State export

ethcore/src/state/mod.rs

@@ -369,6 +369,12 @@ impl State {
 			|a| a.as_ref().map_or(self.account_start_nonce, |account| *account.nonce()))
 	}
 
+	/// Get the storage root of account `a`.
+	pub fn storage_root(&self, a: &Address) -> Option<H256> {
+		self.ensure_cached(a, RequireCache::None, true,
+			|a| a.as_ref().and_then(|account| account.storage_root().cloned()))
+	}
+
 	/// Mutate storage of account `address` so that it is `value` for `key`.
 	pub fn storage_at(&self, address: &Address, key: &H256) -> H256 {
 		// Storage key search and update works like this: