add grpc query for controller and host params

Adds gRPC routes for controller params and host params. Add tests and registers the gRPC gateways on the ica module

modules/apps/27-interchain-accounts/controller/keeper/grpc_query.go

@@ -0,0 +1,19 @@
+package keeper
+
+import (
+	"context"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/controller/types"
+)
+
+var _ types.QueryServer = Keeper{}
+
+// Params implements the Query/Params gRPC method
+func (q Keeper) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	params := q.GetParams(ctx)
+
+	return &types.QueryParamsResponse{
+		Params: &params,
+	}, nil
+}

modules/apps/27-interchain-accounts/controller/keeper/grpc_query_test.go

@@ -0,0 +1,14 @@
+package keeper_test
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/controller/types"
+)
+
+func (suite *KeeperTestSuite) TestQueryParams() {
+	ctx := sdk.WrapSDKContext(suite.chainA.GetContext())
+	expParams := types.DefaultParams()
+	res, _ := suite.chainA.GetSimApp().ICAControllerKeeper.Params(ctx, &types.QueryParamsRequest{})
+	suite.Require().Equal(&expParams, res.Params)
+}

modules/apps/27-interchain-accounts/host/keeper/grpc_query.go

@@ -0,0 +1,19 @@
+package keeper
+
+import (
+	"context"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/host/types"
+)
+
+var _ types.QueryServer = Keeper{}
+
+// Params implements the Query/Params gRPC method
+func (q Keeper) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	params := q.GetParams(ctx)
+
+	return &types.QueryParamsResponse{
+		Params: &params,
+	}, nil
+}

modules/apps/27-interchain-accounts/host/keeper/grpc_query_test.go

@@ -0,0 +1,14 @@
+package keeper_test
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/host/types"
+)
+
+func (suite *KeeperTestSuite) TestQueryParams() {
+	ctx := sdk.WrapSDKContext(suite.chainA.GetContext())
+	expParams := types.DefaultParams()
+	res, _ := suite.chainA.GetSimApp().ICAHostKeeper.Params(ctx, &types.QueryParamsRequest{})
+	suite.Require().Equal(&expParams, res.Params)
+}

modules/apps/27-interchain-accounts/module.go

@@ -1,6 +1,7 @@
 package ica
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 
@@ -17,8 +18,10 @@ import (
 
 	"github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/controller"
 	controllerkeeper "github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/controller/keeper"
+	controllertypes "github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/controller/types"
 	"github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/host"
 	hostkeeper "github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/host/keeper"
+	hosttypes "github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/host/types"
 	"github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/types"
 	porttypes "github.com/cosmos/ibc-go/v2/modules/core/05-port/types"
 )
@@ -71,6 +74,8 @@ func (AppModuleBasic) RegisterRESTRoutes(ctx client.Context, rtr *mux.Router) {
 
 // RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the interchain accounts module.
 func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
+	controllertypes.RegisterQueryHandlerClient(context.Background(), mux, controllertypes.NewQueryClient(clientCtx))
+	hosttypes.RegisterQueryHandlerClient(context.Background(), mux, hosttypes.NewQueryClient(clientCtx))
 }
 
 // GetTxCmd implements AppModuleBasic interface

proto/ibc/applications/interchain_accounts/controller/v1/query.proto

@@ -0,0 +1,27 @@
+syntax = "proto3";
+
+package ibc.applications.interchain_accounts.controller.v1;
+
+option go_package = "github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/controller/types";
+
+import "gogoproto/gogo.proto";
+import "ibc/applications/interchain_accounts/controller/v1/controller.proto";
+import "google/api/annotations.proto";
+
+// Query provides defines the gRPC querier service.
+service Query {
+  // Params queries all parameters of the ICA controller submodule.
+  rpc Params(QueryParamsRequest) returns (QueryParamsResponse) {
+    option (google.api.http).get = "/ibc/apps/interchain_accounts/controller/v1/params";
+  }
+}
+
+// QueryParamsRequest is the request type for the Query/Params RPC method.
+message QueryParamsRequest {}
+
+// QueryParamsResponse is the response type for the Query/Params RPC method.
+message QueryParamsResponse {
+  // params defines the parameters of the module.
+  Params params = 1;
+}
+

proto/ibc/applications/interchain_accounts/host/v1/query.proto

@@ -0,0 +1,27 @@
+syntax = "proto3";
+
+package ibc.applications.interchain_accounts.host.v1;
+
+option go_package = "github.com/cosmos/ibc-go/v2/modules/apps/27-interchain-accounts/host/types";
+
+import "google/api/annotations.proto";
+import "gogoproto/gogo.proto";
+import "ibc/applications/interchain_accounts/host/v1/host.proto";
+
+// Query provides defines the gRPC querier service.
+service Query {
+  // Params queries all parameters of the ICA host submodule.
+  rpc Params(QueryParamsRequest) returns (QueryParamsResponse) {
+    option (google.api.http).get = "/ibc/apps/interchain_accounts/host/v1/params";
+  }
+}
+
+// QueryParamsRequest is the request type for the Query/Params RPC method.
+message QueryParamsRequest {}
+
+// QueryParamsResponse is the response type for the Query/Params RPC method.
+message QueryParamsResponse {
+  // params defines the parameters of the module.
+  Params params = 1;
+}
+