Frontier scan client #2383

Job	Run time
Linux [UBSAN] [lmdb \| clang]	42m 53s
Linux [ASAN] [lmdb \| clang]	41m 17s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	41m 58s
macOS [UBSAN] [lmdb \| clang]	37m 11s
macOS [ASAN] [lmdb \| clang]	32m 48s
Linux [TSAN] [lmdb \| clang]	47m 59s
macOS [TSAN] [lmdb \| clang]	36m 48s
Linux [LEAK] [lmdb \| clang]	42m 30s
Linux [UBSAN] [rocksdb \| clang]	54m 26s
Linux [ASAN] [rocksdb \| clang]	1h 0m 11s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	1h 4m 54s
Linux [LEAK] [rocksdb \| clang]	1h 5m 19s
macOS [UBSAN] [rocksdb \| clang]	45m 58s
macOS [ASAN] [rocksdb \| clang]	40m 1s
macOS [TSAN] [rocksdb \| clang]	58m 6s
	11h 52m 19s

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