<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Shift</title>
<script src="https://cdn.jsdelivr.net/npm/web3@latest/dist/web3.min.js"></script>
<link href="./mini.css" rel="stylesheet">
</head>
<body><div id="main" class="">
<div class="min-h-screen bg-gradient-to-r from-purple-400 via-pink-500 to-red-500 py-6 flex flex-col justify-center sm:py-12 text-white dark:bg-gradient-to-r dark:from-gray-800 dark:to-gray-900">
<div class="dark:bg-gray-800 dark:text-white w-full mx-auto rounded-3xl shadow-lg bg-white px-10 pt-16 pb-10 text-gray-600" style="max-width: 400px" x-data="app()">
<div class="overflow-hidden relative mb-10">
<div class="font-semibold text-center text-2xl mb-4 text-gray-900 dark:text-white">Shift</div>
<div class="container mx-auto mb-1 pt-8">
<p class="mx-auto mb-3 text-purple-500 dark:text-pink-500">Amount</p>
<input id="amount" class="dark:border-gray-800 focus:ring-2 dark:bg-gray-600 shadow appearance-none border rounded py-2 px-10 text-grey-darker">
</div>
<div class="relative inline-flex mt-7">
<svg class="w-2 h-2 absolute top-0 right-0 m-4 pointer-events-none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 412 232"><path d="M206 171.144L42.678 7.822c-9.763-9.763-25.592-9.763-35.355 0-9.763 9.764-9.763 25.592 0 35.355l181 181c4.88 4.882 11.279 7.323 17.677 7.323s12.796-2.441 17.678-7.322l181-181c9.763-9.764 9.763-25.592 0-35.355-9.763-9.763-25.592-9.763-35.355 0L206 171.144z" fill="#648299" fill-rule="nonzero"/></svg>
<select id="aggregator1" class="dark:border-gray-800 focus:ring-2 dark:bg-gray-600 dark:text-white border border-gray-300 rounded text-gray-600 h-10 pl-20 pr-20 bg-white hover:border-gray-400 focus:outline-none appearance-none">
<option>Choose an asset</option>
<option value="0xab4a352ac35dFE83221220D967Db41ee61A0DeFa" selected="">[XFT] Offshift</option><option value="0xECe365B379E1dD183B20fc5f022230C044d51404">[BTC] Bitcoin</option><option value="0x81570059A0cb83888f1459Ec66Aad1Ac16730243">[XAU] Gold</option><option value="0xd8bD0a1cB028a31AA859A21A3758685a95dE4623">[LINK] ChainLink</option></select>
</select>
</div>
<div class="container text-center pt-5">
<h1>TO </h1>
</div>
<div class="relative inline-flex mt-7">
<svg class="w-2 h-2 absolute top-0 right-0 m-4 pointer-events-none" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 412 232"><path d="M206 171.144L42.678 7.822c-9.763-9.763-25.592-9.763-35.355 0-9.763 9.764-9.763 25.592 0 35.355l181 181c4.88 4.882 11.279 7.323 17.677 7.323s12.796-2.441 17.678-7.322l181-181c9.763-9.764 9.763-25.592 0-35.355-9.763-9.763-25.592-9.763-35.355 0L206 171.144z" fill="#648299" fill-rule="nonzero"/></svg>
<select id="aggregator2" class="dark:border-gray-800 focus:ring-2 dark:bg-gray-600 dark:text-white border border-gray-300 rounded text-gray-600 h-10 pl-20 pr-20 bg-white hover:border-gray-400 focus:outline-none appearance-none">
<option>Choose an asset</optaion>
<option value="0xab4a352ac35dFE83221220D967Db41ee61A0DeFa" selected="">[XFT] Offshift</option><option value="0xECe365B379E1dD183B20fc5f022230C044d51404">[BTC] Bitcoin</option><option value="0x81570059A0cb83888f1459Ec66Aad1Ac16730243">[XAU] Gold</option><option value="0xd8bD0a1cB028a31AA859A21A3758685a95dE4623">[LINK] ChainLink</option></select>
</select>
</div>
<div>
</div>
<div class="container w-full pt-8">
<button onclick="approve()" class="dark:bg-gradient-to-r dark:from-purple-800 mb-auto px-7 py-3 shadow-md no-underline rounded-full bg-gradient-to-r from-green-400 to-blue-500 hover:from-pink-500 hover:to-yellow-500 text-white font-sans font-semibold text-xl border-blue btn-primary hover:text-white hover:bg-blue-light focus:outline-none active:shadow-none mr-2">Approve</button>
<button onclick="shifter()" class="dark:bg-gradient-to-r dark:from-purple-800 mb-auto px-11 py-3 md:ml-6 sm:ml-4 shadow-md no-underline rounded-full bg-gradient-to-r from-green-400 to-blue-500 hover:from-pink-500 hover:to-yellow-500 text-white font-sans font-semibold text-xl border-blue btn-primary hover:text-white hover:bg-blue-light focus:outline-none active:shadow-none mr-2">Shift</button>
</div>
</div>
<div class="absolute bottom-4 right-3">
<button id="mode" onclick="changeMode();" class="mb-auto px-3 py-2 shadow-md no-underline rounded-full bg-gradient-to-r from-green-400 to-blue-500 hover:from-pink-500 hover:to-yellow-500 text-white font-sans font-semibold text-xs border-blue btn-primary hover:text-white hover:bg-blue-light focus:outline-none active:shadow-none mr-2 dark:bg-gradient-to-r dark:from-purple-800">switch theme</button>
</div>
</div>
</div>
</body>
<script>
ethereum.request({ method: 'eth_requestAccounts' });
web3 = new Web3(window.ethereum);
web3.eth.getAccounts(async function(error, accounts) {
web3.eth.accounts = accounts;
web3.eth.defaultAccount = accounts[0];
});
let shift = new web3.eth.Contract([{
"inputs": [
{
"internalType": "address",
"name": "_tokenA",
"type": "address"
},
{
"internalType": "address",
"name": "_tokenB",
"type": "address"
}
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "Shifted",
"type": "event"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "tA",
"type": "address"
},
{
"internalType": "address",
"name": "tB",
"type": "address"
}
],
"name": "shift",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}], "0x6bE4C94052BF34e09d67C255D9Fe564c5abd4f95");
let tokenA = new web3.eth.Contract([{
"inputs": [],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"inputs": [{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "approve",
"outputs": [{
"internalType": "bool",
"name": "",
"type": "bool"
}],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [{
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"internalType": "address",
"name": "spender",
"type": "address"
}
],
"name": "allowance",
"outputs": [{
"internalType": "uint256",
"name": "",
"type": "uint256"
}],
"stateMutability": "view",
"type": "function"
}
], "0x1190fb1B00D20656549cdFF689E55D072BA764f3");
async function approve() {
let amount = document.getElementById("amount").value;
amount = web3.utils.toWei(parseFloat(amount).toString(),'ether');
if (amount => 0) {
let approvalAmount;
tokenA.methods.allowance(ethereum.selectedAddress, shift._address).call({from: ethereum.selectedAddress}).then(data => approvalAmount = data);
if (approvalAmount >= amount) {
alert("already approved");
} else {
tokenA.methods.approve(shift._address, amount).send({from: ethereum.selectedAddress}).then();
}
} else {
alert("input a number");
}
}
function shifter() {
let amount = document.getElementById("amount").value;
let A_aggregator = document.getElementById("aggregator2").value;
let B_aggregator = document.getElementById("aggregator1").value;
amount = web3.utils.toWei(parseFloat(amount).toString(),'ether');
if (amount > 0) {
shift.methods.shift(amount, A_aggregator, B_aggregator).send({from: ethereum.selectedAddress}).then("amount shifted successfuly ");
}
}
function changeMode() {
document.getElementById("mode").innerText.replace("www")
if (localStorage.theme != 'dark'){
localStorage.theme = 'dark';
document.getElementById("main").classList.add("dark");
document.getElementById("mode").textContent = "Dark mode";
}else {
localStorage.theme = 'light';
document.getElementById("main").classList.remove("dark");
document.getElementById("mode").textContent = "Light mode";
}
}
changeMode();
</script>
</html>