := fmt.Sprintf(queryFormatString, keypairAccountsTable, involvedAddresses, toAddresses, assetsTokenCodes, assetsERC20, networks,
joinedMTTypes)
rows, err := deps.db.QueryContext(ctx, queryString,

57
services/wallet/activity/activity_test.go
View File

@ -3,6 +3,7 @@ package activity
import (
"context"
"database/sql"
"fmt"
"math/big"
"testing"
@ -1272,3 +1273,59 @@ func BenchmarkGetActivityEntries(bArg *testing.B) {
})
}
}
func TestUpdateWalletKeypairsAccountsTable(t *testing.T) {
// initialize
appDb, err := helpers.SetupTestMemorySQLDB(appdatabase.DbInitializer{})
require.NoError(t, err)
walletDb, err := helpers.SetupTestMemorySQLDB(walletdatabase.DbInitializer{})
require.NoError(t, err)
accountsAppDb, err := accounts.NewDB(appDb)
require.NoError(t, err)
accountsWalletDb, err := accounts.NewDB(walletDb)
require.NoError(t, err)
// Check initially empty
addressesApp, err := accountsAppDb.GetWalletAddresses()
require.NoError(t, err)
require.Empty(t, addressesApp)
addressesWallet, err := accountsWalletDb.GetWalletAddresses()
require.Error(t, err) // no such table error
require.Empty(t, addressesWallet)
// Insert 2 addresses in app db, but only 1 is a wallet
addresses := []types.Address{{0x01}, {0x02}, {0x03}}
accounts := []*accounts.Account{
{Address: addresses[0], Chat: true, Wallet: true},
{Address: addresses[1], Wallet: true},
{Address: addresses[2]},
}
err = accountsAppDb.SaveOrUpdateAccounts(accounts, false)
require.NoError(t, err)
// Check only 2 wallet accs is returned in app db
addressesApp, err = accountsAppDb.GetWalletAddresses()
require.NoError(t, err)
require.Len(t, addressesApp, 2)
// update wallet DB
err = updateKeypairsAccountsTable(accountsAppDb, walletDb)
require.NoError(t, err)
// Check only 2 wallet acc is returned in wallet db
var count int
err = walletDb.QueryRow(fmt.Sprintf("SELECT count(address) FROM %s", keypairAccountsTable)).Scan(&count)
require.NoError(t, err)
require.Equal(t, count, 2)
// Compare addresses between app and wallet db
rows, err := walletDb.Query(fmt.Sprintf("SELECT address FROM %s", keypairAccountsTable))
require.NoError(t, err)
for rows.Next() {
var address types.Address
err = rows.Scan(&address)
require.NoError(t, err)
require.Contains(t, addresses, address)
}
defer rows.Close()
}

2
sqlite/sqlite.go
View File

@ -200,7 +200,7 @@ func openDB(path string, key string, kdfIterationsNumber int, cipherPageSize int
// readers do not block writers and faster i/o operations
if _, err := conn.Exec("PRAGMA journal_mode=WAL", []driver.Value{}); err != nil && path != InMemoryPath {
return errors.New("failed to set `journal_mode` pragma")
return fmt.Errorf("failed to set `journal_mode` pragma: %w", err)
}
// workaround to mitigate the issue of "database is locked" errors during concurrent write operations