Fix bug in scanned url parsing

src/html/home.js

@@ -58,13 +58,29 @@ docReady(function () {
   var resultContainer = document.getElementById('qr-reader-results');
   var lastResult, countResults = 0;
   function onScanSuccess(decodedText, decodedResult) {
-      // if (decodedText !== lastResult) {
+      ++countResults;
-          ++countResults;
+      lastResult = decodedText;
-          lastResult = decodedText;
+      // Handle on success condition with the decoded message.
-          // Handle on success condition with the decoded message.
+      console.log(`Scan result ${decodedText}`, decodedResult);
-          console.log(`Scan result ${decodedText}`, decodedResult);
+      try {
-          service.sendPairingTx(decodedText)
+          // Attempt to parse the decoded text as a URL
-      // }
+          const scannedUrl = new URL(decodedText);
+
+          // Extract the 'sp_address' parameter
+          const spAddress = scannedUrl.searchParams.get('sp_address');
+
+          if (spAddress) {
+              // Call the sendPairingTx function with the extracted sp_address
+              service.sendPairingTx(spAddress);
+          } else {
+              console.error('The scanned URL does not contain the sp_address parameter.');
+              alert('Invalid QR code: sp_address parameter missing.');
+          }
+      } catch (error) {
+          // Handle cases where decodedText is not a valid URL
+          console.error('Scanned text is not a valid URL:', error);
+          alert('Invalid QR code: Unable to parse URL.');
+      }
   }
 
   var html5QrcodeScanner = new Html5QrcodeScanner(

src/index.ts

@@ -21,7 +21,7 @@ try {
 
         const queryString = window.location.search;
         const urlParams = new URLSearchParams(queryString)
-        const pairingAddress = urlParams.get('address')
+        const pairingAddress = urlParams.get('sp_address')
         if(pairingAddress) { 
             await services.sendPairingTx(pairingAddress)
         }