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message.go
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message.go
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/*
This file is part of go-palletone.
go-palletone is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-palletone 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-palletone. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* @author PalletOne core developers <dev@pallet.one>
* @date 2018
*/
package ptn
import (
"encoding/json"
"fmt"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/rlp"
"github.com/palletone/go-palletone/common"
"github.com/palletone/go-palletone/common/log"
"github.com/palletone/go-palletone/common/p2p"
"github.com/palletone/go-palletone/consensus/jury"
mp "github.com/palletone/go-palletone/consensus/mediatorplugin"
"github.com/palletone/go-palletone/dag/modules"
"github.com/palletone/go-palletone/ptn/downloader"
)
type Tag uint64
const errStr = "this node is not synced"
func (pm *ProtocolManager) StatusMsg(msg p2p.Msg, p *peer) error {
// Status messages should never arrive after the handshake
return errResp(ErrExtraStatusMsg, "uncontrolled status message")
}
// Block header query, collect the requested headers and reply
func (pm *ProtocolManager) GetBlockHeadersMsg(msg p2p.Msg, p *peer) error {
// Decode the complex header query
log.Debug("===Enter GetBlockHeadersMsg===")
defer log.Debug("===End GetBlockHeadersMsg===")
var query getBlockHeadersData
if err := msg.Decode(&query); err != nil {
log.Info("GetBlockHeadersMsg Decode", "err:", err, "msg:", msg)
return errResp(ErrDecode, "%v: %v", msg, err)
}
hashMode := query.Origin.Hash != (common.Hash{})
log.Debug("ProtocolManager", "GetBlockHeadersMsg getBlockHeadersData:", query,
"GetBlockHeadersMsg hashMode:", hashMode)
// Gather headers until the fetch or network limits is reached
var (
bytes common.StorageSize
headers []*modules.Header
unknown bool
)
for !unknown && len(headers) < int(query.Amount) && bytes < softResponseLimit &&
len(headers) < downloader.MaxHeaderFetch {
// Retrieve the next header satisfying the query
var origin *modules.Header
if hashMode {
origin, _ = pm.dag.GetHeaderByHash(query.Origin.Hash)
} else {
log.Debug("ProtocolManager", "GetBlockHeadersMsg query.Origin.Number:", query.Origin.Number.Index)
origin, _ = pm.dag.GetHeaderByNumber(&query.Origin.Number)
}
if origin == nil {
break
}
log.Debug("ProtocolManager", "GetBlockHeadersMsg origin index:", origin.GetNumber().Index)
number := origin.GetNumber().Index
headers = append(headers, origin)
bytes += estHeaderRlpSize
// Advance to the next header of the query
switch {
case hashMode && query.Reverse:
// Hash based traversal towards the genesis block
for i := 0; i < int(query.Skip)+1; i++ {
if header, err := pm.dag.GetHeaderByHash(query.Origin.Hash); err == nil && header != nil {
if number != 0 {
query.Origin.Hash = header.ParentHash()[0]
}
number--
} else {
unknown = true
break
}
}
case hashMode && !query.Reverse:
// Hash based traversal towards the leaf block
//log.Debug("ProtocolManager", "GetBlockHeadersMsg ", "Hash based towards the leaf block")
var (
current = origin.GetNumber().Index
next = current + query.Skip + 1
index = origin.GetNumber()
)
//log.Debug("ProtocolManager", "GetBlockHeadersMsg next", next, "current:", current)
if next <= current {
infos, _ := json.MarshalIndent(p.Peer.Info(), "", " ")
log.Warn("GetBlockHeaders skip overflow attack", "current", current, "skip", query.Skip,
"next", next, "attacker", infos)
unknown = true
} else {
index.Index = next
log.Debug("ProtocolManager", "GetBlockHeadersMsg index.Index:", index.Index)
if header, _ := pm.dag.GetHeaderByNumber(index); header != nil {
hashs := pm.dag.GetUnitHashesFromHash(header.Hash(), query.Skip+1)
log.Debug("ProtocolManager", "GetUnitHashesFromHash len(hashs):", len(hashs),
"header.index:", header.GetNumber().Index, "header.hash:", header.Hash().String(),
"query.Skip+1", query.Skip+1)
if len(hashs) > int(query.Skip) && (hashs[query.Skip] == query.Origin.Hash) {
query.Origin.Hash = header.Hash()
} else {
log.Debug("ProtocolManager GetBlockHeadersMsg unknown = true;" +
" pm.dag.GetUnitHashesFromHash not equal origin hash.")
log.Debug("ProtocolManager", "GetBlockHeadersMsg header.Hash()", header.Hash(),
"query.Skip+1:", query.Skip+1, "query.Origin.Hash:", query.Origin.Hash)
unknown = true
}
} else {
log.Debug("ProtocolManager", "GetBlockHeadersMsg unknown = true; pm.dag.GetHeaderByNumber"+
" not found. Index:", index.Index)
unknown = true
}
}
case query.Reverse:
// Number based traversal towards the genesis block
log.Debug("ProtocolManager", "GetBlockHeadersMsg ", "Number based towards the genesis block")
if query.Origin.Number.Index >= query.Skip+1 {
query.Origin.Number.Index -= query.Skip + 1
} else {
log.Debug("ProtocolManager", "GetBlockHeadersMsg query.Reverse", "unknown is true")
unknown = true
}
case !query.Reverse:
// Number based traversal towards the leaf block
log.Debug("ProtocolManager", "GetBlockHeadersMsg ", "Number based towards the leaf block")
query.Origin.Number.Index += query.Skip + 1
}
}
number := len(headers)
if number > 0 {
log.Debug("ProtocolManager", "GetBlockHeadersMsg query.Amount", query.Amount, "send number:", number,
"start:", headers[0].GetNumber().Index, "end:", headers[number-1].GetNumber().Index, " getBlockHeadersData:", query)
} else {
log.Debug("ProtocolManager", "GetBlockHeadersMsg query.Amount", query.Amount, "send number:", 0,
" getBlockHeadersData:", query)
}
return p.SendUnitHeaders(headers)
}
func (pm *ProtocolManager) BlockHeadersMsg(msg p2p.Msg, p *peer) error {
// A batch of headers arrived to one of our previous requests
var headers []*modules.Header
if err := msg.Decode(&headers); err != nil {
log.Info("msg.Decode", "err:", err)
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
log.Debug("ProtocolManager", "BlockHeadersMsg len(headers):", len(headers))
// Filter out any explicitly requested headers, deliver the rest to the downloader
filter := len(headers) == 1
if filter {
// Irrelevant of the fork checks, send the header to the fetcher just in case
headers = pm.fetcher.FilterHeaders(p.id, headers, time.Now())
}
if len(headers) > 0 || !filter {
//log.Debug("===BlockHeadersMsg ===", "len(headers):", len(headers))
err := pm.downloader.DeliverHeaders(p.id, headers)
if err != nil {
log.Debug("Failed to deliver headers", "err", err.Error())
}
}
return nil
}
func (pm *ProtocolManager) GetBlockBodiesMsg(msg p2p.Msg, p *peer) error {
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
log.Debug("msgStream.List() err:", err)
return err
}
// Gather blocks until the fetch or network limits is reached
var (
hash common.Hash
bytes int
bodies [][]byte //rlp.RawValue
//bodies []blockBody
)
for bytes < softResponseLimit && len(bodies) < downloader.MaxBlockFetch {
// Retrieve the hash of the next block
if err := msgStream.Decode(&hash); err == rlp.EOL {
break
} else if err != nil {
log.Debug("msgStream.Decode", "err", err)
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
//log.Debug("GetBlockBodiesMsg", "hash", hash)
// Retrieve the requested block body, stopping if enough was found
txs, err := pm.dag.GetUnitTransactions(hash)
if err != nil || len(txs) == 0 {
log.Debug("GetBlockBodiesMsg", "hash:", hash, "GetUnitTransactions err:", err)
//return errResp(ErrDecode, "msg %v: %v", msg, err)
continue
}
data, err := rlp.EncodeToBytes(txs)
if err != nil {
log.Debug("Get body Marshal encode", "error", err.Error(), "unit hash", hash.String())
//return errResp(ErrDecode, "msg %v: %v", msg, err)
continue
}
//log.Debug("Get body Marshal", "data:", string(data))
bytes += len(data)
bodies = append(bodies, data)
}
log.Debug("GetBlockBodiesMsg", "len(bodies):", len(bodies), "bytes:", bytes)
//return p.SendBlockBodies(bodies)
return p.SendBlockBodiesRLP(bodies)
}
func (pm *ProtocolManager) BlockBodiesMsg(msg p2p.Msg, p *peer) error {
// A batch of block bodies arrived to one of our previous requests
log.Debug("Enter ProtocolManager BlockBodiesMsg")
defer log.Debug("End ProtocolManager BlockBodiesMsg")
var request [][]byte //rlp.RawValue
if err := msg.Decode(&request); err != nil {
log.Info("BlockBodiesMsg msg Decode", "err:", err, "msg:", msg)
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
transactions := make([][]*modules.Transaction, len(request))
for i, body := range request {
if len(body) == 0 {
continue
}
var txs modules.Transactions
if err := rlp.DecodeBytes(body, &txs); err != nil {
log.Debug("have body rlp decode", "error", err.Error(), "body", string(body))
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
transactions[i] = txs
}
log.Debug("Full ProtocolManager BlockBodiesMsg", "len(transactions:)", len(transactions))
// Filter out any explicitly requested bodies, deliver the rest to the downloader
filter := len(transactions) > 0
if filter {
transactions = pm.fetcher.FilterBodies(p.id, transactions, time.Now())
}
if len(transactions) > 0 || !filter {
err := pm.downloader.DeliverBodies(p.id, transactions)
if err != nil {
log.Debug("Failed to deliver bodies", "err", err.Error())
}
}
return nil
}
func (pm *ProtocolManager) GetNodeDataMsg(msg p2p.Msg, p *peer) error {
// Decode the retrieval message
msgStream := rlp.NewStream(msg.Payload, uint64(msg.Size))
if _, err := msgStream.List(); err != nil {
return err
}
// Gather state data until the fetch or network limits is reached
var (
hash common.Hash
bytes int
data [][]byte
)
for bytes < softResponseLimit && len(data) < downloader.MaxStateFetch {
// Retrieve the hash of the next state entry
if err := msgStream.Decode(&hash); err == rlp.EOL {
break
} else if err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
// Retrieve the requested state entry, stopping if enough was found
}
return p.SendNodeData(data)
}
func (pm *ProtocolManager) NodeDataMsg(msg p2p.Msg, p *peer) error {
// A batch of node state data arrived to one of our previous requests
var data [][]byte
if err := msg.Decode(&data); err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
// Deliver all to the downloader
if err := pm.downloader.DeliverNodeData(p.id, data); err != nil {
log.Debug("Failed to deliver node state data", "err", err.Error())
}
return nil
}
func (pm *ProtocolManager) NewBlockHashesMsg(msg p2p.Msg, p *peer) error {
log.Debug("Enter Full ProtocolManager NewBlockHashesMsg")
defer log.Debug("End Full ProtocolManager NewBlockHashesMsg")
var announces newBlockHashesData
if err := msg.Decode(&announces); err != nil {
return errResp(ErrDecode, "%v: %v", msg, err)
}
// Mark the hashes as present at the remote node
for _, block := range announces {
p.MarkUnit(block.Hash)
}
// Schedule all the unknown hashes for retrieval
unknown := make(newBlockHashesData, 0, len(announces))
for _, block := range announces {
if !pm.dag.HasUnit(block.Hash) {
unknown = append(unknown, block)
}
}
log.Debug("Full ProtocolManager NewBlockHashesMsg", "len(unknown):", len(unknown))
for _, block := range unknown {
pm.fetcher.Notify(p.id, block.Hash, &block.Number, time.Now(), p.RequestOneHeader, p.RequestBodies)
}
return nil
}
//func includeContractTx(txs []*modules.Transaction) bool { //todo sort
// for _, tx := range txs {
// if tx.IsContractTx() && tx.IsOnlyContractRequest() {
// return true
// }
// }
// return false
//}
func (pm *ProtocolManager) TxMsg(msg p2p.Msg, p *peer) error {
log.Debug("Enter TxMsg")
defer log.Debug("End TxMsg")
// Transactions arrived, make sure we have a valid and fresh chain to handle them
if atomic.LoadUint32(&pm.acceptTxs) == 0 {
log.Debug("TxMsg pm.acceptTxs==0")
return nil
}
// Transactions can be processed, parse all of them and deliver to the pool
var txs []*modules.Transaction
if err := msg.Decode(&txs); err != nil {
log.Debug("TxMsg", "Decode err:", err, "msg:", msg)
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
log.Debugf("TxMsg, tx num[%d]", len(txs))
for i, tx := range txs {
if tx == nil {
return errResp(ErrDecode, "TxMsg transaction %d is nil", i)
}
txHash := tx.Hash()
reqId := tx.RequestHash()
p.MarkTransaction(txHash)
if pm.IsExistInCache(txHash.Bytes()) {
return nil
}
log.Debugf("[%s]TxMsg, index[%d] txHash[%s] tx:%s", reqId.ShortStr(), i, txHash.ShortStr(), tx.String())
if tx.IsContractTx() && tx.GetContractTxType() == modules.APP_CONTRACT_INVOKE_REQUEST {
//系统合约的请求可以P2P广播,但是包含结果的系统合约请求,只能在打包时生成,不能广播
if tx.IsSystemContract() {
if !tx.IsOnlyContractRequest() {
log.Debugf("[%s]TxMsg, Tx[%s] is a sys contract with result, don't need send by p2p",
reqId.ShortStr(), txHash.String())
continue
}
}
}
//添加到本地交易
err := pm.contractProc.AddLocalTx(tx)
if err != nil {
log.Warnf("[%s]TxMsg, AddLocalTx[%s] err:%s", reqId.ShortStr(), txHash.String(), err.Error())
}
err = pm.txpool.AddRemote(tx)
if err != nil {
log.Infof("[%s]TxMsg,the transaction %s not accepteable, err:%s", reqId.ShortStr(), txHash.String(), err.Error())
}
}
return nil
}
func (pm *ProtocolManager) NewBlockMsg(msg p2p.Msg, p *peer) error {
// Retrieve and decode the propagated block
//unit := &modules.Unit{}
data := []byte{}
if err := msg.Decode(&data); err != nil {
log.Info("ProtocolManager", "NewBlockMsg msg:", msg.String())
return errResp(ErrDecode, "%v: %v", msg, err)
}
unit := &modules.Unit{}
if err := rlp.DecodeBytes(data, &unit); err != nil {
log.Info("ProtocolManager", "NewBlockMsg rlp decode err:", err, "data", string(data))
return err
}
if unit.IsEmpty() {
log.Errorf("unit is nil/empty")
return nil
}
unitHash := unit.Hash()
p.MarkUnit(unitHash)
p.SetHead(unitHash, unit.Number(), nil)
if pm.IsExistInCache(unitHash.Bytes()) {
//log.Debugf("Received unit(%v) again, ignore it", unitHash.TerminalString())
return nil
}
timestamp := time.Unix(unit.Timestamp(), 0)
log.Infof("Received unit(%v) #%v parent(%v) @%v signed by %v", unitHash.TerminalString(),
unit.NumberU64(), unit.ParentHash()[0].TerminalString(), timestamp.Format("2006-01-02 15:04:05"),
unit.Author().Str())
// append by Albert·Gou
latency := time.Since(timestamp)
if latency < -5*time.Second {
errStr := fmt.Sprintf("Rejecting unit #%v with timestamp(%v) in the future signed by %v",
unit.NumberU64(), timestamp.Format("2006-01-02 15:04:05"), unit.Author().Str())
log.Debugf(errStr)
return fmt.Errorf(errStr)
}
log.DebugDynamic(func() string {
txids := []common.Hash{}
for _, tx := range unit.Txs {
txids = append(txids, tx.Hash())
}
return fmt.Sprintf("NewBlockMsg, received unit hash %s, txs:[%x]", unit.Hash().String(), txids)
})
unit.ReceivedAt = msg.ReceivedAt
unit.ReceivedFrom = p
// Mark the peer as owning the block and schedule it for import
//p.MarkUnit(unit.UnitHash)
pm.fetcher.Enqueue(p.id, unit)
requestNumber := unit.Number()
hash, number := p.Head(requestNumber.AssetID)
if common.EmptyHash(hash) || (!common.EmptyHash(hash) && requestNumber.Index > number.Index) {
log.Debug("ProtocolManager", "NewBlockMsg SetHead request.Index:", requestNumber.Index,
"local peer index:", number.Index)
//p.SetHead(unit.Hash(), requestNumber, nil)
//currentUnitIndex := pm.dag.GetCurrentUnit(unit.Number().AssetID).UnitHeader.Number.Index
currentUnitIndex := pm.dag.HeadUnitNum()
if requestNumber.Index > currentUnitIndex+1 {
log.Debug("ProtocolManager", "NewBlockMsg synchronize request.Index:", requestNumber.Index,
"current unit index+1:", currentUnitIndex+1)
go func() {
pm.synchronize(p, requestNumber.AssetID, nil)
}()
}
}
return nil
}
func (pm *ProtocolManager) SigShareMsg(msg p2p.Msg, p *peer) error {
var sigShare mp.SigShareEvent
if err := msg.Decode(&sigShare); err != nil {
errStr := fmt.Sprintf("SigShareMsg: %v, err: %v", msg, err)
log.Debugf(errStr)
//return fmt.Errorf(errStr)
return nil
}
hash := sigShare.Hash()
p.MarkSigShare(hash)
if pm.IsExistInCache(hash.Bytes()) {
return nil
}
// 判断是否同步, 如果没同步完成,接收到的 sigShare 对当前节点来说是超前的
if !pm.dag.IsSynced(false) {
log.Debugf(errStr)
go pm.BroadcastSigShare(&sigShare)
//return fmt.Errorf(errStr)
return nil
}
unitHash := sigShare.UnitHash
// 或者由于网络延迟,该单元在收到群签名之前,已经根据深度转为不可逆了
isStable, _ := pm.dag.IsIrreversibleUnit(unitHash)
if isStable {
return nil
}
header, err := pm.dag.GetHeaderByHash(unitHash)
if err != nil {
log.Debugf("fail to get header of unit(%v), err: %v", unitHash.TerminalString(), err.Error())
return nil
}
if pm.producer.IsLocalMediator(header.Author()) {
go pm.producer.AddToTBLSRecoverBuf(&sigShare, header)
} else {
go pm.BroadcastSigShare(&sigShare)
}
return nil
}
//GroupSigMsg
func (pm *ProtocolManager) GroupSigMsg(msg p2p.Msg, p *peer) error {
var gSign mp.GroupSigEvent
if err := msg.Decode(&gSign); err != nil {
errStr := fmt.Sprintf("GroupSigMsg: %v, err: %v", msg, err)
log.Debugf(errStr)
//return fmt.Errorf(errStr)
return nil
}
hash := gSign.Hash()
p.MarkGroupSig(hash)
if pm.IsExistInCache(hash.Bytes()) {
return nil
}
// 或者由于网络延迟,该单元在收到群签名之前,已经根据深度转为不可逆了
isStable, _ := pm.dag.IsIrreversibleUnit(gSign.UnitHash)
if !isStable {
pm.BroadcastGroupSig(&gSign)
go pm.dag.SetUnitGroupSign(gSign.UnitHash, gSign.GroupSig)
}
return nil
}
func (pm *ProtocolManager) VSSDealMsg(msg p2p.Msg, p *peer) error {
var deal mp.VSSDealEvent
if err := msg.Decode(&deal); err != nil {
errStr := fmt.Sprintf("VSSDealMsg: %v, err: %v", msg, err)
log.Debugf(errStr)
//return fmt.Errorf(errStr)
return nil
}
hash := deal.Hash()
p.MarkVSSDeal(hash)
if pm.IsExistInCache(hash.Bytes()) {
return nil
}
// 判断是否同步, 如果没同步完成,接收到的 vss deal 对当前节点来说是超前的
if !pm.dag.IsSynced(true) {
log.Debugf(errStr)
go pm.BroadcastVSSDeal(&deal)
//return fmt.Errorf(errStr)
return nil
}
ma := pm.dag.GetActiveMediatorAddr(int(deal.DstIndex))
if pm.producer.IsLocalMediator(ma) {
go pm.producer.AddToDealBuf(&deal)
} else {
go pm.BroadcastVSSDeal(&deal)
}
return nil
}
func (pm *ProtocolManager) VSSResponseMsg(msg p2p.Msg, p *peer) error {
var resp mp.VSSResponseEvent
if err := msg.Decode(&resp); err != nil {
errStr := fmt.Sprintf("VSSResponseMsg: %v, err: %v", msg, err)
log.Debugf(errStr)
//return fmt.Errorf(errStr)
return nil
}
hash := resp.Hash()
p.MarkVSSResponse(hash)
if pm.IsExistInCache(hash.Bytes()) {
return nil
}
go pm.BroadcastVSSResponse(&resp)
// 判断是否同步, 如果没同步完成,接收到的 vss response 对当前节点来说是超前的
if !pm.dag.IsSynced(true) {
log.Debugf(errStr)
//return fmt.Errorf(errStr)
return nil
}
go pm.producer.AddToResponseBuf(&resp)
return nil
}
func (pm *ProtocolManager) ContractMsg(msg p2p.Msg, p *peer) error {
var event jury.ContractEvent
if err := msg.Decode(&event); err != nil {
log.Info("ContractMsg", "err:", err)
return errResp(ErrDecode, "%v: %v", msg, err)
}
if pm.IsExistInCache(event.Hash().Bytes()) {
//log.Debugf("Received event(%v) again, ignore it", event.Hash().String())
return nil
}
// 判断是否同步, 如果没同步完成,接收到的 ContractMsg 对当前节点来说是超前的
//if !pm.dag.IsSynced(false) {
// log.Debugf(errStr)
// //return fmt.Errorf(errStr)
// return nil
//}
reqId := event.Tx.RequestHash()
log.Debugf("[%s] ContractMsg, event type[%v]", reqId.ShortStr(), event.CType)
brd, err := pm.contractProc.ProcessContractEvent(&event)
if err != nil {
log.Debugf("[%s]ContractMsg, error:%s", reqId.ShortStr(), err.Error())
}
if brd && pm.peers != nil {
peers := pm.peers.GetPeers()
log.Debugf("[%s]ContractMsg, event type[%d], peers num[%d]", reqId.ShortStr(), event.CType, len(peers))
for _, peer := range peers {
if err := peer.SendContractTransaction(event); err != nil {
log.Error("ContractMsg", "SendContractTransaction err:", err.Error())
}
}
}
return nil
}
func (pm *ProtocolManager) ElectionMsg(msg p2p.Msg, p *peer) error {
var evs jury.ElectionEventBytes
if err := msg.Decode(&evs); err != nil {
log.Info("ElectionMsg", "err:", err)
return errResp(ErrDecode, "%v: %v", msg, err)
}
if pm.IsExistInCache(evs.Hash().Bytes()) {
return nil
}
// 判断是否同步, 如果没同步完成,接收到的 ElectionMsg 对当前节点来说是超前的
if !pm.dag.IsSynced(false) {
log.Debugf(errStr)
return nil
}
event, err := evs.ToElectionEvent()
if err != nil {
log.Errorf("ElectionMsg, ToElectionEvent fail, err:%s", err.Error())
return nil
}
ReqId := event.ReqId()
log.Debugf("[%s]ElectionMsg, event type[%v]", ReqId.ShortStr(), event.EType)
err = pm.contractProc.ProcessElectionEvent(event)
if err != nil {
log.Warnf("[%s]ElectionMsg, ProcessElectionEvent error:%s", ReqId.ShortStr(), err)
}
if pm.peers != nil {
peers := pm.peers.GetPeers()
log.Debugf("[%s]ElectionMsg, event type[%d], peers num[%d]", ReqId.ShortStr(), event.EType, len(peers))
for idx, peer := range peers {
if err := peer.SendElectionEvent(*event); err != nil {
log.Errorf("[%s]ElectionMsg, SendContractTransaction err[%d]:%s", ReqId.ShortStr(), idx, err.Error())
}
}
}
return nil
}
func (pm *ProtocolManager) AdapterMsg(msg p2p.Msg, p *peer) error {
var avs jury.AdapterEventBytes
if err := msg.Decode(&avs); err != nil {
log.Info("ProtocolManager AdapterMsg", "err:", err)
return errResp(ErrDecode, "%v: %v", msg, err)
}
if pm.IsExistInCache(avs.Hash().Bytes()) {
return nil
}
event, err := avs.ToAdapterEvent()
if err != nil {
log.Debug("ProtocolManager AdapterMsg, ToAdapterEvent fail")
return nil
}
_, err = pm.contractProc.ProcessAdapterEvent(event)
if err != nil {
log.Debug("ProtocolManager AdapterMsg", "ProcessAdapterEvent error:", err)
}
return nil
}
func (pm *ProtocolManager) GetLeafNodesMsg(msg p2p.Msg, p *peer) error {
headers, err := pm.dag.GetAllLeafNodes()
if err != nil {
log.Info("Full ProtocolManager GetLeafNodesMsg", "err:", err)
return errResp(ErrDecode, "%v: %v", msg, err)
}
return p.SendUnitHeaders(headers)
}