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  • "external contracts' revertions can be for example caught by try-catch blocks". Could you please elaborate this. Does this mean that if you try-catch the exception, the state could be changed? Commented Sep 28, 2021 at 5:53
  • With try-catch the whole transaction doesn't need to revert, if an external call reverts. It's up to you to decide. blog.ethereum.org/2020/01/29/solidity-0.6-try-catch Commented Sep 28, 2021 at 5:56
  • What I mean is if someone calls my contract from his contract dan does try-catch inside it, does the state from my contract would change because the exception caught by his contract? Commented Sep 28, 2021 at 6:39
  • I'm sorry, I didn't understand the question. And in any case, please post a new question if you have more question - or search among the existing questions Commented Sep 28, 2021 at 6:51
  • Following up to @fahadh4ilyas, the state would only change if the 'try' within the try/catch passed requirements needed in order to fulfill the tx. Commented Dec 10, 2022 at 22:16