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parablssign.go
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parablssign.go
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// Copyright Fuzamei Corp. 2018 All Rights Reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package para
import (
"bytes"
"math"
"sort"
"strings"
"sync/atomic"
"time"
"github.com/assetcloud/chain/common"
"github.com/assetcloud/chain/common/crypto"
"github.com/assetcloud/chain/types"
"github.com/assetcloud/chain/util"
pt "github.com/assetcloud/plugin/plugin/dapp/paracross/types"
"github.com/pkg/errors"
)
const (
maxRcvTxCount = 1000 //channel buffer, max 100 nodes, 1 height tx or 1 txgroup per node
defLeaderHeardTickInt = 10 //10s heart tick sync interval
defWatchLeaderSyncInt = 60 //60s watch leader heard tick interval
defLeaderSwitchInt = 1000 //每隔1000个共识高度切换一次leader,大约6小时(按50个空块间隔计算)
delaySubP2pTopic = 10 //30s to sub p2p topic
defConsensHeightThreshold = 40 //共识高度和chainHeight差值阈值,超过此阈值,则任一共识done节点可尽快发送共识交易,不限于leader
paraBlsSignTopic = "PARA-BLS-SIGN-TOPIC"
)
type blsConfig struct {
BlsSign bool `json:"blsSign,omitempty"`
LeaderHeardTickInt int32 `json:"leaderHeardTickInt,omitempty"`
WatchLeaderSyncInt int32 `json:"watchLeaderSyncInt,omitempty"`
LeaderSwitchInt int32 `json:"leaderSwitchIntval,omitempty"`
ConsensHeightDiffThreshold int32 `json:"consensHeightDiffThreshold,omitempty"`
//支持只配置部分nodegroup地址即可聚合,另一部分地址不聚合直接发送交易
PartNodeGroup int32 `json:"partNodeGroup,omitempty"`
}
type blsClient struct {
paraClient *client
selfID string
cryptoCli crypto.Crypto
blsPriKey crypto.PrivKey
blsPubKey crypto.PubKey
peersBlsPubKey map[string]crypto.PubKey
commitsPool map[int64]*pt.ParaBlsSignSumDetails
rcvCommitTxCh chan []*pt.ParacrossCommitAction
blsSignOn bool
leaderOffset int32
leaderSwitchInt int32
leaderHeardTickInt int32
watchLeaderSyncInt int32
consensHeightDiffThreshold int32
partNodeGroup int32
feedDog uint32
quit chan struct{}
typeNode uint32
}
func newBlsClient(para *client, cfg *subConfig) *blsClient {
b := &blsClient{paraClient: para}
b.selfID = cfg.AuthAccount
cli, err := crypto.Load("bls", -1)
if err != nil {
panic("new bls crypto fail")
}
b.cryptoCli = cli
b.peersBlsPubKey = make(map[string]crypto.PubKey)
b.commitsPool = make(map[int64]*pt.ParaBlsSignSumDetails)
b.rcvCommitTxCh = make(chan []*pt.ParacrossCommitAction, maxRcvTxCount)
b.quit = make(chan struct{})
b.leaderSwitchInt = defLeaderSwitchInt
b.leaderHeardTickInt = defLeaderHeardTickInt
b.watchLeaderSyncInt = defWatchLeaderSyncInt
b.consensHeightDiffThreshold = defConsensHeightThreshold
if cfg.Bls != nil {
b.blsSignOn = cfg.Bls.BlsSign
if cfg.Bls.LeaderSwitchInt > 0 {
b.leaderSwitchInt = cfg.Bls.LeaderSwitchInt
}
if cfg.Bls.LeaderHeardTickInt > 0 {
b.leaderHeardTickInt = cfg.Bls.LeaderHeardTickInt
}
if cfg.Bls.WatchLeaderSyncInt > 0 {
b.watchLeaderSyncInt = cfg.Bls.WatchLeaderSyncInt
}
if cfg.Bls.ConsensHeightDiffThreshold > 0 {
b.consensHeightDiffThreshold = cfg.Bls.ConsensHeightDiffThreshold
}
if cfg.Bls.PartNodeGroup > 0 {
b.partNodeGroup = cfg.Bls.PartNodeGroup
}
}
b.typeNode = pt.ParaCommitNode
return b
}
/*
1. 当前的leaderIndex和自己在nodegroup里面index一致,则自己是leader,负责发送共识交易
2. 当前leader负责每15s 发送一个喂狗消息,表明自己live
3. 每个node开启watchdog定时器,如果超时,则leaderIndex++, 寻找新的活的leader
4. node一旦收到新的喂狗消息,则把新消息的index更新为自己的leaderIndex, 如果和自己的leaderIndex冲突,则选大者
5. 每隔比如100个共识高度,就需要轮换leader,触发leaderIndex++,leader均衡轮换发送共识交易
*/
func (b *blsClient) procLeaderSync() {
defer b.paraClient.wg.Done()
if len(b.selfID) <= 0 || !b.blsSignOn {
return
}
var heardTicker <-chan time.Time
var watchLeaderTicker <-chan time.Time
p2pTimer := time.After(delaySubP2pTopic * time.Second)
var count uint32
out:
for {
select {
case <-heardTicker:
//leader需要定期喂狗
_, _, base, off, isLeader, _ := b.getLeaderInfo()
if isLeader {
count++
count = count & 0xffffff
act := &pt.ParaP2PSubMsg{Ty: P2pSubLeaderSyncMsg}
act.Value = &pt.ParaP2PSubMsg_SyncMsg{SyncMsg: &pt.LeaderSyncInfo{ID: b.selfID, BaseIdx: base, Offset: off, Count: count}}
err := b.paraClient.SendPubP2PMsg(paraBlsSignTopic, types.Encode(act))
if err != nil {
plog.Error("para.procLeaderSync heard ticker", "err", err)
}
plog.Debug("bls.event.procLeaderSync send heard tick", "self accout", b.selfID, "base", base, "off", off, "count", count)
}
case <-watchLeaderTicker:
//排除不在Nodegroup里面的Node
if !b.isValidNodes(b.selfID) {
plog.Warn("procLeaderSync watch, not in nodegroup", "self", b.selfID)
continue
}
//至少1分钟内要收到leader喂狗消息,否则认为leader挂了,index++
if atomic.LoadUint32(&b.feedDog) == 0 {
nodes, leader, base, off, _, _ := b.getLeaderInfo()
if len(nodes) <= 0 {
continue
}
newOff := (off + 1) % int32(len(nodes))
atomic.StoreInt32(&b.leaderOffset, newOff)
plog.Warn("bls.event.procLeaderSync watchdog", "failLeader", leader, "newLeader", nodes[newOff],
"base", base, "off", off, "newleader", newOff)
//leader切换,重新发送commit msg
b.paraClient.commitMsgClient.resetNotify()
}
atomic.StoreUint32(&b.feedDog, 0)
case <-p2pTimer:
err := b.paraClient.SendSubP2PTopic(paraBlsSignTopic)
if err != nil {
plog.Error("procLeaderSync.SubP2PTopic", "err", err)
p2pTimer = time.After(delaySubP2pTopic * time.Second)
continue
}
heardTicker = time.NewTicker(time.Second * time.Duration(b.leaderHeardTickInt)).C
watchLeaderTicker = time.NewTicker(time.Second * time.Duration(b.watchLeaderSyncInt)).C
case <-b.quit:
break out
}
}
}
//处理leader sync tx, 需接受同步的数据,两个节点基本的共识高度相同, 两个共同leader需相同
func (b *blsClient) rcvLeaderSyncTx(sync *pt.LeaderSyncInfo) error {
nodes, _, base, off, isLeader, _ := b.getLeaderInfo()
if len(nodes) <= 0 {
return errors.Wrapf(pt.ErrParaNodeGroupNotSet, "id=%s", b.selfID)
}
plog.Info("bls.event.rcvLeaderSync", "from.leader", sync.ID, "self", b.selfID,
"fromBase", sync.BaseIdx, "selfBase", base, "from.Off", sync.Offset, "selfOff", off, "count", sync.Count)
//接受同步数据需要两个节点基本的共识高度相同, 两个共同leader需相同
if sync.BaseIdx != base {
return errors.Wrapf(types.ErrNotSync, "leaderSync.base diff,peer=%s, base=%d,self.Base=%d,self=%s", sync.ID, sync.BaseIdx, base, b.selfID)
}
//如果leader节点冲突,取大者
if isLeader && off > sync.Offset {
return errors.Wrapf(types.ErrNotSync, "self is leader, off=%d bigger than peer sync=%d", off, sync.Offset)
}
//更新同步过来的最新offset 高度
atomic.CompareAndSwapInt32(&b.leaderOffset, b.leaderOffset, sync.Offset)
//两节点不同步则不喂狗,以防止非同步或作恶节点喂狗
atomic.StoreUint32(&b.feedDog, 1)
return nil
}
func (b *blsClient) getLeaderInfo() ([]string, string, int32, int32, bool, int64) {
//在未同步前 不处理聚合消息
if !b.paraClient.commitMsgClient.isSync() {
return nil, "", 0, 0, false, 0
}
nodes, _ := b.getSuperNodes()
if len(nodes) <= 0 {
return nil, "", 0, 0, false, 0
}
consensHeight := b.paraClient.commitMsgClient.getConsensusHeight()
//间隔的除数再根据nodes取余数,平均覆盖所有节点
baseIdx := int32((consensHeight / int64(b.leaderSwitchInt)) % int64(len(nodes)))
offIdx := atomic.LoadInt32(&b.leaderOffset)
leaderIdx := (baseIdx + offIdx) % int32(len(nodes))
return nodes, nodes[leaderIdx], baseIdx, offIdx, nodes[leaderIdx] == b.selfID, consensHeight
}
func (b *blsClient) getSuperGroupNodes() ([]string, string) {
// 获取授权节点
nodeStr, err := b.paraClient.commitMsgClient.getNodeGroupAddrs()
if err != nil {
return nil, ""
}
if strings.Contains(nodeStr, b.selfID) {
b.typeNode = pt.ParaCommitSuperNode
return strings.Split(nodeStr, ","), nodeStr
} else {
b.typeNode = pt.ParaCommitNode
}
return nil, ""
}
func (b *blsClient) getSupervisionGroupNodes() ([]string, string) {
// 获取监督节点
nodeStr, err := b.paraClient.commitMsgClient.getSupervisionNodeGroupAddrs()
if err != nil {
return nil, ""
}
if strings.Contains(nodeStr, b.selfID) {
b.typeNode = pt.ParaCommitSupervisionNode
return strings.Split(nodeStr, ","), nodeStr
} else {
b.typeNode = pt.ParaCommitNode
}
return nil, ""
}
func (b *blsClient) getSuperNodes() ([]string, string) {
if b.typeNode == pt.ParaCommitNode {
// 获取授权节点
nodes, nodeStr := b.getSuperGroupNodes()
if len(nodes) > 0 {
return nodes, nodeStr
}
return b.getSupervisionGroupNodes()
} else if b.typeNode == pt.ParaCommitSuperNode {
return b.getSuperGroupNodes()
} else if b.typeNode == pt.ParaCommitSupervisionNode {
return b.getSupervisionGroupNodes()
}
return nil, ""
}
func (b *blsClient) isValidNodes(id string) bool {
_, nodes := b.getSuperNodes()
return strings.Contains(nodes, id)
}
func (b *blsClient) clearDonePool(consensHeight int64) {
for h := range b.commitsPool {
if h <= consensHeight {
delete(b.commitsPool, h)
}
}
}
//1. 要等到达成共识了才发送,不然处理未达成共识的各种场景会比较复杂,而且浪费手续费
func (b *blsClient) procAggregateTxs() {
defer b.paraClient.wg.Done()
if len(b.selfID) <= 0 || !b.blsSignOn {
return
}
out:
for {
select {
case commits := <-b.rcvCommitTxCh:
integrateCommits(b.commitsPool, commits)
nodes, leader, _, _, isLeader, consensHeight := b.getLeaderInfo()
//清空已共识过的高度
b.clearDonePool(consensHeight)
//支持可配的只部分nodegroup地址参与聚合,另一部分直接发送
doneNodes := len(nodes)
if b.partNodeGroup > 0 && int(b.partNodeGroup) < doneNodes {
doneNodes = int(b.partNodeGroup)
}
//commitsPool里面任一高度满足共识,则认为done
if !isMostCommitDone(doneNodes, b.commitsPool, isLeader, leader) {
continue
}
//自己是Leader,或共识高度超过阈值则聚合并发送交易
if isLeader || int32(math.Abs(float64(b.paraClient.commitMsgClient.chainHeight-consensHeight))) > b.consensHeightDiffThreshold {
_ = b.sendAggregateTx(nodes, doneNodes)
}
case <-b.quit:
break out
}
}
}
func (b *blsClient) sendAggregateTx(nodes []string, doneNodes int) error {
dones := filterDoneCommits(doneNodes, b.commitsPool)
if len(dones) <= 0 {
return nil
}
acts, err := b.aggregateCommit2Action(nodes, dones)
if err != nil {
plog.Error("sendAggregateTx AggregateCommit2Action", "err", err)
return err
}
b.paraClient.commitMsgClient.sendCommitActions(acts)
return nil
}
func (b *blsClient) rcvCommitTx(tx *types.Transaction) error {
if !b.isValidNodes(tx.From()) {
plog.Error("rcvCommitTx is not valid node", "addr", tx.From(), "typeNode", b.typeNode)
return pt.ErrParaNodeAddrNotExisted
}
txs := []*types.Transaction{tx}
if count := tx.GetGroupCount(); count > 0 {
group, err := tx.GetTxGroup()
if err != nil {
plog.Error("rcvCommitTx GetTxGroup ", "err", err)
return errors.Wrap(err, "GetTxGroup")
}
txs = group.Txs
}
commits, err := b.checkCommitTx(txs)
if err != nil {
plog.Error("rcvCommitTx checkCommitTx ", "err", err)
return errors.Wrap(err, "checkCommitTx")
}
if len(commits) > 0 {
plog.Debug("bls.event.rcvCommitTx tx", "addr", tx.From(), "height", commits[0].Status.Height, "end", commits[len(commits)-1].Status.Height)
}
b.rcvCommitTxCh <- commits
return nil
}
func (b *blsClient) checkCommitTx(txs []*types.Transaction) ([]*pt.ParacrossCommitAction, error) {
var commits []*pt.ParacrossCommitAction
for _, tx := range txs {
//验签
if !tx.CheckSign(b.paraClient.GetCurrentHeight()) {
return nil, errors.Wrapf(types.ErrSign, "hash=%s", common.ToHex(tx.Hash()))
}
var act pt.ParacrossAction
err := types.Decode(tx.Payload, &act)
if err != nil {
return nil, errors.Wrap(err, "decode act")
}
if act.Ty != pt.ParacrossActionCommit {
return nil, errors.Wrapf(types.ErrInvalidParam, "act ty=%d", act.Ty)
}
//交易签名和bls签名用户一致
commit := act.GetCommit()
if tx.From() != commit.Bls.Addrs[0] {
return nil, errors.Wrapf(types.ErrFromAddr, "from=%s,bls addr=%s", tx.From(), commit.Bls.Addrs[0])
}
//验证bls 签名
err = b.verifyBlsSign(tx.From(), commit)
if err != nil {
return nil, errors.Wrapf(err, "from=%s", tx.From())
}
commits = append(commits, commit)
}
return commits, nil
}
func hasCommited(addrs []string, addr string) (bool, int) {
for i, a := range addrs {
if a == addr {
return true, i
}
}
return false, 0
}
//整合相同高度commits
func integrateCommits(pool map[int64]*pt.ParaBlsSignSumDetails, commits []*pt.ParacrossCommitAction) {
for _, cmt := range commits {
if _, ok := pool[cmt.Status.Height]; !ok {
pool[cmt.Status.Height] = &pt.ParaBlsSignSumDetails{Height: cmt.Status.Height}
}
a := pool[cmt.Status.Height]
found, i := hasCommited(a.Addrs, cmt.Bls.Addrs[0])
if found {
a.Msgs[i] = types.Encode(cmt.Status)
a.Signs[i] = cmt.Bls.Sign
continue
}
a.Addrs = append(a.Addrs, cmt.Bls.Addrs[0])
a.Msgs = append(a.Msgs, types.Encode(cmt.Status))
a.Signs = append(a.Signs, cmt.Bls.Sign)
}
}
//txBuff中任一高度满足done则认为ok,有可能某些未达成的高度是冗余的,达成共识的高度发给链最终判决
func isMostCommitDone(nodes int, txsBuff map[int64]*pt.ParaBlsSignSumDetails, isLeader bool, leader string) bool {
if nodes <= 0 {
return false
}
for i, v := range txsBuff {
most, _ := util.GetMostCommit(v.Msgs)
if util.IsCommitDone(nodes, most) {
plog.Info("bls.event.integrateCommits.mostCommitDone", "height", i, "peers", nodes, "isleader", isLeader, "leader", leader, "addrs", strings.Join(v.Addrs, ","))
return true
}
plog.Debug("bls.event.integrateCommits.isMostCommitDone.NOT", "height", i, "most", most, "nodes", nodes, "isleader", isLeader, "leader", leader, "addrs", strings.Join(v.Addrs, ","))
}
return false
}
//找出共识并达到2/3的commits, 并去除与共识不同的commits,为后面聚合签名做准备
func filterDoneCommits(nodes int, pool map[int64]*pt.ParaBlsSignSumDetails) []*pt.ParaBlsSignSumDetails {
var seq []int64
for i, v := range pool {
most, hash := util.GetMostCommit(v.Msgs)
if !util.IsCommitDone(nodes, most) {
continue
}
seq = append(seq, i)
//只保留与most相同的commits做聚合签名使用
a := &pt.ParaBlsSignSumDetails{Height: i}
for j, m := range v.Msgs {
if bytes.Equal([]byte(hash), m) {
a.Addrs = append(a.Addrs, v.Addrs[j])
a.Msgs = append(a.Msgs, []byte(hash))
a.Signs = append(a.Signs, v.Signs[j])
}
}
pool[i] = a
}
if len(seq) <= 0 {
return nil
}
//从低到高找出连续的commits
sort.Slice(seq, func(i, j int) bool { return seq[i] < seq[j] })
var signs []*pt.ParaBlsSignSumDetails
//共识高度要连续,不连续则退出
lastSeq := seq[0] - 1
for _, h := range seq {
if lastSeq+1 != h {
return signs
}
signs = append(signs, pool[h])
lastSeq = h
}
return signs
}
//聚合多个签名为一个签名,并设置地址bitmap
func (b *blsClient) aggregateCommit2Action(nodes []string, commits []*pt.ParaBlsSignSumDetails) ([]*pt.ParacrossCommitAction, error) {
var notify []*pt.ParacrossCommitAction
for _, v := range commits {
a := &pt.ParacrossCommitAction{Bls: &pt.ParacrossCommitBlsInfo{}}
s := &pt.ParacrossNodeStatus{}
_ = types.Decode(v.Msgs[0], s)
a.Status = s
sign, err := b.aggregateSigns(v.Signs)
if err != nil {
return nil, errors.Wrapf(err, "bls aggregate=%s", v.Addrs)
}
a.Bls.Sign = sign.Bytes()
bits, remains := util.SetAddrsBitMap(nodes, v.Addrs)
if len(remains) > 0 {
plog.Info("bls.signDoneCommits", "remains", remains)
}
a.Bls.AddrsMap = bits
notify = append(notify, a)
}
return notify, nil
}
func (b *blsClient) aggregateSigns(signs [][]byte) (crypto.Signature, error) {
var signatures []crypto.Signature
for _, data := range signs {
si, err := b.cryptoCli.SignatureFromBytes(data)
if err != nil {
return nil, err
}
signatures = append(signatures, si)
}
agg, err := crypto.ToAggregate(b.cryptoCli)
if err != nil {
return nil, types.ErrNotSupport
}
return agg.Aggregate(signatures)
}
func (b *blsClient) setBlsPriKey(secpPrkKey []byte) {
b.blsPriKey = b.getBlsPriKey(secpPrkKey)
b.blsPubKey = b.blsPriKey.PubKey()
serial := b.blsPubKey.Bytes()
plog.Debug("para commit get pub bls", "pubkey", common.ToHex(serial[:]))
}
func (b *blsClient) getBlsPriKey(key []byte) crypto.PrivKey {
var newKey [common.Sha256Len]byte
copy(newKey[:], key)
for {
pri, err := b.cryptoCli.PrivKeyFromBytes(newKey[:])
if nil != err {
plog.Debug("para commit getBlsPriKey try", "key", common.ToHex(newKey[:]))
copy(newKey[:], common.Sha256(newKey[:]))
continue
}
return pri
}
}
//transfer secp256 Private key to bls pub key
func (b *blsClient) secp256Prikey2BlsPub(key string) (string, error) {
secpPrkKey, err := getSecpPriKey(key)
if err != nil {
plog.Error("getSecpPriKey", "err", err)
return "", err
}
blsPriKey := b.getBlsPriKey(secpPrkKey.Bytes())
blsPubKey := blsPriKey.PubKey()
serial := blsPubKey.Bytes()
return common.ToHex(serial[:]), nil
}
func (b *blsClient) blsSign(commits []*pt.ParacrossCommitAction) error {
for _, cmt := range commits {
data := types.Encode(cmt.Status)
cmt.Bls = &pt.ParacrossCommitBlsInfo{Addrs: []string{b.selfID}}
sig := b.blsPriKey.Sign(data)
sign := sig.Bytes()
if len(sign) <= 0 {
return errors.Wrapf(types.ErrInvalidParam, "addr=%s,height=%d", b.selfID, cmt.Status.Height)
}
cmt.Bls.Sign = sign
plog.Debug("bls sign msg", "data", common.ToHex(data), "height", cmt.Status.Height, "sign", len(cmt.Bls.Sign), "src", len(sign))
}
return nil
}
func (b *blsClient) getBlsPubKey(addr string) (crypto.PubKey, error) {
//先从缓存中获取
if v, ok := b.peersBlsPubKey[addr]; ok {
return v, nil
}
//缓存没有,则从statedb获取
cfg := b.paraClient.GetAPI().GetConfig()
ret, err := b.paraClient.GetAPI().QueryChain(&types.ChainExecutor{
Driver: "paracross",
FuncName: "GetNodeAddrInfo",
Param: types.Encode(&pt.ReqParacrossNodeInfo{Title: cfg.GetTitle(), Addr: addr}),
})
if err != nil {
plog.Error("commitmsg.GetNodeAddrInfo ", "err", err.Error())
return nil, err
}
resp, ok := ret.(*pt.ParaNodeAddrIdStatus)
if !ok {
plog.Error("commitmsg.getNodeGroupAddrs rsp nok")
return nil, err
}
s, err := common.FromHex(resp.BlsPubKey)
if err != nil {
plog.Error("commitmsg.getNode pubkey nok", "pubkey", resp.BlsPubKey)
return nil, err
}
pubKey, err := b.cryptoCli.PubKeyFromBytes(s)
if err != nil {
plog.Error("verifyBlsSign.DeserializePublicKey", "key", addr)
return nil, err
}
plog.Info("getBlsPubKey", "addr", addr, "pub", resp.BlsPubKey, "serial", common.ToHex(pubKey.Bytes()))
b.peersBlsPubKey[addr] = pubKey
return pubKey, nil
}
func (b *blsClient) verifyBlsSign(addr string, commit *pt.ParacrossCommitAction) error {
//1. 获取对应公钥
pubKey, err := b.getBlsPubKey(addr)
if err != nil {
return errors.Wrapf(err, "pub key not exist to addr=%s", addr)
}
//2. 获取bls签名
sig, err := b.cryptoCli.SignatureFromBytes(commit.Bls.Sign)
if err != nil {
return errors.Wrapf(err, "DeserializeSignature key=%s", common.ToHex(commit.Bls.Sign))
}
//3. 获取签名前原始msg
msg := types.Encode(commit.Status)
//4. 验证bls 签名
if !pubKey.VerifyBytes(msg, sig) {
plog.Error("paracross.Commit bls sign verify", "title", commit.Status.Title, "height", commit.Status.Height,
"addrsMap", common.ToHex(commit.Bls.AddrsMap), "sign", common.ToHex(commit.Bls.Sign), "addr", addr)
plog.Error("paracross.commit bls sign verify", "data", common.ToHex(msg), "height", commit.Status.Height,
"pub", common.ToHex(pubKey.Bytes()))
return pt.ErrBlsSignVerify
}
return nil
}
func (b *blsClient) showTxBuffInfo() *pt.ParaBlsSignSumInfo {
var ret pt.ParaBlsSignSumInfo
reply, err := b.paraClient.SendFetchP2PTopic()
if err != nil {
plog.Error("fetch p2p topic", "err", err)
}
ret.Topics = append(ret.Topics, reply.Topics...)
var seq []int64
for k := range b.commitsPool {
seq = append(seq, k)
}
sort.Slice(seq, func(i, j int) bool { return seq[i] < seq[j] })
for _, s := range seq {
sum := b.commitsPool[s]
info := &pt.ParaBlsSignSumDetailsShow{Height: s}
for i, a := range sum.Addrs {
info.Addrs = append(info.Addrs, a)
info.Msgs = append(info.Msgs, common.ToHex(sum.Msgs[i]))
}
ret.Info = append(ret.Info, info)
}
return &ret
}