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core/types: cache computed block values

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This commit is contained in:
Felix Lange 2015-06-25 14:46:08 +02:00 committed by Jeffrey Wilcke
parent 11b8d1df59
commit a8889b092b
1 changed files with 22 additions and 3 deletions
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25
core/types/block.go
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@ -8,6 +8,7 @@ import (
"io"
"math/big"
"sort"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/common"
@ -105,8 +106,15 @@ type Block struct {
transactions Transactions
receipts Receipts
Td *big.Int
queued bool // flag for blockpool to skip TD check
// caches
hash atomic.Value
size atomic.Value
// Td is used by package core to store the total difficulty
// of the chain up to and including the block.
Td *big.Int
// ReceivedAt is used by package eth to track block propagation time.
ReceivedAt time.Time
}
@ -223,10 +231,12 @@ func (b *Block) ValidateFields() error {
func (b *Block) DecodeRLP(s *rlp.Stream) error {
var eb extblock
_, size, _ := s.Kind()
if err := s.Decode(&eb); err != nil {
return err
}
b.header, b.uncles, b.transactions = eb.Header, eb.Uncles, eb.Txs
b.size.Store(common.StorageSize(rlp.ListSize(size)))
return nil
}
@ -295,8 +305,12 @@ func (b *Block) HashNoNonce() common.Hash {
}
func (b *Block) Size() common.StorageSize {
if size := b.size.Load(); size != nil {
return size.(common.StorageSize)
}
c := writeCounter(0)
rlp.Encode(&c, b)
b.size.Store(common.StorageSize(c))
return common.StorageSize(c)
}
@ -329,7 +343,12 @@ func (b *Block) WithMiningResult(nonce uint64, mixDigest common.Hash) *Block {
// Implement pow.Block
func (b *Block) Hash() common.Hash {
return b.header.Hash()
if hash := b.hash.Load(); hash != nil {
return hash.(common.Hash)
}
v := rlpHash(b.header)
b.hash.Store(v)
return v
}
func (b *Block) String() string {