#coinmarketcap
function coinmarketcap(crypto_id, data_point, unused_param) {
var url1 = '
https://api.coinmarketcap.com/v1/ticker/';
var full_url = url1 + crypto_id;
var response = UrlFetchApp.fetch(full_url);
var data = JSON.parse(response.getContentText());
return Number(data[0][data_point]);
}
// coinmarketcap("bitcoin","price_usd", $G$18)
// ПАРАМЕТРЫ ФУНКЦИИ:
// "id": "bitcoin",
// "name": "Bitcoin",
// "symbol": "BTC",
// "rank": "1",
// "price_usd": "8370.24",
// "price_btc": "1.0",
// "24h_volume_usd": "5728800000.0",
// "market_cap_usd": "141616191003",
// "available_supply": "16919012.0",
// "total_supply": "16919012.0",
// "max_supply": "21000000.0",
// "percent_change_1h": "-0.83",
// "percent_change_24h": "-9.03",
// "percent_change_7d": "-18.01",
// "last_updated": "1521051267"