plugeth/eth/peer.go
Péter Szilágyi c10a0a62c3
eth: request id dispatcher and direct req/reply APIs (#23576)
* eth: request ID based message dispatcher

* eth: fix dispatcher cancellation, rework fetchers idleness tracker

* eth/downloader: drop peers who refuse to serve advertised chains
2021-11-26 13:26:03 +02:00

69 lines
2.2 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"
"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
snapExt *snapPeer // Satellite `snap` connection
snapWait chan struct{} // Notification channel for snap connections
}
// info gathers and returns some `eth` protocol metadata known about a peer.
func (p *ethPeer) info() *ethPeerInfo {
hash, td := p.Head()
return &ethPeerInfo{
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
}
// info gathers and returns some `snap` protocol metadata known about a peer.
func (p *snapPeer) info() *snapPeerInfo {
return &snapPeerInfo{
Version: p.Version(),
}
}