upgrade to use crates.io (#32)

.github/workflows/rust.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Install
-      run: rustup default nightly-2020-09-15
+      run: rustup default nightly-2021-01-03
     - name: Build
       run: cargo build --verbose
     - name: Run tests

Cargo.toml

@@ -10,13 +10,8 @@ repository = "https://github.com/microsoft/Spartan"
 license-file = "LICENSE"
 keywords = ["zkSNARKs", "cryptography", "proofs"]
 
-[dependencies.curve25519-dalek]
-features = ["serde", "simd_backend"]
-#version = "3"
-git = "https://github.com/dalek-cryptography/curve25519-dalek"
-rev = "a787300ba169ae035bcdf2d540cf2b61b950405c"
-
 [dependencies]
+curve25519-dalek = {version = "3.0.0", features = ["serde", "simd_backend"]}
 merlin = "2.0.0"
 rand = "0.7.3"
 digest = "0.8.1"