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polkadotSignTransaction

Use requirement​

  • Firmware version required
    • UKey Lite 24 / UKey Lite 25: 3.0.0
    • UKey Core 26: 4.3.0

Polkadot: Sign transaction​

Asks device to sign given transaction using the private key derived by given BIP32 path. User is asked to confirm all transaction details on Ukey Wallet.

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

Params​

Optional common params

  • path - required string | Array<number> minimum length is 3. read more
  • network - required string Network name, Default is set to polkadot
  • rawTx - required string type of serialized transaction string.

Examples​

const response = await HardwareSDK.polkadotSignTransaction(
  connectId,
  deviceId,
  {
    path: "m/44'/354'/0'/0'/0'",
    rawTx:
      "040300388671dd546ba19495211c8cdc200600f9798cf078fca0fb4749ebbc0579c12a0700e40b5402350128009a24000012000000e143f23803ac50e8f6f8e62695d1ce9e4e1d68aa36c1cd2cfd15340213f3423ee356a704dbe75762aaae87b0f4702aafd09e67eed5d09a3a4b0e7da6c37b6f54",
  },
);

Result

{
  success: true,
  payload: {
    path: "m/44'/354'/0'/0'/0'",
    signature: "signed data"
  }
}

Error

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