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User Operations simulations #47

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Vid201 opened this issue Feb 1, 2023 · 2 comments
Closed

User Operations simulations #47

Vid201 opened this issue Feb 1, 2023 · 2 comments
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Vid201 commented Feb 1, 2023

This issue tracks work on simulation of user operations. Everything is explained here: https://eips.ethereum.org/EIPS/eip-4337#simulation

JS Tracer is needed to perform simulation.
@Vid201 Vid201 self-assigned this Feb 17, 2023
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Vid201 commented Feb 22, 2023 •
edited

  • forbidden opcodes
  • special handling of forbidden opcodes for staked entities
  • GAS opcodes
  • storage access
  • call stack verification
  • CALL opcodes
  • EXTCODEHASH doesn't change between first and second simulation
  • EXT opcodes
  • only one CREATE2 allowed

https://eips.ethereum.org/EIPS/eip-4337#simulation

All the basic simulation checks are already implemented, there can be some exceptions that will be supported in the future.

@zsluedem

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Very nice!!!!

@zsluedem zsluedem mentioned this issue Mar 1, 2023
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@Vid201 Vid201 closed this as completed Aug 18, 2023
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