Tendermint version (use tendermint version or git rev-parse --verify HEAD if installed from source):
0d985ed

ABCI app (name for built-in, URL for self-written if it's publicly available):

Environment:

• OS (e.g. from /etc/os-release):
• Install tools:
• Others:

What happened:
there are some code should be enhanced

What you expected to happen:
I will contribute code later
Have you tried the latest version: yes/no

How to reproduce it (as minimally and precisely as possible):

Logs (paste a small part showing an error (< 10 lines) or link a pastebin, gist, etc. containing more of the log file):

Config (you can paste only the changes you've made):

node command runtime flags:

/dump_consensus_state output for consensus bugs

Anything else we need to know: