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ethcore does not use byteorder (#10829)

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This commit is contained in:
Marek Kotewicz 2019-07-02 15:06:27 +08:00 committed by Andronik Ordian
parent 5dc5be1e58
commit 9d9e2b43f2
5 changed files with 12 additions and 13 deletions
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1
Cargo.lock generated
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@ -867,7 +867,6 @@ dependencies = [
"ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
"blooms-db 0.1.0",
"bn 0.4.4 (git+https://github.com/paritytech/bn)",
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"common-types 0.1.0",
"criterion 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
"crossbeam 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",

1
ethcore/Cargo.toml
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@ -10,7 +10,6 @@ authors = ["Parity Technologies <admin@parity.io>"]
ansi_term = "0.11"
blooms-db = { path = "../util/blooms-db", optional = true }
bn = { git = "https://github.com/paritytech/bn", default-features = false }
byteorder = "1.0"
common-types = { path = "types" }
crossbeam = "0.4"
derive_more = "0.14.0"

5
ethcore/src/builtin.rs
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@ -19,7 +19,6 @@
use std::cmp::{max, min};
use std::io::{self, Read};
use byteorder::{ByteOrder, BigEndian};
use parity_crypto::digest;
use num::{BigUint, Zero, One};
@ -369,7 +368,9 @@ impl Impl for ModexpImpl {
// but so would running out of addressable memory!
let mut read_len = |reader: &mut io::Chain<&[u8], io::Repeat>| {
reader.read_exact(&mut buf[..]).expect("reading from zero-extended memory cannot fail; qed");
BigEndian::read_u64(&buf[24..]) as usize
let mut len_bytes = [0u8; 8];
len_bytes.copy_from_slice(&buf[24..]);
u64::from_be_bytes(len_bytes) as usize
};
let base_len = read_len(&mut reader);

1
ethcore/src/lib.rs
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@ -55,7 +55,6 @@
extern crate ansi_term;
extern crate bn;
extern crate byteorder;
extern crate common_types as types;
extern crate crossbeam;
extern crate ethabi;

17
ethcore/src/state_db.rs
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@ -21,7 +21,6 @@ use std::io;
use std::sync::Arc;
use bloom_journal::{Bloom, BloomJournal};
use byteorder::{LittleEndian, ByteOrder};
use db::COL_ACCOUNT_BLOOM;
use ethereum_types::{H256, Address};
use hash::keccak;
@ -169,11 +168,15 @@ impl StateDB {
let hash_count = hash_count_bytes[0];
let mut bloom_parts = vec![0u64; ACCOUNT_BLOOM_SPACE / 8];
let mut key = [0u8; 8];
for i in 0..ACCOUNT_BLOOM_SPACE / 8 {
LittleEndian::write_u64(&mut key, i as u64);
let key: [u8; 8] = (i as u64).to_le_bytes();
bloom_parts[i] = db.get(COL_ACCOUNT_BLOOM, &key).expect("low-level database error")
.and_then(|val| Some(LittleEndian::read_u64(&val[..])))
.map(|val| {
assert!(val.len() == 8, "low-level database error");
let mut buff = [0u8; 8];
buff.copy_from_slice(&*val);
u64::from_le_bytes(buff)
})
.unwrap_or(0u64);
}
@ -186,12 +189,10 @@ impl StateDB {
pub fn commit_bloom(batch: &mut DBTransaction, journal: BloomJournal) -> io::Result<()> {
assert!(journal.hash_functions <= 255);
batch.put(COL_ACCOUNT_BLOOM, ACCOUNT_BLOOM_HASHCOUNT_KEY, &[journal.hash_functions as u8]);
let mut key = [0u8; 8];
let mut val = [0u8; 8];
for (bloom_part_index, bloom_part_value) in journal.entries {
LittleEndian::write_u64(&mut key, bloom_part_index as u64);
LittleEndian::write_u64(&mut val, bloom_part_value);
let key: [u8; 8] = (bloom_part_index as u64).to_le_bytes();
let val: [u8; 8] = bloom_part_value.to_le_bytes();
batch.put(COL_ACCOUNT_BLOOM, &key, &val);
}
Ok(())