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

* Implement query to list participants

* Remove unnecessary comments

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: "ethSignature"},
+						{ProtoField: "eth_payload"},
+						{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 {
-	//     panic(err)
-	// }
+	if err := onboarding.RegisterQueryHandlerClient(context.Background(), mux, onboarding.NewQueryClient(clientCtx)); err != nil {
+		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)