Add GHA

.github/workflows/test.yml

@@ -0,0 +1,13 @@
+name: Test
+on: [push, pull_request]
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build --verbose
+    - name: Run tests
+      run: cargo test --verbose

.travis.yml

@@ -1,9 +0,0 @@
-language: rust
-rust:
-- stable
-
-cache:
-- cargo
-
-script:
-- RUST_BACKTRACE=1 cargo test --all

README.md

@@ -1,4 +1,5 @@
-# poseidon-rs [![Crates.io](https://img.shields.io/crates/v/poseidon-rs.svg)](https://crates.io/crates/poseidon-rs) [![Build Status](https://travis-ci.org/arnaucube/poseidon-rs.svg?branch=master)](https://travis-ci.org/arnaucube/poseidon-rs)
+# poseidon-rs [![Crates.io](https://img.shields.io/crates/v/poseidon-rs.svg)](https://crates.io/crates/poseidon-rs) [![Test](https://github.com/arnaucube/poseidon-rs/workflows/Test/badge.svg)](https://github.com/arnaucube/poseidon-rs/actions?query=workflow%3ATest)
+
 Poseidon hash implementation in Rust, a zkSNARK friendly hash function.
 
 https://eprint.iacr.org/2019/458.pdf