Add: splitted helper in sent and not sent from maker

Author: arkanoider

src/order.rs

@@ -256,6 +256,15 @@ impl Order {
 
     /// Check if the sender is the creator of the order
     pub fn sent_from_maker(&self, sender: PublicKey) -> Result<(), CantDoReason> {
+        let sender = sender.to_string();
+        if self.creator_pubkey != sender {
+            return Err(CantDoReason::InvalidPubkey);
+        }
+        Ok(())
+    }
+
+    /// Check if the sender is the creator of the order
+    pub fn not_sent_from_maker(&self, sender: PublicKey) -> Result<(), CantDoReason> {
         let sender = sender.to_string();
         if self.creator_pubkey == sender {
             return Err(CantDoReason::InvalidPubkey);