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Merge pull request #927 from ethcore/pruning_auto

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Pruning auto
This commit is contained in:
Nikolay Volf
2016-04-12 16:00:39 +03:00
parent f1f81777cc fa95419c27
commit bdb35cfaed
8 changed files with 91 additions and 27 deletions
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30
ethcore/src/client/client.rs
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@@ -17,6 +17,7 @@
//! Blockchain database client.
use std::marker::PhantomData;
use std::path::PathBuf;
use util::*;
use util::panics::*;
use views::BlockView;
@@ -126,22 +127,29 @@ impl Client<CanonVerifier> {
}
}
pub fn get_db_path(path: &Path, pruning: journaldb::Algorithm, genesis_hash: H256) -> PathBuf {
let mut dir = path.to_path_buf();
dir.push(H64::from(genesis_hash).hex());
//TODO: sec/fat: pruned/full versioning
// version here is a bit useless now, since it's controlled only be the pruning algo.
dir.push(format!("v{}-sec-{}", CLIENT_DB_VER_STR, pruning));
dir
}
pub fn append_path(path: &Path, item: &str) -> String {
let mut p = path.to_path_buf();
p.push(item);
p.to_str().unwrap().to_owned()
}
impl<V> Client<V> where V: Verifier {
/// Create a new client with given spec and DB path and custom verifier.
pub fn new_with_verifier(config: ClientConfig, spec: Spec, path: &Path, message_channel: IoChannel<NetSyncMessage> ) -> Result<Arc<Client<V>>, Error> {
let mut dir = path.to_path_buf();
dir.push(H64::from(spec.genesis_header().hash()).hex());
//TODO: sec/fat: pruned/full versioning
// version here is a bit useless now, since it's controlled only be the pruning algo.
dir.push(format!("v{}-sec-{}", CLIENT_DB_VER_STR, config.pruning));
let path = dir.as_path();
let path = get_db_path(path, config.pruning, spec.genesis_header().hash());
let gb = spec.genesis_block();
let chain = Arc::new(BlockChain::new(config.blockchain, &gb, path));
let mut state_path = path.to_path_buf();
state_path.push("state");
let chain = Arc::new(BlockChain::new(config.blockchain, &gb, &path));
let state_path_str = state_path.to_str().unwrap();
let mut state_db = journaldb::new(state_path_str, config.pruning);
let mut state_db = journaldb::new(&append_path(&path, "state"), config.pruning);
if state_db.is_empty() && spec.ensure_db_good(state_db.as_hashdb_mut()) {
state_db.commit(0, &spec.genesis_header().hash(), None).expect("Error commiting genesis state to state DB");