Update data_layer_height to da_height

[nashqueue]

Resolves: #345

[codecov-commenter]

Codecov Report

Merging #519 (e475c23) into main (41d5cc3) will decrease coverage by 0.39%.
The diff coverage is 73.91%.

@@            Coverage Diff             @@
##             main     #519      +/-   ##
==========================================
- Coverage   56.09%   55.69%   -0.40%     
==========================================
  Files          50       50              
  Lines        9279     9555     +276     
==========================================
+ Hits         5205     5322     +117     
- Misses       3314     3438     +124     
- Partials      760      795      +35     

Impacted Files	Coverage Δ
types/pb/dalc/dalc.pb.go	38.78% <60.00%> (ø)
da/grpc/grpc.go	73.13% <100.00%> (ø)
da/grpc/mockserv/mockserv.go	82.35% <100.00%> (ø)
da/mock/mock.go	79.54% <100.00%> (ø)
types/validation.go	36.36% <0.00%> (-8.09%)	⬇️
types/serialization.go	66.28% <0.00%> (-3.21%)	⬇️
node/node.go	60.82% <0.00%> (-0.29%)	⬇️
types/pb/optimint/optimint.pb.go	40.29% <0.00%> (+0.01%)	⬆️
block/manager.go	62.88% <0.00%> (+0.52%)	⬆️

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[tzdybal]

Please use: [(gogoproto.customname) = "DAHeight"] in proto file, to avoid strange capitalization (DaHeight).

You'll also need add import "gogoproto/gogo.proto"; on top of the file.

See: https://github.com/tendermint/tendermint/v0.34.14/proto/tendermint/p2p/types.proto

[tzdybal]

LGTM!