Run London fork tests

Author: carver

.circleci/config.yml

@@ -82,6 +82,12 @@ jobs:
       - image: circleci/python:3.6
         environment:
           TOXENV: py36-native-blockchain-istanbul
+  py36-native-blockchain-london:
+    <<: *common
+    docker:
+      - image: circleci/python:3.6
+        environment:
+          TOXENV: py36-native-blockchain-london
   py36-native-blockchain-petersburg:
     <<: *common
     docker:
@@ -247,6 +253,7 @@ workflows:
       - py36-native-blockchain-frontier
       - py36-native-blockchain-homestead
       - py36-native-blockchain-istanbul
+      - py36-native-blockchain-london
       - py36-native-blockchain-petersburg
       - py36-native-blockchain-tangerine_whistle
       - py36-native-blockchain-spurious_dragon

tox.ini

@@ -2,7 +2,7 @@
 envlist=
     py{36,37,38,39}-{core,database,transactions,vm}
     py36-benchmark
-    py36-native-blockchain-{frontier,homestead,tangerine_whistle,spurious_dragon,byzantium,constantinople,petersburg,istanbul,berlin,metropolis,transition}
+    py36-native-blockchain-{frontier,homestead,tangerine_whistle,spurious_dragon,byzantium,constantinople,petersburg,istanbul,berlin,london,metropolis,transition}
     py{36,37,38,39}-lint
     py36-docs
 
@@ -35,6 +35,7 @@ commands=
     native-blockchain-petersburg: pytest {posargs:tests/json-fixtures/blockchain/test_blockchain.py --fork ConstantinopleFix}
     native-blockchain-istanbul: pytest {posargs:tests/json-fixtures/blockchain/test_blockchain.py --fork Istanbul}
     native-blockchain-berlin: pytest {posargs:tests/json-fixtures/blockchain/test_blockchain.py --fork Berlin}
+    native-blockchain-london: pytest {posargs:tests/json-fixtures/blockchain/test_blockchain.py --fork London}
     native-blockchain-metropolis: pytest {posargs:tests/json-fixtures/blockchain/test_blockchain.py --fork Metropolis}
     native-blockchain-transition: pytest {posargs:tests/json-fixtures/blockchain/test_blockchain.py -k TransitionTests --tx '2*popen//execmodel=eventlet'}
     lint: flake8 {toxinidir}/eth {toxinidir}/tests {toxinidir}/scripts