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Merge pull request #544 from ethcore/uint-refact

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uint to separate crate
This commit is contained in:
Gav Wood 2016-03-02 00:59:03 +01:00
commit 0082d12ea9
30 changed files with 193 additions and 92 deletions
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13
Cargo.lock generated
View File

@ -44,6 +44,18 @@ dependencies = [
"syntex_syntax 0.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "bigint"
version = "0.1.0"
dependencies = [
"arrayvec 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
"heapsize 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "bitflags"
version = "0.3.3"
@ -220,6 +232,7 @@ name = "ethcore-util"
version = "0.9.99"
dependencies = [
"arrayvec 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
"bigint 0.1.0",
"clippy 0.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
"crossbeam 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
"elastic-array 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",

4
ethcore/src/action_params.rs
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@ -15,9 +15,7 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Evm input params.
use util::hash::*;
use util::uint::*;
use util::bytes::*;
use common::*;
/// Transaction value
#[derive(Clone, Debug)]

3
ethcore/src/blockchain/best_block.rs
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@ -14,8 +14,7 @@
// 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::hash::H256;
use util::uint::U256;
use util::numbers::{U256,H256};
use header::BlockNumber;
/// Best block info.

3
ethcore/src/blockchain/block_info.rs
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@ -14,8 +14,7 @@
// 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::hash::H256;
use util::uint::U256;
use util::numbers::{U256,H256};
use header::BlockNumber;
/// Brief info about inserted block.

2
ethcore/src/blockchain/bloom_indexer.rs
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@ -14,7 +14,7 @@
// 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::hash::H256;
use util::numbers::H256;
use chainfilter::BloomIndex;
/// Represents location of block bloom in extras database.

2
ethcore/src/blockchain/tree_route.rs
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@ -14,7 +14,7 @@
// 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::hash::H256;
use util::numbers::H256;
/// Represents a tree route between `from` block and `to` block:
#[derive(Debug)]

2
ethcore/src/blockchain/update.rs
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@ -1,5 +1,5 @@
use std::collections::HashMap;
use util::hash::H256;
use util::numbers::H256;
use header::BlockNumber;
use blockchain::block_info::BlockInfo;
use extras::{BlockDetails, BlockReceipts, TransactionAddress, BlocksBlooms};

4
ethcore/src/evm/ext.rs
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@ -16,9 +16,7 @@
//! Interface for Evm externalities.
use common::Bytes;
use util::hash::*;
use util::uint::*;
use util::common::*;
use evm::{Schedule, Error};
use env_info::*;

3
ethcore/src/state.rs
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@ -335,10 +335,9 @@ impl fmt::Debug for State {
mod tests {
use super::*;
use util::hash::*;
use util::common::*;
use util::trie::*;
use util::rlp::*;
use util::uint::*;
use account::*;
use tests::helpers::*;
use devtools::*;

3
rpc/src/v1/impls/eth.rs
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@ -18,8 +18,7 @@
use std::sync::{Arc, Weak};
use ethsync::{EthSync, SyncState};
use jsonrpc_core::*;
use util::hash::*;
use util::uint::*;
use util::numbers::*;
use util::sha3::*;
use ethcore::client::*;
use ethcore::views::*;

6
rpc/src/v1/types/block.rs
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@ -15,8 +15,7 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use serde::{Serialize, Serializer};
use util::hash::*;
use util::uint::*;
use util::numbers::*;
use v1::types::{Bytes, Transaction, OptionalValue};
#[derive(Debug)]
@ -71,8 +70,7 @@ pub struct Block {
#[cfg(test)]
mod tests {
use serde_json;
use util::hash::*;
use util::uint::*;
use util::numbers::*;
use v1::types::{Transaction, Bytes, OptionalValue};
use super::*;

2
rpc/src/v1/types/filter.rs
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@ -17,7 +17,7 @@
use serde::{Deserialize, Deserializer, Error};
use serde_json::value;
use jsonrpc_core::Value;
use util::hash::*;
use util::numbers::*;
use v1::types::BlockNumber;
use ethcore::filter::Filter as EthFilter;
use ethcore::client::BlockId;

6
rpc/src/v1/types/log.rs
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@ -14,8 +14,7 @@
// 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::hash::*;
use util::uint::*;
use util::numbers::*;
use ethcore::log_entry::LocalizedLogEntry;
use v1::types::Bytes;
@ -55,8 +54,7 @@ impl From<LocalizedLogEntry> for Log {
mod tests {
use serde_json;
use std::str::FromStr;
use util::hash::*;
use util::uint::*;
use util::numbers::*;
use v1::types::{Bytes, Log};
#[test]

2
rpc/src/v1/types/sync.rs
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@ -15,7 +15,7 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use serde::{Serialize, Serializer};
use util::uint::*;
use util::numbers::*;
#[derive(Default, Debug, Serialize, PartialEq)]
pub struct SyncInfo {

3
rpc/src/v1/types/transaction.rs
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@ -14,8 +14,7 @@
// 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::hash::*;
use util::uint::*;
use util::numbers::*;
use ethcore::transaction::{LocalizedTransaction, Action};
use v1::types::{Bytes, OptionalValue};

1
util/Cargo.toml
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@ -35,6 +35,7 @@ ethcore-devtools = { path = "../devtools" }
libc = "0.2.7"
vergen = "0.1"
target_info = "0.1"
bigint = { path = "bigint" }
[features]
default = []

23
util/bigint/Cargo.toml Normal file
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@ -0,0 +1,23 @@
[package]
description = "Rust-assembler implementation of big integers arithmetic"
homepage = "http://ethcore.io"
license = "GPL-3.0"
name = "bigint"
version = "0.1.0"
authors = ["Ethcore <admin@ethcore.io>"]
build = "build.rs"
[build-dependencies]
rustc_version = "0.1"
[dependencies]
rustc-serialize = "0.3"
arrayvec = "0.3"
rand = "0.3.12"
serde = "0.7.0"
clippy = { version = "0.0.44", optional = true }
heapsize = "0.3"
[features]
x64asm_arithmetic=[]
rust_arithmetic=[]

25
util/bigint/build.rs Normal file
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@ -0,0 +1,25 @@
// 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/>.
extern crate rustc_version;
use rustc_version::{version_meta, Channel};
fn main() {
if let Channel::Nightly = version_meta().channel {
println!("cargo:rustc-cfg=asm_available");
}
}

23
util/bigint/src/lib.rs Normal file
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@ -0,0 +1,23 @@
// 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/>.
#![cfg_attr(asm_available, feature(asm))]
extern crate rustc_serialize;
extern crate serde;
#[macro_use] extern crate heapsize;
pub mod uint;

61
util/src/uint.rs → util/bigint/src/uint.rs
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@ -36,10 +36,26 @@
//! The functions here are designed to be fast.
//!
use standard::*;
use from_json::*;
use rustc_serialize::hex::ToHex;
use std::fmt;
use std::cmp;
use std::mem;
use std::ops;
use std::slice;
use std::result;
use std::option;
use std::str::{FromStr};
use std::convert::From;
use std::hash::{Hash, Hasher};
use std::ops::*;
use std::cmp::*;
use std::collections::*;
use serde;
use rustc_serialize::json::Json;
use rustc_serialize::base64::FromBase64;
use rustc_serialize::hex::{FromHex, FromHexError, ToHex};
macro_rules! impl_map_from {
($thing:ident, $from:ty, $to:ty) => {
@ -51,7 +67,7 @@ macro_rules! impl_map_from {
}
}
#[cfg(not(all(x64asm, target_arch="x86_64")))]
#[cfg(not(all(asm_available, target_arch="x86_64")))]
macro_rules! uint_overflowing_add {
($name:ident, $n_words:expr, $self_expr: expr, $other: expr) => ({
uint_overflowing_add_reg!($name, $n_words, $self_expr, $other)
@ -88,8 +104,7 @@ macro_rules! uint_overflowing_add_reg {
})
}
#[cfg(all(x64asm, target_arch="x86_64"))]
#[cfg(all(asm_available, target_arch="x86_64"))]
macro_rules! uint_overflowing_add {
(U256, $n_words: expr, $self_expr: expr, $other: expr) => ({
let mut result: [u64; 4] = unsafe { mem::uninitialized() };
@ -165,7 +180,7 @@ macro_rules! uint_overflowing_add {
)
}
#[cfg(not(all(x64asm, target_arch="x86_64")))]
#[cfg(not(all(asm_available, target_arch="x86_64")))]
macro_rules! uint_overflowing_sub {
($name:ident, $n_words: expr, $self_expr: expr, $other: expr) => ({
let res = overflowing!((!$other).overflowing_add(From::from(1u64)));
@ -174,7 +189,7 @@ macro_rules! uint_overflowing_sub {
})
}
#[cfg(all(x64asm, target_arch="x86_64"))]
#[cfg(all(asm_available, target_arch="x86_64"))]
macro_rules! uint_overflowing_sub {
(U256, $n_words: expr, $self_expr: expr, $other: expr) => ({
let mut result: [u64; 4] = unsafe { mem::uninitialized() };
@ -250,7 +265,7 @@ macro_rules! uint_overflowing_sub {
})
}
#[cfg(all(x64asm, target_arch="x86_64"))]
#[cfg(all(asm_available, target_arch="x86_64"))]
macro_rules! uint_overflowing_mul {
(U256, $n_words: expr, $self_expr: expr, $other: expr) => ({
let mut result: [u64; 4] = unsafe { mem::uninitialized() };
@ -370,7 +385,7 @@ macro_rules! uint_overflowing_mul {
)
}
#[cfg(not(all(x64asm, target_arch="x86_64")))]
#[cfg(not(all(asm_available, target_arch="x86_64")))]
macro_rules! uint_overflowing_mul {
($name:ident, $n_words: expr, $self_expr: expr, $other: expr) => ({
uint_overflowing_mul_reg!($name, $n_words, $self_expr, $other)
@ -381,7 +396,6 @@ macro_rules! uint_overflowing_mul_reg {
($name:ident, $n_words: expr, $self_expr: expr, $other: expr) => ({
let mut res = $name::from(0u64);
let mut overflow = false;
// TODO: be more efficient about this
for i in 0..(2 * $n_words) {
let v = overflowing!($self_expr.overflowing_mul_u32(($other >> (32 * i)).low_u32()), overflow);
let res2 = overflowing!(v.overflowing_shl(32 * i as u32), overflow);
@ -416,7 +430,7 @@ macro_rules! panic_on_overflow {
}
/// Large, fixed-length unsigned integer type.
pub trait Uint: Sized + Default + FromStr + From<u64> + FromJson + fmt::Debug + fmt::Display + PartialOrd + Ord + PartialEq + Eq + Hash {
pub trait Uint: Sized + Default + FromStr + From<u64> + fmt::Debug + fmt::Display + PartialOrd + Ord + PartialEq + Eq + Hash {
/// Returns new instance equalling zero.
fn zero() -> Self;
@ -779,22 +793,6 @@ macro_rules! construct_uint {
}
}
impl FromJson for $name {
fn from_json(json: &Json) -> Self {
match *json {
Json::String(ref s) => {
if s.len() >= 2 && &s[0..2] == "0x" {
FromStr::from_str(&s[2..]).unwrap_or_else(|_| Default::default())
} else {
Uint::from_dec_str(s).unwrap_or_else(|_| Default::default())
}
},
Json::U64(u) => From::from(u),
Json::I64(i) => From::from(i as u64),
_ => Uint::zero(),
}
}
}
impl_map_from!($name, u8, u64);
impl_map_from!($name, u16, u64);
@ -1100,7 +1098,7 @@ construct_uint!(U128, 2);
impl U256 {
/// Multiplies two 256-bit integers to produce full 512-bit integer
/// No overflow possible
#[cfg(all(x64asm, target_arch="x86_64"))]
#[cfg(all(asm_available, target_arch="x86_64"))]
pub fn full_mul(self, other: U256) -> U512 {
let self_t: &[u64; 4] = unsafe { &mem::transmute(self) };
let other_t: &[u64; 4] = unsafe { &mem::transmute(other) };
@ -1239,7 +1237,7 @@ impl U256 {
/// Multiplies two 256-bit integers to produce full 512-bit integer
/// No overflow possible
#[cfg(not(all(x64asm, target_arch="x86_64")))]
#[cfg(not(all(asm_available, target_arch="x86_64")))]
pub fn full_mul(self, other: U256) -> U512 {
let self_512 = U512::from(self);
let other_512 = U512::from(other);
@ -1338,6 +1336,9 @@ pub const ZERO_U256: U256 = U256([0x00u64; 4]);
/// Constant value of `U256::one()` that can be used for a reference saving an additional instance creation.
pub const ONE_U256: U256 = U256([0x01u64, 0x00u64, 0x00u64, 0x00u64]);
known_heap_size!(0, U128, U256);
#[cfg(test)]
mod tests {
use uint::{Uint, U128, U256, U512};

6
util/build.rs
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@ -1,13 +1,7 @@
extern crate vergen;
extern crate rustc_version;
use vergen::*;
use rustc_version::{version_meta, Channel};
fn main() {
vergen(OutputFns::all()).unwrap();
if let Channel::Nightly = version_meta().channel {
println!("cargo:rustc-cfg=x64asm");
}
}

3
util/src/common.rs
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@ -19,10 +19,9 @@
pub use standard::*;
pub use from_json::*;
pub use error::*;
pub use hash::*;
pub use uint::*;
pub use bytes::*;
pub use vector::*;
pub use numbers::*;
pub use sha3::*;
#[macro_export]

6
util/src/crypto.rs
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@ -16,9 +16,8 @@
//! Ethcore crypto.
use hash::*;
use numbers::*;
use bytes::*;
use uint::*;
use secp256k1::{key, Secp256k1};
use rand::os::OsRng;
@ -151,8 +150,7 @@ impl KeyPair {
/// EC functions
pub mod ec {
use hash::*;
use uint::*;
use numbers::*;
use standard::*;
use crypto::*;
use crypto::{self};

18
util/src/from_json.rs
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@ -17,6 +17,7 @@
//! Coversion from json.
use standard::*;
use bigint::uint::*;
#[macro_export]
macro_rules! xjson {
@ -30,3 +31,20 @@ pub trait FromJson {
/// Convert a JSON value to an instance of this type.
fn from_json(json: &Json) -> Self;
}
impl FromJson for U256 {
fn from_json(json: &Json) -> Self {
match *json {
Json::String(ref s) => {
if s.len() >= 2 && &s[0..2] == "0x" {
FromStr::from_str(&s[2..]).unwrap_or_else(|_| Default::default())
} else {
Uint::from_dec_str(s).unwrap_or_else(|_| Default::default())
}
},
Json::U64(u) => From::from(u),
Json::I64(i) => From::from(i as u64),
_ => Uint::zero(),
}
}
}

6
util/src/hash.rs
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@ -23,7 +23,7 @@ use rand::Rng;
use rand::os::OsRng;
use bytes::{BytesConvertable,Populatable};
use from_json::*;
use uint::{Uint, U256};
use bigint::uint::{Uint, U256};
use rustc_serialize::hex::ToHex;
use serde;
@ -597,7 +597,7 @@ pub fn h256_from_hex(s: &str) -> H256 {
/// Convert `n` to an `H256`, setting the rightmost 8 bytes.
pub fn h256_from_u64(n: u64) -> H256 {
use uint::U256;
use bigint::uint::U256;
H256::from(&U256::from(n))
}
@ -633,7 +633,7 @@ pub static ZERO_H256: H256 = H256([0x00; 32]);
#[cfg(test)]
mod tests {
use hash::*;
use uint::*;
use bigint::uint::*;
use std::str::FromStr;
#[test]

3
util/src/heapsizeof.rs
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@ -16,8 +16,7 @@
//! Calculates heapsize of util types.
use uint::*;
use hash::*;
known_heap_size!(0, H32, H64, H128, Address, H256, H264, H512, H520, H1024, H2048);
known_heap_size!(0, U128, U256);

4
util/src/lib.rs
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@ -16,7 +16,6 @@
#![warn(missing_docs)]
#![cfg_attr(feature="dev", feature(plugin))]
#![cfg_attr(x64asm, feature(asm))]
#![cfg_attr(feature="dev", plugin(clippy))]
// Clippy settings
@ -111,15 +110,16 @@ extern crate libc;
extern crate rustc_version;
extern crate target_info;
extern crate vergen;
extern crate bigint;
pub mod standard;
#[macro_use]
pub mod from_json;
#[macro_use]
pub mod common;
pub mod numbers;
pub mod error;
pub mod hash;
pub mod uint;
pub mod bytes;
pub mod rlp;
pub mod misc;

20
util/src/numbers.rs Normal file
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@ -0,0 +1,20 @@
// 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/>.
//! Utils number types.
pub use hash::*;
pub use bigint::uint::*;

2
util/src/rlp/bytes.rs
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@ -21,7 +21,7 @@ use std::mem;
use std::fmt;
use std::cmp::Ordering;
use std::error::Error as StdError;
use uint::{Uint, U128, U256};
use bigint::uint::{Uint, U128, U256};
use hash::FixedHash;
use elastic_array::*;

2
util/src/rlp/tests.rs
View File

@ -21,7 +21,7 @@ use std::{fmt, cmp};
use std::str::FromStr;
use rlp;
use rlp::{UntrustedRlp, RlpStream, View, Stream, DecoderError};
use uint::U256;
use bigint::uint::U256;
#[test]
fn rlp_at() {