Drop whattomine API

Now that we've added the data directly to crypo51.app
https://github.com/tdickman/crypto51/pull/38

js/get-coin-data.js

@@ -5,20 +5,13 @@ const MINUTES = SECONDS * 60;
 const HOURS = MINUTES * 60;
 
 const getCoinData = async () => {
-	const [
-		crypto51,
-		wtmCoins,
-		wtmAsic
-	] = await Promise.all([
-		'https://www.crypto51.app/coins.json',
-		'https://whattomine.com/coins.json',
-		'https://whattomine.com/asic.json'
-	].map(url => fetch(`https://cors.io/?${url}`).then(res => res.json())));
-
-	const whatToMine = [...Object.values(wtmCoins.coins), ...Object.values(wtmAsic.coins)].filter(alg => alg.tag !== 'NICEHASH');
-
-	let coins = crypto51.coins
-		.filter(coin => whatToMine.find(alg => alg.tag === coin.symbol) && typeof coin.attack_hourly_cost === 'number')
+	// Fetch coin data
+	const response = await fetch('https://cors.io/?https://www.crypto51.app/coins.json')
+	let {coins} = await response.json();
+
+	// Format
+	coins = coins
+		.filter(coin => typeof coin.attack_hourly_cost === 'number')
 		.map(coin => ({
 			symbol: coin.symbol,
 			name: coin.name,
@@ -27,10 +20,11 @@ const getCoinData = async () => {
 			hashRate: coin.hash_rate,
 			hashRateFormatted: coin.hash_rate_pretty,
 			marketCap: coin.market_cap,
-			blockTimeInSeconds: Number(whatToMine.find(alg => alg.tag === coin.symbol).block_time)
+			blockTimeInSeconds: coin.block_time
 		}))
 		.sort((a, b) => b.marketCap - a.marketCap);
 
+	// Calculate confirmation data
 	const referenceCoinSymbol = 'BTC';
 	const referenceConfirmations = 6;
 	const referenceCoin = coins.find(coin => coin.symbol === referenceCoinSymbol);