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JournalDB -> Box<JournalDB>, and it's a trait.

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This commit is contained in:
Gav Wood
2016-03-11 12:54:48 +01:00
parent 99e577ad2f
commit 756f964130
7 changed files with 116 additions and 89 deletions
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16
ethcore/src/block.rs
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@@ -171,7 +171,7 @@ pub struct SealedBlock {
impl<'x> OpenBlock<'x> {
/// Create a new OpenBlock ready for transaction pushing.
pub fn new(engine: &'x Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes, author: Address, extra_data: Bytes) -> Self {
pub fn new(engine: &'x Engine, db: Box<JournalDB + Send>, 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,
@@ -317,7 +317,7 @@ impl ClosedBlock {
}
/// Drop this object and return the underlieing database.
pub fn drain(self) -> JournalDB { self.block.state.drop().1 }
pub fn drain(self) -> Box<JournalDB + Send> { self.block.state.drop().1 }
}
impl SealedBlock {
@@ -331,7 +331,7 @@ impl SealedBlock {
}
/// Drop this object and return the underlieing database.
pub fn drain(self) -> JournalDB { self.block.state.drop().1 }
pub fn drain(self) -> Box<JournalDB + Send> { self.block.state.drop().1 }
}
impl IsBlock for SealedBlock {
@@ -339,10 +339,10 @@ impl IsBlock for SealedBlock {
}
/// Enact the block given by block header, transactions and uncles
pub fn enact(header: &Header, transactions: &[SignedTransaction], uncles: &[Header], engine: &Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock, Error> {
pub fn enact(header: &Header, transactions: &[SignedTransaction], uncles: &[Header], engine: &Engine, db: Box<JournalDB + Send>, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock, Error> {
{
if ::log::max_log_level() >= ::log::LogLevel::Trace {
let s = State::from_existing(db.clone(), parent.state_root().clone(), engine.account_start_nonce());
let s = State::from_existing(db.spawn(), parent.state_root().clone(), engine.account_start_nonce());
trace!("enact(): root={}, author={}, author_balance={}\n", s.root(), header.author(), s.balance(&header.author()));
}
}
@@ -357,20 +357,20 @@ pub fn enact(header: &Header, transactions: &[SignedTransaction], uncles: &[Head
}
/// Enact the block given by `block_bytes` using `engine` on the database `db` with given `parent` block header
pub fn enact_bytes(block_bytes: &[u8], engine: &Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock, Error> {
pub fn enact_bytes(block_bytes: &[u8], engine: &Engine, db: Box<JournalDB + Send>, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock, 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(block: &PreverifiedBlock, engine: &Engine, db: JournalDB, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock, Error> {
pub fn enact_verified(block: &PreverifiedBlock, engine: &Engine, db: Box<JournalDB + Send>, parent: &Header, last_hashes: LastHashes) -> Result<ClosedBlock, 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: Box<JournalDB + Send>, 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(engine, header.seal())))
}