feat: add slither and unit test run

.gitignore

@@ -4,3 +4,4 @@ dist/
 build/
 gmon.out
 *.egg-info
+.venv/

.gitlab-ci.yml

@@ -0,0 +1,26 @@
+stages:
+  - test
+  - slither-analyzer
+
+test:
+  image: registry.gitlab.com/grassrootseconomics/cic-base-images/ci-solc-py-alpine:latest
+  cache:
+  - key:
+      files:
+        - requirements.txt 
+        - test_requirements.txt
+    paths:
+      -  /root/.cache/pip 
+  script: 
+    - cd python 
+    - pip install --extra-index-url https://pip.grassrootseconomics.net:8433 -r test_requirements.txt 
+    - pip install --extra-index-url https://pip.grassrootseconomics.net:8433 -r test_requirements.txt 
+    - bash run_tests.sh
+
+
+slither-analize:
+  image: registry.gitlab.com/grassrootseconomics/cic-base-images/ci-solc-py-alpine:latest
+  script: 
+    - pip install slither-analyzer 
+    - slither solidity/
+

Dockerfile

@@ -5,7 +5,8 @@ FROM python:3.8.6-alpine
 COPY --from=0 /usr/bin/solc /usr/bin/solc
 
 RUN apk update &&\
-	apk add gcc bash musl-dev
+	apk add gcc bash musl-dev libffi-dev openssl-dev autoconf automake build-base \
+  libtool pkgconfig python3-dev cargo
 
 WORKDIR /usr/src
 
@@ -14,6 +15,8 @@ WORKDIR /usr/src
 COPY ./solidity/ /usr/src/giftable_erc20_token/solidity/
 COPY ./python/ /usr/src/giftable_erc20_token/python/
 
+RUN chmod +x ./python/run_tests.sh
+
 RUN cd giftable_erc20_token/solidity && \
 	solc GiftableToken.sol --abi | awk 'NR>3' > GiftableToken.abi.json
 
@@ -24,5 +27,7 @@ RUN cd giftable_erc20_token/solidity && \
 RUN cd giftable_erc20_token/python && \
 	pip install --extra-index-url https://pip.grassrootseconomics.net:8433 .
 
+RUN pip install slither-analyzer
+
 # To deploy:
 # giftable-token-deploy --contracts-dir giftable_erc20_token/solidity/ <amount>