Contract con_reflecttau_v2
| Creator | a5565739151e6f8d3fbb03ab605a31cc285e36a717a95002a60e6e4d4e4fa411 |
| Creation Hash | c3a12f70491197b52992b30b20359c791dbb6e544ad8b08320133c4c03406776 |
| Created On | 355 days ago - 4/4/2022, 7:35:14 PM UTC+0 |
Contract Code
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import currency as tau
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I = importlib
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action_interface = [I.Func('execute', args=('payload', 'caller'))]
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metadata = Hash()
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balances = Hash(default_value=0.0)
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contract = Variable()
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total_supply = Variable()
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swap_end_date = Variable()
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burn_address = Variable()
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@construct
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def init(name: str):
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balances[ctx.caller] = 0
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metadata['action_reflection'] = 'con_reflecttau_v2_reflection'
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metadata['action_liquidity'] = 'con_reflecttau_v2_liquidity'
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metadata['action_treasury'] = 'con_reflecttau_v2_treasury'
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metadata['action_buyback'] = 'con_reflecttau_v2_buyback'
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metadata['action_dev'] = 'con_reflecttau_v2_developer'
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metadata['token_name'] = "ReflectTAU.io"
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metadata['token_symbol'] = "RTAU"
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metadata['operators'] = [
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'a5565739151e6f8d3fbb03ab605a31cc285e36a717a95002a60e6e4d4e4fa411',
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'025169da812b5db222e0ce57fbc2b5f949a59ac10a1a65a77fa4ab67c492fbad',
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'6351a80d32cbb3c173e490b093a95b15bcf4f6190251863669202d7fe2257af3'
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]
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contract.set(name)
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total_supply.set(0.0)
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burn_address.set('reflecttau_burn_address')
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swap_end_date.set(now + datetime.timedelta(days=180))
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@export
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def change_metadata(key: str, value: Any):
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assert_signer_is_operator()
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"""
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If we are setting an action core contract, make sure that the
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value is an existing contract and follows the agreed on interface
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"""
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if key.startswith('action_'):
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con = I.import_module(value)
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error = 'Action contract does not follow the correct interface!'
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assert I.enforce_interface(con, action_interface), error
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"""
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Save key and value for an operator. This entry symbolizes
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the agreement of ctx.caller to set the metadata.
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"""
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metadata[key, ctx.caller] = value
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agreed = True
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# Check if all operators agree on setting same value for key
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for op in metadata['operators']:
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if metadata[key, op] != metadata[key, ctx.caller]:
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agreed = False
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break
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if agreed:
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# Since all operators agree, set new value for key
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metadata[key] = value
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"""
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Since agreement was met and the value set,
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let's set the agreement for each operator to a
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different value so that one-time agreements
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can't be used more than once by some operator
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"""
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for op in metadata['operators']:
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metadata[key, op] = hashlib.sha256(str(now))
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return f'{key} = {value}'
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@export
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def assert_operators_agree(agreement: str, one_time: bool=True):
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"""
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Operators can agree to specific action core executions.
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The agreements will then be checked in the action core
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contract before they execute.
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The agreement keys need to have the following form:
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<action_contract>#<function>#<arg_1>#<arg_2>#...
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The value needs to be: "agreed"
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If it is a 'one_time' agreement, it will be set to an
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empty string after checking, to not allow execution
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again without new agreement from all operators.
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"""
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assert metadata[agreement] == 'agreed', 'No agreement met!'
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if one_time:
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metadata[agreement] = ''
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@export
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def balance_of(address: str):
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return balances[address]
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@export
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def allowance(owner: str, spender: str):
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return balances[owner, spender]
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@export
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def get_metadata(key: str):
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return metadata[key]
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@export
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def contract():
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return contract.get()
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@export
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def burn_address():
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return burn_address.get()
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@export
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def transfer(amount: float, to: str):
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assert amount > 0, 'Cannot send negative balances!'
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assert balances[ctx.caller] >= amount, 'Not enough coins to send!'
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"""
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1. Set balance of sender to 'balance - amount'
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2. Set balance of reflection contract to 'fees
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calculated by reflection contract'
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3. Set balance of receiver to 'balance + amount - fees'
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"""
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balances[ctx.caller] -= amount
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balances[metadata['action_reflection']] += call('action_reflection', {'function': 'calc_taxes', 'amount': amount, 'to': to})
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balances[to] += call('action_reflection', {'function': 'transfer', 'amount': amount, 'to': to})
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@export
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def approve(amount: float, to: str):
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assert amount > 0, 'Cannot send negative balances!'
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balances[ctx.caller, to] += amount
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@export
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def transfer_from(amount: float, to: str, main_account: str):
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assert amount > 0, 'Cannot send negative balances!'
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assert balances[main_account, ctx.caller] >= amount, f'You approved {balances[main_account, ctx.caller]} but need {amount}'
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assert balances[main_account] >= amount, 'Not enough coins to send! '
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"""
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1. Reduce allowances of sender by amount
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2. Set balance of sender to 'balance - amount'
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3. Set balance of reflection contract to 'fees
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calculated by reflection contract'
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4. Set balance of receiver to 'balance + amount - fees'
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"""
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balances[main_account, ctx.caller] -= amount
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balances[main_account] -= amount
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balances[metadata['action_reflection']] += call('action_reflection', {'function': 'calc_taxes', 'amount': amount, 'to': to})
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balances[to] += call('action_reflection', {'function': 'transfer_from', 'amount': amount, 'to': to, 'main_account': main_account})
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def call(action: str, payload: dict):
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# Call action core contract functions from within this contract
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assert metadata[action] is not None, 'Invalid action!'
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return I.import_module(metadata[action]).execute(payload, ctx.caller)
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@export
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def external_call(action: str, payload: dict):
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assert_signer_is_operator()
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"""
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Call action core contract functions externally.
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To mark that it was an external call, the key
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'external' will be added to the payload. Action
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core contracts can check for that key and know
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if a call came from the main token contract or
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from outside.
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"""
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if not payload:
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payload = {}
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payload['external'] = True
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return call(action, payload)
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@export
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def swap_basic(basic_amount: float):
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assert now < swap_end_date.get(), 'Swap period ended'
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assert basic_amount > 0, 'Cannot swap negative balances!'
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I.import_module('con_doug_lst001').transfer_from(
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main_account=ctx.caller,
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amount=basic_amount,
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to=burn_address.get())
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swap_amount = basic_amount * 0.07613035192
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total_supply.set(total_supply.get() + swap_amount)
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balances[ctx.caller] += swap_amount
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call('action_reflection', {'function': 'manage_holders_index', 'address': ctx.caller, 'amount': swap_amount})
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@export
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def swap_rtau(rtau_amount: float):
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assert now < swap_end_date.get(), 'Swap period ended'
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assert rtau_amount > 0, 'Cannot swap negative balances!'
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I.import_module('con_reflecttau').transfer_from(
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main_account=ctx.caller,
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amount=rtau_amount,
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to=burn_address.get())
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swap_amount = rtau_amount * 0.002386964808
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total_supply.set(total_supply.get() + swap_amount)
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balances[ctx.caller] += swap_amount
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call('action_reflection', {'function': 'manage_holders_index', 'address': ctx.caller, 'amount': swap_amount})
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@export
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def time_until_swap_end():
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return swap_end_date.get() - now
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@export
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def circulating_supply():
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return total_supply.get() - balances[burn_address.get()]
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@export
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def total_supply():
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return total_supply.get()
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@export
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def assert_signer_is_operator():
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assert ctx.signer in metadata['operators'], 'Only executable by operators!'
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Byte Code
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