From 89305b883af35c539f92f069ea6f5192390ee000 Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Thu, 9 Mar 2023 21:50:26 +0100
Subject: [PATCH] chore(rpc): add convenience from impl (#1686)

---
 crates/rpc/rpc-types/src/eth/index.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/crates/rpc/rpc-types/src/eth/index.rs b/crates/rpc/rpc-types/src/eth/index.rs
index 69e28b016d..4ef83b6cea 100644
--- a/crates/rpc/rpc-types/src/eth/index.rs
+++ b/crates/rpc/rpc-types/src/eth/index.rs
@@ -1,10 +1,12 @@
+use reth_primitives::U256;
 use serde::{
     de::{Error, Visitor},
     Deserialize, Deserializer, Serialize, Serializer,
 };
 use std::fmt;
 
-/// A hex encoded or decimal index
+/// A hex encoded or decimal index that's intended to be used as a rust index, hence it's
+/// deserialized into a `usize`.
 #[derive(Debug, PartialEq, Eq, Hash, Clone, Copy, Default)]
 pub struct Index(usize);
 
@@ -14,6 +16,12 @@ impl From<Index> for usize {
     }
 }
 
+impl From<Index> for U256 {
+    fn from(idx: Index) -> Self {
+        U256::from(idx.0)
+    }
+}
+
 impl Serialize for Index {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where