mirror of
git://holbrook.no/erc20-demurrage-token
synced 2024-11-05 02:06:45 +01:00
67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
# standard imports
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import enum
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# external imports
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.jsonrpc import JSONRPCRequest
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from chainlib.eth.tx import (
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TxFactory,
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TxFormat,
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)
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from chainlib.eth.contract import (
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ABIContractEncoder,
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ABIContractType,
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abi_decode_single,
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)
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from hexathon import (
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add_0x,
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)
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class ContractState(enum.IntEnum):
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MINTER_STATE = 1
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SINK_STATE = 2
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EXPIRY_STATE = 4
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CAP_STATE = 8
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CONTRACT_SEAL_STATE_MAX = 0
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for v in dir(ContractState):
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if len(v) > 6 and v[-6:] == '_STATE':
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CONTRACT_SEAL_STATE_MAX += getattr(ContractState, v).value
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class SealedContract(TxFactory):
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def seal(self, contract_address, sender_address, seal, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('seal')
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enc.typ(ABIContractType.UINT256)
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enc.uint256(seal)
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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 is_sealed(self, contract_address, v, 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('isSealed')
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enc.typ(ABIContractType.UINT256)
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enc.uint256(v)
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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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o = j.finalize(o)
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return o
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@classmethod
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def parse_is_sealed(self, v):
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return abi_decode_single(ABIContractType.BOOLEAN, v)
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