consensus/misc/eip4844: use blob parameters of current header #32424
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This changes the implementation to resolve the blob parameters according to the current header timestamp. This matters for EIP-7918, where we would previously resolve the UpdateFraction according to the parent header fork, leading to a confusing situation at the fork transition block.
lightclient
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Aug 15, 2025
consensus/misc/eip4844/eip4844.go
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| var ( | ||
| baseCost = big.NewInt(params.BlobBaseCost) | ||
| reservePrice = baseCost.Mul(baseCost, parent.BaseFee) | ||
| blobPrice = bcfg.blobPrice(excessBlobGas) |
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Suggested change
| blobPrice = bcfg.blobPrice(excessBlobGas) | |
| blobPrice = bcfg.blobPrice(parentExcessBlobGas) |
I believe this was the issue Marius found and fixed here: https://github.com/fjl/go-ethereum/compare/eip4844-transition-updatefraction...MariusVanDerWijden:go-ethereum:eip4844-transition-updatefraction?expand=1
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Wait I broke something with the submodule edit: okay fixed, I hate git |
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* master: (57 commits) core/vm: fix EIP-7823 modexp input length check (ethereum#32363) rlp: remove workaround for Value.Bytes (ethereum#32433) consensus/misc/eip4844: use blob parameters of current header (ethereum#32424) crypto/bn256: refactor to use bitutil.TestBytes (ethereum#32435) core/vm: refactor to use bitutil.TestBytes (ethereum#32434) cmd/evm: use PathScheme in blockrunner (ethereum#32444) trie, core/state: add the transition tree (verkle transition part 2) (ethereum#32366) build: remove unused functions (ethereum#32393) crypto/secp256k1: use ReadBits from common/math (ethereum#32430) build: upgrade -dlgo version to Go 1.25.0 (ethereum#32412) .github: upgrade workflows to Go 1.25 (ethereum#32425) p2p: refactor to use time.Now().UnixMilli() in golang std lib (ethereum#32402) eth/syncer: fix typo (ethereum#32427) eth/tracers: Adds codeHash to prestateTracer's response (ethereum#32391) rlp: optimize intsize (ethereum#32421) node: remove unused err var (ethereum#32398) eth: abort `requiredBlocks` check if peer handler terminated (ethereum#32413) cmd: fix inconsistent function name in comment (ethereum#32411) trie: refactor to use slices.Concat (ethereum#32401) consensus: fix ambiguous invalid gas limit error (ethereum#32405) ...
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This changes the implementation to resolve the blob parameters according to the current header timestamp. This matters for EIP-7918, where we would previously resolve the UpdateFraction according to the parent header fork, leading to a confusing situation at the fork transition block.