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core: remove unused function writeHeader

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This commit is contained in:
Daniel Liu 2024-12-25 17:22:28 +08:00
parent 6114a3a13b
commit a5c48e77bd
1 changed files with 0 additions and 20 deletions
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20
core/blockchain.go
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@ -2442,26 +2442,6 @@ func (bc *BlockChain) InsertHeaderChain(chain []*types.Header, checkFreq int) (i
return bc.hc.InsertHeaderChain(chain, whFunc, start)
}
// writeHeader writes a header into the local chain, given that its parent is
// already known. If the total difficulty of the newly inserted header becomes
// greater than the current known TD, the canonical chain is re-routed.
//
// Note: This method is not concurrent-safe with inserting blocks simultaneously
// into the chain, as side effects caused by reorganisations cannot be emulated
// without the real blocks. Hence, writing headers directly should only be done
// in two scenarios: pure-header mode of operation (light clients), or properly
// separated header/block phases (non-archive clients).
func (bc *BlockChain) writeHeader(header *types.Header) error {
bc.wg.Add(1)
defer bc.wg.Done()
bc.mu.Lock()
defer bc.mu.Unlock()
_, err := bc.hc.WriteHeader(header)
return err
}
// CurrentHeader retrieves the current head header of the canonical chain. The
// header is retrieved from the HeaderChain's internal cache.
func (bc *BlockChain) CurrentHeader() *types.Header {