From a5fda6f03e6cb3e8288a9c85f035a74bdc46af5e Mon Sep 17 00:00:00 2001
From: ZuphitF <zuphit@starkware.co>
Date: Tue, 18 Jul 2023 11:51:36 +0300
Subject: [PATCH] add Fee::ZERO

---
 src/transaction.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/transaction.rs b/src/transaction.rs
index ccd2611e..a7629daa 100644
--- a/src/transaction.rs
+++ b/src/transaction.rs
@@ -277,6 +277,10 @@ pub struct TransactionReceipt {
 #[serde(from = "PrefixedBytesAsHex<16_usize>", into = "PrefixedBytesAsHex<16_usize>")]
 pub struct Fee(pub u128);
 
+impl Fee {
+    pub const ZERO: Self = Self(0);
+}
+
 impl From<PrefixedBytesAsHex<16_usize>> for Fee {
     fn from(val: PrefixedBytesAsHex<16_usize>) -> Self {
         Self(u128::from_be_bytes(val.0))