openethereum/src/substate.rs
2016-01-19 17:02:01 +01:00

36 lines
926 B
Rust

use common::*;
/// State changes which should be applied in finalize,
/// after transaction is fully executed.
#[derive(Debug)]
pub struct Substate {
/// Any accounts that have suicided.
pub suicides: HashSet<Address>,
/// Any logs.
pub logs: Vec<LogEntry>,
/// Refund counter of SSTORE nonzero -> zero.
pub sstore_clears_count: U256,
/// Created contracts.
pub contracts_created: Vec<Address>
}
impl Substate {
/// Creates new substate.
pub fn new() -> Self {
Substate {
suicides: HashSet::new(),
logs: vec![],
sstore_clears_count: U256::zero(),
contracts_created: vec![]
}
}
/// TODO [Gav Wood] Please document me
pub fn accrue(&mut self, s: Substate) {
self.suicides.extend(s.suicides.into_iter());
self.logs.extend(s.logs.into_iter());
self.sstore_clears_count = self.sstore_clears_count + s.sstore_clears_count;
self.contracts_created.extend(s.contracts_created.into_iter());
}
}