Treat empty account the same as non-exist accounts in EIP-1052 (#10775)

2019-06-25 09:14:16 +02:00 · 2019-06-25 09:14:16 +02:00 · d743df549b
commit d743df549b
parent 6022c47b53
1 changed files with 5 additions and 1 deletions
--- a/ethcore/src/externalities.rs
+++ b/ethcore/src/externalities.rs
@ -315,7 +315,11 @@ impl<'a, T: 'a, V: 'a, B: 'a> Ext for Externalities<'a, T, V, B>
 	}

 	fn extcodehash(&self, address: &Address) -> vm::Result<Option<H256>> {
+		if self.state.exists_and_not_null(address)? {
 			Ok(self.state.code_hash(address)?)
+		} else {
+			Ok(None)
+		}
 	}

 	fn extcodesize(&self, address: &Address) -> vm::Result<Option<usize>> {