Migrate from Travis CI to Github Actions

.github/scripts/build.sh

@@ -0,0 +1,25 @@
+# Install OpenEnclave 0.9.0
+echo 'deb [arch=amd64] https://download.01.org/intel-sgx/sgx_repo/ubuntu bionic main' | sudo tee /etc/apt/sources.list.d/intel-sgx.list
+wget -qO - https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key | sudo apt-key add -
+echo "deb http://apt.llvm.org/bionic/ llvm-toolchain-bionic-7 main" | sudo tee /etc/apt/sources.list.d/llvm-toolchain-bionic-7.list
+wget -qO - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+echo "deb [arch=amd64] https://packages.microsoft.com/ubuntu/18.04/prod bionic main" | sudo tee /etc/apt/sources.list.d/msprod.list
+wget -qO - https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
+
+sudo apt update
+sudo apt -y install clang-7 libssl-dev gdb libsgx-enclave-common libsgx-enclave-common-dev libprotobuf10 libsgx-dcap-ql libsgx-dcap-ql-dev az-dcap-client open-enclave=0.9.0
+
+# Install Opaque Dependencies
+sudo apt -y install wget build-essential openjdk-8-jdk python libssl-dev
+
+wget https://github.com/Kitware/CMake/releases/download/v3.15.6/cmake-3.15.6-Linux-x86_64.sh
+sudo bash cmake-3.15.6-Linux-x86_64.sh --skip-license --prefix=/usr/local
+
+# Generate keypair for attestation
+openssl genrsa -out ./private_key.pem -3 3072
+
+source opaqueenv
+source /opt/openenclave/share/openenclave/openenclaverc
+export MODE=SIMULATE
+
+build/sbt test

.github/workflows/main.yml

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+name: CI
+
+# Controls when the action will run. 
+on:
+  # Triggers the workflow on push or pull request events but only for the master branch
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  build:
+    # Define the OS to run on
+    runs-on: ubuntu-18.04
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+      # Specify the version of Java that is installed
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '8'
+      # Caching (from https://www.scala-sbt.org/1.x/docs/GitHub-Actions-with-sbt.html)
+      - uses: coursier/cache-action@v5
+      # Run the test
+      - name: Install dependencies, set environment variables, and run sbt tests
+        run: |
+          ./.github/scripts/build.sh
+
+          rm -rf "$HOME/.ivy2/local" || true
+          find $HOME/Library/Caches/Coursier/v1        -name "ivydata-*.properties" -delete || true
+          find $HOME/.ivy2/cache                       -name "ivydata-*.properties" -delete || true
+          find $HOME/.cache/coursier/v1                -name "ivydata-*.properties" -delete || true
+          find $HOME/.sbt                              -name "*.lock"               -delete || true
+        shell: bash
+