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import { PUBLIC_DOMAIN } from "$env/static/public";
import { get, isLiquid, post } from "$lib/utils";
import { redirect } from "@sveltejs/kit";
import bip21 from "bip21";
import { validate } from "bitcoin-address-validation";
export default async (s, host) => {
if (!s) return;
let t = s;
if (t.includes("lightning=")) {
const url = new URL(t);
const params = new URLSearchParams(url.search);
t = params.get("lightning");
}
if (t.startsWith("http")) redirect(307, t);
if (t.startsWith(host)) redirect(307, `http://${t}`);
let amount;
let user;
t = t.trim();
if (t.toLowerCase().startsWith("bitcoin:"))
({
address: t,
options: { amount },
} = bip21.decode(t));
if (t.startsWith("lightning:")) t = t.replace("lightning:", "");
if (t.endsWith(`@${PUBLIC_DOMAIN}`)) t = t.split("@")[0];
if (t.includes("@") && t.includes(".")) {
try {
t = await get(`/encode?address=${t}`);
} catch (e) {}
}
if (t.includes("/fund")) redirect(307, t.substring(t.indexOf("/fund")));
// lightning
if (t.toLowerCase().startsWith("lightning:"))
t = t.toLowerCase().replace("lightning:", "");
if (t.toLowerCase().startsWith("lnurl")) redirect(307, `/ln/${t}`);
if (t.includes(":")) t = t.split(":")[1];
if (t.toLowerCase().startsWith("lno")) {
const { invoice } = await get(`/offer/${t}`);
redirect(307, `/send/lightning/${invoice}`);
}
if (t.toLowerCase().startsWith("lno")) {
try {
await get(`/invoice/${t}`);
} catch (e) {
redirect(307, `/send/lightning/${t}`);
}
}
// bitcoin
if (validate(t) || isLiquid(t)) {
let r = `/send/bitcoin/${t}`;
if (amount) r += `/${amount}`;
redirect(307, r);
}
if (t.startsWith("cashu")) {
const { id } = await post("/cash", { token: t });
redirect(307, `/ecash/${id}`);
}
// user
try {
user = await get(`/users/${t.split("/")[0]}`);
if (user.anon) user = null;
} catch (e) {}
if (user) redirect(307, `/pay/${t}`);
let fund;
try {
fund = await get(`/fund/${t}`);
} catch (e) {}
if (fund) redirect(307, `/send/fund/${t}`);
// invoice
let invoice;
try {
invoice = await get(`/invoice/${t}`);
} catch (e) {}
if (invoice) redirect(307, `/send/invoice/${invoice.id}`);
};
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