From 167ec2277cb5072b62edfbfd68c427eef8c57e11 Mon Sep 17 00:00:00 2001
From: jiangyuanshu <317787106@qq.com>
Date: Thu, 21 May 2020 12:48:44 +0800
Subject: [PATCH] add rust-crypto

---
 Cargo.toml        | 1 +
 src/bin/beacon.rs | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 3c523b2..b520f86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,6 +29,7 @@ phase2 = "0.2.1"
 pairing = "0.14"
 rand = "0.4"
 blake2-rfc = "0.2"
+rust-crypto = "0.2"
 
 [dependencies.byteorder]
 version = "1"
diff --git a/src/bin/beacon.rs b/src/bin/beacon.rs
index f42b1c0..94c37ad 100644
--- a/src/bin/beacon.rs
+++ b/src/bin/beacon.rs
@@ -7,6 +7,8 @@ extern crate byteorder;
 #[macro_use]
 extern crate hex_literal;
 
+extern crate crypto;
+
 use std::fs::File;
 use std::io::{BufWriter, BufReader};
 use blake2_rfc::blake2b::Blake2b;
@@ -32,6 +34,8 @@ fn main() {
         use byteorder::{ReadBytesExt, BigEndian};
         use rand::{SeedableRng};
         use rand::chacha::ChaChaRng;
+        use crypto::sha2::Sha256;
+        use crypto::digest::Digest;
 
         // Place block hash here (block number #631130)
         let mut beacon_value: [u8; 32] = hex!("00000000000000000008de28ff08672c5b85add6d51024b90fa9424dadc82691");
@@ -45,7 +49,7 @@ fn main() {
             // parallelized
             if i % (1u64<<(N-10)) == 0 {
                 print!("{}: ", i);
-                for b in cur_hash.iter() {
+                for b in beacon_value.iter() {
                     print!("{:02x}", b);
                 }
                 println!("");