/
action.go
227 lines (190 loc) · 6.84 KB
/
action.go
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package executor
import (
"encoding/hex"
"github.com/33cn/chain33/system/dapp"
dbm "github.com/33cn/chain33/common/db"
"github.com/33cn/chain33/types"
vty "github.com/33cn/plugin/plugin/dapp/vote/types"
)
type action struct {
db dbm.KV
txHash []byte
fromAddr string
blockTime int64
height int64
index int
}
func newAction(v *vote, tx *types.Transaction, index int) *action {
return &action{db: v.GetStateDB(),
txHash: tx.Hash(),
fromAddr: tx.From(),
blockTime: v.GetBlockTime(),
height: v.GetHeight(),
index: index}
}
func (a *action) getGroupInfo(groupID string) (*vty.GroupInfo, error) {
info := &vty.GroupInfo{}
err := readStateDB(a.db, formatStateIDKey(groupID), info)
if err == types.ErrNotFound {
err = errGroupNotExist
}
return info, err
}
func (a *action) getVoteInfo(voteID string) (*vty.VoteInfo, error) {
info := &vty.VoteInfo{}
err := readStateDB(a.db, formatStateIDKey(voteID), info)
if err == types.ErrNotFound {
err = errVoteNotExist
}
return info, err
}
func (a *action) createGroup(create *vty.CreateGroup) (*types.Receipt, error) {
receipt := &types.Receipt{Ty: types.ExecOk}
group := &vty.GroupInfo{}
group.Name = create.Name
group.ID = formatGroupID(dapp.HeightIndexStr(a.height, int64(a.index)))
//添加创建者作为默认管理员
group.Admins = append(group.Admins, a.fromAddr)
for _, addr := range create.GetAdmins() {
if addr != a.fromAddr {
group.Admins = append(group.Admins, addr)
}
}
group.Members = create.Members
// set default vote weight
for _, member := range group.Members {
if member.VoteWeight < 1 {
member.VoteWeight = 1
}
}
group.MemberNum = uint32(len(group.Members))
group.Creator = a.fromAddr
group.Description = create.GetDescription()
groupValue := types.Encode(group)
receipt.KV = append(receipt.KV, &types.KeyValue{Key: formatStateIDKey(group.ID), Value: groupValue})
receipt.Logs = append(receipt.Logs, &types.ReceiptLog{Ty: vty.TyCreateGroupLog, Log: groupValue})
return receipt, nil
}
func (a *action) updateGroup(update *vty.UpdateGroup) (*types.Receipt, error) {
receipt := &types.Receipt{Ty: types.ExecOk}
group, err := a.getGroupInfo(update.GroupID)
if err != nil {
elog.Error("vote exec updateGroup", "txHash", a.txHash, "err", err)
return nil, errStateDBGet
}
addrMap := make(map[string]int)
for index, member := range group.Members {
addrMap[member.Addr] = index
}
// remove members
for _, addr := range update.GetRemoveMembers() {
if index, ok := addrMap[addr]; ok {
group.Members = append(group.Members[:index], group.Members[index+1:]...)
delete(addrMap, addr)
}
}
// add members
for _, member := range update.GetAddMembers() {
if _, ok := addrMap[member.Addr]; !ok {
group.Members = append(group.Members, member)
}
}
group.MemberNum = uint32(len(group.Members))
adminMap := make(map[string]int)
for index, addr := range group.Admins {
adminMap[addr] = index
}
// remove admins
for _, addr := range update.GetRemoveAdmins() {
if index, ok := adminMap[addr]; ok {
group.Admins = append(group.Admins[:index], group.Admins[index+1:]...)
delete(adminMap, addr)
}
}
// add admins
for _, addr := range update.GetAddAdmins() {
if _, ok := adminMap[addr]; !ok {
group.Admins = append(group.Admins, addr)
}
}
groupValue := types.Encode(group)
receipt.KV = append(receipt.KV, &types.KeyValue{Key: formatStateIDKey(group.ID), Value: groupValue})
receipt.Logs = append(receipt.Logs, &types.ReceiptLog{Ty: vty.TyUpdateGroupLog, Log: groupValue})
return receipt, nil
}
func (a *action) createVote(create *vty.CreateVote) (*types.Receipt, error) {
receipt := &types.Receipt{Ty: types.ExecOk}
vote := &vty.VoteInfo{}
vote.ID = formatVoteID(dapp.HeightIndexStr(a.height, int64(a.index)))
vote.BeginTimestamp = create.BeginTimestamp
vote.EndTimestamp = create.EndTimestamp
vote.Name = create.Name
vote.GroupID = create.GroupID
vote.Description = create.Description
vote.Creator = a.fromAddr
vote.VoteOptions = make([]*vty.VoteOption, 0)
for _, option := range create.VoteOptions {
vote.VoteOptions = append(vote.VoteOptions, &vty.VoteOption{Option: option})
}
voteValue := types.Encode(vote)
receipt.KV = append(receipt.KV, &types.KeyValue{Key: formatStateIDKey(vote.ID), Value: voteValue})
receipt.Logs = append(receipt.Logs, &types.ReceiptLog{Ty: vty.TyCreateVoteLog, Log: voteValue})
return receipt, nil
}
func (a *action) commitVote(commit *vty.CommitVote) (*types.Receipt, error) {
receipt := &types.Receipt{Ty: types.ExecOk}
vote, err := a.getVoteInfo(commit.VoteID)
if err != nil {
elog.Error("vote exec commitVote", "txHash", a.txHash, "vid", commit.VoteID, "get vote err", err)
return nil, errStateDBGet
}
// 由于目前底层检测交易阶段提供区块时间可能不是最新区块的,依赖区块时间的比较需要放在执行阶段处理
if vote.BeginTimestamp > a.blockTime {
elog.Error("vote exec commitVote", "txHash", a.txHash, "vid", commit.VoteID,
"beginTime", vote.BeginTimestamp, "blockTime", a.blockTime, "err", errVoteNotStarted)
return nil, errVoteNotStarted
}
if vote.EndTimestamp <= a.blockTime {
elog.Error("vote exec commitVote", "txHash", a.txHash, "vid", commit.VoteID,
"endTime", vote.EndTimestamp, "blockTime", a.blockTime, "err", errVoteAlreadyFinished)
return nil, errVoteAlreadyFinished
}
group, err := a.getGroupInfo(vote.GroupID)
if err != nil {
elog.Error("vote exec commitVote", "txHash", a.txHash, "get group err", err)
return nil, errStateDBGet
}
var voteWeight uint32
for _, member := range group.Members {
if member.Addr == a.fromAddr {
voteWeight = member.VoteWeight
}
}
vote.VoteOptions[commit.OptionIndex].Score += voteWeight
info := &vty.CommitInfo{Addr: a.fromAddr}
vote.CommitInfos = append(vote.CommitInfos, info)
voteValue := types.Encode(vote)
//提交的哈希和权重等信息不记录到statedb中
info.VoteWeight = voteWeight
info.TxHash = hex.EncodeToString(a.txHash)
receipt.KV = append(receipt.KV, &types.KeyValue{Key: formatStateIDKey(vote.ID), Value: voteValue})
receipt.Logs = append(receipt.Logs, &types.ReceiptLog{Ty: vty.TyCommitVoteLog, Log: types.Encode(info)})
return receipt, nil
}
func (a *action) closeVote(close *vty.CloseVote) (*types.Receipt, error) {
receipt := &types.Receipt{Ty: types.ExecOk}
vote, err := a.getVoteInfo(close.VoteID)
if err != nil {
elog.Error("vote exec commitVote", "txHash", a.txHash, "get vote err", err)
return nil, errStateDBGet
}
vote.Status = voteStatusClosed
voteValue := types.Encode(vote)
receipt.KV = append(receipt.KV, &types.KeyValue{Key: formatStateIDKey(vote.ID), Value: voteValue})
receipt.Logs = append(receipt.Logs, &types.ReceiptLog{Ty: vty.TyCloseVoteLog, Log: voteValue})
return receipt, nil
}
func (a *action) updateMember(update *vty.UpdateMember) (*types.Receipt, error) {
receipt := &types.Receipt{Ty: types.ExecOk}
return receipt, nil
}