github.1485827954.workers.dev/ethereum/go-ethereum@v1.14.3/eth/peer.go (about)

     1  // Copyright 2015 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 eth
    18  
    19  import (
    20  	"github.com/ethereum/go-ethereum/eth/protocols/eth"
    21  	"github.com/ethereum/go-ethereum/eth/protocols/snap"
    22  )
    23  
    24  // ethPeerInfo represents a short summary of the `eth` sub-protocol metadata known
    25  // about a connected peer.
    26  type ethPeerInfo struct {
    27  	Version uint `json:"version"` // Ethereum protocol version negotiated
    28  }
    29  
    30  // ethPeer is a wrapper around eth.Peer to maintain a few extra metadata.
    31  type ethPeer struct {
    32  	*eth.Peer
    33  	snapExt *snapPeer // Satellite `snap` connection
    34  }
    35  
    36  // info gathers and returns some `eth` protocol metadata known about a peer.
    37  func (p *ethPeer) info() *ethPeerInfo {
    38  	return &ethPeerInfo{
    39  		Version: p.Version(),
    40  	}
    41  }
    42  
    43  // snapPeerInfo represents a short summary of the `snap` sub-protocol metadata known
    44  // about a connected peer.
    45  type snapPeerInfo struct {
    46  	Version uint `json:"version"` // Snapshot protocol version negotiated
    47  }
    48  
    49  // snapPeer is a wrapper around snap.Peer to maintain a few extra metadata.
    50  type snapPeer struct {
    51  	*snap.Peer
    52  }
    53  
    54  // info gathers and returns some `snap` protocol metadata known about a peer.
    55  func (p *snapPeer) info() *snapPeerInfo {
    56  	return &snapPeerInfo{
    57  		Version: p.Version(),
    58  	}
    59  }