Load the block tree and coins database from disk, initializing state if we're running with -reindex
Declared in <validation.h>
[[requires_capability(0x7ff37ba956c8), requires_capability(0x7ff375ddc058), requires_capability(0x7ff37e1a5928), requires_capability(0x7ff375a97798)]]
bool
LoadBlockIndex();true if the block index was loaded successfully.