Merge pull request #423 from ethcore/secret-store

Secret store (part1 - key management)

ethcore/src/error.rs

@@ -20,59 +20,39 @@ use util::*;
 use header::BlockNumber;
 use basic_types::LogBloom;
 
-#[derive(Debug, PartialEq, Eq)]
-/// Error indicating an expected value was not found.
-pub struct Mismatch<T: fmt::Debug> {
-	/// Value expected.
-	pub expected: T,
-	/// Value found.
-	pub found: T,
-}
-
-#[derive(Debug, PartialEq, Eq)]
-/// Error indicating value found is outside of a valid range.
-pub struct OutOfBounds<T: fmt::Debug> {
-	/// Minimum allowed value.
-	pub min: Option<T>,
-	/// Maximum allowed value.
-	pub max: Option<T>,
-	/// Value found.
-	pub found: T,
-}
-
 /// Result of executing the transaction.
 #[derive(PartialEq, Debug)]
 pub enum ExecutionError {
 	/// Returned when there gas paid for transaction execution is
 	/// lower than base gas required.
-	NotEnoughBaseGas { 
+	NotEnoughBaseGas {
 		/// Absolute minimum gas required.
-		required: U256, 
+		required: U256,
 		/// Gas provided.
 		got: U256
 	},
 	/// Returned when block (gas_used + gas) > gas_limit.
-	/// 
+	///
 	/// If gas =< gas_limit, upstream may try to execute the transaction
 	/// in next block.
-	BlockGasLimitReached { 
+	BlockGasLimitReached {
 		/// Gas limit of block for transaction.
 		gas_limit: U256,
 		/// Gas used in block prior to transaction.
 		gas_used: U256,
 		/// Amount of gas in block.
-		gas: U256 
+		gas: U256
 	},
 	/// Returned when transaction nonce does not match state nonce.
-	InvalidNonce { 
+	InvalidNonce {
 		/// Nonce expected.
 		expected: U256,
 		/// Nonce found.
 		got: U256
 	},
-	/// Returned when cost of transaction (value + gas_price * gas) exceeds 
+	/// Returned when cost of transaction (value + gas_price * gas) exceeds
 	/// current sender balance.
-	NotEnoughCash { 
+	NotEnoughCash {
 		/// Minimum required balance.
 		required: U512,
 		/// Actual balance.

util/src/error.rs

@@ -20,6 +20,7 @@ use rustc_serialize::hex::FromHexError;
 use network::NetworkError;
 use rlp::DecoderError;
 use io;
+use std::fmt;
 
 #[derive(Debug)]
 /// Error in database subsystem.
@@ -55,6 +56,27 @@ pub enum UtilError {
 	BadSize,
 }
 
+
+#[derive(Debug, PartialEq, Eq)]
+/// Error indicating an expected value was not found.
+pub struct Mismatch<T: fmt::Debug> {
+	/// Value expected.
+	pub expected: T,
+	/// Value found.
+	pub found: T,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+/// Error indicating value found is outside of a valid range.
+pub struct OutOfBounds<T: fmt::Debug> {
+	/// Minimum allowed value.
+	pub min: Option<T>,
+	/// Maximum allowed value.
+	pub max: Option<T>,
+	/// Value found.
+	pub found: T,
+}
+
 impl From<FromHexError> for UtilError {
 	fn from(err: FromHexError) -> UtilError {
 		UtilError::FromHex(err)

util/src/keys/mod.rs

@@ -0,0 +1,19 @@
+// Copyright 2015, 2016 Ethcore (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/>.
+
+//! Key management module
+
+pub mod directory;

util/src/lib.rs

@@ -141,6 +141,7 @@ pub mod io;
 pub mod network;
 pub mod log;
 pub mod panics;
+pub mod keys;
 
 pub use common::*;
 pub use misc::*;
@@ -161,3 +162,6 @@ pub use semantic_version::*;
 pub use network::*;
 pub use io::*;
 pub use log::*;
+
+#[cfg(test)]
+mod tests;

util/src/tests/helpers.rs

@@ -0,0 +1,31 @@
+use common::*;
+use std::path::PathBuf;
+use std::fs::{remove_dir_all};
+use std::env;
+
+pub struct RandomTempPath {
+	path: PathBuf
+}
+
+impl RandomTempPath {
+	pub fn create_dir() -> RandomTempPath {
+		let mut dir = env::temp_dir();
+		dir.push(H32::random().hex());
+		fs::create_dir_all(dir.as_path()).unwrap();
+		RandomTempPath {
+			path: dir.clone()
+		}
+	}
+
+	pub fn as_path(&self) -> &PathBuf {
+		&self.path
+	}
+}
+
+impl Drop for RandomTempPath {
+	fn drop(&mut self) {
+		if let Err(e) = remove_dir_all(self.as_path()) {
+			panic!("failed to remove temp directory, probably something failed to destroyed ({})", e);
+		}
+	}
+}

util/src/tests/mod.rs

@@ -0,0 +1 @@
+pub mod helpers;