diff options
Diffstat (limited to 'accounts/usbwallet/ledger_wallet.go')
| -rw-r--r-- | accounts/usbwallet/ledger_wallet.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/accounts/usbwallet/ledger_wallet.go b/accounts/usbwallet/ledger_wallet.go index 698e85f48..f1beebb2c 100644 --- a/accounts/usbwallet/ledger_wallet.go +++ b/accounts/usbwallet/ledger_wallet.go @@ -83,6 +83,7 @@ var errInvalidVersionReply = errors.New("invalid version reply") // ledgerWallet represents a live USB Ledger hardware wallet. type ledgerWallet struct { + hub *LedgerHub // USB hub the device originates from (TODO(karalabe): remove if hotplug lands on Windows) url *accounts.URL // Textual URL uniquely identifying this wallet info hid.DeviceInfo // Known USB device infos about the wallet @@ -576,6 +577,17 @@ func (w *ledgerWallet) SignTx(account accounts.Account, tx *types.Transaction, c <-w.commsLock defer func() { w.commsLock <- struct{}{} }() + // Ensure the device isn't screwed with while user confirmation is pending + // TODO(karalabe): remove if hotplug lands on Windows + w.hub.commsLock.Lock() + w.hub.commsPend++ + w.hub.commsLock.Unlock() + + defer func() { + w.hub.commsLock.Lock() + w.hub.commsPend-- + w.hub.commsLock.Unlock() + }() return w.ledgerSign(path, account.Address, tx, chainID) } |