feat: Added query for provider parameters (backport #1605) (#1613)

feat: Added query for provider parameters (#1605)

Added query for provider parameters

(cherry picked from commit f5afcb7)

Co-authored-by: bernd-m <43466467+bermuell@users.noreply.github.com>

.changelog/unreleased/improvements/provider/1445-query-provider-parameters.md

@@ -0,0 +1,2 @@
+- Added query for current values of all provider parameters
+  ([\#1605](https://github.com/cosmos/interchain-security/pull/1605))

proto/interchain_security/ccv/provider/v1/query.proto

@@ -91,7 +91,14 @@ service Query {
     returns (QueryAllPairsValConAddrByConsumerChainIDResponse) {
       option (google.api.http).get =
     "/interchain_security/ccv/provider/consumer_chain_id";
-    }  
+    }
+
+  // QueryParams returns all current values of provider parameters
+  rpc QueryParams(QueryParamsRequest)
+    returns (QueryParamsResponse) {
+      option (google.api.http).get =
+    "/interchain_security/ccv/provider/params";
+    }
 }
 
 message QueryConsumerGenesisRequest { string chain_id = 1; }
@@ -198,3 +205,10 @@ message PairValConAddrProviderAndConsumer {
   string consumer_address = 2 [ (gogoproto.moretags) = "yaml:\"address\"" ];
   tendermint.crypto.PublicKey consumer_key = 3;
 }
+
+message QueryParamsRequest {}
+
+message QueryParamsResponse {
+  Params params = 1 [(gogoproto.nullable) = false];
+}
+

x/ccv/provider/client/cli/query.go

@@ -34,7 +34,7 @@ func NewQueryCmd() *cobra.Command {
 	cmd.AddCommand(CmdRegisteredConsumerRewardDenoms())
 	cmd.AddCommand(CmdProposedConsumerChains())
 	cmd.AddCommand(CmdAllPairsValConAddrByConsumerChainID())
-
+	cmd.AddCommand(CmdProviderParameters())
 	return cmd
 }
 
@@ -375,3 +375,38 @@ func CmdAllPairsValConAddrByConsumerChainID() *cobra.Command {
 
 	return cmd
 }
+
+// Command to query provider parameters
+func CmdProviderParameters() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "params",
+		Short: "Query provider parameters information",
+		Long: strings.TrimSpace(
+			fmt.Sprintf(`Query parameter values of provider.
+Example:
+$ %s query provider params
+		`, version.AppName),
+		),
+		Args: cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+			queryClient := types.NewQueryClient(clientCtx)
+
+			res, err := queryClient.QueryParams(cmd.Context(),
+				&types.QueryParamsRequest{})
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(&res.Params)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+
+}

x/ccv/provider/keeper/grpc_query.go

@@ -213,3 +213,11 @@ func (k Keeper) QueryAllPairsValConAddrByConsumerChainID(goCtx context.Context,
 		PairValConAddr: pairValConAddrs,
 	}, nil
 }
+
+// QueryParams returns all parameters and current values of provider
+func (k Keeper) QueryParams(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
+	ctx := sdk.UnwrapSDKContext(c)
+	params := k.GetParams(ctx)
+
+	return &types.QueryParamsResponse{Params: params}, nil
+}