Load the block tree and coins database from disk, initializing state if we're running with -reindex
Declared in <validation.h>
[[requires_capability(0x7fd753e2f1b8), requires_capability(0x7fd74dcf0868), requires_capability(0x7fd74a14e468), requires_capability(0x7fd75e70f6f8)]]
bool
LoadBlockIndex();true if the block index was loaded successfully.