Files
pezkuwi-subxt/substrate/client/cli/src/params/database_params.rs
T
Arkadiy Paronyan b59c3297cc Storage chains part 1 (#7868)
* CLI options and DB upgrade

* Transaction storage

* Block pruning

* Block pruning test

* Style

* Naming

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Style

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
2021-01-14 18:55:41 +00:00

69 lines
2.1 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 2018-2021 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
use crate::arg_enums::Database;
use structopt::StructOpt;
use sc_service::TransactionStorageMode;
/// Parameters for block import.
#[derive(Debug, StructOpt)]
pub struct DatabaseParams {
/// Select database backend to use.
#[structopt(
long,
alias = "db",
value_name = "DB",
case_insensitive = true,
)]
pub database: Option<Database>,
/// Limit the memory the database cache can use.
#[structopt(long = "db-cache", value_name = "MiB")]
pub database_cache_size: Option<usize>,
/// Enable storage chain mode
///
/// This changes the storage format for blocks bodys.
/// If this is enabled, each transaction is stored separately in the
/// transaction database column and is only referenced by hash
/// in the block body column.
#[structopt(long)]
pub storage_chain: bool,
}
impl DatabaseParams {
/// Limit the memory the database cache can use.
pub fn database(&self) -> Option<Database> {
self.database
}
/// Limit the memory the database cache can use.
pub fn database_cache_size(&self) -> Option<usize> {
self.database_cache_size
}
/// Transaction storage scheme.
pub fn transaction_storage(&self) -> TransactionStorageMode {
if self.storage_chain {
TransactionStorageMode::StorageChain
} else {
TransactionStorageMode::BlockBody
}
}
}