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core/blockchain: remove duplicate chainHeadFeed.Send code

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Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
This commit is contained in:
Csaba Kiraly 2026-01-09 12:22:35 +01:00
parent de5ea2ffd8
commit c05894f0d3
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GPG key ID: 0FE274EE8C95166E
1 changed files with 7 additions and 16 deletions
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23
core/blockchain.go
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@ -745,21 +745,7 @@ 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
@ -770,7 +756,12 @@ 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.