core: various changes on tps tuning (#46)

10 files changed, 23 insertions, 25 deletions

diff --git a/cmd/monkey/monkey.go b/cmd/monkey/monkey.go
index f55d195a6..b312ea473 100644
--- a/cmd/monkey/monkey.go
+++ b/cmd/monkey/monkey.go
@@ -128,7 +128,6 @@ func (m *Monkey) prepareTx(ctx *transferContext) *types.Transaction {
 func (m *Monkey) transfer(ctx *transferContext) {
 	tx := m.prepareTx(ctx)
 
-	fmt.Println("Sending TX", "fullhash", tx.Hash().String())
 	err := m.client.SendTransaction(context.Background(), tx)
 	if err != nil {
 		panic(err)
@@ -139,7 +138,6 @@ func (m *Monkey) batchTransfer(ctxs []*transferContext) {
 	txs := make([]*types.Transaction, len(ctxs))
 	for i, ctx := range ctxs {
 		txs[i] = m.prepareTx(ctx)
-		fmt.Println("Sending TX", "fullhash", txs[i].Hash().String())
 	}
 
 	err := m.client.SendTransactions(context.Background(), txs)
@@ -236,7 +234,6 @@ func (m *Monkey) Crazy() {
 	fmt.Println("Performing random transfers ...")
 	nonce := uint64(0)
 	for {
-		fmt.Println("nonce", nonce)
 		ctxs := make([]*transferContext, len(m.keys))
 		for i, key := range m.keys {
 			to := crypto.PubkeyToAddress(m.keys[rand.Int()%len(m.keys)].PublicKey)
@@ -256,6 +253,8 @@ func (m *Monkey) Crazy() {
 		if *batch {
 			m.batchTransfer(ctxs)
 		}
+		fmt.Printf("Sent %d transactions, nonce = %d\n", len(m.keys), nonce)
+
 		nonce += 1
 		time.Sleep(time.Duration(*sleep) * time.Millisecond)
 	}
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)
 	}
diff --git a/dex/app.go b/dex/app.go
index 623bb8dff..0e3f34f70 100644
--- a/dex/app.go
+++ b/dex/app.go
@@ -174,10 +174,9 @@ func (d *DexconApp) PreparePayload(position coreTypes.Position) (payload []byte,
 
 	chainID := new(big.Int).SetUint64(uint64(position.ChainID))
 	chainNums := new(big.Int).SetUint64(uint64(d.gov.GetNumChains(position.Round)))
-	blockGasLimit := new(big.Int).SetUint64(core.CalcGasLimit(d.blockchain.CurrentBlock(),
-		d.config.GasFloor, d.config.GasCeil))
+	blockGasLimit := new(big.Int).SetUint64(d.blockchain.CurrentBlock().GasLimit())
 	blockGasUsed := new(big.Int)
-	var allTxs types.Transactions
+	allTxs := make([]*types.Transaction, 0, 3000)
 
 addressMap:
 	for address, txs := range txsMap {
@@ -374,8 +373,7 @@ func (d *DexconApp) VerifyBlock(block *coreTypes.Block) coreTypes.BlockVerifySta
 	}
 
 	// Validate if balance is enough for TXs in this block.
-	blockGasLimit := new(big.Int).SetUint64(core.CalcGasLimit(
-		d.blockchain.CurrentBlock(), d.config.GasFloor, d.config.GasCeil))
+	blockGasLimit := new(big.Int).SetUint64(d.blockchain.CurrentBlock().GasLimit())
 	blockGasUsed := new(big.Int)
 
 	for _, tx := range transactions {
@@ -451,7 +449,6 @@ func (d *DexconApp) BlockDelivered(
 	}
 	d.chainLatestRoot.Store(block.Position.ChainID, root)
 
-	log.Info("Insert pending block success", "height", result.Height)
 	d.blockchain.RemoveConfirmedBlock(chainID, blockHash)
 }
 
diff --git a/dex/handler.go b/dex/handler.go
index 70c3d9806..fe48c455b 100644
--- a/dex/handler.go
+++ b/dex/handler.go
@@ -1117,7 +1117,7 @@ func (pm *ProtocolManager) txBroadcastLoop() {
 	txs := make(types.Transactions, 0)
 	for {
 		select {
-		case <-time.After(500 * time.Millisecond):
+		case <-time.After(100 * time.Millisecond):
 			pm.BroadcastTxs(txs)
 			txs = txs[:0]
 			currentSize = 0
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 1d560b385..45a0a3e10 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1279,6 +1279,7 @@ func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (c
 
 // submitTransactions is a helper function that submits batch of tx to txPool and logs a message.
 func submitTransactions(ctx context.Context, b Backend, txs []*types.Transaction) ([]common.Hash, error) {
+	types.GlobalSigCache.Add(types.NewEIP155Signer(b.ChainConfig().ChainID), txs)
 	errs := b.SendTxs(ctx, txs)
 	var hashes []common.Hash
 	for i, err := range errs {
diff --git a/params/config.go b/params/config.go
index 174aefd02..150990080 100644
--- a/params/config.go
+++ b/params/config.go
@@ -48,7 +48,7 @@ var (
 			Owner:            common.HexToAddress("BF8C48A620bacc46907f9B89732D25E47A2D7Cf7"),
 			MinStake:         new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e5)),
 			BlockReward:      big.NewInt(1e18),
-			BlockGasLimit:    80000000,
+			BlockGasLimit:    40000000,
 			NumChains:        4,
 			LambdaBA:         250,
 			LambdaDKG:        2500,
@@ -86,7 +86,7 @@ var (
 			Owner:            common.HexToAddress("BF8C48A620bacc46907f9B89732D25E47A2D7Cf7"),
 			MinStake:         new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e5)),
 			BlockReward:      big.NewInt(1e18),
-			BlockGasLimit:    80000000,
+			BlockGasLimit:    40000000,
 			NumChains:        6,
 			LambdaBA:         250,
 			LambdaDKG:        2500,
diff --git a/test/genesis.json b/test/genesis.json
index bc3e740ea..6a48eee29 100644
--- a/test/genesis.json
+++ b/test/genesis.json
@@ -14,7 +14,7 @@
       "owner": "0xBF8C48A620bacc46907f9B89732D25E47A2D7Cf7",
       "minStake": "0x152d02c7e14af6800000",
       "blockReward": "0xde0b6b3a7640000",
-      "blockGasLimit": 80000000,
+      "blockGasLimit": 40000000,
       "numChains": 6,
       "lambdaBA": 250,
       "lambdaDKG": 2500,
@@ -29,7 +29,7 @@
   "nonce": "0x42",
   "timestamp": "0x0",
   "extraData": "0x3535353535353535353535353535353535353535353535353535353535353535",
-  "gasLimit": "0x4c4b400",
+  "gasLimit": "0x2625a00",
   "difficulty": "0x1",
   "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
   "coinbase": "0x0000000000000000000000000000000000000000",