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supertestnet/historical_price_fetcher.html

Last active January 6, 2025 16:44
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Some javascript for fetching the historical price of bitcoin on any date since Kraken existed
Raw
historical_price_fetcher.html
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/[email protected]/dist/ccxt.browser.min.js"></script>
<!-- the manual for using the ccxt library is here: https://github.com/ccxt/ccxt/wiki/ -->
</head>
<body>
<script>
(async()=>{
var date = "2016-07-26";
var exchange = new ccxt.kraken();
if ( exchange.has[ 'fetchTrades' ] ) {
console.log( 'loading markets...' );
await exchange.loadMarkets();
console.log( 'markets loaded!' );
var since = new Date( date ).getTime();
console.log( 'fetching historical price' );
var trades = await exchange.fetchTrades( "BTC/USD", since, 1 );
console.log( 'historical price fetched!' );
console.log( `on ${date} the price of bitcoin was $${trades[ 0 ][ "price" ].toFixed( 2 )}` );
} else return alert( `this exchange does not support historical prices` );
})();
</script>
</body>
</html>
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