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core: cache fresh headers and tds to avoid db trashing

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This commit is contained in:
Péter Szilágyi
2016-03-10 20:19:09 +02:00
parent 8b58cd0190
commit daad2b2559
2 changed files with 52 additions and 20 deletions
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4
core/blockchain.go
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@ -368,7 +368,7 @@ func (bc *BlockChain) ResetWithGenesisBlock(genesis *types.Block) {
defer bc.mu.Unlock()
// Prepare the genesis block and reinitialise the chain
if err := WriteTd(bc.chainDb, genesis.Hash(), genesis.Difficulty()); err != nil {
if err := bc.hc.WriteTd(genesis.Hash(), genesis.Difficulty()); err != nil {
glog.Fatalf("failed to write genesis block TD: %v", err)
}
if err := WriteBlock(bc.chainDb, genesis); err != nil {
@ -788,7 +788,7 @@ func (self *BlockChain) WriteBlock(block *types.Block) (status WriteStatus, err
status = SideStatTy
}
// Irrelevant of the canonical status, write the block itself to the database
if err := WriteTd(self.chainDb, block.Hash(), externTd); err != nil {
if err := self.hc.WriteTd(block.Hash(), externTd); err != nil {
glog.Fatalf("failed to write block total difficulty: %v", err)
}
if err := WriteBlock(self.chainDb, block); err != nil {