import synapse.lib.crypto.coin as s_coin
import synapse.lib.stormtypes as s_stormtypes
[docs]@s_stormtypes.registry.registerLib
class EthereumLib(s_stormtypes.Lib):
'''
A Storm library which implements helpers for Ethereum.
'''
_storm_locals = (
{'name': 'eip55', 'desc': 'Convert an Ethereum address to a checksummed address.',
'type': {'type': 'function', '_funcname': 'eip55',
'args': (
{'name': 'addr', 'type': 'str', 'desc': 'The Ethereum address to be converted.'},
),
'returns': {'type': 'list',
'desc': 'A list of (<bool>, <addr>) for status and checksummed address.', },
}},
)
_storm_lib_path = ('crypto', 'coin', 'ethereum')
[docs] def getObjLocals(self):
return {
'eip55': self.eip55,
}
[docs] @s_stormtypes.stormfunc(readonly=True)
async def eip55(self, addr):
addr = await s_stormtypes.tostr(addr)
addr = addr.lower()
if addr.startswith('0x'):
addr = addr[2:]
csum = s_coin.ether_eip55(addr)
if csum is not None:
return (True, csum)
return (False, None)