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consensus/beacon: flip to post-merge check

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It is somehow easier to implement this way.
This commit is contained in:
Felix Lange 2025-02-10 19:26:23 +01:00
parent c7e4e89a5f
commit 31e96f6317
1 changed files with 5 additions and 5 deletions
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10
consensus/beacon/consensus.go
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@ -72,12 +72,12 @@ func New(ethone consensus.Engine) *Beacon {
return &Beacon{ethone: ethone}
}
// isPreMerge reports whether the given block number is assumed to be pre-merge.
// isPostMerge reports whether the given block number is assumed to be post-merge.
// Here we check the MergeNetsplitBlock to allow configuring networks with a PoW or
// PoA chain for unit testing purposes.
func isPreMerge(config *params.ChainConfig, block uint64) bool {
func isPostMerge(config *params.ChainConfig, block uint64) bool {
mergedAtGenesis := config.TerminalTotalDifficulty != nil && config.TerminalTotalDifficulty.Sign() == 0
return !mergedAtGenesis && config.MergeNetsplitBlock != nil && block < config.MergeNetsplitBlock.Uint64()
return mergedAtGenesis || config.MergeNetsplitBlock != nil && block >= config.MergeNetsplitBlock.Uint64()
}
// Author implements consensus.Engine, returning the verified author of the block.
@ -327,7 +327,7 @@ func (beacon *Beacon) verifyHeaders(chain consensus.ChainHeaderReader, headers [
// Prepare implements consensus.Engine, initializing the difficulty field of a
// header to conform to the beacon protocol. The changes are done inline.
func (beacon *Beacon) Prepare(chain consensus.ChainHeaderReader, header *types.Header) error {
if isPreMerge(chain.Config(), header.Number.Uint64()) {
if !isPostMerge(chain.Config(), header.Number.Uint64()) {
return beacon.ethone.Prepare(chain, header)
}
header.Difficulty = beaconDifficulty
@ -437,7 +437,7 @@ func (beacon *Beacon) SealHash(header *types.Header) common.Hash {
// the difficulty that a new block should have when created at time
// given the parent block's time and difficulty.
func (beacon *Beacon) CalcDifficulty(chain consensus.ChainHeaderReader, time uint64, parent *types.Header) *big.Int {
if isPreMerge(chain.Config(), parent.Number.Uint64()+1) {
if !isPostMerge(chain.Config(), parent.Number.Uint64()+1) {
return beacon.ethone.CalcDifficulty(chain, time, parent)
}
return beaconDifficulty