017831dd5b
This commit splits the eth package, separating the handling of eth and snap protocols. It also includes the capability to run snap sync (https://github.com/ethereum/devp2p/blob/master/caps/snap.md) , but does not enable it by default. Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de> Co-authored-by: Martin Holst Swende <martin@swende.se>
75 lines
2.4 KiB
Go
75 lines
2.4 KiB
Go
// Copyright 2015 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 eth
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import (
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"math/big"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/eth/protocols/eth"
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"github.com/ethereum/go-ethereum/eth/protocols/snap"
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)
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// ethPeerInfo represents a short summary of the `eth` sub-protocol metadata known
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// about a connected peer.
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type ethPeerInfo struct {
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Version uint `json:"version"` // Ethereum protocol version negotiated
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Difficulty *big.Int `json:"difficulty"` // Total difficulty of the peer's blockchain
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Head string `json:"head"` // Hex hash of the peer's best owned block
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}
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// ethPeer is a wrapper around eth.Peer to maintain a few extra metadata.
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type ethPeer struct {
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*eth.Peer
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syncDrop *time.Timer // Connection dropper if `eth` sync progress isn't validated in time
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lock sync.RWMutex // Mutex protecting the internal fields
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}
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// info gathers and returns some `eth` protocol metadata known about a peer.
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func (p *ethPeer) info() *ethPeerInfo {
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hash, td := p.Head()
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return ðPeerInfo{
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Version: p.Version(),
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Difficulty: td,
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Head: hash.Hex(),
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}
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}
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// snapPeerInfo represents a short summary of the `snap` sub-protocol metadata known
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// about a connected peer.
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type snapPeerInfo struct {
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Version uint `json:"version"` // Snapshot protocol version negotiated
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}
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// snapPeer is a wrapper around snap.Peer to maintain a few extra metadata.
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type snapPeer struct {
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*snap.Peer
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ethDrop *time.Timer // Connection dropper if `eth` doesn't connect in time
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lock sync.RWMutex // Mutex protecting the internal fields
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}
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// info gathers and returns some `snap` protocol metadata known about a peer.
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func (p *snapPeer) info() *snapPeerInfo {
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return &snapPeerInfo{
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Version: p.Version(),
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}
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}
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