bsc/eth/peer.go
zjubfd 1ded097733
[R4R]implement diff sync (#376)
* implement block process part of light sync

* add difflayer protocol

* handle difflayer and refine light processor

* add testcase for diff protocol

* make it faster

* allow validator to light sync

* change into diff sync

* ligth sync: download difflayer (#2)

* ligth sync: download difflayer

Signed-off-by: kyrie-yl <lei.y@binance.com>

* download diff layer: fix according to the comments

Signed-off-by: kyrie-yl <lei.y@binance.com>

* download diff layer: update

Signed-off-by: kyrie-yl <lei.y@binance.com>

* download diff layer: fix accroding comments

Signed-off-by: kyrie-yl <lei.y@binance.com>

Co-authored-by: kyrie-yl <lei.y@binance.com>

* update light sync to diff sync

* raise the max diff limit

* add switcher of snap protocol

* fix test case

* make commit concurrently

* remove peer for diff cache when peer closed

* consensus tuning

* add test code

* remove extra message

* fix testcase and lint

make diff block configable

wait code write

fix testcase

resolve comments

resolve comment

* resolve comments

* resolve comments

* resolve comment

* fix mistake

Co-authored-by: kyrie-yl <83150977+kyrie-yl@users.noreply.github.com>
Co-authored-by: kyrie-yl <lei.y@binance.com>
2021-09-28 16:03:38 +08:00

96 lines
3.0 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/diff"
"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
diffExt *diffPeer
syncDrop *time.Timer // Connection dropper if `eth` sync progress isn't validated in time
snapWait chan struct{} // Notification channel for snap connections
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 &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
}
// diffPeerInfo represents a short summary of the `diff` sub-protocol metadata known
// about a connected peer.
type diffPeerInfo struct {
Version uint `json:"version"` // diff protocol version negotiated
DiffSync bool `json:"diff_sync"`
}
// snapPeer is a wrapper around snap.Peer to maintain a few extra metadata.
type snapPeer struct {
*snap.Peer
}
// diffPeer is a wrapper around diff.Peer to maintain a few extra metadata.
type diffPeer struct {
*diff.Peer
}
// info gathers and returns some `diff` protocol metadata known about a peer.
func (p *diffPeer) info() *diffPeerInfo {
return &diffPeerInfo{
Version: p.Version(),
DiffSync: p.DiffSync(),
}
}
// info gathers and returns some `snap` protocol metadata known about a peer.
func (p *snapPeer) info() *snapPeerInfo {
return &snapPeerInfo{
Version: p.Version(),
}
}