github.com/cgcardona/r-subnet-evm@v0.1.5/consensus/errors.go (about) 1 // (c) 2019-2020, Ava Labs, Inc. 2 // 3 // This file is a derived work, based on the go-ethereum library whose original 4 // notices appear below. 5 // 6 // It is distributed under a license compatible with the licensing terms of the 7 // original code from which it is derived. 8 // 9 // Much love to the original authors for their work. 10 // ********** 11 // Copyright 2017 The go-ethereum Authors 12 // This file is part of the go-ethereum library. 13 // 14 // The go-ethereum library is free software: you can redistribute it and/or modify 15 // it under the terms of the GNU Lesser General Public License as published by 16 // the Free Software Foundation, either version 3 of the License, or 17 // (at your option) any later version. 18 // 19 // The go-ethereum library is distributed in the hope that it will be useful, 20 // but WITHOUT ANY WARRANTY; without even the implied warranty of 21 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 // GNU Lesser General Public License for more details. 23 // 24 // You should have received a copy of the GNU Lesser General Public License 25 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 26 27 package consensus 28 29 import "errors" 30 31 var ( 32 // ErrUnknownAncestor is returned when validating a block requires an ancestor 33 // that is unknown. 34 ErrUnknownAncestor = errors.New("unknown ancestor") 35 36 // ErrPrunedAncestor is returned when validating a block requires an ancestor 37 // that is known, but the state of which is not available. 38 ErrPrunedAncestor = errors.New("pruned ancestor") 39 40 // ErrFutureBlock is returned when a block's timestamp is in the future according 41 // to the current node. 42 ErrFutureBlock = errors.New("block in the future") 43 44 // ErrInvalidNumber is returned if a block's number doesn't equal its parent's 45 // plus one. 46 ErrInvalidNumber = errors.New("invalid block number") 47 )