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Removing lifetimes from Blocks

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This commit is contained in:
Tomasz Drwięga 2016-02-24 11:17:25 +01:00
parent d3fe3f2691
commit d914a27bdf
3 changed files with 23 additions and 25 deletions
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38
ethcore/src/block.rs
View File

@ -146,18 +146,18 @@ impl IsBlock for ExecutedBlock {
///
/// It's a bit like a Vec<Transaction>, eccept that whenever a transaction is pushed, we execute it and
/// maintain the system `state()`. We also archive execution receipts in preparation for later block creation.
pub struct OpenBlock<'x, 'y> {
pub struct OpenBlock<'x> {
block: ExecutedBlock,
engine: &'x Engine,
last_hashes: &'y LastHashes,
last_hashes: LastHashes,
}
/// Just like OpenBlock, except that we've applied `Engine::on_close_block`, finished up the non-seal header fields,
/// and collected the uncles.
///
/// There is no function available to push a transaction. If you want that you'll need to `reopen()` it.
pub struct ClosedBlock<'x, 'y> {
open_block: OpenBlock<'x, 'y>,
pub struct ClosedBlock<'x> {
open_block: OpenBlock<'x>,
uncle_bytes: Bytes,
}
@ -169,9 +169,9 @@ pub struct SealedBlock {
uncle_bytes: Bytes,
}
impl<'x, 'y> OpenBlock<'x, 'y> {
impl<'x> OpenBlock<'x> {
/// Create a new OpenBlock ready for transaction pushing.
pub fn new(engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: &'y LastHashes, author: Address, extra_data: Bytes) -> Self {
pub fn new(engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes, author: Address, extra_data: Bytes) -> Self {
let mut r = OpenBlock {
block: ExecutedBlock::new(State::from_existing(db, parent.state_root().clone(), engine.account_start_nonce())),
engine: engine,
@ -259,7 +259,7 @@ impl<'x, 'y> OpenBlock<'x, 'y> {
}
/// Turn this into a `ClosedBlock`. A BlockChain must be provided in order to figure out the uncles.
pub fn close(self) -> ClosedBlock<'x, 'y> {
pub fn close(self) -> ClosedBlock<'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());
@ -275,16 +275,16 @@ impl<'x, 'y> OpenBlock<'x, 'y> {
}
}
impl<'x, 'y> IsBlock for OpenBlock<'x, 'y> {
impl<'x> IsBlock for OpenBlock<'x> {
fn block(&self) -> &ExecutedBlock { &self.block }
}
impl<'x, 'y> IsBlock for ClosedBlock<'x, 'y> {
impl<'x> IsBlock for ClosedBlock<'x> {
fn block(&self) -> &ExecutedBlock { &self.open_block.block }
}
impl<'x, 'y> ClosedBlock<'x, 'y> {
fn new(open_block: OpenBlock<'x, 'y>, uncle_bytes: Bytes) -> Self {
impl<'x> ClosedBlock<'x> {
fn new(open_block: OpenBlock<'x>, uncle_bytes: Bytes) -> Self {
ClosedBlock {
open_block: open_block,
uncle_bytes: uncle_bytes,
@ -307,7 +307,7 @@ impl<'x, 'y> ClosedBlock<'x, 'y> {
}
/// Turn this back into an `OpenBlock`.
pub fn reopen(self) -> OpenBlock<'x, 'y> { self.open_block }
pub fn reopen(self) -> OpenBlock<'x> { self.open_block }
/// Drop this object and return the underlieing database.
pub fn drain(self) -> JournalDB { self.open_block.block.state.drop().1 }
@ -332,7 +332,7 @@ impl IsBlock for SealedBlock {
}
/// Enact the block given by block header, transactions and uncles
pub fn enact<'x, 'y>(header: &Header, transactions: &[SignedTransaction], uncles: &[Header], engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: &'y LastHashes) -> Result<ClosedBlock<'x, 'y>, Error> {
pub fn enact<'x>(header: &Header, transactions: &[SignedTransaction], uncles: &[Header], engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock<'x>, Error> {
{
if ::log::max_log_level() >= ::log::LogLevel::Trace {
let s = State::from_existing(db.clone(), parent.state_root().clone(), engine.account_start_nonce());
@ -350,20 +350,20 @@ pub fn enact<'x, 'y>(header: &Header, transactions: &[SignedTransaction], uncles
}
/// Enact the block given by `block_bytes` using `engine` on the database `db` with given `parent` block header
pub fn enact_bytes<'x, 'y>(block_bytes: &[u8], engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: &'y LastHashes) -> Result<ClosedBlock<'x, 'y>, Error> {
pub fn enact_bytes<'x>(block_bytes: &[u8], engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock<'x>, Error> {
let block = BlockView::new(block_bytes);
let header = block.header();
enact(&header, &block.transactions(), &block.uncles(), engine, db, parent, last_hashes)
}
/// Enact the block given by `block_bytes` using `engine` on the database `db` with given `parent` block header
pub fn enact_verified<'x, 'y>(block: &PreVerifiedBlock, engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: &'y LastHashes) -> Result<ClosedBlock<'x, 'y>, Error> {
pub fn enact_verified<'x>(block: &PreVerifiedBlock, engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock<'x>, Error> {
let view = BlockView::new(&block.bytes);
enact(&block.header, &block.transactions, &view.uncles(), engine, db, parent, last_hashes)
}
/// Enact the block given by `block_bytes` using `engine` on the database `db` with given `parent` block header. Seal the block aferwards
pub fn enact_and_seal(block_bytes: &[u8], engine: &Engine, db: JournalDB, parent: &Header, last_hashes: &LastHashes) -> Result<SealedBlock, Error> {
pub fn enact_and_seal(block_bytes: &[u8], engine: &Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes) -> Result<SealedBlock, Error> {
let header = BlockView::new(block_bytes).header_view();
Ok(try!(try!(enact_bytes(block_bytes, engine, db, parent, last_hashes)).seal(header.seal())))
}
@ -384,7 +384,7 @@ mod tests {
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let last_hashes = vec![genesis_header.hash()];
let b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
let b = OpenBlock::new(engine.deref(), db, &genesis_header, last_hashes, Address::zero(), vec![]);
let b = b.close();
let _ = b.seal(vec![]);
}
@ -398,14 +398,14 @@ mod tests {
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let b = OpenBlock::new(engine.deref(), db, &genesis_header, &vec![genesis_header.hash()], Address::zero(), vec![]).close().seal(vec![]).unwrap();
let b = OpenBlock::new(engine.deref(), db, &genesis_header, vec![genesis_header.hash()], Address::zero(), vec![]).close().seal(vec![]).unwrap();
let orig_bytes = b.rlp_bytes();
let orig_db = b.drain();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let e = enact_and_seal(&orig_bytes, engine.deref(), db, &genesis_header, &vec![genesis_header.hash()]).unwrap();
let e = enact_and_seal(&orig_bytes, engine.deref(), db, &genesis_header, vec![genesis_header.hash()]).unwrap();
assert_eq!(e.rlp_bytes(), orig_bytes);

6
ethcore/src/client.rs
View File

@ -262,7 +262,6 @@ impl Client {
fn check_and_close_block(&self, block: &PreVerifiedBlock) -> Result<ClosedBlock, ()> {
let engine = self.engine.deref().deref();
let header = &block.header;
let header_hash = block.header.hash();
// Verify Block Family
let verify_family_result = verify_block_family(&header, &block.bytes, engine, self.chain.read().unwrap().deref());
@ -310,14 +309,13 @@ impl Client {
let blocks = self.block_queue.write().unwrap().drain(max_blocks_to_import);
for block in blocks {
let header = block.header;
let header = &block.header;
if bad_blocks.contains(&header.parent_hash) {
bad_blocks.insert(header.hash());
continue;
}
let closed_block = self.check_and_close_block(&block);
if let Err(_) = closed_block {
bad_blocks.insert(header.hash());
@ -350,7 +348,7 @@ impl Client {
let bad_blocks = bad_blocks.into_iter().collect::<Vec<H256>>();
{
let block_queue = self.block_queue.write().unwrap();
let mut block_queue = self.block_queue.write().unwrap();
block_queue.mark_as_bad(&bad_blocks);
block_queue.mark_as_good(&good_blocks);
}

4
ethcore/src/ethereum/ethash.rs
View File

@ -282,7 +282,7 @@ mod tests {
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let last_hashes = vec![genesis_header.hash()];
let b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
let b = OpenBlock::new(engine.deref(), db, &genesis_header, last_hashes, Address::zero(), vec![]);
let b = b.close();
assert_eq!(b.state().balance(&Address::zero()), U256::from_str("4563918244f40000").unwrap());
}
@ -295,7 +295,7 @@ mod tests {
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let last_hashes = vec![genesis_header.hash()];
let mut b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
let mut b = OpenBlock::new(engine.deref(), db, &genesis_header, last_hashes, Address::zero(), vec![]);
let mut uncle = Header::new();
let uncle_author = address_from_hex("ef2d6d194084c2de36e0dabfce45d046b37d1106");
uncle.author = uncle_author.clone();