core/rawdb: allocate database keys with explicit size to avoid slice …

[ucwong]

…growth

[codecov]

Codecov Report

Merging #1690 (f1d913b) into master (9c995d6) will increase coverage by 0.03%.
Report is 4 commits behind head on master.
The diff coverage is 0.00%.

❗ Current head f1d913b differs from pull request most recent head ae7f3b4. Consider uploading reports for the commit ae7f3b4 to get more accurate results

@@            Coverage Diff             @@
##           master    #1690      +/-   ##
==========================================
+ Coverage   52.55%   52.58%   +0.03%     
==========================================
  Files         481      481              
  Lines       60275    60283       +8     
==========================================
+ Hits        31675    31699      +24     
+ Misses      26191    26169      -22     
- Partials     2409     2415       +6     

Files Changed	Coverage Δ
core/rawdb/database.go	9.49% <0.00%> (ø)
core/rawdb/schema.go	26.31% <0.00%> (-3.10%)	⬇️

... and 9 files with indirect coverage changes