1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
import { formatAsCurrency } from "https://esm.town/v/panphora/formatAsCurrency?v=5";
import { email } from "https://esm.town/v/std/email?v=9";
import { set } from "https://esm.town/v/std/set?v=11";
import { currency } from "https://esm.town/v/stevekrouse/currency";
import { lastBtcPrice } from "https://esm.town/v/stevekrouse/lastBtcPrice";
export async function btcPriceAlert() {
let btcPrice = await currency("usd", "btc");
let change = Math.abs(btcPrice - lastBtcPrice);
if (change / lastBtcPrice > .2) {
await set("lastBtcPrice", btcPrice);
let formattedBtcPrice = formatAsCurrency(btcPrice);
await email({
text: formattedBtcPrice,
subject: "BTC PRICE ALERT: " + formattedBtcPrice,
});
}
return btcPrice;
}
Val Town is a social website to write and deploy JavaScript.
Build APIs and schedule functions from your browser.
Comments
Nobody has commented on this val yet: be the first!
March 7, 2024