Merge branch 'master' of github.com:ethcore/parity into thread

This commit is contained in:
arkpar 2016-03-02 01:20:41 +01:00
commit 15ecba57ec
45 changed files with 1045 additions and 187 deletions

3
.gitignore vendored
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@ -27,3 +27,6 @@
# jetbrains ide stuff
.idea
*.iml
# Build artifacts
out/

13
Cargo.lock generated
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@ -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)",

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@ -19,7 +19,7 @@ First (if you don't already have it) get multirust:
- Linux:
```bash
curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sudo sh -s -- --yes
curl -sf https://raw.githubusercontent.com/brson/multirust/master/quick-install.sh | sudo sh -s -- --yes
```
- OSX with Homebrew:

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@ -92,10 +92,10 @@ impl Account {
/// Create a new contract account.
/// NOTE: make sure you use `init_code` on this before `commit`ing.
pub fn new_contract(balance: U256) -> Account {
pub fn new_contract(balance: U256, nonce: U256) -> Account {
Account {
balance: balance,
nonce: U256::from(0u8),
nonce: nonce,
storage_root: SHA3_NULL_RLP,
storage_overlay: RefCell::new(HashMap::new()),
code_hash: None,
@ -261,7 +261,7 @@ mod tests {
let mut db = MemoryDB::new();
let mut db = AccountDBMut::new(&mut db, &Address::new());
let rlp = {
let mut a = Account::new_contract(U256::from(69u8));
let mut a = Account::new_contract(x!(69), x!(0));
a.set_storage(H256::from(&U256::from(0x00u64)), H256::from(&U256::from(0x1234u64)));
a.commit_storage(&mut db);
a.init_code(vec![]);
@ -281,7 +281,7 @@ mod tests {
let mut db = AccountDBMut::new(&mut db, &Address::new());
let rlp = {
let mut a = Account::new_contract(U256::from(69u8));
let mut a = Account::new_contract(x!(69), x!(0));
a.init_code(vec![0x55, 0x44, 0xffu8]);
a.commit_code(&mut db);
a.rlp()
@ -296,7 +296,7 @@ mod tests {
#[test]
fn commit_storage() {
let mut a = Account::new_contract(U256::from(69u8));
let mut a = Account::new_contract(x!(69), x!(0));
let mut db = MemoryDB::new();
let mut db = AccountDBMut::new(&mut db, &Address::new());
a.set_storage(x!(0), x!(0x1234));
@ -307,7 +307,7 @@ mod tests {
#[test]
fn commit_remove_commit_storage() {
let mut a = Account::new_contract(U256::from(69u8));
let mut a = Account::new_contract(x!(69), x!(0));
let mut db = MemoryDB::new();
let mut db = AccountDBMut::new(&mut db, &Address::new());
a.set_storage(x!(0), x!(0x1234));
@ -321,7 +321,7 @@ mod tests {
#[test]
fn commit_code() {
let mut a = Account::new_contract(U256::from(69u8));
let mut a = Account::new_contract(x!(69), x!(0));
let mut db = MemoryDB::new();
let mut db = AccountDBMut::new(&mut db, &Address::new());
a.init_code(vec![0x55, 0x44, 0xffu8]);

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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)]

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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.

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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.

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@ -791,19 +791,24 @@ mod tests {
use std::str::FromStr;
use rustc_serialize::hex::FromHex;
use util::hash::*;
use util::sha3::Hashable;
use blockchain::{BlockProvider, BlockChain, BlockChainConfig};
use tests::helpers::*;
use devtools::*;
use blockchain::helpers::generators::{ChainGenerator, ChainIterator};
use views::BlockView;
#[test]
fn valid_tests_extra32() {
let genesis = "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".from_hex().unwrap();
fn basic_blockchain_insert() {
let mut canon_chain = ChainGenerator::default();
let genesis = canon_chain.next().unwrap().rlp();
let first = canon_chain.next().unwrap().rlp();
let genesis_hash = BlockView::new(&genesis).header_view().sha3();
let first_hash = BlockView::new(&first).header_view().sha3();
let temp = RandomTempPath::new();
let bc = BlockChain::new(BlockChainConfig::default(), &genesis, temp.as_path());
let genesis_hash = H256::from_str("3caa2203f3d7c136c0295ed128a7d31cea520b1ca5e27afe17d0853331798942").unwrap();
assert_eq!(bc.genesis_hash(), genesis_hash.clone());
assert_eq!(bc.best_block_number(), 0);
assert_eq!(bc.best_block_hash(), genesis_hash.clone());
@ -811,12 +816,8 @@ mod tests {
assert_eq!(bc.block_hash(1), None);
assert_eq!(bc.block_details(&genesis_hash).unwrap().children, vec![]);
let first = "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".from_hex().unwrap();
bc.insert_block(&first, vec![]);
let first_hash = H256::from_str("a940e5af7d146b3b917c953a82e1966b906dace3a4e355b5b0a4560190357ea1").unwrap();
assert_eq!(bc.block_hash(0), Some(genesis_hash.clone()));
assert_eq!(bc.best_block_number(), 1);
assert_eq!(bc.best_block_hash(), first_hash.clone());
@ -829,20 +830,24 @@ mod tests {
#[test]
#[cfg_attr(feature="dev", allow(cyclomatic_complexity))]
fn test_small_fork() {
let genesis = "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".from_hex().unwrap();
let b1 = "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".from_hex().unwrap();
let b2 = "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".from_hex().unwrap();
let b3a = "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".from_hex().unwrap();
let b3b = "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".from_hex().unwrap();
let mut canon_chain = ChainGenerator::default();
let genesis = canon_chain.next().unwrap().rlp();
let blocks = canon_chain.clone().take(3).map(|block| block.rlp()).collect::<Vec<_>>();
let fork = canon_chain.skip(2).fork(1).take(1).next().unwrap().rlp();
let genesis_hash = H256::from_str("5716670833ec874362d65fea27a7cd35af5897d275b31a44944113111e4e96d2").unwrap();
let b1_hash = H256::from_str("437e51676ff10756fcfee5edd9159fa41dbcb1b2c592850450371cbecd54ee4f").unwrap();
let b2_hash = H256::from_str("36fde1253128666fcb95a5956da14a73489e988bb72738717ec1d31e1cee781a").unwrap();
let b3a_hash = H256::from_str("c208f88c9f5bf7e00840439742c12e5226d9752981f3ec0521bdcb6dd08af277").unwrap();
let b3b_hash = H256::from_str("bf72270ae0d95c9ea39a6adab994793fddb8c10fba7391e26279474124605d54").unwrap();
let b1 = blocks[0].clone();
let b2 = blocks[1].clone();
let b3a = blocks[2].clone();
let b3b = fork;
let genesis_hash = BlockView::new(&genesis).header_view().sha3();
let b1_hash= BlockView::new(&b1).header_view().sha3();
let b2_hash= BlockView::new(&b2).header_view().sha3();
let b3a_hash= BlockView::new(&b3a).header_view().sha3();
let b3b_hash= BlockView::new(&b3b).header_view().sha3();
// b3a is a part of canon chain, whereas b3b is part of sidechain
let best_block_hash = H256::from_str("c208f88c9f5bf7e00840439742c12e5226d9752981f3ec0521bdcb6dd08af277").unwrap();
let best_block_hash = b3a_hash.clone();
let temp = RandomTempPath::new();
let bc = BlockChain::new(BlockChainConfig::default(), &genesis, temp.as_path());
@ -1066,6 +1071,4 @@ mod tests {
assert_eq!(blocks_b2, vec![2]);
assert_eq!(blocks_ba, vec![3]);
}
}

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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.

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@ -0,0 +1,203 @@
// 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/>.
use util::rlp::*;
use util::hash::{H256, H2048};
use util::uint::{U256};
use util::bytes::Bytes;
use header::{BlockNumber, Header};
use transaction::SignedTransaction;
pub trait Forkable {
fn fork(self, fork_number: usize) -> Self where Self: Sized;
}
pub struct Fork<I> {
iter: I,
fork_number: usize,
}
impl<I> Iterator for Fork<I> where I: Iterator, <I as Iterator>::Item: Forkable {
type Item = <I as Iterator>::Item;
#[inline]
fn next(&mut self) -> Option<Self::Item> {
self.iter.next().map(|item| item.fork(self.fork_number))
}
}
pub trait WithBloom {
fn with_bloom(self, bloom: H2048) -> Self where Self: Sized;
}
pub struct Bloom<I> {
iter: I,
bloom: H2048,
}
impl<I> Iterator for Bloom<I> where I: Iterator, <I as Iterator>::Item: WithBloom {
type Item = <I as Iterator>::Item;
#[inline]
fn next(&mut self) -> Option<Self::Item> {
self.iter.next().map(|item| item.with_bloom(self.bloom.clone()))
}
}
/// Chain iterator interface.
pub trait ChainIterator: Iterator {
/// Should be called to create a fork of current iterator.
/// Blocks generated by fork will have lower difficulty than current chain.
fn fork(&mut self, fork_number: usize) -> Fork<Self> where Self: Sized;
/// Should be called to make every consecutive block have given bloom.
fn with_bloom(&mut self, bloom: H2048) -> Bloom<Self> where Self: Sized;
}
impl<I> ChainIterator for I where I: Iterator + Sized + Clone {
fn fork(&mut self, fork_number: usize) -> Fork<Self> {
Fork {
iter: self.clone(),
fork_number: fork_number
}
}
fn with_bloom(&mut self, bloom: H2048) -> Bloom<Self> {
Bloom {
iter: self.clone(),
bloom: bloom
}
}
}
/// Helper structure, used for encoding blocks.
#[derive(Default)]
pub struct Block {
header: Header,
transactions: Vec<SignedTransaction>,
uncles: Vec<Header>
}
impl Block {
pub fn rlp(&self) -> Bytes {
encode(self).to_vec()
}
}
impl Encodable for Block {
fn rlp_append(&self, s: &mut RlpStream) {
s.begin_list(3);
s.append(&self.header);
s.append(&self.transactions);
s.append(&self.uncles);
}
}
impl Forkable for Block {
fn fork(mut self, fork_number: usize) -> Self where Self: Sized {
self.header.difficulty = self.header.difficulty - U256::from(fork_number);
self
}
}
impl WithBloom for Block {
fn with_bloom(mut self, bloom: H2048) -> Self where Self: Sized {
self.header.log_bloom = bloom;
self
}
}
/// Blockchain generator.
#[derive(Clone)]
pub struct ChainGenerator {
/// Next block number.
number: BlockNumber,
/// Next block parent hash.
parent_hash: H256,
/// Next block difficulty.
difficulty: U256,
}
impl ChainGenerator {
fn prepare_block(&self) -> Block {
let mut block = Block::default();
block.header.parent_hash = self.parent_hash.clone();
block.header.number = self.number;
block.header.difficulty = self.difficulty;
block
}
}
impl Default for ChainGenerator {
fn default() -> Self {
ChainGenerator {
number: 0,
parent_hash: H256::default(),
difficulty: U256::from(1000),
}
}
}
impl Iterator for ChainGenerator {
type Item = Block;
fn next(&mut self) -> Option<Self::Item> {
let block = self.prepare_block();
self.number += 1;
self.parent_hash = block.header.hash();
Some(block)
}
}
#[cfg(test)]
mod tests {
use util::hash::H256;
use util::sha3::Hashable;
use views::BlockView;
use super::{ChainIterator, ChainGenerator};
#[test]
fn canon_chain_generator() {
let mut canon_chain = ChainGenerator::default();
let genesis_rlp = canon_chain.next().unwrap().rlp();
let genesis = BlockView::new(&genesis_rlp);
assert_eq!(genesis.header_view().parent_hash(), H256::default());
assert_eq!(genesis.header_view().number(), 0);
let b1_rlp = canon_chain.next().unwrap().rlp();
let b1 = BlockView::new(&b1_rlp);
assert_eq!(b1.header_view().parent_hash(), genesis.header_view().sha3());
assert_eq!(b1.header_view().number(), 1);
let mut fork_chain = canon_chain.fork(1);
let b2_rlp_fork = fork_chain.next().unwrap().rlp();
let b2_fork = BlockView::new(&b2_rlp_fork);
assert_eq!(b2_fork.header_view().parent_hash(), b1.header_view().sha3());
assert_eq!(b2_fork.header_view().number(), 2);
let b2_rlp = canon_chain.next().unwrap().rlp();
let b2 = BlockView::new(&b2_rlp);
assert_eq!(b2.header_view().parent_hash(), b1.header_view().sha3());
assert_eq!(b2.header_view().number(), 2);
assert!(b2.header_view().difficulty() > b2_fork.header_view().difficulty());
}
}

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@ -0,0 +1,17 @@
// 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/>.
pub mod generators;

View File

@ -23,6 +23,8 @@ mod bloom_indexer;
mod cache;
mod tree_route;
mod update;
#[cfg(test)]
mod helpers;
pub use self::blockchain::{BlockProvider, BlockChain, BlockChainConfig};
pub use self::cache::CacheSize;

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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)]

View File

@ -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};

View File

@ -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::*;

View File

@ -138,7 +138,7 @@ impl State {
/// Create a new contract at address `contract`. If there is already an account at the address
/// it will have its code reset, ready for `init_code()`.
pub fn new_contract(&mut self, contract: &Address, balance: U256) {
self.insert_cache(&contract, Some(Account::new_contract(balance)));
self.insert_cache(&contract, Some(Account::new_contract(balance, self.account_start_nonce)));
}
/// Remove an existing account.
@ -204,7 +204,7 @@ impl State {
/// Initialise the code of account `a` so that it is `value` for `key`.
/// NOTE: Account should have been created with `new_contract`.
pub fn init_code(&mut self, a: &Address, code: Bytes) {
self.require_or_from(a, true, || Account::new_contract(U256::from(0u8)), |_|{}).init_code(code);
self.require_or_from(a, true, || Account::new_contract(x!(0), self.account_start_nonce), |_|{}).init_code(code);
}
/// Execute a given transaction.
@ -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::*;
@ -349,7 +348,7 @@ fn code_from_database() {
let temp = RandomTempPath::new();
let (root, db) = {
let mut state = get_temp_state_in(temp.as_path());
state.require_or_from(&a, false, ||Account::new_contract(U256::from(42u32)), |_|{});
state.require_or_from(&a, false, ||Account::new_contract(x!(42), x!(0)), |_|{});
state.init_code(&a, vec![1, 2, 3]);
assert_eq!(state.code(&a), Some([1u8, 2, 3].to_vec()));
state.commit();

View File

@ -100,10 +100,10 @@ impl FromJson for SignedTransaction {
v: match json.find("v") { Some(ref j) => u16::from_json(j) as u8, None => 0 },
r: match json.find("r") { Some(j) => xjson!(j), None => x!(0) },
s: match json.find("s") { Some(j) => xjson!(j), None => x!(0) },
hash: RefCell::new(None),
hash: Cell::new(None),
sender: match json.find("sender") {
Some(&Json::String(ref sender)) => RefCell::new(Some(address_from_hex(clean(sender)))),
_ => RefCell::new(None),
Some(&Json::String(ref sender)) => Cell::new(Some(address_from_hex(clean(sender)))),
_ => Cell::new(None),
}
}
}
@ -127,8 +127,8 @@ impl Transaction {
r: r,
s: s,
v: v + 27,
hash: RefCell::new(None),
sender: RefCell::new(None)
hash: Cell::new(None),
sender: Cell::new(None),
}
}
@ -140,8 +140,8 @@ impl Transaction {
r: U256::zero(),
s: U256::zero(),
v: 0,
hash: RefCell::new(None),
sender: RefCell::new(None)
hash: Cell::new(None),
sender: Cell::new(None),
}
}
@ -171,9 +171,9 @@ pub struct SignedTransaction {
/// The S field of the signature; helps describe the point on the curve.
s: U256,
/// Cached hash.
hash: RefCell<Option<H256>>,
hash: Cell<Option<H256>>,
/// Cached sender.
sender: RefCell<Option<Address>>
sender: Cell<Option<Address>>,
}
impl PartialEq for SignedTransaction {
@ -208,8 +208,8 @@ impl Decodable for SignedTransaction {
v: try!(d.val_at(6)),
r: try!(d.val_at(7)),
s: try!(d.val_at(8)),
hash: RefCell::new(None),
sender: RefCell::new(None),
hash: Cell::new(None),
sender: Cell::new(None),
})
}
}
@ -238,12 +238,13 @@ impl SignedTransaction {
/// Get the hash of this header (sha3 of the RLP).
pub fn hash(&self) -> H256 {
let mut hash = self.hash.borrow_mut();
match &mut *hash {
&mut Some(ref h) => h.clone(),
hash @ &mut None => {
*hash = Some(self.rlp_sha3());
hash.as_ref().unwrap().clone()
let hash = self.hash.get();
match hash {
Some(h) => h,
None => {
let h = self.rlp_sha3();
self.hash.set(Some(h));
h
}
}
}
@ -265,12 +266,13 @@ impl SignedTransaction {
/// Returns transaction sender.
pub fn sender(&self) -> Result<Address, Error> {
let mut sender = self.sender.borrow_mut();
match &mut *sender {
&mut Some(ref h) => Ok(h.clone()),
sender @ &mut None => {
*sender = Some(From::from(try!(ec::recover(&self.signature(), &self.unsigned.hash())).sha3()));
Ok(sender.as_ref().unwrap().clone())
let sender = self.sender.get();
match sender {
Some(s) => Ok(s),
None => {
let s = Address::from(try!(ec::recover(&self.signature(), &self.unsigned.hash())).sha3());
self.sender.set(Some(s));
Ok(s)
}
}
}

View File

@ -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::*;

View File

@ -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::*;

View File

@ -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;

View File

@ -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]

View File

@ -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 {

View File

@ -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};

View File

@ -1171,8 +1171,8 @@ impl ChainSync {
.collect::<Vec<_>>()
}
/// propagades latest block to lagging peers
fn propagade_blocks(&mut self, local_best: &H256, best_number: BlockNumber, io: &mut SyncIo) -> usize {
/// propagates latest block to lagging peers
fn propagate_blocks(&mut self, local_best: &H256, best_number: BlockNumber, io: &mut SyncIo) -> usize {
let updated_peers = {
let lagging_peers = self.get_lagging_peers(io);
@ -1198,8 +1198,8 @@ impl ChainSync {
sent
}
/// propagades new known hashes to all peers
fn propagade_new_hashes(&mut self, local_best: &H256, best_number: BlockNumber, io: &mut SyncIo) -> usize {
/// propagates new known hashes to all peers
fn propagate_new_hashes(&mut self, local_best: &H256, best_number: BlockNumber, io: &mut SyncIo) -> usize {
let updated_peers = self.get_lagging_peers(io);
let mut sent = 0;
let last_parent = HeaderView::new(&io.chain().block_header(BlockId::Hash(local_best.clone())).unwrap()).parent_hash();
@ -1234,8 +1234,8 @@ impl ChainSync {
pub fn chain_blocks_verified(&mut self, io: &mut SyncIo) {
let chain = io.chain().chain_info();
if (((chain.best_block_number as i64) - (self.last_send_block_number as i64)).abs() as BlockNumber) < MAX_PEER_LAG_PROPAGATION {
let blocks = self.propagade_blocks(&chain.best_block_hash, chain.best_block_number, io);
let hashes = self.propagade_new_hashes(&chain.best_block_hash, chain.best_block_number, io);
let blocks = self.propagate_blocks(&chain.best_block_hash, chain.best_block_number, io);
let hashes = self.propagate_new_hashes(&chain.best_block_hash, chain.best_block_number, io);
if blocks != 0 || hashes != 0 {
trace!(target: "sync", "Sent latest {} blocks and {} hashes to peers.", blocks, hashes);
}
@ -1419,7 +1419,7 @@ mod tests {
let best_number = client.chain_info().best_block_number;
let mut io = TestIo::new(&mut client, &mut queue, None);
let peer_count = sync.propagade_new_hashes(&best_hash, best_number, &mut io);
let peer_count = sync.propagate_new_hashes(&best_hash, best_number, &mut io);
// 1 message should be send
assert_eq!(1, io.queue.len());
@ -1439,7 +1439,7 @@ mod tests {
let best_number = client.chain_info().best_block_number;
let mut io = TestIo::new(&mut client, &mut queue, None);
let peer_count = sync.propagade_blocks(&best_hash, best_number, &mut io);
let peer_count = sync.propagate_blocks(&best_hash, best_number, &mut io);
// 1 message should be send
assert_eq!(1, io.queue.len());
@ -1545,7 +1545,7 @@ mod tests {
let best_number = client.chain_info().best_block_number;
let mut io = TestIo::new(&mut client, &mut queue, None);
sync.propagade_new_hashes(&best_hash, best_number, &mut io);
sync.propagate_new_hashes(&best_hash, best_number, &mut io);
let data = &io.queue[0].data.clone();
let result = sync.on_peer_new_hashes(&mut io, 0, &UntrustedRlp::new(&data));
@ -1564,7 +1564,7 @@ mod tests {
let best_number = client.chain_info().best_block_number;
let mut io = TestIo::new(&mut client, &mut queue, None);
sync.propagade_blocks(&best_hash, best_number, &mut io);
sync.propagate_blocks(&best_hash, best_number, &mut io);
let data = &io.queue[0].data.clone();
let result = sync.on_peer_new_block(&mut io, 0, &UntrustedRlp::new(&data));

View File

@ -121,7 +121,7 @@ fn status_packet() {
}
#[test]
fn propagade_hashes() {
fn propagate_hashes() {
let mut net = TestNet::new(6);
net.peer_mut(1).chain.add_blocks(10, false);
net.sync();
@ -147,7 +147,7 @@ fn propagade_hashes() {
}
#[test]
fn propagade_blocks() {
fn propagate_blocks() {
let mut net = TestNet::new(2);
net.peer_mut(1).chain.add_blocks(10, false);
net.sync();

View File

@ -117,7 +117,7 @@ impl BlockChainClient for TestBlockChainClient {
unimplemented!();
}
fn logs(&self, filter: Filter) -> Vec<LocalizedLogEntry> {
fn logs(&self, _filter: Filter) -> Vec<LocalizedLogEntry> {
unimplemented!();
}

View File

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

View File

@ -74,6 +74,19 @@ fn u256_mul(b: &mut Bencher) {
}
#[bench]
fn u256_full_mul(b: &mut Bencher) {
b.iter(|| {
let n = black_box(10000);
(0..n).fold(U256([rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>()]),
|old, new| {
let U512(ref u512words) = old.full_mul(U256([rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>()]));
U256([u512words[0], u512words[2], u512words[2], u512words[3]])
})
});
}
#[bench]
fn u128_mul(b: &mut Bencher) {
b.iter(|| {

23
util/bigint/Cargo.toml Normal file
View File

@ -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
View File

@ -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
View File

@ -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;

View File

@ -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);
@ -1097,6 +1095,157 @@ construct_uint!(U512, 8);
construct_uint!(U256, 4);
construct_uint!(U128, 2);
impl U256 {
/// Multiplies two 256-bit integers to produce full 512-bit integer
/// No overflow possible
#[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) };
let mut result: [u64; 8] = unsafe { mem::uninitialized() };
unsafe {
asm!("
mov $8, %rax
mulq $12
mov %rax, $0
mov %rdx, $1
mov $8, %rax
mulq $13
add %rax, $1
adc $$0, %rdx
mov %rdx, $2
mov $8, %rax
mulq $14
add %rax, $2
adc $$0, %rdx
mov %rdx, $3
mov $8, %rax
mulq $15
add %rax, $3
adc $$0, %rdx
mov %rdx, $4
mov $9, %rax
mulq $12
add %rax, $1
adc %rdx, $2
adc $$0, $3
adc $$0, $4
xor $5, $5
adc $$0, $5
xor $6, $6
adc $$0, $6
xor $7, $7
adc $$0, $7
mov $9, %rax
mulq $13
add %rax, $2
adc %rdx, $3
adc $$0, $4
adc $$0, $5
adc $$0, $6
adc $$0, $7
mov $9, %rax
mulq $14
add %rax, $3
adc %rdx, $4
adc $$0, $5
adc $$0, $6
adc $$0, $7
mov $9, %rax
mulq $15
add %rax, $4
adc %rdx, $5
adc $$0, $6
adc $$0, $7
mov $10, %rax
mulq $12
add %rax, $2
adc %rdx, $3
adc $$0, $4
adc $$0, $5
adc $$0, $6
adc $$0, $7
mov $10, %rax
mulq $13
add %rax, $3
adc %rdx, $4
adc $$0, $5
adc $$0, $6
adc $$0, $7
mov $10, %rax
mulq $14
add %rax, $4
adc %rdx, $5
adc $$0, $6
adc $$0, $7
mov $10, %rax
mulq $15
add %rax, $5
adc %rdx, $6
adc $$0, $7
mov $11, %rax
mulq $12
add %rax, $3
adc %rdx, $4
adc $$0, $5
adc $$0, $6
adc $$0, $7
mov $11, %rax
mulq $13
add %rax, $4
adc %rdx, $5
adc $$0, $6
adc $$0, $7
mov $11, %rax
mulq $14
add %rax, $5
adc %rdx, $6
adc $$0, $7
mov $11, %rax
mulq $15
add %rax, $6
adc %rdx, $7
"
: /* $0 */ "={r8}"(result[0]), /* $1 */ "={r9}"(result[1]), /* $2 */ "={r10}"(result[2]),
/* $3 */ "={r11}"(result[3]), /* $4 */ "={r12}"(result[4]), /* $5 */ "={r13}"(result[5]),
/* $6 */ "={r14}"(result[6]), /* $7 */ "={r15}"(result[7])
: /* $8 */ "m"(self_t[0]), /* $9 */ "m"(self_t[1]), /* $10 */ "m"(self_t[2]),
/* $11 */ "m"(self_t[3]), /* $12 */ "m"(other_t[0]), /* $13 */ "m"(other_t[1]),
/* $14 */ "m"(other_t[2]), /* $15 */ "m"(other_t[3])
: "rax", "rdx"
:
);
}
U512(result)
}
/// Multiplies two 256-bit integers to produce full 512-bit integer
/// No overflow possible
#[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);
let (result, _) = self_512.overflowing_mul(other_512);
result
}
}
impl From<U256> for U512 {
fn from(value: U256) -> U512 {
let U256(ref arr) = value;
@ -1187,6 +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};
@ -1828,5 +1980,111 @@ mod tests {
let (_, overflow) = U256([0, 0, 8, 0]).overflowing_mul(U256([0, 0, 7, 0]));
assert!(overflow);
}
#[test]
fn u256_multi_full_mul() {
let result = U256([0, 0, 0, 0]).full_mul(U256([0, 0, 0, 0]));
assert_eq!(U512([0, 0, 0, 0, 0, 0, 0, 0]), result);
let result = U256([1, 0, 0, 0]).full_mul(U256([1, 0, 0, 0]));
assert_eq!(U512([1, 0, 0, 0, 0, 0, 0, 0]), result);
let result = U256([5, 0, 0, 0]).full_mul(U256([5, 0, 0, 0]));
assert_eq!(U512([25, 0, 0, 0, 0, 0, 0, 0]), result);
let result = U256([0, 5, 0, 0]).full_mul(U256([0, 5, 0, 0]));
assert_eq!(U512([0, 0, 25, 0, 0, 0, 0, 0]), result);
let result = U256([0, 0, 0, 4]).full_mul(U256([4, 0, 0, 0]));
assert_eq!(U512([0, 0, 0, 16, 0, 0, 0, 0]), result);
let result = U256([0, 0, 0, 5]).full_mul(U256([2, 0, 0, 0]));
assert_eq!(U512([0, 0, 0, 10, 0, 0, 0, 0]), result);
let result = U256([0, 0, 2, 0]).full_mul(U256([0, 5, 0, 0]));
assert_eq!(U512([0, 0, 0, 10, 0, 0, 0, 0]), result);
let result = U256([0, 3, 0, 0]).full_mul(U256([0, 0, 3, 0]));
assert_eq!(U512([0, 0, 0, 9, 0, 0, 0, 0]), result);
let result = U256([0, 0, 8, 0]).full_mul(U256([0, 0, 6, 0]));
assert_eq!(U512([0, 0, 0, 0, 48, 0, 0, 0]), result);
let result = U256([9, 0, 0, 0]).full_mul(U256([0, 3, 0, 0]));
assert_eq!(U512([0, 27, 0, 0, 0, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, 0, 0, 0]).full_mul(U256([::std::u64::MAX, 0, 0, 0]));
assert_eq!(U512([1, ::std::u64::MAX-1, 0, 0, 0, 0, 0, 0]), result);
let result = U256([0, ::std::u64::MAX, 0, 0]).full_mul(U256([::std::u64::MAX, 0, 0, 0]));
assert_eq!(U512([0, 1, ::std::u64::MAX-1, 0, 0, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]).full_mul(U256([::std::u64::MAX, 0, 0, 0]));
assert_eq!(U512([1, ::std::u64::MAX, ::std::u64::MAX-1, 0, 0, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, 0, 0, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]));
assert_eq!(U512([1, ::std::u64::MAX, ::std::u64::MAX-1, 0, 0, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]));
assert_eq!(U512([1, 0, ::std::u64::MAX-1, ::std::u64::MAX, 0, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, 0, 0, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]));
assert_eq!(U512([1, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX-1, 0, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]).full_mul(U256([::std::u64::MAX, 0, 0, 0]));
assert_eq!(U512([1, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX-1, 0, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, 0, 0, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]));
assert_eq!(U512([1, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX-1, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]).full_mul(U256([::std::u64::MAX, 0, 0, 0]));
assert_eq!(U512([1, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX-1, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]));
assert_eq!(U512([1, 0, ::std::u64::MAX, ::std::u64::MAX-1, ::std::u64::MAX, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]));
assert_eq!(U512([1, 0, ::std::u64::MAX, ::std::u64::MAX-1, ::std::u64::MAX, 0, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]));
assert_eq!(U512([1, 0, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX-1, ::std::u64::MAX, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, 0, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]));
assert_eq!(U512([1, 0, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX-1, ::std::u64::MAX, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]));
assert_eq!(U512([1, 0, 0, ::std::u64::MAX-1, ::std::u64::MAX, ::std::u64::MAX, 0, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]));
assert_eq!(U512([1, 0, 0, ::std::u64::MAX, ::std::u64::MAX-1, ::std::u64::MAX, ::std::u64::MAX, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, 0]));
assert_eq!(U512([1, 0, 0, ::std::u64::MAX, ::std::u64::MAX-1, ::std::u64::MAX, ::std::u64::MAX, 0]), result);
let result = U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]).full_mul(U256([::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]));
assert_eq!(U512([1, 0, 0, 0, ::std::u64::MAX-1, ::std::u64::MAX, ::std::u64::MAX, ::std::u64::MAX]), result);
let result = U256([0, 0, 0, ::std::u64::MAX]).full_mul(U256([0, 0, 0, ::std::u64::MAX]));
assert_eq!(U512([0, 0, 0, 0, 0, 0, 1, ::std::u64::MAX-1]), result);
let result = U256([1, 0, 0, 0]).full_mul(U256([0, 0, 0, ::std::u64::MAX]));
assert_eq!(U512([0, 0, 0, ::std::u64::MAX, 0, 0, 0, 0]), result);
let result = U256([1, 2, 3, 4]).full_mul(U256([5, 0, 0, 0]));
assert_eq!(U512([5, 10, 15, 20, 0, 0, 0, 0]), result);
let result = U256([1, 2, 3, 4]).full_mul(U256([0, 6, 0, 0]));
assert_eq!(U512([0, 6, 12, 18, 24, 0, 0, 0]), result);
let result = U256([1, 2, 3, 4]).full_mul(U256([0, 0, 7, 0]));
assert_eq!(U512([0, 0, 7, 14, 21, 28, 0, 0]), result);
let result = U256([1, 2, 3, 4]).full_mul(U256([0, 0, 0, 8]));
assert_eq!(U512([0, 0, 0, 8, 16, 24, 32, 0]), result);
let result = U256([1, 2, 3, 4]).full_mul(U256([5, 6, 7, 8]));
assert_eq!(U512([5, 16, 34, 60, 61, 52, 32, 0]), result);
}
}

View File

@ -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");
}
}

View File

@ -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]

View File

@ -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};

View File

@ -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(),
}
}
}

View File

@ -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;
@ -304,6 +304,8 @@ macro_rules! impl_hash {
}
}
impl Copy for $from {}
#[cfg_attr(feature="dev", allow(expl_impl_clone_on_copy))]
impl Clone for $from {
fn clone(&self) -> $from {
unsafe {
@ -595,7 +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))
}
@ -631,7 +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]

View File

@ -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);

View File

@ -46,14 +46,14 @@ pub fn enumerate_geth_keys(path: &Path) -> Result<Vec<(Address, String)>, io::Er
#[derive(Debug)]
pub enum ImportError {
/// Io error reading geth file
IoError(io::Error),
Io(io::Error),
/// format error
FormatError,
Format,
}
impl From<io::Error> for ImportError {
fn from (err: io::Error) -> ImportError {
ImportError::IoError(err)
ImportError::Io(err)
}
}
@ -65,15 +65,15 @@ pub fn import_geth_key(secret_store: &mut SecretStore, geth_keyfile_path: &Path)
let mut json_result = Json::from_str(&buf);
let mut json = match json_result {
Ok(ref mut parsed_json) => try!(parsed_json.as_object_mut().ok_or(ImportError::FormatError)),
Err(_) => { return Err(ImportError::FormatError); }
Ok(ref mut parsed_json) => try!(parsed_json.as_object_mut().ok_or(ImportError::Format)),
Err(_) => { return Err(ImportError::Format); }
};
let crypto_object = try!(json.get("Crypto").and_then(|crypto| crypto.as_object()).ok_or(ImportError::FormatError)).clone();
let crypto_object = try!(json.get("Crypto").and_then(|crypto| crypto.as_object()).ok_or(ImportError::Format)).clone();
json.insert("crypto".to_owned(), Json::Object(crypto_object));
json.remove("Crypto");
match KeyFileContent::load(&Json::Object(json.clone())) {
Ok(key_file) => try!(secret_store.import_key(key_file)),
Err(_) => { return Err(ImportError::FormatError); }
Err(_) => { return Err(ImportError::Format); }
};
Ok(())
}
@ -82,7 +82,7 @@ pub fn import_geth_key(secret_store: &mut SecretStore, geth_keyfile_path: &Path)
pub fn import_geth_keys(secret_store: &mut SecretStore, geth_keyfiles_directory: &Path) -> Result<(), ImportError> {
use std::path::PathBuf;
let geth_files = try!(enumerate_geth_keys(geth_keyfiles_directory));
for &(ref address, ref file_path) in geth_files.iter() {
for &(ref address, ref file_path) in &geth_files {
let mut path = PathBuf::new();
path.push(geth_keyfiles_directory);
path.push(file_path);

View File

@ -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;
@ -144,6 +144,7 @@ pub mod network;
pub mod log;
pub mod panics;
pub mod keys;
pub mod table;
pub use common::*;
pub use misc::*;

View File

@ -376,7 +376,7 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
let entry = NodeEntry { endpoint: n.endpoint.clone(), id: n.id.clone() };
self.pinned_nodes.push(n.id.clone());
self.nodes.write().unwrap().add_node(n);
if let &mut Some(ref mut discovery) = self.discovery.lock().unwrap().deref_mut() {
if let Some(ref mut discovery) = *self.discovery.lock().unwrap().deref_mut() {
discovery.add_node(entry);
}
}
@ -697,7 +697,7 @@ impl<Message> Host<Message> where Message: Send + Sync + Clone {
let entry = NodeEntry { id: session.id().clone(), endpoint: NodeEndpoint { address: address, udp_port: address.port() } };
self.nodes.write().unwrap().add_node(Node::new(entry.id.clone(), entry.endpoint.clone()));
let mut discovery = self.discovery.lock().unwrap();
if let &mut Some(ref mut discovery) = discovery.deref_mut() {
if let Some(ref mut discovery) = *discovery.deref_mut() {
discovery.add_node(entry);
}
}

20
util/src/numbers.rs Normal file
View File

@ -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::*;

View File

@ -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::*;

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() {

254
util/src/table.rs Normal file
View File

@ -0,0 +1,254 @@
// 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/>.
//! A collection associating pair of keys (row and column) with a single value.
use std::hash::Hash;
use std::collections::HashMap;
/// Structure to hold double-indexed values
///
/// You can obviously use `HashMap<(Row,Col), Val>`, but this structure gives
/// you better access to all `Columns` in Specific `Row`. Namely you can get sub-hashmap
/// `HashMap<Col, Val>` for specific `Row`
pub struct Table<Row, Col, Val>
where Row: Eq + Hash + Clone,
Col: Eq + Hash {
map: HashMap<Row, HashMap<Col, Val>>,
}
impl<Row, Col, Val> Table<Row, Col, Val>
where Row: Eq + Hash + Clone,
Col: Eq + Hash {
/// Creates new Table
pub fn new() -> Table<Row, Col, Val> {
Table {
map: HashMap::new(),
}
}
/// Removes all elements from this Table
pub fn clear(&mut self) {
self.map.clear();
}
/// Returns length of the Table (number of (row, col, val) tuples)
pub fn len(&self) -> usize {
self.map.values().fold(0, |acc, v| acc + v.len())
}
/// Check if there is any element in this Table
pub fn is_empty(&self) -> bool {
self.map.is_empty() || self.map.values().all(|v| v.is_empty())
}
/// Get mutable reference for single Table row.
pub fn row_mut(&mut self, row: &Row) -> Option<&mut HashMap<Col, Val>> {
self.map.get_mut(row)
}
/// Checks if row is defined for that table (note that even if defined it might be empty)
pub fn has_row(&self, row: &Row) -> bool {
self.map.contains_key(row)
}
/// Get immutable reference for single row in this Table
pub fn row(&self, row: &Row) -> Option<&HashMap<Col, Val>> {
self.map.get(row)
}
/// Get element in cell described by `(row, col)`
pub fn get(&self, row: &Row, col: &Col) -> Option<&Val> {
self.map.get(row).and_then(|r| r.get(col))
}
/// Remove value from specific cell
///
/// It will remove the row if it's the last value in it
pub fn remove(&mut self, row: &Row, col: &Col) -> Option<Val> {
let (val, is_empty) = {
let row_map = self.map.get_mut(row);
if let None = row_map {
return None;
}
let mut row_map = row_map.unwrap();
let val = row_map.remove(col);
(val, row_map.is_empty())
};
// Clean row
if is_empty {
self.map.remove(row);
}
val
}
/// Remove given row from Table if there are no values defined in it
///
/// When using `#row_mut` it may happen that all values from some row are drained.
/// Table however will not be aware that row is empty.
/// You can use this method to explicitly remove row entry from the Table.
pub fn clear_if_empty(&mut self, row: &Row) {
let is_empty = self.map.get(row).map_or(false, |m| m.is_empty());
if is_empty {
self.map.remove(row);
}
}
/// Inserts new value to specified cell
///
/// Returns previous value (if any)
pub fn insert(&mut self, row: Row, col: Col, val: Val) -> Option<Val> {
self.map.entry(row).or_insert_with(|| HashMap::new()).insert(col, val)
}
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn should_create_empty_table() {
// when
let table : Table<usize, usize, bool> = Table::new();
// then
assert!(table.is_empty());
assert_eq!(table.len(), 0);
}
#[test]
fn should_insert_elements_and_return_previous_if_any() {
// given
let mut table = Table::new();
// when
let r1 = table.insert(5, 4, true);
let r2 = table.insert(10, 4, true);
let r3 = table.insert(10, 10, true);
let r4 = table.insert(10, 10, false);
// then
assert!(r1.is_none());
assert!(r2.is_none());
assert!(r3.is_none());
assert!(r4.is_some());
assert!(!table.is_empty());
assert_eq!(r4.unwrap(), true);
assert_eq!(table.len(), 3);
}
#[test]
fn should_remove_element() {
// given
let mut table = Table::new();
table.insert(5, 4, true);
assert!(!table.is_empty());
assert_eq!(table.len(), 1);
// when
let r = table.remove(&5, &4);
// then
assert!(table.is_empty());
assert_eq!(table.len() ,0);
assert_eq!(r.unwrap(), true);
}
#[test]
fn should_return_none_if_trying_to_remove_non_existing_element() {
// given
let mut table : Table<usize, usize, usize> = Table::new();
assert!(table.is_empty());
// when
let r = table.remove(&5, &4);
// then
assert!(r.is_none());
}
#[test]
fn should_clear_row_if_removing_last_element() {
// given
let mut table = Table::new();
table.insert(5, 4, true);
assert!(table.has_row(&5));
// when
let r = table.remove(&5, &4);
// then
assert!(r.is_some());
assert!(!table.has_row(&5));
}
#[test]
fn should_return_element_given_row_and_col() {
// given
let mut table = Table::new();
table.insert(1551, 1234, 123);
// when
let r1 = table.get(&1551, &1234);
let r2 = table.get(&5, &4);
// then
assert!(r1.is_some());
assert!(r2.is_none());
assert_eq!(r1.unwrap(), &123);
}
#[test]
fn should_clear_table() {
// given
let mut table = Table::new();
table.insert(1, 1, true);
table.insert(1, 2, false);
table.insert(2, 2, false);
assert_eq!(table.len(), 3);
// when
table.clear();
// then
assert!(table.is_empty());
assert_eq!(table.len(), 0);
assert_eq!(table.has_row(&1), false);
assert_eq!(table.has_row(&2), false);
}
#[test]
fn should_return_mutable_row() {
// given
let mut table = Table::new();
table.insert(1, 1, true);
table.insert(1, 2, false);
table.insert(2, 2, false);
// when
{
let mut row = table.row_mut(&1).unwrap();
row.remove(&1);
row.remove(&2);
}
assert!(table.has_row(&1));
table.clear_if_empty(&1);
// then
assert!(!table.has_row(&1));
assert_eq!(table.len(), 1);
}
}