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authorFelix Lange <fjl@twurst.com>2015-06-27 09:08:50 +0800
committerJeffrey Wilcke <geffobscura@gmail.com>2015-06-30 00:51:48 +0800
commit76821d167acd7da15e13b23beeceb6779138ffe5 (patch)
tree73af5b18546dcb4db62e9e7f24d8bb103cdbfcef
parentfccc7d71eb1e8e655f9bcd9c6d7856b70bbeda36 (diff)
downloaddexon-76821d167acd7da15e13b23beeceb6779138ffe5.tar.gz
dexon-76821d167acd7da15e13b23beeceb6779138ffe5.tar.zst
dexon-76821d167acd7da15e13b23beeceb6779138ffe5.zip
core, eth, rpc: avoid unnecessary block header copying
-rw-r--r--core/block_processor.go42
-rw-r--r--core/block_processor_test.go4
-rw-r--r--core/chain_manager.go6
-rw-r--r--eth/gasprice.go12
-rw-r--r--eth/handler.go2
-rw-r--r--rpc/api/parsing.go18
6 files changed, 44 insertions, 40 deletions
diff --git a/core/block_processor.go b/core/block_processor.go
index 4b27f8797..22d4c7c27 100644
--- a/core/block_processor.go
+++ b/core/block_processor.go
@@ -186,7 +186,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs st
txs := block.Transactions()
// Block validation
- if err = ValidateHeader(sm.Pow, header, parent.Header(), false); err != nil {
+ if err = ValidateHeader(sm.Pow, header, parent, false); err != nil {
return
}
@@ -285,19 +285,18 @@ func AccumulateRewards(statedb *state.StateDB, header *types.Header, uncles []*t
}
func (sm *BlockProcessor) VerifyUncles(statedb *state.StateDB, block, parent *types.Block) error {
- ancestors := set.New()
uncles := set.New()
- ancestorHeaders := make(map[common.Hash]*types.Header)
+ ancestors := make(map[common.Hash]*types.Block)
for _, ancestor := range sm.bc.GetBlocksFromHash(block.ParentHash(), 7) {
- ancestorHeaders[ancestor.Hash()] = ancestor.Header()
- ancestors.Add(ancestor.Hash())
+ ancestors[ancestor.Hash()] = ancestor
// Include ancestors uncles in the uncle set. Uncles must be unique.
for _, uncle := range ancestor.Uncles() {
uncles.Add(uncle.Hash())
}
}
-
+ ancestors[block.Hash()] = block
uncles.Add(block.Hash())
+
for i, uncle := range block.Uncles() {
hash := uncle.Hash()
if uncles.Has(hash) {
@@ -306,22 +305,20 @@ func (sm *BlockProcessor) VerifyUncles(statedb *state.StateDB, block, parent *ty
}
uncles.Add(hash)
- if ancestors.Has(hash) {
+ if ancestors[hash] != nil {
branch := fmt.Sprintf(" O - %x\n |\n", block.Hash())
- ancestors.Each(func(item interface{}) bool {
- branch += fmt.Sprintf(" O - %x\n |\n", hash)
- return true
- })
+ for h := range ancestors {
+ branch += fmt.Sprintf(" O - %x\n |\n", h)
+ }
glog.Infoln(branch)
-
return UncleError("uncle[%d](%x) is ancestor", i, hash[:4])
}
- if !ancestors.Has(uncle.ParentHash) || uncle.ParentHash == parent.Hash() {
+ if ancestors[uncle.ParentHash] == nil || uncle.ParentHash == parent.Hash() {
return UncleError("uncle[%d](%x)'s parent is not ancestor (%x)", i, hash[:4], uncle.ParentHash[0:4])
}
- if err := ValidateHeader(sm.Pow, uncle, ancestorHeaders[uncle.ParentHash], true); err != nil {
+ if err := ValidateHeader(sm.Pow, uncle, ancestors[uncle.ParentHash], true); err != nil {
return ValidationError(fmt.Sprintf("uncle[%d](%x) header invalid: %v", i, hash[:4], err))
}
}
@@ -360,19 +357,22 @@ func (sm *BlockProcessor) GetLogs(block *types.Block) (logs state.Logs, err erro
// See YP section 4.3.4. "Block Header Validity"
// Validates a block. Returns an error if the block is invalid.
-func ValidateHeader(pow pow.PoW, block, parent *types.Header, checkPow bool) error {
+func ValidateHeader(pow pow.PoW, block *types.Header, parent *types.Block, checkPow bool) error {
if big.NewInt(int64(len(block.Extra))).Cmp(params.MaximumExtraDataSize) == 1 {
return fmt.Errorf("Block extra data too long (%d)", len(block.Extra))
}
- expd := CalcDifficulty(int64(block.Time), int64(parent.Time), parent.Difficulty)
+ expd := CalcDifficulty(int64(block.Time), int64(parent.Time()), parent.Difficulty())
if expd.Cmp(block.Difficulty) != 0 {
return fmt.Errorf("Difficulty check failed for block %v, %v", block.Difficulty, expd)
}
- a := new(big.Int).Sub(block.GasLimit, parent.GasLimit)
+ var a, b *big.Int
+ a = parent.GasLimit()
+ a = a.Sub(a, block.GasLimit)
a.Abs(a)
- b := new(big.Int).Div(parent.GasLimit, params.GasLimitBoundDivisor)
+ b = parent.GasLimit()
+ b = b.Div(b, params.GasLimitBoundDivisor)
if !(a.Cmp(b) < 0) || (block.GasLimit.Cmp(params.MinGasLimit) == -1) {
return fmt.Errorf("GasLimit check failed for block %v (%v > %v)", block.GasLimit, a, b)
}
@@ -381,11 +381,13 @@ func ValidateHeader(pow pow.PoW, block, parent *types.Header, checkPow bool) err
return BlockFutureErr
}
- if new(big.Int).Sub(block.Number, parent.Number).Cmp(big.NewInt(1)) != 0 {
+ num := parent.Number()
+ num.Sub(block.Number, num)
+ if num.Cmp(big.NewInt(1)) != 0 {
return BlockNumberErr
}
- if block.Time <= parent.Time {
+ if block.Time <= uint64(parent.Time()) {
return BlockEqualTSErr //ValidationError("Block timestamp equal or less than previous block (%v - %v)", block.Time, parent.Time)
}
diff --git a/core/block_processor_test.go b/core/block_processor_test.go
index 5931a5f5e..dc328a3ea 100644
--- a/core/block_processor_test.go
+++ b/core/block_processor_test.go
@@ -32,13 +32,13 @@ func TestNumber(t *testing.T) {
statedb := state.New(chain.Genesis().Root(), chain.stateDb)
header := makeHeader(chain.Genesis(), statedb)
header.Number = big.NewInt(3)
- err := ValidateHeader(pow, header, chain.Genesis().Header(), false)
+ err := ValidateHeader(pow, header, chain.Genesis(), false)
if err != BlockNumberErr {
t.Errorf("expected block number error, got %q", err)
}
header = makeHeader(chain.Genesis(), statedb)
- err = ValidateHeader(pow, header, chain.Genesis().Header(), false)
+ err = ValidateHeader(pow, header, chain.Genesis(), false)
if err == BlockNumberErr {
t.Errorf("didn't expect block number error")
}
diff --git a/core/chain_manager.go b/core/chain_manager.go
index 8a8078381..070b6b1d0 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -164,7 +164,7 @@ func (bc *ChainManager) SetHead(head *types.Block) {
bc.mu.Lock()
defer bc.mu.Unlock()
- for block := bc.currentBlock; block != nil && block.Hash() != head.Hash(); block = bc.GetBlock(block.Header().ParentHash) {
+ for block := bc.currentBlock; block != nil && block.Hash() != head.Hash(); block = bc.GetBlock(block.ParentHash()) {
bc.removeBlock(block)
}
@@ -269,7 +269,7 @@ func (bc *ChainManager) Reset() {
bc.mu.Lock()
defer bc.mu.Unlock()
- for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.Header().ParentHash) {
+ for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.ParentHash()) {
bc.removeBlock(block)
}
@@ -294,7 +294,7 @@ func (bc *ChainManager) ResetWithGenesisBlock(gb *types.Block) {
bc.mu.Lock()
defer bc.mu.Unlock()
- for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.Header().ParentHash) {
+ for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.ParentHash()) {
bc.removeBlock(block)
}
diff --git a/eth/gasprice.go b/eth/gasprice.go
index cd5293691..44202d709 100644
--- a/eth/gasprice.go
+++ b/eth/gasprice.go
@@ -133,20 +133,20 @@ func (self *GasPriceOracle) lowestPrice(block *types.Block) *big.Int {
gasUsed = recepits[len(recepits)-1].CumulativeGasUsed
}
- if new(big.Int).Mul(gasUsed, big.NewInt(100)).Cmp(new(big.Int).Mul(block.Header().GasLimit,
+ if new(big.Int).Mul(gasUsed, big.NewInt(100)).Cmp(new(big.Int).Mul(block.GasLimit(),
big.NewInt(int64(self.eth.GpoFullBlockRatio)))) < 0 {
// block is not full, could have posted a tx with MinGasPrice
return self.eth.GpoMinGasPrice
}
- if len(block.Transactions()) < 1 {
+ txs := block.Transactions()
+ if len(txs) == 0 {
return self.eth.GpoMinGasPrice
}
-
// block is full, find smallest gasPrice
- minPrice := block.Transactions()[0].GasPrice()
- for i := 1; i < len(block.Transactions()); i++ {
- price := block.Transactions()[i].GasPrice()
+ minPrice := txs[0].GasPrice()
+ for i := 1; i < len(txs); i++ {
+ price := txs[i].GasPrice()
if price.Cmp(minPrice) < 0 {
minPrice = price
}
diff --git a/eth/handler.go b/eth/handler.go
index ad88e9c59..278a2bec2 100644
--- a/eth/handler.go
+++ b/eth/handler.go
@@ -93,7 +93,7 @@ func NewProtocolManager(protocolVersion, networkId int, mux *event.TypeMux, txpo
manager.downloader = downloader.New(manager.eventMux, manager.chainman.HasBlock, manager.chainman.GetBlock, manager.chainman.InsertChain, manager.removePeer)
validator := func(block *types.Block, parent *types.Block) error {
- return core.ValidateHeader(pow, block.Header(), parent.Header(), true)
+ return core.ValidateHeader(pow, block.Header(), parent, true)
}
heighter := func() uint64 {
return manager.chainman.CurrentBlock().NumberU64()
diff --git a/rpc/api/parsing.go b/rpc/api/parsing.go
index 85a9165e5..632462c31 100644
--- a/rpc/api/parsing.go
+++ b/rpc/api/parsing.go
@@ -270,29 +270,31 @@ func NewBlockRes(block *types.Block, fullTx bool) *BlockRes {
res.BlockHash = newHexData(block.Hash())
res.ParentHash = newHexData(block.ParentHash())
res.Nonce = newHexData(block.Nonce())
- res.Sha3Uncles = newHexData(block.Header().UncleHash)
+ res.Sha3Uncles = newHexData(block.UncleHash())
res.LogsBloom = newHexData(block.Bloom())
- res.TransactionRoot = newHexData(block.Header().TxHash)
+ res.TransactionRoot = newHexData(block.TxHash())
res.StateRoot = newHexData(block.Root())
- res.Miner = newHexData(block.Header().Coinbase)
+ res.Miner = newHexData(block.Coinbase())
res.Difficulty = newHexNum(block.Difficulty())
res.TotalDifficulty = newHexNum(block.Td)
res.Size = newHexNum(block.Size().Int64())
- res.ExtraData = newHexData(block.Header().Extra)
+ res.ExtraData = newHexData(block.Extra())
res.GasLimit = newHexNum(block.GasLimit())
res.GasUsed = newHexNum(block.GasUsed())
res.UnixTimestamp = newHexNum(block.Time())
- res.Transactions = make([]*TransactionRes, len(block.Transactions()))
- for i, tx := range block.Transactions() {
+ txs := block.Transactions()
+ res.Transactions = make([]*TransactionRes, len(txs))
+ for i, tx := range txs {
res.Transactions[i] = NewTransactionRes(tx)
res.Transactions[i].BlockHash = res.BlockHash
res.Transactions[i].BlockNumber = res.BlockNumber
res.Transactions[i].TxIndex = newHexNum(i)
}
- res.Uncles = make([]*UncleRes, len(block.Uncles()))
- for i, uncle := range block.Uncles() {
+ uncles := block.Uncles()
+ res.Uncles = make([]*UncleRes, len(uncles))
+ for i, uncle := range uncles {
res.Uncles[i] = NewUncleRes(uncle)
}