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Remove bytes dependency from shuffling

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This commit is contained in:
Paul Hauner 2019-05-23 23:34:49 +10:00
parent 514ac23724
commit 31a7a0614e
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2 changed files with 4 additions and 6 deletions
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1
eth2/utils/swap_or_not_shuffle/Cargo.toml
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@ -15,6 +15,5 @@ hex = "0.3"
ethereum-types = "0.5"
[dependencies]
bytes = "0.4"
hashing = { path = "../hashing" }
int_to_bytes = { path = "../int_to_bytes" }

9
eth2/utils/swap_or_not_shuffle/src/shuffle_list.rs
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@ -1,7 +1,5 @@
use bytes::Buf;
use hashing::hash;
use int_to_bytes::int_to_bytes4;
use std::io::Cursor;
const SEED_SIZE: usize = 32;
const ROUND_SIZE: usize = 1;
@ -117,9 +115,10 @@ pub fn shuffle_list(
Some(input)
}
fn bytes_to_int64(bytes: &[u8]) -> u64 {
let mut cursor = Cursor::new(bytes);
cursor.get_u64_le()
fn bytes_to_int64(slice: &[u8]) -> u64 {
let mut bytes = [0; 8];
bytes.copy_from_slice(&slice[0..8]);
u64::from_le_bytes(bytes)
}
#[cfg(test)]