@ledgerhq/hw-app-cosmos/README.md

Ledger Hardware Wallet Cosmos Application API

<img src="https://user-images.githubusercontent.com/4631227/191834116-59cf590e-25cc-4956-ae5c-812ea464f324.png" height="100" />

[GitHub](https://github.com/LedgerHQ/ledger-live/),
[Ledger Devs Discord](https://developers.ledger.com/discord-pro),
[Developer Portal](https://developers.ledger.com/)

## @ledgerhq/hw-app-cosmos

Ledger Hardware Wallet Cosmos JavaScript bindings.

***

## Are you adding Ledger support to your software wallet?

You may be using this package to communicate with the Cosmos Nano App.

For a smooth and quick integration:

*   See the developers’ documentation on the [Developer Portal](https://developers.ledger.com/docs/transport/overview/) and
*   Go on [Discord](https://developers.ledger.com/discord-pro/) to chat with developer support and the developer community.

***

## API

<!-- Generated by documentation.js. Update this documentation by updating the source code. -->

#### Table of Contents

*   [Cosmos](#cosmos)
    *   [Parameters](#parameters)
    *   [Examples](#examples)
    *   [getAddress](#getaddress)
        *   [Parameters](#parameters-1)
        *   [Examples](#examples-1)

### Cosmos

Cosmos API

#### Parameters

*   `transport` **Transport**&#x20;
*   `scrambleKey` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)**  (optional, default `APP_KEY`)

#### Examples

```javascript
import Cosmos from "@ledgerhq/hw-app-cosmos";
const cosmos = new Cosmos(transport)
```

#### getAddress

get Cosmos address for a given BIP 32 path.

##### Parameters

*   `path` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** a path in BIP 32 format
*   `hrp` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** usually cosmos
*   `boolDisplay` **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?**&#x20;

##### Examples

```javascript
cosmos.getAddress("44'/60'/0'/0/0", "cosmos").then(o => o.address)
```

Returns **[Promise](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)<{publicKey: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String), address: [string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)}>** an object with a publicKey, address and (optionally) chainCode