feat(protocol): Batch TX Data #694

Job	Run time
cfg-check	38s
doctest	59s
clippy	41s
docs	35s
feature-checks	2m 34s
feature-powerset	4m 8s
fmt	14s
no-std	35s
test stable --no-default-features	52s
wasm-wasi	54s
wasm-unknown	1m 0s
test stable	53s
test stable --all-features	1m 27s
test nightly --no-default-features	45s
test nightly	52s
test nightly --all-features	1m 5s
test 1.81 --no-default-features	51s
test 1.81	53s
	19m 56s

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