wip: use wal file to replay chain

[thehowl]

related: #2751, #1509, #1511

Contributors' checklist...

• Added new tests, or not needed, or not feasible
• Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• Updated the official documentation or not needed
• No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• Added references to related issues and PRs
• Provided any useful hints for running manual tests
• Added new benchmarks to generated graphs, if any. More info here.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 10 lines in your changes missing coverage. Please review.

Project coverage is 60.92%. Comparing base (09b6241) to head (fdb69d6).

Files with missing lines	Patch %	Lines
tm2/pkg/bft/consensus/replay_file.go	0.00%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2885      +/-   ##
==========================================
+ Coverage   60.90%   60.92%   +0.01%     
==========================================
  Files         564      564              
  Lines       75273    75267       -6     
==========================================
+ Hits        45846    45854       +8     
+ Misses      26055    26041      -14     
  Partials     3372     3372              

Flag	Coverage Δ
contribs/gnodev	61.46% <ø> (ø)
contribs/gnofaucet	14.46% <ø> (ø)
misc/genstd	80.54% <ø> (ø)
misc/logos	19.88% <ø> (ø)
tm2	62.08% <0.00%> (+0.04%)	⬆️

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