Contract con_gamma_phi_sales_v2

  

    

      

        

            
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import currency as tau
          

            
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import con_phi as phi
          

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

            
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owner = Variable()
          

            
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round_1_price = Variable()
          

            
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round_1_quantity = Variable()
          

            
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round_2_price = Variable()
          

            
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round_2_quantity = Variable()
          

            
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@construct
          

            
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def seed():
          

            
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    round_1_price.set(0.002)
          

            
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    round_1_quantity.set(100_000_000)
          

            
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    round_2_price.set(0.004)
          

            
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    round_2_quantity.set(100_000_000)
          

            
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    owner.set(ctx.caller)
          

            
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@export
          

            
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def set_round_1_price(price: float):
          

            
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    round_1_price.set(price)
          

            
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@export
          

            
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def set_round_2_price(price: float):
          

            
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    round_2_price.set(price)
          

            
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@export
          

            
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def set_round_1_quantity(quantity: int):
          

            
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    round_1_quantity.set(quantity)
          

            
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@export
          

            
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def set_round_2_quantity(quantity: int):
          

            
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    round_2_quantity.set(quantity)
          

            
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@export
          

            
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def purchase_round_1(amount_tau: float):
          

            
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    assert amount_tau > 0, 'Cannot purchase negative amounts!'
          

            
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    purchaser = ctx.caller
          

            
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    assert tau_balances[purchaser] >= amount_tau, 'Not enough tau!'
          

            
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    amount = amount_tau / round_1_price.get()
          

            
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    assert round_1_quantity.get() > amount, 'Not enough remaining in round 1'
          

            
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    round_1_quantity.set(round_1_quantity.get() - amount)
          

            
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    tau.transfer_from(amount_tau, ctx.this, purchaser)
          

            
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    phi.transfer(amount, purchaser)
          

            
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@export
          

            
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def purchase_round_2(amount_tau: float):
          

            
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    assert amount_tau > 0, 'Cannot purchase negative amounts!'
          

            
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    purchaser = ctx.caller
          

            
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    assert tau_balances[purchaser] >= amount_tau, 'Not enough tau!'
          

            
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    amount = amount_tau / round_2_price.get()
          

            
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    assert round_2_quantity.get() > amount, 'Not enough remaining in round 1'
          

            
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    round_2_quantity.set(round_2_quantity.get() - amount)
          

            
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    tau.transfer_from(amount_tau, ctx.this, purchaser)
          

            
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    phi.transfer(amount, purchaser)
          

            
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@export
          

            
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def pay_out_phi(amount: float):
          

            
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    error = "Negative amount is not allowed"
          

            
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    assert amount > 0, error
          

            
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    error = "Only owner can payout tokens"
          

            
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    assert ctx.caller == owner.get(), error
          

            
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    # Transfer tokens from contract to owner
          

            
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    phi.transfer(
          

            
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        amount=amount,
          

            
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        to=ctx.caller)
          

            
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@export
          

            
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def pay_out_tau(amount: float):
          

            
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    error = "Negative amount is not allowed"
          

            
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    assert amount > 0, error
          

            
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    error = "Only owner can payout tokens"
          

            
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    assert ctx.caller == owner.get(), error
          

            
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    # Transfer tokens from contract to owner
          

            
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    tau.transfer(
          

            
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        amount=amount,
          

            
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        to=ctx.caller)
          
      
    
  
  

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