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core: get header from block cache (#23299)

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Sina Mahmoodi 2021-08-03 17:29:47 +02:00 committed by GitHub
parent 4cd6a1458e
commit c38fab912b
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1 changed files with 10 additions and 0 deletions
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10
core/blockchain.go
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@ -2417,12 +2417,22 @@ func (bc *BlockChain) GetTdByHash(hash common.Hash) *big.Int {
// GetHeader retrieves a block header from the database by hash and number,
// caching it if found.
func (bc *BlockChain) GetHeader(hash common.Hash, number uint64) *types.Header {
// Blockchain might have cached the whole block, only if not go to headerchain
if block, ok := bc.blockCache.Get(hash); ok {
return block.(*types.Block).Header()
}
return bc.hc.GetHeader(hash, number)
}
// GetHeaderByHash retrieves a block header from the database by hash, caching it if
// found.
func (bc *BlockChain) GetHeaderByHash(hash common.Hash) *types.Header {
// Blockchain might have cached the whole block, only if not go to headerchain
if block, ok := bc.blockCache.Get(hash); ok {
return block.(*types.Block).Header()
}
return bc.hc.GetHeaderByHash(hash)
}