scdosignmessage.md

scdoSignMessage

Use requirement

• Firmware version required
  • Touch: 4.10.0

SCDO: sign message

Signs a message using the private key derived by given BIP32 path.

// Original message
const message = "Hello World";

// Convert to hex
const messageHex = Buffer.from(message).toString('hex');

const response = await HardwareSDK.scdoSignMessage(connectId, deviceId, {
    path: "m/44'/541'/0'/0/0",
    messageHex: messageHex
});

Params

Optional common params

• path — required string | Array<number> minimum length is 3. read more
• messageHex — required string message to sign in hex format

Example

// Original message
const message = "Hello World";

// Convert to hex
const messageHex = Buffer.from(message).toString('hex');

const response = await HardwareSDK.scdoSignMessage(connectId, deviceId, {
    path: "m/44'/541'/0'/0/0",
    messageHex,
});

Result

{
    success: true,
    payload: {
        signature: string,
        address: string
    }
}

Error

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