/
multisig.go
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/
multisig.go
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// Copyright Fuzamei Corp. 2018 All Rights Reserved.
// Use of policy source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package wallet
import (
"sync"
"github.com/33cn/chain33/common/crypto"
"github.com/33cn/chain33/common/db"
"github.com/33cn/chain33/common/log/log15"
"github.com/33cn/chain33/types"
wcom "github.com/33cn/chain33/wallet/common"
mtypes "github.com/33cn/plugin/plugin/dapp/multisig/types"
)
var (
bizlog = log15.New("module", "wallet.multisig")
)
func init() {
wcom.RegisterPolicy(mtypes.MultiSigX, New())
}
// New 创建一个钱包业务策略
func New() wcom.WalletBizPolicy {
return &multisigPolicy{
mtx: &sync.Mutex{},
rescanwg: &sync.WaitGroup{},
}
}
type multisigPolicy struct {
mtx *sync.Mutex
store *multisigStore
walletOperate wcom.WalletOperate
rescanwg *sync.WaitGroup
cfg *subConfig
}
type subConfig struct {
RescanMultisigAddr bool `json:"rescanMultisigAddr"`
}
func (policy *multisigPolicy) setWalletOperate(walletBiz wcom.WalletOperate) {
policy.mtx.Lock()
defer policy.mtx.Unlock()
policy.walletOperate = walletBiz
}
func (policy *multisigPolicy) getWalletOperate() wcom.WalletOperate {
policy.mtx.Lock()
defer policy.mtx.Unlock()
return policy.walletOperate
}
func (policy *multisigPolicy) getRescanMultisigAddr() bool {
policy.mtx.Lock()
defer policy.mtx.Unlock()
return policy.cfg.RescanMultisigAddr
}
// Init 初始化处理
func (policy *multisigPolicy) Init(walletOperate wcom.WalletOperate, sub []byte) {
policy.setWalletOperate(walletOperate)
policy.store = newStore(walletOperate.GetDBStore())
var subcfg subConfig
if sub != nil {
types.MustDecode(sub, &subcfg)
}
policy.cfg = &subcfg
}
// OnCreateNewAccount 创建账户时需要扫描此账户拥有的多重签名账户信息
func (policy *multisigPolicy) OnCreateNewAccount(acc *types.Account) {
if policy.getRescanMultisigAddr() {
policy.rescanwg.Add(1)
go policy.rescanOwnerAttrByAddr(acc.Addr)
}
}
// OnImportPrivateKey 在私钥导入时需要扫描此账户拥有的多重签名账户信息
func (policy *multisigPolicy) OnImportPrivateKey(acc *types.Account) {
if policy.getRescanMultisigAddr() {
policy.rescanwg.Add(1)
go policy.rescanOwnerAttrByAddr(acc.Addr)
}
}
// OnAddBlockTx 响应区块交易添加的处理
func (policy *multisigPolicy) OnAddBlockTx(block *types.BlockDetail, tx *types.Transaction, index int32, dbbatch db.Batch) *types.WalletTxDetail {
policy.filterMultisigTxsFromBlock(tx, index, block, dbbatch, true)
return policy.proceWalletTxDetail(block, tx, index)
}
// OnDeleteBlockTx 响应删除区块交易的处理
func (policy *multisigPolicy) OnDeleteBlockTx(block *types.BlockDetail, tx *types.Transaction, index int32, dbbatch db.Batch) *types.WalletTxDetail {
policy.filterMultisigTxsFromBlock(tx, index, block, dbbatch, false)
return policy.proceWalletTxDetail(block, tx, index)
}
// OnAddBlockFinish 在区块被添加成功时做一些处理
func (policy *multisigPolicy) OnAddBlockFinish(block *types.BlockDetail) {
}
// OnDeleteBlockFinish 在区块被删除成功时做一些处理
func (policy *multisigPolicy) OnDeleteBlockFinish(block *types.BlockDetail) {
}
// OnClose 在钱包关闭时做一些处理
func (policy *multisigPolicy) OnClose() {
}
// OnSetQueueClient 在钱包消息队列初始化时做一些处理
func (policy *multisigPolicy) OnSetQueueClient() {
}
// OnWalletLocked 在钱包加锁时做一些处理
func (policy *multisigPolicy) OnWalletLocked() {
}
// OnWalletUnlocked 在钱包解锁时做一些处理
func (policy *multisigPolicy) OnWalletUnlocked(WalletUnLock *types.WalletUnLock) {
}
// Call 调用隐私的方法
func (policy *multisigPolicy) Call(funName string, in types.Message) (ret types.Message, err error) {
err = types.ErrNotSupport
return
}
// SignTransaction :
func (policy *multisigPolicy) SignTransaction(key crypto.PrivKey, req *types.ReqSignRawTx) (needSysSign bool, signtxhex string, err error) {
needSysSign = true
return
}
func (policy *multisigPolicy) filterMultisigTxsFromBlock(tx *types.Transaction, index int32, block *types.BlockDetail, newbatch db.Batch, addOrRollback bool) {
receiptData := block.Receipts[index]
if receiptData.GetTy() != types.ExecOk {
return
}
for _, log := range receiptData.Logs {
bizlog.Debug("filterMultisigTxsFromBlock", "Ty", log.Ty)
switch log.Ty {
case mtypes.TyLogMultiSigAccCreate:
{
var receipt mtypes.MultiSig
err := types.Decode(log.Log, &receipt)
if err != nil {
bizlog.Error("filterMultisigTxsFromBlock Decode err", "Ty", log.Ty, "err", err)
return
}
policy.saveMultiSigAccCreate(&receipt, newbatch, addOrRollback)
}
case mtypes.TyLogMultiSigOwnerAdd,
mtypes.TyLogMultiSigOwnerDel:
{
var receipt mtypes.ReceiptOwnerAddOrDel
err := types.Decode(log.Log, &receipt)
if err != nil {
bizlog.Error("filterMultisigTxsFromBlock Decode err", "Ty", log.Ty, "err", err)
return
}
policy.saveMultiSigOwnerAddOrDel(&receipt, newbatch, addOrRollback)
}
case mtypes.TyLogMultiSigOwnerModify,
mtypes.TyLogMultiSigOwnerReplace:
{
var receipt mtypes.ReceiptOwnerModOrRep
err := types.Decode(log.Log, &receipt)
if err != nil {
bizlog.Error("filterMultisigTxsFromBlock Decode err", "Ty", log.Ty, "err", err)
return
}
policy.saveMultiSigOwnerModOrRep(&receipt, newbatch, addOrRollback)
}
default:
continue
}
}
}
//需要区分执行的是add/Rollback
func (policy *multisigPolicy) saveMultiSigAccCreate(multiSig *mtypes.MultiSig, newbatch db.Batch, addOrRollback bool) {
wallet := policy.getWalletOperate()
for _, owner := range multiSig.Owners {
if wallet.AddrInWallet(owner.OwnerAddr) {
ownerAttrs, err := policy.store.listOwnerAttrsByAddr(owner.OwnerAddr)
if err != nil && err != types.ErrNotFound {
bizlog.Error("saveMultiSigAccCreate ", "owner.OwnerAddr", owner.OwnerAddr, "err", err)
continue
}
//add tx
if addOrRollback {
ownerAttr := &mtypes.OwnerAttr{
MultiSigAddr: multiSig.MultiSigAddr,
OwnerAddr: owner.OwnerAddr,
Weight: owner.Weight,
}
//第一次添加owner
if err == types.ErrNotFound {
AddOwnerAttr(true, nil, ownerAttr, newbatch)
} else if ownerAttrs != nil {
AddOwnerAttr(false, ownerAttrs, ownerAttr, newbatch)
}
} else if ownerAttrs != nil && !addOrRollback {
DelOwnerAttr(ownerAttrs, owner.OwnerAddr, multiSig.MultiSigAddr, newbatch)
}
}
}
}
//账户owner的add/del操作.需要区分add/del 交易
func (policy *multisigPolicy) saveMultiSigOwnerAddOrDel(ownerOp *mtypes.ReceiptOwnerAddOrDel, newbatch db.Batch, addOrRollback bool) {
wallet := policy.getWalletOperate()
owner := ownerOp.Owner
if wallet.AddrInWallet(owner.OwnerAddr) {
ownerAttrs, err := policy.store.listOwnerAttrsByAddr(owner.OwnerAddr)
if err != nil && err != types.ErrNotFound {
bizlog.Error("saveMultiSigOwnerAddOrDel ", "owner.OwnerAddr", owner.OwnerAddr, "err", err)
return
}
ownerAttr := &mtypes.OwnerAttr{
MultiSigAddr: ownerOp.MultiSigAddr,
OwnerAddr: owner.OwnerAddr,
Weight: owner.Weight,
}
//add tx
if addOrRollback {
if ownerOp.AddOrDel {
if err == types.ErrNotFound {
AddOwnerAttr(true, nil, ownerAttr, newbatch)
} else {
AddOwnerAttr(false, ownerAttrs, ownerAttr, newbatch)
}
} else if ownerAttrs != nil {
DelOwnerAttr(ownerAttrs, owner.OwnerAddr, ownerOp.MultiSigAddr, newbatch)
}
} else {
//回滚add owner
if ownerOp.AddOrDel && ownerAttrs != nil {
DelOwnerAttr(ownerAttrs, owner.OwnerAddr, ownerOp.MultiSigAddr, newbatch)
} else if !ownerOp.AddOrDel { //回滚 del owner
if err == types.ErrNotFound {
AddOwnerAttr(true, nil, ownerAttr, newbatch)
} else if ownerAttrs != nil {
AddOwnerAttr(false, ownerAttrs, ownerAttr, newbatch)
}
}
}
}
}
//账户owner的mod/replace操作
func (policy *multisigPolicy) saveMultiSigOwnerModOrRep(ownerOp *mtypes.ReceiptOwnerModOrRep, newbatch db.Batch, addOrRollback bool) {
wallet := policy.getWalletOperate()
prevOwner := ownerOp.PrevOwner
curOwner := ownerOp.CurrentOwner
multiSigAddr := ownerOp.MultiSigAddr
//首先处理prevOwner
if wallet.AddrInWallet(prevOwner.OwnerAddr) {
ownerAttrs, err := policy.store.listOwnerAttrsByAddr(prevOwner.OwnerAddr)
if err != nil && err != types.ErrNotFound {
bizlog.Error("saveMultiSigOwnerModOrRep ", "prevOwner.OwnerAddr", prevOwner.OwnerAddr, "err", err)
return
}
ownerAttr := &mtypes.OwnerAttr{
MultiSigAddr: multiSigAddr,
OwnerAddr: prevOwner.OwnerAddr,
Weight: prevOwner.Weight,
}
//add tx
if addOrRollback && ownerAttrs != nil {
if ownerOp.ModOrRep {
ModOwnerAttr(ownerAttrs, prevOwner.OwnerAddr, multiSigAddr, curOwner.Weight, newbatch)
} else {
DelOwnerAttr(ownerAttrs, prevOwner.OwnerAddr, multiSigAddr, newbatch)
}
} else if !addOrRollback { //交易Rollback的处理
if ownerOp.ModOrRep && ownerAttrs != nil {
ModOwnerAttr(ownerAttrs, prevOwner.OwnerAddr, multiSigAddr, prevOwner.Weight, newbatch)
} else {
if err == types.ErrNotFound {
AddOwnerAttr(true, nil, ownerAttr, newbatch)
} else if ownerAttrs != nil {
AddOwnerAttr(false, ownerAttrs, ownerAttr, newbatch)
}
}
}
}
//接着处理curOwner,replace时的情况
if wallet.AddrInWallet(curOwner.OwnerAddr) && !ownerOp.ModOrRep {
ownerAttrs, err := policy.store.listOwnerAttrsByAddr(curOwner.OwnerAddr)
if err != nil && err != types.ErrNotFound {
bizlog.Error("saveMultiSigOwnerModOrRep ", "curOwner.OwnerAddr", curOwner.OwnerAddr, "err", err)
return
}
ownerAttr := &mtypes.OwnerAttr{
MultiSigAddr: multiSigAddr,
OwnerAddr: curOwner.OwnerAddr,
Weight: curOwner.Weight,
}
if addOrRollback {
if err == types.ErrNotFound {
AddOwnerAttr(true, nil, ownerAttr, newbatch)
} else if ownerAttrs != nil {
AddOwnerAttr(false, ownerAttrs, ownerAttr, newbatch)
}
} else if ownerAttrs != nil {
DelOwnerAttr(ownerAttrs, curOwner.OwnerAddr, multiSigAddr, newbatch)
}
}
}
//AddOwnerAttr : 添加owmer属性
func AddOwnerAttr(firstAdd bool, ownerAttrs *mtypes.OwnerAttrs, ownerAttr *mtypes.OwnerAttr, newbatch db.Batch) {
if firstAdd {
var firstownerAttrs mtypes.OwnerAttrs
addOwnerAttr(&firstownerAttrs, ownerAttr)
batchSet(&firstownerAttrs, ownerAttr.OwnerAddr, newbatch)
return
}
addOwnerAttr(ownerAttrs, ownerAttr)
batchSet(ownerAttrs, ownerAttr.OwnerAddr, newbatch)
}
//DelOwnerAttr :删除owner属性
func DelOwnerAttr(ownerAttrs *mtypes.OwnerAttrs, ownerAddr string, multiSigAddr string, newbatch db.Batch) {
index, find := getOwnerAttr(ownerAttrs, multiSigAddr)
if find {
//删除最后一个需要将value值设置成空
if len(ownerAttrs.Items) == 1 && index == 0 {
newbatch.Delete(calcMultisigAddr(ownerAddr))
} else {
ownerAttrs = delOwnerAttr(ownerAttrs, index)
batchSet(ownerAttrs, ownerAddr, newbatch)
}
}
}
//ModOwnerAttr :修改owner weight属性
func ModOwnerAttr(ownerAttrs *mtypes.OwnerAttrs, ownerAddr string, multiSigAddr string, weight uint64, newbatch db.Batch) {
index, find := getOwnerAttr(ownerAttrs, multiSigAddr)
if find {
ownerAttrs.Items[index].Weight = weight
batchSet(ownerAttrs, ownerAddr, newbatch)
}
}
//batchSet :
func batchSet(ownerAttrs *mtypes.OwnerAttrs, addr string, newbatch db.Batch) {
v := *ownerAttrs
ownerAttrsbyte := types.Encode(&v)
newbatch.Set(calcMultisigAddr(addr), ownerAttrsbyte)
}
//delOwnerAttr :
func delOwnerAttr(ownerAttrs *mtypes.OwnerAttrs, index int) *mtypes.OwnerAttrs {
ownerSize := len(ownerAttrs.Items)
//删除第一个owner
if index == 0 {
ownerAttrs.Items = ownerAttrs.Items[1:]
} else if (ownerSize) == index+1 { //删除最后一个owner
ownerAttrs.Items = ownerAttrs.Items[0 : ownerSize-1]
} else {
ownerAttrs.Items = append(ownerAttrs.Items[0:index], ownerAttrs.Items[index+1:]...)
}
return ownerAttrs
}
//addOwnerAttr :
func addOwnerAttr(ownerAttrs *mtypes.OwnerAttrs, ownerAttr *mtypes.OwnerAttr) *mtypes.OwnerAttrs {
ownerAttrs.Items = append(ownerAttrs.Items, ownerAttr)
return ownerAttrs
}
// getOwnerAttr :
func getOwnerAttr(ownerAttrs *mtypes.OwnerAttrs, multiSigAddr string) (int, bool) {
for index, owner := range ownerAttrs.Items {
if owner.MultiSigAddr == multiSigAddr {
return index, true
}
}
return 0, false
}
// 创建账户或者导入私钥时,从blockchain模块遍历所有多重签名地址,过滤出此地址拥有的多重签名账户
func (policy *multisigPolicy) rescanOwnerAttrByAddr(addr string) {
beg := types.Now()
defer func() {
bizlog.Info("rescanOwnerAttrByAddr", "addr", addr, "cost", types.Since(beg))
}()
defer policy.rescanwg.Done()
if len(addr) == 0 {
bizlog.Error("rescanOwnerAttrByAddr input addr is nil!")
return
}
operater := policy.getWalletOperate()
cfg := policy.getWalletOperate().GetAPI().GetConfig()
//获取全网中多重签名账户数量
msg, err := operater.GetAPI().Query(cfg.ExecName(mtypes.MultiSigX), "MultiSigAccCount", &types.ReqNil{})
if err != nil {
bizlog.Error("rescanOwnerAttrByAddr Query MultiSigAccCount err", "MultiSigX", mtypes.MultiSigX, "addr", addr, "err", err)
return
}
replay := msg.(*types.Int64)
if replay == nil {
bizlog.Error("rescanOwnerAttrByAddr Query MultiSigAccCount is nil")
return
}
totalCount := replay.Data
bizlog.Info("rescanOwnerAttrByAddr MultiSigAccCount ", "totalCount", totalCount, "addr", addr)
if totalCount <= 0 {
return
}
var curCount int64
for {
var req mtypes.ReqMultiSigAccs
if totalCount <= MaxCountPerTime || (curCount+MaxCountPerTime) >= totalCount {
req.Start = curCount
req.End = totalCount - 1
curCount = req.End
} else if curCount+MaxCountPerTime < totalCount {
req.Start = curCount
req.End = req.Start + MaxCountPerTime
curCount = req.End
}
msg, err := operater.GetAPI().Query(cfg.ExecName(mtypes.MultiSigX), "MultiSigAccounts", &req)
if err != nil {
bizlog.Error("rescanOwnerAttrByAddr", "MultiSigAccounts error", err, "addr", addr)
return
}
replay := msg.(*mtypes.ReplyMultiSigAccs)
if replay == nil {
bizlog.Error("rescanOwnerAttrByAddr Query MultiSigAccounts is nil")
return
}
policy.proceMultiSigAcc(replay, addr)
if curCount >= totalCount-1 {
return
}
curCount = curCount + 1
}
}
func (policy *multisigPolicy) proceMultiSigAcc(multiSigAccs *mtypes.ReplyMultiSigAccs, owneraddr string) {
operater := policy.getWalletOperate()
cfg := policy.getWalletOperate().GetAPI().GetConfig()
for _, multiSigaddr := range multiSigAccs.Address {
req := mtypes.ReqMultiSigAccInfo{
MultiSigAccAddr: multiSigaddr,
}
msg, err := operater.GetAPI().Query(cfg.ExecName(mtypes.MultiSigX), "MultiSigAccountInfo", &req)
if err != nil {
bizlog.Error("ProceMultiSigAcc", "MultiSigAccountInfo error", err, "multiSigaddr", multiSigaddr)
continue
}
replay := msg.(*mtypes.MultiSig)
if replay == nil {
bizlog.Error("ProceMultiSigAcc Query MultiSigAccountInfo is nil", "multiSigaddr", multiSigaddr)
continue
}
for _, owner := range replay.Owners {
if owner.OwnerAddr == owneraddr {
ownerAttrs, err := policy.store.listOwnerAttrsByAddr(owneraddr)
if err != nil && err != types.ErrNotFound {
bizlog.Error("ProceMultiSigAcc ", "owneraddr", owneraddr, "err", err)
break
}
ownerAttr := &mtypes.OwnerAttr{
MultiSigAddr: multiSigaddr,
OwnerAddr: owner.OwnerAddr,
Weight: owner.Weight,
}
newbatch := policy.store.NewBatch(true)
if err == types.ErrNotFound {
AddOwnerAttr(true, nil, ownerAttr, newbatch)
} else if ownerAttrs != nil {
AddOwnerAttr(false, ownerAttrs, ownerAttr, newbatch)
}
err = newbatch.Write()
if err != nil {
bizlog.Error("ProceMultiSigAcc Write", "owneraddr", owneraddr, "err", err)
}
break
}
}
}
}
func (policy *multisigPolicy) proceWalletTxDetail(block *types.BlockDetail, tx *types.Transaction, index int32) *types.WalletTxDetail {
receipt := block.Receipts[index]
amount, err := tx.Amount()
if err != nil {
bizlog.Error("proceWalletTxDetail:tx.Amount()", "err", err)
}
wtxdetail := &types.WalletTxDetail{
Tx: tx,
Height: block.Block.Height,
Index: int64(index),
Receipt: receipt,
Blocktime: block.Block.BlockTime,
ActionName: tx.ActionName(),
Amount: amount,
Payload: nil,
}
if len(wtxdetail.Fromaddr) <= 0 {
//from addr
fromaddress := tx.From()
if len(fromaddress) != 0 && policy.walletOperate.AddrInWallet(fromaddress) {
wtxdetail.Fromaddr = fromaddress
}
}
if len(wtxdetail.Fromaddr) <= 0 {
toaddr := tx.GetTo()
if len(toaddr) != 0 && policy.walletOperate.AddrInWallet(toaddr) {
wtxdetail.Fromaddr = toaddr
}
}
return wtxdetail
}