229 lines
6.6 KiB
Rust
229 lines
6.6 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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#![warn(missing_docs)]
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#![cfg_attr(feature="dev", feature(plugin))]
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#![cfg_attr(feature="dev", plugin(clippy))]
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// Clippy settings
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// TODO [todr] not really sure
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#![cfg_attr(feature="dev", allow(needless_range_loop))]
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// Shorter than if-else
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#![cfg_attr(feature="dev", allow(match_bool))]
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// We use that to be more explicit about handled cases
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#![cfg_attr(feature="dev", allow(match_same_arms))]
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// Keeps consistency (all lines with `.clone()`) and helpful when changing ref to non-ref.
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#![cfg_attr(feature="dev", allow(clone_on_copy))]
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// In most cases it expresses function flow better
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#![cfg_attr(feature="dev", allow(if_not_else))]
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//! Ethcore-util library
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//!
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//! ### Rust version:
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//! - nightly
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//!
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//! ### Supported platforms:
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//! - OSX
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//! - Linux
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//!
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//! ### Building:
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//!
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//! - Ubuntu 14.04 and later:
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//!
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//! ```bash
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//! # install rocksdb
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//! add-apt-repository "deb http://ppa.launchpad.net/giskou/librocksdb/ubuntu trusty main"
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//! apt-get update
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//! apt-get install -y --force-yes librocksdb
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//!
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//! # install multirust
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//! curl -sf https://raw.githubusercontent.com/brson/multirust/master/blastoff.sh | sh -s -- --yes
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//!
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//! # install nightly and make it default
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//! multirust update nightly && multirust default nightly
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//!
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//! # export rust LIBRARY_PATH
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//! export LIBRARY_PATH=/usr/local/lib
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//!
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//! # download and build parity
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//! git clone https://github.com/ethcore/parity
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//! cd parity
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//! cargo build --release
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//! ```
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//!
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//! - OSX:
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//!
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//! ```bash
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//! # install rocksdb && multirust
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//! brew update
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//! brew install rocksdb
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//! brew install multirust
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//!
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//! # install nightly and make it default
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//! multirust update nightly && multirust default nightly
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//!
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//! # export rust LIBRARY_PATH
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//! export LIBRARY_PATH=/usr/local/lib
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//!
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//! # download and build parity
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//! git clone https://github.com/ethcore/parity
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//! cd parity
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//! cargo build --release
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//! ```
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extern crate slab;
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extern crate rustc_serialize;
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extern crate mio;
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extern crate rand;
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extern crate rocksdb;
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extern crate tiny_keccak;
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#[macro_use]
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extern crate heapsize;
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#[macro_use]
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extern crate lazy_static;
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#[macro_use]
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extern crate itertools;
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extern crate env_logger;
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extern crate time;
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extern crate crypto as rcrypto;
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extern crate secp256k1;
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extern crate arrayvec;
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extern crate elastic_array;
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extern crate crossbeam;
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extern crate serde;
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#[macro_use]
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extern crate log as rlog;
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extern crate igd;
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extern crate ethcore_devtools as devtools;
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extern crate libc;
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extern crate target_info;
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extern crate bigint;
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extern crate chrono;
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pub mod standard;
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#[macro_use]
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pub mod from_json;
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#[macro_use]
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pub mod common;
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pub mod numbers;
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pub mod error;
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pub mod hash;
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pub mod bytes;
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pub mod rlp;
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pub mod misc;
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pub mod using_queue;
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mod json_aid;
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pub mod vector;
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pub mod sha3;
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pub mod hashdb;
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pub mod memorydb;
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pub mod overlaydb;
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pub mod journaldb;
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pub mod kvdb;
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mod math;
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pub mod crypto;
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pub mod triehash;
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pub mod trie;
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pub mod nibbleslice;
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mod heapsizeof;
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pub mod squeeze;
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pub mod semantic_version;
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pub mod io;
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pub mod network;
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pub mod log;
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pub mod panics;
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pub mod keys;
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pub mod table;
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pub mod network_settings;
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pub use common::*;
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pub use misc::*;
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pub use using_queue::*;
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pub use json_aid::*;
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pub use rlp::*;
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pub use hashdb::*;
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pub use memorydb::*;
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pub use overlaydb::*;
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pub use journaldb::JournalDB;
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pub use math::*;
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pub use crypto::*;
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pub use triehash::*;
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pub use trie::*;
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pub use nibbleslice::*;
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pub use squeeze::*;
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pub use semantic_version::*;
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pub use network::*;
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pub use io::*;
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pub use log::*;
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pub use kvdb::*;
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#[cfg(test)]
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mod tests {
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use super::numbers::*;
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use std::str::FromStr;
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#[test]
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fn u256_multi_muls() {
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let (result, _) = U256([0, 0, 0, 0]).overflowing_mul(U256([0, 0, 0, 0]));
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assert_eq!(U256([0, 0, 0, 0]), result);
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let (result, _) = U256([1, 0, 0, 0]).overflowing_mul(U256([1, 0, 0, 0]));
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assert_eq!(U256([1, 0, 0, 0]), result);
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let (result, _) = U256([5, 0, 0, 0]).overflowing_mul(U256([5, 0, 0, 0]));
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assert_eq!(U256([25, 0, 0, 0]), result);
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let (result, _) = U256([0, 5, 0, 0]).overflowing_mul(U256([0, 5, 0, 0]));
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assert_eq!(U256([0, 0, 25, 0]), result);
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let (result, _) = U256([0, 0, 0, 1]).overflowing_mul(U256([1, 0, 0, 0]));
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assert_eq!(U256([0, 0, 0, 1]), result);
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let (result, _) = U256([0, 0, 0, 5]).overflowing_mul(U256([2, 0, 0, 0]));
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assert_eq!(U256([0, 0, 0, 10]), result);
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let (result, _) = U256([0, 0, 1, 0]).overflowing_mul(U256([0, 5, 0, 0]));
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assert_eq!(U256([0, 0, 0, 5]), result);
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let (result, _) = U256([0, 0, 8, 0]).overflowing_mul(U256([0, 0, 7, 0]));
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assert_eq!(U256([0, 0, 0, 0]), result);
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let (result, _) = U256([2, 0, 0, 0]).overflowing_mul(U256([0, 5, 0, 0]));
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assert_eq!(U256([0, 10, 0, 0]), result);
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let (result, _) = U256([1, 0, 0, 0]).overflowing_mul(U256([0, 0, 0, ::std::u64::MAX]));
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assert_eq!(U256([0, 0, 0, ::std::u64::MAX]), result);
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let x1 = U256::from_str("0000000000000000000000000000000000000000000000000000012365124623").unwrap();
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let x2sqr_right = U256::from_str("000000000000000000000000000000000000000000014baeef72e0378e2328c9").unwrap();
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let x1sqr = x1 * x1;
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assert_eq!(H256::from(x2sqr_right), H256::from(x1sqr));
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let x1cube = x1sqr * x1;
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let x1cube_right = U256::from_str("0000000000000000000000000000000001798acde139361466f712813717897b").unwrap();
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assert_eq!(H256::from(x1cube_right), H256::from(x1cube));
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let x1quad = x1cube * x1;
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let x1quad_right = U256::from_str("000000000000000000000001adbdd6bd6ff027485484b97f8a6a4c7129756dd1").unwrap();
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assert_eq!(H256::from(x1quad_right), H256::from(x1quad));
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let x1penta = x1quad * x1;
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let x1penta_right = U256::from_str("00000000000001e92875ac24be246e1c57e0507e8c46cc8d233b77f6f4c72993").unwrap();
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assert_eq!(H256::from(x1penta_right), H256::from(x1penta));
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let x1septima = x1penta * x1;
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let x1septima_right = U256::from_str("00022cca1da3f6e5722b7d3cc5bbfb486465ebc5a708dd293042f932d7eee119").unwrap();
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assert_eq!(H256::from(x1septima_right), H256::from(x1septima));
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}
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}
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