Merge pull request #50 from ZenGo-X/curv-0.7

Use curv from crates.io and bump version

Author: omershlo

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "class_group"
-version = "0.5.1"
+version = "0.5.2"
 authors = ["omershlo <[email protected]>"]
 edition = "2018"
 links = "libpari"
@@ -16,10 +16,7 @@ serde_derive = "1.0"
 serde_json = "1.0"
 ring-algorithm = "0.2.3"
 num-traits = "0.2"
-
-[dependencies.curv]
-git = "https://github.com/KZen-networks/curv"
-tag = "v0.6.2"
+curv = { package = "curv-kzen", version = "0.7" }
 
 [dev-dependencies]
 criterion = ">=0.2"

src/lib.rs

@@ -17,7 +17,7 @@ use libc::c_char;
 use std::ffi::CStr;
 use std::mem::swap;
 use std::ops::Neg;
-use std::str;
+use std::{str, ptr};
 
 pub mod primitives;
 
@@ -172,8 +172,7 @@ impl BinaryQF {
         let pari_qf = self.qf_to_pari_qf();
         let pari_n = bn_to_gen(n);
 
-        let mut v = unsafe { std::mem::MaybeUninit::uninit().assume_init() };
-        let pari_qf_exp = unsafe { nupow(pari_qf, pari_n, &mut v) };
+        let pari_qf_exp = unsafe { nupow(pari_qf, pari_n, ptr::null_mut()) };
         let qf_exp = BinaryQF::pari_qf_to_qf(pari_qf_exp);
         qf_exp
     }