fix ffi code

consensus/cryptonight-rs/src/lib.rs

@@ -4,7 +4,7 @@ use libc::{c_char, c_int, c_void, size_t};
 extern "C" {
     fn cryptonight_hash(
         data: *const c_char,
-        hash: *const c_char,
+        hash: *mut c_char,
         length: size_t,
         variant: c_int,
         height: u64,
@@ -13,16 +13,17 @@ extern "C" {
 
 #[link(name = "cryptonight", kind = "static")]
 extern "C" {
-    fn hash_extra_jh(data: *const c_char, length: size_t, hash: *const c_char) -> c_void;
+    fn hash_extra_jh(data: *const c_char, length: size_t, hash: *mut c_char) -> c_void;
 }
 const VARIANT: i32 = 4;
 const HEIGHT: u64 = 0;
 
+// https://github.com/paritytech/rust-snappy/blob/master/snappy-sys/src/lib.rs#L19
 #[allow(clippy::unsound_collection_transmute)]
 pub fn cryptonight_r(data: &[u8], size: usize) -> Vec<u8> {
-    let hash: Vec<i8> = vec![0i8; 32];
+    let mut hash: Vec<i8> = vec![0i8; 32];
     let data_ptr: *const c_char = data.as_ptr() as *const c_char;
-    let hash_ptr: *const c_char = hash.as_ptr() as *const c_char;
+    let hash_ptr: *mut c_char = hash.as_mut_ptr() as *mut c_char;
     let mut hash = unsafe {
         cryptonight_hash(data_ptr, hash_ptr, size, VARIANT, HEIGHT);
         std::mem::transmute::<Vec<i8>, Vec<u8>>(hash)
@@ -33,9 +34,9 @@ pub fn cryptonight_r(data: &[u8], size: usize) -> Vec<u8> {
 
 #[allow(clippy::unsound_collection_transmute)]
 pub fn hash_extra_jh_r(data: &[u8], size: usize) -> Vec<u8> {
-    let hash: Vec<i8> = vec![0i8; 32];
+    let mut hash: Vec<i8> = vec![0i8; 32];
     let data_ptr: *const c_char = data.as_ptr() as *const c_char;
-    let hash_ptr: *const c_char = hash.as_ptr() as *const c_char;
+    let hash_ptr: *mut c_char = hash.as_mut_ptr() as *mut c_char;
     let mut hash = unsafe {
         hash_extra_jh(data_ptr, size, hash_ptr);
         std::mem::transmute::<Vec<i8>, Vec<u8>>(hash)

scripts/verify_header.sh

@@ -31,15 +31,13 @@ function download() {
 }
 
 function usage() {
-  echo -e "usage: verify_header.sh net to_dir"
+  echo -e "usage: verify_header.sh net"
   echo -e "net is main, barnard, proxima, halley"
-  echo -e "to_dir like ~/.starcoin/main，~/.starcoin/barnard"
 }
 
-function import_block() {
+function verify_header() {
   net=$1
   block_list=$2
-  to_dir=$3
 
   download "$net" "$block_list"
 
@@ -62,15 +60,14 @@ function import_block() {
   echo -e "$net verify-header succ"
 }
 
-if [ $# != 2 ]; then
+if [ $# != 1 ]; then
   usage
   exit 1
 fi
 net=$1
-to_dir=$2
 case $net in
 "main" | "barnard" | "proxima" |"halley")
-  import_block "$net" block_list.csv "$to_dir"
+  verify_header "$net" block_list.csv
   ;;
 *)
   echo "$net not supported"