kaspaSignTransaction

Use requirement

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

Kaspa: 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.kaspaSignTransaction(
  connectId,
  deviceId,
  params,
);

Params

Optional common params

• version - required number transaction version.
• inputs - required Array of KaspaSignInputParams.
• outputs - required Array of KaspaSignOutputParams.
• lockTime - required number
• sigHashType - required number

  • SIGHASH_ALL = 0x01,
    SIGHASH_NONE = 0x02,
    SIGHASH_SINGLE = 0x03,
    SIGHASH_FORKID = 0x40,
    SIGHASH_ANYONECANPAY = 0x80,

• sigOpCount - optional number
• subNetworkID - optional string
• prefix - optional string Address prefix. Default is set to kaspa
• scheme - optional string Encryption algorithm mode. Default is set to schnorr

Examples

const response = await HardwareSDK.kaspaSignTransaction(connectId, deviceId, {
  version: 0,
  lockTime: "0",
  sigHashType: 0x1,
  sigOpCount: 1,
  subNetworkID: "00000000000000000000000000000000",
  prefix: "prefix",
  scheme: "schnorr",
  inputs: [
    {
      outputIndex: 1,
      path: "m/44'/111111'/0'/0/0",
      prevTxId:
        "1f226507807ff7dc5a7f8f2dec353fffc9dacc2645d8aecd02e5046907e3e2b2",
      sequenceNumber: "0",
      sigOpCount: 1,
      output: {
        satoshis: "990096458",
        script:
          "207afdae557e69c0040fd4135adffc60f9486fb21f4cbae233fd6db3e84ba47c55ac",
      },
    },
  ],
  outputs: [
    {
      satoshis: "100000000",
      script:
        "205ca3a7530284e5c5e472544edd6002c3afeb8c8f84d3a728fad255a4872753fbac",
      scriptVersion: 0,
    },
    {
      satoshis: "890094182",
      script:
        "207afdae557e69c0040fd4135adffc60f9486fb21f4cbae233fd6db3e84ba47c55ac",
      scriptVersion: 0,
    },
  ],
});

Result

{
  success: true,
  payload: {
    index: 0,
    signature: "signed data"
  }
}

Error

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