mirror of
git://holbrook.no/erc20-demurrage-token
synced 2024-11-05 10:06:45 +01:00
67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
# standard imports
|
|
import enum
|
|
|
|
# external imports
|
|
from chainlib.eth.constant import ZERO_ADDRESS
|
|
from chainlib.jsonrpc import JSONRPCRequest
|
|
from chainlib.eth.tx import (
|
|
TxFactory,
|
|
TxFormat,
|
|
)
|
|
from chainlib.eth.contract import (
|
|
ABIContractEncoder,
|
|
ABIContractType,
|
|
abi_decode_single,
|
|
)
|
|
from hexathon import (
|
|
add_0x,
|
|
)
|
|
|
|
class ContractState(enum.IntEnum):
|
|
MINTER_STATE = 1
|
|
SINK_STATE = 2
|
|
EXPIRY_STATE = 4
|
|
CAP_STATE = 8
|
|
|
|
CONTRACT_SEAL_STATE_MAX = 0
|
|
|
|
for v in dir(ContractState):
|
|
if len(v) > 6 and v[-6:] == '_STATE':
|
|
CONTRACT_SEAL_STATE_MAX += getattr(ContractState, v).value
|
|
|
|
|
|
class SealedContract(TxFactory):
|
|
|
|
def seal(self, contract_address, sender_address, seal, tx_format=TxFormat.JSONRPC):
|
|
enc = ABIContractEncoder()
|
|
enc.method('seal')
|
|
enc.typ(ABIContractType.UINT256)
|
|
enc.uint256(seal)
|
|
data = enc.get()
|
|
tx = self.template(sender_address, contract_address, use_nonce=True)
|
|
tx = self.set_code(tx, data)
|
|
tx = self.finalize(tx, tx_format)
|
|
return tx
|
|
|
|
|
|
def is_sealed(self, contract_address, v, sender_address=ZERO_ADDRESS, id_generator=None):
|
|
j = JSONRPCRequest(id_generator)
|
|
o = j.template()
|
|
o['method'] = 'eth_call'
|
|
enc = ABIContractEncoder()
|
|
enc.method('isSealed')
|
|
enc.typ(ABIContractType.UINT256)
|
|
enc.uint256(v)
|
|
data = add_0x(enc.get())
|
|
tx = self.template(sender_address, contract_address)
|
|
tx = self.set_code(tx, data)
|
|
o['params'].append(self.normalize(tx))
|
|
o['params'].append('latest')
|
|
o = j.finalize(o)
|
|
return o
|
|
|
|
|
|
@classmethod
|
|
def parse_is_sealed(self, v):
|
|
return abi_decode_single(ABIContractType.BOOLEAN, v)
|