fix bip21 url for liquid

1 files changed, 11 insertions, 5 deletions

diff --git a/lib/utils.js b/lib/utils.js
index b7212639..5a108e81 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -29,13 +29,19 @@ export const pick = (O, K) =>
   K.reduce((o, k) => (typeof O[k] !== "undefined" && (o[k] = O[k]), o), {});
 
 export const bip21 = (address, { amount, memo, tip, type }) => {
+  if (!(amount || memo)) return address;
+
   let network = { liquid: "liquidnetwork", bitcoin: "bitcoin" }[type];
-  let url = amount || memo ? `${network}:${address}?` : address;
-  if (amount)
-    url += `amount=${((amount + tip) / SATS).toFixed(8)}${memo ? "&" : ""}`;
-  if (memo) url += `message=${memo}`;
+  let url = new URLSearchParams();
+
+  if (amount) {
+    url.append("amount", amount);
+    if (type === "liquid") url.append("asset", config.liquid.btc);
+  }
+
+  if (memo) url.append("memo", memo);
 
-  return url;
+  return `${network}:${address}?${url.toString()}`;
 };
 
 export const fields = [