Update the chain tip based on database information, i.e. CoinsTip()'s best block.
Declared in <validation.h>
[[requires_capability(0x7f9513ab52d8), requires_capability(0x7f9502c98348), requires_capability(0x7f952544a078), requires_capability(0x7f9517400358)]]
bool
LoadChainTip();
true if the chain tip was loaded successfully.