Add function to convert TON addresses to UQ format with API integration

tonBlockchainAPI.js

@@ -290,6 +290,64 @@
     });
   };
 
+  tonBlockchainAPI.getUQAddress = function (address) {
+    return new Promise((resolve, reject) => {
+      try {
+        if (!address || typeof address !== "string") {
+          resolve(address);
+          return;
+        }
+
+        const isValidTonAddress = address.match(/^[EUk]Q[A-Za-z0-9_-]{46}$/);
+        if (!isValidTonAddress) {
+          resolve(address);
+          return;
+        }
+
+        
+        if (address.startsWith("UQ")) {
+          resolve(address);
+          return;
+        }
+
+        
+        fetch(
+          `https://toncenter.com/api/v2/detectAddress?address=${encodeURIComponent(
+            address
+          )}`,
+          {
+            headers: { "X-API-Key": API_KEY },
+          }
+        )
+          .then((response) => {
+            if (!response.ok) {
+              throw new Error(`HTTP error! Status: ${response.status}`);
+            }
+            return response.json();
+          })
+          .then((data) => {
+            if (data && data.result) {
+              
+              const uqAddress =
+                data.result.non_bounceable?.b64url ||
+                data.result.non_bounceable?.b64 ||
+                address;
+              resolve(uqAddress);
+            } else {
+              resolve(address);
+            }
+          })
+          .catch((error) => {
+            console.warn("Failed to convert address using API:", error);
+            resolve(address);
+          });
+      } catch (error) {
+        console.error("Error in getUQAddress:", error);
+        resolve(address);
+      }
+    });
+  };
+
   /**
    * Create wallet from private key
    * @param {string} privHex - Private key in hexadecimal format
@@ -338,7 +396,11 @@
           await tonBlockchainAPI.getSenderWallet(privHex);
         const seqno = await wallet.methods.seqno().call();
         const senderAddr = address.toString(true, true, true);
-
+        toAddress=await tonBlockchainAPI.getUQAddress(toAddress);
+        
+        console.log(
+          `Sending ${amount} TON from ${senderAddr} to ${toAddress}, seqno: ${seqno}`
+        );
         await wallet.methods
           .transfer({
             secretKey: keyPair.secretKey,