add example for tx_search endpoint

rpc/core/tx.go

@@ -105,7 +105,7 @@ func Tx(hash []byte, prove bool) (*ctypes.ResultTx, error) {
 // TxSearch allows you to query for multiple transactions results.
 //
 // ```shell
-// curl "localhost:46657/tx_search?query='account.owner=\'Ivan\''&prove=true"
+// curl "localhost:46657/tx_search?query=\"account.owner='Ivan'\"&prove=true"
 // ```
 //
 // ```go
@@ -117,6 +117,33 @@ func Tx(hash []byte, prove bool) (*ctypes.ResultTx, error) {
 // > The above command returns JSON structured like this:
 //
 // ```json
+// {
+//   "result": [
+//     {
+//       "proof": {
+//         "Proof": {
+//           "aunts": [
+//             "J3LHbizt806uKnABNLwG4l7gXCA=",
+//             "iblMO/M1TnNtlAefJyNCeVhjAb0=",
+//             "iVk3ryurVaEEhdeS0ohAJZ3wtB8=",
+//             "5hqMkTeGqpct51ohX0lZLIdsn7Q=",
+//             "afhsNxFnLlZgFDoyPpdQSe0bR8g="
+//           ]
+//         },
+//         "Data": "mvZHHa7HhZ4aRT0xMDA=",
+//         "RootHash": "F6541223AA46E428CB1070E9840D2C3DF3B6D776",
+//         "Total": 32,
+//         "Index": 31
+//       },
+//       "tx": "mvZHHa7HhZ4aRT0xMDA=",
+//       "tx_result": {},
+//       "index": 31,
+//       "height": 12
+//     }
+//   ],
+//   "id": "",
+//   "jsonrpc": "2.0"
+// }
 // ```
 //
 // Returns transactions matching the given query.