34 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			34 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
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								// Copyright 2017 The go-ethereum Authors
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								// This file is part of the go-ethereum library.
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								//
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								// The go-ethereum library is free software: you can redistribute it and/or modify
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								// it under the terms of the GNU Lesser General Public License as published by
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								// the Free Software Foundation, either version 3 of the License, or
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								// (at your option) any later version.
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								//
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								// The go-ethereum library is distributed in the hope that it will be useful,
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								// but WITHOUT ANY WARRANTY; without even the implied warranty of
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								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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								// GNU Lesser General Public License for more details.
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								//
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								// You should have received a copy of the GNU Lesser General Public License
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								// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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								package consensus
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								import "errors"
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								var (
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									// ErrUnknownAncestor is returned when validating a block requires an ancestor
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									// that is unknown.
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									ErrUnknownAncestor = errors.New("unknown ancestor")
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									// ErrFutureBlock is returned when a block's timestamp is in the future according
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									// to the current node.
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									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
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									// plus one.
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									ErrInvalidNumber = errors.New("invalid block number")
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								)
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