Refactors journaldb as a separate crate

Cargo.toml

@@ -62,6 +62,7 @@ hash = { path = "util/hash" }
 migration = { path = "util/migration" }
 kvdb = { path = "util/kvdb" }
 kvdb-rocksdb = { path = "util/kvdb-rocksdb" }
+journaldb = { path = "util/journaldb" }
 
 parity-dapps = { path = "dapps", optional = true }
 clippy = { version = "0.0.103", optional = true}

ethcore/Cargo.toml

@@ -71,6 +71,7 @@ hash = { path = "../util/hash" }
 triehash = { path = "../util/triehash" }
 semantic_version = { path = "../util/semantic_version" }
 unexpected = { path = "../util/unexpected" }
+journaldb = { path = "../util/journaldb" }
 
 [dev-dependencies]
 native-contracts = { path = "native_contracts", features = ["test_contracts"] }

ethcore/src/client/client.rs

@@ -26,7 +26,8 @@ use itertools::Itertools;
 use hash::keccak;
 use timer::PerfTimer;
 use bytes::Bytes;
-use util::{Address, journaldb, DBValue};
+use util::{Address, DBValue};
+use journaldb;
 use util_error::UtilError;
 use trie::{TrieSpec, TrieFactory, Trie};
 use kvdb::{KeyValueDB, DBTransaction};

ethcore/src/client/config.rs

@@ -20,7 +20,7 @@ use std::fmt::{Display, Formatter, Error as FmtError};
 
 use mode::Mode as IpcMode;
 use verification::{VerifierType, QueueConfig};
-use util::journaldb;
+use journaldb;
 use kvdb_rocksdb::CompactionProfile;
 
 pub use std::time::Duration;

ethcore/src/client/evm_test_client.rs

@@ -20,7 +20,7 @@ use std::fmt;
 use std::sync::Arc;
 use bigint::prelude::U256;
 use bigint::hash::H256;
-use util::journaldb;
+use journaldb;
 use {trie, kvdb_memorydb, bytes};
 use kvdb::{self, KeyValueDB};
 use {state, state_db, client, executive, trace, transaction, db, spec, pod_state};

ethcore/src/client/test_client.rs

@@ -26,7 +26,8 @@ use hash::keccak;
 use bigint::prelude::U256;
 use bigint::hash::H256;
 use parking_lot::RwLock;
-use util::*;
+use journaldb;
+use util::{Address, DBValue};
 use kvdb_rocksdb::{Database, DatabaseConfig};
 use bytes::Bytes;
 use rlp::*;

ethcore/src/lib.rs

@@ -131,6 +131,7 @@ extern crate vm;
 extern crate wasm;
 extern crate ethcore_util as util;
 extern crate memory_cache;
+extern crate journaldb;
 
 #[macro_use]
 extern crate macros;

ethcore/src/migrations/v10.rs

@@ -23,7 +23,7 @@ use trie::TrieDB;
 use views::HeaderView;
 use bloom_journal::Bloom;
 use migration::{Error, Migration, Progress, Batch, Config, ErrorKind};
-use util::journaldb;
+use journaldb;
 use bigint::hash::H256;
 use trie::Trie;
 use kvdb::{DBTransaction, ResultExt};

ethcore/src/snapshot/mod.rs

@@ -36,7 +36,7 @@ use util::{HashDB, DBValue};
 use snappy;
 use bytes::Bytes;
 use parking_lot::Mutex;
-use util::journaldb::{self, Algorithm, JournalDB};
+use journaldb::{self, Algorithm, JournalDB};
 use kvdb::KeyValueDB;
 use trie::{TrieDB, TrieDBMut, Trie, TrieMut};
 use rlp::{RlpStream, UntrustedRlp};

ethcore/src/snapshot/service.rs

@@ -39,7 +39,7 @@ use bigint::hash::H256;
 use parking_lot::{Mutex, RwLock, RwLockReadGuard};
 use util_error::UtilError;
 use bytes::Bytes;
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 use kvdb_rocksdb::{Database, DatabaseConfig};
 use snappy;
 
@@ -625,7 +625,7 @@ mod tests {
 	use io::{IoService};
 	use devtools::RandomTempPath;
 	use tests::helpers::get_test_spec;
-	use util::journaldb::Algorithm;
+	use journaldb::Algorithm;
 	use error::Error;
 	use snapshot::{ManifestData, RestorationStatus, SnapshotService};
 	use super::*;

ethcore/src/snapshot/tests/helpers.rs

@@ -35,7 +35,7 @@ use util::DBValue;
 use kvdb::KeyValueDB;
 use bigint::hash::H256;
 use hashdb::HashDB;
-use util::journaldb;
+use journaldb;
 use trie::{Alphabet, StandardMap, SecTrieDBMut, TrieMut, ValueMode};
 use trie::{TrieDB, TrieDBMut, Trie};
 

ethcore/src/snapshot/tests/service.rs

@@ -69,7 +69,7 @@ fn restored_is_equivalent() {
 		engine: spec.engine.clone(),
 		genesis_block: spec.genesis_block(),
 		db_config: db_config,
-		pruning: ::util::journaldb::Algorithm::Archive,
+		pruning: ::journaldb::Algorithm::Archive,
 		channel: IoChannel::disconnected(),
 		snapshot_root: path,
 		db_restore: client2.clone(),
@@ -112,7 +112,7 @@ fn guards_delete_folders() {
 		engine: spec.engine.clone(),
 		genesis_block: spec.genesis_block(),
 		db_config: DatabaseConfig::with_columns(::db::NUM_COLUMNS),
-		pruning: ::util::journaldb::Algorithm::Archive,
+		pruning: ::journaldb::Algorithm::Archive,
 		channel: IoChannel::disconnected(),
 		snapshot_root: path.clone(),
 		db_restore: Arc::new(NoopDBRestore),

ethcore/src/snapshot/tests/state.rs

@@ -26,7 +26,7 @@ use error::Error;
 
 use rand::{XorShiftRng, SeedableRng};
 use bigint::hash::H256;
-use util::journaldb::{self, Algorithm};
+use journaldb::{self, Algorithm};
 use kvdb_rocksdb::{Database, DatabaseConfig};
 use memorydb::MemoryDB;
 use parking_lot::Mutex;

ethcore/src/spec/spec.rs

@@ -670,7 +670,7 @@ impl Spec {
 	/// constructor.
 	pub fn genesis_epoch_data(&self) -> Result<Vec<u8>, String> {
 		use transaction::{Action, Transaction};
-		use util::journaldb;
+		use journaldb;
 		use kvdb_memorydb;
 
 		let genesis = self.genesis_header();

ethcore/src/state_db.rs

@@ -18,7 +18,7 @@ use std::collections::{VecDeque, HashSet};
 use std::sync::Arc;
 use lru_cache::LruCache;
 use memory_cache::MemoryLruCache;
-use util::journaldb::JournalDB;
+use journaldb::JournalDB;
 use kvdb::{KeyValueDB, DBTransaction};
 use bigint::hash::H256;
 use hashdb::HashDB;

ethcore/src/tests/helpers.rs

@@ -36,7 +36,6 @@ use state_db::StateDB;
 use state::*;
 use std::sync::Arc;
 use transaction::{Action, Transaction, SignedTransaction};
-use util::*;
 use views::BlockView;
 
 // TODO: move everything over to get_null_spec.
@@ -282,7 +281,7 @@ pub fn get_temp_state_with_factory(factory: EvmFactory) -> State<::state_db::Sta
 
 pub fn get_temp_state_db() -> StateDB {
 	let db = new_db();
-	let journal_db = journaldb::new(db, journaldb::Algorithm::EarlyMerge, ::db::COL_STATE);
+	let journal_db = ::journaldb::new(db, ::journaldb::Algorithm::EarlyMerge, ::db::COL_STATE);
 	StateDB::new(journal_db, 5 * 1024 * 1024)
 }
 

parity/dir.rs

@@ -17,7 +17,7 @@
 use std::fs;
 use std::path::{PathBuf, Path};
 use bigint::hash::{H64, H256};
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 use helpers::{replace_home, replace_home_and_local};
 use app_dirs::{AppInfo, get_app_root, AppDataType};
 

parity/helpers.rs

@@ -22,7 +22,7 @@ use bigint::prelude::U256;
 use bigint::hash::clean_0x;
 use util::Address;
 use kvdb_rocksdb::CompactionProfile;
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 use ethcore::client::{Mode, BlockId, VMType, DatabaseCompactionProfile, ClientConfig, VerifierType};
 use ethcore::miner::{PendingSet, GasLimit, PrioritizationStrategy};
 use cache::CacheConfig;

parity/main.rs

@@ -76,6 +76,7 @@ extern crate path;
 extern crate rpc_cli;
 extern crate node_filter;
 extern crate hash;
+extern crate journaldb;
 
 #[macro_use]
 extern crate log as rlog;

parity/migration.rs

@@ -20,7 +20,7 @@ use std::io::{Read, Write, Error as IoError, ErrorKind};
 use std::path::{Path, PathBuf};
 use std::fmt::{Display, Formatter, Error as FmtError};
 use std::sync::Arc;
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 use migr::{self, Manager as MigrationManager, Config as MigrationConfig, Migration};
 use kvdb;
 use kvdb_rocksdb::{CompactionProfile, Database, DatabaseConfig};
@@ -282,7 +282,6 @@ pub fn migrate(path: &Path, pruning: Algorithm, compaction_profile: CompactionPr
 mod legacy {
 	use super::*;
 	use std::path::{Path, PathBuf};
-	use util::journaldb::Algorithm;
 	use migr::{Manager as MigrationManager};
 	use kvdb_rocksdb::CompactionProfile;
 	use ethcore::migrations;

parity/params.rs

@@ -18,7 +18,7 @@ use std::{str, fs, fmt};
 use std::time::Duration;
 use bigint::prelude::U256;
 use util::{Address, version_data};
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 use ethcore::spec::{Spec, SpecParams};
 use ethcore::ethereum;
 use ethcore::client::Mode;
@@ -326,7 +326,7 @@ pub fn mode_switch_to_bool(switch: Option<Mode>, user_defaults: &UserDefaults) -
 
 #[cfg(test)]
 mod tests {
-	use util::journaldb::Algorithm;
+	use journaldb::Algorithm;
 	use user_defaults::UserDefaults;
 	use super::{SpecType, Pruning, ResealPolicy, Switch, tracing_switch_to_bool};
 

parity/run.rs

@@ -42,7 +42,7 @@ use ansi_term::Colour;
 use util::version;
 use parking_lot::{Condvar, Mutex};
 use node_filter::NodeFilter;
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 
 use params::{
 	SpecType, Pruning, AccountsConfig, GasPricerConfig, MinerExtras, Switch,

parity/upgrade.rs

@@ -25,7 +25,7 @@ use std::io::{Read, Write};
 use std::path::{PathBuf, Path};
 use dir::{DatabaseDirectories, default_data_path};
 use helpers::replace_home;
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 
 #[cfg_attr(feature="dev", allow(enum_variant_names))]
 #[derive(Debug)]

parity/user_defaults.rs

@@ -26,7 +26,7 @@ use serde::de::value::MapAccessDeserializer;
 use serde_json::Value;
 use serde_json::de::from_reader;
 use serde_json::ser::to_string;
-use util::journaldb::Algorithm;
+use journaldb::Algorithm;
 use ethcore::client::Mode;
 
 pub struct UserDefaults {

util/Cargo.toml

@@ -32,6 +32,7 @@ ethcore-bytes = { path = "bytes" }
 memorydb = { path = "memorydb" }
 util-error = { path = "error" }
 kvdb = { path = "kvdb" }
+journaldb = { path = "journaldb" }
 
 [dev-dependencies]
 kvdb-memorydb = { path = "kvdb-memorydb" }

util/journaldb/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "journaldb"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+description = "A `HashDB` which can manage a short-term journal potentially containing many forks of mutually exclusive actions"
+license = "GPL3"
+
+[dependencies]
+ethcore-bigint = { path = "../bigint", features = ["heapsizeof"] }
+ethcore-bytes = { path = "../bytes" }
+hashdb = { path = "../hashdb" }
+heapsize = "0.4"
+kvdb = { path = "../kvdb" }
+log = "0.3"
+memorydb = { path = "../memorydb" }
+parking_lot = "0.4"
+rlp = { path = "../rlp" }
+util-error = { path = "../error" }
+
+[dev-dependencies]
+ethcore-logger = { path = "../../logger" }
+hash = { path = "../hash" }
+kvdb-memorydb = { path = "../kvdb-memorydb" }

util/src/journaldb/archivedb.rs → util/journaldb/src/archivedb.rs

@@ -21,9 +21,9 @@ use std::collections::hash_map::Entry;
 use std::sync::Arc;
 use rlp::*;
 use hashdb::*;
-use super::super::memorydb::*;
+use super::memorydb::*;
 use super::{DB_PREFIX_LEN, LATEST_ERA_KEY};
-use super::traits::JournalDB;
+use traits::JournalDB;
 use kvdb::{KeyValueDB, DBTransaction};
 use bigint::hash::H256;
 use error::{BaseDataError, UtilError};
@@ -202,8 +202,7 @@ mod tests {
 	use keccak::keccak;
 	use hashdb::{HashDB, DBValue};
 	use super::*;
-	use journaldb::traits::JournalDB;
-	use kvdb_memorydb;
+	use {kvdb_memorydb, JournalDB};
 
 	#[test]
 	fn insert_same_in_fork() {

util/src/journaldb/mod.rs → util/journaldb/src/lib.rs

@@ -16,6 +16,26 @@
 
 //! `JournalDB` interface and implementation.
 
+extern crate heapsize;
+#[macro_use]
+extern crate log;
+
+extern crate ethcore_bigint as bigint;
+extern crate ethcore_bytes as bytes;
+extern crate hashdb;
+extern crate kvdb;
+extern crate memorydb;
+extern crate parking_lot;
+extern crate rlp;
+extern crate util_error as error;
+
+#[cfg(test)]
+extern crate ethcore_logger;
+#[cfg(test)]
+extern crate hash as keccak;
+#[cfg(test)]
+extern crate kvdb_memorydb;
+
 use std::{fmt, str};
 use std::sync::Arc;
 
@@ -26,6 +46,8 @@ mod earlymergedb;
 mod overlayrecentdb;
 mod refcounteddb;
 
+pub mod overlaydb;
+
 /// Export the `JournalDB` trait.
 pub use self::traits::JournalDB;