Class: TrezorExportExtendedPublicKey

trezor.TrezorExportExtendedPublicKey()

Returns the extended public key at a given BIP32 path.

Constructor

new TrezorExportExtendedPublicKey()

Source:
Example
import {MAINNET} from "unchained-bitcoin";
import {TrezorExportExtendedPublicKey} from "unchained-wallets";
const interaction = new TrezorExportExtendedPublicKey({network: MAINNET, bip32Path: "m/48'/0'/0'"});
const xpub = await interaction.run();
console.log(xpub);
// "xpub..."

Extends

Methods

connectParams() → {Array.<function(), Object>}

See https://github.com/trezor/connect/blob/v8/docs/methods/getPublicKey.md.

Overrides:
Source:
Returns:

TrezorConnect parameters

Type
Array.<function(), Object>

messages() → {Array.<module:interaction.Message>}

Adds messages related to warnings Trezor devices make depending on the BIP32 path passed.

Overrides:
Source:
Returns:

messages for this interaction

Type
Array.<module:interaction.Message>

parse() → {void}

Throws an error.

Overrides:
Source:
Throws:

An error since this is a direct interaction.

Returns:
Type
void

parsePayload(payload) → {string|Object}

Parses the extended public key from the HD node response.

If asking for XFP, return object with xpub and the root fingerprint.

Parameters:
Name Type Description
payload object

the original payload from the device response
Overrides:
Source:
Returns:

the extended public key (returns object if asked to include root fingerprint)

Type
string | Object

request() → {void}

Throws an error.

Overrides:
Source:
Throws:

An error since this is a direct interaction.

Returns:
Type
void

(async) run() → {Promise}

Awaits the call of this.method, passing in the output of this.params().

If the call returns but is unsuccessful (result.success) is false, will throw the returned error message. If some other error is thrown, it will not be caught.

Otherwise it returns the result of passing result.payload to this.parsePayload.

Overrides:
Source:
Returns:

handles the work of calling TrezorConnect

Type
Promise