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Transaction volume counter #44

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Transaction volume counter #44

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fcfbf15
Transaction volume counter
YodaLightsabr Jan 14, 2025
b5f3509
Prevent hydration errors + initial invalid amount
YodaLightsabr Jan 14, 2025
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72 changes: 72 additions & 0 deletions pages/dev/counter.js
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Original file line number Diff line number Diff line change
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import Footer from '@/components/Footer'
import Header from '@/components/Header'
import Head from 'next/head'
import { useEffect, useState } from 'react';
import { Box, Container, Flex, Heading, useColorMode } from 'theme-ui'

function currentAmount(startTime, untilYesterday, lastDay) {
const elapsed = Date.now() - startTime;
const fullDay = 1000 * 60 * 60 * 24;
const additional = elapsed / fullDay * lastDay;

return untilYesterday + additional;
}

export default function Counter({ untilYesterday, lastDay, startTime, initialValue }) {
const [transactionAmount, setTransactionAmount] = useState(initialValue);

useEffect(() => {
const interval = setInterval(() => {
setTransactionAmount(currentAmount(startTime, untilYesterday, lastDay));
}, 50);
return () => clearInterval(interval);
}, []);
return (
<>
<Head>
<title>Counter</title>
</Head>
<Header />
<Box as="main" sx={{ color: 'text' }}>
<Container
as="article"
variant="wide"
sx={{ pt: 3, pb: [3, 4], minHeight: 'calc(100vh - 200px)', px: "82px" }}
>
<Heading as="h1" variant="headline">Total Transaction Volume (24h delay)</Heading>

<Heading as="h2" variant="headline">{new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
}).format(transactionAmount / 100)}</Heading>

</Container>
</Box>
<Footer />

</>
)
}

export async function getServerSideProps() {
// const stats = await fetch("https://hcb.hackclub.com/stats").then(res => res.json());

// const total = stats.all.transactions_volume;
// const lastDay = stats.last_day.transactions_volume;

const total = 3857174281;
const lastDay = 11919761;
const date = "2025-01-14T19:23:07.650+00:00";

const untilYesterday = total - lastDay;
const startTime = new Date(date).getTime();

return {
props: {
untilYesterday,
lastDay,
startTime,
initialValue: currentAmount(startTime, untilYesterday, lastDay)
}
}
}