add 0g code

app/app.go

@@ -118,6 +118,12 @@ import (
 	committeeclient "github.com/0glabs/0g-chain/x/committee/client"
 	committeekeeper "github.com/0glabs/0g-chain/x/committee/keeper"
 	committeetypes "github.com/0glabs/0g-chain/x/committee/types"
+	council "github.com/0glabs/0g-chain/x/council/v1"
+	councilkeeper "github.com/0glabs/0g-chain/x/council/v1/keeper"
+	counciltypes "github.com/0glabs/0g-chain/x/council/v1/types"
+	das "github.com/0glabs/0g-chain/x/das/v1"
+	daskeeper "github.com/0glabs/0g-chain/x/das/v1/keeper"
+	dastypes "github.com/0glabs/0g-chain/x/das/v1/types"
 	evmutil "github.com/0glabs/0g-chain/x/evmutil"
 	evmutilkeeper "github.com/0glabs/0g-chain/x/evmutil/keeper"
 	evmutiltypes "github.com/0glabs/0g-chain/x/evmutil/types"
@@ -171,6 +177,8 @@ var (
 		validatorvesting.AppModuleBasic{},
 		evmutil.AppModuleBasic{},
 		mint.AppModuleBasic{},
+		council.AppModuleBasic{},
+		das.AppModuleBasic{},
 	)
 
 	// module account permissions
@@ -715,6 +723,11 @@ func NewApp(
 	)
 	app.govKeeper.SetTallyHandler(tallyHandler)
 
+	app.CouncilKeeper = councilkeeper.NewKeeper(
+		keys[counciltypes.StoreKey], appCodec, app.stakingKeeper,
+	)
+	app.DasKeeper = daskeeper.NewKeeper(keys[dastypes.StoreKey], appCodec, app.stakingKeeper)
+
 	// create the module manager (Note: Any module instantiated in the module manager that is later modified
 	// must be passed by reference here.)
 	app.mm = module.NewManager(
@@ -1029,7 +1042,7 @@ func RegisterAPIRouteRewrites(router *mux.Router) {
 	// Eg: querying /cosmos/distribution/v1beta1/community_pool will return
 	// the same response as querying /kava/community/v1beta1/total_balance
 	routeMap := map[string]string{
-		"/cosmos/distribution/v1beta1/community_pool": "/kava/community/v1beta1/total_balance",
+		"/cosmos/distribution/v1beta1/community_pool": "/0g-chain/community/v1beta1/total_balance",
 	}
 
 	for clientPath, backendPath := range routeMap {

app/config.go

@@ -1,41 +0,0 @@
-package app
-
-import sdk "github.com/cosmos/cosmos-sdk/types"
-
-const (
-	// Bech32MainPrefix defines the Bech32 prefix for account addresses
-	Bech32MainPrefix = "kava"
-	// Bech32PrefixAccPub defines the Bech32 prefix of an account's public key
-	Bech32PrefixAccPub = Bech32MainPrefix + "pub"
-	// Bech32PrefixValAddr defines the Bech32 prefix of a validator's operator address
-	Bech32PrefixValAddr = Bech32MainPrefix + "val" + "oper"
-	// Bech32PrefixValPub defines the Bech32 prefix of a validator's operator public key
-	Bech32PrefixValPub = Bech32MainPrefix + "val" + "oper" + "pub"
-	// Bech32PrefixConsAddr defines the Bech32 prefix of a consensus node address
-	Bech32PrefixConsAddr = Bech32MainPrefix + "val" + "cons"
-	// Bech32PrefixConsPub defines the Bech32 prefix of a consensus node public key
-	Bech32PrefixConsPub = Bech32MainPrefix + "val" + "cons" + "pub"
-
-	Bip44CoinType = 459 // see https://github.com/satoshilabs/slips/blob/master/slip-0044.md
-)
-
-// SetSDKConfig configures the global config with kava app specific parameters.
-// It does not seal the config to allow modification in tests.
-func SetSDKConfig() *sdk.Config {
-	config := sdk.GetConfig()
-	SetBech32AddressPrefixes(config)
-	SetBip44CoinType(config)
-	return config
-}
-
-// SetBech32AddressPrefixes sets the global prefix to be used when serializing addresses to bech32 strings.
-func SetBech32AddressPrefixes(config *sdk.Config) {
-	config.SetBech32PrefixForAccount(Bech32MainPrefix, Bech32PrefixAccPub)
-	config.SetBech32PrefixForValidator(Bech32PrefixValAddr, Bech32PrefixValPub)
-	config.SetBech32PrefixForConsensusNode(Bech32PrefixConsAddr, Bech32PrefixConsPub)
-}
-
-// SetBip44CoinType sets the global coin type to be used in hierarchical deterministic wallets.
-func SetBip44CoinType(config *sdk.Config) {
-	config.SetCoinType(Bip44CoinType)
-}

app/test_common.go

@@ -79,7 +79,7 @@ type TestApp struct {
 //
 // Note, it also sets the sdk config with the app's address prefix, coin type, etc.
 func NewTestApp() TestApp {
-	SetSDKConfig()
+	chaincfg.SetSDKConfig()
 
 	return NewTestAppFromSealed()
 }

helper/da/client/client.go

@@ -0,0 +1,61 @@
+package client
+
+import (
+	"context"
+	"time"
+
+	"github.com/0glabs/0g-chain/helper/da/light"
+
+	"github.com/pkg/errors"
+)
+
+type DaLightRpcClient interface {
+	Sample(ctx context.Context, streamId, headerHash []byte, blobIdx, times uint32) (bool, error)
+	Destroy()
+	GetInstanceCount() int
+}
+
+type daLightClient struct {
+	maxInstance int
+	pool        ConnectionPool
+}
+
+func NewDaLightClient(address string, instanceLimit int) DaLightRpcClient {
+	return &daLightClient{
+		maxInstance: instanceLimit,
+		pool:        NewConnectionPool(address, instanceLimit, 10*time.Minute),
+	}
+}
+
+func (c *daLightClient) Sample(ctx context.Context, streamId, headerHash []byte, blobIdx, times uint32) (bool, error) {
+	connection, err := c.pool.GetConnection()
+	if err != nil {
+		return false, errors.Wrap(err, "failed to connect to da light server")
+	}
+	defer c.pool.ReleaseConnection(connection)
+
+	req := &light.SampleRequest{
+		StreamId:        streamId,
+		BatchHeaderHash: headerHash,
+		BlobIndex:       blobIdx,
+		Times:           times,
+	}
+	client := light.NewLightClient(connection)
+	reply, err := client.Sample(ctx, req)
+	if err != nil {
+		return false, errors.Wrap(err, "failed to sample from da light server")
+	}
+
+	return reply.Success, nil
+}
+
+func (c *daLightClient) Destroy() {
+	if c.pool != nil {
+		c.pool.Close()
+		c.pool = nil
+	}
+}
+
+func (c *daLightClient) GetInstanceCount() int {
+	return c.maxInstance
+}

helper/da/client/pool.go

@@ -0,0 +1,101 @@
+package client
+
+import (
+	"errors"
+	"sync"
+	"time"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/backoff"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+type ConnectionPool interface {
+	GetConnection() (*grpc.ClientConn, error)
+	ReleaseConnection(*grpc.ClientConn)
+	Close()
+}
+
+type connectionPoolImpl struct {
+	address string
+	maxSize int
+	timeout time.Duration
+	param   grpc.ConnectParams
+
+	mu   sync.Mutex
+	pool []*grpc.ClientConn
+}
+
+func NewConnectionPool(address string, maxSize int, timeout time.Duration) ConnectionPool {
+	return &connectionPoolImpl{
+		address: address,
+		maxSize: maxSize,
+		timeout: timeout,
+		param: grpc.ConnectParams{
+			Backoff: backoff.Config{
+				BaseDelay:  1.0 * time.Second,
+				Multiplier: 1.5,
+				Jitter:     0.2,
+				MaxDelay:   30 * time.Second,
+			},
+			MinConnectTimeout: 30 * time.Second,
+		},
+		pool: make([]*grpc.ClientConn, 0, maxSize),
+	}
+}
+
+func (p *connectionPoolImpl) GetConnection() (*grpc.ClientConn, error) {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
+	if p.pool == nil {
+		return nil, errors.New("connection pool is closed")
+	}
+
+	// Check if there's any available connection in the pool
+	if len(p.pool) > 0 {
+		conn := p.pool[0]
+		p.pool = p.pool[1:]
+		return conn, nil
+	}
+
+	// If the pool is empty, create a new connection
+	conn, err := grpc.Dial(p.address, grpc.WithBlock(),
+		grpc.WithConnectParams(p.param),
+		grpc.WithTransportCredentials(insecure.NewCredentials()))
+	if err != nil {
+		return nil, err
+	}
+	return conn, nil
+}
+
+func (p *connectionPoolImpl) ReleaseConnection(conn *grpc.ClientConn) {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
+	if p.pool != nil {
+		// If the pool is full, close the connection
+		if len(p.pool) >= p.maxSize {
+			conn.Close()
+			return
+		}
+
+		// Add the connection back to the pool
+		p.pool = append(p.pool, conn)
+	} else {
+		conn.Close()
+	}
+}
+
+func (p *connectionPoolImpl) Close() {
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
+	if p.pool != nil {
+		for _, conn := range p.pool {
+			conn.Close()
+		}
+
+		p.pool = nil
+	}
+}

helper/da/go.mod

@@ -0,0 +1,26 @@
+module github.com/0glabs/0g-chain/helper/da
+
+go 1.20
+
+require (
+	github.com/json-iterator/go v1.1.12
+	github.com/lesismal/nbio v1.5.4
+	github.com/pkg/errors v0.9.1
+	github.com/rs/zerolog v1.32.0
+	google.golang.org/grpc v1.63.2
+	google.golang.org/protobuf v1.33.0
+)
+
+require (
+	github.com/lesismal/llib v1.1.13 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/stretchr/testify v1.8.4 // indirect
+	golang.org/x/crypto v0.19.0 // indirect
+	golang.org/x/net v0.21.0 // indirect
+	golang.org/x/sys v0.17.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect
+)

helper/da/go.sum

@@ -0,0 +1,60 @@
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
+github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/lesismal/llib v1.1.13 h1:+w1+t0PykXpj2dXQck0+p6vdC9/mnbEXHgUy/HXDGfE=
+github.com/lesismal/llib v1.1.13/go.mod h1:70tFXXe7P1FZ02AU9l8LgSOK7d7sRrpnkUr3rd3gKSg=
+github.com/lesismal/nbio v1.5.4 h1:fZ6FOVZOBm7nFuudYsq+WyHJuM2UNuPdlvF/1LVa6lo=
+github.com/lesismal/nbio v1.5.4/go.mod h1:mvfYBAA1jmrafXf2XvkM28jWkMTfA5jGks+HKDBMmOc=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
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+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
+github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/zerolog v1.32.0 h1:keLypqrlIjaFsbmJOBdB/qvyF8KEtCWHwobLp5l/mQ0=
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+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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+google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY=
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+google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

helper/da/light/light.pb.go

@@ -0,0 +1,397 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v4.25.3
+// source: light/light.proto
+
+package light
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// SampleRequest contains the blob to sample (by batch and blob index) and required sample times
+type SampleRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	StreamId        []byte `protobuf:"bytes,1,opt,name=stream_id,json=streamId,proto3" json:"stream_id,omitempty"`
+	BatchHeaderHash []byte `protobuf:"bytes,2,opt,name=batch_header_hash,json=batchHeaderHash,proto3" json:"batch_header_hash,omitempty"`
+	BlobIndex       uint32 `protobuf:"varint,3,opt,name=blob_index,json=blobIndex,proto3" json:"blob_index,omitempty"`
+	Times           uint32 `protobuf:"varint,4,opt,name=times,proto3" json:"times,omitempty"`
+}
+
+func (x *SampleRequest) Reset() {
+	*x = SampleRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_light_light_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SampleRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SampleRequest) ProtoMessage() {}
+
+func (x *SampleRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_light_light_proto_msgTypes[0]
+	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 SampleRequest.ProtoReflect.Descriptor instead.
+func (*SampleRequest) Descriptor() ([]byte, []int) {
+	return file_light_light_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *SampleRequest) GetStreamId() []byte {
+	if x != nil {
+		return x.StreamId
+	}
+	return nil
+}
+
+func (x *SampleRequest) GetBatchHeaderHash() []byte {
+	if x != nil {
+		return x.BatchHeaderHash
+	}
+	return nil
+}
+
+func (x *SampleRequest) GetBlobIndex() uint32 {
+	if x != nil {
+		return x.BlobIndex
+	}
+	return 0
+}
+
+func (x *SampleRequest) GetTimes() uint32 {
+	if x != nil {
+		return x.Times
+	}
+	return 0
+}
+
+// SampleReply contains the sample result
+type SampleReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Success bool `protobuf:"varint,1,opt,name=success,proto3" json:"success,omitempty"`
+}
+
+func (x *SampleReply) Reset() {
+	*x = SampleReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_light_light_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SampleReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SampleReply) ProtoMessage() {}
+
+func (x *SampleReply) ProtoReflect() protoreflect.Message {
+	mi := &file_light_light_proto_msgTypes[1]
+	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 SampleReply.ProtoReflect.Descriptor instead.
+func (*SampleReply) Descriptor() ([]byte, []int) {
+	return file_light_light_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SampleReply) GetSuccess() bool {
+	if x != nil {
+		return x.Success
+	}
+	return false
+}
+
+type RetrieveRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	BatchHeaderHash []byte `protobuf:"bytes,1,opt,name=batch_header_hash,json=batchHeaderHash,proto3" json:"batch_header_hash,omitempty"`
+	BlobIndex       uint32 `protobuf:"varint,2,opt,name=blob_index,json=blobIndex,proto3" json:"blob_index,omitempty"`
+}
+
+func (x *RetrieveRequest) Reset() {
+	*x = RetrieveRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_light_light_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RetrieveRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RetrieveRequest) ProtoMessage() {}
+
+func (x *RetrieveRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_light_light_proto_msgTypes[2]
+	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 RetrieveRequest.ProtoReflect.Descriptor instead.
+func (*RetrieveRequest) Descriptor() ([]byte, []int) {
+	return file_light_light_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *RetrieveRequest) GetBatchHeaderHash() []byte {
+	if x != nil {
+		return x.BatchHeaderHash
+	}
+	return nil
+}
+
+func (x *RetrieveRequest) GetBlobIndex() uint32 {
+	if x != nil {
+		return x.BlobIndex
+	}
+	return 0
+}
+
+type RetrieveReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Status bool   `protobuf:"varint,1,opt,name=status,proto3" json:"status,omitempty"`
+	Data   []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+}
+
+func (x *RetrieveReply) Reset() {
+	*x = RetrieveReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_light_light_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RetrieveReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RetrieveReply) ProtoMessage() {}
+
+func (x *RetrieveReply) ProtoReflect() protoreflect.Message {
+	mi := &file_light_light_proto_msgTypes[3]
+	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 RetrieveReply.ProtoReflect.Descriptor instead.
+func (*RetrieveReply) Descriptor() ([]byte, []int) {
+	return file_light_light_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *RetrieveReply) GetStatus() bool {
+	if x != nil {
+		return x.Status
+	}
+	return false
+}
+
+func (x *RetrieveReply) GetData() []byte {
+	if x != nil {
+		return x.Data
+	}
+	return nil
+}
+
+var File_light_light_proto protoreflect.FileDescriptor
+
+var file_light_light_proto_rawDesc = []byte{
+	0x0a, 0x11, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x2f, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x12, 0x05, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x22, 0x8d, 0x01, 0x0a, 0x0d, 0x53,
+	0x61, 0x6d, 0x70, 0x6c, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1b, 0x0a, 0x09,
+	0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52,
+	0x08, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x49, 0x64, 0x12, 0x2a, 0x0a, 0x11, 0x62, 0x61, 0x74,
+	0x63, 0x68, 0x5f, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x5f, 0x68, 0x61, 0x73, 0x68, 0x18, 0x02,
+	0x20, 0x01, 0x28, 0x0c, 0x52, 0x0f, 0x62, 0x61, 0x74, 0x63, 0x68, 0x48, 0x65, 0x61, 0x64, 0x65,
+	0x72, 0x48, 0x61, 0x73, 0x68, 0x12, 0x1d, 0x0a, 0x0a, 0x62, 0x6c, 0x6f, 0x62, 0x5f, 0x69, 0x6e,
+	0x64, 0x65, 0x78, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x62, 0x6c, 0x6f, 0x62, 0x49,
+	0x6e, 0x64, 0x65, 0x78, 0x12, 0x14, 0x0a, 0x05, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x18, 0x04, 0x20,
+	0x01, 0x28, 0x0d, 0x52, 0x05, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x22, 0x27, 0x0a, 0x0b, 0x53, 0x61,
+	0x6d, 0x70, 0x6c, 0x65, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x18, 0x0a, 0x07, 0x73, 0x75, 0x63,
+	0x63, 0x65, 0x73, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x73, 0x75, 0x63, 0x63,
+	0x65, 0x73, 0x73, 0x22, 0x5c, 0x0a, 0x0f, 0x52, 0x65, 0x74, 0x72, 0x69, 0x65, 0x76, 0x65, 0x52,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x2a, 0x0a, 0x11, 0x62, 0x61, 0x74, 0x63, 0x68, 0x5f,
+	0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x5f, 0x68, 0x61, 0x73, 0x68, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x0c, 0x52, 0x0f, 0x62, 0x61, 0x74, 0x63, 0x68, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x48, 0x61,
+	0x73, 0x68, 0x12, 0x1d, 0x0a, 0x0a, 0x62, 0x6c, 0x6f, 0x62, 0x5f, 0x69, 0x6e, 0x64, 0x65, 0x78,
+	0x18, 0x02, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x62, 0x6c, 0x6f, 0x62, 0x49, 0x6e, 0x64, 0x65,
+	0x78, 0x22, 0x3b, 0x0a, 0x0d, 0x52, 0x65, 0x74, 0x72, 0x69, 0x65, 0x76, 0x65, 0x52, 0x65, 0x70,
+	0x6c, 0x79, 0x12, 0x16, 0x0a, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x08, 0x52, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x61,
+	0x74, 0x61, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x32, 0x79,
+	0x0a, 0x05, 0x4c, 0x69, 0x67, 0x68, 0x74, 0x12, 0x34, 0x0a, 0x06, 0x53, 0x61, 0x6d, 0x70, 0x6c,
+	0x65, 0x12, 0x14, 0x2e, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x2e, 0x53, 0x61, 0x6d, 0x70, 0x6c, 0x65,
+	0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x12, 0x2e, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x2e,
+	0x53, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x12, 0x3a, 0x0a,
+	0x08, 0x52, 0x65, 0x74, 0x72, 0x69, 0x65, 0x76, 0x65, 0x12, 0x16, 0x2e, 0x6c, 0x69, 0x67, 0x68,
+	0x74, 0x2e, 0x52, 0x65, 0x74, 0x72, 0x69, 0x65, 0x76, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x1a, 0x14, 0x2e, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x2e, 0x52, 0x65, 0x74, 0x72, 0x69, 0x65,
+	0x76, 0x65, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x22, 0x00, 0x42, 0x30, 0x5a, 0x2e, 0x67, 0x69, 0x74,
+	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x30, 0x67, 0x6c, 0x61, 0x62, 0x73, 0x2f, 0x30,
+	0x67, 0x2d, 0x64, 0x61, 0x74, 0x61, 0x2d, 0x61, 0x76, 0x61, 0x69, 0x6c, 0x2f, 0x72, 0x75, 0x6e,
+	0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x6c, 0x69, 0x67, 0x68, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
+}
+
+var (
+	file_light_light_proto_rawDescOnce sync.Once
+	file_light_light_proto_rawDescData = file_light_light_proto_rawDesc
+)
+
+func file_light_light_proto_rawDescGZIP() []byte {
+	file_light_light_proto_rawDescOnce.Do(func() {
+		file_light_light_proto_rawDescData = protoimpl.X.CompressGZIP(file_light_light_proto_rawDescData)
+	})
+	return file_light_light_proto_rawDescData
+}
+
+var file_light_light_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_light_light_proto_goTypes = []interface{}{
+	(*SampleRequest)(nil),   // 0: light.SampleRequest
+	(*SampleReply)(nil),     // 1: light.SampleReply
+	(*RetrieveRequest)(nil), // 2: light.RetrieveRequest
+	(*RetrieveReply)(nil),   // 3: light.RetrieveReply
+}
+var file_light_light_proto_depIdxs = []int32{
+	0, // 0: light.Light.Sample:input_type -> light.SampleRequest
+	2, // 1: light.Light.Retrieve:input_type -> light.RetrieveRequest
+	1, // 2: light.Light.Sample:output_type -> light.SampleReply
+	3, // 3: light.Light.Retrieve:output_type -> light.RetrieveReply
+	2, // [2:4] is the sub-list for method output_type
+	0, // [0:2] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_light_light_proto_init() }
+func file_light_light_proto_init() {
+	if File_light_light_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_light_light_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SampleRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_light_light_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SampleReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_light_light_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RetrieveRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_light_light_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RetrieveReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_light_light_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_light_light_proto_goTypes,
+		DependencyIndexes: file_light_light_proto_depIdxs,
+		MessageInfos:      file_light_light_proto_msgTypes,
+	}.Build()
+	File_light_light_proto = out.File
+	file_light_light_proto_rawDesc = nil
+	file_light_light_proto_goTypes = nil
+	file_light_light_proto_depIdxs = nil
+}

helper/da/light/light_grpc.pb.go

@@ -0,0 +1,141 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v4.25.3
+// source: light/light.proto
+
+package light
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// LightClient is the client API for Light service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type LightClient interface {
+	Sample(ctx context.Context, in *SampleRequest, opts ...grpc.CallOption) (*SampleReply, error)
+	Retrieve(ctx context.Context, in *RetrieveRequest, opts ...grpc.CallOption) (*RetrieveReply, error)
+}
+
+type lightClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewLightClient(cc grpc.ClientConnInterface) LightClient {
+	return &lightClient{cc}
+}
+
+func (c *lightClient) Sample(ctx context.Context, in *SampleRequest, opts ...grpc.CallOption) (*SampleReply, error) {
+	out := new(SampleReply)
+	err := c.cc.Invoke(ctx, "/light.Light/Sample", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *lightClient) Retrieve(ctx context.Context, in *RetrieveRequest, opts ...grpc.CallOption) (*RetrieveReply, error) {
+	out := new(RetrieveReply)
+	err := c.cc.Invoke(ctx, "/light.Light/Retrieve", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// LightServer is the server API for Light service.
+// All implementations must embed UnimplementedLightServer
+// for forward compatibility
+type LightServer interface {
+	Sample(context.Context, *SampleRequest) (*SampleReply, error)
+	Retrieve(context.Context, *RetrieveRequest) (*RetrieveReply, error)
+	mustEmbedUnimplementedLightServer()
+}
+
+// UnimplementedLightServer must be embedded to have forward compatible implementations.
+type UnimplementedLightServer struct {
+}
+
+func (UnimplementedLightServer) Sample(context.Context, *SampleRequest) (*SampleReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Sample not implemented")
+}
+func (UnimplementedLightServer) Retrieve(context.Context, *RetrieveRequest) (*RetrieveReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Retrieve not implemented")
+}
+func (UnimplementedLightServer) mustEmbedUnimplementedLightServer() {}
+
+// UnsafeLightServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to LightServer will
+// result in compilation errors.
+type UnsafeLightServer interface {
+	mustEmbedUnimplementedLightServer()
+}
+
+func RegisterLightServer(s grpc.ServiceRegistrar, srv LightServer) {
+	s.RegisterService(&Light_ServiceDesc, srv)
+}
+
+func _Light_Sample_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SampleRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(LightServer).Sample(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/light.Light/Sample",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(LightServer).Sample(ctx, req.(*SampleRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Light_Retrieve_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RetrieveRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(LightServer).Retrieve(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/light.Light/Retrieve",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(LightServer).Retrieve(ctx, req.(*RetrieveRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Light_ServiceDesc is the grpc.ServiceDesc for Light service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Light_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "light.Light",
+	HandlerType: (*LightServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Sample",
+			Handler:    _Light_Sample_Handler,
+		},
+		{
+			MethodName: "Retrieve",
+			Handler:    _Light_Retrieve_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "light/light.proto",
+}

helper/da/main.go

@@ -0,0 +1,89 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"io"
+	"log"
+	"net/url"
+	"os"
+	"os/signal"
+	"time"
+
+	"github.com/0glabs/0g-chain/helper/da/service"
+	"github.com/0glabs/0g-chain/helper/da/types"
+
+	"github.com/lesismal/nbio/nbhttp"
+	"github.com/lesismal/nbio/nbhttp/websocket"
+)
+
+const (
+	subscribeMsg = "{\"jsonrpc\":\"2.0\",\"method\":\"subscribe\",\"id\":1,\"params\":{\"query\":\"tm.event='Tx'\"}}"
+)
+
+var (
+	rpcAddress   = flag.String("rpc-address", "34.214.2.28:32001", "address of da-light rpc server")
+	wsAddress    = flag.String("ws-address", "127.0.0.1:26657", "address of emvos ws server")
+	relativePath = flag.String("relative-path", "", "relative path of evmosd")
+	account      = flag.String("account", "", "account to run evmosd cli")
+	keyring      = flag.String("keyring", "", "keyring to run evmosd cli")
+	homePath     = flag.String("home", "", "home path of evmosd node")
+)
+
+func newUpgrader() *websocket.Upgrader {
+	u := websocket.NewUpgrader()
+	u.OnMessage(func(c *websocket.Conn, messageType websocket.MessageType, data []byte) {
+		log.Println("onEcho:", string(data))
+		ctx := context.WithValue(context.Background(), types.DA_RPC_ADDRESS, *rpcAddress)
+		ctx = context.WithValue(ctx, types.NODE_CLI_RELATIVE_PATH, *relativePath)
+		ctx = context.WithValue(ctx, types.NODE_CLI_EXEC_ACCOUNT, *account)
+		ctx = context.WithValue(ctx, types.NODE_CLI_EXEC_KEYRING, *keyring)
+		ctx = context.WithValue(ctx, types.NODE_HOME_PATH, *homePath)
+		go func() { service.OnMessage(ctx, c, messageType, data) }()
+	})
+
+	u.OnClose(func(c *websocket.Conn, err error) {
+		fmt.Println("OnClose:", c.RemoteAddr().String(), err)
+		service.OnClose()
+	})
+
+	return u
+}
+
+func main() {
+	flag.Parse()
+	engine := nbhttp.NewEngine(nbhttp.Config{})
+	err := engine.Start()
+	if err != nil {
+		fmt.Printf("nbio.Start failed: %v\n", err)
+		return
+	}
+
+	go func() {
+		u := url.URL{Scheme: "ws", Host: *wsAddress, Path: "/websocket"}
+		dialer := &websocket.Dialer{
+			Engine:      engine,
+			Upgrader:    newUpgrader(),
+			DialTimeout: time.Second * 3,
+		}
+		c, res, err := dialer.Dial(u.String(), nil)
+		if err != nil {
+			if res != nil && res.Body != nil {
+				bReason, _ := io.ReadAll(res.Body)
+				fmt.Printf("dial failed: %v, reason: %v\n", err, string(bReason))
+			} else {
+				fmt.Printf("dial failed: %v\n", err)
+			}
+			return
+		}
+		c.WriteMessage(websocket.TextMessage, []byte(subscribeMsg))
+	}()
+
+	interrupt := make(chan os.Signal, 1)
+	signal.Notify(interrupt, os.Interrupt)
+	<-interrupt
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	engine.Shutdown(ctx)
+}

helper/da/proto/light.proto

@@ -0,0 +1,33 @@
+syntax = "proto3";
+
+package light;
+
+option go_package = "proto/light";
+
+service Light {
+  rpc Sample(SampleRequest) returns (SampleReply) {}
+  rpc Retrieve(RetrieveRequest) returns (RetrieveReply) {}
+}
+
+// SampleRequest contains the blob to sample (by batch and blob index) and required sample times
+message SampleRequest {
+  bytes stream_id = 1;
+  bytes batch_header_hash = 2;
+  uint32 blob_index = 3;
+  uint32 times = 4;
+}
+
+// SampleReply contains the sample result
+message SampleReply {
+  bool success = 1;
+}
+
+message RetrieveRequest {
+  bytes batch_header_hash = 1;
+  uint32 blob_index = 2;
+}
+
+message RetrieveReply {
+  bool status = 1;
+  bytes data = 2;
+}

helper/da/service/handler.go

@@ -0,0 +1,186 @@
+package service
+
+import (
+	"context"
+	"encoding/hex"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"github.com/0glabs/0g-chain/helper/da/client"
+	"github.com/0glabs/0g-chain/helper/da/types"
+	"github.com/0glabs/0g-chain/helper/da/utils/sizedw8grp"
+
+	jsoniter "github.com/json-iterator/go"
+	"github.com/lesismal/nbio/nbhttp/websocket"
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
+)
+
+const (
+	defaultClientInstance = 10
+)
+
+var rpcClient client.DaLightRpcClient
+
+func OnMessage(ctx context.Context, c *websocket.Conn, messageType websocket.MessageType, data []byte) {
+	if messageType == websocket.TextMessage {
+		rawMsg := unwrapJsonRpc(data)
+		if verifyQuery(rawMsg) {
+			eventStr := jsoniter.Get(rawMsg, "events").ToString()
+			events := map[string][]string{}
+			if err := jsoniter.UnmarshalFromString(eventStr, &events); err == nil {
+				dasRequestMap := make(map[string]string, 4)
+				for key, val := range events {
+					if strings.HasPrefix(key, "das_request.") {
+						dasRequestMap[strings.ReplaceAll(key, "das_request.", "")] = val[0]
+					}
+				}
+				if len(dasRequestMap) == 4 {
+					rid, _ := strconv.ParseUint(dasRequestMap["request_id"], 10, 64)
+					numBlobs, _ := strconv.ParseUint(dasRequestMap["num_blobs"], 10, 64)
+					req := types.DASRequest{
+						RequestId:       rid,
+						StreamId:        dasRequestMap["stream_id"],
+						BatchHeaderHash: dasRequestMap["batch_header_hash"],
+						NumBlobs:        numBlobs,
+					}
+					err := handleDasRequest(ctx, req)
+
+					if err != nil {
+						log.Err(err).Msgf("failed to handle das request: %v, %v", req, err)
+					} else {
+						log.Info().Msgf("successfully handled das request: %v", req)
+					}
+				}
+			}
+		}
+	} else {
+		// TODO: handle other message
+	}
+}
+
+func OnClose() {
+	if rpcClient != nil {
+		rpcClient.Destroy()
+		rpcClient = nil
+	}
+}
+
+func unwrapJsonRpc(data []byte) []byte {
+	result := jsoniter.Get(data, "result")
+	if 0 < len(result.Keys()) {
+		return []byte(result.ToString())
+	}
+	return []byte{}
+}
+
+func verifyQuery(data []byte) bool {
+	if len(data) > 0 {
+		return jsoniter.Get(data, "query").ToString() == "tm.event='Tx'"
+	}
+	return false
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+func handleDasRequest(ctx context.Context, request types.DASRequest) error {
+	if rpcClient == nil {
+		addrVal := ctx.Value(types.DA_RPC_ADDRESS)
+		if addrVal == nil {
+			return errors.New("da light service address not found in context")
+		}
+
+		limit := ctx.Value(types.INSTANCE_LIMIT)
+		if limit == nil {
+			limit = defaultClientInstance
+		}
+
+		rpcClient = client.NewDaLightClient(addrVal.(string), limit.(int))
+	}
+
+	streamID, err := hex.DecodeString(request.StreamId)
+	if err != nil {
+		return err
+	}
+
+	batchHeaderHash, err := hex.DecodeString(request.BatchHeaderHash)
+	if err != nil {
+		return err
+	}
+
+	result := make(chan bool, request.NumBlobs)
+	taskCnt := min(rpcClient.GetInstanceCount(), int(request.NumBlobs))
+	wg := sizedw8grp.New(taskCnt)
+
+	for i := uint64(0); i < request.NumBlobs; i++ {
+		wg.Add()
+		go func(idx uint64) {
+			defer wg.Done()
+			ret, err := rpcClient.Sample(ctx, streamID, batchHeaderHash, uint32(idx), 1)
+			if err != nil {
+				log.Err(err).Msgf("failed to sample data availability with blob index %d", idx)
+				result <- false
+			} else {
+				log.Info().Msgf("sample result for blob index %d: %v", idx, ret)
+				result <- ret
+			}
+		}(i)
+	}
+	wg.Wait()
+	close(result)
+
+	finalResult := true
+	for val := range result {
+		if !val {
+			finalResult = false
+			break
+		}
+	}
+
+	return runEvmosdCliReportDasResult(ctx, request.RequestId, finalResult)
+}
+
+func runEvmosdCliReportDasResult(ctx context.Context, requestId uint64, result bool) error {
+	relativePath := ctx.Value(types.NODE_CLI_RELATIVE_PATH)
+	if relativePath == nil {
+		return errors.New("relativePath not found in context")
+	}
+
+	account := ctx.Value(types.NODE_CLI_EXEC_ACCOUNT)
+	if account == nil {
+		return errors.New("account not found in context")
+	}
+
+	args := []string{
+		"tx",
+		"das",
+		"report-das-result",
+		strconv.FormatUint(requestId, 10),
+		strconv.FormatBool(result),
+		"--from", account.(string),
+		"--gas-prices", "7678500neuron", // TODO:  use args to set gas prices
+	}
+
+	homePath := ctx.Value(types.NODE_HOME_PATH)
+	if len(homePath.(string)) > 0 {
+		args = append(args, "--home", homePath.(string))
+	}
+
+	keyring := ctx.Value(types.NODE_CLI_EXEC_KEYRING)
+	if len(keyring.(string)) > 0 {
+		args = append(args, "--keyring-backend", keyring.(string))
+	}
+
+	cmdStr := relativePath.(string) + "0gchaind"
+	cmd := exec.Command(cmdStr, append(args, "-y")...)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	return cmd.Run()
+}

helper/da/types/dasreq.go

@@ -0,0 +1,8 @@
+package types
+
+type DASRequest struct {
+	RequestId       uint64 `json:"request_id"`
+	StreamId        string `json:"stream_id"`
+	BatchHeaderHash string `json:"batch_header_hash"`
+	NumBlobs        uint64 `json:"num_blobs"`
+}

helper/da/types/keys.go

@@ -0,0 +1,10 @@
+package types
+
+const (
+	DA_RPC_ADDRESS         = "rpc_address"
+	INSTANCE_LIMIT         = "instance_limit"
+	NODE_CLI_RELATIVE_PATH = "relative_path"
+	NODE_CLI_EXEC_ACCOUNT  = "node_exec_account"
+	NODE_CLI_EXEC_KEYRING  = "node_exec_keyring"
+	NODE_HOME_PATH         = "home_path"
+)

helper/da/utils/sizedw8grp/sizedw8grp.go

@@ -0,0 +1,51 @@
+package sizedw8grp
+
+import (
+	"context"
+	"math"
+	"sync"
+)
+
+type SizedWaitGroup struct {
+	Size int
+
+	current chan struct{}
+	wg      sync.WaitGroup
+}
+
+func New(limit int) SizedWaitGroup {
+	size := math.MaxInt32
+	if limit > 0 {
+		size = limit
+	}
+	return SizedWaitGroup{
+		Size: size,
+
+		current: make(chan struct{}, size),
+		wg:      sync.WaitGroup{},
+	}
+}
+
+func (s *SizedWaitGroup) Add() {
+	_ = s.AddWithContext(context.Background())
+}
+
+func (s *SizedWaitGroup) AddWithContext(ctx context.Context) error {
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case s.current <- struct{}{}:
+		break
+	}
+	s.wg.Add(1)
+	return nil
+}
+
+func (s *SizedWaitGroup) Done() {
+	<-s.current
+	s.wg.Done()
+}
+
+func (s *SizedWaitGroup) Wait() {
+	s.wg.Wait()
+}

proto/zgc/council/v1/genesis.proto

@@ -0,0 +1,52 @@
+syntax = "proto3";
+package zgc.council.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/council/v1/types";
+
+message Params {
+  uint64 council_size = 1;
+}
+
+// GenesisState defines the council module's genesis state.
+message GenesisState {
+  option (gogoproto.goproto_getters) = false;
+
+  Params params = 1 [(gogoproto.nullable) = false];
+  uint64 voting_start_height = 2;
+  uint64 voting_period = 3;
+  uint64 current_council_id = 4 [(gogoproto.customname) = "CurrentCouncilID"];
+  repeated Council councils = 5 [(gogoproto.nullable) = false];
+}
+
+message Council {
+  uint64 id = 1 [(gogoproto.customname) = "ID"];
+  uint64 voting_start_height = 2;
+  uint64 start_height = 3;
+  uint64 end_height = 4;
+  repeated Vote votes = 5 [(gogoproto.nullable) = false];  
+  repeated bytes members = 6 [
+    (cosmos_proto.scalar) = "cosmos.AddressBytes",
+    (gogoproto.casttype) = "github.com/cosmos/cosmos-sdk/types.ValAddress"
+  ];
+}
+
+message Vote {
+  option (gogoproto.goproto_getters) = false;
+
+  uint64 council_id = 1 [(gogoproto.customname) = "CouncilID"];
+  bytes voter = 2 [
+    (cosmos_proto.scalar) = "cosmos.AddressBytes",
+    (gogoproto.casttype) = "github.com/cosmos/cosmos-sdk/types.ValAddress"
+  ];
+  repeated Ballot ballots = 3;
+}
+
+message Ballot {
+  uint64 id = 1 [(gogoproto.customname) = "ID"];
+  bytes content = 2;
+}

proto/zgc/council/v1/query.proto

@@ -0,0 +1,34 @@
+syntax = "proto3";
+package zgc.council.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+import "zgc/council/v1/genesis.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/council/v1/types";
+option (gogoproto.goproto_getters_all) = false;
+
+// Query defines the gRPC querier service for council module
+service Query {
+  rpc CurrentCouncilID(QueryCurrentCouncilIDRequest) returns (QueryCurrentCouncilIDResponse) {
+    option (google.api.http).get = "/0gchain/council/v1/current-council-id";
+  }
+  rpc RegisteredVoters(QueryRegisteredVotersRequest) returns (QueryRegisteredVotersResponse) {
+    option (google.api.http).get = "/0gchain/council/v1/registered-voters";
+  }
+}
+
+message QueryCurrentCouncilIDRequest {}
+
+message QueryCurrentCouncilIDResponse {
+  uint64 current_council_id = 1 [(gogoproto.customname) = "CurrentCouncilID"];
+}
+
+message QueryRegisteredVotersRequest {}
+
+message QueryRegisteredVotersResponse {
+  repeated string voters = 1;
+}

proto/zgc/council/v1/tx.proto

@@ -0,0 +1,31 @@
+syntax = "proto3";
+package zgc.council.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "zgc/council/v1/genesis.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/council/v1/types";
+option (gogoproto.goproto_getters_all) = false;
+
+// Msg defines the council Msg service
+service Msg {
+    rpc Register(MsgRegister) returns (MsgRegisterResponse);
+    rpc Vote(MsgVote) returns (MsgVoteResponse);
+}
+
+message MsgRegister {
+    string voter = 1;
+    bytes key = 2;
+}
+
+message MsgRegisterResponse {}
+
+message MsgVote {
+    uint64 council_id = 1 [(gogoproto.customname) = "CouncilID"];
+    string voter = 2;
+    repeated Ballot ballots = 3;
+}
+
+message MsgVoteResponse {}

proto/zgc/das/v1/genesis.proto

@@ -0,0 +1,37 @@
+syntax = "proto3";
+package zgc.das.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/das/v1/types";
+
+message Params {}
+
+// GenesisState defines the das module's genesis state.
+message GenesisState {
+  option (gogoproto.goproto_getters) = false;
+
+  Params params = 1 [(gogoproto.nullable) = false];
+  uint64 next_request_id = 2 [(gogoproto.customname) = "NextRequestID"];
+  repeated DASRequest requests = 3 [(gogoproto.nullable) = false];
+  repeated DASResponse responses = 4 [(gogoproto.nullable) = false];
+}
+
+message DASRequest {
+  uint64 id = 1 [(gogoproto.customname) = "ID"];
+  bytes stream_id = 2 [(gogoproto.customname) = "StreamID"];
+  bytes batch_header_hash = 3;
+  uint32 num_blobs = 4;
+}
+
+message DASResponse {
+  uint64 id = 1 [(gogoproto.customname) = "ID"];
+  bytes sampler = 2 [
+    (cosmos_proto.scalar) = "cosmos.AddressBytes",
+    (gogoproto.casttype) = "github.com/cosmos/cosmos-sdk/types.ValAddress"
+  ];
+  repeated bool results = 3;
+}

proto/zgc/das/v1/query.proto

@@ -0,0 +1,24 @@
+syntax = "proto3";
+package zgc.das.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/api/annotations.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/das/v1/types";
+option (gogoproto.goproto_getters_all) = false;
+
+// Query defines the gRPC querier service for the das module
+service Query {
+  rpc NextRequestID(QueryNextRequestIDRequest) returns (QueryNextRequestIDResponse) {
+    option (google.api.http).get = "/0gchain/das/v1/next-request-id";
+  }
+}
+
+message QueryNextRequestIDRequest {}
+
+message QueryNextRequestIDResponse {
+  uint64 next_request_id = 1 [(gogoproto.customname) = "NextRequestID"];
+}

proto/zgc/das/v1/tx.proto

@@ -0,0 +1,35 @@
+syntax = "proto3";
+package zgc.das.v1;
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "zgc/das/v1/genesis.proto";
+
+option go_package = "github.com/0glabs/0g-chain/x/das/v1/types";
+option (gogoproto.goproto_getters_all) = false;
+
+// Msg defines the das Msg service
+service Msg {
+  rpc RequestDAS(MsgRequestDAS) returns (MsgRequestDASResponse);
+  rpc ReportDASResult(MsgReportDASResult) returns (MsgReportDASResultResponse);
+}
+
+message MsgRequestDAS {
+  string requester = 1 [(gogoproto.moretags) = "Requester"];
+  string stream_id = 2 [(gogoproto.customname) = "StreamID"];
+  string batch_header_hash = 3;
+  uint32 num_blobs = 4;
+}
+
+message MsgRequestDASResponse {
+  uint64 request_id = 1 [(gogoproto.customname) = "RequestID"];
+}
+
+message MsgReportDASResult {
+  uint64 request_id = 1 [(gogoproto.customname) = "RequestID"];
+  string sampler = 2;
+  repeated bool results = 3;
+}
+
+message MsgReportDASResultResponse {}

x/council/v1/client/cli/query.go

@@ -0,0 +1,87 @@
+package cli
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+)
+
+// GetQueryCmd returns the cli query commands for the inflation module.
+func GetQueryCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      "Querying commands for the council module",
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+
+	cmd.AddCommand(
+		GetCurrentCouncilID(),
+		GetRegisteredVoters(),
+	)
+
+	return cmd
+}
+
+func GetCurrentCouncilID() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "current-council-id",
+		Short: "Query the current council ID",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			queryClient := types.NewQueryClient(clientCtx)
+
+			params := &types.QueryCurrentCouncilIDRequest{}
+			res, err := queryClient.CurrentCouncilID(context.Background(), params)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintString(fmt.Sprintf("%v\n", res.CurrentCouncilID))
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}
+
+func GetRegisteredVoters() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "registered-voters",
+		Short: "Query registered voters",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			queryClient := types.NewQueryClient(clientCtx)
+
+			params := &types.QueryRegisteredVotersRequest{}
+			res, err := queryClient.RegisteredVoters(context.Background(), params)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintString(fmt.Sprintf("%v\n", strings.Join(res.Voters, ",")))
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}

x/council/v1/client/cli/tx.go

@@ -0,0 +1,198 @@
+package cli
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"strconv"
+
+	sdkmath "cosmossdk.io/math"
+	"github.com/0glabs/0g-chain/crypto/vrf"
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/client/tx"
+	sdkkr "github.com/cosmos/cosmos-sdk/crypto/keyring"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+
+	vrfalgo "github.com/coniks-sys/coniks-go/crypto/vrf"
+	"github.com/cosmos/cosmos-sdk/client/input"
+	"github.com/spf13/cobra"
+)
+
+// GetTxCmd returns the transaction commands for this module
+func GetTxCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      fmt.Sprintf("%s transactions subcommands", types.ModuleName),
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+	cmd.AddCommand(
+		NewRegisterCmd(),
+		NewVoteCmd(),
+	)
+	return cmd
+}
+
+func NewRegisterCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "register",
+		Short: "Register a voter",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			// bypass the restriction of set keyring options
+			ctx := client.GetClientContextFromCmd(cmd).WithKeyringOptions(vrf.VrfOption())
+			client.SetCmdClientContext(cmd, ctx)
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			kr := clientCtx.Keyring
+			// get account name by address
+			accAddr := clientCtx.GetFromAddress()
+			accRecord, err := kr.KeyByAddress(accAddr)
+			if err != nil {
+				// not found record by address in keyring
+				return nil
+			}
+
+			// check voter account record exists
+			voterAccName := accRecord.Name + "-voter"
+			_, err = kr.Key(voterAccName)
+			if err == nil {
+				// account exists, ask for user confirmation
+				response, err2 := input.GetConfirmation(fmt.Sprintf("override the existing name %s", voterAccName), bufio.NewReader(clientCtx.Input), cmd.ErrOrStderr())
+				if err2 != nil {
+					return err2
+				}
+
+				if !response {
+					return errors.New("aborted")
+				}
+
+				err2 = kr.Delete(voterAccName)
+				if err2 != nil {
+					return err2
+				}
+			}
+
+			keyringAlgos, _ := kr.SupportedAlgorithms()
+			algo, err := sdkkr.NewSigningAlgoFromString("vrf", keyringAlgos)
+			if err != nil {
+				return err
+			}
+
+			newRecord, err := kr.NewAccount(voterAccName, "", "", "", algo)
+			if err != nil {
+				return err
+			}
+
+			pubKey, err := newRecord.GetPubKey()
+			if err != nil {
+				return err
+			}
+
+			valAddr, err := sdk.ValAddressFromHex(hex.EncodeToString(clientCtx.GetFromAddress().Bytes()))
+			if err != nil {
+				return err
+			}
+
+			msg := &types.MsgRegister{
+				Voter: valAddr.String(),
+				Key:   pubKey.Bytes(),
+			}
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+	return cmd
+}
+
+func NewVoteCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "vote council-id",
+		Short: "Vote on a proposal",
+		Args:  cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			kr := clientCtx.Keyring
+
+			// get account name by address
+			inAddr := clientCtx.GetFromAddress()
+
+			valAddr, err := sdk.ValAddressFromHex(hex.EncodeToString(inAddr.Bytes()))
+			if err != nil {
+				return err
+			}
+
+			inRecord, err := kr.KeyByAddress(inAddr)
+			if err != nil {
+				// not found record by address in keyring
+				return nil
+			}
+
+			// check voter account record exists
+			voterAccName := inRecord.Name + "-voter"
+			voterRecord, err := kr.Key(voterAccName)
+			if err != nil {
+				// not found voter account
+				return err
+			}
+			sk := vrfalgo.PrivateKey(voterRecord.GetLocal().PrivKey.Value)
+
+			councilID, err := strconv.ParseUint(args[0], 10, 64)
+			if err != nil {
+				return err
+			}
+
+			votingStartHeight := types.DefaultVotingStartHeight + (councilID-1)*types.DefaultVotingPeriod
+
+			rsp, err := stakingtypes.NewQueryClient(clientCtx).HistoricalInfo(cmd.Context(), &stakingtypes.QueryHistoricalInfoRequest{Height: int64(votingStartHeight)})
+			if err != nil {
+				return err
+			}
+
+			var tokens sdkmath.Int
+			for _, val := range rsp.Hist.Valset {
+				thisValAddr := val.GetOperator()
+
+				if thisValAddr.Equals(valAddr) {
+					tokens = val.GetTokens()
+				}
+			}
+			// the denom of token is neuron, need to convert to A0GI
+			a0gi := tokens.Quo(sdk.NewInt(1_000_000_000_000_000_000))
+			// 1_000 0AGI token / vote
+			numBallots := a0gi.Quo(sdk.NewInt(1_000)).Uint64()
+			ballots := make([]*types.Ballot, numBallots)
+			for i := range ballots {
+				ballotID := uint64(i)
+				ballots[i] = &types.Ballot{
+					ID:      ballotID,
+					Content: sk.Compute(bytes.Join([][]byte{rsp.Hist.Header.LastCommitHash, types.Uint64ToBytes(ballotID)}, nil)),
+				}
+			}
+
+			msg := &types.MsgVote{
+				CouncilID: councilID,
+				Voter:     valAddr.String(),
+				Ballots:   ballots,
+			}
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+	return cmd
+}

x/council/v1/genesis.go

@@ -0,0 +1,56 @@
+package council
+
+import (
+	"fmt"
+
+	errorsmod "cosmossdk.io/errors"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/0glabs/0g-chain/x/council/v1/keeper"
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+)
+
+// InitGenesis initializes the store state from a genesis state.
+func InitGenesis(ctx sdk.Context, keeper keeper.Keeper, gs types.GenesisState) {
+	if err := gs.Validate(); err != nil {
+		panic(fmt.Sprintf("failed to validate %s genesis state: %s", types.ModuleName, err))
+	}
+
+	params := gs.Params
+	err := keeper.SetParams(ctx, params)
+	if err != nil {
+		panic(errorsmod.Wrapf(err, "error setting params"))
+	}
+
+	keeper.SetCurrentCouncilID(ctx, gs.CurrentCouncilID)
+
+	for _, p := range gs.Councils {
+		keeper.SetCouncil(ctx, p)
+	}
+}
+
+// ExportGenesis returns a GenesisState for a given context and keeper.
+func ExportGenesis(ctx sdk.Context, keeper keeper.Keeper) *types.GenesisState {
+	startHeight, err := keeper.GetVotingStartHeight(ctx)
+	if err != nil {
+		panic(err)
+	}
+
+	period, err := keeper.GetVotingPeriod(ctx)
+	if err != nil {
+		panic(err)
+	}
+
+	currentID, err := keeper.GetCurrentCouncilID(ctx)
+	if err != nil {
+		panic(err)
+	}
+
+	return types.NewGenesisState(
+		keeper.GetParams(ctx),
+		startHeight,
+		period,
+		currentID,
+		keeper.GetCouncils(ctx),
+	)
+}

x/council/v1/keeper/abci.go

@@ -0,0 +1,72 @@
+package keeper
+
+import (
+	"sort"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	abci "github.com/tendermint/tendermint/abci/types"
+)
+
+type Ballot struct {
+	voter   sdk.ValAddress
+	content string
+}
+
+func (k *Keeper) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {
+	councilID, err := k.GetCurrentCouncilID(ctx)
+	if err != nil {
+		// TODO: handle the case where councilID is not available
+		return
+	}
+	council, bz := k.GetCouncil(ctx, councilID)
+	if !bz {
+		return
+	}
+
+	if ctx.BlockHeight() >= int64(council.StartHeight) {
+		// We are ready to accept votes for the next council
+		if err := k.StoreNewCouncil(ctx, council.StartHeight); err != nil {
+			return
+		}
+	}
+
+	if ctx.BlockHeight() < int64(council.EndHeight) {
+		return
+	}
+
+	k.IncrementCurrentCouncilID(ctx)
+	council, bz = k.GetCouncil(ctx, councilID+1)
+	if !bz {
+		return
+	}
+
+	ballots := []Ballot{}
+	seen := make(map[string]struct{})
+	for _, vote := range council.Votes {
+		for _, ballot := range vote.Ballots {
+			ballot := Ballot{
+				voter:   vote.Voter,
+				content: string(ballot.Content),
+			}
+			if _, ok := seen[ballot.content]; ok {
+				continue
+			}
+			ballots = append(ballots, ballot)
+			seen[ballot.content] = struct{}{}
+		}
+	}
+	sort.Slice(ballots, func(i, j int) bool {
+		return ballots[i].content < ballots[j].content
+	})
+
+	councilSize := k.GetParams(ctx).CouncilSize
+	council.Members = make([]sdk.ValAddress, councilSize)
+	for i := 0; i < int(councilSize); i = i + 1 {
+		council.Members[i] = ballots[i].voter
+	}
+
+	k.SetCouncil(ctx, council)
+}
+
+func (k *Keeper) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) {
+}

x/council/v1/keeper/grpc_query.go

@@ -0,0 +1,35 @@
+package keeper
+
+import (
+	"context"
+
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var _ types.QueryServer = Keeper{}
+
+func (k Keeper) CurrentCouncilID(
+	c context.Context,
+	_ *types.QueryCurrentCouncilIDRequest,
+) (*types.QueryCurrentCouncilIDResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	currentCouncilID, err := k.GetCurrentCouncilID(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &types.QueryCurrentCouncilIDResponse{CurrentCouncilID: currentCouncilID}, nil
+}
+
+func (k Keeper) RegisteredVoters(
+	c context.Context,
+	_ *types.QueryRegisteredVotersRequest,
+) (*types.QueryRegisteredVotersResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	voterAddrs := k.GetVoters(ctx)
+	voters := make([]string, len(voterAddrs))
+	for i, voterAddr := range voterAddrs {
+		voters[i] = voterAddr.String()
+	}
+	return &types.QueryRegisteredVotersResponse{Voters: voters}, nil
+}

x/council/v1/keeper/keeper.go

@@ -0,0 +1,323 @@
+package keeper
+
+import (
+	"fmt"
+
+	errorsmod "cosmossdk.io/errors"
+	"github.com/coniks-sys/coniks-go/crypto/vrf"
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/store/prefix"
+	storetypes "github.com/cosmos/cosmos-sdk/store/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/tendermint/tendermint/libs/log"
+
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+)
+
+// Keeper of the inflation store
+type Keeper struct {
+	storeKey      storetypes.StoreKey
+	cdc           codec.BinaryCodec
+	stakingKeeper types.StakingKeeper
+}
+
+// NewKeeper creates a new mint Keeper instance
+func NewKeeper(
+	storeKey storetypes.StoreKey,
+	cdc codec.BinaryCodec,
+	stakingKeeper types.StakingKeeper,
+) Keeper {
+	return Keeper{
+		storeKey:      storeKey,
+		cdc:           cdc,
+		stakingKeeper: stakingKeeper,
+	}
+}
+
+// Logger returns a module-specific logger.
+func (k Keeper) Logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", "x/"+types.ModuleName)
+}
+
+// ------------------------------------------
+//				Councils
+// ------------------------------------------
+
+func (k Keeper) SetCurrentCouncilID(ctx sdk.Context, id uint64) {
+	store := ctx.KVStore(k.storeKey)
+	store.Set(types.CurrentCouncilIDKey, types.GetKeyFromID(id))
+}
+
+func (k Keeper) GetCurrentCouncilID(ctx sdk.Context) (uint64, error) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.CurrentCouncilIDKey)
+	if bz == nil {
+		return 0, errorsmod.Wrap(types.ErrInvalidGenesis, "current council ID not set at genesis")
+	}
+	return types.Uint64FromBytes(bz), nil
+}
+
+func (k Keeper) IncrementCurrentCouncilID(ctx sdk.Context) error {
+	id, err := k.GetCurrentCouncilID(ctx)
+	if err != nil {
+		return err
+	}
+	k.SetCurrentCouncilID(ctx, id+1)
+	return nil
+}
+
+func (k Keeper) SetVotingStartHeight(ctx sdk.Context, votingStartHeight uint64) {
+	store := ctx.KVStore(k.storeKey)
+	store.Set(types.VotingStartHeightKey, types.GetKeyFromID(votingStartHeight))
+}
+
+func (k Keeper) GetVotingStartHeight(ctx sdk.Context) (uint64, error) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.VotingStartHeightKey)
+	if bz == nil {
+		return 0, errorsmod.Wrap(types.ErrInvalidGenesis, "voting start height not set at genesis")
+	}
+	return types.Uint64FromBytes(bz), nil
+}
+
+func (k Keeper) SetVotingPeriod(ctx sdk.Context, votingPeriod uint64) {
+	store := ctx.KVStore(k.storeKey)
+	store.Set(types.VotingPeriodKey, types.GetKeyFromID(votingPeriod))
+}
+
+func (k Keeper) GetVotingPeriod(ctx sdk.Context) (uint64, error) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.VotingPeriodKey)
+	if bz == nil {
+		return 0, errorsmod.Wrap(types.ErrInvalidGenesis, "voting period not set at genesis")
+	}
+	return types.Uint64FromBytes(bz), nil
+}
+
+// StoreNewCouncil stores a council, adding a new ID
+func (k Keeper) StoreNewCouncil(ctx sdk.Context, votingStartHeight uint64) error {
+	currentCouncilID, err := k.GetCurrentCouncilID(ctx)
+	if err != nil {
+		return err
+	}
+
+	votingPeriod, err := k.GetVotingPeriod(ctx)
+	if err != nil {
+		return err
+	}
+	com := types.Council{
+		ID:                currentCouncilID + 1,
+		VotingStartHeight: votingStartHeight,
+		StartHeight:       votingStartHeight + votingPeriod,
+		EndHeight:         votingStartHeight + votingPeriod*2,
+		Votes:             []types.Vote{},
+		Members:           []sdk.ValAddress{},
+	}
+	k.SetCouncil(ctx, com)
+
+	return nil
+}
+
+func (k Keeper) GetCouncil(ctx sdk.Context, councilID uint64) (types.Council, bool) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.CouncilKeyPrefix)
+	bz := store.Get(types.GetKeyFromID(councilID))
+	if bz == nil {
+		return types.Council{}, false
+	}
+	var com types.Council
+	k.cdc.MustUnmarshal(bz, &com)
+	return com, true
+}
+
+// SetCouncil puts a council into the store.
+func (k Keeper) SetCouncil(ctx sdk.Context, council types.Council) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.CouncilKeyPrefix)
+	bz := k.cdc.MustMarshal(&council)
+	store.Set(types.GetKeyFromID(council.ID), bz)
+}
+
+// // DeleteProposal removes a proposal from the store.
+// func (k Keeper) DeleteProposal(ctx sdk.Context, proposalID uint64) {
+// 	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.ProposalKeyPrefix)
+// 	store.Delete(types.GetKeyFromID(proposalID))
+// }
+
+// IterateProposals provides an iterator over all stored proposals.
+// For each proposal, cb will be called. If cb returns true, the iterator will close and stop.
+func (k Keeper) IterateCouncil(ctx sdk.Context, cb func(proposal types.Council) (stop bool)) {
+	iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), types.CouncilKeyPrefix)
+
+	defer iterator.Close()
+	for ; iterator.Valid(); iterator.Next() {
+		var council types.Council
+		k.cdc.MustUnmarshal(iterator.Value(), &council)
+		if cb(council) {
+			break
+		}
+	}
+}
+
+func (k Keeper) GetCouncils(ctx sdk.Context) types.Councils {
+	results := types.Councils{}
+	k.IterateCouncil(ctx, func(prop types.Council) bool {
+		results = append(results, prop)
+		return false
+	})
+	return results
+}
+
+// // DeleteProposalAndVotes removes a proposal and its associated votes.
+// func (k Keeper) DeleteProposalAndVotes(ctx sdk.Context, proposalID uint64) {
+// 	votes := k.GetVotesByProposal(ctx, proposalID)
+// 	k.DeleteProposal(ctx, proposalID)
+// 	for _, v := range votes {
+// 		k.DeleteVote(ctx, v.ProposalID, v.Voter)
+// 	}
+// }
+
+// ------------------------------------------
+//				Votes
+// ------------------------------------------
+
+// GetVote gets a vote from the store.
+func (k Keeper) GetVote(ctx sdk.Context, epochID uint64, voter sdk.ValAddress) (types.Vote, bool) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.VoteKeyPrefix)
+	bz := store.Get(types.GetVoteKey(epochID, voter))
+	if bz == nil {
+		return types.Vote{}, false
+	}
+	var vote types.Vote
+	k.cdc.MustUnmarshal(bz, &vote)
+	return vote, true
+}
+
+// SetVote puts a vote into the store.
+func (k Keeper) SetVote(ctx sdk.Context, vote types.Vote) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.VoteKeyPrefix)
+	bz := k.cdc.MustMarshal(&vote)
+	store.Set(types.GetVoteKey(vote.CouncilID, vote.Voter), bz)
+}
+
+// DeleteVote removes a Vote from the store.
+func (k Keeper) DeleteVote(ctx sdk.Context, councilID uint64, voter sdk.ValAddress) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.VoteKeyPrefix)
+	store.Delete(types.GetVoteKey(councilID, voter))
+}
+
+// IterateVotes provides an iterator over all stored votes.
+// For each vote, cb will be called. If cb returns true, the iterator will close and stop.
+func (k Keeper) IterateVotes(ctx sdk.Context, cb func(vote types.Vote) (stop bool)) {
+	iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), types.VoteKeyPrefix)
+
+	defer iterator.Close()
+	for ; iterator.Valid(); iterator.Next() {
+		var vote types.Vote
+		k.cdc.MustUnmarshal(iterator.Value(), &vote)
+
+		if cb(vote) {
+			break
+		}
+	}
+}
+
+// GetVotes returns all stored votes.
+func (k Keeper) GetVotes(ctx sdk.Context) []types.Vote {
+	results := []types.Vote{}
+	k.IterateVotes(ctx, func(vote types.Vote) bool {
+		results = append(results, vote)
+		return false
+	})
+	return results
+}
+
+// GetVotesByProposal returns all votes for one proposal.
+func (k Keeper) GetVotesByCouncil(ctx sdk.Context, councilID uint64) []types.Vote {
+	results := []types.Vote{}
+	iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), append(types.VoteKeyPrefix, types.GetKeyFromID(councilID)...))
+
+	defer iterator.Close()
+	for ; iterator.Valid(); iterator.Next() {
+		var vote types.Vote
+		k.cdc.MustUnmarshal(iterator.Value(), &vote)
+		results = append(results, vote)
+	}
+
+	return results
+}
+
+// ------------------------------------------
+//				Voters
+// ------------------------------------------
+
+func (k Keeper) SetVoter(ctx sdk.Context, voter sdk.ValAddress, pk vrf.PublicKey) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.VoterKeyPrefix)
+	store.Set(types.GetVoterKey(voter), pk)
+	fmt.Printf("voterStoreKey: %v, publicKey: %v\n", types.GetVoterKey(voter), pk)
+}
+
+func (k Keeper) IterateVoters(ctx sdk.Context, cb func(voter sdk.ValAddress, pk vrf.PublicKey) (stop bool)) {
+	iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), types.VoterKeyPrefix)
+
+	defer iterator.Close()
+	for ; iterator.Valid(); iterator.Next() {
+		if cb(sdk.ValAddress(iterator.Key()[1:]), vrf.PublicKey(iterator.Value())) {
+			break
+		}
+	}
+}
+
+// GetVotes returns all stored voters
+func (k Keeper) GetVoters(ctx sdk.Context) []sdk.ValAddress {
+	results := []sdk.ValAddress{}
+	k.IterateVoters(ctx, func(voter sdk.ValAddress, _ vrf.PublicKey) bool {
+		results = append(results, voter)
+		return false
+	})
+	return results
+}
+
+func (k Keeper) AddVoter(ctx sdk.Context, voter sdk.ValAddress, key []byte) error {
+	if len(key) != vrf.PublicKeySize {
+		return types.ErrInvalidPublicKey
+	}
+
+	k.SetVoter(ctx, voter, vrf.PublicKey(key))
+
+	ctx.EventManager().EmitEvent(
+		sdk.NewEvent(
+			types.EventTypeRegister,
+			sdk.NewAttribute(types.AttributeKeyVoter, voter.String()),
+			// TODO: types.AttributeKeyPublicKey
+		),
+	)
+
+	return nil
+}
+
+func (k Keeper) AddVote(ctx sdk.Context, councilID uint64, voter sdk.ValAddress, ballots []*types.Ballot) error {
+	// Validate
+	com, found := k.GetCouncil(ctx, councilID)
+	if !found {
+		return errorsmod.Wrapf(types.ErrUnknownCouncil, "%d", councilID)
+	}
+	if com.HasVotingEndedBy(ctx.BlockHeight()) {
+		return errorsmod.Wrapf(types.ErrProposalExpired, "%d ≥ %d", ctx.BlockHeight(), com.StartHeight)
+	}
+
+	// TODO: verify if the voter is registered
+	// TODO: verify whether ballots are valid or not
+
+	// Store vote, overwriting any prior vote
+	k.SetVote(ctx, types.NewVote(councilID, voter, ballots))
+
+	ctx.EventManager().EmitEvent(
+		sdk.NewEvent(
+			types.EventTypeVote,
+			sdk.NewAttribute(types.AttributeKeyCouncilID, fmt.Sprintf("%d", com.ID)),
+			sdk.NewAttribute(types.AttributeKeyVoter, voter.String()),
+			// TODO: types.AttributeKeyBallots
+		),
+	)
+
+	return nil
+}

x/council/v1/keeper/msg_server.go

@@ -0,0 +1,51 @@
+// Copyright Tharsis Labs Ltd.(Evmos)
+// SPDX-License-Identifier:ENCL-1.0(https://github.com/evmos/evmos/blob/main/LICENSE)
+
+package keeper
+
+import (
+	"context"
+
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+)
+
+var _ types.MsgServer = &Keeper{}
+
+// Register handles MsgRegister messages
+func (k Keeper) Register(goCtx context.Context, msg *types.MsgRegister) (*types.MsgRegisterResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	valAddr, err := sdk.ValAddressFromBech32(msg.Voter)
+	if err != nil {
+		return nil, err
+	}
+
+	_, found := k.stakingKeeper.GetValidator(ctx, valAddr)
+	if !found {
+		return nil, stakingtypes.ErrNoValidatorFound
+	}
+
+	if err := k.AddVoter(ctx, valAddr, msg.Key); err != nil {
+		return nil, err
+	}
+
+	return &types.MsgRegisterResponse{}, nil
+}
+
+// Vote handles MsgVote messages
+func (k Keeper) Vote(goCtx context.Context, msg *types.MsgVote) (*types.MsgVoteResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	voter, err := sdk.ValAddressFromBech32(msg.Voter)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := k.AddVote(ctx, msg.CouncilID, voter, msg.Ballots); err != nil {
+		return nil, err
+	}
+
+	return &types.MsgVoteResponse{}, nil
+}

x/council/v1/keeper/params.go

@@ -0,0 +1,29 @@
+package keeper
+
+import (
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.ParamsKey)
+	if len(bz) == 0 {
+		return params
+	}
+
+	k.cdc.MustUnmarshal(bz, &params)
+	return params
+}
+
+func (k Keeper) SetParams(ctx sdk.Context, params types.Params) error {
+	store := ctx.KVStore(k.storeKey)
+	bz, err := k.cdc.Marshal(&params)
+	if err != nil {
+		return err
+	}
+
+	store.Set(types.ParamsKey, bz)
+
+	return nil
+}

x/council/v1/module.go

@@ -0,0 +1,182 @@
+package council
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/module"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
+	"github.com/gorilla/mux"
+	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	"github.com/spf13/cobra"
+	abci "github.com/tendermint/tendermint/abci/types"
+
+	"github.com/0glabs/0g-chain/x/council/v1/client/cli"
+	"github.com/0glabs/0g-chain/x/council/v1/keeper"
+	"github.com/0glabs/0g-chain/x/council/v1/types"
+)
+
+// consensusVersion defines the current x/council module consensus version.
+const consensusVersion = 1
+
+// type check to ensure the interface is properly implemented
+var (
+	_ module.AppModule      = AppModule{}
+	_ module.AppModuleBasic = AppModuleBasic{}
+	// _ module.AppModuleSimulation = AppModule{}
+	_ module.BeginBlockAppModule = AppModule{}
+	_ module.EndBlockAppModule   = AppModule{}
+)
+
+// app module Basics object
+type AppModuleBasic struct{}
+
+// Name returns the inflation module's name.
+func (AppModuleBasic) Name() string {
+	return types.ModuleName
+}
+
+// RegisterLegacyAminoCodec registers the inflation module's types on the given LegacyAmino codec.
+func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {}
+
+// ConsensusVersion returns the consensus state-breaking version for the module.
+func (AppModuleBasic) ConsensusVersion() uint64 {
+	return consensusVersion
+}
+
+// RegisterInterfaces registers interfaces and implementations of the incentives
+// module.
+func (AppModuleBasic) RegisterInterfaces(interfaceRegistry codectypes.InterfaceRegistry) {
+	types.RegisterInterfaces(interfaceRegistry)
+}
+
+// DefaultGenesis returns default genesis state as raw bytes for the incentives
+// module.
+func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
+	return cdc.MustMarshalJSON(types.DefaultGenesisState())
+}
+
+// ValidateGenesis performs genesis state validation for the inflation module.
+func (b AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ client.TxEncodingConfig, bz json.RawMessage) error {
+	var genesisState types.GenesisState
+	if err := cdc.UnmarshalJSON(bz, &genesisState); err != nil {
+		return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
+	}
+
+	return genesisState.Validate()
+}
+
+// RegisterRESTRoutes performs a no-op as the inflation module doesn't expose REST
+// endpoints
+func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {}
+
+// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the inflation module.
+func (b AppModuleBasic) RegisterGRPCGatewayRoutes(c client.Context, serveMux *runtime.ServeMux) {
+	if err := types.RegisterQueryHandlerClient(context.Background(), serveMux, types.NewQueryClient(c)); err != nil {
+		panic(err)
+	}
+}
+
+// GetTxCmd returns the root tx command for the inflation module.
+func (AppModuleBasic) GetTxCmd() *cobra.Command { return cli.GetTxCmd() }
+
+// GetQueryCmd returns no root query command for the inflation module.
+func (AppModuleBasic) GetQueryCmd() *cobra.Command {
+	return cli.GetQueryCmd()
+}
+
+// ___________________________________________________________________________
+
+// AppModule implements an application module for the inflation module.
+type AppModule struct {
+	AppModuleBasic
+	keeper keeper.Keeper
+	sk     stakingkeeper.Keeper
+}
+
+// NewAppModule creates a new AppModule Object
+func NewAppModule(
+	k keeper.Keeper,
+	sk stakingkeeper.Keeper,
+) AppModule {
+	return AppModule{
+		AppModuleBasic: AppModuleBasic{},
+		keeper:         k,
+		sk:             sk,
+	}
+}
+
+// Name returns the inflation module's name.
+func (AppModule) Name() string {
+	return types.ModuleName
+}
+
+// Route returns evmutil module's message route.
+func (am AppModule) Route() sdk.Route { return sdk.Route{} }
+
+// QuerierRoute returns evmutil module's query routing key.
+func (AppModule) QuerierRoute() string { return "" }
+
+// LegacyQuerierHandler returns evmutil module's Querier.
+func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
+	return nil
+}
+
+// RegisterInvariants registers the inflation module invariants.
+func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
+
+// RegisterServices registers a gRPC query service to respond to the
+// module-specific gRPC queries.
+func (am AppModule) RegisterServices(cfg module.Configurator) {
+	types.RegisterMsgServer(cfg.MsgServer(), am.keeper)
+	types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
+}
+
+func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
+	am.keeper.BeginBlock(ctx, req)
+}
+
+func (am AppModule) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) []abci.ValidatorUpdate {
+	am.keeper.EndBlock(ctx, req)
+	return []abci.ValidatorUpdate{}
+}
+
+// InitGenesis performs genesis initialization for the inflation module. It returns
+// no validator updates.
+func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
+	var genesisState types.GenesisState
+
+	cdc.MustUnmarshalJSON(data, &genesisState)
+	InitGenesis(ctx, am.keeper, genesisState)
+	return []abci.ValidatorUpdate{}
+}
+
+// ExportGenesis returns the exported genesis state as raw bytes for the inflation
+// module.
+func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
+	gs := ExportGenesis(ctx, am.keeper)
+	return cdc.MustMarshalJSON(gs)
+}
+
+// ___________________________________________________________________________
+
+// AppModuleSimulation functions
+
+// GenerateGenesisState creates a randomized GenState of the inflation module.
+func (am AppModule) GenerateGenesisState(_ *module.SimulationState) {
+}
+
+// RegisterStoreDecoder registers a decoder for inflation module's types.
+func (am AppModule) RegisterStoreDecoder(_ sdk.StoreDecoderRegistry) {
+}
+
+// WeightedOperations doesn't return any inflation module operation.
+func (am AppModule) WeightedOperations(_ module.SimulationState) []simtypes.WeightedOperation {
+	return []simtypes.WeightedOperation{}
+}

x/council/v1/types/codec.go

@@ -0,0 +1,52 @@
+package types
+
+import (
+	"github.com/0glabs/0g-chain/crypto/vrf"
+	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
+)
+
+var (
+	amino = codec.NewLegacyAmino()
+	// ModuleCdc references the global evm module codec. Note, the codec should
+	// ONLY be used in certain instances of tests and for JSON encoding.
+	ModuleCdc = codec.NewProtoCodec(codectypes.NewInterfaceRegistry())
+
+	// AminoCdc is a amino codec created to support amino JSON compatible msgs.
+	AminoCdc = codec.NewAminoCodec(amino)
+)
+
+const (
+	// Amino names
+	registerName = "evmos/council/MsgRegister"
+	voteName     = "evmos/council/MsgVote"
+)
+
+// NOTE: This is required for the GetSignBytes function
+func init() {
+	RegisterLegacyAminoCodec(amino)
+	amino.Seal()
+}
+
+// RegisterInterfaces register implementations
+func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
+	registry.RegisterImplementations(
+		(*sdk.Msg)(nil),
+		&MsgRegister{},
+		&MsgVote{},
+	)
+
+	registry.RegisterImplementations((*cryptotypes.PubKey)(nil), &vrf.PubKey{})
+	registry.RegisterImplementations((*cryptotypes.PrivKey)(nil), &vrf.PrivKey{})
+
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
+}
+
+// RegisterLegacyAminoCodec required for EIP-712
+func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
+	cdc.RegisterConcrete(&MsgRegister{}, registerName, nil)
+	cdc.RegisterConcrete(&MsgVote{}, voteName, nil)
+}

x/council/v1/types/council.go

@@ -0,0 +1,21 @@
+package types
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+type Councils []Council
+type Votes []Vote
+
+func (c Council) HasVotingEndedBy(height int64) bool {
+	return height >= int64(c.StartHeight)
+}
+
+// NewVote instantiates a new instance of Vote
+func NewVote(councilID uint64, voter sdk.ValAddress, ballots []*Ballot) Vote {
+	return Vote{
+		CouncilID: councilID,
+		Voter:     voter,
+		Ballots:   ballots,
+	}
+}

x/council/v1/types/epoch.go

@@ -0,0 +1,3 @@
+package types
+
+type Epoch struct{}

x/council/v1/types/errors.go

@@ -0,0 +1,19 @@
+package types
+
+import errorsmod "cosmossdk.io/errors"
+
+var (
+	ErrUnknownCouncil          = errorsmod.Register(ModuleName, 2, "council not found")
+	ErrInvalidCouncil          = errorsmod.Register(ModuleName, 3, "invalid council")
+	ErrUnknownProposal         = errorsmod.Register(ModuleName, 4, "proposal not found")
+	ErrProposalExpired         = errorsmod.Register(ModuleName, 5, "proposal expired")
+	ErrInvalidPubProposal      = errorsmod.Register(ModuleName, 6, "invalid pubproposal")
+	ErrUnknownVote             = errorsmod.Register(ModuleName, 7, "vote not found")
+	ErrInvalidGenesis          = errorsmod.Register(ModuleName, 8, "invalid genesis")
+	ErrNoProposalHandlerExists = errorsmod.Register(ModuleName, 9, "pubproposal has no corresponding handler")
+	ErrUnknownSubspace         = errorsmod.Register(ModuleName, 10, "subspace not found")
+	ErrInvalidVoteType         = errorsmod.Register(ModuleName, 11, "invalid vote type")
+	ErrNotFoundProposalTally   = errorsmod.Register(ModuleName, 12, "proposal tally not found")
+	ErrInvalidPublicKey        = errorsmod.Register(ModuleName, 13, "invalid public key")
+	ErrInvalidValidatorAddress = errorsmod.Register(ModuleName, 14, "invalid validator address")
+)

x/council/v1/types/events.go

@@ -0,0 +1,19 @@
+package types
+
+// Module event types
+const (
+	EventTypeRegister = "register"
+	EventTypeVote     = "vote"
+
+	AttributeValueCategory          = "council"
+	AttributeKeyCouncilID           = "council_id"
+	AttributeKeyProposalID          = "proposal_id"
+	AttributeKeyVotingStartHeight   = "voting_start_height"
+	AttributeKeyVotingEndHeight     = "voting_end_height"
+	AttributeKeyProposalCloseStatus = "status"
+	AttributeKeyVoter               = "voter"
+	AttributeKeyBallots             = "ballots"
+	AttributeKeyPublicKey           = "public_key"
+	AttributeKeyProposalOutcome     = "proposal_outcome"
+	AttributeKeyProposalTally       = "proposal_tally"
+)

x/council/v1/types/genesis.go

@@ -0,0 +1,42 @@
+package types
+
+const (
+	DefaultVotingStartHeight = 1
+	DefaultVotingPeriod      = 200
+)
+
+// NewGenesisState returns a new genesis state object for the module.
+func NewGenesisState(params Params, votingStartHeight uint64, votingPeriod uint64, currentCouncilID uint64, councils Councils) *GenesisState {
+	return &GenesisState{
+		Params:            params,
+		VotingStartHeight: votingStartHeight,
+		VotingPeriod:      votingPeriod,
+		CurrentCouncilID:  currentCouncilID,
+		Councils:          councils,
+	}
+}
+
+// DefaultGenesisState returns the default genesis state for the module.
+func DefaultGenesisState() *GenesisState {
+	return NewGenesisState(
+		Params{
+			CouncilSize: 1,
+		},
+		DefaultVotingStartHeight,
+		DefaultVotingPeriod,
+		1,
+		[]Council{
+			{
+				ID:                1,
+				VotingStartHeight: DefaultVotingStartHeight,
+				StartHeight:       DefaultVotingStartHeight + DefaultVotingPeriod,
+				EndHeight:         DefaultVotingStartHeight + DefaultVotingPeriod*2,
+				Votes:             Votes{},
+			}},
+	)
+}
+
+// Validate performs basic validation of genesis data.
+func (gs GenesisState) Validate() error {
+	return nil
+}

x/council/v1/types/interfaces.go

@@ -0,0 +1,23 @@
+package types
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+)
+
+// AccountKeeper defines the expected account keeper
+type AccountKeeper interface {
+	GetAccount(sdk.Context, sdk.AccAddress) authtypes.AccountI
+}
+
+// BankKeeper defines the expected bank keeper interface
+type BankKeeper interface {
+	GetSupply(ctx sdk.Context, denom string) sdk.Coin
+	GetBalance(ctx sdk.Context, addr sdk.AccAddress, denom string) sdk.Coin
+}
+
+type StakingKeeper interface {
+	BondDenom(ctx sdk.Context) (res string)
+	GetValidator(ctx sdk.Context, addr sdk.ValAddress) (validator stakingtypes.Validator, found bool)
+}

x/council/v1/types/keys.go

@@ -0,0 +1,52 @@
+package types
+
+import (
+	"encoding/binary"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+const (
+	// ModuleName The name that will be used throughout the module
+	ModuleName = "council"
+
+	// StoreKey Top level store key where all module items will be stored
+	StoreKey = ModuleName
+)
+
+// Key prefixes
+var (
+	CouncilKeyPrefix = []byte{0x00} // prefix for keys that store councils
+	VoteKeyPrefix    = []byte{0x01} // prefix for keys that store votes
+	VoterKeyPrefix   = []byte{0x02} // prefix for keys that store voters
+
+	ParamsKey            = []byte{0x03}
+	VotingStartHeightKey = []byte{0x04}
+	VotingPeriodKey      = []byte{0x05}
+	CurrentCouncilIDKey  = []byte{0x06}
+)
+
+// GetKeyFromID returns the bytes to use as a key for a uint64 id
+func GetKeyFromID(id uint64) []byte {
+	return Uint64ToBytes(id)
+}
+
+func GetVoteKey(councilID uint64, voter sdk.ValAddress) []byte {
+	return append(GetKeyFromID(councilID), voter.Bytes()...)
+}
+
+func GetVoterKey(voter sdk.ValAddress) []byte {
+	return voter.Bytes()
+}
+
+// Uint64ToBytes converts a uint64 into fixed length bytes for use in store keys.
+func Uint64ToBytes(id uint64) []byte {
+	bz := make([]byte, 8)
+	binary.BigEndian.PutUint64(bz, uint64(id))
+	return bz
+}
+
+// Uint64FromBytes converts some fixed length bytes back into a uint64.
+func Uint64FromBytes(bz []byte) uint64 {
+	return binary.BigEndian.Uint64(bz)
+}

x/council/v1/types/msg.go

@@ -0,0 +1,65 @@
+package types
+
+import (
+	"encoding/hex"
+
+	"github.com/coniks-sys/coniks-go/crypto/vrf"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var _, _ sdk.Msg = &MsgRegister{}, &MsgVote{}
+
+// GetSigners returns the expected signers for a MsgRegister message.
+func (msg *MsgRegister) GetSigners() []sdk.AccAddress {
+	valAddr, err := sdk.ValAddressFromBech32(msg.Voter)
+	if err != nil {
+		panic(err)
+	}
+	accAddr, err := sdk.AccAddressFromHexUnsafe(hex.EncodeToString(valAddr.Bytes()))
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{accAddr}
+}
+
+// ValidateBasic does a sanity check of the provided data
+func (msg *MsgRegister) ValidateBasic() error {
+	if _, err := sdk.ValAddressFromBech32(msg.Voter); err != nil {
+		return ErrInvalidValidatorAddress
+	}
+	if len(msg.Key) != vrf.PublicKeySize {
+		return ErrInvalidPublicKey
+	}
+	return nil
+}
+
+// GetSignBytes implements the LegacyMsg interface.
+func (msg MsgRegister) GetSignBytes() []byte {
+	return sdk.MustSortJSON(AminoCdc.MustMarshalJSON(&msg))
+}
+
+// GetSigners returns the expected signers for a MsgVote message.
+func (msg *MsgVote) GetSigners() []sdk.AccAddress {
+	valAddr, err := sdk.ValAddressFromBech32(msg.Voter)
+	if err != nil {
+		panic(err)
+	}
+	accAddr, err := sdk.AccAddressFromHexUnsafe(hex.EncodeToString(valAddr.Bytes()))
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{accAddr}
+}
+
+// ValidateBasic does a sanity check of the provided data
+func (msg *MsgVote) ValidateBasic() error {
+	if _, err := sdk.ValAddressFromBech32(msg.Voter); err != nil {
+		return ErrInvalidValidatorAddress
+	}
+	return nil
+}
+
+// GetSignBytes implements the LegacyMsg interface.
+func (msg MsgVote) GetSignBytes() []byte {
+	return sdk.MustSortJSON(AminoCdc.MustMarshalJSON(&msg))
+}

x/council/v1/types/query.pb.go

@@ -0,0 +1,839 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: zgc/council/v1/query.proto
+
+package types
+
+import (
+	context "context"
+	fmt "fmt"
+	_ "github.com/cosmos/cosmos-proto"
+	_ "github.com/cosmos/cosmos-sdk/codec/types"
+	_ "github.com/gogo/protobuf/gogoproto"
+	grpc1 "github.com/gogo/protobuf/grpc"
+	proto "github.com/gogo/protobuf/proto"
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	_ "google.golang.org/protobuf/types/known/timestamppb"
+	io "io"
+	math "math"
+	math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+type QueryCurrentCouncilIDRequest struct {
+}
+
+func (m *QueryCurrentCouncilIDRequest) Reset()         { *m = QueryCurrentCouncilIDRequest{} }
+func (m *QueryCurrentCouncilIDRequest) String() string { return proto.CompactTextString(m) }
+func (*QueryCurrentCouncilIDRequest) ProtoMessage()    {}
+func (*QueryCurrentCouncilIDRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_eb373abb48fc6ce6, []int{0}
+}
+func (m *QueryCurrentCouncilIDRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryCurrentCouncilIDRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryCurrentCouncilIDRequest.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *QueryCurrentCouncilIDRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryCurrentCouncilIDRequest.Merge(m, src)
+}
+func (m *QueryCurrentCouncilIDRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryCurrentCouncilIDRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryCurrentCouncilIDRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryCurrentCouncilIDRequest proto.InternalMessageInfo
+
+type QueryCurrentCouncilIDResponse struct {
+	CurrentCouncilID uint64 `protobuf:"varint,1,opt,name=current_council_id,json=currentCouncilId,proto3" json:"current_council_id,omitempty"`
+}
+
+func (m *QueryCurrentCouncilIDResponse) Reset()         { *m = QueryCurrentCouncilIDResponse{} }
+func (m *QueryCurrentCouncilIDResponse) String() string { return proto.CompactTextString(m) }
+func (*QueryCurrentCouncilIDResponse) ProtoMessage()    {}
+func (*QueryCurrentCouncilIDResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_eb373abb48fc6ce6, []int{1}
+}
+func (m *QueryCurrentCouncilIDResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryCurrentCouncilIDResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryCurrentCouncilIDResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *QueryCurrentCouncilIDResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryCurrentCouncilIDResponse.Merge(m, src)
+}
+func (m *QueryCurrentCouncilIDResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryCurrentCouncilIDResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryCurrentCouncilIDResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryCurrentCouncilIDResponse proto.InternalMessageInfo
+
+type QueryRegisteredVotersRequest struct {
+}
+
+func (m *QueryRegisteredVotersRequest) Reset()         { *m = QueryRegisteredVotersRequest{} }
+func (m *QueryRegisteredVotersRequest) String() string { return proto.CompactTextString(m) }
+func (*QueryRegisteredVotersRequest) ProtoMessage()    {}
+func (*QueryRegisteredVotersRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_eb373abb48fc6ce6, []int{2}
+}
+func (m *QueryRegisteredVotersRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryRegisteredVotersRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryRegisteredVotersRequest.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *QueryRegisteredVotersRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryRegisteredVotersRequest.Merge(m, src)
+}
+func (m *QueryRegisteredVotersRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryRegisteredVotersRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryRegisteredVotersRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryRegisteredVotersRequest proto.InternalMessageInfo
+
+type QueryRegisteredVotersResponse struct {
+	Voters []string `protobuf:"bytes,1,rep,name=voters,proto3" json:"voters,omitempty"`
+}
+
+func (m *QueryRegisteredVotersResponse) Reset()         { *m = QueryRegisteredVotersResponse{} }
+func (m *QueryRegisteredVotersResponse) String() string { return proto.CompactTextString(m) }
+func (*QueryRegisteredVotersResponse) ProtoMessage()    {}
+func (*QueryRegisteredVotersResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_eb373abb48fc6ce6, []int{3}
+}
+func (m *QueryRegisteredVotersResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryRegisteredVotersResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryRegisteredVotersResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *QueryRegisteredVotersResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryRegisteredVotersResponse.Merge(m, src)
+}
+func (m *QueryRegisteredVotersResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryRegisteredVotersResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryRegisteredVotersResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryRegisteredVotersResponse proto.InternalMessageInfo
+
+func init() {
+	proto.RegisterType((*QueryCurrentCouncilIDRequest)(nil), "zgc.council.v1.QueryCurrentCouncilIDRequest")
+	proto.RegisterType((*QueryCurrentCouncilIDResponse)(nil), "zgc.council.v1.QueryCurrentCouncilIDResponse")
+	proto.RegisterType((*QueryRegisteredVotersRequest)(nil), "zgc.council.v1.QueryRegisteredVotersRequest")
+	proto.RegisterType((*QueryRegisteredVotersResponse)(nil), "zgc.council.v1.QueryRegisteredVotersResponse")
+}
+
+func init() { proto.RegisterFile("zgc/council/v1/query.proto", fileDescriptor_eb373abb48fc6ce6) }
+
+var fileDescriptor_eb373abb48fc6ce6 = []byte{
+	// 418 bytes of a gzipped FileDescriptorProto
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+	0xaf, 0x67, 0xf0, 0x4e, 0x3d, 0x89, 0xbe, 0x00, 0x78, 0x42, 0x82, 0x9e, 0x44, 0x87, 0xcf, 0x16,
+	0xfd, 0x2b, 0x0a, 0x3f, 0xfc, 0xcf, 0x6e, 0xcb, 0x14, 0x44, 0x1f, 0xbe, 0xfd, 0xfe, 0x74, 0xd6,
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+	0xb0, 0x26, 0x7c, 0x8c, 0x1e, 0xfe, 0x8d, 0xb0, 0xd8, 0x4d, 0x85, 0x36, 0xcc, 0xfe, 0xab, 0xe5,
+	0x2f, 0xec, 0x2d, 0x2b, 0x0c, 0x56, 0x15, 0x06, 0x3f, 0x2b, 0x0c, 0x3e, 0xae, 0xb1, 0xb7, 0x5a,
+	0x63, 0xef, 0xfb, 0x1a, 0x7b, 0x6f, 0x43, 0x2e, 0xcc, 0xb8, 0x4c, 0x22, 0xaa, 0x32, 0xd2, 0xe5,
+	0x93, 0x38, 0xd1, 0xa4, 0xcb, 0x43, 0xbb, 0xf6, 0xfd, 0xfe, 0x62, 0x33, 0xcf, 0x99, 0x4e, 0xce,
+	0xeb, 0xdf, 0xef, 0xd9, 0x9f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x6f, 0x29, 0x40, 0xb9, 0x55, 0x03,
+	0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// QueryClient is the client API for Query service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type QueryClient interface {
+	CurrentCouncilID(ctx context.Context, in *QueryCurrentCouncilIDRequest, opts ...grpc.CallOption) (*QueryCurrentCouncilIDResponse, error)
+	RegisteredVoters(ctx context.Context, in *QueryRegisteredVotersRequest, opts ...grpc.CallOption) (*QueryRegisteredVotersResponse, error)
+}
+
+type queryClient struct {
+	cc grpc1.ClientConn
+}
+
+func NewQueryClient(cc grpc1.ClientConn) QueryClient {
+	return &queryClient{cc}
+}
+
+func (c *queryClient) CurrentCouncilID(ctx context.Context, in *QueryCurrentCouncilIDRequest, opts ...grpc.CallOption) (*QueryCurrentCouncilIDResponse, error) {
+	out := new(QueryCurrentCouncilIDResponse)
+	err := c.cc.Invoke(ctx, "/zgc.council.v1.Query/CurrentCouncilID", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *queryClient) RegisteredVoters(ctx context.Context, in *QueryRegisteredVotersRequest, opts ...grpc.CallOption) (*QueryRegisteredVotersResponse, error) {
+	out := new(QueryRegisteredVotersResponse)
+	err := c.cc.Invoke(ctx, "/zgc.council.v1.Query/RegisteredVoters", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// QueryServer is the server API for Query service.
+type QueryServer interface {
+	CurrentCouncilID(context.Context, *QueryCurrentCouncilIDRequest) (*QueryCurrentCouncilIDResponse, error)
+	RegisteredVoters(context.Context, *QueryRegisteredVotersRequest) (*QueryRegisteredVotersResponse, error)
+}
+
+// UnimplementedQueryServer can be embedded to have forward compatible implementations.
+type UnimplementedQueryServer struct {
+}
+
+func (*UnimplementedQueryServer) CurrentCouncilID(ctx context.Context, req *QueryCurrentCouncilIDRequest) (*QueryCurrentCouncilIDResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CurrentCouncilID not implemented")
+}
+func (*UnimplementedQueryServer) RegisteredVoters(ctx context.Context, req *QueryRegisteredVotersRequest) (*QueryRegisteredVotersResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method RegisteredVoters not implemented")
+}
+
+func RegisterQueryServer(s grpc1.Server, srv QueryServer) {
+	s.RegisterService(&_Query_serviceDesc, srv)
+}
+
+func _Query_CurrentCouncilID_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(QueryCurrentCouncilIDRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(QueryServer).CurrentCouncilID(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/zgc.council.v1.Query/CurrentCouncilID",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(QueryServer).CurrentCouncilID(ctx, req.(*QueryCurrentCouncilIDRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Query_RegisteredVoters_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(QueryRegisteredVotersRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(QueryServer).RegisteredVoters(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/zgc.council.v1.Query/RegisteredVoters",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(QueryServer).RegisteredVoters(ctx, req.(*QueryRegisteredVotersRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Query_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "zgc.council.v1.Query",
+	HandlerType: (*QueryServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "CurrentCouncilID",
+			Handler:    _Query_CurrentCouncilID_Handler,
+		},
+		{
+			MethodName: "RegisteredVoters",
+			Handler:    _Query_RegisteredVoters_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "zgc/council/v1/query.proto",
+}
+
+func (m *QueryCurrentCouncilIDRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *QueryCurrentCouncilIDRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryCurrentCouncilIDRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
+func (m *QueryCurrentCouncilIDResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *QueryCurrentCouncilIDResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryCurrentCouncilIDResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.CurrentCouncilID != 0 {
+		i = encodeVarintQuery(dAtA, i, uint64(m.CurrentCouncilID))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *QueryRegisteredVotersRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *QueryRegisteredVotersRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryRegisteredVotersRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
+func (m *QueryRegisteredVotersResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *QueryRegisteredVotersResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryRegisteredVotersResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Voters) > 0 {
+		for iNdEx := len(m.Voters) - 1; iNdEx >= 0; iNdEx-- {
+			i -= len(m.Voters[iNdEx])
+			copy(dAtA[i:], m.Voters[iNdEx])
+			i = encodeVarintQuery(dAtA, i, uint64(len(m.Voters[iNdEx])))
+			i--
+			dAtA[i] = 0xa
+		}
+	}
+	return len(dAtA) - i, nil
+}
+
+func encodeVarintQuery(dAtA []byte, offset int, v uint64) int {
+	offset -= sovQuery(v)
+	base := offset
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return base
+}
+func (m *QueryCurrentCouncilIDRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
+func (m *QueryCurrentCouncilIDResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.CurrentCouncilID != 0 {
+		n += 1 + sovQuery(uint64(m.CurrentCouncilID))
+	}
+	return n
+}
+
+func (m *QueryRegisteredVotersRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
+func (m *QueryRegisteredVotersResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if len(m.Voters) > 0 {
+		for _, s := range m.Voters {
+			l = len(s)
+			n += 1 + l + sovQuery(uint64(l))
+		}
+	}
+	return n
+}
+
+func sovQuery(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozQuery(x uint64) (n int) {
+	return sovQuery(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *QueryCurrentCouncilIDRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: QueryCurrentCouncilIDRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryCurrentCouncilIDRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipQuery(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *QueryCurrentCouncilIDResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: QueryCurrentCouncilIDResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryCurrentCouncilIDResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CurrentCouncilID", wireType)
+			}
+			m.CurrentCouncilID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.CurrentCouncilID |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipQuery(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *QueryRegisteredVotersRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: QueryRegisteredVotersRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryRegisteredVotersRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipQuery(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *QueryRegisteredVotersResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: QueryRegisteredVotersResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryRegisteredVotersResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Voters", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthQuery
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Voters = append(m.Voters, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipQuery(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipQuery(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	depth := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+		case 1:
+			iNdEx += 8
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if length < 0 {
+				return 0, ErrInvalidLengthQuery
+			}
+			iNdEx += length
+		case 3:
+			depth++
+		case 4:
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupQuery
+			}
+			depth--
+		case 5:
+			iNdEx += 4
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthQuery
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
+}
+
+var (
+	ErrInvalidLengthQuery        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowQuery          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupQuery = fmt.Errorf("proto: unexpected end of group")
+)

x/council/v1/types/query.pb.gw.go

@@ -0,0 +1,218 @@
+// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
+// source: zgc/council/v1/query.proto
+
+/*
+Package types is a reverse proxy.
+
+It translates gRPC into RESTful JSON APIs.
+*/
+package types
+
+import (
+	"context"
+	"io"
+	"net/http"
+
+	"github.com/golang/protobuf/descriptor"
+	"github.com/golang/protobuf/proto"
+	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	"github.com/grpc-ecosystem/grpc-gateway/utilities"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+)
+
+// Suppress "imported and not used" errors
+var _ codes.Code
+var _ io.Reader
+var _ status.Status
+var _ = runtime.String
+var _ = utilities.NewDoubleArray
+var _ = descriptor.ForMessage
+var _ = metadata.Join
+
+func request_Query_CurrentCouncilID_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryCurrentCouncilIDRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.CurrentCouncilID(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_CurrentCouncilID_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryCurrentCouncilIDRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := server.CurrentCouncilID(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_Query_RegisteredVoters_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryRegisteredVotersRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.RegisteredVoters(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_RegisteredVoters_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryRegisteredVotersRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := server.RegisteredVoters(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+// RegisterQueryHandlerServer registers the http handlers for service Query to "mux".
+// UnaryRPC     :call QueryServer directly.
+// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterQueryHandlerFromEndpoint instead.
+func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, server QueryServer) error {
+
+	mux.Handle("GET", pattern_Query_CurrentCouncilID_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_CurrentCouncilID_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_CurrentCouncilID_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_RegisteredVoters_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_RegisteredVoters_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_RegisteredVoters_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+// RegisterQueryHandlerFromEndpoint is same as RegisterQueryHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterQueryHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.Dial(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+
+	return RegisterQueryHandler(ctx, mux, conn)
+}
+
+// RegisterQueryHandler registers the http handlers for service Query to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterQueryHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	return RegisterQueryHandlerClient(ctx, mux, NewQueryClient(conn))
+}
+
+// RegisterQueryHandlerClient registers the http handlers for service Query
+// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "QueryClient".
+// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "QueryClient"
+// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
+// "QueryClient" to call the correct interceptors.
+func RegisterQueryHandlerClient(ctx context.Context, mux *runtime.ServeMux, client QueryClient) error {
+
+	mux.Handle("GET", pattern_Query_CurrentCouncilID_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_CurrentCouncilID_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_CurrentCouncilID_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_Query_RegisteredVoters_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_RegisteredVoters_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_RegisteredVoters_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_Query_CurrentCouncilID_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"0gchain", "council", "v1", "current-council-id"}, "", runtime.AssumeColonVerbOpt(false)))
+
+	pattern_Query_RegisteredVoters_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"0gchain", "council", "v1", "registered-voters"}, "", runtime.AssumeColonVerbOpt(false)))
+)
+
+var (
+	forward_Query_CurrentCouncilID_0 = runtime.ForwardResponseMessage
+
+	forward_Query_RegisteredVoters_0 = runtime.ForwardResponseMessage
+)

x/council/v1/types/tx.pb.go

@@ -0,0 +1,975 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: zgc/council/v1/tx.proto
+
+package types
+
+import (
+	context "context"
+	fmt "fmt"
+	_ "github.com/cosmos/cosmos-proto"
+	_ "github.com/cosmos/cosmos-sdk/codec/types"
+	_ "github.com/gogo/protobuf/gogoproto"
+	grpc1 "github.com/gogo/protobuf/grpc"
+	proto "github.com/gogo/protobuf/proto"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	io "io"
+	math "math"
+	math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+type MsgRegister struct {
+	Voter string `protobuf:"bytes,1,opt,name=voter,proto3" json:"voter,omitempty"`
+	Key   []byte `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
+}
+
+func (m *MsgRegister) Reset()         { *m = MsgRegister{} }
+func (m *MsgRegister) String() string { return proto.CompactTextString(m) }
+func (*MsgRegister) ProtoMessage()    {}
+func (*MsgRegister) Descriptor() ([]byte, []int) {
+	return fileDescriptor_3783c1e1bc40f3a1, []int{0}
+}
+func (m *MsgRegister) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgRegister) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgRegister.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgRegister) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgRegister.Merge(m, src)
+}
+func (m *MsgRegister) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgRegister) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgRegister.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgRegister proto.InternalMessageInfo
+
+type MsgRegisterResponse struct {
+}
+
+func (m *MsgRegisterResponse) Reset()         { *m = MsgRegisterResponse{} }
+func (m *MsgRegisterResponse) String() string { return proto.CompactTextString(m) }
+func (*MsgRegisterResponse) ProtoMessage()    {}
+func (*MsgRegisterResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_3783c1e1bc40f3a1, []int{1}
+}
+func (m *MsgRegisterResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgRegisterResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgRegisterResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgRegisterResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgRegisterResponse.Merge(m, src)
+}
+func (m *MsgRegisterResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgRegisterResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgRegisterResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgRegisterResponse proto.InternalMessageInfo
+
+type MsgVote struct {
+	CouncilID uint64    `protobuf:"varint,1,opt,name=council_id,json=councilId,proto3" json:"council_id,omitempty"`
+	Voter     string    `protobuf:"bytes,2,opt,name=voter,proto3" json:"voter,omitempty"`
+	Ballots   []*Ballot `protobuf:"bytes,3,rep,name=ballots,proto3" json:"ballots,omitempty"`
+}
+
+func (m *MsgVote) Reset()         { *m = MsgVote{} }
+func (m *MsgVote) String() string { return proto.CompactTextString(m) }
+func (*MsgVote) ProtoMessage()    {}
+func (*MsgVote) Descriptor() ([]byte, []int) {
+	return fileDescriptor_3783c1e1bc40f3a1, []int{2}
+}
+func (m *MsgVote) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgVote) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgVote.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgVote) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgVote.Merge(m, src)
+}
+func (m *MsgVote) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgVote) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgVote.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgVote proto.InternalMessageInfo
+
+type MsgVoteResponse struct {
+}
+
+func (m *MsgVoteResponse) Reset()         { *m = MsgVoteResponse{} }
+func (m *MsgVoteResponse) String() string { return proto.CompactTextString(m) }
+func (*MsgVoteResponse) ProtoMessage()    {}
+func (*MsgVoteResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_3783c1e1bc40f3a1, []int{3}
+}
+func (m *MsgVoteResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgVoteResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgVoteResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *MsgVoteResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgVoteResponse.Merge(m, src)
+}
+func (m *MsgVoteResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgVoteResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgVoteResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgVoteResponse proto.InternalMessageInfo
+
+func init() {
+	proto.RegisterType((*MsgRegister)(nil), "zgc.council.v1.MsgRegister")
+	proto.RegisterType((*MsgRegisterResponse)(nil), "zgc.council.v1.MsgRegisterResponse")
+	proto.RegisterType((*MsgVote)(nil), "zgc.council.v1.MsgVote")
+	proto.RegisterType((*MsgVoteResponse)(nil), "zgc.council.v1.MsgVoteResponse")
+}
+
+func init() { proto.RegisterFile("zgc/council/v1/tx.proto", fileDescriptor_3783c1e1bc40f3a1) }
+
+var fileDescriptor_3783c1e1bc40f3a1 = []byte{
+	// 375 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x92, 0xbf, 0x52, 0xea, 0x40,
+	0x14, 0xc6, 0x13, 0xc2, 0xbd, 0x5c, 0x96, 0xeb, 0xbf, 0x88, 0x02, 0xd1, 0x09, 0x4c, 0x6c, 0x28,
+	0x24, 0x0b, 0x38, 0xf6, 0x0e, 0xda, 0x30, 0x4a, 0x93, 0xc2, 0xc2, 0x86, 0x49, 0xc2, 0xba, 0x64,
+	0x0c, 0x39, 0x0c, 0x1b, 0x18, 0xa0, 0xf1, 0x15, 0x6c, 0x7c, 0x27, 0x4a, 0x4a, 0x2b, 0x47, 0xc3,
+	0x8b, 0x38, 0x24, 0x1b, 0x05, 0x46, 0xed, 0xce, 0x39, 0xbf, 0x2f, 0xdf, 0x77, 0x4e, 0x12, 0x94,
+	0x9b, 0x52, 0x1b, 0xdb, 0x30, 0xf4, 0x6c, 0xc7, 0xc5, 0xa3, 0x1a, 0xf6, 0xc7, 0x7a, 0x7f, 0x00,
+	0x3e, 0xc8, 0xdb, 0x53, 0x6a, 0xeb, 0x1c, 0xe8, 0xa3, 0x9a, 0x52, 0xb0, 0x81, 0xf5, 0x80, 0xb5,
+	0x43, 0x8a, 0xa3, 0x26, 0x92, 0x2a, 0x59, 0x0a, 0x14, 0xa2, 0xf9, 0xb2, 0xe2, 0xd3, 0x02, 0x05,
+	0xa0, 0x2e, 0xc1, 0x61, 0x67, 0x0d, 0xef, 0xb1, 0xe9, 0x4d, 0x38, 0x3a, 0xde, 0x08, 0xa5, 0xc4,
+	0x23, 0xcc, 0xe1, 0x76, 0xda, 0x39, 0xca, 0xb4, 0x18, 0x35, 0x08, 0x75, 0x98, 0x4f, 0x06, 0x72,
+	0x16, 0xfd, 0x19, 0x81, 0x4f, 0x06, 0x79, 0xb1, 0x24, 0x96, 0xd3, 0x46, 0xd4, 0xc8, 0xbb, 0x48,
+	0x7a, 0x20, 0x93, 0x7c, 0xa2, 0x24, 0x96, 0xff, 0x1b, 0xcb, 0x52, 0x3b, 0x40, 0xfb, 0x2b, 0x8f,
+	0x19, 0x84, 0xf5, 0xc1, 0x63, 0x44, 0x7b, 0x44, 0xa9, 0x16, 0xa3, 0xb7, 0xe0, 0x13, 0xf9, 0x14,
+	0x21, 0x1e, 0xda, 0x76, 0x3a, 0xa1, 0x5d, 0xb2, 0xb1, 0x15, 0xbc, 0x16, 0xd3, 0x97, 0xd1, 0xb4,
+	0x79, 0x65, 0xa4, 0xb9, 0xa0, 0xd9, 0xf9, 0xca, 0x4d, 0xac, 0xe6, 0x56, 0x51, 0xca, 0x32, 0x5d,
+	0x17, 0x7c, 0x96, 0x97, 0x4a, 0x52, 0x39, 0x53, 0x3f, 0xd4, 0xd7, 0x5f, 0x94, 0xde, 0x08, 0xb1,
+	0x11, 0xcb, 0xb4, 0x3d, 0xb4, 0xc3, 0x17, 0x88, 0x77, 0xaa, 0x3f, 0x8b, 0x48, 0x6a, 0x31, 0x2a,
+	0xdf, 0xa0, 0x7f, 0x9f, 0x67, 0x1e, 0x6d, 0xfa, 0xac, 0x1c, 0xa3, 0x9c, 0xfc, 0x02, 0x63, 0x57,
+	0xf9, 0x02, 0x25, 0xc3, 0x33, 0x73, 0xdf, 0x88, 0x97, 0x40, 0x29, 0xfe, 0x00, 0x62, 0x87, 0xc6,
+	0xf5, 0xec, 0x5d, 0x15, 0x66, 0x81, 0x2a, 0xce, 0x03, 0x55, 0x7c, 0x0b, 0x54, 0xf1, 0x69, 0xa1,
+	0x0a, 0xf3, 0x85, 0x2a, 0xbc, 0x2c, 0x54, 0xe1, 0xae, 0x42, 0x1d, 0xbf, 0x3b, 0xb4, 0x74, 0x1b,
+	0x7a, 0xb8, 0x4a, 0x5d, 0xd3, 0x62, 0xb8, 0x4a, 0x2b, 0x76, 0xd7, 0x74, 0x3c, 0x3c, 0x5e, 0xfb,
+	0x87, 0x26, 0x7d, 0xc2, 0xac, 0xbf, 0xe1, 0xd7, 0x3c, 0xfb, 0x08, 0x00, 0x00, 0xff, 0xff, 0x2a,
+	0xc2, 0x71, 0x36, 0x62, 0x02, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// MsgClient is the client API for Msg service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type MsgClient interface {
+	Register(ctx context.Context, in *MsgRegister, opts ...grpc.CallOption) (*MsgRegisterResponse, error)
+	Vote(ctx context.Context, in *MsgVote, opts ...grpc.CallOption) (*MsgVoteResponse, error)
+}
+
+type msgClient struct {
+	cc grpc1.ClientConn
+}
+
+func NewMsgClient(cc grpc1.ClientConn) MsgClient {
+	return &msgClient{cc}
+}
+
+func (c *msgClient) Register(ctx context.Context, in *MsgRegister, opts ...grpc.CallOption) (*MsgRegisterResponse, error) {
+	out := new(MsgRegisterResponse)
+	err := c.cc.Invoke(ctx, "/zgc.council.v1.Msg/Register", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *msgClient) Vote(ctx context.Context, in *MsgVote, opts ...grpc.CallOption) (*MsgVoteResponse, error) {
+	out := new(MsgVoteResponse)
+	err := c.cc.Invoke(ctx, "/zgc.council.v1.Msg/Vote", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// MsgServer is the server API for Msg service.
+type MsgServer interface {
+	Register(context.Context, *MsgRegister) (*MsgRegisterResponse, error)
+	Vote(context.Context, *MsgVote) (*MsgVoteResponse, error)
+}
+
+// UnimplementedMsgServer can be embedded to have forward compatible implementations.
+type UnimplementedMsgServer struct {
+}
+
+func (*UnimplementedMsgServer) Register(ctx context.Context, req *MsgRegister) (*MsgRegisterResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Register not implemented")
+}
+func (*UnimplementedMsgServer) Vote(ctx context.Context, req *MsgVote) (*MsgVoteResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Vote not implemented")
+}
+
+func RegisterMsgServer(s grpc1.Server, srv MsgServer) {
+	s.RegisterService(&_Msg_serviceDesc, srv)
+}
+
+func _Msg_Register_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgRegister)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).Register(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/zgc.council.v1.Msg/Register",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).Register(ctx, req.(*MsgRegister))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Msg_Vote_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgVote)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).Vote(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/zgc.council.v1.Msg/Vote",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).Vote(ctx, req.(*MsgVote))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Msg_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "zgc.council.v1.Msg",
+	HandlerType: (*MsgServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Register",
+			Handler:    _Msg_Register_Handler,
+		},
+		{
+			MethodName: "Vote",
+			Handler:    _Msg_Vote_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "zgc/council/v1/tx.proto",
+}
+
+func (m *MsgRegister) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgRegister) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgRegister) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Key) > 0 {
+		i -= len(m.Key)
+		copy(dAtA[i:], m.Key)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Key)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Voter) > 0 {
+		i -= len(m.Voter)
+		copy(dAtA[i:], m.Voter)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Voter)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgRegisterResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgRegisterResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgRegisterResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgVote) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgVote) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgVote) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Ballots) > 0 {
+		for iNdEx := len(m.Ballots) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Ballots[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintTx(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0x1a
+		}
+	}
+	if len(m.Voter) > 0 {
+		i -= len(m.Voter)
+		copy(dAtA[i:], m.Voter)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Voter)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if m.CouncilID != 0 {
+		i = encodeVarintTx(dAtA, i, uint64(m.CouncilID))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgVoteResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *MsgVoteResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgVoteResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
+func encodeVarintTx(dAtA []byte, offset int, v uint64) int {
+	offset -= sovTx(v)
+	base := offset
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return base
+}
+func (m *MsgRegister) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Voter)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	return n
+}
+
+func (m *MsgRegisterResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
+func (m *MsgVote) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.CouncilID != 0 {
+		n += 1 + sovTx(uint64(m.CouncilID))
+	}
+	l = len(m.Voter)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	if len(m.Ballots) > 0 {
+		for _, e := range m.Ballots {
+			l = e.Size()
+			n += 1 + l + sovTx(uint64(l))
+		}
+	}
+	return n
+}
+
+func (m *MsgVoteResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
+func sovTx(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozTx(x uint64) (n int) {
+	return sovTx(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *MsgRegister) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgRegister: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgRegister: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Voter", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Voter = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = append(m.Key[:0], dAtA[iNdEx:postIndex]...)
+			if m.Key == nil {
+				m.Key = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *MsgRegisterResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgRegisterResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgRegisterResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *MsgVote) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgVote: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgVote: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CouncilID", wireType)
+			}
+			m.CouncilID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.CouncilID |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Voter", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Voter = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Ballots", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Ballots = append(m.Ballots, &Ballot{})
+			if err := m.Ballots[len(m.Ballots)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *MsgVoteResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: MsgVoteResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgVoteResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipTx(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	depth := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowTx
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+		case 1:
+			iNdEx += 8
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if length < 0 {
+				return 0, ErrInvalidLengthTx
+			}
+			iNdEx += length
+		case 3:
+			depth++
+		case 4:
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupTx
+			}
+			depth--
+		case 5:
+			iNdEx += 4
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthTx
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
+}
+
+var (
+	ErrInvalidLengthTx        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowTx          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupTx = fmt.Errorf("proto: unexpected end of group")
+)

x/das/v1/client/cli/query.go

@@ -0,0 +1,57 @@
+package cli
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+)
+
+// GetQueryCmd returns the cli query commands for the inflation module.
+func GetQueryCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      "Querying commands for the das module",
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+
+	cmd.AddCommand(
+		GetNextRequestID(),
+	)
+
+	return cmd
+}
+
+func GetNextRequestID() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "next-request-id",
+		Short: "Query the next request ID",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			queryClient := types.NewQueryClient(clientCtx)
+
+			params := &types.QueryNextRequestIDRequest{}
+			res, err := queryClient.NextRequestID(context.Background(), params)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintString(fmt.Sprintf("%v\n", res.NextRequestID))
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}

x/das/v1/client/cli/tx.go

@@ -0,0 +1,103 @@
+package cli
+
+import (
+	"encoding/hex"
+	"fmt"
+	"strconv"
+
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/client/tx"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/spf13/cobra"
+)
+
+// GetTxCmd returns the transaction commands for this module
+func GetTxCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:                        types.ModuleName,
+		Short:                      fmt.Sprintf("%s transactions subcommands", types.ModuleName),
+		DisableFlagParsing:         true,
+		SuggestionsMinimumDistance: 2,
+		RunE:                       client.ValidateCmd,
+	}
+	cmd.AddCommand(
+		NewRequestDASCmd(),
+		NewReportDASResultCmd(),
+	)
+	return cmd
+}
+
+func NewRequestDASCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "request-das steram-id batch-header-hash num-blobs",
+		Short: "Request data-availability-sampling",
+		Args:  cobra.ExactArgs(3),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			numBlobs, err := strconv.Atoi(args[2])
+			if err != nil {
+				return err
+			}
+
+			msg := types.NewMsgRequestDAS(clientCtx.GetFromAddress(), args[0], args[1], uint32(numBlobs))
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+	return cmd
+
+}
+
+func NewReportDASResultCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "report-das-result request-id results",
+		Short: "Report data-availability-sampling result",
+		Args:  cobra.MinimumNArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			requestID, err := strconv.ParseUint(args[0], 10, 64)
+			if err != nil {
+				return err
+			}
+
+			n := len(args) - 1
+			results := make([]bool, n)
+			for i := 0; i < n; i++ {
+				var err error
+				results[i], err = strconv.ParseBool(args[i+1])
+				if err != nil {
+					return err
+				}
+			}
+
+			// get account name by address
+			accAddr := clientCtx.GetFromAddress()
+
+			samplerAddr, err := sdk.ValAddressFromHex(hex.EncodeToString(accAddr.Bytes()))
+			if err != nil {
+				return err
+			}
+
+			msg := &types.MsgReportDASResult{
+				RequestID: requestID,
+				Sampler:   samplerAddr.String(),
+				Results:   results,
+			}
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+	return cmd
+}

x/das/v1/genesis.go

@@ -0,0 +1,39 @@
+package das
+
+import (
+	"fmt"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/0glabs/0g-chain/x/das/v1/keeper"
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+)
+
+// InitGenesis initializes the store state from a genesis state.
+func InitGenesis(ctx sdk.Context, keeper keeper.Keeper, gs types.GenesisState) {
+	if err := gs.Validate(); err != nil {
+		panic(fmt.Sprintf("failed to validate %s genesis state: %s", types.ModuleName, err))
+	}
+
+	keeper.SetNextRequestID(ctx, gs.NextRequestID)
+	for _, req := range gs.Requests {
+		keeper.SetDASRequest(ctx, req)
+	}
+	for _, resp := range gs.Responses {
+		keeper.SetDASResponse(ctx, resp)
+	}
+}
+
+// ExportGenesis returns a GenesisState for a given context and keeper.
+func ExportGenesis(ctx sdk.Context, keeper keeper.Keeper) *types.GenesisState {
+	nextRequestID, err := keeper.GetNextRequestID(ctx)
+	if err != nil {
+		panic(err)
+	}
+
+	return types.NewGenesisState(
+		nextRequestID,
+		keeper.GetDASRequests(ctx),
+		keeper.GetDASResponses(ctx),
+	)
+}

x/das/v1/keeper/grpc_query.go

@@ -0,0 +1,22 @@
+package keeper
+
+import (
+	"context"
+
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var _ types.QueryServer = Keeper{}
+
+func (k Keeper) NextRequestID(
+	c context.Context,
+	_ *types.QueryNextRequestIDRequest,
+) (*types.QueryNextRequestIDResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	nextRequestID, err := k.GetNextRequestID(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &types.QueryNextRequestIDResponse{NextRequestID: nextRequestID}, nil
+}

x/das/v1/keeper/keeper.go

@@ -0,0 +1,198 @@
+package keeper
+
+import (
+	"encoding/hex"
+	"strconv"
+
+	errorsmod "cosmossdk.io/errors"
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/store/prefix"
+	storetypes "github.com/cosmos/cosmos-sdk/store/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/tendermint/tendermint/libs/log"
+
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+)
+
+type Keeper struct {
+	storeKey         storetypes.StoreKey
+	cdc              codec.BinaryCodec
+	stakingKeeperRef types.StakingKeeperRef
+}
+
+// NewKeeper creates a new das Keeper instance
+func NewKeeper(
+	storeKey storetypes.StoreKey,
+	cdc codec.BinaryCodec,
+	stakingKeeper types.StakingKeeperRef,
+) Keeper {
+	return Keeper{
+		storeKey:         storeKey,
+		cdc:              cdc,
+		stakingKeeperRef: stakingKeeper,
+	}
+}
+
+// Logger returns a module-specific logger.
+func (k Keeper) Logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", "x/"+types.ModuleName)
+}
+
+func (k Keeper) SetNextRequestID(ctx sdk.Context, id uint64) {
+	store := ctx.KVStore(k.storeKey)
+	store.Set(types.NextRequestIDKey, types.GetKeyFromID(id))
+}
+
+func (k Keeper) GetNextRequestID(ctx sdk.Context) (uint64, error) {
+	store := ctx.KVStore(k.storeKey)
+	bz := store.Get(types.NextRequestIDKey)
+	if bz == nil {
+		return 0, errorsmod.Wrap(types.ErrInvalidGenesis, "next request ID not set at genesis")
+	}
+	return types.Uint64FromBytes(bz), nil
+}
+
+func (k Keeper) IncrementNextRequestID(ctx sdk.Context) error {
+	id, err := k.GetNextRequestID(ctx)
+	if err != nil {
+		return err
+	}
+	k.SetNextRequestID(ctx, id+1)
+	return nil
+}
+
+func (k Keeper) GetDASRequest(ctx sdk.Context, requestID uint64) (types.DASRequest, bool) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.RequestKeyPrefix)
+	bz := store.Get(types.GetKeyFromID(requestID))
+	if bz == nil {
+		return types.DASRequest{}, false
+	}
+	var req types.DASRequest
+	k.cdc.MustUnmarshal(bz, &req)
+	return req, true
+}
+
+func (k Keeper) SetDASRequest(ctx sdk.Context, req types.DASRequest) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.RequestKeyPrefix)
+	bz := k.cdc.MustMarshal(&req)
+	store.Set(types.GetKeyFromID(req.ID), bz)
+}
+
+func (k Keeper) IterateDASRequest(ctx sdk.Context, cb func(req types.DASRequest) (stop bool)) {
+	iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), types.RequestKeyPrefix)
+
+	defer iterator.Close()
+	for ; iterator.Valid(); iterator.Next() {
+		var req types.DASRequest
+		k.cdc.MustUnmarshal(iterator.Value(), &req)
+		if cb(req) {
+			break
+		}
+	}
+}
+
+func (k Keeper) GetDASRequests(ctx sdk.Context) []types.DASRequest {
+	results := []types.DASRequest{}
+	k.IterateDASRequest(ctx, func(req types.DASRequest) bool {
+		results = append(results, req)
+		return false
+	})
+	return results
+}
+
+func (k Keeper) StoreNewDASRequest(
+	ctx sdk.Context,
+	streamIDHexStr string,
+	batchHeaderHashHexStr string,
+	numBlobs uint32) (uint64, error) {
+	requestID, err := k.GetNextRequestID(ctx)
+	if err != nil {
+		return 0, err
+	}
+
+	streamID, err := hex.DecodeString(streamIDHexStr)
+	if err != nil {
+		return 0, err
+	}
+
+	batchHeaderHash, err := hex.DecodeString(batchHeaderHashHexStr)
+	if err != nil {
+		return 0, err
+	}
+
+	req := types.DASRequest{
+		ID:              requestID,
+		StreamID:        streamID,
+		BatchHeaderHash: batchHeaderHash,
+		NumBlobs:        numBlobs,
+	}
+	k.SetDASRequest(ctx, req)
+
+	ctx.EventManager().EmitEvent(
+		sdk.NewEvent(
+			types.EventTypeDASRequest,
+			sdk.NewAttribute(types.AttributeKeyRequestID, strconv.FormatUint(requestID, 10)),
+			sdk.NewAttribute(types.AttributeKeyStreamID, streamIDHexStr),
+			sdk.NewAttribute(types.AttributeKeyBatchHeaderHash, batchHeaderHashHexStr),
+			sdk.NewAttribute(types.AttributeKeyNumBlobs, strconv.FormatUint(uint64(numBlobs), 10)),
+		),
+	)
+
+	return requestID, nil
+}
+
+func (k Keeper) GetDASResponse(
+	ctx sdk.Context, requestID uint64, sampler sdk.ValAddress,
+) (types.DASResponse, bool) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.ResponseKeyPrefix)
+	bz := store.Get(types.GetResponseKey(requestID, sampler))
+	if bz == nil {
+		return types.DASResponse{}, false
+	}
+	var vote types.DASResponse
+	k.cdc.MustUnmarshal(bz, &vote)
+	return vote, true
+}
+
+func (k Keeper) SetDASResponse(ctx sdk.Context, resp types.DASResponse) {
+	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.ResponseKeyPrefix)
+	bz := k.cdc.MustMarshal(&resp)
+	store.Set(types.GetResponseKey(resp.ID, resp.Sampler), bz)
+}
+
+func (k Keeper) IterateDASResponse(ctx sdk.Context, cb func(resp types.DASResponse) (stop bool)) {
+	iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), types.ResponseKeyPrefix)
+
+	defer iterator.Close()
+	for ; iterator.Valid(); iterator.Next() {
+		var resp types.DASResponse
+		k.cdc.MustUnmarshal(iterator.Value(), &resp)
+		if cb(resp) {
+			break
+		}
+	}
+}
+
+func (k Keeper) GetDASResponses(ctx sdk.Context) []types.DASResponse {
+	results := []types.DASResponse{}
+	k.IterateDASResponse(ctx, func(resp types.DASResponse) bool {
+		results = append(results, resp)
+		return false
+	})
+	return results
+}
+
+func (k Keeper) StoreNewDASResponse(
+	ctx sdk.Context, requestID uint64, sampler sdk.ValAddress, results []bool) error {
+	if _, found := k.GetDASRequest(ctx, requestID); !found {
+		return errorsmod.Wrapf(types.ErrUnknownRequest, "%d", requestID)
+	}
+
+	k.SetDASResponse(ctx, types.DASResponse{
+		ID:      requestID,
+		Sampler: sampler,
+		Results: results,
+	})
+
+	return nil
+}

x/das/v1/keeper/msg_server.go

@@ -0,0 +1,49 @@
+package keeper
+
+import (
+	"context"
+
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+)
+
+var _ types.MsgServer = &Keeper{}
+
+// RequestDAS handles MsgRequestDAS messages
+func (k Keeper) RequestDAS(
+	goCtx context.Context, msg *types.MsgRequestDAS,
+) (*types.MsgRequestDASResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	requestID, err := k.StoreNewDASRequest(ctx, msg.StreamID, msg.BatchHeaderHash, msg.NumBlobs)
+	if err != nil {
+		return nil, err
+	}
+	k.IncrementNextRequestID(ctx)
+	return &types.MsgRequestDASResponse{
+		RequestID: requestID,
+	}, nil
+}
+
+// ReportDASResult handles MsgReportDASResult messages
+func (k Keeper) ReportDASResult(
+	goCtx context.Context, msg *types.MsgReportDASResult,
+) (*types.MsgReportDASResultResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	sampler, err := sdk.ValAddressFromBech32(msg.Sampler)
+	if err != nil {
+		return nil, err
+	}
+
+	if _, found := k.stakingKeeperRef.GetValidator(ctx, sampler); !found {
+		return nil, stakingtypes.ErrNoValidatorFound
+	}
+
+	if err := k.StoreNewDASResponse(ctx, msg.RequestID, sampler, msg.Results); err != nil {
+		return nil, err
+	}
+
+	return &types.MsgReportDASResultResponse{}, nil
+}

x/das/v1/module.go

@@ -0,0 +1,180 @@
+package das
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/module"
+	simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
+	"github.com/gorilla/mux"
+	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	"github.com/spf13/cobra"
+	abci "github.com/tendermint/tendermint/abci/types"
+
+	"github.com/0glabs/0g-chain/x/das/v1/client/cli"
+	"github.com/0glabs/0g-chain/x/das/v1/keeper"
+	"github.com/0glabs/0g-chain/x/das/v1/types"
+)
+
+// consensusVersion defines the current x/council module consensus version.
+const consensusVersion = 1
+
+// type check to ensure the interface is properly implemented
+var (
+	_ module.AppModule      = AppModule{}
+	_ module.AppModuleBasic = AppModuleBasic{}
+	// _ module.AppModuleSimulation = AppModule{}
+	_ module.BeginBlockAppModule = AppModule{}
+	_ module.EndBlockAppModule   = AppModule{}
+)
+
+// app module Basics object
+type AppModuleBasic struct{}
+
+// Name returns the inflation module's name.
+func (AppModuleBasic) Name() string {
+	return types.ModuleName
+}
+
+// RegisterLegacyAminoCodec registers the inflation module's types on the given LegacyAmino codec.
+func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {}
+
+// ConsensusVersion returns the consensus state-breaking version for the module.
+func (AppModuleBasic) ConsensusVersion() uint64 {
+	return consensusVersion
+}
+
+// RegisterInterfaces registers interfaces and implementations of the incentives
+// module.
+func (AppModuleBasic) RegisterInterfaces(interfaceRegistry codectypes.InterfaceRegistry) {
+	types.RegisterInterfaces(interfaceRegistry)
+}
+
+// DefaultGenesis returns default genesis state as raw bytes for the incentives
+// module.
+func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
+	return cdc.MustMarshalJSON(types.DefaultGenesisState())
+}
+
+// ValidateGenesis performs genesis state validation for the inflation module.
+func (b AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ client.TxEncodingConfig, bz json.RawMessage) error {
+	var genesisState types.GenesisState
+	if err := cdc.UnmarshalJSON(bz, &genesisState); err != nil {
+		return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
+	}
+
+	return genesisState.Validate()
+}
+
+// RegisterRESTRoutes performs a no-op as the inflation module doesn't expose REST
+// endpoints
+func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {}
+
+// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the inflation module.
+func (b AppModuleBasic) RegisterGRPCGatewayRoutes(c client.Context, serveMux *runtime.ServeMux) {
+	if err := types.RegisterQueryHandlerClient(context.Background(), serveMux, types.NewQueryClient(c)); err != nil {
+		panic(err)
+	}
+}
+
+// GetTxCmd returns the root tx command for the inflation module.
+func (AppModuleBasic) GetTxCmd() *cobra.Command {
+	return cli.GetTxCmd()
+}
+
+// GetQueryCmd returns no root query command for the inflation module.
+func (AppModuleBasic) GetQueryCmd() *cobra.Command {
+	return cli.GetQueryCmd()
+}
+
+// ___________________________________________________________________________
+
+// AppModule implements an application module for the inflation module.
+type AppModule struct {
+	AppModuleBasic
+	keeper keeper.Keeper
+}
+
+// NewAppModule creates a new AppModule Object
+func NewAppModule(
+	k keeper.Keeper,
+) AppModule {
+	return AppModule{
+		AppModuleBasic: AppModuleBasic{},
+		keeper:         k,
+	}
+}
+
+// Name returns the inflation module's name.
+func (AppModule) Name() string {
+	return types.ModuleName
+}
+
+// Route returns evmutil module's message route.
+func (am AppModule) Route() sdk.Route { return sdk.Route{} }
+
+// QuerierRoute returns evmutil module's query routing key.
+func (AppModule) QuerierRoute() string { return "" }
+
+// LegacyQuerierHandler returns evmutil module's Querier.
+func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
+	return nil
+}
+
+// RegisterInvariants registers the inflation module invariants.
+func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
+
+// RegisterServices registers a gRPC query service to respond to the
+// module-specific gRPC queries.
+func (am AppModule) RegisterServices(cfg module.Configurator) {
+	types.RegisterMsgServer(cfg.MsgServer(), am.keeper)
+	types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
+}
+
+func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
+	// am.keeper.BeginBlock(ctx, req)
+}
+
+func (am AppModule) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) []abci.ValidatorUpdate {
+	// am.keeper.EndBlock(ctx, req)
+	return []abci.ValidatorUpdate{}
+}
+
+// InitGenesis performs genesis initialization for the inflation module. It returns
+// no validator updates.
+func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
+	var genesisState types.GenesisState
+
+	cdc.MustUnmarshalJSON(data, &genesisState)
+	InitGenesis(ctx, am.keeper, genesisState)
+	return []abci.ValidatorUpdate{}
+}
+
+// ExportGenesis returns the exported genesis state as raw bytes for the inflation
+// module.
+func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
+	gs := ExportGenesis(ctx, am.keeper)
+	return cdc.MustMarshalJSON(gs)
+}
+
+// ___________________________________________________________________________
+
+// AppModuleSimulation functions
+
+// GenerateGenesisState creates a randomized GenState of the inflation module.
+func (am AppModule) GenerateGenesisState(_ *module.SimulationState) {
+}
+
+// RegisterStoreDecoder registers a decoder for inflation module's types.
+func (am AppModule) RegisterStoreDecoder(_ sdk.StoreDecoderRegistry) {
+}
+
+// WeightedOperations doesn't return any inflation module operation.
+func (am AppModule) WeightedOperations(_ module.SimulationState) []simtypes.WeightedOperation {
+	return []simtypes.WeightedOperation{}
+}

x/das/v1/types/codec.go

@@ -0,0 +1,47 @@
+package types
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
+)
+
+var (
+	amino = codec.NewLegacyAmino()
+	// ModuleCdc references the global evm module codec. Note, the codec should
+	// ONLY be used in certain instances of tests and for JSON encoding.
+	ModuleCdc = codec.NewProtoCodec(codectypes.NewInterfaceRegistry())
+
+	// AminoCdc is a amino codec created to support amino JSON compatible msgs.
+	AminoCdc = codec.NewAminoCodec(amino)
+)
+
+const (
+	// Amino names
+	requestDASName      = "evmos/das/MsgRequestDAS"
+	reportDASResultName = "evmos/das/MsgReportDASResult"
+)
+
+// NOTE: This is required for the GetSignBytes function
+func init() {
+	RegisterLegacyAminoCodec(amino)
+	amino.Seal()
+}
+
+// RegisterInterfaces register implementations
+func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
+	registry.RegisterImplementations(
+		(*sdk.Msg)(nil),
+		&MsgRequestDAS{},
+		&MsgReportDASResult{},
+	)
+
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
+}
+
+// RegisterLegacyAminoCodec required for EIP-712
+func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
+	cdc.RegisterConcrete(&MsgRequestDAS{}, requestDASName, nil)
+	cdc.RegisterConcrete(&MsgReportDASResult{}, reportDASResultName, nil)
+}

x/das/v1/types/errors.go

@@ -0,0 +1,8 @@
+package types
+
+import errorsmod "cosmossdk.io/errors"
+
+var (
+	ErrUnknownRequest = errorsmod.Register(ModuleName, 0, "request not found")
+	ErrInvalidGenesis = errorsmod.Register(ModuleName, 1, "invalid genesis")
+)

x/das/v1/types/events.go

@@ -0,0 +1,11 @@
+package types
+
+// Module event types
+const (
+	EventTypeDASRequest = "das_request"
+
+	AttributeKeyRequestID       = "request_id"
+	AttributeKeyStreamID        = "stream_id"
+	AttributeKeyBatchHeaderHash = "batch_header_hash"
+	AttributeKeyNumBlobs        = "num_blobs"
+)

x/das/v1/types/genesis.go

@@ -0,0 +1,28 @@
+package types
+
+const (
+	DefaultNextRequestID = 0
+)
+
+// NewGenesisState returns a new genesis state object for the module.
+func NewGenesisState(nextRequestID uint64, requests []DASRequest, responses []DASResponse) *GenesisState {
+	return &GenesisState{
+		NextRequestID: nextRequestID,
+		Requests:      requests,
+		Responses:     responses,
+	}
+}
+
+// DefaultGenesisState returns the default genesis state for the module.
+func DefaultGenesisState() *GenesisState {
+	return NewGenesisState(
+		DefaultNextRequestID,
+		[]DASRequest{},
+		[]DASResponse{},
+	)
+}
+
+// Validate performs basic validation of genesis data.
+func (gs GenesisState) Validate() error {
+	return nil
+}

x/das/v1/types/interfaces.go

@@ -0,0 +1,10 @@
+package types
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+)
+
+type StakingKeeperRef interface {
+	GetValidator(ctx sdk.Context, addr sdk.ValAddress) (validator stakingtypes.Validator, found bool)
+}

x/das/v1/types/keys.go

@@ -0,0 +1,44 @@
+package types
+
+import (
+	"encoding/binary"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+const (
+	// ModuleName The name that will be used throughout the module
+	ModuleName = "das"
+
+	// StoreKey Top level store key where all module items will be stored
+	StoreKey = ModuleName
+)
+
+// Key prefixes
+var (
+	RequestKeyPrefix  = []byte{0x00} // prefix for keys that store requests
+	ResponseKeyPrefix = []byte{0x01} // prefix for keys that store responses
+
+	NextRequestIDKey = []byte{0x02}
+)
+
+// GetKeyFromID returns the bytes to use as a key for a uint64 id
+func GetKeyFromID(id uint64) []byte {
+	return Uint64ToBytes(id)
+}
+
+func GetResponseKey(requestID uint64, sampler sdk.ValAddress) []byte {
+	return append(GetKeyFromID(requestID), sampler.Bytes()...)
+}
+
+// Uint64ToBytes converts a uint64 into fixed length bytes for use in store keys.
+func Uint64ToBytes(id uint64) []byte {
+	bz := make([]byte, 8)
+	binary.BigEndian.PutUint64(bz, uint64(id))
+	return bz
+}
+
+// Uint64FromBytes converts some fixed length bytes back into a uint64.
+func Uint64FromBytes(bz []byte) uint64 {
+	return binary.BigEndian.Uint64(bz)
+}

x/das/v1/types/msg.go

@@ -0,0 +1,57 @@
+package types
+
+import (
+	"encoding/hex"
+
+	errorsmod "cosmossdk.io/errors"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+)
+
+var _, _ sdk.Msg = &MsgRequestDAS{}, &MsgReportDASResult{}
+
+func NewMsgRequestDAS(fromAddr sdk.AccAddress, streamID, hash string, numBlobs uint32) *MsgRequestDAS {
+	return &MsgRequestDAS{
+		Requester:       fromAddr.String(),
+		StreamID:        streamID,
+		BatchHeaderHash: hash,
+		NumBlobs:        numBlobs,
+	}
+}
+
+func (msg MsgRequestDAS) GetSigners() []sdk.AccAddress {
+	from, err := sdk.AccAddressFromBech32(msg.Requester)
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{from}
+}
+
+func (msg MsgRequestDAS) ValidateBasic() error {
+	_, err := sdk.AccAddressFromBech32(msg.Requester)
+	if err != nil {
+		return errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "Invalid requester account address (%s)", err)
+	}
+
+	return nil
+}
+
+func (msg *MsgReportDASResult) GetSigners() []sdk.AccAddress {
+	samplerValAddr, err := sdk.ValAddressFromBech32(msg.Sampler)
+	if err != nil {
+		panic(err)
+	}
+	accAddr, err := sdk.AccAddressFromHexUnsafe(hex.EncodeToString(samplerValAddr.Bytes()))
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{accAddr}
+}
+
+func (msg *MsgReportDASResult) ValidateBasic() error {
+	_, err := sdk.ValAddressFromBech32(msg.Sampler)
+	if err != nil {
+		return errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "Invalid sampler validator address (%s)", err)
+	}
+	return nil
+}

x/das/v1/types/query.pb.go

@@ -0,0 +1,511 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: zgc/das/v1/query.proto
+
+package types
+
+import (
+	context "context"
+	fmt "fmt"
+	_ "github.com/cosmos/cosmos-proto"
+	_ "github.com/cosmos/cosmos-sdk/codec/types"
+	_ "github.com/gogo/protobuf/gogoproto"
+	grpc1 "github.com/gogo/protobuf/grpc"
+	proto "github.com/gogo/protobuf/proto"
+	_ "google.golang.org/genproto/googleapis/api/annotations"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	_ "google.golang.org/protobuf/types/known/timestamppb"
+	io "io"
+	math "math"
+	math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+type QueryNextRequestIDRequest struct {
+}
+
+func (m *QueryNextRequestIDRequest) Reset()         { *m = QueryNextRequestIDRequest{} }
+func (m *QueryNextRequestIDRequest) String() string { return proto.CompactTextString(m) }
+func (*QueryNextRequestIDRequest) ProtoMessage()    {}
+func (*QueryNextRequestIDRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d404c1962bca645f, []int{0}
+}
+func (m *QueryNextRequestIDRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryNextRequestIDRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryNextRequestIDRequest.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *QueryNextRequestIDRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryNextRequestIDRequest.Merge(m, src)
+}
+func (m *QueryNextRequestIDRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryNextRequestIDRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryNextRequestIDRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryNextRequestIDRequest proto.InternalMessageInfo
+
+type QueryNextRequestIDResponse struct {
+	NextRequestID uint64 `protobuf:"varint,1,opt,name=next_request_id,json=nextRequestId,proto3" json:"next_request_id,omitempty"`
+}
+
+func (m *QueryNextRequestIDResponse) Reset()         { *m = QueryNextRequestIDResponse{} }
+func (m *QueryNextRequestIDResponse) String() string { return proto.CompactTextString(m) }
+func (*QueryNextRequestIDResponse) ProtoMessage()    {}
+func (*QueryNextRequestIDResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d404c1962bca645f, []int{1}
+}
+func (m *QueryNextRequestIDResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryNextRequestIDResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryNextRequestIDResponse.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *QueryNextRequestIDResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryNextRequestIDResponse.Merge(m, src)
+}
+func (m *QueryNextRequestIDResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryNextRequestIDResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryNextRequestIDResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryNextRequestIDResponse proto.InternalMessageInfo
+
+func init() {
+	proto.RegisterType((*QueryNextRequestIDRequest)(nil), "zgc.das.v1.QueryNextRequestIDRequest")
+	proto.RegisterType((*QueryNextRequestIDResponse)(nil), "zgc.das.v1.QueryNextRequestIDResponse")
+}
+
+func init() { proto.RegisterFile("zgc/das/v1/query.proto", fileDescriptor_d404c1962bca645f) }
+
+var fileDescriptor_d404c1962bca645f = []byte{
+	// 334 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x84, 0x91, 0xbf, 0x4b, 0x03, 0x31,
+	0x14, 0xc7, 0x2f, 0xa2, 0x0e, 0x81, 0x22, 0x1e, 0x22, 0xf6, 0x94, 0x54, 0x0b, 0xfe, 0x1a, 0x9a,
+	0xb4, 0x3a, 0xb9, 0x16, 0x41, 0x5c, 0x04, 0x5d, 0x04, 0x97, 0x92, 0xbb, 0x8b, 0x69, 0xa0, 0x97,
+	0x5c, 0x9b, 0x5c, 0x69, 0x3b, 0xba, 0xb8, 0x2a, 0xfe, 0x53, 0x1d, 0x0b, 0x2e, 0x4e, 0xa2, 0x57,
+	0xff, 0x10, 0xe9, 0xe5, 0x0e, 0xad, 0x28, 0x6e, 0xef, 0xbd, 0xef, 0xf7, 0x7d, 0xf3, 0xe1, 0x05,
+	0xae, 0x8f, 0x78, 0x40, 0x42, 0xaa, 0x49, 0xbf, 0x41, 0xba, 0x09, 0xeb, 0x0d, 0x71, 0xdc, 0x53,
+	0x46, 0xb9, 0x70, 0xc4, 0x03, 0x1c, 0x52, 0x8d, 0xfb, 0x0d, 0xaf, 0x1c, 0x28, 0x1d, 0x29, 0xdd,
+	0xca, 0x14, 0x62, 0x1b, 0x6b, 0xf3, 0xd6, 0xb8, 0xe2, 0xca, 0xce, 0x67, 0x55, 0x3e, 0xdd, 0xe2,
+	0x4a, 0xf1, 0x0e, 0x23, 0x34, 0x16, 0x84, 0x4a, 0xa9, 0x0c, 0x35, 0x42, 0xc9, 0x62, 0xa7, 0x9c,
+	0xab, 0x59, 0xe7, 0x27, 0xb7, 0x84, 0xca, 0xfc, 0x55, 0xaf, 0xf2, 0x53, 0x32, 0x22, 0x62, 0xda,
+	0xd0, 0x28, 0xb6, 0x86, 0xea, 0x26, 0x2c, 0x5f, 0xce, 0x28, 0x2f, 0xd8, 0xc0, 0x5c, 0xb1, 0x6e,
+	0xc2, 0xb4, 0x39, 0x3f, 0xcd, 0x8b, 0xea, 0x35, 0xf4, 0x7e, 0x13, 0x75, 0xac, 0xa4, 0x66, 0xee,
+	0x09, 0x5c, 0x91, 0x6c, 0x60, 0x5a, 0x3d, 0xab, 0xb4, 0x44, 0xb8, 0x01, 0xb6, 0xc1, 0xc1, 0x62,
+	0x73, 0x35, 0x7d, 0xad, 0x94, 0xe6, 0x77, 0x4a, 0xf2, 0x5b, 0x1b, 0x1e, 0x3d, 0x02, 0xb8, 0x94,
+	0x25, 0xbb, 0xf7, 0x00, 0xce, 0x5b, 0xdd, 0x5d, 0xfc, 0x75, 0x29, 0xfc, 0x27, 0x9b, 0xb7, 0xf7,
+	0x9f, 0xcd, 0x52, 0x56, 0xf7, 0xef, 0x9e, 0x3f, 0x9e, 0x16, 0x76, 0xdc, 0x0a, 0xa9, 0xf3, 0xa0,
+	0x4d, 0x85, 0x2c, 0x3e, 0x67, 0x46, 0x54, 0xcb, 0xd9, 0x6b, 0x22, 0x6c, 0x9e, 0x8d, 0xdf, 0x91,
+	0x33, 0x4e, 0x11, 0x98, 0xa4, 0x08, 0xbc, 0xa5, 0x08, 0x3c, 0x4c, 0x91, 0x33, 0x99, 0x22, 0xe7,
+	0x65, 0x8a, 0x9c, 0x9b, 0x43, 0x2e, 0x4c, 0x3b, 0xf1, 0x71, 0xa0, 0x22, 0x52, 0xe7, 0x1d, 0xea,
+	0x6b, 0x52, 0xe7, 0x35, 0x1b, 0x38, 0x28, 0x22, 0xcd, 0x30, 0x66, 0xda, 0x5f, 0xce, 0x2e, 0x7b,
+	0xfc, 0x19, 0x00, 0x00, 0xff, 0xff, 0xd5, 0x9e, 0xd6, 0x49, 0x0a, 0x02, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// QueryClient is the client API for Query service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type QueryClient interface {
+	NextRequestID(ctx context.Context, in *QueryNextRequestIDRequest, opts ...grpc.CallOption) (*QueryNextRequestIDResponse, error)
+}
+
+type queryClient struct {
+	cc grpc1.ClientConn
+}
+
+func NewQueryClient(cc grpc1.ClientConn) QueryClient {
+	return &queryClient{cc}
+}
+
+func (c *queryClient) NextRequestID(ctx context.Context, in *QueryNextRequestIDRequest, opts ...grpc.CallOption) (*QueryNextRequestIDResponse, error) {
+	out := new(QueryNextRequestIDResponse)
+	err := c.cc.Invoke(ctx, "/zgc.das.v1.Query/NextRequestID", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// QueryServer is the server API for Query service.
+type QueryServer interface {
+	NextRequestID(context.Context, *QueryNextRequestIDRequest) (*QueryNextRequestIDResponse, error)
+}
+
+// UnimplementedQueryServer can be embedded to have forward compatible implementations.
+type UnimplementedQueryServer struct {
+}
+
+func (*UnimplementedQueryServer) NextRequestID(ctx context.Context, req *QueryNextRequestIDRequest) (*QueryNextRequestIDResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method NextRequestID not implemented")
+}
+
+func RegisterQueryServer(s grpc1.Server, srv QueryServer) {
+	s.RegisterService(&_Query_serviceDesc, srv)
+}
+
+func _Query_NextRequestID_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(QueryNextRequestIDRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(QueryServer).NextRequestID(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/zgc.das.v1.Query/NextRequestID",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(QueryServer).NextRequestID(ctx, req.(*QueryNextRequestIDRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Query_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "zgc.das.v1.Query",
+	HandlerType: (*QueryServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "NextRequestID",
+			Handler:    _Query_NextRequestID_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "zgc/das/v1/query.proto",
+}
+
+func (m *QueryNextRequestIDRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *QueryNextRequestIDRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryNextRequestIDRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
+func (m *QueryNextRequestIDResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *QueryNextRequestIDResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryNextRequestIDResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.NextRequestID != 0 {
+		i = encodeVarintQuery(dAtA, i, uint64(m.NextRequestID))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
+func encodeVarintQuery(dAtA []byte, offset int, v uint64) int {
+	offset -= sovQuery(v)
+	base := offset
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return base
+}
+func (m *QueryNextRequestIDRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
+func (m *QueryNextRequestIDResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.NextRequestID != 0 {
+		n += 1 + sovQuery(uint64(m.NextRequestID))
+	}
+	return n
+}
+
+func sovQuery(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozQuery(x uint64) (n int) {
+	return sovQuery(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *QueryNextRequestIDRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: QueryNextRequestIDRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryNextRequestIDRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipQuery(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *QueryNextRequestIDResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: QueryNextRequestIDResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryNextRequestIDResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NextRequestID", wireType)
+			}
+			m.NextRequestID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NextRequestID |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipQuery(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipQuery(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	depth := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowQuery
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+		case 1:
+			iNdEx += 8
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if length < 0 {
+				return 0, ErrInvalidLengthQuery
+			}
+			iNdEx += length
+		case 3:
+			depth++
+		case 4:
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupQuery
+			}
+			depth--
+		case 5:
+			iNdEx += 4
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthQuery
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
+}
+
+var (
+	ErrInvalidLengthQuery        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowQuery          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupQuery = fmt.Errorf("proto: unexpected end of group")
+)

x/das/v1/types/query.pb.gw.go

@@ -0,0 +1,153 @@
+// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
+// source: zgc/das/v1/query.proto
+
+/*
+Package types is a reverse proxy.
+
+It translates gRPC into RESTful JSON APIs.
+*/
+package types
+
+import (
+	"context"
+	"io"
+	"net/http"
+
+	"github.com/golang/protobuf/descriptor"
+	"github.com/golang/protobuf/proto"
+	"github.com/grpc-ecosystem/grpc-gateway/runtime"
+	"github.com/grpc-ecosystem/grpc-gateway/utilities"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+)
+
+// Suppress "imported and not used" errors
+var _ codes.Code
+var _ io.Reader
+var _ status.Status
+var _ = runtime.String
+var _ = utilities.NewDoubleArray
+var _ = descriptor.ForMessage
+var _ = metadata.Join
+
+func request_Query_NextRequestID_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryNextRequestIDRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.NextRequestID(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_NextRequestID_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryNextRequestIDRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := server.NextRequestID(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+// RegisterQueryHandlerServer registers the http handlers for service Query to "mux".
+// UnaryRPC     :call QueryServer directly.
+// StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterQueryHandlerFromEndpoint instead.
+func RegisterQueryHandlerServer(ctx context.Context, mux *runtime.ServeMux, server QueryServer) error {
+
+	mux.Handle("GET", pattern_Query_NextRequestID_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_Query_NextRequestID_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_NextRequestID_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+// RegisterQueryHandlerFromEndpoint is same as RegisterQueryHandler but
+// automatically dials to "endpoint" and closes the connection when "ctx" gets done.
+func RegisterQueryHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
+	conn, err := grpc.Dial(endpoint, opts...)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err != nil {
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+			return
+		}
+		go func() {
+			<-ctx.Done()
+			if cerr := conn.Close(); cerr != nil {
+				grpclog.Infof("Failed to close conn to %s: %v", endpoint, cerr)
+			}
+		}()
+	}()
+
+	return RegisterQueryHandler(ctx, mux, conn)
+}
+
+// RegisterQueryHandler registers the http handlers for service Query to "mux".
+// The handlers forward requests to the grpc endpoint over "conn".
+func RegisterQueryHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error {
+	return RegisterQueryHandlerClient(ctx, mux, NewQueryClient(conn))
+}
+
+// RegisterQueryHandlerClient registers the http handlers for service Query
+// to "mux". The handlers forward requests to the grpc endpoint over the given implementation of "QueryClient".
+// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "QueryClient"
+// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in
+// "QueryClient" to call the correct interceptors.
+func RegisterQueryHandlerClient(ctx context.Context, mux *runtime.ServeMux, client QueryClient) error {
+
+	mux.Handle("GET", pattern_Query_NextRequestID_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_Query_NextRequestID_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_Query_NextRequestID_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_Query_NextRequestID_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"0gchain", "das", "v1", "next-request-id"}, "", runtime.AssumeColonVerbOpt(false)))
+)
+
+var (
+	forward_Query_NextRequestID_0 = runtime.ForwardResponseMessage
+)