Merge branch 'nanocurrency:develop' into qt_state_open #12

Job	Run time
macOS [UBSAN] [lmdb \| clang]	33m 12s
Linux [UBSAN] [lmdb \| clang]	39m 42s
macOS [ASAN] [lmdb \| clang]	30m 30s
macOS [TSAN] [lmdb \| clang]	32m 50s
Linux [ASAN] [lmdb \| clang]	40m 7s
macOS [UBSAN] [rocksdb \| clang]	40m 48s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	41m 31s
macOS [ASAN] [rocksdb \| clang]	38m 25s
Linux [TSAN] [lmdb \| clang]	43m 10s
macOS [TSAN] [rocksdb \| clang]	55m 34s
Linux [LEAK] [lmdb \| clang]	40m 42s
Linux [UBSAN] [rocksdb \| clang]	54m 42s
Linux [ASAN] [rocksdb \| clang]	56m 2s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	57m 34s
Linux [LEAK] [rocksdb \| clang]	57m 6s
	11h 1m 55s

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