Implement query in onboarding module to list the registered participants (#4)

* Implement query to list participants

* Remove unnecessary comments

api/cerc/onboarding/v1/query_grpc.pb.go

@@ -0,0 +1,111 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             (unknown)
+// source: cerc/onboarding/v1/query.proto
+
+package onboardingv1
+
+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
+
+const (
+	Query_Participants_FullMethodName = "/cerc.onboarding.v1.Query/Participants"
+)
+
+// QueryClient is the client API for Query 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 QueryClient interface {
+	// Participants queries Participants list
+	Participants(ctx context.Context, in *QueryParticipantsRequest, opts ...grpc.CallOption) (*QueryParticipantsResponse, error)
+}
+
+type queryClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewQueryClient(cc grpc.ClientConnInterface) QueryClient {
+	return &queryClient{cc}
+}
+
+func (c *queryClient) Participants(ctx context.Context, in *QueryParticipantsRequest, opts ...grpc.CallOption) (*QueryParticipantsResponse, error) {
+	out := new(QueryParticipantsResponse)
+	err := c.cc.Invoke(ctx, Query_Participants_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// QueryServer is the server API for Query service.
+// All implementations must embed UnimplementedQueryServer
+// for forward compatibility
+type QueryServer interface {
+	// Participants queries Participants list
+	Participants(context.Context, *QueryParticipantsRequest) (*QueryParticipantsResponse, error)
+	mustEmbedUnimplementedQueryServer()
+}
+
+// UnimplementedQueryServer must be embedded to have forward compatible implementations.
+type UnimplementedQueryServer struct {
+}
+
+func (UnimplementedQueryServer) Participants(context.Context, *QueryParticipantsRequest) (*QueryParticipantsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Participants not implemented")
+}
+func (UnimplementedQueryServer) mustEmbedUnimplementedQueryServer() {}
+
+// UnsafeQueryServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to QueryServer will
+// result in compilation errors.
+type UnsafeQueryServer interface {
+	mustEmbedUnimplementedQueryServer()
+}
+
+func RegisterQueryServer(s grpc.ServiceRegistrar, srv QueryServer) {
+	s.RegisterService(&Query_ServiceDesc, srv)
+}
+
+func _Query_Participants_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(QueryParticipantsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(QueryServer).Participants(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Query_Participants_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(QueryServer).Participants(ctx, req.(*QueryParticipantsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Query_ServiceDesc is the grpc.ServiceDesc for Query service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Query_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "cerc.onboarding.v1.Query",
+	HandlerType: (*QueryServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Participants",
+			Handler:    _Query_Participants_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "cerc/onboarding/v1/query.proto",
+}

proto/cerc/onboarding/v1/query.proto

@@ -2,4 +2,32 @@ syntax = "proto3";
 
 package cerc.onboarding.v1;
 
+import "gogoproto/gogo.proto";
+import "cosmos/base/query/v1beta1/pagination.proto";
+import "cerc/onboarding/v1/onboarding.proto";
+import "google/api/annotations.proto";
+
 option go_package = "git.vdb.to/cerc-io/laconicd/x/onboarding";
+
+// Query defines the gRPC querier service for onboarding module
+service Query {
+  // Participants queries Participants list
+  rpc Participants(QueryParticipantsRequest) returns (QueryParticipantsResponse) {
+    option (google.api.http).get = "/cerc/onboarding/v1/participants";
+  }
+}
+
+// QueryParticipantsRequest queries participants
+message QueryParticipantsRequest {
+  // pagination defines an optional pagination for the request.
+  cosmos.base.query.v1beta1.PageRequest pagination = 1;
+}
+
+// QueryParticipantsResponse is response type for get the participants
+message QueryParticipantsResponse {
+  repeated Participant participants = 1
+      [ (gogoproto.moretags) = "json:\"participants\" yaml:\"participants\"" ];
+
+  // pagination defines the pagination in the response.
+  cosmos.base.query.v1beta1.PageResponse pagination = 2;
+}

x/onboarding/keeper/keeper.go

@@ -15,7 +15,7 @@ import (
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 
 	"git.vdb.to/cerc-io/laconicd/utils"
-	"git.vdb.to/cerc-io/laconicd/x/onboarding"
+	onboardingTypes "git.vdb.to/cerc-io/laconicd/x/onboarding"
 )
 
 type Keeper struct {
@@ -28,8 +28,8 @@ type Keeper struct {
 
 	// state management
 	Schema       collections.Schema
-	Params       collections.Item[onboarding.Params]
+	Params       collections.Item[onboardingTypes.Params]
-	Participants collections.Map[string, onboarding.Participant]
+	Participants collections.Map[string, onboardingTypes.Participant]
 }
 
 // NewKeeper creates a new Keeper instance
@@ -43,8 +43,8 @@ func NewKeeper(cdc codec.BinaryCodec, addressCodec address.Codec, storeService s
 		cdc:          cdc,
 		addressCodec: addressCodec,
 		authority:    authority,
-		Params:       collections.NewItem(sb, onboarding.ParamsPrefix, "params", codec.CollValue[onboarding.Params](cdc)),
+		Params:       collections.NewItem(sb, onboardingTypes.ParamsPrefix, "params", codec.CollValue[onboardingTypes.Params](cdc)),
-		Participants: collections.NewMap(sb, onboarding.ParticipantsPrefix, "participants", collections.StringKey, codec.CollValue[onboarding.Participant](cdc)),
+		Participants: collections.NewMap(sb, onboardingTypes.ParticipantsPrefix, "participants", collections.StringKey, codec.CollValue[onboardingTypes.Participant](cdc)),
 	}
 
 	schema, err := sb.Build()
@@ -63,10 +63,10 @@ func (k Keeper) GetAuthority() string {
 }
 
 func (k Keeper) Logger(ctx sdk.Context) log.Logger {
-	return ctx.Logger().With("module", onboarding.ModuleName)
+	return ctx.Logger().With("module", onboardingTypes.ModuleName)
 }
 
-func (k Keeper) OnboardParticipant(ctx sdk.Context, msg *onboarding.MsgOnboardParticipant, signerAddress sdk.AccAddress) (*onboarding.MsgOnboardParticipantResponse, error) {
+func (k Keeper) OnboardParticipant(ctx sdk.Context, msg *onboardingTypes.MsgOnboardParticipant, signerAddress sdk.AccAddress) (*onboardingTypes.MsgOnboardParticipantResponse, error) {
 	message, err := json.Marshal(msg.EthPayload)
 	if err != nil {
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Invalid format for payload")
@@ -77,7 +77,7 @@ func (k Keeper) OnboardParticipant(ctx sdk.Context, msg *onboarding.MsgOnboardPa
 		return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "Recovered ethereum address does not match the address set in payload")
 	}
 
-	participant := &onboarding.Participant{
+	participant := &onboardingTypes.Participant{
 		CosmosAddress:   signerAddress.String(),
 		EthereumAddress: ethereumAddress,
 	}
@@ -89,9 +89,30 @@ func (k Keeper) OnboardParticipant(ctx sdk.Context, msg *onboarding.MsgOnboardPa
 	return nil, err
 }
 
-func (k Keeper) StoreParticipant(ctx sdk.Context, participant *onboarding.Participant) error {
+func (k Keeper) StoreParticipant(ctx sdk.Context, participant *onboardingTypes.Participant) error {
 	key := participant.CosmosAddress
 	k.Participants.Set(ctx, key, *participant)
 
 	return nil
 }
+
+// ListParticipants - get all participants.
+func (k Keeper) ListParticipants(ctx sdk.Context) ([]*onboardingTypes.Participant, error) {
+	var participants []*onboardingTypes.Participant
+
+	iter, err := k.Participants.Iterate(ctx, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	for ; iter.Valid(); iter.Next() {
+		participant, err := iter.Value()
+		if err != nil {
+			return nil, err
+		}
+
+		participants = append(participants, &participant)
+	}
+
+	return participants, nil
+}

x/onboarding/keeper/query_server.go

@@ -0,0 +1,32 @@
+package keeper
+
+import (
+	"context"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	onboardingtypes "git.vdb.to/cerc-io/laconicd/x/onboarding"
+)
+
+var _ onboardingtypes.QueryServer = queryServer{}
+
+type queryServer struct {
+	k *Keeper
+}
+
+// NewQueryServerImpl returns an implementation of the module QueryServer.
+func NewQueryServerImpl(k *Keeper) onboardingtypes.QueryServer {
+	return queryServer{k}
+}
+
+// Participants implements Participants.QueryServer.
+func (qs queryServer) Participants(c context.Context, _ *onboardingtypes.QueryParticipantsRequest) (*onboardingtypes.QueryParticipantsResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+
+	resp, err := qs.k.ListParticipants(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return &onboardingtypes.QueryParticipantsResponse{Participants: resp}, nil
+}

x/onboarding/module/autocli.go

@@ -9,7 +9,17 @@ import (
 // AutoCLIOptions implements the autocli.HasAutoCLIConfig interface.
 func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 	return &autocliv1.ModuleOptions{
-		Query: nil,
+		Query: &autocliv1.ServiceCommandDescriptor{
+			Service: onboardingv1.Query_ServiceDesc.ServiceName,
+			RpcCommandOptions: []*autocliv1.RpcCommandOptions{
+				{
+					RpcMethod:      "Participants",
+					Use:            "list",
+					Short:          "List participants",
+					PositionalArgs: []*autocliv1.PositionalArgDescriptor{},
+				},
+			},
+		},
 		// TODO: Use JSON file for input
 		Tx: &autocliv1.ServiceCommandDescriptor{
 			Service: onboardingv1.Msg_ServiceDesc.ServiceName,
@@ -19,8 +29,8 @@ func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 					Use:       "enroll",
 					Short:     "Enroll a testnet validator",
 					PositionalArgs: []*autocliv1.PositionalArgDescriptor{
-						{ProtoField: "ethPayload"},
+						{ProtoField: "eth_payload"},
-						{ProtoField: "ethSignature"},
+						{ProtoField: "eth_signature"},
 						{ProtoField: "message"},
 					},
 				},

x/onboarding/module/module.go

@@ -1,6 +1,7 @@
 package module
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 
@@ -52,10 +53,9 @@ func (AppModule) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {}
 
 // RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the onboarding module.
 func (AppModule) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *gwruntime.ServeMux) {
-	// TODO: Implement
+	if err := onboarding.RegisterQueryHandlerClient(context.Background(), mux, onboarding.NewQueryClient(clientCtx)); err != nil {
-	// if err := onboarding.RegisterQueryHandlerClient(context.Background(), mux, onboarding.NewQueryClient(clientCtx)); err != nil {
+		panic(err)
-	//     panic(err)
+	}
-	// }
 }
 
 // RegisterInterfaces registers interfaces and implementations of the onboarding module.
@@ -68,10 +68,9 @@ func (AppModule) ConsensusVersion() uint64 { return ConsensusVersion }
 
 // RegisterServices registers a gRPC query service to respond to the module-specific gRPC queries.
 func (am AppModule) RegisterServices(cfg module.Configurator) {
-	// TODO: Implement
 	// Register servers
 	onboarding.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
-	// onboarding.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServerImpl(am.keeper))
+	onboarding.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServerImpl(am.keeper))
 
 	// Register in place module state migration migrations
 	// m := keeper.NewMigrator(am.keeper)

x/onboarding/query.pb.go

@@ -4,9 +4,19 @@
 package onboarding
 
 import (
+	context "context"
 	fmt "fmt"
+	query "github.com/cosmos/cosmos-sdk/types/query"
+	_ "github.com/cosmos/gogoproto/gogoproto"
+	grpc1 "github.com/cosmos/gogoproto/grpc"
 	proto "github.com/cosmos/gogoproto/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"
+	io "io"
 	math "math"
+	math_bits "math/bits"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -20,17 +30,644 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
+// QueryParticipantsRequest queries participants
+type QueryParticipantsRequest struct {
+	// pagination defines an optional pagination for the request.
+	Pagination *query.PageRequest `protobuf:"bytes,1,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}
+
+func (m *QueryParticipantsRequest) Reset()         { *m = QueryParticipantsRequest{} }
+func (m *QueryParticipantsRequest) String() string { return proto.CompactTextString(m) }
+func (*QueryParticipantsRequest) ProtoMessage()    {}
+func (*QueryParticipantsRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_80831d904221d27d, []int{0}
+}
+func (m *QueryParticipantsRequest) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryParticipantsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryParticipantsRequest.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 *QueryParticipantsRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryParticipantsRequest.Merge(m, src)
+}
+func (m *QueryParticipantsRequest) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryParticipantsRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryParticipantsRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryParticipantsRequest proto.InternalMessageInfo
+
+func (m *QueryParticipantsRequest) GetPagination() *query.PageRequest {
+	if m != nil {
+		return m.Pagination
+	}
+	return nil
+}
+
+// QueryParticipantsResponse is response type for get the participants
+type QueryParticipantsResponse struct {
+	Participants []*Participant `protobuf:"bytes,1,rep,name=participants,proto3" json:"participants,omitempty" json:"participants" yaml:"participants"`
+	// pagination defines the pagination in the response.
+	Pagination *query.PageResponse `protobuf:"bytes,2,opt,name=pagination,proto3" json:"pagination,omitempty"`
+}
+
+func (m *QueryParticipantsResponse) Reset()         { *m = QueryParticipantsResponse{} }
+func (m *QueryParticipantsResponse) String() string { return proto.CompactTextString(m) }
+func (*QueryParticipantsResponse) ProtoMessage()    {}
+func (*QueryParticipantsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_80831d904221d27d, []int{1}
+}
+func (m *QueryParticipantsResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *QueryParticipantsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_QueryParticipantsResponse.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 *QueryParticipantsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_QueryParticipantsResponse.Merge(m, src)
+}
+func (m *QueryParticipantsResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *QueryParticipantsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_QueryParticipantsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_QueryParticipantsResponse proto.InternalMessageInfo
+
+func (m *QueryParticipantsResponse) GetParticipants() []*Participant {
+	if m != nil {
+		return m.Participants
+	}
+	return nil
+}
+
+func (m *QueryParticipantsResponse) GetPagination() *query.PageResponse {
+	if m != nil {
+		return m.Pagination
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*QueryParticipantsRequest)(nil), "cerc.onboarding.v1.QueryParticipantsRequest")
+	proto.RegisterType((*QueryParticipantsResponse)(nil), "cerc.onboarding.v1.QueryParticipantsResponse")
+}
+
 func init() { proto.RegisterFile("cerc/onboarding/v1/query.proto", fileDescriptor_80831d904221d27d) }
 
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+	0x04, 0xf8, 0xac, 0xc3, 0xe1, 0xe5, 0x3a, 0x40, 0xab, 0x75, 0x80, 0xee, 0xd6, 0x01, 0x3a, 0xdd,
+	0x04, 0x95, 0xd5, 0x26, 0xa8, 0xdc, 0x6c, 0x82, 0xca, 0xff, 0x9e, 0x54, 0x96, 0xe6, 0x93, 0x98,
+	0x5a, 0x28, 0xd7, 0xf4, 0x15, 0xb0, 0x29, 0x4f, 0x40, 0xab, 0x64, 0xc2, 0x8e, 0xbd, 0x1c, 0xc5,
+	0x1f, 0xca, 0xa8, 0xfc, 0x7a, 0x0c, 0x00, 0x00, 0xff, 0xff, 0x83, 0x20, 0x78, 0x04, 0xe5, 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 {
+	// Participants queries Participants list
+	Participants(ctx context.Context, in *QueryParticipantsRequest, opts ...grpc.CallOption) (*QueryParticipantsResponse, error)
+}
+
+type queryClient struct {
+	cc grpc1.ClientConn
+}
+
+func NewQueryClient(cc grpc1.ClientConn) QueryClient {
+	return &queryClient{cc}
+}
+
+func (c *queryClient) Participants(ctx context.Context, in *QueryParticipantsRequest, opts ...grpc.CallOption) (*QueryParticipantsResponse, error) {
+	out := new(QueryParticipantsResponse)
+	err := c.cc.Invoke(ctx, "/cerc.onboarding.v1.Query/Participants", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// QueryServer is the server API for Query service.
+type QueryServer interface {
+	// Participants queries Participants list
+	Participants(context.Context, *QueryParticipantsRequest) (*QueryParticipantsResponse, error)
+}
+
+// UnimplementedQueryServer can be embedded to have forward compatible implementations.
+type UnimplementedQueryServer struct {
+}
+
+func (*UnimplementedQueryServer) Participants(ctx context.Context, req *QueryParticipantsRequest) (*QueryParticipantsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Participants not implemented")
+}
+
+func RegisterQueryServer(s grpc1.Server, srv QueryServer) {
+	s.RegisterService(&_Query_serviceDesc, srv)
+}
+
+func _Query_Participants_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(QueryParticipantsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(QueryServer).Participants(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/cerc.onboarding.v1.Query/Participants",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(QueryServer).Participants(ctx, req.(*QueryParticipantsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _Query_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "cerc.onboarding.v1.Query",
+	HandlerType: (*QueryServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Participants",
+			Handler:    _Query_Participants_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "cerc/onboarding/v1/query.proto",
+}
+
+func (m *QueryParticipantsRequest) 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 *QueryParticipantsRequest) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryParticipantsRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.Pagination != nil {
+		{
+			size, err := m.Pagination.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintQuery(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *QueryParticipantsResponse) 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 *QueryParticipantsResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *QueryParticipantsResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.Pagination != nil {
+		{
+			size, err := m.Pagination.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintQuery(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Participants) > 0 {
+		for iNdEx := len(m.Participants) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Participants[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintQuery(dAtA, i, uint64(size))
+			}
+			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 *QueryParticipantsRequest) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.Pagination != nil {
+		l = m.Pagination.Size()
+		n += 1 + l + sovQuery(uint64(l))
+	}
+	return n
+}
+
+func (m *QueryParticipantsResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if len(m.Participants) > 0 {
+		for _, e := range m.Participants {
+			l = e.Size()
+			n += 1 + l + sovQuery(uint64(l))
+		}
+	}
+	if m.Pagination != nil {
+		l = m.Pagination.Size()
+		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 *QueryParticipantsRequest) 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: QueryParticipantsRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryParticipantsRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pagination", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthQuery
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Pagination == nil {
+				m.Pagination = &query.PageRequest{}
+			}
+			if err := m.Pagination.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			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 (m *QueryParticipantsResponse) 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: QueryParticipantsResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: QueryParticipantsResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Participants", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthQuery
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Participants = append(m.Participants, &Participant{})
+			if err := m.Participants[len(m.Participants)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Pagination", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowQuery
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthQuery
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthQuery
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Pagination == nil {
+				m.Pagination = &query.PageResponse{}
+			}
+			if err := m.Pagination.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			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/onboarding/query.pb.gw.go

@@ -0,0 +1,171 @@
+// Code generated by protoc-gen-grpc-gateway. DO NOT EDIT.
+// source: cerc/onboarding/v1/query.proto
+
+/*
+Package onboarding is a reverse proxy.
+
+It translates gRPC into RESTful JSON APIs.
+*/
+package onboarding
+
+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
+
+var (
+	filter_Query_Participants_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_Query_Participants_0(ctx context.Context, marshaler runtime.Marshaler, client QueryClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryParticipantsRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_Participants_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.Participants(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_Query_Participants_0(ctx context.Context, marshaler runtime.Marshaler, server QueryServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq QueryParticipantsRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Query_Participants_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.Participants(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_Participants_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_Participants_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_Participants_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_Participants_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_Participants_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_Participants_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	return nil
+}
+
+var (
+	pattern_Query_Participants_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"cerc", "participant", "v1", "participants"}, "", runtime.AssumeColonVerbOpt(false)))
+)
+
+var (
+	forward_Query_Participants_0 = runtime.ForwardResponseMessage
+)