status-go/vendor/github.com/ethereum/go-ethereum/consensus/errors.go

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// Copyright 2017 The go-ethereum Authors
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// 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
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import "errors"
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var (
// ErrUnknownAncestor is returned when validating a block requires an ancestor
// that is unknown.
ErrUnknownAncestor = errors.New("unknown ancestor")
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// 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")
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// ErrInvalidNumber is returned if a block's number doesn't equal it's parent's
// plus one.
ErrInvalidNumber = errors.New("invalid block number")
)