fix: Correct confirmations for UTXOs in wallet FFI

Author: xdustinface

key-wallet-ffi/src/utxo.rs

@@ -3,7 +3,7 @@
 use std::ffi::CString;
 use std::os::raw::c_char;
 use std::ptr;
-
+use key_wallet::wallet::managed_wallet_info::wallet_info_interface::WalletInfoInterface;
 use crate::error::{FFIError, FFIErrorCode};
 use crate::managed_wallet::FFIManagedWalletInfo;
 
@@ -119,9 +119,9 @@ pub unsafe extern "C" fn managed_wallet_get_utxos(
             // Get script bytes
             let script_bytes = utxo.txout.script_pubkey.as_bytes().to_vec();
 
-            // Calculate confirmations (0 if unconfirmed)
-            let confirmations = if utxo.is_confirmed {
-                1
+            let current_height = managed_info.inner().synced_height();
+            let confirmations = if utxo.is_confirmed && utxo.height > 0 {
+                current_height - utxo.height + 1
             } else {
                 0
             };