Contract con_phi
| Creator | ae9cfa894495930b8d2f1707ab936325b5c848ace677bb8ba41dfe7dcdb3e3e6 |
| Creation Hash | c9bd501d46db6eacdaa1ba0f18bd6a89b2cc20129e348a9ecc904c8745ae2cce |
| Created On | 897 days ago - 11/12/2021, 6:41:27 PM UTC+0 |
Contract Code
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balances = Hash(default_value=0)
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supply = Variable()
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@construct
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def seed(amount=1_000_000_000):
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balances[ctx.caller] = amount
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supply.set(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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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, 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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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] += amount
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Byte Code
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