[WIP] [Storage Refactor] Refactor saving execution results

[zhangchiqing]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 38.00403% with 615 lines in your changes missing coverage. Please review.

Project coverage is 42.06%. Comparing base (19df94c) to head (9a8f654).
Report is 23 commits behind head on master.

Files with missing lines	Patch %	Lines
storage/operation/transaction_results.go	0.00%	94 Missing ⚠️
storage/store/receipts.go	52.50%	28 Missing and 10 partials ⚠️
storage/store/my_receipts.go	54.32%	33 Missing and 4 partials ⚠️
cmd/execution_builder.go	0.00%	33 Missing ⚠️
storage/store/results.go	65.26%	27 Missing and 6 partials ⚠️
storage/store/events.go	25.00%	30 Missing ⚠️
engine/execution/state/state.go	43.13%	22 Missing and 7 partials ⚠️
storage/mocks/storage.go	0.00%	23 Missing ⚠️
engine/testutil/nodes.go	0.00%	22 Missing ⚠️
storage/store/transaction_results.go	54.54%	17 Missing and 3 partials ⚠️
... and 35 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6906      +/-   ##
==========================================
+ Coverage   41.09%   42.06%   +0.97%     
==========================================
  Files        2118     1799     -319     
  Lines      185850   164016   -21834     
==========================================
- Hits        76369    68991    -7378     
+ Misses     103080    89248   -13832     
+ Partials     6401     5777     -624     

Flag	Coverage Δ
unittests	42.06% <38.00%> (+0.97%)	⬆️

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