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Estimate EVM gas cost for Aurora custom precompiles using NEAR host functions #483

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birchmd opened this issue Apr 5, 2022 · 1 comment
Open

Estimate EVM gas cost for Aurora custom precompiles using NEAR host functions #483

birchmd opened this issue Apr 5, 2022 · 1 comment
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A-precompiles Area: Issues that relate to the precompiles.

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birchmd commented Apr 5, 2022

There are several custom precompiles in Aurora that uses NEAR host functions:

  • Exit precompiles (move assets from Aurora to NEAR)
  • Entropy seed for randomness
  • Accessing current_account_id and predecessor_account_id
  • Amount of prepaid NEAR gas

Presently they are all costed at 0 EVM gas, but they do perform a non-trivial amount of work, so should cost some amount of EVM gas in order to have a close correlation between EVM gas burned and NEAR gas burned. The purpose of this issue is to estimate the "appropriate" EVM gas costs; and also to define more carefully what "appropriate" means (i.e. how we want to try to correlate NEAR and EVM gas).
@birchmd birchmd added the A-precompiles Area: Issues that relate to the precompiles. label Apr 5, 2022
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birchmd commented Apr 5, 2022

See also: #332

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