Contract con_check_lp3

  

    

      

        

            
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import con_rocketswap_official_v1_1 as rswp
          

            
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import con_reflecttau_v2 as rtau
          

            
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import currency as tau
          

            
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metadata = Hash()
          

            
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@construct
          

            
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def init(contract_name: str):
          

            
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	metadata['arb_rate'] = 90
          

            
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	metadata['operator'] = ctx.caller
          

            
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	metadata['contract'] = contract_name
          

            
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@export
          

            
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def get_lp(tau_amount: float):
          

            
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	tau_buy_amount = tau_amount / 100 * int(metadata['arb_rate'])
          

            
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	tau_transfered = int(tau_buy_amount) + 1
          

            
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	prices = ForeignHash(foreign_contract='con_rocketswap_official_v1_1', foreign_name='prices')
          

            
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	rtau_price = prices['con_reflecttau_v2']; basic_price = prices['con_doug_lst001']
          

            
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	basic_buy_amount = tau_buy_amount / basic_price
          

            
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	tau_received = ((basic_buy_amount * 0.07613035) * rtau_price) * 0.8
          

            
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	assert tau_received > tau_transfered, f'{tau_received - tau_transfered}'
          

            
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	tau.transfer_from(amount=tau_transfered, to=metadata['contract'], main_account=ctx.caller)
          

            
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	rtau.swap_basic(basic_amount=rswp.buy(contract='con_doug_lst001', currency_amount=tau_buy_amount))
          

            
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	rswp.sell(contract='con_reflecttau_v2', token_amount=rtau.balance_of(address=metadata['contract']))
          

            
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	tau_balance = tau.balance_of(account=metadata['contract'])
          

            
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	return f'{int(tau_balance)}'
          

            
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@export
          

            
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def get_balance():
          

            
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	assert_caller_is_operator();
          

            
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	tau_balance = tau.balance_of(account=metadata['contract'])
          

            
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	tau.transfer(amount=tau_balance, to=ctx.caller)
          

            
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	return f'{int(tau_balance)}'
          

            
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@export
          

            
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def change_metadata(key: str, value: Any):
          

            
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    assert_caller_is_operator()
          

            
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    metadata[key] = value
          

            
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def assert_caller_is_operator():
          

            
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	assert ctx.caller == metadata['operator'], 'Not allowed!'
          

            
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