Add preset command to parity CLI

Preset configs are loaded from bundled toml files and overridden by
CLI options.

parity/cli/mod.rs

@@ -16,6 +16,7 @@
 
 #[macro_use]
 mod usage;
+mod presets;
 use dir;
 
 usage! {
@@ -42,12 +43,14 @@ usage! {
 		cmd_hash: bool,
 		cmd_kill: bool,
 		cmd_db: bool,
+		cmd_preset: bool,
 
 		// Arguments
 		arg_pid_file: String,
 		arg_file: Option<String>,
 		arg_path: Vec<String>,
 		arg_id: Option<usize>,
+		arg_preset: String,
 
 		// Flags
 		// -- Legacy Options

parity/cli/presets/config.poa.toml

@@ -1,146 +1,7 @@
 [parity]
-mode = "last"
+mode = "dark"
-mode_timeout = 300
+chain = "kovan"
-mode_alarm = 3600
-auto_update = "none"
-release_track = "current"
-public_node = false
-no_download = false
-no_consensus = false
-no_persistent_txqueue = false
-
-chain = "homestead"
-base_path = "$HOME/.parity"
-db_path = "$HOME/.parity/chains"
-keys_path = "$HOME/.parity/keys"
-identity = ""
-light = false
-
-[account]
-unlock = ["0xdeadbeefcafe0000000000000000000000000000"]
-password = ["~/.safe/password.file"]
-keys_iterations = 10240
-
-[ui]
-force = false
-disable = false
-port = 8180
-interface = "127.0.0.1"
-path = "$HOME/.parity/signer"
-
-[network]
-port = 30303
-min_peers = 25
-max_peers = 50
-nat = "any"
-id = 1
-bootnodes = []
-discovery = true
-warp = true
-allow_ips = "all"
-snapshot_peers = 0
-max_pending_peers = 64
-no_serve_light = false
-
-reserved_only = false
-reserved_peers = "./path_to_file"
-
-[rpc]
-disable = false
-port = 8545
-interface = "local"
-cors = "null"
-apis = ["web3", "eth", "net", "parity", "traces", "rpc", "secretstore"]
-hosts = ["none"]
-
-[websockets]
-disable = false
-port = 8546
-interface = "local"
-origins = ["none"]
-apis = ["web3", "eth", "net", "parity", "traces", "rpc", "secretstore"]
-hosts = ["none"]
-
-[ipc]
-disable = false
-path = "$HOME/.parity/jsonrpc.ipc"
-apis = ["web3", "eth", "net", "parity", "parity_accounts", "personal", "traces", "rpc", "secretstore"]
-
-[dapps]
-disable = false
-port = 8080
-interface = "local"
-hosts = ["none"]
-path = "$HOME/.parity/dapps"
-# authorization:
-user = "test_user"
-pass = "test_pass"
-
-[secretstore]
-disable = false
-nodes = []
-http_interface = "local"
-http_port = 8082
-interface = "local"
-port = 8083
-path = "$HOME/.parity/secretstore"
-
-[ipfs]
-enable = false
-port = 5001
-interface = "local"
-cors = "null"
-hosts = ["none"]
 
 [mining]
-author = "0xdeadbeefcafe0000000000000000000000000001"
-engine_signer = "0xdeadbeefcafe0000000000000000000000000001"
 force_sealing = true
-reseal_on_txs = "all"
+reseal_min_period = 2000
-reseal_min_period = 4000
-reseal_max_period = 60000
-work_queue_size = 20
-relay_set = "cheap"
-usd_per_tx = "0.0025"
-usd_per_eth = "auto"
-price_update_period = "hourly"
-gas_floor_target = "4700000"
-gas_cap = "6283184"
-tx_queue_size = 1024
-tx_queue_gas = "auto"
-tx_queue_strategy = "gas_factor"
-tx_queue_ban_count = 1
-tx_queue_ban_time = 180 #s
-tx_gas_limit = "6283184"
-tx_time_limit = 100 #ms
-extra_data = "Parity"
-remove_solved = false
-notify_work = ["http://localhost:3001"]
-refuse_service_transactions = false
-
-[footprint]
-tracing = "auto"
-pruning = "auto"
-pruning_history = 64
-pruning_memory = 500
-cache_size_db = 64
-cache_size_blocks = 8
-cache_size_queue = 50
-cache_size_state = 25
-cache_size = 128 # Overrides above caches with total size
-fast_and_loose = false
-db_compaction = "ssd"
-fat_db = "auto"
-scale_verifiers = true
-num_verifiers = 6
-
-[snapshots]
-disable_periodic = false
-
-[vm]
-jit = false
-
-[misc]
-logging = "own_tx=trace"
-log_file = "/var/log/parity.log"
-color = true

parity/cli/presets/config.pow.toml

@@ -1,146 +1,3 @@
 [parity]
-mode = "last"
+mode = "passive"
-mode_timeout = 300
+chain = "homestead"
-mode_alarm = 3600
-auto_update = "none"
-release_track = "current"
-public_node = false
-no_download = false
-no_consensus = false
-no_persistent_txqueue = false
-
-chain = "homestead"
-base_path = "$HOME/.parity"
-db_path = "$HOME/.parity/chains"
-keys_path = "$HOME/.parity/keys"
-identity = ""
-light = false
-
-[account]
-unlock = ["0xdeadbeefcafe0000000000000000000000000000"]
-password = ["~/.safe/password.file"]
-keys_iterations = 10240
-
-[ui]
-force = false
-disable = false
-port = 8180
-interface = "127.0.0.1"
-path = "$HOME/.parity/signer"
-
-[network]
-port = 30303
-min_peers = 25
-max_peers = 50
-nat = "any"
-id = 1
-bootnodes = []
-discovery = true
-warp = true
-allow_ips = "all"
-snapshot_peers = 0
-max_pending_peers = 64
-no_serve_light = false
-
-reserved_only = false
-reserved_peers = "./path_to_file"
-
-[rpc]
-disable = false
-port = 8545
-interface = "local"
-cors = "null"
-apis = ["web3", "eth", "net", "parity", "traces", "rpc", "secretstore"]
-hosts = ["none"]
-
-[websockets]
-disable = false
-port = 8546
-interface = "local"
-origins = ["none"]
-apis = ["web3", "eth", "net", "parity", "traces", "rpc", "secretstore"]
-hosts = ["none"]
-
-[ipc]
-disable = false
-path = "$HOME/.parity/jsonrpc.ipc"
-apis = ["web3", "eth", "net", "parity", "parity_accounts", "personal", "traces", "rpc", "secretstore"]
-
-[dapps]
-disable = false
-port = 8080
-interface = "local"
-hosts = ["none"]
-path = "$HOME/.parity/dapps"
-# authorization:
-user = "test_user"
-pass = "test_pass"
-
-[secretstore]
-disable = false
-nodes = []
-http_interface = "local"
-http_port = 8082
-interface = "local"
-port = 8083
-path = "$HOME/.parity/secretstore"
-
-[ipfs]
-enable = false
-port = 5001
-interface = "local"
-cors = "null"
-hosts = ["none"]
-
-[mining]
-author = "0xdeadbeefcafe0000000000000000000000000001"
-engine_signer = "0xdeadbeefcafe0000000000000000000000000001"
-force_sealing = true
-reseal_on_txs = "all"
-reseal_min_period = 4000
-reseal_max_period = 60000
-work_queue_size = 20
-relay_set = "cheap"
-usd_per_tx = "0.0025"
-usd_per_eth = "auto"
-price_update_period = "hourly"
-gas_floor_target = "4700000"
-gas_cap = "6283184"
-tx_queue_size = 1024
-tx_queue_gas = "auto"
-tx_queue_strategy = "gas_factor"
-tx_queue_ban_count = 1
-tx_queue_ban_time = 180 #s
-tx_gas_limit = "6283184"
-tx_time_limit = 100 #ms
-extra_data = "Parity"
-remove_solved = false
-notify_work = ["http://localhost:3001"]
-refuse_service_transactions = false
-
-[footprint]
-tracing = "auto"
-pruning = "auto"
-pruning_history = 64
-pruning_memory = 500
-cache_size_db = 64
-cache_size_blocks = 8
-cache_size_queue = 50
-cache_size_state = 25
-cache_size = 128 # Overrides above caches with total size
-fast_and_loose = false
-db_compaction = "ssd"
-fat_db = "auto"
-scale_verifiers = true
-num_verifiers = 6
-
-[snapshots]
-disable_periodic = false
-
-[vm]
-jit = false
-
-[misc]
-logging = "own_tx=trace"
-log_file = "/var/log/parity.log"
-color = true

parity/cli/presets/mod.rs

@@ -0,0 +1,23 @@
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity 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.
+
+// Parity 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 Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+pub fn preset_config_string(arg: &str) -> Result<&'static str, &str> {
+    match arg.to_lowercase().as_ref() {
+        "poa" => Ok(include_str!("./config.poa.toml")),
+        "pow" => Ok(include_str!("./config.pow.toml")),
+        _ => Err(arg.clone())
+    }
+}

parity/cli/usage.rs

@@ -61,6 +61,7 @@ macro_rules! usage {
 			Docopt(DocoptError),
 			Decode(toml::de::Error),
 			Config(String, io::Error),
+			Preset(String),
 		}
 
 		impl ArgsError {
@@ -77,6 +78,10 @@ macro_rules! usage {
 						println_stderr!("{}", e);
 						process::exit(2)
 					},
+					ArgsError::Preset(a) => {
+						println_stderr!("Invalid preset argument: {}", a);
+						process::exit(2)
+					}
 				}
 			}
 		}
@@ -149,22 +154,29 @@ macro_rules! usage {
 					return Ok(raw_args.into_args(Config::default()));
 				}
 
-				let config_file = raw_args.flag_config.clone().unwrap_or_else(|| raw_args.clone().into_args(Config::default()).flag_config);
+				let config = if raw_args.cmd_preset {
-				let config_file = replace_home(&::dir::default_data_path(), &config_file);
+					match presets::preset_config_string(&raw_args.arg_preset) {
-				let config = match (fs::File::open(&config_file), raw_args.flag_config.is_some()) {
+						Ok(s) => Self::parse_config(&s)?,
-					// Load config file
+						Err(e) => return Err(ArgsError::Preset(e.to_string()))
-					(Ok(mut file), _) => {
+					}
-						println_stderr!("Loading config file from {}", &config_file);
+				} else {
-						let mut config = String::new();
+					let config_file = raw_args.flag_config.clone().unwrap_or_else(|| raw_args.clone().into_args(Config::default()).flag_config);
-						file.read_to_string(&mut config).map_err(|e| ArgsError::Config(config_file, e))?;
+					let config_file = replace_home(&::dir::default_data_path(), &config_file);
-						Self::parse_config(&config)?
+					match (fs::File::open(&config_file), raw_args.flag_config.is_some()) {
-					},
+						// Load config file
-					// Don't display error in case default config cannot be loaded.
+						(Ok(mut file), _) => {
-					(Err(_), false) => Config::default(),
+							println_stderr!("Loading config file from {}", &config_file);
-					// Config set from CLI (fail with error)
+							let mut config = String::new();
-					(Err(e), true) => {
+							file.read_to_string(&mut config).map_err(|e| ArgsError::Config(config_file, e))?;
-						return Err(ArgsError::Config(config_file, e));
+							Self::parse_config(&config)?
-					},
+						},
+						// Don't display error in case default config cannot be loaded.
+						(Err(_), false) => Config::default(),
+						// Config set from CLI (fail with error)
+						(Err(e), true) => {
+							return Err(ArgsError::Config(config_file, e));
+						},
+					}
 				};
 
 				Ok(raw_args.into_args(config))

parity/cli/usage.txt

@@ -20,6 +20,7 @@ Usage:
   parity restore [ <file> ] [options]
   parity tools hash <file>
   parity db kill [options]
+  parity preset <preset> [options]
 
 Operating Options:
   --mode MODE                      Set the operating mode. MODE can be one of: