Contract con_yeti_rewards_test_1

  

    

      

        

            
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I = importlib
          

            
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import currency as tau
          

            
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import con_yeti_contract_test_1 as yeti_token
          

            
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import con_rocketswap_official_v1_1
          

            
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YETI = 'con_yeti_contract_test_1'
          

            
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DEX = con_rocketswap_official_v1_1
          

            
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REWARDS_CONTRACT = 'con_yeti_rewards_test_1'
          

            
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currency_balance = ForeignHash(foreign_contract='currency', foreign_name='balances')
          

            
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yeti_balance = ForeignHash(foreign_contract=YETI, foreign_name='balances')
          

            
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operator = Variable()
          

            
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@construct
          

            
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def init():
          

            
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    operator.set(YETI)
          

            
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    approve()
          

            
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@export
          

            
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def approve():
          

            
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    tau.approve(amount=9999999999999999999999, to='con_rocketswap_official_v1_1')
          

            
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    yeti_token.approve(amount=9999999999999999999999, to='con_rocketswap_official_v1_1')
          

            
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def buy_reward_token(contract: str, fee_cover_perc: float):
          

            
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    #if nothing is passed to fee_cover_perc we assume a default value
          

            
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    if fee_cover_perc == None: fee_cover_perc = decimal('0.05')
          

            
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    #get total YETI balance of this contract
          

            
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    yeti_amount = yeti_balance[REWARDS_CONTRACT]
          

            
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    #sell YETI balance for TAU
          

            
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    DEX.sell(contract=YETI, token_amount=yeti_amount)
          

            
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    #get total TAU balance of this contract
          

            
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    rewards_currency_amount = currency_balance[REWARDS_CONTRACT]  
          

            
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    #reserve a percentage to cover for present and future transaction fees
          

            
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    fee_cover  = rewards_currency_amount * fee_cover_perc
          

            
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    currency_amount = rewards_currency_amount - fee_cover
          

            
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    #buy reward token with TAU from YETI sell
          

            
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    DEX.buy(contract=contract, currency_amount=currency_amount)
          

            
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@export
          

            
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def distribute_rewards(contract: str, addresses: list, 
          

            
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    holder_min: float, distribute_min: float, fee_cover_perc: float):
          

            
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    #check if caller is operator
          

            
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    assert_operator()
          

            
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    #if nothing is passed to holder_min and distribute_min, we assume certain default values
          

            
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    if holder_min == None: holder_min = 50_000_000
          

            
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    if distribute_min == None: distribute_min = 1000
          

            
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    #buy reward token for distribution
          

            
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    buy_reward_token(contract=contract, fee_cover_perc=fee_cover_perc)
          

            
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    #get total reward token balance of this contract
          

            
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    rewards_token_balance = ForeignHash(foreign_contract=contract, foreign_name='balances')
          

            
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    rewards_token_amount = rewards_token_balance[REWARDS_CONTRACT]
          

            
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    #check minimum reward token amount required for distribution 
          

            
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    assert rewards_token_amount >= distribute_min, \
          

            
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        f'Not enough funds to distribute! Current amount is {rewards_token_amount}'
          

            
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    reward_token = I.import_module(contract)
          

            
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    for address in addresses:
          

            
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        #get holder YETI balance
          

            
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        user_yeti_balance = yeti_balance[address]
          

            
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        #check if holder has a certain minimum to qualify for reward and
          

            
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        #if address is not a contract
          

            
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        if user_yeti_balance >= holder_min and not address.startswith('con_'):
          

            
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            #calculate amount to reward
          

            
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            reward_amount = rewards_token_amount * (user_yeti_balance/100_000_000_000)
          

            
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            #transfer reward to holder
          

            
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            reward_token.transfer(amount=reward_amount, to=address)
          

            
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def assert_operator():
          

            
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    assert ctx.caller == operator.get(), 'Only operator can call!'
          
      
    
  
  

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