grassrootseconomics/openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fewer allocations

Browse Source
This commit is contained in:
arkpar 2017-03-24 15:43:54 +01:00
parent 56ba9a30ac
commit b52c7bba4b
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ethcore/src/snapshot/account.rs
View File

@ -71,8 +71,9 @@ pub fn to_fat_rlps(acc: &BasicAccount, acct_db: &AccountDB, used_code: &mut Hash
let db = TrieDB::new(acct_db, &acc.storage_root)?; let db = TrieDB::new(acct_db, &acc.storage_root)?;
let pair_chunks: Vec<Vec<_>> = db.iter()?.chunks(preferred_size / AVERAGE_BYTES_PER_STORAGE_ENTRY).into_iter().map(|chunk| chunk.collect()).collect(); let chunks = db.iter()?.chunks(preferred_size / AVERAGE_BYTES_PER_STORAGE_ENTRY);
pair_chunks.into_iter().pad_using(1, |_| Vec::new(), ).map(|pairs| { let pair_chunks = chunks.into_iter().map(|chunk| chunk.collect());
pair_chunks.pad_using(1, |_| Vec::new(), ).map(|pairs| {
let mut stream = RlpStream::new_list(pairs.len()); let mut stream = RlpStream::new_list(pairs.len());
for r in pairs { for r in pairs {