github.com/ethereumproject/go-ethereum@v5.5.2+incompatible/pow/block.go (about)

     1  // Copyright 2014 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package pow
    18  
    19  import (
    20  	"math/big"
    21  
    22  	"github.com/ethereumproject/go-ethereum/common"
    23  	"github.com/ethereumproject/go-ethereum/core/types"
    24  )
    25  
    26  type Block interface {
    27  	Difficulty() *big.Int
    28  	HashNoNonce() common.Hash
    29  	Nonce() uint64
    30  	MixDigest() common.Hash
    31  	NumberU64() uint64
    32  }
    33  
    34  type ChainManager interface {
    35  	GetBlockByNumber(uint64) *types.Block
    36  	CurrentBlock() *types.Block
    37  }