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core/txpool/blobpool: factor out peerdas slotter

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MariusVanDerWijden 2025-06-04 18:41:54 +02:00 committed by lightclient
parent ae2cd389d1
commit f599be1ce6
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1 changed files with 18 additions and 0 deletions
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18
core/txpool/blobpool/slotter.go
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@ -26,6 +26,24 @@ package blobpool
// allowed in the current protocol, having an empty shelf is not a relevant use
// of resources, but it makes stress testing with junk transactions simpler.
func newSlotter(maxBlobsPerTransaction int) func() (uint32, bool) {
slotsize := uint32(txAvgSize)
slotsize -= uint32(blobSize) // underflows, it's ok, will overflow back in the first return
return func() (size uint32, done bool) {
slotsize += blobSize
finished := slotsize > uint32(maxBlobsPerTransaction)*blobSize+txMaxSize
return slotsize, finished
}
}
// newSlotterEIP7594 creates a different slotter for EIP-7594 transactions.
// EIP-7594 (PeerDAS) changes the median transaction size which means the current
// static 4KB average size is not enough anymore.
// This slotter adds a dynamic overhead component to the slotter, which also
// captures the notion that blob transactions with more blobs are also more likely to
// to have more calldata.
func newSlotterEIP7594(maxBlobsPerTransaction int) func() (uint32, bool) {
slotsize := uint32(txAvgSize)
slotsize -= uint32(blobSize) + txBlobOverhead // underflows, it's ok, will overflow back in the first return