75 lines
2.4 KiB
Go
75 lines
2.4 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// 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 eth
|
|
|
|
import (
|
|
"math/big"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/eth/protocols/eth"
|
|
"github.com/ethereum/go-ethereum/eth/protocols/snap"
|
|
)
|
|
|
|
// ethPeerInfo represents a short summary of the `eth` sub-protocol metadata known
|
|
// about a connected peer.
|
|
type ethPeerInfo struct {
|
|
Version uint `json:"version"` // Ethereum protocol version negotiated
|
|
Difficulty *big.Int `json:"difficulty"` // Total difficulty of the peer's blockchain
|
|
Head string `json:"head"` // Hex hash of the peer's best owned block
|
|
}
|
|
|
|
// ethPeer is a wrapper around eth.Peer to maintain a few extra metadata.
|
|
type ethPeer struct {
|
|
*eth.Peer
|
|
|
|
syncDrop *time.Timer // Connection dropper if `eth` sync progress isn't validated in time
|
|
lock sync.RWMutex // Mutex protecting the internal fields
|
|
}
|
|
|
|
// info gathers and returns some `eth` protocol metadata known about a peer.
|
|
func (p *ethPeer) info() *ethPeerInfo {
|
|
hash, td := p.Head()
|
|
|
|
return ðPeerInfo{
|
|
Version: p.Version(),
|
|
Difficulty: td,
|
|
Head: hash.Hex(),
|
|
}
|
|
}
|
|
|
|
// snapPeerInfo represents a short summary of the `snap` sub-protocol metadata known
|
|
// about a connected peer.
|
|
type snapPeerInfo struct {
|
|
Version uint `json:"version"` // Snapshot protocol version negotiated
|
|
}
|
|
|
|
// snapPeer is a wrapper around snap.Peer to maintain a few extra metadata.
|
|
type snapPeer struct {
|
|
*snap.Peer
|
|
|
|
ethDrop *time.Timer // Connection dropper if `eth` doesn't connect in time
|
|
lock sync.RWMutex // Mutex protecting the internal fields
|
|
}
|
|
|
|
// info gathers and returns some `snap` protocol metadata known about a peer.
|
|
func (p *snapPeer) info() *snapPeerInfo {
|
|
return &snapPeerInfo{
|
|
Version: p.Version(),
|
|
}
|
|
}
|