fix: ensure max_fee_per_blob_gas field handles Some(0) gracefully
#1389
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zerosnacks
changed the title
max_fee_per_blob_gas field handles Some(0) gracefully
zerosnacks
commented
Sep 27, 2024
| // Nothing to fill if non-eip4844 tx or `max_fee_per_blob_gas` is already set to a valid | ||
| // value. | ||
| if tx.blob_sidecar().is_none() | ||
| || tx.max_fee_per_blob_gas().is_some_and(|gas| gas >= BLOB_TX_MIN_BLOB_GASPRICE) |
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If the field is set to Some(0) (which happens because of serialization) we force setting it to .next_block_blob_fee() as 0 is always invalid as it is less than BLOB_TX_MIN_BLOB_GASPRICE (1).
zerosnacks
requested review from
DaniPopes,
gakonst,
mattsse,
onbjerg,
prestwich and
emhane
as code owners
zerosnacks
commented
Sep 27, 2024
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| to: Some(address!("d8dA6BF26964aF9D7eEd9e03E53415D37aA96045").into()), | ||
| sidecar: Some(sidecar), | ||
| ..Default::default() |
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Tests both cases, implicit Some(0) / None and explicit Some(0)
mattsse
approved these changes
Sep 27, 2024
It is but it mostly enables you do not define the field and rely on the filler. What happens is that the transaction is serialized as 0 as the field is required. This is then interpreted as |
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Motivation
Closes: #1371
Solution
Related Foundry PR: foundry-rs/foundry#8963 that depends on this implementation
If
max_fee_per_blob_gasisSome(0)orNonewe set it to a valid valuenext_block_blob_fee().PR Checklist