compact db missing key starts with 0xff

[ucwong]

No description provided.

[codecov]

Codecov Report

Merging #1745 (0e17c7b) into master (44d33c2) will increase coverage by 0.03%.
Report is 3 commits behind head on master.
The diff coverage is 0.00%.

❗ Current head 0e17c7b differs from pull request most recent head f4c6f66. Consider uploading reports for the commit f4c6f66 to get more accurate results

@@            Coverage Diff             @@
##           master    #1745      +/-   ##
==========================================
+ Coverage   52.68%   52.71%   +0.03%     
==========================================
  Files         486      486              
  Lines       60460    60460              
==========================================
+ Hits        31852    31874      +22     
+ Misses      26169    26143      -26     
- Partials     2439     2443       +4     

Files	Coverage Δ
core/types/transaction.go	64.24% <0.00%> (ø)
ctxc/fetcher/tx_fetcher.go	0.00% <0.00%> (ø)

... and 11 files with indirect coverage changes