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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/account.rs
View File

@@ -36,7 +36,7 @@ pub struct Account {
// Code cache of the account.
code_cache: Bytes,
// Account is new or has been modified
dirty: bool,
filth: Filth,
}
impl Account {
@@ -50,7 +50,7 @@ impl Account {
storage_overlay: RefCell::new(storage.into_iter().map(|(k, v)| (k, (Filth::Dirty, v))).collect()),
code_hash: Some(code.sha3()),
code_cache: code,
dirty: true,
filth: Filth::Dirty,
}
}
@@ -63,7 +63,7 @@ impl Account {
storage_overlay: RefCell::new(pod.storage.into_iter().map(|(k, v)| (k, (Filth::Dirty, v))).collect()),
code_hash: Some(pod.code.sha3()),
code_cache: pod.code,
dirty: true,
filth: Filth::Dirty,
}
}
@@ -76,7 +76,7 @@ impl Account {
storage_overlay: RefCell::new(HashMap::new()),
code_hash: Some(SHA3_EMPTY),
code_cache: vec![],
dirty: true,
filth: Filth::Dirty,
}
}
@@ -90,7 +90,7 @@ impl Account {
storage_overlay: RefCell::new(HashMap::new()),
code_hash: Some(r.val_at(3)),
code_cache: vec![],
dirty: false,
filth: Filth::Clean,
}
}
@@ -104,7 +104,7 @@ impl Account {
storage_overlay: RefCell::new(HashMap::new()),
code_hash: None,
code_cache: vec![],
dirty: true,
filth: Filth::Dirty,
}
}
@@ -113,7 +113,7 @@ impl Account {
pub fn init_code(&mut self, code: Bytes) {
assert!(self.code_hash.is_none());
self.code_cache = code;
self.dirty = true;
self.filth = Filth::Dirty;
}
/// Reset this account's code to the given code.
@@ -125,7 +125,7 @@ impl Account {
/// Set (and cache) the contents of the trie's storage at `key` to `value`.
pub fn set_storage(&mut self, key: H256, value: H256) {
self.storage_overlay.borrow_mut().insert(key, (Filth::Dirty, value));
self.dirty = true;
self.filth = Filth::Dirty;
}
/// Get (and cache) the contents of the trie's storage at `key`.
@@ -183,7 +183,7 @@ impl Account {
/// Is this a new or modified account?
pub fn is_dirty(&self) -> bool {
self.dirty
self.filth == Filth::Dirty
}
/// Provide a database to get `code_hash`. Should not be called if it is a contract without code.
pub fn cache_code(&mut self, db: &AccountDB) -> bool {
@@ -216,13 +216,13 @@ impl Account {
/// Increment the nonce of the account by one.
pub fn inc_nonce(&mut self) {
self.nonce = self.nonce + U256::from(1u8);
self.dirty = true;
self.filth = Filth::Dirty;
}
/// Increment the nonce of the account by one.
pub fn add_balance(&mut self, x: &U256) {
self.balance = self.balance + *x;
self.dirty = true;
self.filth = Filth::Dirty;
}
/// Increment the nonce of the account by one.
@@ -230,7 +230,7 @@ impl Account {
pub fn sub_balance(&mut self, x: &U256) {
assert!(self.balance >= *x);
self.balance = self.balance - *x;
self.dirty = true;
self.filth = Filth::Dirty;
}
/// Commit the `storage_overlay` to the backing DB and update `storage_root`.

24
ethcore/src/block.rs
View File

@@ -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())

16
ethcore/src/blockchain/blockchain.rs
View File

@@ -445,8 +445,8 @@ impl BlockChain {
let mut from_branch = vec![];
let mut to_branch = vec![];
let mut from_details = self.block_details(&from).expect(&format!("0. Expected to find details for block {:?}", from));
let mut to_details = self.block_details(&to).expect(&format!("1. Expected to find details for block {:?}", to));
let mut from_details = self.block_details(&from).unwrap_or_else(|| panic!("0. Expected to find details for block {:?}", from));
let mut to_details = self.block_details(&to).unwrap_or_else(|| panic!("1. Expected to find details for block {:?}", to));
let mut current_from = from;
let mut current_to = to;
@@ -454,13 +454,13 @@ impl BlockChain {
while from_details.number > to_details.number {
from_branch.push(current_from);
current_from = from_details.parent.clone();
from_details = self.block_details(&from_details.parent).expect(&format!("2. Expected to find details for block {:?}", from_details.parent));
from_details = self.block_details(&from_details.parent).unwrap_or_else(|| panic!("2. Expected to find details for block {:?}", from_details.parent));
}
while to_details.number > from_details.number {
to_branch.push(current_to);
current_to = to_details.parent.clone();
to_details = self.block_details(&to_details.parent).expect(&format!("3. Expected to find details for block {:?}", to_details.parent));
to_details = self.block_details(&to_details.parent).unwrap_or_else(|| panic!("3. Expected to find details for block {:?}", to_details.parent));
}
assert_eq!(from_details.number, to_details.number);
@@ -469,11 +469,11 @@ impl BlockChain {
while current_from != current_to {
from_branch.push(current_from);
current_from = from_details.parent.clone();
from_details = self.block_details(&from_details.parent).expect(&format!("4. Expected to find details for block {:?}", from_details.parent));
from_details = self.block_details(&from_details.parent).unwrap_or_else(|| panic!("4. Expected to find details for block {:?}", from_details.parent));
to_branch.push(current_to);
current_to = to_details.parent.clone();
to_details = self.block_details(&to_details.parent).expect(&format!("5. Expected to find details for block {:?}", from_details.parent));
to_details = self.block_details(&to_details.parent).unwrap_or_else(|| panic!("5. Expected to find details for block {:?}", from_details.parent));
}
let index = from_branch.len();
@@ -613,7 +613,7 @@ impl BlockChain {
let hash = block.sha3();
let number = header.number();
let parent_hash = header.parent_hash();
let parent_details = self.block_details(&parent_hash).expect(format!("Invalid parent hash: {:?}", parent_hash).as_ref());
let parent_details = self.block_details(&parent_hash).unwrap_or_else(|| panic!("Invalid parent hash: {:?}", parent_hash));
let total_difficulty = parent_details.total_difficulty + header.difficulty();
let is_new_best = total_difficulty > self.best_block_total_difficulty();
@@ -682,7 +682,7 @@ impl BlockChain {
let parent_hash = header.parent_hash();
// update parent
let mut parent_details = self.block_details(&parent_hash).expect(format!("Invalid parent hash: {:?}", parent_hash).as_ref());
let mut parent_details = self.block_details(&parent_hash).unwrap_or_else(|| panic!("Invalid parent hash: {:?}", parent_hash));
parent_details.children.push(info.hash.clone());
// create current block details

3
ethcore/src/client/client.rs
View File

@@ -252,6 +252,9 @@ impl Client {
/// Flush the block import queue.
pub fn flush_queue(&self) {
self.block_queue.flush();
while !self.block_queue.queue_info().is_empty() {
self.import_verified_blocks(&IoChannel::disconnected());
}
}
fn build_last_hashes(&self, parent_hash: H256) -> LastHashes {

8
ethcore/src/header.rs
View File

@@ -18,7 +18,7 @@
use util::*;
use basic_types::*;
use time::now_utc;
use time::get_time;
/// Type for Block number
pub type BlockNumber = u64;
@@ -137,6 +137,10 @@ impl Header {
pub fn state_root(&self) -> &H256 { &self.state_root }
/// Get the receipts root field of the header.
pub fn receipts_root(&self) -> &H256 { &self.receipts_root }
/// Get the transactions root field of the header.
pub fn transactions_root(&self) -> &H256 { &self.transactions_root }
/// Get the uncles hash field of the header.
pub fn uncles_hash(&self) -> &H256 { &self.uncles_hash }
/// Get the gas limit field of the header.
pub fn gas_limit(&self) -> &U256 { &self.gas_limit }
@@ -162,7 +166,7 @@ impl Header {
/// Set the timestamp field of the header.
pub fn set_timestamp(&mut self, a: u64) { self.timestamp = a; self.note_dirty(); }
/// Set the timestamp field of the header to the current time.
pub fn set_timestamp_now(&mut self, but_later_than: u64) { self.timestamp = max(now_utc().to_timespec().sec as u64, but_later_than + 1); self.note_dirty(); }
pub fn set_timestamp_now(&mut self, but_later_than: u64) { self.timestamp = max(get_time().sec as u64, but_later_than + 1); self.note_dirty(); }
/// Set the number field of the header.
pub fn set_number(&mut self, a: BlockNumber) { self.number = a; self.note_dirty(); }
/// Set the author field of the header.