Merge branch 'windows'

.appveyor.yml

@@ -17,6 +17,7 @@ platform:
   - x64
 
 install:
+  - git submodule update --init --recursive
   - setlocal EnableExtensions EnableDelayedExpansion
 
   - IF "%PLATFORM%" == "x86" (

nim.cfg

@@ -1,10 +1,10 @@
-# https://github.com/nim-lang/Nim/issues/8294#issuecomment-454556051
 --threads:on
 --opt:speed
 
 @if windows:
+  # https://github.com/nim-lang/Nim/issues/8294#issuecomment-454556051
   -d:"chronicles_colors=NoColors"
-@else
-  # -d:withLibP2P
+  # increase stack size
+  --passL:"-Wl,--stack,8388608"
 @end
 

tests/official/test_fixture_state.nim

@@ -15,12 +15,12 @@ import
   ./state_test_utils
 
 const TestFolder = currentSourcePath.rsplit(DirSep, 1)[0]
-const TestsPath = "/fixtures/json_tests/state/sanity-check_default-config_100-vals-first_test.json"
+const TestsPath = "fixtures" / "json_tests" / "state" / "sanity-check_default-config_100-vals-first_test.json"
 
 suite "Official - State tests": # Initializing a beacon state from the deposits
   var stateTests: StateTest
   test "Parsing the official state tests into Nimbus beacon types":
-    stateTests = parseStateTests(TestFolder & TestsPath)
+    stateTests = parseStateTests(TestFolder / TestsPath)
     doAssert $stateTests.test_cases[0].name == "test_empty_block_transition"
   var initialState: BeaconState
   test "Initializing from scratch a new beacon chain with the same constants and deposit configuration as official state":