consensus/consensus/errors.go

   1 package consensus
   2
   3 import "errors"
   4
   5 var (
   6         // ErrUnknownAncestor is returned when validating a block requires an ancestor
   7         // that is unknown.
   8         ErrUnknownAncestor = errors.New("unknown ancestor")
   9
  10         // ErrPrunedAncestor is returned when validating a block requires an ancestor
  11         // that is known, but the state of which is not available.
  12         ErrPrunedAncestor = errors.New("pruned ancestor")
  13
  14         // ErrFutureBlock is returned when a block's timestamp is in the future according
  15         // to the current node.
  16         ErrFutureBlock = errors.New("block in the future")
  17
  18         // ErrInvalidNumber is returned if a block's number doesn't equal it's parent's
  19         // plus one.
  20         ErrInvalidNumber = errors.New("invalid block number")
  21 )