package protocol import ( "context" "errors" "time" "github.com/golang/protobuf/proto" "go.uber.org/zap" ethcommon "github.com/ethereum/go-ethereum/common" "github.com/status-im/status-go/account" "github.com/status-im/status-go/eth-node/types" "github.com/status-im/status-go/multiaccounts/accounts" "github.com/status-im/status-go/protocol/common" "github.com/status-im/status-go/protocol/encryption/multidevice" "github.com/status-im/status-go/protocol/protobuf" ) var ( checkBalancesInterval = time.Minute * 10 ErrCannotChangeKeypairName = errors.New("cannot change profile keypair name") ) func (m *Messenger) retrieveWalletBalances() error { if m.walletAPI == nil { m.logger.Warn("wallet api not enabled") } accounts, err := m.settings.GetActiveAccounts() if err != nil { return err } if len(accounts) == 0 { m.logger.Info("no accounts to sync wallet balance") } var ethAccounts []ethcommon.Address for _, acc := range accounts { m.logger.Info("syncing wallet address", zap.String("account", acc.Address.Hex())) ethAccounts = append(ethAccounts, ethcommon.BytesToAddress(acc.Address.Bytes())) } ctx, cancel := context.WithTimeout(context.Background(), time.Minute*5) defer cancel() // TODO: publish tokens as a signal _, err = m.walletAPI.GetWalletToken(ctx, ethAccounts) if err != nil { return err } return nil } func (m *Messenger) watchWalletBalances() { m.logger.Info("watching wallet balances") if m.walletAPI == nil { m.logger.Warn("wallet service not enabled") return } go func() { for { select { case <-time.After(checkBalancesInterval): err := m.retrieveWalletBalances() if err != nil { m.logger.Error("failed to retrieve wallet balances", zap.Error(err)) } case <-m.quit: return } } }() } func (m *Messenger) UpdateKeypairName(keyUID string, name string) error { if keyUID == m.account.KeyUID && name != m.account.Name { // profile keypair name must always follow profile display name return ErrCannotChangeKeypairName } clock, _ := m.getLastClockWithRelatedChat() err := m.settings.UpdateKeypairName(keyUID, name, clock, keyUID == m.account.KeyUID) if err != nil { return err } return m.resolveAndSyncKeypairOrJustWalletAccount(keyUID, types.Address{}, clock, m.dispatchMessage) } func (m *Messenger) MoveWalletAccount(fromPosition int64, toPosition int64) error { clock, _ := m.getLastClockWithRelatedChat() err := m.settings.MoveWalletAccount(fromPosition, toPosition, clock) if err != nil { return err } return m.syncAccountsPositions(m.dispatchMessage) } func (m *Messenger) resolveAndSetAccountPropsMaintainedByBackend(acc *accounts.Account) error { // Account position is fully maintained by the backend, no need client to set it explicitly. // To support DragAndDrop feature for accounts there is exposed `MoveWalletAccount` which // moves an account to the passed position. // // Account operability is fully maintained by the backend, for new accounts created on this device // it is always set to fully operable, while for accounts received by syncing process or fetched from waku // is set by logic placed in `resolveAccountOperability` function. // // TODO: making not or partially operable accounts fully operable will be added later, but for sure it will // be handled by the backend only, no need client to set it explicitly. dbAccount, err := m.settings.GetAccountByAddress(acc.Address) if err != nil && err != accounts.ErrDbAccountNotFound { return err } if dbAccount != nil { acc.Position = dbAccount.Position acc.Operable = dbAccount.Operable } else { pos, err := m.settings.GetPositionForNextNewAccount() if err != nil { return err } acc.Position = pos acc.Operable = accounts.AccountFullyOperable } return nil } func (m *Messenger) SaveOrUpdateKeypair(keypair *accounts.Keypair) error { if keypair.KeyUID == m.account.KeyUID && keypair.Name != m.account.Name { // profile keypair name must always follow profile display name return ErrCannotChangeKeypairName } clock, _ := m.getLastClockWithRelatedChat() keypair.Clock = clock for _, acc := range keypair.Accounts { acc.Clock = clock err := m.resolveAndSetAccountPropsMaintainedByBackend(acc) if err != nil { return err } } err := m.settings.SaveOrUpdateKeypair(keypair) if err != nil { return err } return m.resolveAndSyncKeypairOrJustWalletAccount(keypair.KeyUID, types.Address{}, keypair.Clock, m.dispatchMessage) } func (m *Messenger) SaveOrUpdateAccount(acc *accounts.Account) error { clock, _ := m.getLastClockWithRelatedChat() acc.Clock = clock err := m.resolveAndSetAccountPropsMaintainedByBackend(acc) if err != nil { return err } err = m.settings.SaveOrUpdateAccounts([]*accounts.Account{acc}, true) if err != nil { return err } return m.resolveAndSyncKeypairOrJustWalletAccount(acc.KeyUID, acc.Address, acc.Clock, m.dispatchMessage) } func (m *Messenger) deleteKeystoreFileForAddress(address types.Address) error { acc, err := m.settings.GetAccountByAddress(address) if err != nil { return err } if acc.Operable == accounts.AccountNonOperable || acc.Operable == accounts.AccountPartiallyOperable { return nil } if acc.Type != accounts.AccountTypeWatch { kp, err := m.settings.GetKeypairByKeyUID(acc.KeyUID) if err != nil { return err } lastAcccountOfKeypairWithTheSameKey := len(kp.Accounts) == 1 if len(kp.Keycards) == 0 { err = m.accountsManager.DeleteAccount(address) var e *account.ErrCannotLocateKeyFile if err != nil && !errors.As(err, &e) { return err } if acc.Type != accounts.AccountTypeKey { if lastAcccountOfKeypairWithTheSameKey { err = m.accountsManager.DeleteAccount(types.Address(ethcommon.HexToAddress(kp.DerivedFrom))) var e *account.ErrCannotLocateKeyFile if err != nil && !errors.As(err, &e) { return err } } } } } return nil } func (m *Messenger) DeleteAccount(address types.Address) error { acc, err := m.settings.GetAccountByAddress(address) if err != nil { return err } if acc.Chat { return accounts.ErrCannotRemoveProfileAccount } if acc.Wallet { return accounts.ErrCannotRemoveDefaultWalletAccount } err = m.deleteKeystoreFileForAddress(address) if err != nil { return err } clock, _ := m.getLastClockWithRelatedChat() err = m.settings.RemoveAccount(address, clock) if err != nil { return err } err = m.resolveAndSyncKeypairOrJustWalletAccount(acc.KeyUID, acc.Address, clock, m.dispatchMessage) if err != nil { return err } // In case when user deletes an account, we need to send sync message after an account gets deleted, // and then (after that) update the positions of other accoutns. That's needed to handle properly // accounts order on the paired devices. err = m.settings.ResolveAccountsPositions(clock) if err != nil { return err } // Since some keypairs may be received out of expected order, we're aligning that by sending accounts position sync msg. return m.syncAccountsPositions(m.dispatchMessage) } func (m *Messenger) DeleteKeypair(keyUID string) error { kp, err := m.settings.GetKeypairByKeyUID(keyUID) if err != nil { return err } if kp.Type == accounts.KeypairTypeProfile { return accounts.ErrCannotRemoveProfileKeypair } for _, acc := range kp.Accounts { err = m.deleteKeystoreFileForAddress(acc.Address) if err != nil { return err } } clock, _ := m.getLastClockWithRelatedChat() err = m.settings.RemoveKeypair(keyUID, clock) if err != nil { return err } err = m.resolveAndSyncKeypairOrJustWalletAccount(kp.KeyUID, types.Address{}, clock, m.dispatchMessage) if err != nil { return err } // In case when user deletes entire keypair, we need to send sync message after a keypair gets deleted, // and then (after that) update the positions of other accoutns. That's needed to handle properly // accounts order on the paired devices. err = m.settings.ResolveAccountsPositions(clock) if err != nil { return err } // Since some keypairs may be received out of expected order, we're aligning that by sending accounts position sync msg. return m.syncAccountsPositions(m.dispatchMessage) } func (m *Messenger) prepareSyncAccountMessage(acc *accounts.Account) *protobuf.SyncAccount { return &protobuf.SyncAccount{ Clock: acc.Clock, Address: acc.Address.Bytes(), KeyUid: acc.KeyUID, PublicKey: acc.PublicKey, Path: acc.Path, Name: acc.Name, ColorId: string(acc.ColorID), Emoji: acc.Emoji, Wallet: acc.Wallet, Chat: acc.Chat, Hidden: acc.Hidden, Removed: acc.Removed, Position: acc.Position, } } func (m *Messenger) getMyInstallationMetadata() (*multidevice.InstallationMetadata, error) { installation, ok := m.allInstallations.Load(m.installationID) if !ok { return nil, errors.New("no installation found") } if installation.InstallationMetadata == nil { return nil, errors.New("no installation metadata") } return installation.InstallationMetadata, nil } func (m *Messenger) prepareSyncKeypairMessage(kp *accounts.Keypair) (*protobuf.SyncKeypair, error) { message := &protobuf.SyncKeypair{ Clock: kp.Clock, KeyUid: kp.KeyUID, Name: kp.Name, Type: kp.Type.String(), DerivedFrom: kp.DerivedFrom, LastUsedDerivationIndex: kp.LastUsedDerivationIndex, SyncedFrom: kp.SyncedFrom, Removed: kp.Removed, } if kp.SyncedFrom == "" { installationMetadata, err := m.getMyInstallationMetadata() if err != nil { return nil, err } message.SyncedFrom = installationMetadata.Name } for _, acc := range kp.Accounts { sAcc := m.prepareSyncAccountMessage(acc) if sAcc == nil { continue } message.Accounts = append(message.Accounts, sAcc) } syncKcMsgs, err := m.prepareSyncKeycardsMessage(kp.KeyUID) if err != nil { return nil, err } message.Keycards = syncKcMsgs return message, nil } func (m *Messenger) syncAccountsPositions(rawMessageHandler RawMessageHandler) error { if !m.hasPairedDevices() { return nil } ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) defer cancel() _, chat := m.getLastClockWithRelatedChat() allDbAccounts, err := m.settings.GetActiveAccounts() if err != nil { return err } lastUpdate, err := m.settings.GetClockOfLastAccountsPositionChange() if err != nil { return err } message := &protobuf.SyncAccountsPositions{ Clock: lastUpdate, } for _, acc := range allDbAccounts { if acc.Chat { continue } message.Accounts = append(message.Accounts, m.prepareSyncAccountMessage(acc)) } encodedMessage, err := proto.Marshal(message) if err != nil { return err } rawMessage := common.RawMessage{ LocalChatID: chat.ID, Payload: encodedMessage, MessageType: protobuf.ApplicationMetadataMessage_SYNC_ACCOUNTS_POSITIONS, ResendAutomatically: true, } _, err = rawMessageHandler(ctx, rawMessage) return err } func (m *Messenger) syncWalletAccount(acc *accounts.Account, rawMessageHandler RawMessageHandler) error { if !m.hasPairedDevices() { return nil } ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) defer cancel() _, chat := m.getLastClockWithRelatedChat() message := m.prepareSyncAccountMessage(acc) encodedMessage, err := proto.Marshal(message) if err != nil { return err } rawMessage := common.RawMessage{ LocalChatID: chat.ID, Payload: encodedMessage, MessageType: protobuf.ApplicationMetadataMessage_SYNC_ACCOUNT, ResendAutomatically: true, } _, err = rawMessageHandler(ctx, rawMessage) return err } func (m *Messenger) syncKeypair(keypair *accounts.Keypair, rawMessageHandler RawMessageHandler) (err error) { if !m.hasPairedDevices() { return nil } ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) defer cancel() _, chat := m.getLastClockWithRelatedChat() rawMessage := common.RawMessage{ LocalChatID: chat.ID, ResendAutomatically: true, MessageType: protobuf.ApplicationMetadataMessage_SYNC_KEYPAIR, } message, err := m.prepareSyncKeypairMessage(keypair) if err != nil { return err } rawMessage.Payload, err = proto.Marshal(message) if err != nil { return err } _, err = rawMessageHandler(ctx, rawMessage) return err } // This function resolves which protobuf message needs to be sent. // // If `KeyUID` is empty (means it's a watch only account) we send `protobuf.SyncAccount` message // otherwise means the account belong to a keypai, hence we send `protobuf.SyncKeypair` message func (m *Messenger) resolveAndSyncKeypairOrJustWalletAccount(keyUID string, address types.Address, clock uint64, rawMessageHandler RawMessageHandler) error { if !m.hasPairedDevices() { return nil } if keyUID == "" { var dbAccount *accounts.Account allDbAccounts, err := m.settings.GetAllAccounts() // removed accounts included if err != nil { return err } for _, acc := range allDbAccounts { if acc.Address == address { dbAccount = acc break } } if dbAccount == nil { return accounts.ErrDbAccountNotFound } err = m.syncWalletAccount(dbAccount, rawMessageHandler) if err != nil { return err } } else { var dbKeypair *accounts.Keypair allDbKeypairs, err := m.settings.GetAllKeypairs() // removed keypairs included if err != nil { return err } for _, kp := range allDbKeypairs { if kp.KeyUID == keyUID { dbKeypair = kp break } } if dbKeypair == nil { return accounts.ErrDbKeypairNotFound } err = m.syncKeypair(dbKeypair, rawMessageHandler) if err != nil { return err } } _, chat := m.getLastClockWithRelatedChat() chat.LastClockValue = clock return m.saveChat(chat) }