Using keyring-backend=os leads to a high number of Keychain passwords prompts

[mdyring]

Describe the bug
It seems emd does something differently from gaiad when doing keys list.

On gaiad it will ask for the Keychain (for MacOS) password once. With emd it prompts for the password for each key.

How to reproduce

emd keys add key1
emd keys add key2
emd keys add key3
emd keys add key4
emd keys list

Observe: you will need to enter Keychain password 4 times before the list is shown.

Expected behavior
Keychain password should only be entered once to list all the keys.

Additional context
Maybe emd tries to read secret data when listing keys? (causing the Keychain prompt)

[mdyring]

osmosisd seems to exhibit same behaviour as emd. Maybe gaiad is doing something "clever"?

[dualsystems]

If use keyring-backend file on linux system prompts one time.

[blewater]

Couldn't replicate this issue on Catalina.

In the following steps, I was prompted for the password once

emd config keyring-backend os
emd config keyring-backend
os

emd keys add key1
emd keys add key2
emd keys add key3
emd keys add key4
emd keys list | jq

[
  {
    "name": "key1",
    "type": "local",
    "address": "emoney13mlhdy23h952suhhp8dthwu7ucvalr5lxjndsr",
    "pubkey": "emoneypub1addwnpepqf9zcq0vwrgmekxqd7c5dn8q2gnzzwv64qtgcharqcg03x6llm63z69yl7r"
  },
...

[blewater]

os points to the macOS keychain. These macOS instructions may offer insight into the stored passwords https://support.apple.com/en-gb/guide/keychain-access/kyca1085/11.0/mac/11.0