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Fix behavior on calling non-existent contracts #380

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merged 3 commits into from
Aug 21, 2024
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@ureeves ureeves commented Aug 21, 2024

The path when a contract calls another contract which does not exist was not handled, and would lead to a panic of the entire execution when it does. This PR fixes this by introducing a new error path in the c import that does not revert, and a new ContractError::DoesNotExist variant.

Eduardo Leegwater Simões added 2 commits August 21, 2024 10:51
The function is intended to test calls to contracts that do not exist,
whilst allowing for an easy check on the state.
@ureeves ureeves added the fix:bug Something isn't working label Aug 21, 2024
When the contract doesn't exist it never gets pushed onto the callstack,
and instead results in a panic of the `c` import. This is clearly wrong
and this commit addresses that by introducing a new error path does not
revert the callstack.
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@miloszm miloszm left a comment

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Tested it, it fixes the issue

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@HDauven HDauven left a comment

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Very interesting. I seem to recall there being handling for this but it's good that we have a test now. 👍

If we can come up with more edge cases to test, even better. 😄

@ureeves ureeves merged commit 997ffbd into main Aug 21, 2024
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@ureeves ureeves deleted the contract-does-not-exist branch August 21, 2024 22:45
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3 participants