proto: add creation date filters in ListInvoiceRequest

lnrpc/lightning.proto

@@ -3633,7 +3633,16 @@ message ListInvoiceRequest {
     specified index offset. This can be used to paginate backwards.
     */
     bool reversed = 6;
+
+    // If set, returns all invoices with a creation date greater than or euqal
+    // to it. Measured in seconds since the unix epoch.
+    uint64 creation_date_start = 7;
+
+    // If set, returns all invoices with a creation date less than or euqal to
+    // it. Measured in seconds since the unix epoch.
+    uint64 creation_date_end = 8;
 }
+
 message ListInvoiceResponse {
     /*
     A list of invoices from the time slice of the time series specified in the

lnrpc/lightning.swagger.json

@@ -1719,6 +1719,22 @@
             "in": "query",
             "required": false,
             "type": "boolean"
+          },
+          {
+            "name": "creation_date_start",
+            "description": "If set, returns all invoices with a creation date greater than or euqal\nto it. Measured in seconds since the unix epoch.",
+            "in": "query",
+            "required": false,
+            "type": "string",
+            "format": "uint64"
+          },
+          {
+            "name": "creation_date_end",
+            "description": "If set, returns all invoices with a creation date less than or euqal to\nit. Measured in seconds since the unix epoch.",
+            "in": "query",
+            "required": false,
+            "type": "string",
+            "format": "uint64"
           }
         ],
         "tags": [