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655 B
655 B
Usable Token
Instructions
- Create a Smart Contract named
UsableToken - Like MinimalToken, its constructor takes as parameter an amount that is given initially to the deployer.
- Create a function
approve(address,uint)that allows the owner of the token to approve a spender to spend a certain amount of tokens. - Create a function
allowance(address,uint)that returns the amount of tokens that a spender can spend on behalf of the owner.