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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="styles.css">
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>My First dApp</title>
</head>
<body>
<script src="https://cdn.ethers.io/lib/ethers-5.2.umd.min.js" type="application/javascript"></script>
<script>
const MoodContractAddress = "0xCF4E02CD7cF8C588a6712B018A2Ebc44e08EEd98";
const MoodContractABI = [
{
"inputs": [
{
"internalType": "string",
"name": "_mood",
"type": "string"
}
],
"name": "setMood",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "getMood",
"outputs": [
{
"internalType": "string",
"name": "",
"type": "string"
}
],
"stateMutability": "view",
"type": "function"
}
]
let MoodContract;
let signer;
const provider = new ethers.providers.Web3Provider(window.ethereum, "goerli");
//Request access to the user's wallet and connect the signer to your metamask account (we use [0] as the default),
// and define the contract object using your contract address, ABI, and signer
provider.send("eth_requestAccounts", []).then(() => {
provider.listAccounts().then((accounts) => {
signer = provider.getSigner(accounts[0]);
MoodContract = new ethers.Contract(
MoodContractAddress,
MoodContractABI,
signer
);
});
});
async function getMood() {
const getMoodPromise = MoodContract.getMood();
const Mood = await getMoodPromise;
console.log(Mood);
}
async function setMood() {
const mood = document.getElementById("mood").value;
const setMoodPromise = MoodContract.setMood(mood);
await setMoodPromise;
}
</script>
<div>
<h1>This is my dApp!</h1>
<p>Here we can set or get the mood:</p>
<label for="mood">Input Mood:</label> <br />
<input type="text" id="mood" />
<button onclick="getMood()">Get Mood</button>
<button onclick="setMood()">Set Mood</button>
</div>
</body>
</html>