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Account existence check for low-level calls.md

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38 - Account existence check for low-level calls

Low-level calls call/delegatecall/staticcall return true even if the account called is non-existent (per EVM design). Account existence must be checked prior to calling if needed. (see here)

Slide Screenshot

038.jpg

Slide Text

  • Account Existence Low-level Calls
  • call/delegateCall/staticCall
  • No Account -> Return true
  • Check Existence -> Before Call

References

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