chainlib-eth/chainlib/eth/src.py

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# standard imports
import logging
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import json
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# external imports
from potaahto.symbols import snake_and_camel
from hexathon import (
uniform,
strip_0x,
)
# local imports
from chainlib.src import (
Src as BaseSrc,
SrcItem,
)
logg = logging.getLogger(__name__)
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class Src(BaseSrc):
@classmethod
def src_normalize(self, v):
src = snake_and_camel(v)
logg.debug('normalize has {}'.format(src))
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if isinstance(src.get('v'), str):
try:
src['v'] = int(src['v'])
except ValueError:
src['v'] = int(src['v'], 16)
return src
def normal(self, v, typ=SrcItem.AUTO):
if typ == SrcItem.SRC:
return self.src_normalize(v)
if typ == SrcItem.HASH:
v = strip_0x(v, pad=False)
v = uniform(v, compact_value=True)
elif typ == SrcItem.ADDRESS:
v = strip_0x(v, pad=False)
v = uniform(v, compact_value=True)
elif typ == SrcItem.PAYLOAD:
v = strip_0x(v, pad=False, allow_empty=True)
v = uniform(v, compact_value=False, allow_empty=True)
return v
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def __repr__(self):
return json.dumps(self.src)