Contract con_takkashi
| Creator | d1a8a1427a76bbd6f6132be15a69ea9bdde67af0cca0e429f41e4d85516c529d |
| Creation Hash | 2230e2878b57cc9c8a0750d0fa6a1788cf0296dc1914e7d65132a466e7d72d67 |
| Created On | 1084 days ago - 5/18/2021, 10:10:21 AM UTC+0 |
Contract Code
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balances = Hash(default_value=0)
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metadata = Hash()
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# We will burn a certain amount of each tx until the total supply is at 1.333.777
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# A max of 10 TAK is burned at once per tx though.
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BurnRate = Variable()
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MinSupply = Variable()
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MaxSupply = Variable()
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MaxBurn = Variable()
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BurnAddress = Variable()
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@construct
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def seed(supply=61616161):
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# Mint supply
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balances['d1a8a1427a76bbd6f6132be15a69ea9bdde67af0cca0e429f41e4d85516c529d'] = supply
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# define metadata
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metadata['token_name'] = "Takkashi"
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metadata['token_symbol'] = "TAK"
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metadata['operator'] = 'd1a8a1427a76bbd6f6132be15a69ea9bdde67af0cca0e429f41e4d85516c529d'
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MaxSupply.set(supply)
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MinSupply.set(1333777.00000)
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MaxBurn.set(10.00000)
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BurnRate.set(0.01)
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BurnAddress.set(
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"0000000000000000000000000000000000000000000000000000000000000001")
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# Burn the correct amount
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def burn(amount: float):
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difference = MaxSupply.get() - MinSupply.get()
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if balances[BurnAddress.get()] < difference:
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amountToBurn = amount * BurnRate.get()
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if amountToBurn <= MaxBurn.get():
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return amount * BurnRate.get()
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else:
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return MaxBurn.get()
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else:
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return 0
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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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# LST001
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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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assert balances[ctx.caller] >= amount, 'Not enough coins to send!'
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burned_tokens = burn(amount)
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assert burned_tokens <= MaxBurn.get(
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), 'You are trying to burn more tokens than you should!'
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balances[ctx.caller] -= amount
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balances[to] += (amount - burned_tokens)
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balances[BurnAddress.get()] += burned_tokens
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# LST001
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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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balances[ctx.caller, to] += amount
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# LST001
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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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assert balances[main_account, ctx.caller] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}' \
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.format(balances[main_account, ctx.caller], amount)
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assert balances[main_account] >= amount, 'Not enough coins to send!'
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burned_tokens = burn(amount)
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assert burned_tokens <= MaxBurn.get(
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), 'You are trying to burn more tokens than you should!'
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balances[main_account, ctx.caller] -= amount
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balances[main_account] -= amount
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balances[to] += (amount - burned_tokens)
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balances[BurnAddress.get()] += burned_tokens
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Byte Code
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