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Fix account and add butress test.

This commit is contained in:
Gav Wood 2016-01-14 23:13:05 +01:00
parent 6f5d383834
commit ea9d333312
1 changed files with 17 additions and 4 deletions
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21
src/account.rs
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@ -182,14 +182,14 @@ impl Account {
/// Commit the `storage_overlay` to the backing DB and update `storage_root`.
pub fn commit_storage(&mut self, db: &mut HashDB) {
let mut t = SecTrieDBMut::new(db, &mut self.storage_root);
let mut t = SecTrieDBMut::from_existing(db, &mut self.storage_root);
for (k, &mut (ref mut f, ref mut v)) in self.storage_overlay.borrow_mut().iter_mut() {
if f == &Filth::Dirty {
// cast key and value to trait type,
// so we can call overloaded `to_bytes` method
match v.is_zero() {
true => t.remove(k),
false => t.insert(k, &encode(&U256::from(v.as_slice()))),
true => { t.remove(k); },
false => { t.insert(k, &encode(&U256::from(v.as_slice()))); },
}
*f = Filth::Clean;
}
@ -272,12 +272,25 @@ mod tests {
fn commit_storage() {
let mut a = Account::new_contract(U256::from(69u8));
let mut db = OverlayDB::new_temp();
a.set_storage(H256::from(&U256::from(0x00u64)), H256::from(&U256::from(0x1234u64)));
a.set_storage(x!(0), x!(0x1234));
assert_eq!(a.storage_root(), None);
a.commit_storage(&mut db);
assert_eq!(a.storage_root().unwrap().hex(), "c57e1afb758b07f8d2c8f13a3b6e44fa5ff94ab266facc5a4fd3f062426e50b2");
}
#[test]
fn commit_remove_commit_storage() {
let mut a = Account::new_contract(U256::from(69u8));
let mut db = OverlayDB::new_temp();
a.set_storage(x!(0), x!(0x1234));
a.commit_storage(&mut db);
a.set_storage(x!(1), x!(0x1234));
a.commit_storage(&mut db);
a.set_storage(x!(1), x!(0));
a.commit_storage(&mut db);
assert_eq!(a.storage_root().unwrap().hex(), "c57e1afb758b07f8d2c8f13a3b6e44fa5ff94ab266facc5a4fd3f062426e50b2");
}
#[test]
fn commit_code() {
let mut a = Account::new_contract(U256::from(69u8));