diff --git a/apps/pay/pages/index.tsx b/apps/pay/pages/index.tsx
index 72aa16c44a0..4b8b866f917 100644
--- a/apps/pay/pages/index.tsx
+++ b/apps/pay/pages/index.tsx
@@ -1,4 +1,4 @@
-import React from "react"
+import React, { useState } from "react"
import Card from "react-bootstrap/Card"
import Col from "react-bootstrap/Col"
import Container from "react-bootstrap/Container"
@@ -45,8 +45,61 @@ function Home() {
)
}
+ const [nfcMessage, setNfcMessage] = useState("")
+
+ const checkForLnurl = (text) => {
+ return text.toLowerCase().includes("lnurl")
+ }
+
+ const decodeNDEFRecord = (record) => {
+ // Ensure that the record's data is an instance of ArrayBuffer
+ if (record.data instanceof ArrayBuffer) {
+ const decoder = new TextDecoder(record.encoding || "utf-8")
+ return decoder.decode(record.data)
+ } else {
+ // If it's not an ArrayBuffer, it might be a DataView or another typed array.
+ // In that case, we can create a new Uint8Array from the buffer of the DataView.
+ const decoder = new TextDecoder(record.encoding || "utf-8")
+ return decoder.decode(new Uint8Array(record.data.buffer))
+ }
+ }
+
+ const handleNFCScan = () => {
+ if ("NDEFReader" in window) {
+ const ndef = new NDEFReader()
+ ndef
+ .scan()
+ .then(() => {
+ console.log("NFC scan started successfully.")
+
+ ndef.onreading = (event) => {
+ console.log("NFC tag read.")
+ const record = event.message.records[0]
+ const text = decodeNDEFRecord(record)
+
+ if (checkForLnurl(text)) {
+ setNfcMessage(text)
+ // Handle your "lnurl" logic here...
+ }
+ }
+
+ ndef.onreadingerror = () => {
+ console.log("Cannot read data from the NFC tag. Try another one?")
+ }
+ })
+ .catch((error) => {
+ console.log(`Error! Scan failed to start: ${error}.`)
+ })
+ } else {
+ console.log("NFC is not supported")
+ }
+ }
+
return (