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core: remove duplicate chainHeadFeed.Send code (#33563)
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Browse source 
The code was simply duplicate, so we can remove some code lines here.

Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
This commit is contained in:
Csaba Kiraly 2026-01-09 14:40:40 +01:00 committed by GitHub
parent 7cd400612f
commit 127d1f42bb
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GPG key ID: B5690EEEBB952194
1 changed files with 7 additions and 16 deletions
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23
core/blockchain.go
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@ -746,21 +746,7 @@ func (bc *BlockChain) SetHead(head uint64) error {
if _, err := bc.setHeadBeyondRoot(head, 0, common.Hash{}, false); err != nil {
return err
}
// Send chain head event to update the transaction pool
header := bc.CurrentBlock()
if block := bc.GetBlock(header.Hash(), header.Number.Uint64()); block == nil {
// In a pruned node the genesis block will not exist in the freezer.
// It should not happen that we set head to any other pruned block.
if header.Number.Uint64() > 0 {
// This should never happen. In practice, previously currentBlock
// contained the entire block whereas now only a "marker", so there
// is an ever so slight chance for a race we should handle.
log.Error("Current block not found in database", "block", header.Number, "hash", header.Hash())
return fmt.Errorf("current block missing: #%d [%x..]", header.Number, header.Hash().Bytes()[:4])
}
}
bc.chainHeadFeed.Send(ChainHeadEvent{Header: header})
return nil
return bc.sendChainHeadEvent()
}
// SetHeadWithTimestamp rewinds the local chain to a new head that has at max
@ -771,7 +757,12 @@ func (bc *BlockChain) SetHeadWithTimestamp(timestamp uint64) error {
if _, err := bc.setHeadBeyondRoot(0, timestamp, common.Hash{}, false); err != nil {
return err
}
// Send chain head event to update the transaction pool
return bc.sendChainHeadEvent()
}
// sendChainHeadEvent notifies all subscribers about the new chain head,
// checking first that the current block is actually available.
func (bc *BlockChain) sendChainHeadEvent() error {
header := bc.CurrentBlock()
if block := bc.GetBlock(header.Hash(), header.Number.Uint64()); block == nil {
// In a pruned node the genesis block will not exist in the freezer.