Data race error

[zemyblue]

Summary of Bug

Almost test-race test is failed after #495.
I think this data race problem is occurred by goleveldb used in Ostracon.

for example:
https://github.com/line/lbm-sdk/runs/6127657380?check_suite_focus=true

Version

after #495

Steps to Reproduce

---

For Admin Use

• Not duplicate issue
• Appropriate labels applied
• Appropriate contributors tagged
• Contributor assigned/self-assigned

[zemyblue]

This bug was not fixed.
I merged #516 into #513. And this similar bug was occurred again.

https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true

WARNING: DATA RACE
[153](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:153)
Write at 0x00c0030d7690 by goroutine 120:
[154](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:154)
  github.com/line/lbm-sdk/baseapp.(*BaseApp).BeginBlock()
[155](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:155)
      /home/runner/work/lbm-sdk/lbm-sdk/baseapp/abci.go:195 +0xf9e
[156](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:156)
  github.com/line/lbm-sdk/simapp.(*SimApp).BeginBlock()
[157](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:157)
      <autogenerated>:1 +0xf7
[158](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:158)
  github.com/line/ostracon/abci/client.(*localClient).BeginBlockSync()
[159](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:159)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/abci/client/local_client.go:295 +0x1b4
[160](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:160)
  github.com/line/ostracon/proxy.(*appConnConsensus).BeginBlockSync()
[161](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:161)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/proxy/app_conn.go:85 +0xd4
[162](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:162)
  github.com/line/ostracon/state.execBlockOnProxyApp()
[163](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:163)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/state/execution.go:383 +0x734
[164](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:164)
  github.com/line/ostracon/state.(*BlockExecutor).ApplyBlock()
[165](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:165)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/state/execution.go:169 +0x252
[166](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:166)
  github.com/line/ostracon/consensus.(*State).finalizeCommit()
[167](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:167)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:1699 +0x1056
[168](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:168)
  github.com/line/ostracon/consensus.(*State).tryFinalizeCommit()
[169](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:169)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:1610 +0x5c7
[170](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:170)
  github.com/line/ostracon/consensus.(*State).enterCommit.func1()
[171](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:171)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:1545 +0x146
[172](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:172)
  github.com/line/ostracon/consensus.(*State).enterCommit()
[173](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:173)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:1583 +0x94c
[174](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:174)
  github.com/line/ostracon/consensus.(*State).addVote()
[175](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:175)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:2251 +0x152e
[176](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:176)
  github.com/line/ostracon/consensus.(*State).tryAddVote()
[177](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:177)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:2048 +0x7c
[178](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:178)
  github.com/line/ostracon/consensus.(*State).handleMsg()
[179](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:179)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:888 +0xe56
[180](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:180)
  github.com/line/ostracon/consensus.(*State).receiveRoutine()
[181](https://github.com/line/lbm-sdk/runs/6209018884?check_suite_focus=true#step:6:181)
      /home/runner/go/pkg/mod/github.com/line/ostracon@v1.0.4/consensus/state.go:832 +0x8a4
...