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feat: contract examples

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snsd0805 2024-04-27 17:58:54 +08:00
commit c63177d622
Signed by: snsd0805
GPG Key ID: 569349933C77A854
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Scheduler.abi Normal file
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[{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"clusters","outputs":[{"internalType":"address","name":"provider","type":"address"},{"internalType":"uint256","name":"gpuId","type":"uint256"},{"internalType":"uint256","name":"clusterSize","type":"uint256"},{"internalType":"bool","name":"available","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"clusterIndex","type":"uint256"}],"name":"getClusterInfo","outputs":[{"components":[{"internalType":"address","name":"provider","type":"address"},{"internalType":"uint256","name":"gpuId","type":"uint256"},{"internalType":"uint256","name":"clusterSize","type":"uint256"},{"internalType":"bool","name":"available","type":"bool"}],"internalType":"struct Scheduler.Cluster","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getClusters","outputs":[{"components":[{"internalType":"address","name":"provider","type":"address"},{"internalType":"uint256","name":"gpuId","type":"uint256"},{"internalType":"uint256","name":"clusterSize","type":"uint256"},{"internalType":"bool","name":"available","type":"bool"}],"internalType":"struct Scheduler.Cluster[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumberOfClusters","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"gpuId","type":"uint256"},{"internalType":"uint256","name":"clusterSize","type":"uint256"}],"name":"registerCluster","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"dataImage","type":"string"},{"internalType":"string","name":"trainImage","type":"string"},{"internalType":"uint256","name":"clusterIndex","type":"uint256"}],"name":"registerTaskWithSpecificCluster","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tasks","outputs":[{"internalType":"address","name":"provider","type":"address"},{"internalType":"address","name":"client","type":"address"},{"internalType":"string","name":"dataImage","type":"string"},{"internalType":"string","name":"trainImage","type":"string"},{"internalType":"uint256","name":"status","type":"uint256"}],"stateMutability":"view","type":"function"}]

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index.html Normal file
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<html>
<head>
<title>web3 test</title>
<meta charset='utf-8'>
<!-- metamask detector-->
<script src="https://unpkg.com/@metamask/detect-provider/dist/detect-provider.min.js"></script>
<!-- web3.js cdn-->
<script src="https://cdn.jsdelivr.net/npm/web3@4.8.0/dist/web3.min.js"></script>
<script type="text/javascript">
var account;
const contractAddress = "0x2E983A1Ba5e8b38AAAeC4B440B9dDcFBf72E15d1";
// request the user to link Metamask.
async function linkMetamask() {
const provider = await detectEthereumProvider();
if (provider) {
// have provider
console.log("You have Metamask!!");
const response = await window.ethereum.request({method: "eth_requestAccounts"});
account = response[0];
console.log(account)
} else {
// no provider
alert("NO!!!");
}
}
// how to use call function
async function fetchClusters() {
// get web3 provider
var web3 = new Web3(window.ethereum);
// get ABI file to construct Contract object.
var response = await fetch('./Scheduler.abi');
const abi = await response.json();
// construct Contract
var contract = new web3.eth.Contract(abi, contractAddress);
// call method
// no gas fee so that we don't need to send the transaction.
// get information from the blockchain directly.
var clusters = await contract.methods.getClusters().call();
console.log(clusters);
}
// how to use send function
async function registerCluster() {
// get web3 provider
var web3 = new Web3(window.ethereum);
// get ABI file to construct Contract object.
var response = await fetch('./Scheduler.abi');
const abi = await response.json();
// construct Contract
var contract = new web3.eth.Contract(abi, contractAddress);
// send method
// we need to request the user to send the transaction.
// because we need to modify the datas on the blockchaain so that the user need to pay some gas fee to the miners.
var gpuId = 1;
var clusterSize = 4;
if (account) {
var response = await contract.methods.registerCluster(gpuId, clusterSize).send({from: account});
console.log(response);
} else {
console.log("You need to link to Metamask first.");
}
}
</script>
</head>
<body>
<h1>Web3 Test</h1>
<button onclick='linkMetamask()'>link to metamask</button>
<button onclick='fetchClusters()'>fetch clusters</button>
<button onclick='registerCluster()'>register clusters</button>
</body>
</html>