Method GetHeaderByHash

core/headerchain.go:360–366

GetHeaderByHash retrieves a block header from the database by hash, caching it if found.

(hash common.Hash)

// GetHeaderByHash retrieves a block header from the database by hash, caching it if
// found.
func (hc *HeaderChain) GetHeaderByHash(hash common.Hash) *types.Header {
	number := hc.GetBlockNumber(hash)
	if number == nil {
		return nil
	}
	return hc.GetHeader(hash, *number)
}

// HasHeader checks if a block header is present in the database or not.
func (hc *HeaderChain) HasHeader(hash common.Hash, number uint64) bool {