gitlab.com/aquachain/aquachain@v1.17.16-rc3.0.20221018032414-e3ddf1e1c055/aqua/accounts/usbwallet/dummy.go (about)

     1  // Copyright 2018 The aquachain Authors
     2  // This file is part of the aquachain library.
     3  //
     4  // The aquachain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The aquachain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // +build !usb
    18  
    19  package usbwallet
    20  
    21  import (
    22  	"errors"
    23  
    24  	"gitlab.com/aquachain/aquachain/aqua/accounts"
    25  	"gitlab.com/aquachain/aquachain/aqua/event"
    26  )
    27  
    28  // Hub is a accounts.Backend that can find and handle generic USB hardware wallets.
    29  type Hub struct{}
    30  
    31  // NewLedgerHub creates a new hardware wallet manager for Ledger devices.
    32  func NewLedgerHub() (*Hub, error) {
    33  	return nil, accounts.ErrNotSupported
    34  }
    35  
    36  // ErrTrezorPINNeeded is returned if opening the trezor requires a PIN code. In
    37  // this case, the calling application should display a pinpad and send back the
    38  // encoded passphrase.
    39  var ErrTrezorPINNeeded = errors.New("trezor: pin needed")
    40  
    41  // NewTrezorHub creates a new hardware wallet manager for Trezor devices.
    42  func NewTrezorHub() (*Hub, error) {
    43  	return nil, accounts.ErrNotSupported
    44  }
    45  
    46  // Wallets implements accounts.Backend, returning all the currently tracked USB
    47  // devices that appear to be hardware wallets.
    48  func (hub *Hub) Wallets() []accounts.Wallet {
    49  	return nil
    50  }
    51  
    52  // Subscribe implements accounts.Backend, creating an async subscription to
    53  // receive notifications on the addition or removal of USB wallets.
    54  func (hub *Hub) Subscribe(sink chan<- accounts.WalletEvent) event.Subscription {
    55  	return nil
    56  }