use util::hash::*; pub struct Env; impl Env { pub fn new() -> Env { Env } pub fn sload(&self, _index: &H256) -> H256 { println!("sload!"); //unimplemented!(); H256::new() } pub fn sstore(&self, _index: &H256, _value: &H256) { println!("sstore!"); //unimplemented!(); } }