45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
# external imports
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from chainlib.eth.tx import TxFormat
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from chainlib.eth.tx import TxFactory
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from chainlib.jsonrpc import JSONRPCRequest
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.eth.contract import ABIContractEncoder
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from chainlib.eth.contract import ABIContractType
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from hexathon import add_0x
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class EthWriter(TxFactory):
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def __single_address_method(self, method, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method(method)
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enc.typ(ABIContractType.ADDRESS)
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enc.address(address)
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data = enc.get()
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format)
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return tx
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def add_writer(self, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
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return self.__single_address_method('addWriter', contract_address, sender_address, address, tx_format)
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def delete_writer(self, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
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return self.__single_address_method('deleteWriter', contract_address, sender_address, address, tx_format)
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def is_writer(self, contract_address, address, sender_address=ZERO_ADDRESS, id_generator=None):
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j = JSONRPCRequest(id_generator)
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o = j.template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('isWriter')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(address)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address)
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tx = self.set_code(tx, data)
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o['params'].append(self.normalize(tx))
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return o
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