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@ledgerhq/hw-app-polkadot

Ledger Hardware Wallet Polkadot JavaScript bindings.

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Are you adding Ledger support to your software wallet?

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

For a smooth and quick integration:

• See the developers’ documentation on the Developer Portal and
• Go on Discord to chat with developer support and the developer community.

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API

Table of Contents

• Polkadot
  • Parameters
  • Examples
  • getAddress
    • Parameters
  • sign
    • Parameters

Polkadot

Polkadot API

Parameters

• transport Transport

Examples

import Polkadot from "@ledgerhq/hw-app-polkadot";
const polkadot = new Polkadot(transport)

getAddress

Parameters

• path string
• ss58prefix number (optional, default 0)
• showAddrInDevice boolean if true, user must valid if the address is correct on the device (optional, default false)
• runtimeUpgraded (optional, default false)

Returns Promise<{pubKey: string, address: string, return_code: number}>

sign

Sign a payload

Parameters

• path any
• message string payload
• metadata string

Returns string signed payload to be broadcasted