Updates for almost v0.8

.circleci/config.yml

@@ -40,6 +40,7 @@ common: &common
           - ~/.cache/pip
           - ~/.local
           - ./eggs
+          - .pytest_cache/v/eth2/bls/key-cache
         key: cache-v1-{{ arch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "setup.py" }}-{{ checksum "tox.ini" }}
 
 geth_steps: &geth_steps
@@ -304,12 +305,18 @@ jobs:
       - image: circleci/python:3.6
         environment:
           TOXENV: py36-wheel-cli
-  py36-plugins:
+  py36-eth1-plugins:
     <<: *common
     docker:
       - image: circleci/python:3.6
         environment:
-          TOXENV: py36-plugins
+          TOXENV: py36-eth1-plugins
+  py36-eth2-plugins:
+    <<: *common
+    docker:
+      - image: circleci/python:3.6
+        environment:
+          TOXENV: py36-eth2-plugins
 
   py37-rpc-state-quadratic:
     <<: *common
@@ -384,12 +391,18 @@ jobs:
       - image: circleci/python:3.7
         environment:
           TOXENV: py37-wheel-cli
-  py37-plugins:
+  py37-eth1-plugins:
+    <<: *common
+    docker:
+      - image: circleci/python:3.7
+        environment:
+          TOXENV: py37-eth1-plugins
+  py37-eth2-plugins:
     <<: *common
     docker:
       - image: circleci/python:3.7
         environment:
-          TOXENV: py37-plugins
+          TOXENV: py37-eth2-plugins
 
   docker-image-build-test:
     machine: true
@@ -408,11 +421,12 @@ workflows:
       - py37-wheel-cli
       - py37-p2p
       - py37-eth2-core
-      - py37-eth2-fixtures
+      # temporarily disable fixtures tests while we update
+      # - py37-eth2-fixtures
       - py37-eth2-integration
+      - py37-eth2-plugins
       # - py37-libp2p
-      - py37-bls-bindings
-      - py37-plugins
+      - py37-eth1-plugins
 
       - py37-rpc-state-quadratic
       - py37-rpc-state-sstore
@@ -431,11 +445,12 @@ workflows:
       - py36-wheel-cli
       - py36-p2p
       - py36-eth2-core
-      - py36-eth2-fixtures
+      # temporarily disable fixtures tests while we update
+      # - py36-eth2-fixtures
       - py36-eth2-integration
+      - py36-eth2-plugins
       # - py36-libp2p
-      - py36-bls-bindings
-      - py36-plugins
+      - py36-eth1-plugins
 
       - py36-integration
       - py36-lightchain_integration

eth2/_utils/numeric.py

@@ -14,16 +14,6 @@ def bitwise_xor(a: Hash32, b: Hash32) -> Hash32:
     return Hash32(result)
 
 
-def is_power_of_two(value: int) -> bool:
-    """
-    Check if ``value`` is a power of two integer.
-    """
-    if value == 0:
-        return False
-    else:
-        return bool(value and not (value & (value - 1)))
-
-
 def integer_squareroot(value: int) -> int:
     """
     Return the integer square root of ``value``.

eth2/_utils/tuple.py

@@ -1,4 +1,6 @@
 from typing import (
+    Any,
+    Callable,
     Tuple,
     TypeVar,
 )
@@ -11,16 +13,19 @@
 VType = TypeVar('VType')
 
 
-def update_tuple_item(tuple_data: Tuple[VType, ...],
-                      index: int,
-                      new_value: VType) -> Tuple[VType, ...]:
+def update_tuple_item_with_fn(tuple_data: Tuple[VType, ...],
+                              index: int,
+                              fn: Callable[[VType, Any], VType],
+                              *args: Any) -> Tuple[VType, ...]:
     """
-    Update the ``index``th item of ``tuple_data`` to ``new_value``
+    Update the ``index``th item of ``tuple_data`` to the result of calling ``fn`` on the existing
+    value.
     """
     list_data = list(tuple_data)
 
     try:
-        list_data[index] = new_value
+        old_value = list_data[index]
+        list_data[index] = fn(old_value, *args)
     except IndexError:
         raise ValidationError(
             "the length of the given tuple_data is {}, the given index {} is out of index".format(
@@ -30,3 +35,16 @@ def update_tuple_item(tuple_data: Tuple[VType, ...],
         )
     else:
         return tuple(list_data)
+
+
+def update_tuple_item(tuple_data: Tuple[VType, ...],
+                      index: int,
+                      new_value: VType) -> Tuple[VType, ...]:
+    """
+    Update the ``index``th item of ``tuple_data`` to ``new_value``
+    """
+    return update_tuple_item_with_fn(
+        tuple_data,
+        index,
+        lambda *_: new_value
+    )