包详细信息

GitHub, Ledger Devs Discord, Developer Portal

@ledgerhq/hw-transport-node-hid-noevents

Allows to communicate with Ledger Hardware Wallets.

[Node]/Electron (HID) – uses only node-hid. Does not provide USB events.

API

Table of Contents

• TransportNodeHidNoEvents
  • Parameters
  • Examples
  • exchange
    • Parameters
  • close
  • isSupported
  • list
  • listen
    • Parameters
  • open
    • Parameters

TransportNodeHidNoEvents

Extends Transport

node-hid Transport minimal implementation

Parameters

• device HID.HID

• $1 {context: TraceContext?, logType: LogType?} (optional, default {})

  • $1.context
  • $1.logType

Examples

import TransportNodeHid from "@ledgerhq/hw-transport-node-hid-noevents";
...
TransportNodeHid.create().then(transport => ...)

exchange

Exchange with the device using APDU protocol.

Parameters

• apdu Buffer

Returns Promise[Buffer](https://nodejs.org/api/buffer.html) a promise of apdu response

close

release the USB device.

Returns Promise\<void>

isSupported

Returns Promise[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)

list

Returns Promise\<any>

listen

Parameters

• observer Observer\<DescriptorEvent\<any>>

Returns Subscription

open

if path="" is not provided, the library will take the first device

Parameters

• path (string | null | undefined)