From dde9f96595a800d9c02aabfecb9c92136e30029c Mon Sep 17 00:00:00 2001
From: Sebastien Guillemot <SebastienGllmt@gmail.com>
Date: Sun, 7 Aug 2022 03:28:25 +0900
Subject: [PATCH] feat(traverse): Add reference inputs to Tx (#161)

---
 pallas-traverse/src/tx.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pallas-traverse/src/tx.rs b/pallas-traverse/src/tx.rs
index 1af0667..0aa4488 100644
--- a/pallas-traverse/src/tx.rs
+++ b/pallas-traverse/src/tx.rs
@@ -134,6 +134,23 @@ impl<'b> MultiEraTx<'b> {
         }
     }
 
+    pub fn reference_inputs(&self) -> Vec<MultiEraInput> {
+        match self {
+            MultiEraTx::Babbage(x) => x
+                .transaction_body
+                .reference_inputs
+                .as_ref()
+                .map(|inputs|
+                    inputs
+                    .iter()
+                    .map(MultiEraInput::from_alonzo_compatible)
+                    .collect()
+                )
+                .unwrap_or_default(),
+            _ => vec![]
+        }
+    }
+
     pub fn certs(&self) -> Vec<MultiEraCert> {
         match self {
             MultiEraTx::AlonzoCompatible(x, _) => x