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"--archive" option for disabling the journal DB 

Fixes #579
This commit is contained in:
Gav Wood 2016-03-04 21:06:28 +01:00
parent ba67b67ff3
commit bbbaffbc53
3 changed files with 9 additions and 2 deletions
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3
ethcore/src/blockchain/blockchain.rs
View File

@ -40,6 +40,8 @@ pub struct BlockChainConfig {
pub pref_cache_size: usize,
/// Maximum cache size in bytes.
pub max_cache_size: usize,
/// Prefer journal rather than archive.
pub prefer_journal: bool,
}
impl Default for BlockChainConfig {
@ -47,6 +49,7 @@ impl Default for BlockChainConfig {
BlockChainConfig {
pref_cache_size: 1 << 14,
max_cache_size: 1 << 20,
prefer_journal: false,
}
}
}

5
ethcore/src/client.rs
View File

@ -212,7 +212,8 @@ impl Client {
let mut dir = path.to_path_buf();
dir.push(H64::from(spec.genesis_header().hash()).hex());
//TODO: sec/fat: pruned/full versioning
dir.push(format!("v{}-sec-pruned", CLIENT_DB_VER_STR));
dir.push(format!("v{}-sec-pruned-{}", CLIENT_DB_VER_STR, if config.blockchain.prefer_journal { "journal" } else { "archive" }));
let pj = config.blockchain.prefer_journal;
let path = dir.as_path();
let gb = spec.genesis_block();
let chain = Arc::new(RwLock::new(BlockChain::new(config.blockchain, &gb, path)));
@ -220,7 +221,7 @@ impl Client {
state_path.push("state");
let engine = Arc::new(try!(spec.to_engine()));
let mut state_db = JournalDB::new(state_path.to_str().unwrap());
let mut state_db = JournalDB::from_prefs(state_path.to_str().unwrap(), pj);
if state_db.is_empty() && engine.spec().ensure_db_good(&mut state_db) {
state_db.commit(0, &engine.spec().genesis_header().hash(), None).expect("Error commiting genesis state to state DB");
}

3
parity/main.rs
View File

@ -65,6 +65,7 @@ Usage:
Options:
--chain CHAIN Specify the blockchain type. CHAIN may be either a JSON chain specification file
or frontier, mainnet, morden, or testnet [default: frontier].
--archive Client should not prune the state/storage trie.
-d --db-path PATH Specify the database & configuration directory path [default: $HOME/.parity]
--keys-path PATH Specify the path for JSON key files to be found [default: $HOME/.web3/keys]
@ -102,6 +103,7 @@ struct Args {
flag_chain: String,
flag_db_path: String,
flag_keys_path: String,
flag_archive: bool,
flag_no_bootstrap: bool,
flag_listen_address: String,
flag_public_address: Option<String>,
@ -311,6 +313,7 @@ impl Configuration {
let mut client_config = ClientConfig::default();
client_config.blockchain.pref_cache_size = self.args.flag_cache_pref_size;
client_config.blockchain.max_cache_size = self.args.flag_cache_max_size;
client_config.blockchain.prefer_journal = !self.args.flag_archive;
client_config.queue.max_mem_use = self.args.flag_queue_max_size;
let mut service = ClientService::start(client_config, spec, net_settings, &Path::new(&self.path())).unwrap();
let client = service.client().clone();