cic-cli/cic/ext/eth/__init__.py

69 lines
2.1 KiB
Python

# standard imports
import logging
import copy
# external imports
from chainlib.chain import ChainSpec
from chainlib.eth.tx import TxFormat
from chainlib.eth.connection import RPCConnection
from eth_token_index import TokenUniqueSymbolIndex
logg = logging.getLogger(__name__)
class CICEth:
def __init__(self, chain_spec, resources, proofs, signer=None, rpc=None, nonce_oracle=None, fee_oracle=None):
"""resources will be modified
"""
self.resources = resources
self.proofs = proofs
self.chain_spec = chain_spec
self.signer = signer
self.rpc = rpc
self.nonce_oracle = nonce_oracle
self.fee_oracle = fee_oracle
self.token_address = None
self.outputs = {}
for k in resources.keys():
self.outputs[k] = None
self.tx_format = TxFormat.RAW_ARGS
if self.rpc != None:
self.tx_format = TxFormat.JSONRPC
elif self.signer != None:
self.tx_format = TxFormat.RLP_SIGNED
def process_token(self):
raise NotImplementedError
def process_token_index(self):
c = TokenUniqueSymbolIndex(self.chain_spec, signer=self.signer) # tx_format = None
contract_address = self.resources['token_index']['reference']
signer_address = self.resources['token_index']['key_address']
o = c.register(contract_address, signer_address, self.token_address, tx_format=self.tx_format)
if self.rpc != None:
r = self.rpc.do(o[1])
self.outputs['token_index'] = r
elif self.signer != None:
self.outputs['token_index'] = o[1]
else:
self.outputs['token_index'] = o
return self.outputs['token_index']
def process(self):
self.token_address = self.resources['token']['reference']
if self.token_address == None:
tasks.append('token')
tasks.append('token_index')
for task in tasks:
getattr(self, 'process_̈́ ' + task)()
def new(resources, proofs, signer_hint=None):
return CICEth(resources, proofs, signer=None)