From 0bbd1e3bca1b0d69ca184e01c678fdef5a1fe359 Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Wed, 13 Apr 2022 17:23:05 +0200
Subject: [PATCH] chore: add as number helper function (#1139)

---
 ethers-core/src/types/block.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ethers-core/src/types/block.rs b/ethers-core/src/types/block.rs
index c738ac99..cfe9d179 100644
--- a/ethers-core/src/types/block.rs
+++ b/ethers-core/src/types/block.rs
@@ -222,6 +222,16 @@ pub enum BlockNumber {
     Number(U64),
 }
 
+impl BlockNumber {
+    /// Returns the numeric block number if explicitly set
+    pub fn as_number(&self) -> Option<U64> {
+        match *self {
+            BlockNumber::Number(num) => Some(num),
+            _ => None,
+        }
+    }
+}
+
 impl<T: Into<U64>> From<T> for BlockNumber {
     fn from(num: T) -> Self {
         BlockNumber::Number(num.into())