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Backports for beta (#1888)

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* Sync to peers with confirmed fork block only (#1863)

* Fixing gas conversion

* Validating u256->usize conversion

* Update cache usage on commiting block info (#1871)

* Use UntrustedRlp for block verification (#1872)

* take snapshot at specified block and slightly better informants (#1873)

* prettier informant for snapshot creation

* allow taking snapshot at a given block

* minor tweaks

* elaborate on cli

* Send new block hashes to all peers (#1875)

* Reduce max open files (#1876)

* ws-rs update

* Fixing test

* Fixing miner deadlock (#1885)
This commit is contained in:
Arkadiy Paronyan
2016-08-09 14:05:02 +02:00
committed by GitHub
parent 6336bdecf3
commit 52ac5a00f5
22 changed files with 360 additions and 145 deletions
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36
ethcore/src/client/client.rs
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@@ -594,19 +594,35 @@ impl Client {
}
}
/// Take a snapshot.
pub fn take_snapshot<W: snapshot_io::SnapshotWriter + Send>(&self, writer: W) -> Result<(), ::error::Error> {
/// Take a snapshot at the given block.
/// If the ID given is "latest", this will default to 1000 blocks behind.
pub fn take_snapshot<W: snapshot_io::SnapshotWriter + Send>(&self, writer: W, at: BlockID, p: &snapshot::Progress) -> Result<(), ::error::Error> {
let db = self.state_db.lock().boxed_clone();
let best_block_number = self.chain_info().best_block_number;
let start_block_number = if best_block_number > 1000 {
best_block_number - 1000
} else {
0
};
let start_hash = self.block_hash(BlockID::Number(start_block_number))
.expect("blocks within HISTORY are always stored.");
let block_number = try!(self.block_number(at).ok_or(snapshot::Error::InvalidStartingBlock(at)));
try!(snapshot::take_snapshot(&self.chain, start_hash, db.as_hashdb(), writer));
if best_block_number > HISTORY + block_number && db.is_pruned() {
return Err(snapshot::Error::OldBlockPrunedDB.into());
}
let start_hash = match at {
BlockID::Latest => {
let start_num = if best_block_number > 1000 {
best_block_number - 1000
} else {
0
};
self.block_hash(BlockID::Number(start_num))
.expect("blocks within HISTORY are always stored.")
}
_ => match self.block_hash(at) {
Some(hash) => hash,
None => return Err(snapshot::Error::InvalidStartingBlock(at).into()),
},
};
try!(snapshot::take_snapshot(&self.chain, start_hash, db.as_hashdb(), writer, p));
Ok(())
}