blockworks-foundation
/
solana
mirror of https://github.com/blockworks-foundation/solana.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

get rid of unnecessary data copy (#16214) 

* get rid of unnecessary data copy

* preserve rent_epoch
This commit is contained in:
Jeff Washington (jwash) 2021-03-31 09:11:39 -05:00 committed by GitHub
parent e57975de26
commit a5dcee254d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
runtime/src/message_processor.rs
View File

@ -204,17 +204,9 @@ impl PreAccount {
pub fn update(&mut self, account: &AccountSharedData) {
let mut pre = self.account.borrow_mut();
pre.lamports = account.lamports;
pre.owner = account.owner;
pre.executable = account.executable;
if pre.data().len() != account.data().len() {
// Only system account can change data size, copy with alloc
pre.set_data(account.data().clone());
} else {
// Copy without allocate
pre.data_as_mut_slice().clone_from_slice(&account.data());
}
let rent_epoch = pre.rent_epoch();
*pre = account.clone();
pre.set_rent_epoch(rent_epoch);
self.changed = true;
}