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feat: test signTypedData #717

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feat: test signTypedData #717

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2 changes: 1 addition & 1 deletion mpc-core-kit-web/implicit-flow-examples/mpc-core-kit-popup-flow-example/package-lock.json
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1 change: 1 addition & 0 deletions mpc-core-kit-web/implicit-flow-examples/mpc-core-kit-popup-flow-example/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
"@web3auth/mpc-core-kit": "3.2.4",
"bn.js": "^5.2.1",
"eccrypto": "^1.1.6",
"ethers": "^6.13.4",
"firebase": "^10.14.0",
"jsrsasign": "^10.8.6",
"react": "^18.3.1",
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60 changes: 60 additions & 0 deletions mpc-core-kit-web/implicit-flow-examples/mpc-core-kit-popup-flow-example/src/App.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ import { initializeApp } from "firebase/app";
import { getAuth, signInWithEmailAndPassword } from "firebase/auth";

import "./App.css";
import { ethers, TypedDataEncoder } from "ethers";

// IMP START - SDK Initialization
// IMP START - Dashboard Registration
Expand Down Expand Up @@ -324,6 +325,60 @@ function App() {
);
uiConsole(signedMessage);
};


const signTypedData = async () => {
const ethersProvider = new ethers.BrowserProvider(evmProvider);
const signer = await ethersProvider.getSigner();

// All properties on a domain are optional
const domain = {
// name: "Ether Mail",
// version: "1",
// chainId: 1,
// verifyingContract: "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
};

// The named list of all type definitions
const types = {
Person: [
{ name: "name", type: "string" },
{ name: "wallet", type: "address" },
],
Mail: [
{ name: "from", type: "Person" },
{ name: "to", type: "Person" },
{ name: "contents", type: "string" },
],
};

// The data to sign
const value = {
from: {
name: "Cow",
wallet: "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826",
},
to: {
name: "Bob",
wallet: "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB",
},
contents: "Hello, Bob!",
};

const payload = TypedDataEncoder.getPayload(domain, types, value);

// delete payload.types.EIP712Domain;

// console.log("payload", JSON.stringify(payload));
// const result = await ethersProvider.send("eth_signTypedData_v4", [signer.address.toLowerCase(), JSON.stringify(payload)]);
// console.log("result", result);

const web3 = new Web3(evmProvider);
const signedMessage = await web3.eth.signTypedData( (await web3.eth.getAccounts())[0], payload);
uiConsole(signedMessage);
const signedTypedData = await signer.signTypedData(domain, types, value);
uiConsole(signedTypedData);
};
// IMP END - Blockchain Calls

const criticalResetAccount = async (): Promise<void> => {
Expand Down Expand Up @@ -389,6 +444,11 @@ function App() {
Sign Message
</button>
</div>
<div>
<button onClick={signTypedData} className="card">
Sign Typed Data
</button>
</div>
<div>
<button onClick={logout} className="card">
Log Out
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