Feature/log

[wenchaopeng]

Proposed changes in this pull request

Explain the changes in this pull request in order to help the project maintainers understand the overall impact of it.

Please put an x against the checkboxes.

Type

• Bug fix: (Link to the issue #{issue No.})
• Feature (Non-breaking change)
• Feature (Breaking change)
• Documentation Improvement

Checklist

Write a small comment explaining if its N/A (not applicable)

• Read the CONTRIBUTION.
• All the tests are passing after the introduction of new changes.
• Added tests respective to the part of code I have written.
• Added proper documentation where ever applicable.
• Code has been written according to Golang-Style-Guide

Extra information

Any extra information related to this pull request.

[codecov]

Codecov Report

Merging #87 into master will decrease coverage by 0.01%.
The diff coverage is 25.88%.

@@            Coverage Diff             @@
##           master      #87      +/-   ##
==========================================
- Coverage      48%   47.99%   -0.02%     
==========================================
  Files          85       85              
  Lines        8016     7972      -44     
==========================================
- Hits         3848     3826      -22     
+ Misses       3449     3428      -21     
+ Partials      719      718       -1

Impacted Files	Coverage Δ
consensus/utils.go	100% <ø> (+33.33%)	⬆️
rpc/ipc.go	100% <ø> (ø)	⬆️
rpc/types.go	91.3% <ø> (ø)	⬆️
p2p/events.go	80% <ø> (+7.27%)	⬆️
rpc/websocket.go	49.58% <ø> (+1.52%)	⬆️
p2p/message.go	70.12% <ø> (+2.62%)	⬆️
rpc/inproc.go	100% <ø> (ø)	⬆️
rpc/http.go	56.11% <ø> (-1.82%)	⬇️
rpc/client.go	44.87% <ø> (-0.11%)	⬇️
rpc/ipc_unix.go	63.63% <ø> (-3.04%)	⬇️
... and 22 more

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