CNS-169: create module subscription

command:
    ignite scaffold module subscription

docs/static/openapi.yml

@@ -32599,6 +32599,42 @@ paths:
           type: string
       tags:
         - Query
+  /lavanet/lava/subscription/params:
+    get:
+      summary: Parameters queries the parameters of the module.
+      operationId: LavanetLavaSubscriptionParams
+      responses:
+        '200':
+          description: A successful response.
+          schema:
+            type: object
+            properties:
+              params:
+                description: params holds all the parameters of this module.
+                type: object
+            description: >-
+              QueryParamsResponse is response type for the Query/Params RPC
+              method.
+        default:
+          description: An unexpected error response.
+          schema:
+            type: object
+            properties:
+              code:
+                type: integer
+                format: int32
+              message:
+                type: string
+              details:
+                type: array
+                items:
+                  type: object
+                  properties:
+                    '@type':
+                      type: string
+                  additionalProperties: {}
+      tags:
+        - Query
 definitions:
   cosmos.auth.v1beta1.Params:
     type: object
@@ -56100,3 +56136,13 @@ definitions:
         type: array
         items:
           type: string
+  lavanet.lava.subscription.Params:
+    type: object
+    description: Params defines the parameters for the module.
+  lavanet.lava.subscription.QueryParamsResponse:
+    type: object
+    properties:
+      params:
+        description: params holds all the parameters of this module.
+        type: object
+    description: QueryParamsResponse is response type for the Query/Params RPC method.

proto/subscription/genesis.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+package lavanet.lava.subscription;
+
+import "gogoproto/gogo.proto";
+import "subscription/params.proto";
+// this line is used by starport scaffolding # genesis/proto/import
+
+option go_package = "github.com/lavanet/lava/x/subscription/types";
+
+// GenesisState defines the subscription module's genesis state.
+message GenesisState {
+  Params params = 1 [(gogoproto.nullable) = false];
+  // this line is used by starport scaffolding # genesis/proto/state
+}

proto/subscription/params.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+package lavanet.lava.subscription;
+
+import "gogoproto/gogo.proto";
+
+option go_package = "github.com/lavanet/lava/x/subscription/types";
+
+// Params defines the parameters for the module.
+message Params {
+  option (gogoproto.goproto_stringer) = false;
+
+}

proto/subscription/query.proto

@@ -0,0 +1,30 @@
+syntax = "proto3";
+package lavanet.lava.subscription;
+
+import "gogoproto/gogo.proto";
+import "google/api/annotations.proto";
+import "cosmos/base/query/v1beta1/pagination.proto";
+import "subscription/params.proto";
+// this line is used by starport scaffolding # 1
+
+option go_package = "github.com/lavanet/lava/x/subscription/types";
+
+// Query defines the gRPC querier service.
+service Query {
+  // Parameters queries the parameters of the module.
+  rpc Params(QueryParamsRequest) returns (QueryParamsResponse) {
+    option (google.api.http).get = "/lavanet/lava/subscription/params";
+  }
+  // this line is used by starport scaffolding # 2
+}
+
+// QueryParamsRequest is request type for the Query/Params RPC method.
+message QueryParamsRequest {}
+
+// QueryParamsResponse is response type for the Query/Params RPC method.
+message QueryParamsResponse {
+  // params holds all the parameters of this module.
+  Params params = 1 [(gogoproto.nullable) = false];
+}
+
+// this line is used by starport scaffolding # 3

proto/subscription/tx.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+package lavanet.lava.subscription;
+
+// this line is used by starport scaffolding # proto/tx/import
+
+option go_package = "github.com/lavanet/lava/x/subscription/types";
+
+// Msg defines the Msg service.
+service Msg {
+    // this line is used by starport scaffolding # proto/tx/rpc
+}
+
+// this line is used by starport scaffolding # proto/tx/message