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Make RocksDB optional in client-db (#2686)

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This commit is contained in:
Pierre Krieger
2019-05-28 15:12:55 +02:00
committed by André Silva
parent 902c9d03f2
commit 3a0c52f2b1
5 changed files with 32 additions and 10 deletions
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substrate/core/client/db/src/lib.rs
+13 -2
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@@ -54,7 +54,7 @@ use runtime_primitives::BuildStorage;
use state_machine::backend::Backend as StateBackend;
use executor::RuntimeInfo;
use state_machine::{CodeExecutor, DBValue};
use crate::utils::{Meta, db_err, meta_keys, open_database, read_db, block_id_to_lookup_key, read_meta};
use crate::utils::{Meta, db_err, meta_keys, read_db, block_id_to_lookup_key, read_meta};
use client::leaves::{LeafSet, FinalizationDisplaced};
use client::children;
use state_db::StateDb;
@@ -572,8 +572,19 @@ impl<Block: BlockT<Hash=H256>> Backend<Block> {
///
/// The pruning window is how old a block must be before the state is pruned.
pub fn new(config: DatabaseSettings, canonicalization_delay: u64) -> Result<Self, client::error::Error> {
let db = open_database(&config, columns::META, "full")?;
Self::new_inner(config, canonicalization_delay)
}
#[cfg(feature = "kvdb-rocksdb")]
fn new_inner(config: DatabaseSettings, canonicalization_delay: u64) -> Result<Self, client::error::Error> {
let db = crate::utils::open_database(&config, columns::META, "full")?;
Backend::from_kvdb(db as Arc<_>, config.pruning, canonicalization_delay, config.state_cache_size)
}
#[cfg(not(feature = "kvdb-rocksdb"))]
fn new_inner(config: DatabaseSettings, canonicalization_delay: u64) -> Result<Self, client::error::Error> {
log::warn!("Running without the RocksDB feature. The database will NOT be saved.");
let db = Arc::new(kvdb_memorydb::create(crate::utils::NUM_COLUMNS));
Backend::from_kvdb(db as Arc<_>, config.pruning, canonicalization_delay, config.state_cache_size)
}