PYRToken
Source:Verified
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Overview

The approve function in the ERC20 contract allows a token holder to grant a specified amount of tokens to a spender, enabling the spender to transfer tokens on behalf of the holder. It ensures that neither the owner nor the spender is a zero address and emits an Approval event upon successful execution.

Inputs
  • spender (address): The address that will be allowed to spend the tokens.
  • amount (uint256): The amount of tokens that the spender is allowed to spend.
Outputs
  • Returns (bool): The function returns true if the approval was successful.
Emits One Event
Functions will often emit events during execution, often signifying key changes in state.

Approval: Emits the event to confirm that the owner has granted a specific allowance to the spender, allowing them to transfer tokens.
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