nix

refactor: clean up `LedgerEntry.cpp` #4319

Job	Run time
dependencies (linux, gcc, Debug)	3m 18s
dependencies (linux, gcc, Release)	2m 17s
dependencies (linux, clang, Debug)	2m 49s
dependencies (linux, clang, Release)	2m 19s
coverage (linux, gcc, Debug)	13m 34s
conan	2m 52s
test (linux, gcc, Debug)	10m 10s
test (linux, gcc, Debug, -Dunity=ON)	8m 13s
test (linux, gcc, Release)	12m 8s
test (linux, gcc, Release, -Dunity=ON)	8m 32s
test (linux, clang, Debug)	9m 28s
test (linux, clang, Debug, -Dunity=ON)	6m 36s
test (linux, clang, Release)	11m 4s
test (linux, clang, Release, -Dunity=ON)	8m 22s
	1h 41m 42s

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