accounts, signer: fix Ledger Live account derivation path (clef) (#21757)
* signer/core/api: fix derivation of ledger live accounts For ledger hardware wallets, change account iteration as follows: - ledger legacy: m/44'/60'/0'/X; for 0<=X<5 - ledger live: m/44'/60'/0'/0/X; for 0<=X<5 - ledger legacy: m/44'/60'/0'/X; for 0<=X<10 - ledger live: m/44'/60'/X'/0/0; for 0<=X<10 Non-ledger derivation is unchanged and remains as: - non-ledger: m/44'/60'/0'/0/X; for 0<=X<10 * signer/core/api: derive ten default paths for all hardware wallets, plus ten legacy and ten live paths for ledger wallets * signer/core/api: as .../0'/0/0 already included by default paths, do not include it again with ledger live paths * accounts, signer: implement path iterators for hd wallets Co-authored-by: Martin Holst Swende <martin@swende.se>
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Kristofer Peterson
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GitHub
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fa572cd297
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b71334ac3d
@ -322,62 +322,65 @@ func (api *SignerAPI) openTrezor(url accounts.URL) {
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// startUSBListener starts a listener for USB events, for hardware wallet interaction
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func (api *SignerAPI) startUSBListener() {
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events := make(chan accounts.WalletEvent, 16)
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eventCh := make(chan accounts.WalletEvent, 16)
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am := api.am
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am.Subscribe(events)
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go func() {
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am.Subscribe(eventCh)
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// Open any wallets already attached
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for _, wallet := range am.Wallets() {
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if err := wallet.Open(""); err != nil {
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log.Warn("Failed to open wallet", "url", wallet.URL(), "err", err)
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if err == usbwallet.ErrTrezorPINNeeded {
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go api.openTrezor(wallet.URL())
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}
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}
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}
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go api.derivationLoop(eventCh)
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}
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// Open any wallets already attached
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for _, wallet := range am.Wallets() {
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if err := wallet.Open(""); err != nil {
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log.Warn("Failed to open wallet", "url", wallet.URL(), "err", err)
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// derivationLoop listens for wallet events
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func (api *SignerAPI) derivationLoop(events chan accounts.WalletEvent) {
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// Listen for wallet event till termination
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for event := range events {
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switch event.Kind {
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case accounts.WalletArrived:
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if err := event.Wallet.Open(""); err != nil {
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log.Warn("New wallet appeared, failed to open", "url", event.Wallet.URL(), "err", err)
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if err == usbwallet.ErrTrezorPINNeeded {
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go api.openTrezor(wallet.URL())
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go api.openTrezor(event.Wallet.URL())
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}
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}
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}
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// Listen for wallet event till termination
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for event := range events {
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switch event.Kind {
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case accounts.WalletArrived:
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if err := event.Wallet.Open(""); err != nil {
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log.Warn("New wallet appeared, failed to open", "url", event.Wallet.URL(), "err", err)
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if err == usbwallet.ErrTrezorPINNeeded {
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go api.openTrezor(event.Wallet.URL())
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case accounts.WalletOpened:
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status, _ := event.Wallet.Status()
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log.Info("New wallet appeared", "url", event.Wallet.URL(), "status", status)
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var derive = func(limit int, next func() accounts.DerivationPath) {
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// Derive first N accounts, hardcoded for now
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for i := 0; i < limit; i++ {
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path := next()
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if acc, err := event.Wallet.Derive(path, true); err != nil {
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log.Warn("Account derivation failed", "error", err)
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} else {
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log.Info("Derived account", "address", acc.Address, "path", path)
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}
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}
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case accounts.WalletOpened:
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status, _ := event.Wallet.Status()
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log.Info("New wallet appeared", "url", event.Wallet.URL(), "status", status)
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var derive = func(numToDerive int, base accounts.DerivationPath) {
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// Derive first N accounts, hardcoded for now
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var nextPath = make(accounts.DerivationPath, len(base))
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copy(nextPath[:], base[:])
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for i := 0; i < numToDerive; i++ {
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acc, err := event.Wallet.Derive(nextPath, true)
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if err != nil {
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log.Warn("Account derivation failed", "error", err)
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} else {
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log.Info("Derived account", "address", acc.Address, "path", nextPath)
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}
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nextPath[len(nextPath)-1]++
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}
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}
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if event.Wallet.URL().Scheme == "ledger" {
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log.Info("Deriving ledger default paths")
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derive(numberOfAccountsToDerive/2, accounts.DefaultBaseDerivationPath)
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log.Info("Deriving ledger legacy paths")
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derive(numberOfAccountsToDerive/2, accounts.LegacyLedgerBaseDerivationPath)
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} else {
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derive(numberOfAccountsToDerive, accounts.DefaultBaseDerivationPath)
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}
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case accounts.WalletDropped:
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log.Info("Old wallet dropped", "url", event.Wallet.URL())
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event.Wallet.Close()
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}
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log.Info("Deriving default paths")
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derive(numberOfAccountsToDerive, accounts.DefaultIterator(accounts.DefaultBaseDerivationPath))
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if event.Wallet.URL().Scheme == "ledger" {
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log.Info("Deriving ledger legacy paths")
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derive(numberOfAccountsToDerive, accounts.DefaultIterator(accounts.LegacyLedgerBaseDerivationPath))
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log.Info("Deriving ledger live paths")
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// For ledger live, since it's based off the same (DefaultBaseDerivationPath)
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// as one we've already used, we need to step it forward one step to avoid
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// hitting the same path again
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nextFn := accounts.LedgerLiveIterator(accounts.DefaultBaseDerivationPath)
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nextFn()
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derive(numberOfAccountsToDerive, nextFn)
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}
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case accounts.WalletDropped:
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log.Info("Old wallet dropped", "url", event.Wallet.URL())
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event.Wallet.Close()
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}
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}()
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}
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}
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// List returns the set of wallet this signer manages. Each wallet can contain
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