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Use constants for DatabaseConfig (#1318)

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Closes #1157
This commit is contained in:
Edward Wang 2016-06-18 10:58:28 -05:00 committed by Gav Wood
parent 81df97a737
commit 2b65011706
5 changed files with 17 additions and 19 deletions
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8
util/src/journaldb/archivedb.rs
View File

@ -20,6 +20,7 @@ use common::*;
use rlp::*;
use hashdb::*;
use memorydb::*;
use super::{DB_PREFIX_LEN, LATEST_ERA_KEY, VERSION_KEY};
use super::traits::JournalDB;
use kvdb::{Database, DBTransaction, DatabaseConfig};
#[cfg(test)]
@ -38,17 +39,14 @@ pub struct ArchiveDB {
latest_era: Option<u64>,
}
// all keys must be at least 12 bytes
const LATEST_ERA_KEY : [u8; 12] = [ b'l', b'a', b's', b't', 0, 0, 0, 0, 0, 0, 0, 0 ];
const VERSION_KEY : [u8; 12] = [ b'j', b'v', b'e', b'r', 0, 0, 0, 0, 0, 0, 0, 0 ];
const DB_VERSION : u32 = 0x103;
impl ArchiveDB {
/// Create a new instance from file
pub fn new(path: &str) -> ArchiveDB {
let opts = DatabaseConfig {
//use 12 bytes as prefix, this must match account_db prefix
prefix_size: Some(12),
// this must match account_db prefix
prefix_size: Some(DB_PREFIX_LEN),
max_open_files: 256,
};
let backing = Database::open(&opts, path).unwrap_or_else(|e| {

8
util/src/journaldb/earlymergedb.rs
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@ -20,6 +20,7 @@ use common::*;
use rlp::*;
use hashdb::*;
use memorydb::*;
use super::{DB_PREFIX_LEN, LATEST_ERA_KEY, VERSION_KEY};
use super::traits::JournalDB;
use kvdb::{Database, DBTransaction, DatabaseConfig};
#[cfg(test)]
@ -67,9 +68,6 @@ pub struct EarlyMergeDB {
latest_era: Option<u64>,
}
// all keys must be at least 12 bytes
const LATEST_ERA_KEY : [u8; 12] = [ b'l', b'a', b's', b't', 0, 0, 0, 0, 0, 0, 0, 0 ];
const VERSION_KEY : [u8; 12] = [ b'j', b'v', b'e', b'r', 0, 0, 0, 0, 0, 0, 0, 0 ];
const DB_VERSION : u32 = 0x003;
const PADDING : [u8; 10] = [ 0u8; 10 ];
@ -77,8 +75,8 @@ impl EarlyMergeDB {
/// Create a new instance from file
pub fn new(path: &str) -> EarlyMergeDB {
let opts = DatabaseConfig {
//use 12 bytes as prefix, this must match account_db prefix
prefix_size: Some(12),
// this must match account_db prefix
prefix_size: Some(DB_PREFIX_LEN),
max_open_files: 256,
};
let backing = Database::open(&opts, path).unwrap_or_else(|e| {

5
util/src/journaldb/mod.rs
View File

@ -79,3 +79,8 @@ pub fn new(path: &str, algorithm: Algorithm) -> Box<JournalDB> {
Algorithm::RefCounted => Box::new(refcounteddb::RefCountedDB::new(path)),
}
}
// all keys must be at least 12 bytes
const DB_PREFIX_LEN : usize = 12;
const LATEST_ERA_KEY : [u8; DB_PREFIX_LEN] = [ b'l', b'a', b's', b't', 0, 0, 0, 0, 0, 0, 0, 0 ];
const VERSION_KEY : [u8; DB_PREFIX_LEN] = [ b'j', b'v', b'e', b'r', 0, 0, 0, 0, 0, 0, 0, 0 ];

8
util/src/journaldb/overlayrecentdb.rs
View File

@ -20,6 +20,7 @@ use common::*;
use rlp::*;
use hashdb::*;
use memorydb::*;
use super::{DB_PREFIX_LEN, LATEST_ERA_KEY, VERSION_KEY};
use kvdb::{Database, DBTransaction, DatabaseConfig};
#[cfg(test)]
use std::env;
@ -92,9 +93,6 @@ impl Clone for OverlayRecentDB {
}
}
// all keys must be at least 12 bytes
const LATEST_ERA_KEY : [u8; 12] = [ b'l', b'a', b's', b't', 0, 0, 0, 0, 0, 0, 0, 0 ];
const VERSION_KEY : [u8; 12] = [ b'j', b'v', b'e', b'r', 0, 0, 0, 0, 0, 0, 0, 0 ];
const DB_VERSION : u32 = 0x203;
const PADDING : [u8; 10] = [ 0u8; 10 ];
@ -107,8 +105,8 @@ impl OverlayRecentDB {
/// Create a new instance from file
pub fn from_prefs(path: &str) -> OverlayRecentDB {
let opts = DatabaseConfig {
//use 12 bytes as prefix, this must match account_db prefix
prefix_size: Some(12),
// this must match account_db prefix
prefix_size: Some(DB_PREFIX_LEN),
max_open_files: 256,
};
let backing = Database::open(&opts, path).unwrap_or_else(|e| {

7
util/src/journaldb/refcounteddb.rs
View File

@ -20,6 +20,7 @@ use common::*;
use rlp::*;
use hashdb::*;
use overlaydb::*;
use super::{DB_PREFIX_LEN, LATEST_ERA_KEY, VERSION_KEY};
use super::traits::JournalDB;
use kvdb::{Database, DBTransaction, DatabaseConfig};
#[cfg(test)]
@ -40,8 +41,6 @@ pub struct RefCountedDB {
removes: Vec<H256>,
}
const LATEST_ERA_KEY : [u8; 12] = [ b'l', b'a', b's', b't', 0, 0, 0, 0, 0, 0, 0, 0 ];
const VERSION_KEY : [u8; 12] = [ b'j', b'v', b'e', b'r', 0, 0, 0, 0, 0, 0, 0, 0 ];
const DB_VERSION : u32 = 0x200;
const PADDING : [u8; 10] = [ 0u8; 10 ];
@ -49,8 +48,8 @@ impl RefCountedDB {
/// Create a new instance given a `backing` database.
pub fn new(path: &str) -> RefCountedDB {
let opts = DatabaseConfig {
//use 12 bytes as prefix, this must match account_db prefix
prefix_size: Some(12),
// this must match account_db prefix
prefix_size: Some(DB_PREFIX_LEN),
max_open_files: 256,
};
let backing = Database::open(&opts, path).unwrap_or_else(|e| {