Contract con_ll_t00

  

    

      

        

            
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I = importlib

          

            
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lock_info = Hash()

          

            
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lp_points = Hash(default_value=0)

          

            
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@construct

          

            
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def seed():

          

            
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    lp_points["con_stakeit", "28f7fa3ecbb7d794e623a6692f09a06a912f58ff478a44d034d174dd5e9fac9e"] = 100

          

            
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    lock_info["con_stakeit", "28f7fa3ecbb7d794e623a6692f09a06a912f58ff478a44d034d174dd5e9fac9e"] = {

          

            
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                                    "lock_date":datetime.datetime(2021,9,11,0,14,0), 

          

            
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                                    "initial_amount": 100, 

          

            
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                                    "amount": 100, 

          

            
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                                    "unlock_date": datetime.datetime(2021,10,11,0,14,0), 

          

            
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                                    "lock_ID":'eqweweghjghhghf'

          

            
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                                } 

          

            
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@export

          

            
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def lock_lp(contract: str, amount: float, lock_time: int): #calculate lock_time in seconds from frontend side 

          

            
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    assert amount > 0, "negative value not allowed!"

          

            
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    assert lock_time > 0, "negative value not allowed!"

          

            
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    pairs = ForeignHash(foreign_contract='con_amm_v9', foreign_name='pairs')

          

            
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    #check if pair market exist

          

            
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    assert pairs[contract], f"{contract}-currency(TAU) pair does not exist!"

          

            
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    user = ctx.caller

          

            
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    lock_time = datetime.timedelta(seconds=lock_time) 

          

            
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    today = now

          

            
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    unlock_date = today + lock_time

          

            
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    #check if date is beyond now

          

            
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    assert unlock_date  > today, "invalid time!"

          

            
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    #transfer lp points from user to this contract

          

            
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    rswp = I.import_module('con_amm_v9')

          

            
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    rswp.transfer_liquidity_from(contract=contract, to=ctx.this, main_account=user, amount=amount)

          

            
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    lp_points[contract, user] += amount

          

            
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    #get id from hash

          

            
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    hashables = f"{contract}{user}{amount}{lock_time}{today}"

          

            
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    lock_id = hashlib.sha256(hashables)

          

            
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    #gather liquidity locking details

          

            
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    lock_info[contract, user] = {

          

            
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                                    "lock_date":today, 

          

            
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                                    "initial_amount": amount, 

          

            
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                                    "amount": amount, 

          

            
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                                    "unlock_date": unlock_date, 

          

            
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                                    "lock_ID":lock_id

          

            
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                                }

          

            
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    return lock_info

          

            
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@export

          

            
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def withdraw(contract: str):

          

            
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    '''withdraw all LPs at once'''

          

            
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    user = ctx.caller

          

            
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    lock_data = lock_info[contract, user]

          

            
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    amount = lp_points[contract, user]

          

            
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    assert amount > 0, 'no LPs to unlock.'

          

            
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    #assert now >= lock_data["unlock_date"] , "cannot withdraw before unlock date."

          

            
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    #rswp = I.import_module('con_amm_v9')

          

            
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    #rswp.transfer_liquidity(contract=contract, to=user, amount=amount)

          

            
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    lp_points[contract, user] -= amount

          

            
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    lock_data["amount"] -= amount

          

            
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    lock_data["unlock_date"] = "expired"

          

            
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    return lp_points[contract, user],lock_data

          

            
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@export

          

            
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def withdraw_part(contract: str, amount: float):

          

            
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    '''withdraw part of locked LPs'''

          

            
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    assert amount > 0, "negative value not allowed!"

          

            
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    user = ctx.caller

          

            
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    lock_data = lock_info[contract, user]

          

            
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    lp_amount = lp_points[contract, user]

          

            
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    assert lp_amount > 0, 'no LPs to unlock.'

          

            
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    assert lp_amount >= amount, "not enough LPs to withdraw"

          

            
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    #assert now >= lock_data["unlock_date"] , "cannot withdraw before unlock date."

          

            
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    #rswp = I.import_module('con_amm_v9')

          

            
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    #rswp.transfer_liquidity(contract=contract, to=user, amount=amount)

          

            
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    lp_points[contract, user] -= amount

          

            
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    lock_data["amount"] -= amount

          

            
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    lock_data["unlock_date"] = "expired"

          

            
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    return lock_data   

          

            
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@export

          

            
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def extend_lock(contract: str, lock_time: int):

          

            
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    '''extend locking period whilst your LPs remains ontouched'''

          

            
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    assert lock_time > 0, "negative value not allowed!"

          

            
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    user = ctx.caller

          

            
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    lock_data = lock_info[contract, user]

          

            
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    assert lock_data, "no locked LPs found."

          

            
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    #lock_data["unlock_date"] = now

          

            
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    lock_time = datetime.timedelta(seconds=lock_time)

          

            
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    unlock_date = lock_data["unlock_date"]

          

            
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    extended_date = unlock_date + lock_time

          

            
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    assert extended_date > unlock_date, "extension cannot be lesser than unlock date."

          

            
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    lock_data["unlock_date"] = extended_date

          

            
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    return True

          

            
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@export

          

            
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def lock_more_lp(contract: str, amount: float):

          

            
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    '''lock more LPs in addition to what is previously locked in the same lock period'''

          

            
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    assert amount > 0, "negative value not allowed!"

          

            
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    user = ctx.caller

          

            
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    lock_data = lock_info[contract, user]

          

            
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    assert lock_data, "no locked LPs found."

          

            
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    rswp = I.import_module('con_amm_v9')

          

            
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    rswp.transfer_liquidity_from(contract=contract, to=ctx.this, main_account=user, amount=amount)

          

            
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    lp_points[contract, user] += amount

          

            
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    lock_data["amount"] += amount

          

            
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    return True

          

            
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