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More performance optimizations (#1649)

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* Use tree index for DB

* Set uncles_hash, tx_root, receipts_root from verified block

* Use Filth instead of a bool

* Fix empty root check

* Flush block queue properly

* Expunge deref
This commit is contained in:
Arkadiy Paronyan
2016-07-19 09:23:53 +02:00
committed by Gav Wood
parent 459dcbcef1
commit 4e447ccc68
12 changed files with 64 additions and 63 deletions
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24
ethcore/src/block.rs
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@@ -275,6 +275,15 @@ impl<'x> OpenBlock<'x> {
/// Alter the gas limit for the block.
pub fn set_gas_used(&mut self, a: U256) { self.block.base.header.set_gas_used(a); }
/// Alter the uncles hash the block.
pub fn set_uncles_hash(&mut self, h: H256) { self.block.base.header.set_uncles_hash(h); }
/// Alter transactions root for the block.
pub fn set_transactions_root(&mut self, h: H256) { self.block.base.header.set_transactions_root(h); }
/// Alter the receipts root for the block.
pub fn set_receipts_root(&mut self, h: H256) { self.block.base.header.set_receipts_root(h); }
/// Alter the extra_data for the block.
pub fn set_extra_data(&mut self, extra_data: Bytes) -> Result<(), BlockError> {
if extra_data.len() > self.engine.maximum_extra_data_size() {
@@ -365,11 +374,17 @@ impl<'x> OpenBlock<'x> {
let mut s = self;
s.engine.on_close_block(&mut s.block);
s.block.base.header.transactions_root = ordered_trie_root(s.block.base.transactions.iter().map(|ref e| e.rlp_bytes().to_vec()).collect());
if s.block.base.header.transactions_root.is_zero() || s.block.base.header.transactions_root == SHA3_NULL_RLP {
s.block.base.header.transactions_root = ordered_trie_root(s.block.base.transactions.iter().map(|ref e| e.rlp_bytes().to_vec()).collect());
}
let uncle_bytes = s.block.base.uncles.iter().fold(RlpStream::new_list(s.block.base.uncles.len()), |mut s, u| {s.append_raw(&u.rlp(Seal::With), 1); s} ).out();
s.block.base.header.uncles_hash = uncle_bytes.sha3();
if s.block.base.header.uncles_hash.is_zero() {
s.block.base.header.uncles_hash = uncle_bytes.sha3();
}
if s.block.base.header.receipts_root.is_zero() || s.block.base.header.receipts_root == SHA3_NULL_RLP {
s.block.base.header.receipts_root = ordered_trie_root(s.block.receipts.iter().map(|ref r| r.rlp_bytes().to_vec()).collect());
}
s.block.base.header.state_root = s.block.state.root().clone();
s.block.base.header.receipts_root = ordered_trie_root(s.block.receipts.iter().map(|ref r| r.rlp_bytes().to_vec()).collect());
s.block.base.header.log_bloom = s.block.receipts.iter().fold(LogBloom::zero(), |mut b, r| {b = &b | &r.log_bloom; b}); //TODO: use |= operator
s.block.base.header.gas_used = s.block.receipts.last().map_or(U256::zero(), |r| r.gas_used);
s.block.base.header.note_dirty();
@@ -500,6 +515,9 @@ pub fn enact(
b.set_timestamp(header.timestamp());
b.set_author(header.author().clone());
b.set_extra_data(header.extra_data().clone()).unwrap_or_else(|e| warn!("Couldn't set extradata: {}. Ignoring.", e));
b.set_uncles_hash(header.uncles_hash().clone());
b.set_transactions_root(header.transactions_root().clone());
b.set_receipts_root(header.receipts_root().clone());
for t in transactions { try!(b.push_transaction(t.clone(), None)); }
for u in uncles { try!(b.push_uncle(u.clone())); }
Ok(b.close_and_lock())