diff --git a/Makefile b/Makefile
index f6c39a66f2..f42dd76f87 100644
--- a/Makefile
+++ b/Makefile
@@ -183,6 +183,3 @@ debug_external: clean
 
 build_localnet_validator:
 	bash test/build-localnet-validator.sh
-
-generate:
-	bash ./scripts/gogenerate.sh
diff --git a/api/proto/message/message.pb.go b/api/proto/message/message.pb.go
index 1ba44920ae..b1367f3d7d 100644
--- a/api/proto/message/message.pb.go
+++ b/api/proto/message/message.pb.go
@@ -94,7 +94,6 @@ const (
 	MessageType_DRAND_COMMIT MessageType = 11
 	// Deprecated: Marked as deprecated in message.proto.
 	MessageType_LOTTERY_REQUEST MessageType = 12 // it should be either ENTER or GETPLAYERS but it will be removed later.
-	MessageType_LAST_SIGN_POWER MessageType = 13
 )
 
 // Enum value maps for MessageType.
@@ -111,7 +110,6 @@ var (
 		10: "DRAND_INIT",
 		11: "DRAND_COMMIT",
 		12: "LOTTERY_REQUEST",
-		13: "LAST_SIGN_POWER",
 	}
 	MessageType_value = map[string]int32{
 		"NEWNODE_BEACON_STAKING": 0,
@@ -125,7 +123,6 @@ var (
 		"DRAND_INIT":             10,
 		"DRAND_COMMIT":           11,
 		"LOTTERY_REQUEST":        12,
-		"LAST_SIGN_POWER":        13,
 	}
 )
 
@@ -228,7 +225,6 @@ type Message struct {
 	//	*Message_Drand
 	//	*Message_Viewchange
 	//	*Message_LotteryRequest
-	//	*Message_LastSignPower
 	Request isMessage_Request `protobuf_oneof:"request"`
 }
 
@@ -330,13 +326,6 @@ func (x *Message) GetLotteryRequest() *LotteryRequest {
 	return nil
 }
 
-func (x *Message) GetLastSignPower() *LastSignPowerRequest {
-	if x, ok := x.GetRequest().(*Message_LastSignPower); ok {
-		return x.LastSignPower
-	}
-	return nil
-}
-
 type isMessage_Request interface {
 	isMessage_Request()
 }
@@ -366,10 +355,6 @@ type Message_LotteryRequest struct {
 	LotteryRequest *LotteryRequest `protobuf:"bytes,8,opt,name=lottery_request,json=lotteryRequest,proto3,oneof"`
 }
 
-type Message_LastSignPower struct {
-	LastSignPower *LastSignPowerRequest `protobuf:"bytes,9,opt,name=last_sign_power,json=lastSignPower,proto3,oneof"`
-}
-
 func (*Message_Staking) isMessage_Request() {}
 
 func (*Message_Consensus) isMessage_Request() {}
@@ -380,8 +365,6 @@ func (*Message_Viewchange) isMessage_Request() {}
 
 func (*Message_LotteryRequest) isMessage_Request() {}
 
-func (*Message_LastSignPower) isMessage_Request() {}
-
 type Response struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -837,85 +820,6 @@ func (x *DrandRequest) GetPayload() []byte {
 	return nil
 }
 
-type LastSignPowerRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Prepare      int64  `protobuf:"varint,1,opt,name=prepare,proto3" json:"prepare,omitempty"`
-	Commit       int64  `protobuf:"varint,2,opt,name=commit,proto3" json:"commit,omitempty"`
-	Change       int64  `protobuf:"varint,3,opt,name=change,proto3" json:"change,omitempty"`
-	SenderPubkey []byte `protobuf:"bytes,4,opt,name=sender_pubkey,json=senderPubkey,proto3" json:"sender_pubkey,omitempty"`
-	ShardId      uint32 `protobuf:"varint,5,opt,name=shard_id,json=shardId,proto3" json:"shard_id,omitempty"`
-}
-
-func (x *LastSignPowerRequest) Reset() {
-	*x = LastSignPowerRequest{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_message_proto_msgTypes[7]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *LastSignPowerRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*LastSignPowerRequest) ProtoMessage() {}
-
-func (x *LastSignPowerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_message_proto_msgTypes[7]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use LastSignPowerRequest.ProtoReflect.Descriptor instead.
-func (*LastSignPowerRequest) Descriptor() ([]byte, []int) {
-	return file_message_proto_rawDescGZIP(), []int{7}
-}
-
-func (x *LastSignPowerRequest) GetPrepare() int64 {
-	if x != nil {
-		return x.Prepare
-	}
-	return 0
-}
-
-func (x *LastSignPowerRequest) GetCommit() int64 {
-	if x != nil {
-		return x.Commit
-	}
-	return 0
-}
-
-func (x *LastSignPowerRequest) GetChange() int64 {
-	if x != nil {
-		return x.Change
-	}
-	return 0
-}
-
-func (x *LastSignPowerRequest) GetSenderPubkey() []byte {
-	if x != nil {
-		return x.SenderPubkey
-	}
-	return nil
-}
-
-func (x *LastSignPowerRequest) GetShardId() uint32 {
-	if x != nil {
-		return x.ShardId
-	}
-	return 0
-}
-
 type ViewChangeRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -941,7 +845,7 @@ type ViewChangeRequest struct {
 func (x *ViewChangeRequest) Reset() {
 	*x = ViewChangeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_message_proto_msgTypes[8]
+		mi := &file_message_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -954,7 +858,7 @@ func (x *ViewChangeRequest) String() string {
 func (*ViewChangeRequest) ProtoMessage() {}
 
 func (x *ViewChangeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_message_proto_msgTypes[8]
+	mi := &file_message_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -967,7 +871,7 @@ func (x *ViewChangeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ViewChangeRequest.ProtoReflect.Descriptor instead.
 func (*ViewChangeRequest) Descriptor() ([]byte, []int) {
-	return file_message_proto_rawDescGZIP(), []int{8}
+	return file_message_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *ViewChangeRequest) GetViewId() uint64 {
@@ -1065,7 +969,7 @@ var File_message_proto protoreflect.FileDescriptor
 
 var file_message_proto_rawDesc = []byte{
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@@ -1093,136 +997,120 @@ var file_message_proto_rawDesc = []byte{
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+	0x45, 0x51, 0x55, 0x45, 0x53, 0x54, 0x10, 0x0c, 0x1a, 0x02, 0x08, 0x01, 0x32, 0x41, 0x0a, 0x0d,
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+	0x07, 0x50, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x12, 0x10, 0x2e, 0x6d, 0x65, 0x73, 0x73, 0x61,
+	0x67, 0x65, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x1a, 0x11, 0x2e, 0x6d, 0x65, 0x73,
+	0x73, 0x61, 0x67, 0x65, 0x2e, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42,
+	0x0c, 0x5a, 0x0a, 0x2e, 0x2f, 0x3b, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1238,20 +1126,19 @@ func file_message_proto_rawDescGZIP() []byte {
 }
 
 var file_message_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
-var file_message_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_message_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_message_proto_goTypes = []interface{}{
-	(ServiceType)(0),             // 0: message.ServiceType
-	(MessageType)(0),             // 1: message.MessageType
-	(LotteryRequest_Type)(0),     // 2: message.LotteryRequest.Type
-	(*Message)(nil),              // 3: message.Message
-	(*Response)(nil),             // 4: message.Response
-	(*LotteryResponse)(nil),      // 5: message.LotteryResponse
-	(*LotteryRequest)(nil),       // 6: message.LotteryRequest
-	(*StakingRequest)(nil),       // 7: message.StakingRequest
-	(*ConsensusRequest)(nil),     // 8: message.ConsensusRequest
-	(*DrandRequest)(nil),         // 9: message.DrandRequest
-	(*LastSignPowerRequest)(nil), // 10: message.LastSignPowerRequest
-	(*ViewChangeRequest)(nil),    // 11: message.ViewChangeRequest
+	(ServiceType)(0),          // 0: message.ServiceType
+	(MessageType)(0),          // 1: message.MessageType
+	(LotteryRequest_Type)(0),  // 2: message.LotteryRequest.Type
+	(*Message)(nil),           // 3: message.Message
+	(*Response)(nil),          // 4: message.Response
+	(*LotteryResponse)(nil),   // 5: message.LotteryResponse
+	(*LotteryRequest)(nil),    // 6: message.LotteryRequest
+	(*StakingRequest)(nil),    // 7: message.StakingRequest
+	(*ConsensusRequest)(nil),  // 8: message.ConsensusRequest
+	(*DrandRequest)(nil),      // 9: message.DrandRequest
+	(*ViewChangeRequest)(nil), // 10: message.ViewChangeRequest
 }
 var file_message_proto_depIdxs = []int32{
 	0,  // 0: message.Message.service_type:type_name -> message.ServiceType
@@ -1259,20 +1146,19 @@ var file_message_proto_depIdxs = []int32{
 	7,  // 2: message.Message.staking:type_name -> message.StakingRequest
 	8,  // 3: message.Message.consensus:type_name -> message.ConsensusRequest
 	9,  // 4: message.Message.drand:type_name -> message.DrandRequest
-	11, // 5: message.Message.viewchange:type_name -> message.ViewChangeRequest
+	10, // 5: message.Message.viewchange:type_name -> message.ViewChangeRequest
 	6,  // 6: message.Message.lottery_request:type_name -> message.LotteryRequest
-	10, // 7: message.Message.last_sign_power:type_name -> message.LastSignPowerRequest
-	0,  // 8: message.Response.service_type:type_name -> message.ServiceType
-	1,  // 9: message.Response.type:type_name -> message.MessageType
-	5,  // 10: message.Response.lottery_response:type_name -> message.LotteryResponse
-	2,  // 11: message.LotteryRequest.type:type_name -> message.LotteryRequest.Type
-	3,  // 12: message.ClientService.Process:input_type -> message.Message
-	4,  // 13: message.ClientService.Process:output_type -> message.Response
-	13, // [13:14] is the sub-list for method output_type
-	12, // [12:13] is the sub-list for method input_type
-	12, // [12:12] is the sub-list for extension type_name
-	12, // [12:12] is the sub-list for extension extendee
-	0,  // [0:12] is the sub-list for field type_name
+	0,  // 7: message.Response.service_type:type_name -> message.ServiceType
+	1,  // 8: message.Response.type:type_name -> message.MessageType
+	5,  // 9: message.Response.lottery_response:type_name -> message.LotteryResponse
+	2,  // 10: message.LotteryRequest.type:type_name -> message.LotteryRequest.Type
+	3,  // 11: message.ClientService.Process:input_type -> message.Message
+	4,  // 12: message.ClientService.Process:output_type -> message.Response
+	12, // [12:13] is the sub-list for method output_type
+	11, // [11:12] is the sub-list for method input_type
+	11, // [11:11] is the sub-list for extension type_name
+	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:11] is the sub-list for field type_name
 }
 
 func init() { file_message_proto_init() }
@@ -1366,18 +1252,6 @@ func file_message_proto_init() {
 			}
 		}
 		file_message_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LastSignPowerRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_message_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ViewChangeRequest); i {
 			case 0:
 				return &v.state
@@ -1396,7 +1270,6 @@ func file_message_proto_init() {
 		(*Message_Drand)(nil),
 		(*Message_Viewchange)(nil),
 		(*Message_LotteryRequest)(nil),
-		(*Message_LastSignPower)(nil),
 	}
 	file_message_proto_msgTypes[1].OneofWrappers = []interface{}{
 		(*Response_LotteryResponse)(nil),
@@ -1407,7 +1280,7 @@ func file_message_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_message_proto_rawDesc,
 			NumEnums:      3,
-			NumMessages:   9,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/api/proto/message/message.proto b/api/proto/message/message.proto
index 34e58a9176..8bbf30f7c1 100644
--- a/api/proto/message/message.proto
+++ b/api/proto/message/message.proto
@@ -29,7 +29,6 @@ enum MessageType {
   DRAND_INIT = 10 [deprecated=true];
   DRAND_COMMIT = 11 [deprecated=true];
   LOTTERY_REQUEST = 12 [deprecated=true]; // it should be either ENTER or GETPLAYERS but it will be removed later.
-  LAST_SIGN_POWER = 13;
 }
 
 // This is universal message for all communication protocols.
@@ -48,7 +47,6 @@ message Message {
     ViewChangeRequest viewchange = 7;
     // Refactor this later after demo.
     LotteryRequest lottery_request = 8 [deprecated=true];
-    LastSignPowerRequest last_sign_power = 9;
   }
 }
 
@@ -100,14 +98,6 @@ message DrandRequest {
   bytes payload = 4 [deprecated=true];
 }
 
-message LastSignPowerRequest {
-  int64 prepare = 1;
-  int64 commit = 2;
-  int64 change = 3;
-  bytes sender_pubkey = 4;
-  uint32 shard_id = 5;
-}
-
 message ViewChangeRequest {
   uint64 view_id = 1;
   uint64 block_num = 2;
diff --git a/consensus/consensus.go b/consensus/consensus.go
index 14475d25ce..a281a8ae7c 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -140,9 +140,6 @@ type Consensus struct {
 	// Both flags only for initialization state.
 	start           bool
 	isInitialLeader bool
-
-	// value receives from
-	lastKnownSignPower int64
 }
 
 // Blockchain returns the blockchain.
@@ -402,18 +399,6 @@ func (consensus *Consensus) InitConsensusWithValidators() (err error) {
 	return nil
 }
 
-func (consensus *Consensus) SetLastKnownSignPower(i int64) {
-	consensus.mutex.Lock()
-	defer consensus.mutex.Unlock()
-	consensus.lastKnownSignPower = i
-}
-
-func (consensus *Consensus) GetLastKnownSignPower() int64 {
-	consensus.mutex.RLock()
-	defer consensus.mutex.RUnlock()
-	return consensus.lastKnownSignPower
-}
-
 type downloadAsync struct {
 }
 
diff --git a/consensus/consensus_service.go b/consensus/consensus_service.go
index 1cb44169c9..e92e242765 100644
--- a/consensus/consensus_service.go
+++ b/consensus/consensus_service.go
@@ -7,7 +7,6 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	bls_core "github.com/harmony-one/bls/ffi/go/bls"
-	"github.com/harmony-one/harmony/api/proto"
 	msg_pb "github.com/harmony-one/harmony/api/proto/message"
 	consensus_engine "github.com/harmony-one/harmony/consensus/engine"
 	"github.com/harmony-one/harmony/consensus/quorum"
@@ -18,10 +17,8 @@ import (
 	bls_cosi "github.com/harmony-one/harmony/crypto/bls"
 	"github.com/harmony-one/harmony/crypto/hash"
 	"github.com/harmony-one/harmony/internal/chain"
-	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
 	"github.com/harmony-one/harmony/internal/utils"
 	"github.com/harmony-one/harmony/multibls"
-	"github.com/harmony-one/harmony/p2p"
 	"github.com/harmony-one/harmony/shard"
 	"github.com/harmony-one/harmony/shard/committee"
 	"github.com/harmony-one/harmony/webhooks"
@@ -156,47 +153,6 @@ func (consensus *Consensus) updateBitmaps() {
 
 }
 
-func (consensus *Consensus) sendLastSignPower() {
-	if consensus.isLeader() {
-		k, err := consensus.getLeaderPrivateKey(consensus.LeaderPubKey.Object)
-		if err != nil {
-			consensus.getLogger().Err(err).Msg("Leader not found in the committee")
-			return
-		}
-		comm, _ := consensus.decider.CurrentTotalPower(quorum.Commit)
-		prep, _ := consensus.decider.CurrentTotalPower(quorum.Prepare)
-		view, _ := consensus.decider.CurrentTotalPower(quorum.ViewChange)
-		msg := &msg_pb.Message{
-			ServiceType: msg_pb.ServiceType_CONSENSUS,
-			Type:        msg_pb.MessageType_LAST_SIGN_POWER,
-			Request: &msg_pb.Message_LastSignPower{
-				LastSignPower: &msg_pb.LastSignPowerRequest{
-					Prepare:      getOrZero(prep),
-					Commit:       getOrZero(comm),
-					Change:       getOrZero(view),
-					SenderPubkey: k.Pub.Bytes[:],
-					ShardId:      consensus.ShardID,
-				},
-			},
-		}
-		marshaledMessage, err := consensus.signAndMarshalConsensusMessage(msg, k.Pri)
-		if err != nil {
-			consensus.getLogger().Err(err).
-				Msg("[constructNewViewMessage] failed to sign and marshal the new view message")
-			return
-		}
-		msgToSend := proto.ConstructConsensusMessage(marshaledMessage)
-		if err := consensus.msgSender.SendWithoutRetry(
-			[]nodeconfig.GroupID{
-				nodeconfig.NewGroupIDByShardID(nodeconfig.ShardID(consensus.ShardID))},
-			p2p.ConstructMessage(msgToSend),
-		); err != nil {
-			consensus.getLogger().Err(err).
-				Msg("[LastSignPower] could not send out the ViewChange message")
-		}
-	}
-}
-
 // ResetState resets the state of the consensus
 func (consensus *Consensus) resetState() {
 	consensus.switchPhase("ResetState", FBFTAnnounce)
@@ -204,8 +160,6 @@ func (consensus *Consensus) resetState() {
 	consensus.blockHash = [32]byte{}
 	consensus.block = []byte{}
 	consensus.decider.ResetPrepareAndCommitVotes()
-	consensus.sendLastSignPower()
-
 	if consensus.prepareBitmap != nil {
 		consensus.prepareBitmap.Clear()
 	}
diff --git a/consensus/consensus_v2.go b/consensus/consensus_v2.go
index b9a93b9fcb..6caed6e504 100644
--- a/consensus/consensus_v2.go
+++ b/consensus/consensus_v2.go
@@ -20,7 +20,6 @@ import (
 	vrf_bls "github.com/harmony-one/harmony/crypto/vrf/bls"
 	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
 	"github.com/harmony-one/harmony/internal/utils"
-	"github.com/harmony-one/harmony/numeric"
 	"github.com/harmony-one/harmony/p2p"
 	"github.com/harmony-one/harmony/shard"
 	"github.com/harmony-one/vdf/src/vdf_go"
@@ -91,8 +90,6 @@ func (consensus *Consensus) HandleMessageUpdate(ctx context.Context, peer libp2p
 	case t == msg_pb.MessageType_NEWVIEW:
 		members := consensus.decider.Participants()
 		fbftMsg, err = ParseNewViewMessage(msg, members)
-	case t == msg_pb.MessageType_LAST_SIGN_POWER:
-		return nil
 	default:
 		fbftMsg, err = consensus.parseFBFTMessage(msg)
 	}
@@ -974,10 +971,3 @@ func (consensus *Consensus) DeleteMessagesLessThan(number uint64) {
 	defer consensus.mutex.Unlock()
 	consensus.fBFTLog.deleteMessagesLessThan(number)
 }
-
-func getOrZero(n *numeric.Dec) int64 {
-	if n == nil {
-		return 0
-	}
-	return (*n).Mul(numeric.NewDec(100)).TruncateInt64()
-}
diff --git a/consensus/fbft_log.go b/consensus/fbft_log.go
index 60c4d248e1..cec74e314b 100644
--- a/consensus/fbft_log.go
+++ b/consensus/fbft_log.go
@@ -36,7 +36,6 @@ type FBFTMessage struct {
 	M3AggSig           *bls_core.Sign
 	M3Bitmap           *bls_cosi.Mask
 	Verified           bool
-	LastVotePower      int64
 }
 
 func (m *FBFTMessage) Hash() []byte {
diff --git a/node/api.go b/node/api.go
index 4df6a8ffc8..d49d40f076 100644
--- a/node/api.go
+++ b/node/api.go
@@ -2,7 +2,9 @@ package node
 
 import (
 	"github.com/harmony-one/harmony/consensus/quorum"
+	"github.com/harmony-one/harmony/consensus/votepower"
 	"github.com/harmony-one/harmony/core/types"
+	"github.com/harmony-one/harmony/crypto/bls"
 	"github.com/harmony-one/harmony/eth/rpc"
 	"github.com/harmony-one/harmony/hmy"
 	"github.com/harmony-one/harmony/internal/tikv"
@@ -179,7 +181,27 @@ func (node *Node) GetLastSigningPower() (float64, error) {
 }
 
 func (node *Node) GetLastSigningPower2() (float64, error) {
-	p := node.Consensus.GetLastKnownSignPower()
-	round := float64(p) / 10000
+	bc := node.Consensus.Blockchain()
+	cur := bc.CurrentBlock()
+	ss, err := bc.ReadShardState(cur.Epoch())
+	if err != nil {
+		return 0, err
+	}
+	roster, err := votepower.Compute(&ss.Shards[bc.ShardID()], cur.Epoch())
+	if err != nil {
+		return 0, err
+	}
+	blsPubKeys, err := ss.Shards[bc.ShardID()].BLSPublicKeys()
+	if err != nil {
+		return 0, err
+	}
+
+	mask := bls.NewMask(blsPubKeys)
+	err = mask.SetMask(cur.Header().LastCommitBitmap())
+	if err != nil {
+		return 0, err
+	}
+	power := roster.VotePowerByMask(mask)
+	round := float64(power.MulInt64(10000).RoundInt64()) / 10000
 	return round, nil
 }
diff --git a/node/node.go b/node/node.go
index a007b7ab0c..846eaecebb 100644
--- a/node/node.go
+++ b/node/node.go
@@ -471,14 +471,12 @@ func (node *Node) validateNodeMessage(ctx context.Context, payload []byte) (
 	return payload[p2pNodeMsgPrefixSize:], msgType, nil
 }
 
-type ignore = bool
-
 // validateShardBoundMessage validate consensus message
 // validate shardID
 // validate public key size
 // verify message signature
 func validateShardBoundMessage(consensus *consensus.Consensus, peer libp2p_peer.ID, nodeConfig *nodeconfig.ConfigType, payload []byte,
-) (*msg_pb.Message, *bls.SerializedPublicKey, ignore, error) {
+) (*msg_pb.Message, *bls.SerializedPublicKey, bool, error) {
 	var (
 		m msg_pb.Message
 		//consensus = registry.GetConsensus()
@@ -530,16 +528,11 @@ func validateShardBoundMessage(consensus *consensus.Consensus, peer libp2p_peer.
 		}
 	}
 
-	var (
-		maybeCon     = m.GetConsensus()
-		maybeVC      = m.GetViewchange()
-		maybeSP      = m.GetLastSignPower()
-		senderKey    []byte
-		senderBitmap []byte
-	)
+	maybeCon, maybeVC := m.GetConsensus(), m.GetViewchange()
+	senderKey := []byte{}
+	senderBitmap := []byte{}
 
-	switch {
-	case maybeCon != nil:
+	if maybeCon != nil {
 		if maybeCon.ShardId != consensus.ShardID {
 			nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_shard"}).Inc()
 			return nil, nil, true, errors.WithStack(errWrongShardID)
@@ -553,7 +546,7 @@ func validateShardBoundMessage(consensus *consensus.Consensus, peer libp2p_peer.
 		if maybeCon.ViewId+5 < consensus.GetCurBlockViewID() {
 			return nil, nil, true, errors.WithStack(errViewIDTooOld)
 		}
-	case maybeVC != nil:
+	} else if maybeVC != nil {
 		if maybeVC.ShardId != consensus.ShardID {
 			nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_shard"}).Inc()
 			return nil, nil, true, errors.WithStack(errWrongShardID)
@@ -563,14 +556,7 @@ func validateShardBoundMessage(consensus *consensus.Consensus, peer libp2p_peer.
 		if maybeVC.ViewId+5 < consensus.GetViewChangingID() {
 			return nil, nil, true, errors.WithStack(errViewIDTooOld)
 		}
-	case maybeSP != nil:
-		if maybeSP.ShardId != consensus.ShardID {
-			nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid_shard"}).Inc()
-			return nil, nil, true, errors.WithStack(errWrongShardID)
-		}
-		senderKey = maybeSP.SenderPubkey
-		consensus.SetLastKnownSignPower(maybeSP.Commit)
-	default:
+	} else {
 		nodeConsensusMessageCounterVec.With(prometheus.Labels{"type": "invalid"}).Inc()
 		return nil, nil, true, errors.WithStack(errNoSenderPubKey)
 	}