2a3217d8d8
`Tempdir` is deprecated, but the functionality has been merged into another crate: `tempfile`. This commit removes all `tempdir` dependencies and replaces them with `tempfile` and the equivalent bindings. Fixes #11560
114 lines
3.2 KiB
Rust
114 lines
3.2 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of Open Ethereum.
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// Open Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Open Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Open Ethereum. If not, see <http://www.gnu.org/licenses/>.
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extern crate kvdb_rocksdb;
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extern crate migration_rocksdb;
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extern crate ethcore_blockchain;
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#[cfg(test)]
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extern crate tempfile;
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use std::{io, fs};
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use std::sync::Arc;
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use std::path::Path;
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use blooms_db;
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use ethcore_db::NUM_COLUMNS;
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use ethcore::client::{ClientConfig, DatabaseCompactionProfile};
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use kvdb::KeyValueDB;
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use self::ethcore_blockchain::{BlockChainDBHandler, BlockChainDB};
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use self::kvdb_rocksdb::{Database, DatabaseConfig};
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use cache::CacheConfig;
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mod blooms;
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mod migration;
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mod helpers;
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pub use self::migration::migrate;
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struct AppDB {
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key_value: Arc<dyn KeyValueDB>,
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blooms: blooms_db::Database,
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trace_blooms: blooms_db::Database,
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}
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impl BlockChainDB for AppDB {
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fn key_value(&self) -> &Arc<dyn KeyValueDB> {
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&self.key_value
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}
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fn blooms(&self) -> &blooms_db::Database {
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&self.blooms
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}
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fn trace_blooms(&self) -> &blooms_db::Database {
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&self.trace_blooms
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}
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}
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/// Create a restoration db handler using the config generated by `client_path` and `client_config`.
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pub fn restoration_db_handler(client_path: &Path, client_config: &ClientConfig) -> Box<dyn BlockChainDBHandler> {
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let client_db_config = helpers::client_db_config(client_path, client_config);
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struct RestorationDBHandler {
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config: DatabaseConfig,
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}
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impl BlockChainDBHandler for RestorationDBHandler {
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fn open(&self, db_path: &Path) -> io::Result<Arc<dyn BlockChainDB>> {
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open_database(&db_path.to_string_lossy(), &self.config)
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}
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}
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Box::new(RestorationDBHandler {
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config: client_db_config,
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})
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}
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/// Open a new light client DB.
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pub fn open_db_light(
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client_path: &str,
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cache_config: &CacheConfig,
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compaction: &DatabaseCompactionProfile
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) -> io::Result<Arc<dyn BlockChainDB>> {
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let path = Path::new(client_path);
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let db_config = DatabaseConfig {
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memory_budget: helpers::memory_per_column_light(cache_config.blockchain() as usize),
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compaction: helpers::compaction_profile(&compaction, path),
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.. DatabaseConfig::with_columns(NUM_COLUMNS)
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};
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open_database(client_path, &db_config)
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}
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pub fn open_database(client_path: &str, config: &DatabaseConfig) -> io::Result<Arc<dyn BlockChainDB>> {
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let path = Path::new(client_path);
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let blooms_path = path.join("blooms");
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let trace_blooms_path = path.join("trace_blooms");
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fs::create_dir_all(&blooms_path)?;
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fs::create_dir_all(&trace_blooms_path)?;
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let db = AppDB {
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key_value: Arc::new(Database::open(&config, client_path)?),
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blooms: blooms_db::Database::open(blooms_path)?,
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trace_blooms: blooms_db::Database::open(trace_blooms_path)?,
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};
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Ok(Arc::new(db))
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}
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