core: various changes on tps tuning (#46)

4 files changed, 12 insertions, 11 deletions

diff --git a/core/blockchain.go b/core/blockchain.go
index aeec35cf0..2355e9490 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -1828,6 +1828,8 @@ func (bc *BlockChain) processPendingBlock(
 	bc.addPendingBlock(newPendingBlock, receipts)
 	events = append(events, BlockConfirmedEvent{newPendingBlock})
 
+	log.Debug("Inserted pending block", "height", newPendingBlock.Number(), "hash", newPendingBlock.Hash())
+
 	// Start insert available pending blocks into db
 	for pendingHeight := bc.CurrentBlock().NumberU64() + 1; pendingHeight <= witness.Height; pendingHeight++ {
 		pendingIns, exist := bc.pendingBlocks[pendingHeight]
diff --git a/core/genesis.go b/core/genesis.go
index c0231d922..57b7c619b 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -386,7 +386,7 @@ func DefaultGenesisBlock() *Genesis {
 		Timestamp:  1540024964,
 		Nonce:      0x42,
 		ExtraData:  hexutil.MustDecode("0x5765692d4e696e6720536f6e696320426f6a696520323031382d31302d32302e"),
-		GasLimit:   80000000,
+		GasLimit:   40000000,
 		Difficulty: big.NewInt(1),
 		Alloc:      decodePrealloc(mainnetAllocData),
 	}
@@ -398,7 +398,7 @@ func DefaultTestnetGenesisBlock() *Genesis {
 		Config:     params.TestnetChainConfig,
 		Nonce:      0x42,
 		ExtraData:  hexutil.MustDecode("0x3535353535353535353535353535353535353535353535353535353535353535"),
-		GasLimit:   80000000,
+		GasLimit:   40000000,
 		Difficulty: big.NewInt(1),
 		Alloc:      decodePrealloc(testnetAllocData),
 	}
diff --git a/core/tx_pool.go b/core/tx_pool.go
index 001aee6f9..2e8211208 100644
--- a/core/tx_pool.go
+++ b/core/tx_pool.go
@@ -152,7 +152,7 @@ var DefaultTxPoolConfig = TxPoolConfig{
 	PriceLimit: 1,
 	PriceBump:  10,
 
-	AccountSlots: 192,
+	AccountSlots: 512,
 	GlobalSlots:  40960,
 	AccountQueue: 1024,
 	GlobalQueue:  20240,
diff --git a/core/types/transaction_signing.go b/core/types/transaction_signing.go
index 47c7a2f91..99e0c7896 100644
--- a/core/types/transaction_signing.go
+++ b/core/types/transaction_signing.go
@@ -173,9 +173,13 @@ func Sender(signer Signer, tx *Transaction) (common.Address, error) {
 		}
 	}
 
-	addr, err := signer.Sender(tx)
-	if err != nil {
-		return common.Address{}, err
+	addr, ok := GlobalSigCache.Get(tx.Hash())
+	if !ok {
+		var err error
+		addr, err = signer.Sender(tx)
+		if err != nil {
+			return common.Address{}, err
+		}
 	}
 	tx.from.Store(sigCache{signer: signer, from: addr})
 	return addr, nil
@@ -218,11 +222,6 @@ func (s EIP155Signer) Equal(s2 Signer) bool {
 var big8 = big.NewInt(8)
 
 func (s EIP155Signer) Sender(tx *Transaction) (common.Address, error) {
-	addr, ok := GlobalSigCache.Get(tx.Hash())
-	if ok {
-		return addr, nil
-	}
-
 	if !tx.Protected() {
 		return HomesteadSigner{}.Sender(tx)
 	}