Message Signature

1. Request.signMessage

Parameters

Name	Type	Description
chainId	number	Chain ID of the particular network
appName	string	Name that will appear in FAVORLET app when signing a message
from	string	Wallet address to sign a message
message	string	message to sign

Response

Name	Type	Description
requestId	string	ID to track the requested operation or transaction
expiredAt	number	The amount of time (in seconds) that an operation or transaction request expires.

Example

import { Request } from "favorlet.js";

const response = await Request.signMessage({
  chainId: 8217, // 해당 체인 id
  appName: "BlockChainApp", // FAVORLET 앱에 노출
  from: "0x{address in hex}", // 서명할 지갑 주소
  message: "서명할 메세지", // 서명할 메세지
});

console.log(response);
/*
{
  requestId: "c8393195-b49d-4586-b3fd-0e1a1e94f189",
  expiredAt: 1667891117,
}
*/

2. createDeepLink

Parameters

Type	Description
string	requestId received when requesting

Response

Type	Description
string	DeepLink to the request page within the FAVORLET app

Example

import { createDeepLink } from "favorlet.js";

const deepLink = createDeepLink(response.requestId); // Request를 통해 받은 requestId

/*
- PC: 생성된 deepLink를 qrcode 라이브러리를 이용하여 QR 생성 후 스마트폰으로 스캔
- Mobile: window.location.href 등을 사용하여 생성된 deepLink로 직접 이동
*/
console.log(deepLink);
// https://app.favorlet.link/?requestId=c8393195-b49d-4586-b3fd-0e1a1e94f189

3. receipt

import { receipt } from "favorlet.js";

const result = await receipt(response.requestId); // Request를 통해 받은 requestId

console.log(result);
/*
- status에 따라 이후 분기 처리

### requested
{
  requestId: "c8393195-b49d-4586-b3fd-0e1a1e94f189",
  expiredAt: 1667891117,
  action: "signMessage",
  signMessage: {
    status: "requested"
  }
}

### canceled
{
  requestId: "c8393195-b49d-4586-b3fd-0e1a1e94f189",
  expiredAt: 1667891117,
  action: "signMessage",
  signMessage: {
    status: "canceled",
    signature: null,
    errorMessage: null
  }
}

### succeed
{
  requestId: "c8393195-b49d-4586-b3fd-0e1a1e94f189",
  expiredAt: 1667891117,
  action: "signMessage",
  signMessage: {
    status: "succeed",
    signature: "c308c6bc851cdaf8a125b2990753f376e3660f9f98a4c515de9e8c0fbd98f2cf3db519a7ba4dab78d001232b6f55b24896a57e3264cafe3dda78a89ecfb0bb141b",
    errorMessage: null
  }
}
*/