rework

Author: xdustinface

dash-spv-ffi/src/config.rs

@@ -176,7 +176,12 @@ pub unsafe extern "C" fn dash_spv_ffi_config_add_peer(
         return FFIErrorCode::Success as i32;
     }
 
-    // 3) Must be a hostname - reject empty, append default port if not specified
+    // 3) Must be a hostname - reject empty or missing hostname
+    if addr_str.is_empty() {
+        set_last_error("Empty or missing hostname");
+        return FFIErrorCode::InvalidArgument as i32;
+    }
+
     let addr_with_port = if addr_str.contains(':') {
         addr_str.to_string()
     } else {

dash-spv-ffi/tests/unit/test_configuration.rs

@@ -59,6 +59,7 @@ mod tests {
                 "127.0.0.1:99999",      // port too high
                 "127.0.0.1:-1",         // negative port
                 ":9999",                // missing hostname
+                ":",                    // missing hostname and port
                 ":::",                  // invalid IPv6
                 "localhost:abc",        // non-numeric port
                 "localhost:",           // empty port