add circleci config

.circleci/config.yml

@@ -0,0 +1,59 @@
+jdk: &jdk
+  image: circleci/openjdk:10-jdk-node
+
+just_jdk: &jdk_image
+  docker:
+    - *jdk
+
+rc: &rc
+  restore_cache:
+    keys:
+      - sbtcache004-{{ checksum "build.sbt" }}
+
+sc: &sc
+  save_cache:
+    paths:
+      - ~/.m2
+      - ~/.ivy2
+      - ~/.sbt
+      - ~/.cargo
+      - ~/.rustup
+    key: sbtcache004-{{ checksum "build.sbt" }}
+
+rustup: &rustup
+  - run: |
+      curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain nightly-2019-09-23
+      ~/.cargo/bin/rustup toolchain install nightly-2019-09-23 # in case some other toolchain was already installed
+      ~/.cargo/bin/rustup target add wasm32-unknown-unknown --toolchain nightly-2019-09-23
+
+version: 2
+jobs:
+  Scala tests:
+    <<: *jdk_image
+    resource_class: medium+
+    steps:
+      - checkout
+      - <<: *rc
+      - <<: *rustup
+      - run: PATH="$PATH:$HOME/.cargo/bin" SBT_OPTS="-XX:MaxMetaspaceSize=4096M -Xms5120M -Xmx5120M -Xss6M" sbt -v clean test:compile
+      # LD_LIBRARY_PATH is needed because setting java.library.path with javaOptions isn't working for CircleCI
+      - run: PATH="$PATH:$HOME/.cargo/bin" LD_LIBRARY_PATH="$HOME/project/vm/frank/target/release" sbt -v test
+      - <<: *sc
+
+  Integration tests:
+    <<: *jdk_image
+    resource_class: medium+
+    steps:
+      - checkout
+      - <<: *rc
+      - <<: *rustup
+      - run: PATH="$PATH:$HOME/.cargo/bin" SBT_OPTS="-XX:MaxMetaspaceSize=4096M -Xms5120M -Xmx5120M -Xss6M" sbt -v clean test:compile
+      # LD_LIBRARY_PATH is needed because setting java.library.path with javaOptions isn't working for CircleCI
+      - run: PATH="$PATH:$HOME/.cargo/bin" LD_LIBRARY_PATH="$HOME/project/vm/frank/target/release" sbt -v it:test
+
+workflows:
+  version: 2
+  fluence:
+    jobs:
+      - Scala tests
+      - Integration tests