mirror of
git://holbrook.no/erc20-demurrage-token
synced 2024-11-19 07:06:46 +01:00
661 lines
21 KiB
Python
661 lines
21 KiB
Python
# standard imports
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import os
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import logging
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# external imports
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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.hash import keccak256_string_to_hex
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from chainlib.eth.contract import (
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ABIContractEncoder,
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ABIContractDecoder,
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ABIContractType,
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abi_decode_single,
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)
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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 eth_erc20 import ERC20
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from hexathon import (
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add_0x,
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strip_0x,
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)
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from dexif import from_fixed
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# local imports
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from erc20_demurrage_token.data import data_dir
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from erc20_demurrage_token.seal import SealedContract
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from erc20_demurrage_token.expiry import ExpiryContract
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logg = logging.getLogger(__name__)
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class DemurrageRedistribution:
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def __init__(self, v):
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d = ABIContractDecoder()
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v = strip_0x(v)
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d.typ(ABIContractType.UINT256)
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d.typ(ABIContractType.UINT256)
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d.typ(ABIContractType.BYTES32)
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d.val(v[:64])
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d.val(v[64:128])
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d.val(v[128:192])
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r = d.decode()
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self.period = r[0]
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self.value = r[1]
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self.demurrage = from_fixed(r[2])
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def __str__(self):
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return 'period {} value {} demurrage {}'.format(self.period, self.value, self.demurrage)
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class DemurrageTokenSettings:
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def __init__(self):
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self.name = None
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self.symbol = None
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self.decimals = None
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self.demurrage_level = None
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self.period_minutes = None
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self.sink_address = None
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def __str__(self):
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return 'name {} demurrage level {} period minutes {} sink address {}'.format(
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self.name,
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self.demurrage_level,
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self.period_minutes,
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self.sink_address,
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)
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class DemurrageToken(ERC20, SealedContract, ExpiryContract):
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__abi = {}
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__bytecode = {}
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valid_modes = [
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'MultiNocap',
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'SingleNocap',
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'MultiCap',
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'SingleCap',
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]
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def constructor(self, sender_address, settings, cap=0, tx_format=TxFormat.JSONRPC):
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if int(cap) < 0:
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raise ValueError('cap must be 0 or positive integer')
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code = DemurrageToken.bytecode()
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enc = ABIContractEncoder()
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enc.string(settings.name)
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enc.string(settings.symbol)
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enc.uint256(settings.decimals)
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enc.uint256(settings.demurrage_level)
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enc.uint256(settings.period_minutes)
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enc.address(settings.sink_address)
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if cap > 0:
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enc.uint256(cap)
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code += enc.get()
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tx = self.template(sender_address, None, use_nonce=True)
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tx = self.set_code(tx, code)
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return self.finalize(tx, tx_format)
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@staticmethod
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def gas(code=None):
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return 4000000
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@staticmethod
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def __to_contract_name(multi, cap):
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name = 'DemurrageToken'
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if multi:
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name += 'Multi'
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else:
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name += 'Single'
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if cap:
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name += 'Cap'
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else:
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name += 'Nocap'
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logg.debug('bytecode name {}'.format(name))
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return name
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@staticmethod
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def abi(multi=True, cap=False):
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#name = DemurrageToken.__to_contract_name(multi, cap)
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name = 'DemurrageTokenSingleNocap'
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if DemurrageToken.__abi.get(name) == None:
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f = open(os.path.join(data_dir, name + '.json'), 'r')
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DemurrageToken.__abi[name] = json.load(f)
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f.close()
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return DemurrageToken.__abi[name]
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@staticmethod
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def bytecode(multi=True, cap=False):
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#name = DemurrageToken.__to_contract_name(multi, cap)
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name = 'DemurrageTokenSingleNocap'
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if DemurrageToken.__bytecode.get(name) == None:
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f = open(os.path.join(data_dir, name + '.bin'), 'r')
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DemurrageToken.__bytecode[name] = f.read()
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f.close()
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return DemurrageToken.__bytecode[name]
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def increase_allowance(self, contract_address, sender_address, address, value, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('increaseAllowance')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(address)
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enc.uint256(value)
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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 decrease_allowance(self, contract_address, sender_address, address, value, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('decreaseAllowance')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(address)
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enc.uint256(value)
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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_minter(self, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('addMinter')
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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 remove_minter(self, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('removeMinter')
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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 mint_to(self, contract_address, sender_address, address, value, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('mintTo')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(address)
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enc.uint256(value)
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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 burn(self, contract_address, sender_address, value, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('burn')
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enc.typ(ABIContractType.UINT256)
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enc.uint256(value)
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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 total_burned(self, contract_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('totalBurned')
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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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def to_base_amount(self, contract_address, value, 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('toBaseAmount')
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enc.typ(ABIContractType.UINT256)
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enc.uint256(value)
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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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def remainder(self, contract_address, parts, whole, 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('remainder')
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enc.typ(ABIContractType.UINT256)
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enc.typ(ABIContractType.UINT256)
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enc.uint256(parts)
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enc.uint256(whole)
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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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def redistributions(self, contract_address, idx, 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('redistributions')
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enc.typ(ABIContractType.UINT256)
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enc.uint256(idx)
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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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def account_period(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('accountPeriod')
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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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o['params'].append('latest')
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o = j.finalize(o)
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return o
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def to_redistribution(self, contract_address, participants, demurrage_modifier, value, period, 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('toRedistribution')
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enc.typ(ABIContractType.UINT256)
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enc.typ_literal('int128')
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enc.typ(ABIContractType.UINT256)
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enc.typ(ABIContractType.UINT256)
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enc.uint256(participants)
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enc.uint256(demurrage_modifier)
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enc.uint256(value)
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enc.uint256(period)
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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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def to_redistribution_period(self, contract_address, redistribution, 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('toRedistributionPeriod')
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v = strip_0x(redistribution)
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enc.typ_literal('(uint32,uint72,uint64)')
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enc.bytes32(v[:64])
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enc.bytes32(v[64:128])
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enc.bytes32(v[128:192])
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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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# def to_redistribution_participants(self, contract_address, redistribution, 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('toRedistributionParticipants')
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# v = strip_0x(redistribution)
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# enc.typ_literal('(uint32,uint72,uint104)')
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# #enc.typ(ABIContractType.BYTES32)
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# enc.bytes32(v[:64])
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# enc.bytes32(v[64:128])
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# enc.bytes32(v[128:192])
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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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#
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def to_redistribution_supply(self, contract_address, redistribution, 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('toRedistributionSupply')
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v = strip_0x(redistribution)
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enc.typ_literal('(uint32,uint72,uint64)')
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enc.bytes32(v[:64])
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enc.bytes32(v[64:128])
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enc.bytes32(v[128:192])
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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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def to_redistribution_demurrage_modifier(self, contract_address, redistribution, 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('toRedistributionDemurrageModifier')
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v = strip_0x(redistribution)
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enc.typ_literal('(uint32,uint72,uint64)')
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enc.bytes32(v[:64])
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enc.bytes32(v[64:128])
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enc.bytes32(v[128:192])
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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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def base_balance_of(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('baseBalanceOf')
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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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o['params'].append('latest')
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o = j.finalize(o)
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return o
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def apply_demurrage(self, contract_address, sender_address, limit=0, tx_format=TxFormat.JSONRPC):
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if limit == 0:
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return self.transact_noarg('applyDemurrage', contract_address, sender_address)
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enc = ABIContractEncoder()
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enc.method('applyDemurrageLimited')
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enc.typ(ABIContractType.UINT256)
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enc.uint256(limit)
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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 change_period(self, contract_address, sender_address):
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return self.transact_noarg('changePeriod', contract_address, sender_address)
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def apply_redistribution_on_account(self, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('applyRedistributionOnAccount')
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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 tax_level(self, contract_address, sender_address=ZERO_ADDRESS):
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return self.call_noarg('taxLevel', contract_address, sender_address=sender_address)
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def resolution_factor(self, contract_address, sender_address=ZERO_ADDRESS):
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return self.call_noarg('resolutionFactor', contract_address, sender_address=sender_address)
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def actual_period(self, contract_address, sender_address=ZERO_ADDRESS):
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return self.call_noarg('actualPeriod', contract_address, sender_address=sender_address)
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def period_start(self, contract_address, sender_address=ZERO_ADDRESS):
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return self.call_noarg('periodStart', contract_address, sender_address=sender_address)
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def period_duration(self, contract_address, sender_address=ZERO_ADDRESS):
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return self.call_noarg('periodDuration', contract_address, sender_address=sender_address)
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def demurrage_amount(self, contract_address, sender_address=ZERO_ADDRESS):
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return self.call_noarg('demurrageAmount', contract_address, sender_address=sender_address)
|
||
|
||
|
||
def demurrage_timestamp(self, contract_address, sender_address=ZERO_ADDRESS):
|
||
return self.call_noarg('demurrageTimestamp', contract_address, sender_address=sender_address)
|
||
|
||
|
||
def supply_cap(self, contract_address, sender_address=ZERO_ADDRESS):
|
||
return self.call_noarg('supplyCap', contract_address, sender_address=sender_address)
|
||
|
||
|
||
# def grow_by(self, contract_address, value, period, sender_address=ZERO_ADDRESS, id_generator=None):
|
||
# j = JSONRPCRequest(id_generator)
|
||
# o = j.template()
|
||
# o['method'] = 'eth_call'
|
||
# enc = ABIContractEncoder()
|
||
# enc.method('growBy')
|
||
# enc.typ(ABIContractType.UINT256)
|
||
# enc.typ(ABIContractType.UINT256)
|
||
# enc.uint256(value)
|
||
# enc.uint256(period)
|
||
# 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
|
||
#
|
||
|
||
def decay_by(self, contract_address, value, period, sender_address=ZERO_ADDRESS, id_generator=None):
|
||
j = JSONRPCRequest(id_generator)
|
||
o = j.template()
|
||
o['method'] = 'eth_call'
|
||
enc = ABIContractEncoder()
|
||
enc.method('decayBy')
|
||
enc.typ(ABIContractType.UINT256)
|
||
enc.typ(ABIContractType.UINT256)
|
||
enc.uint256(value)
|
||
enc.uint256(period)
|
||
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
|
||
|
||
|
||
def get_distribution(self, contract_address, supply, demurrage_amount, sender_address=ZERO_ADDRESS, id_generator=None):
|
||
j = JSONRPCRequest(id_generator)
|
||
o = j.template()
|
||
o['method'] = 'eth_call'
|
||
enc = ABIContractEncoder()
|
||
enc.method('getDistribution')
|
||
enc.typ(ABIContractType.UINT256)
|
||
enc.typ_literal('int128')
|
||
enc.uint256(supply)
|
||
enc.uint256(demurrage_amount)
|
||
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
|
||
|
||
|
||
def get_distribution_from_redistribution(self, contract_address, redistribution, sender_address=ZERO_ADDRESS, id_generator=None):
|
||
j = JSONRPCRequest(id_generator)
|
||
o = j.template()
|
||
o['method'] = 'eth_call'
|
||
enc = ABIContractEncoder()
|
||
enc.method('getDistributionFromRedistribution')
|
||
v = strip_0x(redistribution)
|
||
enc.typ_literal('(uint32,uint72,uint64)')
|
||
enc.bytes32(v[:64])
|
||
enc.bytes32(v[64:128])
|
||
enc.bytes32(v[128:192])
|
||
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_actual_period(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_period_start(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_period_duration(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_demurrage_amount(self, v):
|
||
# return abi_decode_single(ABIContractType.UINT256, v)
|
||
return from_fixed(v)
|
||
|
||
|
||
@classmethod
|
||
def parse_remainder(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_to_base_amount(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_redistributions(self, v):
|
||
return strip_0x(v)
|
||
|
||
|
||
@classmethod
|
||
def parse_account_period(self, v):
|
||
return abi_decode_single(ABIContractType.ADDRESS, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_to_redistribution_period(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_to_redistribution_item(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_supply_cap(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_grow_by(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_decay_by(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_get_distribution(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_tax_level(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_resolution_factor(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|
||
|
||
@classmethod
|
||
def parse_total_burned(self, v):
|
||
return abi_decode_single(ABIContractType.UINT256, v)
|
||
|