Reuse functions from Cardano.Api.Tx.Body and match nomenclature. #6510

Job	Run time
Build & test (hydra-plutus)	7m 5s
Build haddock using nix	9m 55s
Build & test (hydra-tui)	10m 27s
Build & test (hydra-node)	10m 17s
nix flake check	4m 32s
Build & test (hydra-tx)	8m 59s
Benchmarks (hydra-node, tx-cost, --output-directory $(pwd)/../benchmarks)	10m 54s
Build & test (hydra-cluster)	10m 38s
Benchmarks (hydra-node, micro, -o $(pwd)/../benchmarks/ledger-bench.html)	9m 52s
Benchmarks (hydra-cluster, bench-e2e, datasets datasets/1-node.json datasets/3-nodes.json --outpu...	10m 44s
Build specification using nix	1m 49s
Compute cost differences	12m 51s
Publish test results	0s
Documentation	0s
Publish benchmark results	0s
	1h 48m 3s

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