Contract con_dec_fix_7_tad
Creator | ec60be3db8f551739b52b76bd253f751f167a8e82ee7b393236433c17459b4cd |
Creation Hash | 2afbda06c976998e8b313b6e1e22d4cb609e05a4adee470cf00c410589e15022 |
Created On | 626 days ago - 8/2/2022, 11:30:36 AM UTC+0 |
Contract Code
1
balances = Hash(default_value=0)
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metadata = Hash()
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operator = Variable()
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total_supply = Variable()
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@construct
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def seed(owner: str):
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total_supply.set(0)
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operator.set(owner)
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metadata['token_name'] = 'RubixDAO'
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metadata['token_symbol'] = 'lMKR'
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metadata['token_logo_url'] = 'image.site'
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metadata['operator'] = ctx.caller
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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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assert balances[sender] >= amount, 'Not enough coins to send!'
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balances[sender] -= amount
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balances[to] += amount
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@export
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def balance_of(account: str):
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return balances[account]
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@export
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def allowance(owner: str, spender: str):
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return balances[owner, spender]
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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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sender = ctx.caller
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assert balances[main_account] >= amount, 'Not enough coins to send!'
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assert balances[main_account, sender] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}'\
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.format(balances[main_account, sender], amount)
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balances[main_account, sender] -= amount
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balances[main_account] -= amount
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balances[to] += amount
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@export
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def mint(amount: float):
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assert_owner()
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assert amount > 0, 'Cannot mint negative balances!'
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sender = ctx.caller
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balances[sender] += amount
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total = total_supply.get() + amount
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total_supply.set(total)
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@export
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def burn(amount: float):
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assert amount > 0, 'Cannot burn negative balances!'
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sender = ctx.caller
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assert balances[sender] >= amount, 'Not enough coins to burn!'
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balances[sender] -= amount
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total = total_supply.get() - amount
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total_supply.set(total)
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@export
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def get_total_supply():
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return total_supply.get()
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@export
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def change_metadata(key: str, value: Any):
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assert ctx.caller == metadata['operator'], 'Only operator can set metadata!'
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metadata[key] = value
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@export
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def change_owner(new_owner: str):
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assert_owner()
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operator.set(new_owner)
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def assert_owner():
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assert ctx.caller == operator.get(), 'Only operator can call!'
Byte Code
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