Move a bunch of stuff around (#10101)

* Move devtools.

* Merge stop_guard & rename memzero

* Move price-info to miner.

* Group account management

* Clean up workspace members.

* Move local store closer to miner.

* Move clib examples.

* Move registrar and hash-fetch

* Move rpc_cli/rpc_client

* Move stratum closer to miner.

* Fix naming convention of crates.

* Update Cpp examples path.

* Fix paths for clib-example.

* Fix removing build.

accounts/ethstore/src/json/kdf.rs

@@ -0,0 +1,159 @@
+// Copyright 2015-2018 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/>.
+
+use std::fmt;
+use serde::{Serialize, Serializer, Deserialize, Deserializer};
+use serde::de::{Visitor, Error as SerdeError};
+use super::{Error, H256};
+
+#[derive(Debug, PartialEq)]
+pub enum KdfSer {
+	Pbkdf2,
+	Scrypt,
+}
+
+impl Serialize for KdfSer {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+	where S: Serializer {
+		match *self {
+			KdfSer::Pbkdf2 => serializer.serialize_str("pbkdf2"),
+			KdfSer::Scrypt => serializer.serialize_str("scrypt"),
+		}
+	}
+}
+
+impl<'a> Deserialize<'a> for KdfSer {
+	fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+	where D: Deserializer<'a> {
+		deserializer.deserialize_any(KdfSerVisitor)
+	}
+}
+
+struct KdfSerVisitor;
+
+impl<'a> Visitor<'a> for KdfSerVisitor {
+	type Value = KdfSer;
+
+	fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+		write!(formatter, "a kdf algorithm identifier")
+	}
+
+	fn visit_str<E>(self, value: &str) -> Result<Self::Value, E> where E: SerdeError {
+		match value {
+			"pbkdf2" => Ok(KdfSer::Pbkdf2),
+			"scrypt" => Ok(KdfSer::Scrypt),
+			_ => Err(SerdeError::custom(Error::UnsupportedKdf))
+		}
+	}
+
+	fn visit_string<E>(self, value: String) -> Result<Self::Value, E> where E: SerdeError {
+		self.visit_str(value.as_ref())
+	}
+}
+
+#[derive(Debug, PartialEq)]
+pub enum Prf {
+	HmacSha256,
+}
+
+impl Serialize for Prf {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+	where S: Serializer {
+		match *self {
+			Prf::HmacSha256 => serializer.serialize_str("hmac-sha256"),
+		}
+	}
+}
+
+impl<'a> Deserialize<'a> for Prf {
+	fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+	where D: Deserializer<'a> {
+		deserializer.deserialize_any(PrfVisitor)
+	}
+}
+
+struct PrfVisitor;
+
+impl<'a> Visitor<'a> for PrfVisitor {
+	type Value = Prf;
+
+	fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+		write!(formatter, "a prf algorithm identifier")
+	}
+
+	fn visit_str<E>(self, value: &str) -> Result<Self::Value, E> where E: SerdeError {
+		match value {
+			"hmac-sha256" => Ok(Prf::HmacSha256),
+			_ => Err(SerdeError::custom(Error::InvalidPrf)),
+		}
+	}
+
+	fn visit_string<E>(self, value: String) -> Result<Self::Value, E> where E: SerdeError {
+		self.visit_str(value.as_ref())
+	}
+}
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Pbkdf2 {
+	pub c: u32,
+	pub dklen: u32,
+	pub prf: Prf,
+	pub salt: H256,
+}
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+pub struct Scrypt {
+	pub dklen: u32,
+	pub p: u32,
+	pub n: u32,
+	pub r: u32,
+	pub salt: H256,
+}
+
+#[derive(Debug, PartialEq)]
+pub enum KdfSerParams {
+	Pbkdf2(Pbkdf2),
+	Scrypt(Scrypt),
+}
+
+impl Serialize for KdfSerParams {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+	where S: Serializer {
+		match *self {
+			KdfSerParams::Pbkdf2(ref params) => params.serialize(serializer),
+			KdfSerParams::Scrypt(ref params) => params.serialize(serializer),
+		}
+	}
+}
+
+impl<'a> Deserialize<'a> for KdfSerParams {
+	fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+	where D: Deserializer<'a> {
+		use serde_json::{Value, from_value};
+
+		let v: Value = Deserialize::deserialize(deserializer)?;
+
+		from_value(v.clone()).map(KdfSerParams::Pbkdf2)
+			.or_else(|_| from_value(v).map(KdfSerParams::Scrypt))
+			.map_err(|_| D::Error::custom("Invalid KDF algorithm"))
+	}
+}
+
+#[derive(Debug, PartialEq)]
+pub enum Kdf {
+	Pbkdf2(Pbkdf2),
+	Scrypt(Scrypt),
+}