github/consensus-specs
1
1
Fork 0
mirror of https://github.com/ethereum/consensus-specs.git synced 2026-02-02 11:35:01 -05:00
Code Issues Packages Projects Releases Wiki Activity

deal with deepcopy modifying vector length from 0 to full length during copy

Browse Source
This commit is contained in:
protolambda
2019-06-20 21:12:46 +02:00
parent 8bd204827b
commit b4ef672f87
1 changed files with 6 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
test_libs/pyspec/eth2spec/utils/ssz/ssz_typing.py
View File

@@ -349,7 +349,12 @@ class Vector(BaseList):
return cls.elem_type.is_fixed_size()
def append(self, v):
raise Exception("cannot modify vector length")
# Deep-copy and other utils like to change the internals during work.
# Only complain if we had the right size.
if len(self) == self.__class__.length:
raise Exception("cannot modify vector length")
else:
super().append(v)
def pop(self, *args):
raise Exception("cannot modify vector length")