polkadotGetAddress

Use requirement

• Firmware version required
  • UKey Lite 24 / UKey Lite 25: 3.0.0
  • UKey Core 26: 4.3.0
• Joystream Chain Firmware version required
  • UKey Lite 24 / UKey Lite 25: 3.6.0
  • UKey Core 26: 4.7.0
• Manta Chain Firmware version required
  • UKey Lite 24 / UKey Lite 25: 3.7.0
  • UKey Core 26: 4.9.0

Polkadot: get address

Retrieves BIP32 extended public derived by given BIP32 path. User is presented with a description of the requested key and asked to confirm the export.

const result = await HardwareSDK.polkadotGetAddress(
  connectId,
  deviceId,
  params,
);

Params

Optional common params

Exporting single public key

• path - required string | Array<number> minimum length is 3. read more
• prefix - required string Address prefix. Default is set to nexatest
• network - required string Network name, Default is set to polkadot
• showOnUKey - optional boolean determines if address will be displayed on device. Default is set to true

Exporting bundle of public keys

• bundle - Array of Objects with path, coin fields

Example

Return public key of first ethereum account:

HardwareSDK.polkadotGetAddress(connectId, deviceId, {
  path: "m/44'/354'/0'/0'/0'",
  showOnUKey: true,
  isTestnet: false,
});

Return a bundle of public keys for multiple ethereum accounts:

HardwareSDK.polkadotGetAddress(connectId, deviceId, {
  bundle: [
    { path: "m/44'/354'/0'/0'/1'" }, // account 1
    { path: "m/44'/354'/0'/0'/2'" }, // account 2
    { path: "m/44'/354'/0'/0'/3'" }, // account 3
  ],
});

Result

Result with only one public key

{
    success: true,
    payload: {
        path: Array<number>, // hardended path
        address: string,   // address
        publicKey: string, // publicKey
    }
}

Result with bundle of public keys

{
    success: true,
    payload: [
        { path, address, publicKey }, // account 1
        { path, address, publicKey }, // account 2
        { path, address, publicKey }, // account 3
    ]
}

Error

{
    success: false,
    payload: {
        error: string, // error message
        code: number // error code
    }
}