Files
2026-01-21 20:45:23 +07:00

299 lines
12 KiB
TypeScript
Raw Permalink Blame History

This file contains invisible Unicode characters
This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
"use client";
import { useEffect, useState } from "react";
import { Curve } from "./_components";
import type { NextPage } from "next";
import { Address as AddressType, formatEther, isAddress, parseEther } from "viem";
import { useAccount } from "wagmi";
import { Address, AddressInput, Balance, EtherInput, IntegerInput } from "~~/components/scaffold-eth";
import { useDeployedContractInfo, useScaffoldReadContract, useScaffoldWriteContract } from "~~/hooks/scaffold-eth";
import { useWatchBalance } from "~~/hooks/scaffold-eth/useWatchBalance";
// REGEX for number inputs (only allow numbers and a single decimal point)
const NUMBER_REGEX = /^\.?\d+\.?\d*$/;
const Dex: NextPage = () => {
const [isLoading, setIsLoading] = useState(true);
const [ethToTokenAmount, setEthToTokenAmount] = useState("");
const [tokenToETHAmount, setTokenToETHAmount] = useState("");
const [depositAmount, setDepositAmount] = useState("");
const [withdrawAmount, setWithdrawAmount] = useState("");
const [approveSpender, setApproveSpender] = useState("");
const [approveAmount, setApproveAmount] = useState("");
const [accountBalanceOf, setAccountBalanceOf] = useState("");
const { data: DEXInfo } = useDeployedContractInfo({ contractName: "DEX" });
const { data: BalloonsInfo } = useDeployedContractInfo({ contractName: "Balloons" });
const { address: connectedAccount } = useAccount();
const { data: DEXBalloonBalance } = useScaffoldReadContract({
contractName: "Balloons",
functionName: "balanceOf",
args: [DEXInfo?.address?.toString()],
});
useEffect(() => {
if (DEXBalloonBalance !== undefined) {
setIsLoading(false);
}
}, [DEXBalloonBalance]);
const { data: DEXtotalLiquidity } = useScaffoldReadContract({
contractName: "DEX",
functionName: "totalLiquidity",
});
const { writeContractAsync: writeDexContractAsync } = useScaffoldWriteContract({ contractName: "DEX" });
const { writeContractAsync: writeBalloonsContractAsync } = useScaffoldWriteContract({ contractName: "Balloons" });
const { data: balanceOfWrite } = useScaffoldReadContract({
contractName: "Balloons",
functionName: "balanceOf",
args: [accountBalanceOf as AddressType],
query: {
enabled: isAddress(accountBalanceOf),
},
});
const { data: contractBalance } = useScaffoldReadContract({
contractName: "Balloons",
functionName: "balanceOf",
args: [DEXInfo?.address],
});
const { data: userBalloons } = useScaffoldReadContract({
contractName: "Balloons",
functionName: "balanceOf",
args: [connectedAccount],
});
const { data: userLiquidity } = useScaffoldReadContract({
contractName: "DEX",
functionName: "getLiquidity",
args: [connectedAccount],
});
const { data: contractETHBalance } = useWatchBalance({ address: DEXInfo?.address });
return (
<>
<h1 className="text-center mb-4 mt-5">
<span className="block text-xl text-right mr-7">
🎈: {parseFloat(formatEther(userBalloons || 0n)).toFixed(4)}
</span>
<span className="block text-xl text-right mr-7">
💦💦: {parseFloat(formatEther(userLiquidity || 0n)).toFixed(4)}
</span>
<span className="block text-2xl mb-2">SpeedRunEthereum</span>
<span className="block text-4xl font-bold">Challenge: Build a DEX </span>
</h1>
<div className="items-start pt-10 grid grid-cols-1 md:grid-cols-2 content-start">
<div className="px-5 py-5">
<div className="bg-base-100 shadow-lg shadow-secondary border-8 border-secondary rounded-xl p-8 m-8">
<div className="flex flex-col text-center">
<span className="text-3xl font-semibold mb-2">DEX Contract</span>
<span className="block text-2xl mb-2 mx-auto">
<Address size="xl" address={DEXInfo?.address} />
</span>
<span className="flex flex-row mx-auto mt-5">
{" "}
<Balance className="text-xl" address={DEXInfo?.address} />
{isLoading ? (
<span>Loading...</span>
) : (
<span className="pl-8 text-xl">🎈 {parseFloat(formatEther(DEXBalloonBalance || 0n)).toFixed(4)}</span>
)}
</span>
</div>
<div className="py-3 px-4">
<div className="flex mb-4 justify-center items-center">
<span className="w-1/2">
ethToToken{" "}
<EtherInput
value={ethToTokenAmount}
onChange={value => {
setTokenToETHAmount("");
setEthToTokenAmount(value);
}}
name="ethToToken"
/>
</span>
<button
className="btn btn-primary h-[2.2rem] min-h-[2.2rem] mt-6 mx-5"
onClick={async () => {
try {
await writeDexContractAsync({
functionName: "ethToToken",
value: NUMBER_REGEX.test(ethToTokenAmount) ? parseEther(ethToTokenAmount) : 0n,
});
} catch (err) {
console.error("Error calling ethToToken function", err);
}
}}
>
Send
</button>
</div>
<div className="flex justify-center items-center">
<span className="w-1/2">
tokenToETH{" "}
<IntegerInput
value={tokenToETHAmount}
onChange={value => {
setEthToTokenAmount("");
setTokenToETHAmount(value.toString());
}}
name="tokenToETH"
disableMultiplyBy1e18
/>
</span>
<button
className="btn btn-primary h-[2.2rem] min-h-[2.2rem] mt-6 mx-5"
onClick={async () => {
try {
await writeDexContractAsync({
functionName: "tokenToEth",
// @ts-expect-error - Show error on frontend while sending, if user types invalid number
args: [NUMBER_REGEX.test(tokenToETHAmount) ? parseEther(tokenToETHAmount) : tokenToETHAmount],
});
} catch (err) {
console.error("Error calling tokenToEth function", err);
}
}}
>
Send
</button>
</div>
</div>
<p className="text-center text-primary-content text-xl mt-8 -ml-8">
Liquidity ({DEXtotalLiquidity ? parseFloat(formatEther(DEXtotalLiquidity || 0n)).toFixed(4) : "None"})
</p>
<div className="px-4 py-3">
<div className="flex mb-4 justify-center items-center">
<span className="w-1/2">
Deposit <EtherInput value={depositAmount} onChange={value => setDepositAmount(value)} />
</span>
<button
className="btn btn-primary h-[2.2rem] min-h-[2.2rem] mt-6 mx-5"
onClick={async () => {
try {
await writeDexContractAsync({
functionName: "deposit",
value: NUMBER_REGEX.test(depositAmount) ? parseEther(depositAmount) : 0n,
});
} catch (err) {
console.error("Error calling deposit function", err);
}
}}
>
Send
</button>
</div>
<div className="flex justify-center items-center">
<span className="w-1/2">
Withdraw <EtherInput value={withdrawAmount} onChange={value => setWithdrawAmount(value)} />
</span>
<button
className="btn btn-primary h-[2.2rem] min-h-[2.2rem] mt-6 mx-5"
onClick={async () => {
try {
await writeDexContractAsync({
functionName: "withdraw",
// @ts-expect-error - Show error on frontend while sending, if user types invalid number
args: [NUMBER_REGEX.test(withdrawAmount) ? parseEther(withdrawAmount) : withdrawAmount],
});
} catch (err) {
console.error("Error calling withdraw function", err);
}
}}
>
Send
</button>
</div>
</div>
</div>
<div className="space-y-4 bg-base-100 shadow-lg shadow-secondary border-8 border-secondary rounded-xl py-5 p-8 m-8">
<div className="flex flex-col text-center mt-2 mb-4 px-4">
<span className="block text-3xl font-semibold mb-2">Balloons</span>
<span className="mx-auto">
<Address size="xl" address={BalloonsInfo?.address} />
</span>
</div>
<div className=" px-4 py-3">
<div className="flex flex-col gap-4 mb-4 justify-center items-center">
<span className="w-1/2">
Approve{" "}
<AddressInput
value={approveSpender ?? ""}
onChange={value => setApproveSpender(value)}
placeholder="Address Spender"
/>
</span>
<span className="w-1/2">
<IntegerInput
value={approveAmount}
onChange={value => setApproveAmount(value.toString())}
placeholder="Amount"
disableMultiplyBy1e18
/>
</span>
<button
className="btn btn-primary h-[2.2rem] min-h-[2.2rem] mt-auto"
onClick={async () => {
try {
await writeBalloonsContractAsync({
functionName: "approve",
args: [
approveSpender as AddressType,
// @ts-expect-error - Show error on frontend while sending, if user types invalid number
NUMBER_REGEX.test(approveAmount) ? parseEther(approveAmount) : approveAmount,
],
});
} catch (err) {
console.error("Error calling approve function", err);
}
}}
>
Send
</button>
<span className="w-1/2">
balanceOf{" "}
<AddressInput
value={accountBalanceOf}
onChange={value => setAccountBalanceOf(value)}
placeholder="address Account"
/>
</span>
{balanceOfWrite === undefined ? (
<h1></h1>
) : (
<span className="font-bold bg-primary px-3 rounded-2xl">
BAL Balance: {parseFloat(formatEther(balanceOfWrite || 0n)).toFixed(4)}
</span>
)}
</div>
</div>
</div>
</div>
<div className="mx-auto p-8 m-8 md:sticky md:top-0">
<Curve
addingEth={ethToTokenAmount !== "" ? parseFloat(ethToTokenAmount.toString()) : 0}
addingToken={tokenToETHAmount !== "" ? parseFloat(tokenToETHAmount.toString()) : 0}
ethReserve={parseFloat(formatEther(contractETHBalance?.value || 0n))}
tokenReserve={parseFloat(formatEther(contractBalance || 0n))}
width={500}
height={500}
/>
</div>
</div>
</>
);
};
export default Dex;