diff options
Diffstat (limited to 'consensus/errors.go')
| -rw-r--r-- | consensus/errors.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/consensus/errors.go b/consensus/errors.go new file mode 100644 index 0000000..a005c5f --- /dev/null +++ b/consensus/errors.go @@ -0,0 +1,37 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. + +package consensus + +import "errors" + +var ( + // ErrUnknownAncestor is returned when validating a block requires an ancestor + // that is unknown. + ErrUnknownAncestor = errors.New("unknown ancestor") + + // ErrPrunedAncestor is returned when validating a block requires an ancestor + // that is known, but the state of which is not available. + ErrPrunedAncestor = errors.New("pruned ancestor") + + // ErrFutureBlock is returned when a block's timestamp is in the future according + // to the current node. + ErrFutureBlock = errors.New("block in the future") + + // ErrInvalidNumber is returned if a block's number doesn't equal it's parent's + // plus one. + ErrInvalidNumber = errors.New("invalid block number") +) |