From 20d5cdc571f2da638f4af61b35237bee6ed3b675 Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@z.cash>
Date: Thu, 11 Oct 2018 23:15:29 +0100
Subject: [PATCH] TxId struct

---
 zcash_primitives/src/transaction/mod.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/zcash_primitives/src/transaction/mod.rs b/zcash_primitives/src/transaction/mod.rs
index 70934e1e2..2993dfd69 100644
--- a/zcash_primitives/src/transaction/mod.rs
+++ b/zcash_primitives/src/transaction/mod.rs
@@ -20,6 +20,9 @@ const OVERWINTER_TX_VERSION: u32 = 3;
 const SAPLING_VERSION_GROUP_ID: u32 = 0x892F2085;
 const SAPLING_TX_VERSION: u32 = 4;
 
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
+pub struct TxId(pub [u8; 32]);
+
 /// A Zcash transaction.
 #[derive(Debug)]
 pub struct Transaction(TransactionData);