Add a nightly build to circleci which runs even the slow blockchain tests

.circleci/config.yml

@@ -205,6 +205,12 @@ jobs:
       - image: circleci/python:3.6
         environment:
           TOXENV: py36-native-blockchain-transition
+  py36-all-blockchain-tests:
+    <<: *common
+    docker:
+      - image: circleci/python:3.6
+        environment:
+          TOXENV: py36-all-blockchain-tests
   py36-rpc-state-byzantium:
     <<: *common
     docker:
@@ -330,6 +336,16 @@ jobs:
 
 workflows:
   version: 2
+  nightly:
+    triggers:
+      - schedule:
+          cron: "0 0 * * *"
+          filters:
+            branches:
+              only:
+                - master
+    jobs:
+     - py36-all-blockchain-tests
   test:
     jobs:
       - py36-docs

tox.ini

@@ -2,7 +2,7 @@
 envlist=
     py{35,36}-{core,database,transactions,vm}
     py{36}-{benchmark,p2p,trinity,lightchain_integration,beacon}
-    py{36}-rpc-blockchain
+    py{36}-{rpc-blockchain,all-blockchain-tests}
     py{36}-rpc-state-{frontier,homestead,eip150,eip158,byzantium,quadratic}
     py{35,36}-native-blockchain-{frontier,homestead,eip150,eip158,byzantium,constantinople,metropolis,transition}
     py37-{core,trinity,trinity-integration,beacon}
@@ -43,6 +43,7 @@ commands=
     native-blockchain-constantinople: pytest {posargs:tests/json-fixtures/test_blockchain.py --fork Constantinople}
     native-blockchain-metropolis: pytest {posargs:tests/json-fixtures/test_blockchain.py --fork Metropolis}
     native-blockchain-transition: pytest {posargs:tests/json-fixtures/test_blockchain.py -k BlockchainTests/TransitionTests}
+    all-blockchain-tests: TRAVIS_EVENT_TYPE=cron pytest {posargs:tests/json-fixtures/test_blockchain.py}
     lightchain_integration: pytest --integration {posargs:tests/trinity/integration/test_lightchain_integration.py}
 
 deps = .[p2p,trinity,eth-extra,test]