Hi devs! How to keep track of used signature for

Question

Hi devs! How to keep track of used signature for

stop multiple usage? Firstly I wanna do smth like this address => signature, but It can hold only last signature. So there is a way to cheap storage for signature or how to do it organize properly?

#english #programming #solidity

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12.05.2022

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William Oney
It's unclear what you mean. You want to allow the...

I wanna track all signature are used. So there is no chance to get back with old signature and claim money once again... for now I have a mappting(signature => bool) it works as expected. But probably there is another way to do it?

0

12.05.2022

William Oney · Accepted Answer

William Oney

It's unclear what you mean. You want to allow the user to only submit a signature once and never again, or you want to just track the last signature that was used?

0

12.05.2022

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Hi devs! How to keep track of used signature for

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