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/hash.rs

@@ -0,0 +1,119 @@
+// 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::{ops, fmt, str};
+use rustc_hex::{FromHex, ToHex};
+use serde::{Serialize, Serializer, Deserialize, Deserializer};
+use serde::de::{Visitor, Error as SerdeError};
+use super::Error;
+
+macro_rules! impl_hash {
+	($name: ident, $size: expr) => {
+		pub struct $name([u8; $size]);
+
+		impl fmt::Debug for $name {
+			fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+				let self_ref: &[u8] = &self.0;
+				write!(f, "{:?}", self_ref)
+			}
+		}
+
+		impl PartialEq for $name {
+			fn eq(&self, other: &Self) -> bool {
+				let self_ref: &[u8] = &self.0;
+				let other_ref: &[u8] = &other.0;
+				self_ref == other_ref
+			}
+		}
+
+		impl ops::Deref for $name {
+			type Target = [u8];
+
+			fn deref(&self) -> &Self::Target {
+				&self.0
+			}
+		}
+
+		impl Serialize for $name {
+			fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+			where S: Serializer {
+				serializer.serialize_str(&self.0.to_hex())
+			}
+		}
+
+		impl<'a> Deserialize<'a> for $name {
+			fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+			where D: Deserializer<'a> {
+				struct HashVisitor;
+
+				impl<'b> Visitor<'b> for HashVisitor {
+					type Value = $name;
+
+					fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+						write!(formatter, "a hex-encoded {}", stringify!($name))
+					}
+
+					fn visit_str<E>(self, value: &str) -> Result<Self::Value, E> where E: SerdeError {
+						value.parse().map_err(SerdeError::custom)
+					}
+
+					fn visit_string<E>(self, value: String) -> Result<Self::Value, E> where E: SerdeError {
+						self.visit_str(value.as_ref())
+					}
+				}
+
+				deserializer.deserialize_any(HashVisitor)
+			}
+		}
+
+		impl str::FromStr for $name {
+			type Err = Error;
+
+			fn from_str(value: &str) -> Result<Self, Self::Err> {
+				match value.from_hex() {
+					Ok(ref hex) if hex.len() == $size => {
+						let mut hash = [0u8; $size];
+						hash.clone_from_slice(hex);
+						Ok($name(hash))
+					}
+					_ => Err(Error::InvalidH256),
+				}
+			}
+		}
+
+		impl From<&'static str> for $name {
+			fn from(s: &'static str) -> Self {
+				s.parse().expect(&format!("invalid string literal for {}: '{}'", stringify!($name), s))
+			}
+		}
+
+		impl From<[u8; $size]> for $name {
+			fn from(bytes: [u8; $size]) -> Self {
+				$name(bytes)
+			}
+		}
+
+		impl Into<[u8; $size]> for $name {
+			fn into(self) -> [u8; $size] {
+				self.0
+			}
+		}
+	}
+}
+
+impl_hash!(H128, 16);
+impl_hash!(H160, 20);
+impl_hash!(H256, 32);