Openzeppelin has deprecated several functions and replaced with newer versions. Please consult https://docs.openzeppelin.com/
safeApprove()
function can lead to unintended reverts and potentially the locking of funds.
It is recommended to use OpenZeppelin's SafeERC20 library.
Replace safeApprove()
with safeIncreaseAllowance()
or safeDecreaseAllowance()
instead.
Instead of _setupRole
use _grantRole
.
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