code refactor for performance (#782)

Co-authored-by: liam.lai <liam.lai@us>

.github/workflows/deploy_rpc_image.yml

@@ -6,19 +6,19 @@ on:
       network:
         type: choice
         description: 'devnet, testnet, or mainnet'
-        options: 
+        options:
           - devnet
           - testnet
           - mainnet
       rpc_image:
         description: 'full image name'
-      
+
 jobs:
   ansible:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      
+
       - name: Update RPC nodes image
         uses: dawidd6/action-ansible-playbook@v2
         with:
@@ -38,4 +38,3 @@ jobs:
       - name: Send deployment notification
         run: |
           curl --location --request POST "66.94.98.186:8080/deploy?environment=${{inputs.network}}&service=xdc_rpc&version=${{inputs.rpc_image}}"
-  

consensus/XDPoS/engines/engine_v2/epochSwitch.go

@@ -98,7 +98,7 @@ func (x *XDPoS_v2) getEpochSwitchInfo(chain consensus.ChainReader, header *types
 
 // IsEpochSwitchAtRound() is used by miner to check whether it mines a block in the same epoch with parent
 func (x *XDPoS_v2) isEpochSwitchAtRound(round types.Round, parentHeader *types.Header) (bool, uint64, error) {
-	epochNum := x.config.V2.SwitchBlock.Uint64()/x.config.Epoch + uint64(round)/x.config.Epoch
+	epochNum := x.config.V2.SwitchEpoch + uint64(round)/x.config.Epoch
 	// if parent is last v1 block and this is first v2 block, this is treated as epoch switch
 	if parentHeader.Number.Cmp(x.config.V2.SwitchBlock) == 0 {
 		return true, epochNum, nil
@@ -127,7 +127,7 @@ func (x *XDPoS_v2) GetCurrentEpochSwitchBlock(chain consensus.ChainReader, block
 	}
 
 	currentCheckpointNumber := epochSwitchInfo.EpochSwitchBlockInfo.Number.Uint64()
-	epochNum := x.config.V2.SwitchBlock.Uint64()/x.config.Epoch + uint64(epochSwitchInfo.EpochSwitchBlockInfo.Round)/x.config.Epoch
+	epochNum := x.config.V2.SwitchEpoch + uint64(epochSwitchInfo.EpochSwitchBlockInfo.Round)/x.config.Epoch
 	return currentCheckpointNumber, epochNum, nil
 }
 
@@ -145,7 +145,7 @@ func (x *XDPoS_v2) IsEpochSwitch(header *types.Header) (bool, uint64, error) {
 	}
 	parentRound := quorumCert.ProposedBlockInfo.Round
 	epochStartRound := round - round%types.Round(x.config.Epoch)
-	epochNum := x.config.V2.SwitchBlock.Uint64()/x.config.Epoch + uint64(round)/x.config.Epoch
+	epochNum := x.config.V2.SwitchEpoch + uint64(round)/x.config.Epoch
 	// if parent is last v1 block and this is first v2 block, this is treated as epoch switch
 	if quorumCert.ProposedBlockInfo.Number.Cmp(x.config.V2.SwitchBlock) == 0 {
 		log.Info("[IsEpochSwitch] true, parent equals V2.SwitchBlock", "round", round, "number", header.Number.Uint64(), "hash", header.Hash())

consensus/XDPoS/engines/engine_v2/timeout.go

@@ -79,6 +79,43 @@ func (x *XDPoS_v2) onTimeoutPoolThresholdReached(blockChainReader consensus.Chai
 	return nil
 }
 
+func (x *XDPoS_v2) getTCEpochInfo(chain consensus.ChainReader, timeoutCert *types.TimeoutCert) (*types.EpochSwitchInfo, error) {
+
+	epochSwitchInfo, err := x.getEpochSwitchInfo(chain, (chain.CurrentHeader()), (chain.CurrentHeader()).Hash())
+	if err != nil {
+		log.Error("[getTCEpochInfo] Error when getting epoch switch info", "error", err)
+		return nil, fmt.Errorf("fail on getTCEpochInfo due to failure in getting epoch switch info, %s", err)
+	}
+
+	epochRound := epochSwitchInfo.EpochSwitchBlockInfo.Round
+	tempTCEpoch := x.config.V2.SwitchEpoch + uint64(epochRound)/x.config.Epoch
+
+	epochBlockInfo := &types.BlockInfo{
+		Hash:   epochSwitchInfo.EpochSwitchBlockInfo.Hash,
+		Round:  epochRound,
+		Number: epochSwitchInfo.EpochSwitchBlockInfo.Number,
+	}
+	log.Info("[getTCEpochInfo] Init epochInfo", "number", epochBlockInfo.Number, "round", epochRound, "tcRound", timeoutCert.Round, "tcEpoch", tempTCEpoch)
+	for epochBlockInfo.Round > timeoutCert.Round {
+		tempTCEpoch--
+		epochBlockInfo, err = x.GetBlockByEpochNumber(chain, tempTCEpoch)
+		if err != nil {
+			log.Error("[getTCEpochInfo] Error when getting epoch block info by tc round", "error", err)
+			return nil, fmt.Errorf("fail on getTCEpochInfo due to failure in getting epoch block info tc round, %s", err)
+		}
+		log.Debug("[getTCEpochInfo] Loop to get right epochInfo", "number", epochBlockInfo.Number, "round", epochBlockInfo.Round, "tcRound", timeoutCert.Round, "tcEpoch", tempTCEpoch)
+	}
+	tcEpoch := tempTCEpoch
+	log.Info("[getTCEpochInfo] Final TC epochInfo", "number", epochBlockInfo.Number, "round", epochBlockInfo.Round, "tcRound", timeoutCert.Round, "tcEpoch", tcEpoch)
+
+	epochInfo, err := x.getEpochSwitchInfo(chain, nil, epochBlockInfo.Hash)
+	if err != nil {
+		log.Error("[getTCEpochInfo] Error when getting epoch switch info", "error", err)
+		return nil, fmt.Errorf("fail on getTCEpochInfo due to failure in getting epoch switch info, %s", err)
+	}
+	return epochInfo, nil
+}
+
 func (x *XDPoS_v2) verifyTC(chain consensus.ChainReader, timeoutCert *types.TimeoutCert) error {
 	/*
 		1. Get epoch master node list by gapNumber
@@ -110,37 +147,9 @@ func (x *XDPoS_v2) verifyTC(chain consensus.ChainReader, timeoutCert *types.Time
 		}
 	}
 
-	epochSwitchInfo, err := x.getEpochSwitchInfo(chain, (chain.CurrentHeader()), (chain.CurrentHeader()).Hash())
+	epochInfo, err := x.getTCEpochInfo(chain, timeoutCert)
 	if err != nil {
-		log.Error("[verifyTC] Error when getting epoch switch info", "error", err)
-		return fmt.Errorf("fail on verifyTC due to failure in getting epoch switch info, %s", err)
-	}
-
-	epochRound := epochSwitchInfo.EpochSwitchBlockInfo.Round
-	tempTCEpoch := x.config.V2.SwitchBlock.Uint64()/x.config.Epoch + uint64(epochRound)/x.config.Epoch
-
-	epochBlockInfo := &types.BlockInfo{
-		Hash:   epochSwitchInfo.EpochSwitchBlockInfo.Hash,
-		Round:  epochRound,
-		Number: epochSwitchInfo.EpochSwitchBlockInfo.Number,
-	}
-	log.Info("[verifyTC] Init epochInfo", "number", epochBlockInfo.Number, "round", epochRound, "tcRound", timeoutCert.Round, "tcEpoch", tempTCEpoch)
-	for epochBlockInfo.Round > timeoutCert.Round {
-		tempTCEpoch--
-		epochBlockInfo, err = x.GetBlockByEpochNumber(chain, tempTCEpoch)
-		if err != nil {
-			log.Error("[verifyTC] Error when getting epoch block info by tc round", "error", err)
-			return fmt.Errorf("fail on verifyTC due to failure in getting epoch block info tc round, %s", err)
-		}
-		log.Debug("[verifyTC] Loop to get right epochInfo", "number", epochBlockInfo.Number, "round", epochBlockInfo.Round, "tcRound", timeoutCert.Round, "tcEpoch", tempTCEpoch)
-	}
-	tcEpoch := tempTCEpoch
-	log.Info("[verifyTC] Final TC epochInfo", "number", epochBlockInfo.Number, "round", epochBlockInfo.Round, "tcRound", timeoutCert.Round, "tcEpoch", tcEpoch)
-
-	epochInfo, err := x.getEpochSwitchInfo(chain, nil, epochBlockInfo.Hash)
-	if err != nil {
-		log.Error("[verifyTC] Error when getting epoch switch info", "error", err)
-		return fmt.Errorf("fail on verifyTC due to failure in getting epoch switch info, %s", err)
+		return err
 	}
 
 	certThreshold := x.config.V2.Config(uint64(timeoutCert.Round)).CertThreshold

consensus/XDPoS/engines/engine_v2/utils.go

@@ -296,19 +296,19 @@ func (x *XDPoS_v2) GetBlockByEpochNumber(chain consensus.ChainReader, targetEpoc
 	if err != nil {
 		return nil, err
 	}
-	epochNum := x.config.V2.SwitchBlock.Uint64()/x.config.Epoch + uint64(epochSwitchInfo.EpochSwitchBlockInfo.Round)/x.config.Epoch
+	epochNum := x.config.V2.SwitchEpoch + uint64(epochSwitchInfo.EpochSwitchBlockInfo.Round)/x.config.Epoch
 	// if current epoch is this epoch, we early return the result
 	if targetEpochNum == epochNum {
 		return epochSwitchInfo.EpochSwitchBlockInfo, nil
 	}
 	if targetEpochNum > epochNum {
 		return nil, errors.New("input epoch number > current epoch number")
 	}
-	if targetEpochNum < x.config.V2.SwitchBlock.Uint64()/x.config.Epoch {
+	if targetEpochNum < x.config.V2.SwitchEpoch {
 		return nil, errors.New("input epoch number < v2 begin epoch number")
 	}
 	// the block's round should be in [estRound,estRound+Epoch-1]
-	estRound := types.Round((targetEpochNum - x.config.V2.SwitchBlock.Uint64()/x.config.Epoch) * x.config.Epoch)
+	estRound := types.Round((targetEpochNum - x.config.V2.SwitchEpoch) * x.config.Epoch)
 	// check the round2epochBlockInfo cache
 	blockInfo := x.getBlockByEpochNumberInCache(chain, estRound)
 	if blockInfo != nil {
@@ -330,7 +330,7 @@ func (x *XDPoS_v2) GetBlockByEpochNumber(chain consensus.ChainReader, targetEpoc
 			return nil, err
 		}
 		for _, info := range epochSwitchInfos {
-			epochNum := x.config.V2.SwitchBlock.Uint64()/x.config.Epoch + uint64(info.EpochSwitchBlockInfo.Round)/x.config.Epoch
+			epochNum := x.config.V2.SwitchEpoch + uint64(info.EpochSwitchBlockInfo.Round)/x.config.Epoch
 			if epochNum == targetEpochNum {
 				return info.EpochSwitchBlockInfo, nil
 			}

params/config.go

@@ -180,6 +180,7 @@ var (
 			Gap:                 450,
 			FoudationWalletAddr: common.HexToAddress("xdc92a289fe95a85c53b8d0d113cbaef0c1ec98ac65"),
 			V2: &V2{
+				SwitchEpoch:   common.TIPV2SwitchBlock.Uint64() / 900,
 				SwitchBlock:   common.TIPV2SwitchBlock,
 				CurrentConfig: MainnetV2Configs[0],
 				AllConfigs:    MainnetV2Configs,
@@ -222,6 +223,7 @@ var (
 			Gap:                 450,
 			FoudationWalletAddr: common.HexToAddress("xdc746249c61f5832c5eed53172776b460491bdcd5c"),
 			V2: &V2{
+				SwitchEpoch:   common.TIPV2SwitchBlock.Uint64() / 900,
 				SwitchBlock:   common.TIPV2SwitchBlock,
 				CurrentConfig: TestnetV2Configs[0],
 				AllConfigs:    TestnetV2Configs,
@@ -246,6 +248,7 @@ var (
 			Gap:                 450,
 			FoudationWalletAddr: common.HexToAddress("0x746249c61f5832c5eed53172776b460491bdcd5c"),
 			V2: &V2{
+				SwitchEpoch:   common.TIPV2SwitchBlock.Uint64() / 900,
 				SwitchBlock:   common.TIPV2SwitchBlock,
 				CurrentConfig: DevnetV2Configs[0],
 				AllConfigs:    DevnetV2Configs,
@@ -269,6 +272,7 @@ var (
 			Period: 15,
 			Epoch:  900,
 			V2: &V2{
+				SwitchEpoch:   9999999999 / 900,
 				SwitchBlock:   big.NewInt(9999999999),
 				CurrentConfig: MainnetV2Configs[0],
 				AllConfigs:    MainnetV2Configs,
@@ -355,6 +359,7 @@ var (
 			FoudationWalletAddr: common.HexToAddress("0x0000000000000000000000000000000000000068"),
 			Reward:              250,
 			V2: &V2{
+				SwitchEpoch:   1,
 				SwitchBlock:   big.NewInt(900),
 				CurrentConfig: UnitTestV2Configs[0],
 				AllConfigs:    UnitTestV2Configs,
@@ -451,6 +456,7 @@ type XDPoSConfig struct {
 type V2 struct {
 	lock sync.RWMutex // Protects the signer fields
 
+	SwitchEpoch   uint64
 	SwitchBlock   *big.Int             `json:"switchBlock"`
 	CurrentConfig *V2Config            `json:"config"`
 	AllConfigs    map[uint64]*V2Config `json:"allConfigs"`

params/config_test.go

@@ -117,3 +117,22 @@ func TestBuildConfigIndex(t *testing.T) {
 	expected := []uint64{900, 10, 0}
 	assert.Equal(t, expected, index)
 }
+
+// Test switch epoch is switchblock divide into epoch per block
+func TestSwitchEpoch(t *testing.T) {
+	config := XDCMainnetChainConfig.XDPoS
+	epoch := config.Epoch
+	assert.Equal(t, config.V2.SwitchEpoch, config.V2.SwitchBlock.Uint64()/epoch)
+
+	config = TestnetChainConfig.XDPoS
+	epoch = config.Epoch
+	assert.Equal(t, config.V2.SwitchEpoch, config.V2.SwitchBlock.Uint64()/epoch)
+
+	config = DevnetChainConfig.XDPoS
+	epoch = config.Epoch
+	assert.Equal(t, config.V2.SwitchEpoch, config.V2.SwitchBlock.Uint64()/epoch)
+
+	config = TestXDPoSMockChainConfig.XDPoS
+	epoch = config.Epoch
+	assert.Equal(t, config.V2.SwitchEpoch, config.V2.SwitchBlock.Uint64()/epoch)
+}