Make updater an IPC module.

Cargo.lock

@@ -594,7 +594,6 @@ dependencies = [
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha3 0.1.0",
  "table 0.1.0",
  "target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -829,6 +828,17 @@ dependencies = [
  "xmltree 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ipc-common-types"
+version = "1.5.0"
+dependencies = [
+ "ethcore-ipc 1.5.0",
+ "ethcore-ipc-codegen 1.5.0",
+ "ethcore-util 1.5.0",
+ "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "semver 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "isatty"
 version = "0.1.1"
@@ -1305,7 +1315,10 @@ version = "1.5.0"
 dependencies = [
  "ethabi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ethcore 1.5.0",
+ "ethcore-ipc 1.5.0",
+ "ethcore-ipc-codegen 1.5.0",
  "ethcore-util 1.5.0",
+ "ipc-common-types 1.5.0",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-hash-fetch 1.5.0",
 ]

ipc-common-types/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+description = "Types that implement IPC and are common to multiple modules."
+name = "ipc-common-types"
+version = "1.5.0"
+license = "GPL-3.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+build = "build.rs"
+
+[build-dependencies]
+ethcore-ipc-codegen = { path = "../ipc/codegen" }
+
+[dependencies]
+log = "0.3"
+semver = "0.5"
+ethcore-ipc = { path = "../ipc/rpc" }
+ethcore-util = { path = "../util" }
+
+[profile.release]
+debug = true
+lto = false

ipc-common-types/build.rs

@@ -0,0 +1,21 @@
+// Copyright 2015, 2016 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/>.
+
+extern crate ethcore_ipc_codegen;
+
+fn main() {
+	ethcore_ipc_codegen::derive_binary("src/types/mod.rs.in").unwrap();
+}

ipc-common-types/src/lib.rs

@@ -0,0 +1,26 @@
+// Copyright 2015, 2016 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/>.
+
+//! Updater for Parity executables
+
+#[macro_use] extern crate log;
+extern crate semver;
+extern crate ethcore_util as util;
+extern crate ethcore_ipc as ipc;
+
+mod types;
+
+pub use types::*;

ipc-common-types/src/types/mod.rs

@@ -0,0 +1,21 @@
+// Copyright 2015, 2016 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/>.
+
+//! Types used in the public api
+
+#![allow(dead_code, unused_assignments, unused_variables)] // codegen issues
+include!(concat!(env!("OUT_DIR"), "/mod.rs.in"));
+

ipc-common-types/src/types/mod.rs.in

@@ -0,0 +1,21 @@
+// Copyright 2015, 2016 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/>.
+
+pub mod release_track;
+pub mod version_info;
+
+pub use release_track::{ReleaseTrack};
+pub use version_info::{VersionInfo};

ipc-common-types/src/types/release_track.rs

@@ -0,0 +1,76 @@
+// Copyright 2015, 2016 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/>.
+
+//! Types used in the public API
+
+use std::fmt;
+
+/// A release's track.
+#[derive(PartialEq, Eq, Clone, Copy, Debug, Binary)]
+pub enum ReleaseTrack {
+	/// Stable track.
+	Stable,
+	/// Beta track.
+	Beta,
+	/// Nightly track.
+	Nightly,
+	/// No known track.
+	Unknown,
+}
+
+impl fmt::Display for ReleaseTrack {
+	fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+		write!(f, "{}", match *self {
+			ReleaseTrack::Stable => "stable", 
+			ReleaseTrack::Beta => "beta", 
+			ReleaseTrack::Nightly => "nightly", 
+			ReleaseTrack::Unknown => "unknown", 
+		})
+	}
+}
+
+impl<'a> From<&'a str> for ReleaseTrack {
+	fn from(s: &'a str) -> Self {
+		match s {
+			"stable" => ReleaseTrack::Stable, 
+			"beta" => ReleaseTrack::Beta, 
+			"nightly" => ReleaseTrack::Nightly, 
+			_ => ReleaseTrack::Unknown, 
+		}		
+	}
+}
+
+impl From<u8> for ReleaseTrack {
+	fn from(i: u8) -> Self {
+		match i {
+			1 => ReleaseTrack::Stable, 
+			2 => ReleaseTrack::Beta, 
+			3 => ReleaseTrack::Nightly, 
+			_ => ReleaseTrack::Unknown, 
+		}		
+	}
+}
+
+impl Into<u8> for ReleaseTrack {
+	fn into(self) -> u8 {
+		match self {
+			ReleaseTrack::Stable => 1, 
+			ReleaseTrack::Beta => 2, 
+			ReleaseTrack::Nightly => 3, 
+			ReleaseTrack::Unknown => 0, 
+		}		
+	}
+}

ipc-common-types/src/types/version_info.rs

@@ -0,0 +1,68 @@
+// Copyright 2015, 2016 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/>.
+
+//! Types used in the public API
+
+use std::fmt;
+use semver::{Version};
+use util::{H160};
+use util::misc::raw_package_info;
+use release_track::ReleaseTrack;
+
+/// Version information of a particular release. 
+#[derive(Debug, Clone, PartialEq, Binary)]
+pub struct VersionInfo {
+	/// The track on which it was released.
+	pub track: ReleaseTrack,
+	/// The version.
+	pub version: Version,
+	/// The (SHA1?) 160-bit hash of this build's code base.
+	pub hash: H160,
+}
+
+impl fmt::Display for VersionInfo {
+	fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+		write!(f, "{}.{}.{}-{}-{}", self.version.major, self.version.minor, self.version.patch, self.track, self.hash)
+	}
+}
+
+impl VersionInfo {
+	/// Get information for this (currently running) binary.
+	pub fn this() -> Self {
+		let raw = raw_package_info();
+		VersionInfo {
+			track: raw.0.into(),
+			version: { let mut v = Version::parse(raw.1).expect("Environment variables are known to be valid; qed"); v.build = vec![]; v.pre = vec![]; v },
+			hash: raw.2.into(),
+		}
+	}
+
+	/// Compose the information from the provided raw fields.
+	pub fn from_raw(semver: u32, track: u8, hash: H160) -> Self {
+		let t = track.into();
+		VersionInfo {
+			version: Version {
+				major: (semver >> 16) as u64,
+				minor: ((semver >> 8) & 0xff) as u64,
+				patch: (semver & 0xff) as u64,
+				build: vec![],
+				pre: vec![],
+			},
+			track: t,
+			hash: hash,
+		}
+	}
+}

ipc/codegen/src/serialization.rs

@@ -286,7 +286,6 @@ fn binary_expr_struct(
 				post_write_stmts.push(quote_stmt!(cx,
 						if $range_ident.end - $range_ident.start > 0 {
 							if let Err(e) = $member_expr .to_bytes(&mut buffer[$range_ident], length_stack) {
-								warn!(target: "ipc", $error_message_literal);
 								return Err(e)
 							};
 						}

ipc/rpc/src/binary.rs

@@ -804,6 +804,17 @@ binary_fixed_size!(H512);
 binary_fixed_size!(H2048);
 binary_fixed_size!(Address);
 binary_fixed_size!(BinHandshake);
+binary_fixed_size!(BinVersion);
+
+impl BinaryConvertable for ::semver::Version {
+	fn from_bytes(bytes: &[u8], length_stack: &mut ::std::collections::VecDeque<usize>) -> Result<Self, BinaryConvertError> {
+		BinVersion::from_bytes(bytes, length_stack).map(BinVersion::to_semver)
+	}
+
+	fn to_bytes(&self, buffer: &mut [u8], length_stack: &mut ::std::collections::VecDeque<usize>) -> Result<(), BinaryConvertError> {
+		BinVersion::from(self.clone()).to_bytes(buffer, length_stack)
+	}
+}
 
 #[test]
 fn vec_serialize() {

ipc/rpc/src/lib.rs

@@ -24,4 +24,4 @@ extern crate ethcore_util as util;
 pub mod interface;
 pub mod binary;
 pub use interface::{IpcInterface, IpcSocket, invoke, IpcConfig, Handshake, Error, WithSocket};
-pub use binary::{BinaryConvertable, BinaryConvertError, BinHandshake};
+pub use binary::{BinaryConvertable, BinaryConvertError, BinVersion, BinHandshake};

updater/Cargo.toml

@@ -4,6 +4,10 @@ name = "parity-updater"
 version = "1.5.0"
 license = "GPL-3.0"
 authors = ["Parity Technologies <admin@parity.io>"]
+build = "build.rs"
+
+[build-dependencies]
+ethcore-ipc-codegen = { path = "../ipc/codegen" }
 
 [dependencies]
 log = "0.3"
@@ -11,6 +15,8 @@ ethabi = "0.2.2"
 ethcore = { path = "../ethcore" }
 ethcore-util = { path = "../util" }
 parity-hash-fetch = { path = "../hash-fetch" }
+ipc-common-types = { path = "../ipc-common-types" }
+ethcore-ipc = { path = "../ipc/rpc" }
 
 [profile.release]
 debug = true

updater/build.rs

@@ -0,0 +1,22 @@
+// Copyright 2015, 2016 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/>.
+
+extern crate ethcore_ipc_codegen;
+
+fn main() {
+	ethcore_ipc_codegen::derive_binary("src/types/mod.rs.in").unwrap();
+	ethcore_ipc_codegen::derive_ipc_cond("src/service.rs", cfg!(feature="ipc")).unwrap();
+}

updater/src/lib.rs

@@ -18,13 +18,21 @@
 
 #[macro_use] extern crate log;
 extern crate ethcore_util as util;
+extern crate ipc_common_types;
 extern crate parity_hash_fetch as hash_fetch;
 extern crate ethcore;
 extern crate ethabi;
+extern crate ethcore_ipc as ipc;
 
 mod updater;
 mod operations;
-mod service;
+mod types;
 
-pub use service::{Service, ReleaseInfo, OperationsInfo, CapState};
+mod service {
+	#![allow(dead_code, unused_assignments, unused_variables, missing_docs)] // codegen issues
+	include!(concat!(env!("OUT_DIR"), "/service.rs"));
+}
+
+pub use service::{Service};
+pub use types::all::{ReleaseInfo, OperationsInfo, CapState, VersionInfo, ReleaseTrack};
 pub use updater::{Updater, UpdateFilter, UpdatePolicy};

updater/src/service.rs

@@ -14,54 +14,10 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-use util::{H256};
+use types::all::{CapState, ReleaseInfo, OperationsInfo};
-use util::misc::{VersionInfo};
+use ipc_common_types::VersionInfo;
-
-/// Information regarding a particular release of Parity
-#[derive(Debug, Clone, PartialEq)]
-pub struct ReleaseInfo {
-	/// Information on the version.
-	pub version: VersionInfo,
-	/// Does this release contain critical security updates? 
-	pub is_critical: bool,
-	/// The latest fork that this release can handle.
-	pub fork: u64,
-	/// Our platform's binary, if known. 
-	pub binary: Option<H256>,
-}
-
-/// Information on our operations environment.
-#[derive(Debug, Clone, PartialEq)]
-pub struct OperationsInfo {
-	/// Our blockchain's latest fork.
-	pub fork: u64,
-
-	/// Last fork our client supports, if known. 
-	pub this_fork: Option<u64>,
-
-	/// Information on our track's latest release. 
-	pub track: ReleaseInfo,
-	/// Information on our minor version's latest release.
-	pub minor: Option<ReleaseInfo>,
-}
-
-/// Information on the current version's consensus capabililty.
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub enum CapState {
-	/// Unknown.
-	Unknown,
-	/// Capable of consensus indefinitely.
-	Capable,
-	/// Capable of consensus up until a definite block. 
-	CapableUntil(u64),
-	/// Incapable of consensus since a particular block. 
-	IncapableSince(u64),
-}
-
-impl Default for CapState {
-	fn default() -> Self { CapState::Unknown }
-}
 
+#[ipc(client_ident="RemoteUpdater")]
 pub trait Service: Send + Sync {
 	/// Is the currently running client capable of supporting the current chain?
 	/// We default to true if there's no clear information.

updater/src/types/all.rs

@@ -0,0 +1,65 @@
+// Copyright 2015, 2016 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/>.
+
+//! Types used in the public API
+
+use util::{H256};
+pub use ipc_common_types::{VersionInfo, ReleaseTrack};
+
+/// Information regarding a particular release of Parity
+#[derive(Debug, Clone, PartialEq, Binary)]
+pub struct ReleaseInfo {
+	/// Information on the version.
+	pub version: VersionInfo,
+	/// Does this release contain critical security updates? 
+	pub is_critical: bool,
+	/// The latest fork that this release can handle.
+	pub fork: u64,
+	/// Our platform's binary, if known. 
+	pub binary: Option<H256>,
+}
+
+/// Information on our operations environment.
+#[derive(Debug, Clone, PartialEq, Binary)]
+pub struct OperationsInfo {
+	/// Our blockchain's latest fork.
+	pub fork: u64,
+
+	/// Last fork our client supports, if known. 
+	pub this_fork: Option<u64>,
+
+	/// Information on our track's latest release. 
+	pub track: ReleaseInfo,
+	/// Information on our minor version's latest release.
+	pub minor: Option<ReleaseInfo>,
+}
+
+/// Information on the current version's consensus capabililty.
+#[derive(Debug, Clone, Copy, PartialEq, Binary)]
+pub enum CapState {
+	/// Unknown.
+	Unknown,
+	/// Capable of consensus indefinitely.
+	Capable,
+	/// Capable of consensus up until a definite block. 
+	CapableUntil(u64),
+	/// Incapable of consensus since a particular block. 
+	IncapableSince(u64),
+}
+
+impl Default for CapState {
+	fn default() -> Self { CapState::Unknown }
+}

updater/src/types/mod.rs

@@ -0,0 +1,21 @@
+// Copyright 2015, 2016 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/>.
+
+//! Types used in the public api
+
+#![allow(dead_code, unused_assignments, unused_variables)] // codegen issues
+include!(concat!(env!("OUT_DIR"), "/mod.rs.in"));
+

updater/src/types/mod.rs.in

@@ -0,0 +1,17 @@
+// Copyright 2015, 2016 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/>.
+
+pub mod all;

updater/src/updater.rs

@@ -18,12 +18,14 @@ use std::sync::{Arc, Weak};
 use std::{fs, env};
 use std::io::Write;
 use std::path::{PathBuf};
-use util::misc::{VersionInfo, ReleaseTrack/*, platform*/};
+//use util::misc::platform;
+use ipc_common_types::{VersionInfo, ReleaseTrack};
 use util::{Address, H160, H256, FixedHash, Mutex, Bytes};
 use ethcore::client::{BlockId, BlockChainClient, ChainNotify};
 use hash_fetch::{self as fetch, HashFetch};
 use operations::Operations;
-use service::{Service, ReleaseInfo, OperationsInfo, CapState};
+use service::{Service};
+use types::all::{ReleaseInfo, OperationsInfo, CapState};
 
 /// Filter for releases.
 #[derive(Debug, Eq, PartialEq, Clone)]

util/Cargo.toml

@@ -37,7 +37,6 @@ tiny-keccak= "1.0"
 ethcore-bloom-journal = { path = "bloom" }
 regex = "0.1"
 lru-cache = "0.1.0"
-semver = "0.5"
 
 [features]
 default = []

util/src/lib.rs

@@ -106,7 +106,6 @@ extern crate tiny_keccak;
 extern crate rlp;
 extern crate regex;
 extern crate lru_cache;
-extern crate semver;
 
 #[macro_use]
 extern crate heapsize;

util/src/misc.rs

@@ -17,7 +17,6 @@
 //! Diff misc.
 
 use common::*;
-use semver::{Identifier, Version};
 use rlp::{Stream, RlpStream};
 use target_info::Target;
 
@@ -33,107 +32,6 @@ pub enum Filth {
 	Dirty,
 }
 
-/// A release's track.
-#[derive(PartialEq, Eq, Clone, Copy, Debug)]
-pub enum ReleaseTrack {
-	/// Stable track.
-	Stable,
-	/// Beta track.
-	Beta,
-	/// Nightly track.
-	Nightly,
-	/// No known track.
-	Unknown,
-}
-
-impl fmt::Display for ReleaseTrack {
-	fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
-		write!(f, "{}", match *self {
-			ReleaseTrack::Stable => "stable", 
-			ReleaseTrack::Beta => "beta", 
-			ReleaseTrack::Nightly => "nightly", 
-			ReleaseTrack::Unknown => "unknown", 
-		})
-	}
-}
-
-impl<'a> From<&'a str> for ReleaseTrack {
-	fn from(s: &'a str) -> Self {
-		match s {
-			"stable" => ReleaseTrack::Stable, 
-			"beta" => ReleaseTrack::Beta, 
-			"nightly" => ReleaseTrack::Nightly, 
-			_ => ReleaseTrack::Unknown, 
-		}		
-	}
-}
-
-impl From<u8> for ReleaseTrack {
-	fn from(i: u8) -> Self {
-		match i {
-			1 => ReleaseTrack::Stable, 
-			2 => ReleaseTrack::Beta, 
-			3 => ReleaseTrack::Nightly, 
-			_ => ReleaseTrack::Unknown, 
-		}		
-	}
-}
-
-impl Into<u8> for ReleaseTrack {
-	fn into(self) -> u8 {
-		match self {
-			ReleaseTrack::Stable => 1, 
-			ReleaseTrack::Beta => 2, 
-			ReleaseTrack::Nightly => 3, 
-			ReleaseTrack::Unknown => 0, 
-		}		
-	}
-}
-
-/// Version information of a particular release. 
-#[derive(Debug, Clone, PartialEq)]
-pub struct VersionInfo {
-	/// The track on which it was released.
-	pub track: ReleaseTrack,
-	/// The version.
-	pub version: Version,
-	/// The (SHA1?) 160-bit hash of this build's code base.
-	pub hash: H160,
-}
-
-impl fmt::Display for VersionInfo {
-	fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
-		write!(f, "{}-{}", self.version, self.hash)
-	}
-}
-
-impl VersionInfo {
-	/// Get information for this (currently running) binary.
-	pub fn this() -> Self {
-		VersionInfo {
-			track: env!["CARGO_PKG_VERSION_PRE"].into(),
-			version: Version::parse(env!["CARGO_PKG_VERSION"]).expect("Environment variables are known to be valid; qed"),
-			hash: sha().into(),
-		}
-	}
-
-	/// Compose the information from the provided raw fields.
-	pub fn from_raw(semver: u32, track: u8, hash: H160) -> Self {
-		let t = track.into();
-		VersionInfo {
-			version: Version {
-				major: (semver >> 16) as u64,
-				minor: ((semver >> 8) & 0xff) as u64,
-				patch: (semver & 0xff) as u64,
-				build: vec![],
-				pre: vec![Identifier::AlphaNumeric(format!("{}", t))]
-			},
-			track: t,
-			hash: hash,
-		}
-	}
-}
-
 /// Get the platform identifier.
 pub fn platform() -> String {
 	let env = Target::env();
@@ -163,3 +61,8 @@ pub fn version_data() -> Bytes {
 	s.append(&&Target::os()[0..2]);
 	s.out()
 }
+
+/// Provide raw information on the package.
+pub fn raw_package_info() -> (&'static str, &'static str, &'static str) {
+	(env!["CARGO_PKG_VERSION_PRE"], env!["CARGO_PKG_VERSION"], sha())
+}