Reentrancy
the fallback mechanism may allow an attacker to re-enter the caller function
4 Matching Annotations
- Aug 2022
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eprint.iacr.org eprint.iacr.org1007.pdf1
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- Feb 2021
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However, sometimes actions can't be rolled back and it is unfortunately unavoidable. For example, consider when we send emails during the call to process. If we send before saving a record and that record fails to save what do we do? We can't unsend that email.
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I typically save everything I can first, and then call the side-effects afterwards. If the side-effects fail I can handle them elsewhere and retry when necessary.
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- Jun 2020
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proandroiddev.com proandroiddev.com
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Cloud Functions working on the server or WriteBatches working on the client
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