cli overhaul (#1600)

* cli commands

* cleanup parity/signer

* cleanup parity/signer

* remove redundant import of signer crate from main.rs

* cli cleanup in progress

* cli cleanup in progress

* moved few commonly used functions to separate methods with tests

* cleaning up blockchain import in progress

* cleaning up blockchain import in progress2

* cleaning up blockchain import in progress3

* tests for database compaction profile parsing

* cleaning up blockchain import in progress4

* cleaning up blockchain import in progress5

* blockchain import

* export blockchain in progress

* cleanup execute_export

* Configuration::to_duration cleaned up

* removed unused code, tests for to_duration

* cleanup Configuration::mode function

* parsing some of the cli params in params.rs

* rpc and signer are no longer optional

* move importing extern crates to main.rs file

* swipe dies from rpc module

* swipe dies from dapps

* finding deprecated

* several tests and fixes for parity

* parity cleanup in progress

* cleanup price parsing

* parity cleanup in progress

* swiped all dies

* parity cleanup in progress

* replace usages of from_str with parse() in parity/params.rs

* removed few more from_str

* split parity/params.rs into params and helpers

* removed wildcard import from configuration.rs

* cleanup directories/path creation

* cleaning up run cmd

* moved LoggerConfig

* defaults for cli params

* fixed indention in raise_fd_limit

* tests for rpc_apis

* tests for default ipc and rpc settings

* ipc socket

* cleanup in progress

* account service

* cleanup miner config

* BlockChain commands use Directiores structure now

* client_config

* network settings and dapps configuration

* removing warnings

* default logger config

* fixed client_path

* overhaul

* fixing export && import

* default export DataFormat

* import and export also upgrade db

* fixed export && import

* polishing pr

* polishing pr

* fixed custom bootnodes

* fixed daemonize on windows

* fixed setting up enable network

* finished pr

* fixed compiling on windows

* Fixed warning; windows build

* Better cache management

* Fixed tests on windows

* Fixed test

* Restored pruning method names

* --cache alias

* Fixed more tests

* Ensure default options actually listed as valid

[ci:skip]

ethcore/src/client/config.rs

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
+use std::str::FromStr;
 pub use std::time::Duration;
 pub use block_queue::BlockQueueConfig;
 pub use blockchain::Config as BlockChainConfig;
@@ -33,7 +34,21 @@ pub enum DatabaseCompactionProfile {
 }
 
 impl Default for DatabaseCompactionProfile {
-	fn default() -> Self { DatabaseCompactionProfile::Default }
+	fn default() -> Self {
+		DatabaseCompactionProfile::Default
+	}
+}
+
+impl FromStr for DatabaseCompactionProfile {
+	type Err = String;
+
+	fn from_str(s: &str) -> Result<Self, Self::Err> {
+		match s {
+			"ssd" | "default" => Ok(DatabaseCompactionProfile::Default),
+			"hdd" => Ok(DatabaseCompactionProfile::HDD),
+			_ => Err(format!("Invalid compaction profile given. Expected hdd/ssd (default).")),
+		}
+	}
 }
 
 /// Operating mode for the client.
@@ -50,11 +65,13 @@ pub enum Mode {
 }
 
 impl Default for Mode {
-	fn default() -> Self { Mode::Active }
+	fn default() -> Self {
+		Mode::Active
+	}
 }
 
 /// Client configuration. Includes configs for all sub-systems.
-#[derive(Debug, Default)]
+#[derive(Debug, PartialEq, Default)]
 pub struct ClientConfig {
 	/// Block queue configuration.
 	pub queue: BlockQueueConfig,
@@ -79,3 +96,25 @@ pub struct ClientConfig {
 	/// Type of block verifier used by client.
 	pub verifier_type: VerifierType,
 }
+
+#[cfg(test)]
+mod test {
+	use super::{DatabaseCompactionProfile, Mode};
+
+	#[test]
+	fn test_default_compaction_profile() {
+		assert_eq!(DatabaseCompactionProfile::default(), DatabaseCompactionProfile::Default);
+	}
+
+	#[test]
+	fn test_parsing_compaction_profile() {
+		assert_eq!(DatabaseCompactionProfile::Default, "ssd".parse().unwrap());
+		assert_eq!(DatabaseCompactionProfile::Default, "default".parse().unwrap());
+		assert_eq!(DatabaseCompactionProfile::HDD, "hdd".parse().unwrap());
+	}
+
+	#[test]
+	fn test_mode_default() {
+		assert_eq!(Mode::default(), Mode::Active);
+	}
+}