From 7bf50657420d02bcd3d8d0019f0797bbe409f5ab Mon Sep 17 00:00:00 2001
From: void-57 <ruddhaani60@gmail.com>
Date: Wed, 17 Dec 2025 20:53:23 +0530
Subject: [PATCH] feat: Improve Stellar fee calculation, fix XDR parsing, and
 enhance send address UI with full address display and copy button.

---
 index.html              | 19 ++++++++++++-------
 stellarBlockchainAPI.js |  8 +++++---
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/index.html b/index.html
index 244acf4..dd64556 100644
--- a/index.html
+++ b/index.html
@@ -417,9 +417,14 @@
                     <div class="balance-display">
                       <div class="balance-amount" id="send-balance">0 <span class="currency">XLM</span></div>
                     </div>
-                    <div class="address-display">
-                      <span class="address-label">Address:</span>
-                      <span class="address-value" id="send-from-address">-</span>
+                    <div class="detail-row">
+                      <label>From Address</label>
+                      <div class="detail-value-wrapper">
+                        <code id="send-from-address" class="detail-value">-</code>
+                        <button class="input-action-btn clear-btn" onclick="copyToClipboard('send-from-address')" title="Copy address">
+                          <i class="fa-regular fa-copy"></i>
+                        </button>
+                      </div>
                     </div>
                   </div>
 
@@ -1155,7 +1160,7 @@
             
                 const balanceEl = document.getElementById('send-balance');
                 balanceEl.innerHTML = accountInfo.balanceXlm.toFixed(7) + ' <span class="currency">XLM</span>';
-                document.getElementById('send-from-address').textContent = address.substring(0, 12) + '...' + address.substring(address.length - 12);
+                document.getElementById('send-from-address').textContent = address;
                 document.getElementById('send-wallet-info').style.display = 'block';
             } catch (error) {
                 document.getElementById('send-wallet-info').style.display = 'none';
@@ -1613,15 +1618,15 @@
                                 </div>
                                 <div class="tx-detail-row">
                                     <span class="detail-label">Transaction Fee</span>
-                                    <span class="detail-value fee">${feeXLM.toFixed(6)} XLM</span>
+                                    <span class="detail-value fee">${feeXlm.toFixed(6)} XLM</span>
                                 </div>
                                 <div class="tx-detail-row highlight" style="color: var(--error-color);">
                                     <span class="detail-label">Total Required</span>
-                                    <span class="detail-value">${totalXLM.toFixed(6)} XLM</span>
+                                    <span class="detail-value">${totalXlm.toFixed(6)} XLM</span>
                                 </div>
                                 <div class="tx-detail-row" style="color: var(--error-color); font-weight: 600;">
                                     <span class="detail-label">Shortfall</span>
-                                    <span class="detail-value">${(totalXLM - currentBalance).toFixed(6)} XLM</span>
+                                    <span class="detail-value">${(totalXlm - currentBalance).toFixed(6)} XLM</span>
                                 </div>
                             </div>
                         </div>
diff --git a/stellarBlockchainAPI.js b/stellarBlockchainAPI.js
index 61c7093..948ae4b 100644
--- a/stellarBlockchainAPI.js
+++ b/stellarBlockchainAPI.js
@@ -247,7 +247,9 @@
       
       // Get fee stats
       const feeStats = await server.feeStats();
-      const fee = feeStats.max_fee.mode || (StellarSdk.BASE_FEE || '100');
+      
+      // fee_charged.mode is typically 100 stroops (0.00001 XLM)
+      const fee = feeStats.fee_charged?.mode || feeStats.last_ledger_base_fee || '100';
       
       // Build transaction
       let transaction = new StellarSdk.TransactionBuilder(sourceAccount, {
@@ -311,8 +313,8 @@
     }
     
     try {
-      // Parse the XDR back to a transaction
-      const transaction = new StellarSdk.Transaction(transactionXDR, StellarSdk.Networks.PUBLIC);
+      // Parse the XDR back to a transaction using TransactionBuilder
+      const transaction = StellarSdk.TransactionBuilder.fromXDR(transactionXDR, StellarSdk.Networks.PUBLIC);
       
       // Submit to network
       const result = await server.submitTransaction(transaction);