Encapsulate ledger cache counts #1597

Job	Run time
Linux [UBSAN] [lmdb \| clang]	40m 11s
Linux [ASAN] [lmdb \| clang]	37m 27s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	40m 24s
Linux [TSAN] [lmdb \| clang] (Errors Ignored)	41m 14s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	36m 41s
Linux [UBSAN] [rocksdb \| clang]	42m 49s
Linux [ASAN] [rocksdb \| clang]	47m 19s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	52m 42s
Linux [TSAN] [rocksdb \| clang] (Errors Ignored)	1h 32m 50s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	47m 1s
macOS [UBSAN] [lmdb \| clang]	33m 32s
macOS [ASAN] [lmdb \| clang]	27m 17s
macOS [TSAN] [lmdb \| clang] (Errors Ignored)	24m 56s
macOS [UBSAN] [rocksdb \| clang]	38m 16s
macOS [ASAN] [rocksdb \| clang]	38m 28s
macOS [TSAN] [rocksdb \| clang] (Errors Ignored)	44m 19s
	11h 25m 26s

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