wiplnurl-fiat

1 files changed, 42 insertions, 2 deletions

diff --git a/src/routes/(app)/ln/[lnurl]/+page.server.js b/src/routes/(app)/ln/[lnurl]/+page.server.js
index 910ce5a5..6acfcfce 100644
--- a/src/routes/(app)/ln/[lnurl]/+page.server.js
+++ b/src/routes/(app)/ln/[lnurl]/+page.server.js
@@ -2,7 +2,7 @@ import { fd, auth, get, post } from "$lib/utils";
 import { error, fail, redirect } from "@sveltejs/kit";
 
 export async function load({ params, parent }) {
-  let { user } = await parent();
+  let { rates, user } = await parent();
   if (!user) redirect(307, "/register");
 
   let data;
@@ -14,12 +14,46 @@ export async function load({ params, parent }) {
     error(500, e.message);
   }
 
+  let currencies = [
+    {
+      code: "BRL",
+      name: "Reais",
+      symbol: "R$",
+      decimals: 2,
+      multiplier: 2932.290939091977,
+      convertible: { max: 100000, min: 100 },
+    },
+    {
+      code: "USDT",
+      name: "Tether",
+      symbol: "$",
+      decimals: 6,
+      multiplier: 1.4602808876678048,
+      convertible: { max: 200000000, min: 200000 },
+    },
+  ];
+
+  if (data.currencies) {
+    data.currencies.map(
+      (c) => (rates[c.code] = c.multiplier * 10 ** (c.decimals - 3) * 1000)
+    );
+  }
+
+  data.rates = rates;
+
   if (!["payRequest", "withdrawRequest"].includes(data.tag))
     error(500, "We only support LNURLp and LNURLw at this time");
 
   return data;
 }
 
+const convertAmount = (amount, multiplier, decimals) => {
+  const conversionFactor = multiplier * 10 ** (decimals - 3);
+  const convertedAmount = amount / conversionFactor;
+
+  return convertedAmount.toFixed(decimals);
+};
+
 export const actions = {
   pay: async ({ cookies, fetch, request }) => {
     let error;
@@ -28,13 +62,19 @@ export const actions = {
     minSendable = Math.round(minSendable / 1000);
     maxSendable = Math.round(maxSendable / 1000);
 
+
+
     if (amount < minSendable)
       error = `Amount must be at least ${minSendable} sats`;
     if (amount > maxSendable)
       error = `Amount must be at most ${maxSendable} sats`;
     if (error) return fail(400, { error });
 
-    let { pr } = await fetch(`${callback}?amount=${amount * 1000}`).then((r) =>
+    const a = currency
+      ? `${Math.trunc(+amount * 10 ** currency.decimals)}.${currency.code}`
+      : (+amount * 1000).toString();
+
+    let { pr } = await fetch(`${callback}?amount=${a}`).then((r) =>
       r.json()
     );
     redirect(307, `/send/lightning/${pr}`);