impl TryFrom<U256> for Chain

gakonst · May 11, 2022 · 341b275 · 341b275
1 parent 0a03141
commit 341b275
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/ethers-core/src/types/chain.rs b/ethers-core/src/types/chain.rs
@@ -128,6 +128,17 @@ impl TryFrom<u64> for Chain {
     }
 }
 
+impl TryFrom<U256> for Chain {
+    type Error = ParseChainError;
+
+    fn try_from(chain: U256) -> Result<Chain, Self::Error> {
+        if chain.bits() > 64 {
+            return Err(ParseChainError(chain.to_string()));
+        }
+        chain.as_u64().try_into()
+    }
+}
+
 impl FromStr for Chain {
     type Err = ParseChainError;
     fn from_str(chain: &str) -> Result<Self, Self::Err> {