resolve conflicts

common/types.go

@@ -35,6 +35,11 @@ const (
 	RandomizeSMC        = "0x0000000000000000000000000000000000000090"
 	FoudationAddr       = "0x0000000000000000000000000000000000000068"
 	TeamAddr            = "0x0000000000000000000000000000000000000099"
+	VoteMethod          = "0x6dd7d8ea"
+	UnvoteMethod        = "0x02aa9be2"
+	ProposeMethod       = "0x01267951"
+	ResignMethod        = "0xae6e43f5"
+	SignMethod          = "0xe341eaa4"
 )
 
 var (
@@ -45,6 +50,11 @@ var (
 // Hash represents the 32 byte Keccak256 hash of arbitrary data.
 type Hash [HashLength]byte
 
+type Vote struct {
+	Masternode Address
+	Voter      Address
+}
+
 func BytesToHash(b []byte) Hash {
 	var h Hash
 	h.SetBytes(b)

consensus/posv/posv.go

@@ -49,6 +49,7 @@ import (
 
 const (
 	inmemorySnapshots      = 128 // Number of recent vote snapshots to keep in memory
+	blockSignersCacheLimit = 36000
 	M2ByteLength           = 4
 )
 
@@ -224,6 +225,7 @@ type Posv struct {
 	signFn clique.SignerFn // Signer function to authorize hashes with
 	lock   sync.RWMutex    // Protects the signer fields
 
+	BlockSigners  *lru.Cache
 	HookReward    func(chain consensus.ChainReader, state *state.StateDB, header *types.Header) (error, map[string]interface{})
 	HookPenalty   func(chain consensus.ChainReader, blockNumberEpoc uint64) ([]common.Address, error)
 	HookValidator func(header *types.Header, signers []common.Address) ([]byte, error)
@@ -239,6 +241,7 @@ func New(config *params.PosvConfig, db ethdb.Database) *Posv {
 		conf.Epoch = epochLength
 	}
 	// Allocate the snapshot caches and create the engine
+	BlockSigners, _ := lru.New(blockSignersCacheLimit)
 	recents, _ := lru.NewARC(inmemorySnapshots)
 	signatures, _ := lru.NewARC(inmemorySnapshots)
 	validatorSignatures, _ := lru.NewARC(inmemorySnapshots)
@@ -246,6 +249,7 @@ func New(config *params.PosvConfig, db ethdb.Database) *Posv {
 	return &Posv{
 		config:              &conf,
 		db:                  db,
+		BlockSigners:        BlockSigners,
 		recents:             recents,
 		signatures:          signatures,
 		verifiedHeaders:     verifiedHeaders,
@@ -849,6 +853,8 @@ func (c *Posv) Finalize(chain consensus.ChainReader, header *types.Header, state
 	number := header.Number.Uint64()
 	rCheckpoint := chain.Config().Posv.RewardCheckpoint
 
+	// _ = c.CacheData(header, txs, receipts)
+
 	if c.HookReward != nil && number%rCheckpoint == 0 {
 		err, rewards := c.HookReward(chain, state, header)
 		if err != nil {
@@ -930,8 +936,7 @@ func (c *Posv) Seal(chain consensus.ChainReader, block *types.Block, stop <-chan
 				if limit := uint64(2); number < limit || seen > number-limit {
 					// Only take into account the non-epoch blocks
 					if number%c.config.Epoch != 0 {
-						log.Info("len(masternodes)", len(masternodes), "number", number, "limit", limit, "seen", seen, "recent", recent.String(), "snap.Recents", snap.Recents)
-						log.Info("Signed recently, must wait for others")
+						log.Info("Signed recently, must wait for others ", "len(masternodes)", len(masternodes), "number", number, "limit", limit, "seen", seen, "recent", recent.String(), "snap.Recents", snap.Recents)
 						<-stop
 						return nil, nil
 					}
@@ -1020,6 +1025,36 @@ func (c *Posv) GetMasternodesFromCheckpointHeader(preCheckpointHeader *types.Hea
 	return masternodes
 }
 
+func (c *Posv) CacheData(header *types.Header, txs []*types.Transaction, receipts []*types.Receipt) error {
+	var signTxs []*types.Transaction
+	for _, tx := range txs {
+		if tx.IsSigningTransaction() {
+			var b uint
+			for _, r := range receipts {
+				if r.TxHash == tx.Hash() {
+					b = r.Status
+					break
+				}
+			}
+
+			if b == types.ReceiptStatusFailed {
+				continue
+			}
+
+			signTxs = append(signTxs, tx)
+		}
+	}
+
+	log.Debug("Save tx signers to cache", "hash", header.Hash().String(), "number", header.Number, "len(txs)", len(signTxs))
+	c.BlockSigners.Add(header.Hash(), signTxs)
+
+	return nil
+}
+
+func (c *Posv) GetDb() ethdb.Database {
+	return c.db
+}
+
 // Extract validators from byte array.
 func RemovePenaltiesFromBlock(chain consensus.ChainReader, masternodes []common.Address, epochNumber uint64) []common.Address {
 	if epochNumber <= 0 {

contracts/utils.go

@@ -215,7 +215,6 @@ func GetSignersFromContract1(addrBlockSigner common.Address, client bind.Contrac
 		log.Error("Fail get block signers", "error", err)
 		return nil, err
 	}
-
 	return addrs, nil
 }
 
@@ -307,7 +306,8 @@ func DecryptRandomizeFromSecretsAndOpening(secrets [][32]byte, opening [32]byte)
 	return random, nil
 }
 
-func GetRewardForCheckpoint(chain consensus.ChainReader, number uint64, rCheckpoint uint64, totalSigner *uint64, state *state.StateDB) (map[common.Address]*rewardLog, error) {
+// Calculate reward for reward checkpoint.
+func GetRewardForCheckpoint(c *posv.Posv, chain consensus.ChainReader, number uint64, rCheckpoint uint64, totalSigner *uint64) (map[common.Address]*rewardLog, error) {
 	// Not reward for singer of genesis block and only calculate reward at checkpoint block.
 	prevCheckpoint := number - (rCheckpoint * 2)
 	startBlockNumber := prevCheckpoint + 1
@@ -317,15 +317,53 @@ func GetRewardForCheckpoint(chain consensus.ChainReader, number uint64, rCheckpo
 	masternodes := posv.GetMasternodesFromCheckpointHeader(prevHeaderCheckpoint)
 
 	if len(masternodes) > 0 {
-		for i := startBlockNumber; i <= endBlockNumber; i++ {
-			bheader := chain.GetHeaderByNumber(i)
-			bhash := bheader.Hash()
-			block := chain.GetBlock(bhash, i)
-			addrs, err := GetSignersFromContract(state, block)
-			if err != nil {
-				log.Error("Fail to get signers from smartcontract.", "error", err, "blockNumber", i)
-				return nil, err
+
+		data := make(map[common.Hash][]common.Address)
+		for i := startBlockNumber; i <= prevCheckpoint+(rCheckpoint*2)-1; i++ {
+			header := chain.GetHeaderByNumber(i)
+
+			if signData, ok := c.BlockSigners.Get(header.Hash()); ok {
+				txs := signData.([]*types.Transaction)
+				for _, tx := range txs {
+					blkHash := common.BytesToHash(tx.Data()[len(tx.Data())-32:])
+					from := *tx.From()
+					data[blkHash] = append(data[blkHash], from)
 				}
+			} else {
+				log.Debug("Failed get from cached", "hash", header.Hash().String(), "number", i)
+				block := chain.GetBlock(header.Hash(), i)
+				txs := block.Transactions()
+				receipts := core.GetBlockReceipts(c.GetDb(), header.Hash(), i)
+
+				var signTxs []*types.Transaction
+				for _, tx := range txs {
+					if tx.IsSigningTransaction() {
+						var b uint
+						for _, r := range receipts {
+							if r.TxHash == tx.Hash() {
+								b = r.Status
+								break
+							}
+						}
+
+						if b == types.ReceiptStatusFailed {
+							continue
+						}
+
+						signTxs = append(signTxs, tx)
+						blkHash := common.BytesToHash(tx.Data()[len(tx.Data())-32:])
+						from := *tx.From()
+						data[blkHash] = append(data[blkHash], from)
+					}
+				}
+				c.BlockSigners.Add(header.Hash(), signTxs)
+
+			}
+		}
+
+		for i := startBlockNumber; i <= endBlockNumber; i++ {
+			block := chain.GetHeaderByNumber(i)
+			addrs := data[block.Hash()]
 			// Filter duplicate address.
 			if len(addrs) > 0 {
 				addrSigners := make(map[common.Address]bool)

core/blockchain.go

@@ -506,6 +506,12 @@ func (bc *BlockChain) insert(block *types.Block) {
 	}
 	bc.currentBlock.Store(block)
 
+	// save cache BlockSigners
+	if bc.chainConfig.Posv != nil {
+		engine := bc.Engine().(*posv.Posv)
+		engine.CacheData(block.Header(), block.Transactions(), bc.GetReceiptsByHash(block.Hash()))
+	}
+
 	// If the block is better than our head or is on a different chain, force update heads
 	if updateHeads {
 		bc.hc.SetCurrentHeader(block.Header())

core/types/transaction.go

@@ -195,6 +195,19 @@ func (tx *Transaction) To() *common.Address {
 	return &to
 }
 
+func (tx *Transaction) From() *common.Address {
+	if tx.data.V != nil {
+		signer := deriveSigner(tx.data.V)
+		if f, err := Sender(signer, tx); err != nil {
+			return nil
+		} else {
+			return &f
+		}
+	} else {
+		return nil
+	}
+}
+
 // Hash hashes the RLP encoding of tx.
 // It uniquely identifies the transaction.
 func (tx *Transaction) Hash() common.Hash {
@@ -274,6 +287,66 @@ func (tx *Transaction) IsSpecialTransaction() bool {
 	return tx.To().String() == common.RandomizeSMC || tx.To().String() == common.BlockSigners
 }
 
+func (tx *Transaction) IsSigningTransaction() bool {
+	if tx.To() == nil {
+		return false
+	}
+
+	if tx.To().String() != common.BlockSigners {
+		return false
+	}
+
+	method := common.ToHex(tx.Data()[0:4])
+
+	if method != common.SignMethod {
+		return false
+	}
+
+	if len(tx.Data()) != (32*2 + 4) {
+		return false
+	}
+
+	return true
+}
+
+func (tx *Transaction) IsVotingTransaction() (bool, *common.Address) {
+	if tx.To() == nil {
+		return false, nil
+	}
+	b := (tx.To().String() == common.MasternodeVotingSMC)
+
+	if !b {
+		return b, nil
+	}
+
+	method := common.ToHex(tx.Data()[0:4])
+	if b = (method == common.VoteMethod); b {
+		addr := tx.Data()[len(tx.Data())-20:]
+		m := common.BytesToAddress(addr)
+		return b, &m
+	}
+
+	if b = (method == common.UnvoteMethod); b {
+		addr := tx.Data()[len(tx.Data())-32-20 : len(tx.Data())-32]
+		m := common.BytesToAddress(addr)
+		return b, &m
+	}
+
+	if b = (method == common.ProposeMethod); b {
+		addr := tx.Data()[len(tx.Data())-20:]
+		m := common.BytesToAddress(addr)
+		return b, &m
+	}
+
+	if b = (method == common.ResignMethod); b {
+		addr := tx.Data()[len(tx.Data())-20:]
+		m := common.BytesToAddress(addr)
+		return b, &m
+	}
+
+	return b, nil
+}
+
 func (tx *Transaction) String() string {
 	var from, to string
 	if tx.data.V != nil {

eth/backend.go

@@ -308,7 +308,8 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
 				chainReward = rewardInflation(chainReward, number, common.BlocksPerYear)
 
 				totalSigner := new(uint64)
-				signers, err := contracts.GetRewardForCheckpoint(chain, number, rCheckpoint, totalSigner, canonicalState)
+				signers, err := contracts.GetRewardForCheckpoint(c, chain, number, rCheckpoint, totalSigner)
+
 				log.Debug("Time Get Signers", "block", header.Number.Uint64(), "time", common.PrettyDuration(time.Since(start)))
 				if err != nil {
 					log.Crit("Fail to get signers for reward checkpoint", "error", err)

internal/ethapi/api.go

@@ -859,6 +859,7 @@ func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx
 	var filterSigners []common.Address
 	finality := int32(0)
 	if b.Number().Int64() > 0 {
+		engine := s.b.GetEngine()
 		blockNr := rpc.BlockNumber(b.Number().Int64())
 		state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
 		if state == nil || err != nil {
@@ -870,7 +871,6 @@ func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx
 		}
 		// Get block epoc latest.
 		if s.b.ChainConfig().Posv != nil {
-			engine := s.b.GetEngine()
 			lastCheckpointNumber := rpc.BlockNumber(b.Number().Uint64() - (b.Number().Uint64() % s.b.ChainConfig().Posv.Epoch))
 			prevCheckpointBlock, _ := s.b.BlockByNumber(ctx, lastCheckpointNumber)
 			if prevCheckpointBlock != nil {

miner/worker.go

@@ -616,12 +616,12 @@ func (self *worker) commitNewWork() {
 			delete(self.possibleUncles, hash)
 		}
 	}
-	if atomic.LoadInt32(&self.mining) == 1 {
 	// Create the new block to seal with the consensus engine
 	if work.Block, err = self.engine.Finalize(self.chain, header, work.state, work.txs, uncles, work.receipts); err != nil {
 		log.Error("Failed to finalize block for sealing", "err", err)
 		return
 	}
+	if atomic.LoadInt32(&self.mining) == 1 {
 		log.Info("Committing new block", "number", work.Block.Number(), "txs", work.tcount, "special txs", len(specialTxs), "uncles", len(uncles), "elapsed", common.PrettyDuration(time.Since(tstart)))
 		self.unconfirmed.Shift(work.Block.NumberU64() - 1)
 		self.lastParentBlockCommit = parent.Hash().Hex()