Contract con_yeti_contract
| Creator | 42a13c664781a24ab4aca978abb685d9c07ef9ae64a2af865a043e3186a66907 |
| Creation Hash | 398c9b88ddd94eea8f2ec4beca9168c12a5e3296500229e7a31e1d0ab342143b |
| Created On | 458 days ago - 1/27/2023, 12:25:56 AM UTC+0 |
Contract Code
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I = importlib
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rswp_reserves = ForeignHash(foreign_contract='con_rocketswap_official_v1_1', foreign_name='reserves')
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balances = Hash(default_value=0)
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metadata = Hash()
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TOKEN_CONTRACT = 'con_yeti_contract'
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WALLET_CHIEF = 'ec9decc889a17d4ea22afbd518f767a136f36301a0b1aa9a660f3f71d61f5b2b'
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WALLET_NIEL = '1910513066afbe592d6140c0055de3cb068fe7c17584a654a704ac7e60b2df04'
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WALLET_YETI_LP = 'a690e68d8a049ea7c8ad4e16b166e321bd5ebc0dba4dc10d2ea01bf6eed84cca'
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WALLET_YETI_RAIN = 'e8dc708028e049397b5baf9579924dde58ce5bebee5655da0b53066117572e73'
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WALLET_YETI_MARKETING = '3466e7576d1b70aef675ee4149b0d83cf21f69f4cfade801249d5afaad7c7ac9'
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WALLET_YETI_CHARITY = '4c66b7ba687222d44df2c3c989ae4cc50185abfcee8ea5356afcc5344c4a5f94'
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WALLET_YETI_BUYBACK = 'b22e0df3949428211989867c4e4febd851af3c1c044a8d892e8a07b7034e94dc'
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#for testing
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WALLET_DEV ='42a13c664781a24ab4aca978abb685d9c07ef9ae64a2af865a043e3186a66907'
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@construct
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def init():
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# Token info
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balances[WALLET_CHIEF] = 94_000_000_000
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balances[WALLET_NIEL] = 5_000_000_000
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balances[WALLET_DEV] = 1_000_000_000
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metadata['token_name'] = 'YETI TOKEN'
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metadata['token_symbol'] = 'YETI'
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metadata['owners'] = [WALLET_CHIEF, WALLET_NIEL, WALLET_DEV]
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# Swap info
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metadata['swap_token'] = 'con_marmite100_contract'
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metadata['swap_end'] = now + datetime.timedelta(days=180) # HOW MANY DAYS TO AGREE ON? 6 MONTHS?
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metadata['swap_rate'] = decimal('1')
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# Wallets
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metadata['rewards_contract'] = 'con_yeti_rewards'
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metadata['LP_wallet'] = WALLET_YETI_LP
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metadata['rain_wallet'] = WALLET_YETI_RAIN
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metadata['marketing_wallet'] = WALLET_YETI_MARKETING
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metadata['charity_wallet'] = WALLET_YETI_CHARITY
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metadata['buyback_wallet'] = WALLET_YETI_BUYBACK
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metadata['burn_wallet'] = 'yeti_burn_wallet'
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# TODO: rule out contracts by checking for "con_"
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metadata['blacklisted_wallets'] = [
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'1b6a98bc717d568379218ca87b2b8f67b561ee1e50049da1af8f104270816a6b',
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WALLET_CHIEF,
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WALLET_NIEL,
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WALLET_YETI_LP,
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WALLET_YETI_RAIN,
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WALLET_YETI_MARKETING,
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WALLET_YETI_CHARITY,
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WALLET_YETI_BUYBACK
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]
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# Rates
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metadata['buy_tax'] = decimal('0.02') #2%
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metadata['sell_tax'] = decimal('0.05') #5%
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metadata['rewards%'] = decimal('0.1') #10% of tax
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metadata['LP%'] = decimal('0.35') #35% of tax
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metadata['rain%'] = decimal('0.05') #5% of tax
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metadata['marketing%'] = decimal('0.5') #50% of tax
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metadata['charity%'] = decimal('0.00') #0% of tax
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metadata['buyback%'] = decimal('0.00') #0% of tax
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metadata['burn%'] = decimal('0.00') #0% of tax
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# DEX
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metadata['dex'] = ['con_rocketswap_official_v1_1']
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# Reward token
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metadata['reward_token'] = 'con_lusd_lst001'
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metadata['bridge'] = ['con_lamden_link_bsc_v1', 'con_lamden_link_weth_v1']
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# LST002 with governance
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@export
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def change_metadata(key: str, value: Any):
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assert_owner()
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owners = metadata['owners']
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caller = ctx.caller
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metadata[caller, key] = {'v':value, 'time':now}
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agreed = False
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for owner in owners:
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if metadata[owner, key] is None:
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# Without this initial value, we cannot later compare the proposed value "v"
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metadata[owner, key] = {'v':'', 'time':''}
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# Ensure caller's proposed value is not compared to itself
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if owner != caller and metadata[owner, key]['v'] == metadata[caller, key]['v'] :
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metadata[key] = value
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agreed = True
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if agreed:
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for owner in owners:
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# Prevent proposed value been used again by some owner in the future
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metadata[caller, key] = str(now)
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return f'{key} = {value}'
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return agreed
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# LST001 with extra features
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@export
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def mint(amount: float, to: str):
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assert ctx.caller in metadata['bridge'], f'Only bridge can mint!'
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assert amount > 0, 'Cannot mint negative balances!'
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balances[to] += amount
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@export
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def transfer(amount: float, to: str):
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assert amount > 0, 'Cannot send negative balances!'
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sender = ctx.caller
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signer = ctx.signer
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assert balances[sender] >= amount, 'Not enough YETI to send!'
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if signer not in metadata['owners'] and sender in metadata['dex']:
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tax_amount = amount * metadata['buy_tax']
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amount_to_buyer = amount - tax_amount
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balances[sender] -= amount
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balances[to] += amount_to_buyer
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# Transfers to YETI fund wallets
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balances[metadata['marketing_wallet']] += tax_amount * metadata['marketing%']
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balances[metadata['LP_wallet']] += tax_amount * metadata['LP%']
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balances[metadata['rewards_contract']] += tax_amount * metadata['rewards%']
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balances[metadata['rain_wallet']] += tax_amount * metadata['rain%']
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balances[metadata['charity_wallet']] += tax_amount * metadata['charity%']
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balances[metadata['buyback_wallet']] += tax_amount * metadata['buyback%']
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balances[metadata['burn_wallet']] += tax_amount * metadata['burn%']
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return
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balances[sender] -= amount
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balances[to] += amount
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@export
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def approve(amount: float, to: str):
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assert amount > 0, 'Cannot send negative balances!'
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sender = ctx.caller
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balances[sender, to] += amount
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return balances[sender, to]
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@export
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def transfer_from(amount: float, to: str, main_account: str):
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assert amount > 0, 'Cannot send negative balances!'
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spender = ctx.caller
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signer = ctx.signer
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tax_amount = amount * metadata['sell_tax']
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amount_to_spend = tax_amount + amount
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if signer not in metadata['owners']:
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assert balances[main_account] > amount_to_spend, \
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f'Not enough tokens to pay tax! Expected tax to pay is {tax_amount}'
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assert balances[main_account, spender] >= amount_to_spend, \
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f'Not enough YETI approved to send! You have {balances[main_account, spender]} \
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and are trying to spend {amount}'
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assert balances[main_account] >= amount, 'Not enough YETI to send!'
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balances[main_account, spender] -= amount
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balances[main_account] -= amount
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balances[to] += amount
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if signer not in metadata['owners'] and to in metadata['dex']:
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pay_tax(tax_amount, spender, main_account)
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def pay_tax(tax_amount, spender, main_account):
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# check if there is a rocketswap market for this token
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if rswp_reserves[TOKEN_CONTRACT] == None: # reserve initial value is None in testing environment
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return
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if rswp_reserves[TOKEN_CONTRACT] == [0,0]: # reserve initial value on mainnet
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return
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balances[main_account, spender] -= tax_amount
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balances[main_account] -= tax_amount
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# Transfers to YETI fund wallets
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balances[metadata['marketing_wallet']] += tax_amount * metadata['marketing%']
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balances[metadata['LP_wallet']] += tax_amount * metadata['LP%']
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balances[metadata['rewards_contract']] += tax_amount * metadata['rewards%']
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balances[metadata['rain_wallet']] += tax_amount * metadata['rain%']
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balances[metadata['charity_wallet']] += tax_amount * metadata['charity%']
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balances[metadata['buyback_wallet']] += tax_amount * metadata['buyback%']
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balances[metadata['burn_wallet']] += tax_amount * metadata['burn%']
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@export
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def distribute_rewards(addresses: list, holder_min: float,
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distribute_min: float, fee_cover_perc: float):
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assert_owner()
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rewards_contract = I.import_module(metadata['rewards_contract'])
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rewards_contract.distribute_rewards(contract=metadata['reward_token'],
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addresses=addresses, holder_min=holder_min,
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distribute_min=distribute_min, fee_cover_perc=fee_cover_perc)
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@export
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def swap_token(amount: float):
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caller = ctx.caller
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assert amount > 0, 'Cannot send negative balances!'
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assert caller not in metadata['blacklisted_wallets'], 'this wallet is blacklisted'
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assert not caller.startswith('con_'), 'Caller is a contract!'
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assert balances[WALLET_CHIEF] > amount, f'Token amount left is {balances[WALLET_CHIEF]} \
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and you are trying to swap for {amount}'
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assert now < metadata['swap_end'], 'Swap is over!'
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contract = metadata['swap_token']
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swap_token = I.import_module(contract)
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swap_token.transfer_from(amount=amount, to=metadata['burn_wallet'], main_account=caller)
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amount_of_yeti = amount * metadata['swap_rate']
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balances[caller] += amount_of_yeti
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balances[WALLET_CHIEF] -= amount_of_yeti
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@export
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def execute_proposal_after_a_month(key: str):
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assert_owner()
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caller = ctx.caller
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assert metadata[caller, key], 'Proposal does not exist!'
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assert now > metadata[caller, key]['time'] + datetime.timedelta(weeks=4) , \
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'Proposal must be 1 month old!'
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metadata[key] = metadata[caller, key]['v']
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return True
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def assert_owner():
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assert ctx.caller in metadata['owners'], 'Only owner can call this method!'
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Byte Code
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