Contract con_mintorburn
| Creator | ff61544ea94eaaeb5df08ed863c4a938e9129aba6ceee5f31b6681bdede11b89 |
| Creation Hash | de834269b3ee475c812669519a69aa6605c29d0cc2bb3e6c0877c03a04dd2227 |
| Created On | 909 days ago - 10/28/2021, 4:48:36 PM UTC+0 |
Contract Code
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# -> MintOrBurn.com <-
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# LST001
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balances = Hash(default_value=0)
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# LST002
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metadata = Hash()
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total_supply = Variable()
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random.seed()
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# LST001
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# LST002
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@construct
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def seed():
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# LST001
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balances[ctx.caller] = 10000000000
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# LST002
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metadata['token_name'] = 'Mint or Burn'
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metadata['token_symbol'] = 'MOB'
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metadata['token_logo_url'] = 'https://mintorburn.com/logo.png'
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metadata['operator'] = ctx.caller
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metadata['token_website'] = "https://mintorburn.com/"
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metadata['mint_or_burn_percentage'] = 2
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metadata['burn_address'] = "000000000000000000000000000000000000000000000000000000000000dead"
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metadata['custodian_address'] = ctx.caller
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total_supply.set(10000000000)
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@export
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def balance_of(address: str):
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return balances[address]
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@export
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def circulating_supply():
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return int(total_supply.get() - balances[BURN_ADDRESS])
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@export
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def total_supply():
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return int(total_supply.get())
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@export
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def mint_or_burn_percentage():
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return metadata['mint_or_burn_percentage']
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# LST002
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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'
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], 'Only operator can set metadata!'
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metadata[key] = value
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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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# 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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return balances[ctx.caller, to]
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def mint_or_burn(amount: float):
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outcome = random.randint(1,2)
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if(outcome == 1):
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total_supply.set(total_supply.get() + amount/100*metadata['mint_or_burn_percentage'])
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return amount + amount/100*metadata['mint_or_burn_percentage']
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else:
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balances[metadata["burn_addresses"]] += amount/100*metadata['mint_or_burn_percentage']
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return amount - amount/100*metadata['mint_or_burn_percentage']
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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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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] += mint_or_burn(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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sender = ctx.caller
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assert balances[main_account, sender
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] >= amount, 'Not enough coins approved to send! You have {} and are trying to spend {}'.format(
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balances[main_account, sender], amount)
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assert balances[main_account] >= amount, 'Not enough coins to send!'
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balances[main_account, sender] -= amount
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balances[main_account] -= amount
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balances[to] += mint_or_burn(amount)
Byte Code
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