From 1ce328e8a9f5229e7722819f0316546b66236920 Mon Sep 17 00:00:00 2001
From: Victor Shyba <victor.shyba@gmail.com>
Date: Fri, 5 Feb 2021 21:02:53 -0300
Subject: [PATCH] cache signature inspection

---
 lbry/wallet/rpc/util.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lbry/wallet/rpc/util.py b/lbry/wallet/rpc/util.py
index 1fb743de3..4d461ec69 100644
--- a/lbry/wallet/rpc/util.py
+++ b/lbry/wallet/rpc/util.py
@@ -32,10 +32,13 @@ import inspect
 
 # other_params: None means cannot be called with keyword arguments only
 # any means any name is good
+from functools import lru_cache
+
 SignatureInfo = namedtuple('SignatureInfo', 'min_args max_args '
                            'required_names other_names')
 
 
+@lru_cache(256)
 def signature_info(func):
     params = inspect.signature(func).parameters
     min_args = max_args = 0