1ded097733
* 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>
88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
// Copyright 2020 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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"fmt"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/eth/protocols/diff"
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"github.com/ethereum/go-ethereum/p2p/enode"
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)
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// diffHandler implements the diff.Backend interface to handle the various network
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// packets that are sent as replies or broadcasts.
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type diffHandler handler
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func (h *diffHandler) Chain() *core.BlockChain { return h.chain }
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// RunPeer is invoked when a peer joins on the `diff` protocol.
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func (h *diffHandler) RunPeer(peer *diff.Peer, hand diff.Handler) error {
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if err := peer.Handshake(h.diffSync); err != nil {
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return err
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}
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defer h.chain.RemoveDiffPeer(peer.ID())
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return (*handler)(h).runDiffExtension(peer, hand)
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}
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// PeerInfo retrieves all known `diff` information about a peer.
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func (h *diffHandler) PeerInfo(id enode.ID) interface{} {
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if p := h.peers.peer(id.String()); p != nil && p.diffExt != nil {
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return p.diffExt.info()
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}
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return nil
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}
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// Handle is invoked from a peer's message handler when it receives a new remote
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// message that the handler couldn't consume and serve itself.
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func (h *diffHandler) Handle(peer *diff.Peer, packet diff.Packet) error {
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// DeliverSnapPacket is invoked from a peer's message handler when it transmits a
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// data packet for the local node to consume.
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switch packet := packet.(type) {
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case *diff.DiffLayersPacket:
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return h.handleDiffLayerPackage(packet, peer.ID(), false)
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case *diff.FullDiffLayersPacket:
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return h.handleDiffLayerPackage(&packet.DiffLayersPacket, peer.ID(), true)
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default:
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return fmt.Errorf("unexpected diff packet type: %T", packet)
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}
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}
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func (h *diffHandler) handleDiffLayerPackage(packet *diff.DiffLayersPacket, pid string, fulfilled bool) error {
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diffs, err := packet.Unpack()
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if err != nil {
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return err
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}
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for _, d := range diffs {
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if d != nil {
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if err := d.Validate(); err != nil {
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return err
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}
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}
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}
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for _, diff := range diffs {
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err := h.chain.HandleDiffLayer(diff, pid, fulfilled)
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if err != nil {
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return err
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}
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}
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return nil
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}
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