feat: implement spinlock

[gythialy]

• refine sync structure
• add spin lock

Signed-off-by: Goren G yong.gu@qlink.mobi

Proposed changes in this pull request

Type

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

Checklist

• 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 #334 into master will decrease coverage by 0.04%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master     #334      +/-   ##
==========================================
- Coverage   44.96%   44.91%   -0.05%     
==========================================
  Files         161      162       +1     
  Lines       16147    16158      +11     
==========================================
- Hits         7260     7258       -2     
- Misses       7757     7768      +11     
- Partials     1130     1132       +2

Impacted Files	Coverage Δ
common/sync/hashmap/list.go	80.89% <ø> (ø)
trie/node_pool.go	33.33% <ø> (ø)	⬆️
common/sync/hashmap/hashmap.go	95.81% <ø> (ø)
common/sync/hashmap/util.go	100% <ø> (ø)
common/sync/hashmap/listelement.go	100% <ø> (ø)
vm/vmstore/vm_store.go	55.29% <ø> (ø)	⬆️
common/sync/hashmap/hashmap_get.go	91.3% <ø> (ø)
common/event/event_bus_impl.go	95.28% <100%> (ø)	⬆️
common/sync/spinlock/spinlock.go	63.63% <63.63%> (ø)
p2p/bootstrap.go	66.66% <0%> (-27.28%)	⬇️
... and 3 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 59d7a1e...9769422. Read the comment docs.