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dnxSignTransaction

Dynex: sign transaction​

Signs the given Dynex transaction with the private key derived by given BIP32 path. User is asked to confirm the transaction details on Ukey Wallet.

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

Use requirement​

  • Firmware version required
    • UKey Lite 24 / UKey Lite 25 / UKey Core 26: 3.8.0

Parameters​

connectId: string

  • Unique identifier for the connection

deviceId: string

  • Unique identifier for the hardware device

params: object

  • path: string - BIP32 path (e.g. "m/44'/0'/0'/0/0") [required]
  • inputs: array - Array of transaction inputs [required]
    • prevIndex: number - Previous output index
    • globalIndex: number - Global index
    • txPubkey: string - Transaction public key
    • prevOutPubkey: string - Previous output public key
    • amount: string - Input amount
  • toAddress: string - Destination address [required]
  • amount: string - Transaction amount [required]
  • fee: string - Transaction fee [required]
  • paymentIdHex: string - Optional payment ID (must be 32 bytes)

Example​

const response = await HardwareSDK.dnxSignTransaction("connect1", "device1", {
  path: "m/44'/0'/0'/0/0",
  inputs: [
    {
      prevIndex: 0,
      globalIndex: 323,
      txPubkey:
        "0d708b68003ae5fee4c9f9aad56a8cfdb0a5dcbcdd2e3fc18eb813349457a78c",
      prevOutPubkey:
        "ff4df9a9fc83e48f2c0242c4d94f3906546a889950bccd8ba4392f3e7886c3a1",
      amount: "1000000000",
    },
  ],
  toAddress:
    "XwmxTF8FxAy2s5cvtS62oSGxY3fzvDcgo2CiJ6rrpz9te68sApSDs3LQihubFtpsfT5z6NYHZzMKUjavNpTkW46i2dYgHBULG",
  amount: "1000000000",
  fee: "100000",
});

Returns​

Success response:

{
    success: true,
    payload: {
        path: string,              // BIP32 path used for signing
        txKey: {
            ephemeralTxSecKey: string,  // Transaction secret key
            ephemeralTxPubKey: string   // Transaction public key
        },
        computedKeyImages: string[],    // Array of computed key images
        signatures: string[],           // Array of signatures
        outputKeys: string[]            // Array of output keys
    }
}

Error response:

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