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Create Basedb class to wrap db object #3

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Create Basedb class to wrap db object #3

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23 changes: 23 additions & 0 deletions evm/vm/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,29 @@
get_block_header_by_hash,
)

from evm.db.backends.base import (
BaseDB
)


class DBWrapper(BaseDB):
"""
Wraps BaseDB class for read only properties
"""

def __init__(self, db):
self._db = db

@property
def db(self):
return self._db

def get(self, key):
return self._db[key]

def exists(self, key):
return key in self._db[key]


class VM(object):
"""
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