From f672781bfca47921ee8826035c583ebadbb807be Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Wed, 19 Oct 2022 10:56:54 +0200
Subject: [PATCH] feat(api): add StorageProvider trait (#97)

---
 crates/interfaces/src/provider/mod.rs     | 2 ++
 crates/interfaces/src/provider/storage.rs | 8 ++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 crates/interfaces/src/provider/storage.rs

diff --git a/crates/interfaces/src/provider/mod.rs b/crates/interfaces/src/provider/mod.rs
index 6b8087081..eaebb02f4 100644
--- a/crates/interfaces/src/provider/mod.rs
+++ b/crates/interfaces/src/provider/mod.rs
@@ -1,3 +1,5 @@
 mod block;
+mod storage;
 
 pub use block::BlockProvider;
+pub use storage::StorageProvider;
diff --git a/crates/interfaces/src/provider/storage.rs b/crates/interfaces/src/provider/storage.rs
new file mode 100644
index 000000000..6216546fb
--- /dev/null
+++ b/crates/interfaces/src/provider/storage.rs
@@ -0,0 +1,8 @@
+use crate::Result;
+use reth_primitives::{rpc::BlockId, Address, H256, U256};
+
+/// Provides access to storage data
+pub trait StorageProvider {
+    /// Returns the value from a storage position at a given address and `BlockId`
+    fn storage_at(&self, address: Address, index: U256, at: BlockId) -> Result<Option<H256>>;
+}