Update intent.rs

Author: iamfurydammit

src/intent.rs

@@ -2,7 +2,7 @@
 //!
 //! An Intent is an immutable, cryptographically bound declaration
 //! of transfer parameters. No receiver address is included.
-
+use crate::intent_binding::IntentBinding;
 use serde::Serialize;
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -16,11 +16,13 @@ pub struct Amount(pub u64);
 
 #[derive(Debug, Clone, Serialize)]
 pub struct TransferIntent {
-
     pub amount_xrp_drops: u64,
     pub expiry_unix: u64,
     pub protocol_version: &'static str,
     pub fee_drops: u64,
+
+    /// Optional contextual binding (ledger / participants)
+    pub binding: Option<IntentBinding>,
 }
 
 impl TransferIntent {
@@ -30,6 +32,7 @@ impl TransferIntent {
             expiry_unix,
             protocol_version: "RFC-XSTRP-0001",
             fee_drops: 10_000, // 0.01 XRP base fee
+            binding: None,
         }
     }
 }