Contract con_neb_vlt_tst_001
| Creator | ae7d14d6d9b8443f881ba6244727b69b681010e782d4fe482dbfb0b6aca02d5d |
| Creation Hash | 87a1a24dd6faa09c16b7697d73b50785d3615ba920b0297f638dd2e221bc2cec |
| Created On | 920 days ago - 10/24/2021, 11:04:00 PM UTC+0 |
Contract Code
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staking = 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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active = Variable()
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funded = 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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NEB_FEE = 2
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OPERATORS = [
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'ae7d14d6d9b8443f881ba6244727b69b681010e782d4fe482dbfb0b6aca02d5d',
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'e787ed5907742fa8d50b3ca2701ab8e03ec749ced806a15cdab800a127d7f863'
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]
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@export
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def fund_vault(stake_contract: str, emission_contract: str, total_emission_amount: float, total_stake_amount: float,
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minutes_till_start: int, start_period_in_minutes: int, minutes_till_end: int, creator_lock_amount: float, max_single_stake_percent: float):
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assert funded.get() != True, 'Vault is already funded!'
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assert total_emission_amount > 0, 'total_emission_amount not valid!'
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assert total_stake_amount > 0, 'total_stake_amount not valid!'
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assert minutes_till_start > 0, 'minutes_till_start not valid!'
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assert start_period_in_minutes >= 2880, 'Staking needs to be open for at least 2 days!'
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assert minutes_till_end > 0, 'minutes_till_end not valid!'
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assert creator_lock_amount >= 0, 'dev_fee not valid!'
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assert max_single_stake_percent > 0, 'max_single_stake_percent not valid!'
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creator_addr.set(ctx.caller)
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creator_lock.set(creator_lock_amount)
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stake_con.set(stake_contract)
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emission_con.set(emission_contract)
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current_stake.set(0)
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total_emission.set(total_emission_amount)
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total_stake.set(total_stake_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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vault = ForeignVariable(foreign_contract='con_nebula', foreign_name='vault_contract')
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if not vault.get():
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vault = Variable()
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vault.set('INTERNAL_NEB_VAULT')
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# Pay Nebula fee
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importlib.import_module(emission_con.get()).transfer_from(
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amount=total_emission.get() / 100 * NEB_FEE,
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main_account=ctx.caller,
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to=vault.get())
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# Lock creator tokens
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if creator_lock.get() > 0:
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send_to_vault(emission_con.get(), creator_lock.get())
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# Pay total emission amount
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send_to_vault(emission_con.get(), total_emission.get())
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active.set(True)
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funded.set(True)
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@export
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def send_to_vault(contract: str, amount: float):
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importlib.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_active()
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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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assert amount > 0, 'Amount must be > 0'
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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_active()
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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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# Pay emissions to user
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importlib.import_module(emission_con.get()).transfer(
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amount=user_emission,
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to=ctx.caller)
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# Pay stake to user
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importlib.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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return f'Emission: {user_emission} {emission_con.get()}'
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@export
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def enable_vault():
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assert_owner()
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active.set(True)
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@export
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def disable_vault():
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assert_owner()
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active.set(False)
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@export
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def emergency_withdraw(contract: str, amount: float):
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assert_owner()
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importlib.import_module(contract).transfer(amount, ctx.caller)
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@export
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def pay_back_locked_creator_tokens():
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assert_active()
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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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# Pay back locked fund to creator
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importlib.import_module(emission_con.get()).transfer(
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amount=creator_lock.get(),
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to=creator_addr.get())
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def assert_active():
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assert active.get() == True, 'Vault inactive!'
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def assert_owner():
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assert ctx.caller in OPERATORS, 'Only executable by operators!'
Byte Code
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