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Problem: user can specify a excessive tx gas limit to occupy block space without paying the price #989
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Compare solutionsNon-breakingChange the
BreakingChange the gas refund rules.
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Closes: #989 Co-authored-by: Federico Kunze Küllmer <[email protected]>
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Closes: evmos#989 Co-authored-by: Federico Kunze Küllmer <[email protected]>
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Closes: evmos#989 Co-authored-by: Federico Kunze Küllmer <[email protected]>
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System info: ethermint main
Steps to reproduce:
After a recent gas meter fix, tendermint will include tx to block according to the sum of tx gas limits, but we'll refund the unused gas for EVM transaction, which means one can occupy block space with low cost by specifying an excessive tx gas limit.
Expected behavior: shouldn't be vulnerable to dos attack
Actual behavior: [What actually happened]
Additional info: [Include gist of relevant config, logs, etc.]
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