1 files changed, 8 insertions, 0 deletions
diff --git a/lib/utils.js b/lib/utils.js
index 45e50243..7fdd10b3 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -171,3 +171,11 @@ export const derivePayRequest = async ({ amount, memo, tip }) => {
     await ln.invoice(value ? `${value}sat` : "any", new Date(), memo, 360)
   ).bolt11;
 };
+
+export const sleep = (n) => new Promise((r) => setTimeout(r, n));
+export const wait = async (f, s = 300, n = 1000) => {
+  let i = 0;
+  while (!(await f()) && i < s) (await sleep(n)) && i++;
+  if (i >= s) throw new Error("timeout");
+  return f();
+};