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/crypto.rs

@@ -0,0 +1,190 @@
+// 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, str};
+use serde::{Deserialize, Deserializer, Serialize, Serializer};
+use serde::ser::SerializeStruct;
+use serde::de::{Visitor, MapAccess, Error};
+use serde_json;
+use super::{Cipher, CipherSer, CipherSerParams, Kdf, KdfSer, KdfSerParams, H256, Bytes};
+
+pub type CipherText = Bytes;
+
+#[derive(Debug, PartialEq)]
+pub struct Crypto {
+	pub cipher: Cipher,
+	pub ciphertext: CipherText,
+	pub kdf: Kdf,
+	pub mac: H256,
+}
+
+impl str::FromStr for Crypto {
+	type Err = serde_json::error::Error;
+
+	fn from_str(s: &str) -> Result<Self, Self::Err> {
+		serde_json::from_str(s)
+	}
+}
+
+impl From<Crypto> for String {
+	fn from(c: Crypto) -> Self {
+		serde_json::to_string(&c).expect("serialization cannot fail, cause all crypto keys are strings")
+	}
+}
+
+enum CryptoField {
+	Cipher,
+	CipherParams,
+	CipherText,
+	Kdf,
+	KdfParams,
+	Mac,
+}
+
+impl<'a> Deserialize<'a> for CryptoField {
+	fn deserialize<D>(deserializer: D) -> Result<CryptoField, D::Error>
+		where D: Deserializer<'a>
+	{
+		deserializer.deserialize_any(CryptoFieldVisitor)
+	}
+}
+
+struct CryptoFieldVisitor;
+
+impl<'a> Visitor<'a> for CryptoFieldVisitor {
+	type Value = CryptoField;
+
+	fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+		write!(formatter, "a valid crypto struct description")
+	}
+
+	fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
+		where E: Error
+	{
+		match value {
+			"cipher" => Ok(CryptoField::Cipher),
+			"cipherparams" => Ok(CryptoField::CipherParams),
+			"ciphertext" => Ok(CryptoField::CipherText),
+			"kdf" => Ok(CryptoField::Kdf),
+			"kdfparams" => Ok(CryptoField::KdfParams),
+			"mac" => Ok(CryptoField::Mac),
+			_ => Err(Error::custom(format!("Unknown field: '{}'", value))),
+		}
+	}
+}
+
+impl<'a> Deserialize<'a> for Crypto {
+	fn deserialize<D>(deserializer: D) -> Result<Crypto, D::Error>
+		where D: Deserializer<'a>
+	{
+		static FIELDS: &'static [&'static str] = &["id", "version", "crypto", "Crypto", "address"];
+		deserializer.deserialize_struct("Crypto", FIELDS, CryptoVisitor)
+	}
+}
+
+struct CryptoVisitor;
+
+impl<'a> Visitor<'a> for CryptoVisitor {
+	type Value = Crypto;
+
+	fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+		write!(formatter, "a valid vault crypto object")
+	}
+
+	fn visit_map<V>(self, mut visitor: V) -> Result<Self::Value, V::Error>
+		where V: MapAccess<'a>
+	{
+		let mut cipher = None;
+		let mut cipherparams = None;
+		let mut ciphertext = None;
+		let mut kdf = None;
+		let mut kdfparams = None;
+		let mut mac = None;
+
+		loop {
+			match visitor.next_key()? {
+				Some(CryptoField::Cipher) => { cipher = Some(visitor.next_value()?); }
+				Some(CryptoField::CipherParams) => { cipherparams = Some(visitor.next_value()?); }
+				Some(CryptoField::CipherText) => { ciphertext = Some(visitor.next_value()?); }
+				Some(CryptoField::Kdf) => { kdf = Some(visitor.next_value()?); }
+				Some(CryptoField::KdfParams) => { kdfparams = Some(visitor.next_value()?); }
+				Some(CryptoField::Mac) => { mac = Some(visitor.next_value()?); }
+				None => { break; }
+			}
+		}
+
+		let cipher = match (cipher, cipherparams) {
+			(Some(CipherSer::Aes128Ctr), Some(CipherSerParams::Aes128Ctr(params))) => Cipher::Aes128Ctr(params),
+			(None, _) => return Err(V::Error::missing_field("cipher")),
+			(Some(_), None) => return Err(V::Error::missing_field("cipherparams")),
+		};
+
+		let ciphertext = match ciphertext {
+			Some(ciphertext) => ciphertext,
+			None => return Err(V::Error::missing_field("ciphertext")),
+		};
+
+		let kdf = match (kdf, kdfparams) {
+			(Some(KdfSer::Pbkdf2), Some(KdfSerParams::Pbkdf2(params))) => Kdf::Pbkdf2(params),
+			(Some(KdfSer::Scrypt), Some(KdfSerParams::Scrypt(params))) => Kdf::Scrypt(params),
+			(Some(_), Some(_)) => return Err(V::Error::custom("Invalid cipherparams")),
+			(None, _) => return Err(V::Error::missing_field("kdf")),
+			(Some(_), None) => return Err(V::Error::missing_field("kdfparams")),
+		};
+
+		let mac = match mac {
+			Some(mac) => mac,
+			None => return Err(V::Error::missing_field("mac")),
+		};
+
+		let result = Crypto {
+			cipher: cipher,
+			ciphertext: ciphertext,
+			kdf: kdf,
+			mac: mac,
+		};
+
+		Ok(result)
+	}
+}
+
+impl Serialize for Crypto {
+	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+		where S: Serializer
+	{
+		let mut crypto = serializer.serialize_struct("Crypto", 6)?;
+		match self.cipher {
+			Cipher::Aes128Ctr(ref params) => {
+				crypto.serialize_field("cipher", &CipherSer::Aes128Ctr)?;
+				crypto.serialize_field("cipherparams", params)?;
+			},
+		}
+		crypto.serialize_field("ciphertext", &self.ciphertext)?;
+		match self.kdf {
+			Kdf::Pbkdf2(ref params) => {
+				crypto.serialize_field("kdf", &KdfSer::Pbkdf2)?;
+				crypto.serialize_field("kdfparams", params)?;
+			},
+			Kdf::Scrypt(ref params) => {
+				crypto.serialize_field("kdf", &KdfSer::Scrypt)?;
+				crypto.serialize_field("kdfparams", params)?;
+			},
+		}
+
+		crypto.serialize_field("mac", &self.mac)?;
+		crypto.end()
+	}
+}