Contract con_neb_external_vault_light1
| Creator | 2b077f6d0aa7931fba3b8e41f59638f6009c71c7d2cb473340c4868ebbcccda6 |
| Creation Hash | a01f4d0c436db6f15b102b45ad71b2c572fc1174f95cc4fe05bc358fecaceac7 |
| Created On | 813 days ago - 2/26/2022, 3:45:02 PM UTC+0 |
Contract Code
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# _ _ _ _ ______ _ _ __ __ _ _
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# | \ | | | | | | | ____| | | | | \ \ / / | | |
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# | \| | ___| |__ _ _| | __ _ | |__ __ _| |_ ___ _ __ _ __ __ _| | \ \ / /_ _ _ _| | |_
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# | . ` |/ _ \ '_ \| | | | |/ _` | | __| \ \/ / __/ _ \ '__| '_ \ / _` | | \ \/ / _` | | | | | __|
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# | |\ | __/ |_) | |_| | | (_| | | |____ > <| || __/ | | | | | (_| | | \ / (_| | |_| | | |_
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# |_| \_|\___|_.__/ \__,_|_|\__,_| |______/_/\_\\__\___|_| |_| |_|\__,_|_| \/ \__,_|\__,_|_|\__|
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#
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# Version 1.4
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I = importlib
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staking = Hash(default_value=0)
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payouts = Hash(default_value=0)
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stake_con = Variable()
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emission_con = Variable()
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total_emission = Variable()
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total_stake = Variable()
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current_stake = Variable()
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max_single_stake = Variable()
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creator_addr = Variable()
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creator_lock = Variable()
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start_date = Variable()
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start_date_end = Variable()
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end_date = Variable()
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funded = Variable()
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NEB_FEE = 2
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NEB_FEE_DISCOUNT = 0.2
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NEB_INSTANT_FEE = 5000
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NEB_CONTRACT = 'con_nebula'
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NEB_KEY_CONTRACT = 'con_neb_key001'
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MIN_START_TIME = 5
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MAX_START_TIME = 10080
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MIN_STAKE_TIME = 1440
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MAX_STAKE_TIME = 10080
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MIN_LOCK_TIME = 1440
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MAX_LOCK_TIME = 518400
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@export
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def fund_vault(stake_contract: str, total_stake_amount: float, emission_contract: str, total_emission_amount: float,
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minutes_till_start: int, start_period_in_minutes: int, minutes_till_end: int,
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max_single_stake_percent: float, creator_lock_amount: float = 0):
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assert funded.get() != True, 'Vault is already funded!'
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assert total_stake_amount > 0, 'Total stake amount must be > 0'
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assert total_emission_amount > 0, 'Total emission amount must be > 0'
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assert creator_lock_amount >= 0, 'Creator lock amount must be >= 0'
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assert max_single_stake_percent > 0, 'Maximum single stake percent must be > 0'
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assert max_single_stake_percent < 100, 'Maximum single stake percent must be < 100'
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assert minutes_till_start >= MIN_START_TIME, f'Minimum time from vault start to staking start: {MIN_START_TIME} minutes'
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assert minutes_till_start <= MAX_START_TIME, f'Maximum time from vault start to staking start: {MAX_START_TIME} minutes'
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assert start_period_in_minutes >= MIN_STAKE_TIME, f'Minimum time from staking start to staking end: {MIN_STAKE_TIME / 60} hours'
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assert start_period_in_minutes <= MAX_STAKE_TIME, f'Maximum time from staking start to staking end: {MAX_STAKE_TIME / 60 / 24} days'
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assert minutes_till_end >= MIN_LOCK_TIME, f'Minimum time from staking end to vault end: {MIN_LOCK_TIME / 60} hours'
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assert minutes_till_end <= MAX_LOCK_TIME, f'Maximum time from staking end to vault end: {MAX_LOCK_TIME / 60 / 24} days'
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sc = I.import_module(stake_contract)
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ec = I.import_module(emission_contract)
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stake_con.set(stake_contract)
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emission_con.set(emission_contract)
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creator_addr.set(ctx.caller)
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creator_lock.set(creator_lock_amount)
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current_stake.set(0)
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total_stake.set(total_stake_amount)
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total_emission.set(total_emission_amount)
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max_single_stake.set(total_stake_amount / 100 * max_single_stake_percent)
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start_date.set(now + datetime.timedelta(minutes=minutes_till_start))
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start_date_end.set(start_date.get() + datetime.timedelta(minutes=start_period_in_minutes))
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end_date.set(start_date_end.get() + datetime.timedelta(minutes=minutes_till_end))
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neb_key_balances = ForeignHash(foreign_contract=NEB_KEY_CONTRACT, foreign_name='balances')
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if neb_key_balances[ctx.caller] and neb_key_balances[ctx.caller] >= 1:
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discount = NEB_FEE_DISCOUNT
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else:
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discount = 0
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fee = total_emission.get() / 100 * (NEB_FEE - discount)
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total_amount = total_emission.get() + fee + creator_lock.get()
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send_to_vault(emission_con.get(), total_amount)
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treasury = ForeignVariable(foreign_contract=NEB_CONTRACT, foreign_name='vault_contract')
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assert treasury.get(), 'Treasury contract not set!'
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I.import_module(emission_con.get()).transfer(
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to=treasury.get(),
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amount=fee)
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I.import_module(NEB_CONTRACT).transfer_from(
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main_account=ctx.caller,
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amount=NEB_INSTANT_FEE,
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to='NEBULA_BURN_ADDRESS')
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funded.set(True)
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def send_to_vault(contract: str, amount: float):
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I.import_module(contract).transfer_from(
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main_account=ctx.caller,
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amount=amount,
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to=ctx.this)
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@export
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def stake(amount: float):
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assert amount > 0, 'Negative amounts are not allowed'
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assert now > start_date.get(), f'Staking not started yet: {start_date.get()}'
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assert now < start_date_end.get(), f'Staking period ended: {start_date_end.get()}'
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staking[ctx.caller] += amount
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send_to_vault(stake_con.get(), amount)
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current_stake.set(current_stake.get() + amount)
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assert staking[ctx.caller] <= max_single_stake.get(), f'Max user stake exceeded: {max_single_stake.get()}'
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assert current_stake.get() <= total_stake.get(), f'Max total stake exceeded: {total_stake.get()}'
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@export
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def unstake():
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assert staking[ctx.caller] != 0, f'Address is not staking!'
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assert now > end_date.get(), f'End date not reached: {end_date.get()}'
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stake_percent = staking[ctx.caller] / current_stake.get() * 100
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user_emission = total_emission.get() / 100 * stake_percent
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I.import_module(emission_con.get()).transfer(
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amount=user_emission,
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to=ctx.caller)
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I.import_module(stake_con.get()).transfer(
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amount=staking[ctx.caller],
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to=ctx.caller)
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staking[ctx.caller] = 0
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payouts[ctx.caller] = user_emission
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return f'Emission: {user_emission} {emission_con.get()}'
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@export
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def payout_only_stake(amount: float):
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assert staking[ctx.caller] != 0, f'Address is not staking!'
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assert now > end_date.get(), f'End date not reached: {end_date.get()}'
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assert amount <= staking[ctx.caller], f'Max unstake amount is {staking[ctx.caller]}'
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I.import_module(stake_con.get()).transfer(
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amount=amount,
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to=ctx.caller)
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current_stake.set(current_stake.get() - amount)
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staking[ctx.caller] -= amount
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payouts[ctx.caller] = 0
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return f'Remaining Stake: {staking[ctx.caller]} {stake_con.get()}'
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@export
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def pay_back_locked_creator_tokens(pay_to_address: str):
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assert now > end_date.get(), f'End date not reached: {end_date.get()}'
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assert creator_addr.get() == ctx.caller, 'You are not the vault creator!'
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assert creator_lock.get() > 0, 'No creator funds locked!'
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I.import_module(emission_con.get()).transfer(
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amount=creator_lock.get(),
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to=pay_to_address)
Byte Code
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