68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
# external imports
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from hexathon import (
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add_0x,
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)
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# local imports
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from .contract import (
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ABIContractEncoder,
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ABIContractDecoder,
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ABIContractType,
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)
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from chainlib.jsonrpc import jsonrpc_template
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class EIP173(TxFactory):
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def transfer_ownership(self, contract_address, sender_address, new_owner_address):
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enc = ABIContractEncoder()
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enc.method('transferOwnership')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(new_owner_address)
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data = add_0x(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 owner(self, contract_address, sender_address=ZERO_ADDRESS):
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o = jsonrpc_template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('owner')
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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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o['params'].append('latest')
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return o
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@classmethod
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def parse_owner(self, v):
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return abi_decode_single(ABIContractType.ADDRESS, v)
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class Owned(EIP173):
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def accept_ownership(self, contract_address, sender_address):
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enc = ABIContractEncoder()
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enc.method('acceptOwnership')
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data = add_0x(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 take_ownership(self, contract_address, sender_address, resource_address):
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enc = ABIContractEncoder()
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enc.method('takeOwnership')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(resource_address)
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data = add_0x(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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