feat!: Implement version-based anchor signature verification

[litt3]

• Closes EGDA-2466
  • link

This PR piggybacks off of a blob version bump to migrate to anchored dispersals without breaking backwards compatibility.

NOTE: We must register the next blob version in different environments (with identical parameters) before shipping this change

[codecov]

Codecov Report

❌ Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 39.13%. Comparing base (b271d75) to head (5653ed3).

Files with missing lines	Patch %	Lines
disperser/apiserver/disperse_blob_v2.go	0.00%	4 Missing ⚠️
api/proxy/config/v2/eigendaflags/cli.go	0.00%	2 Missing ⚠️
api/clients/v2/payload_client_config.go	0.00%	1 Missing ⚠️

❌ Your patch check has failed because the patch coverage (0.00%) is below the target coverage (50.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2433      +/-   ##
==========================================
- Coverage   39.13%   39.13%   -0.01%     
==========================================
  Files         550      550              
  Lines       50749    50750       +1     
==========================================
- Hits        19862    19859       -3     
- Misses      28391    28393       +2     
- Partials     2496     2498       +2     

Flag	Coverage Δ
litt-tests	32.99% <ø> (ø)
unit-tests	39.94% <0.00%> (-0.01%)	⬇️

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[cody-littley]

Do we have the "version number stealing" schema described anywhere in this repo? Might be worth a paragraph somewhere, although I'm not sure where precisely it would belong.

[litt3]

Do we have the "version number stealing" schema described anywhere in this repo? Might be worth a paragraph somewhere, although I'm not sure where precisely it would belong.

@cody-littley I added some additional docs in 725f235