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multisigdb.go
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multisigdb.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 executor
import (
dbm "github.com/33cn/chain33/common/db"
"github.com/33cn/chain33/types"
mty "github.com/33cn/plugin/plugin/dapp/multisig/types"
)
// statedb相关接口
func getMultiSigAccFromDb(db dbm.KV, multiSigAddr string) (*mty.MultiSig, error) {
//首先从statedb中获取MultiSigAccAddr的状态信息
value, err := db.Get(calcMultiSigAccountKey(multiSigAddr))
if err != nil {
multisiglog.Error("getMultiSigAccFromDb", "MultiSigAccAddr", multiSigAddr, "err", err)
return nil, err
}
// 没有找到返回错误ErrNotFound
if len(value) == 0 || err == types.ErrNotFound {
return nil, types.ErrNotFound
}
var multiSigAccount mty.MultiSig
err = types.Decode(value, &multiSigAccount)
if err != nil {
multisiglog.Error("getMultiSigAccFromDb", "MultiSigAccAddr", multiSigAddr, "types.Decode err", err)
return nil, err
}
return &multiSigAccount, nil
}
func setMultiSigAccToDb(db dbm.KV, multiSigAcc *mty.MultiSig) ([]byte, []byte) {
key := calcMultiSigAccountKey(multiSigAcc.MultiSigAddr)
value := types.Encode(multiSigAcc)
//即时保存到db中,方便同一个区块的下一个交易使用
err := db.Set(key, value)
if err != nil {
multisiglog.Error("setMultiSigAccToDb", "multiSigAcc", multiSigAcc, "err", err)
}
return key, value
}
//获取db中指定多重签名地址上的txid对应的交易信息
func getMultiSigAccTxFromDb(db dbm.KV, multiSigAddr string, txid uint64) (*mty.MultiSigTx, error) {
//首先从statedb中获取MultiSigAccTx的状态信息
value, err := db.Get(calcMultiSigAccTxKey(multiSigAddr, txid))
if err != nil {
multisiglog.Error("getMultiSigAccTxFromDb", "MultiSigAccAddr", multiSigAddr, "err", err)
return nil, err
}
// 没有找到返回错误ErrNotFound
if len(value) == 0 || err == types.ErrNotFound {
return nil, types.ErrNotFound
}
var multiSigAccTx mty.MultiSigTx
err = types.Decode(value, &multiSigAccTx)
if err != nil {
multisiglog.Error("getMultiSigAccTxFromDb", "MultiSigAccAddr", multiSigAddr, "types.Decode err", err)
return nil, err
}
return &multiSigAccTx, nil
}
func setMultiSigAccTxToDb(db dbm.KV, multiSigTx *mty.MultiSigTx) ([]byte, []byte) {
key := calcMultiSigAccTxKey(multiSigTx.MultiSigAddr, multiSigTx.Txid)
value := types.Encode(multiSigTx)
err := db.Set(key, value)
if err != nil {
multisiglog.Error("setMultiSigAccTxToDb", "multiSigTx", multiSigTx, "err", err)
}
return key, value
}
// localdb相关接口
func getMultiSigAccCountKV(count int64) *types.KeyValue {
tempcount := &types.Int64{Data: count}
countbytes := types.Encode(tempcount)
kv := &types.KeyValue{Key: calcMultiSigAccCountKey(), Value: countbytes}
return kv
}
//获取创建的多重账户的数量
func getMultiSigAccCount(db dbm.KVDB) (int64, error) {
count := types.Int64{}
value, err := db.Get(calcMultiSigAccCountKey())
if err != nil && err != types.ErrNotFound {
return 0, err
}
if len(value) == 0 || err == types.ErrNotFound {
return 0, nil
}
err = types.Decode(value, &count)
if err != nil {
return 0, err
}
return count.Data, nil
}
//设置创建的多重账户的数量
func setMultiSigAccCount(db dbm.KVDB, count int64) error {
value := &types.Int64{Data: count}
valuebytes := types.Encode(value)
return db.Set(calcMultiSigAccCountKey(), valuebytes)
}
//更新多重签名账户计数
func updateMultiSigAccCount(cachedb dbm.KVDB, isadd bool) (*types.KeyValue, error) {
count, err := getMultiSigAccCount(cachedb)
if err != nil {
return nil, err
}
if isadd {
count++
} else {
if count == 0 {
return nil, mty.ErrAccCountNoMatch
}
count--
}
err = setMultiSigAccCount(cachedb, count)
if err != nil {
multisiglog.Error("updateMultiSigAccCount:setMultiSigAccCount ", "count", count, "err", err)
}
//keyvalue
return getMultiSigAccCountKV(count), nil
}
//获取多重账户信息通过key值
func getMultiSigAccount(db dbm.KVDB, addr string) (*mty.MultiSig, error) {
multiSigAcc := &mty.MultiSig{}
value, err := db.Get(calcMultiSigAcc(addr))
if err != nil && err != types.ErrNotFound {
return nil, err
}
//不存在返回一个ErrNotFound的错误,
if len(value) == 0 || err == types.ErrNotFound {
return nil, nil
}
err = types.Decode(value, multiSigAcc)
if err != nil {
return nil, err
}
return multiSigAcc, nil
}
//设置多重签名账户信息到db中通过key值,
func setMultiSigAccount(db dbm.KVDB, multiSig *mty.MultiSig, isadd bool) error {
valuebytes := types.Encode(multiSig)
if isadd {
return db.Set(calcMultiSigAcc(multiSig.MultiSigAddr), valuebytes)
}
return db.Set(calcMultiSigAcc(multiSig.MultiSigAddr), nil)
}
//获取多重签名账户的kv对
func getMultiSigAccountKV(multiSig *mty.MultiSig, isadd bool) *types.KeyValue {
accountbytes := types.Encode(multiSig)
var kv *types.KeyValue
if isadd {
kv = &types.KeyValue{Key: calcMultiSigAcc(multiSig.MultiSigAddr), Value: accountbytes}
} else {
kv = &types.KeyValue{Key: calcMultiSigAcc(multiSig.MultiSigAddr), Value: nil}
}
return kv
}
//更新多重签名账户列表
func updateMultiSigAccList(db dbm.KVDB, addr string, index int64, isadd bool) (*types.KeyValue, error) {
oldaddr, err := getMultiSigAccList(db, index)
if err != nil {
return nil, err
}
if isadd && oldaddr != "" { //新增
multisiglog.Error("UpdateMultiSigAccList:getMultiSigAccList", "addr", addr, "oldaddr", oldaddr, "index", index, "err", err)
return nil, mty.ErrAccCountNoMatch
} else if !isadd && oldaddr == "" { // 删除
multisiglog.Error("UpdateMultiSigAccList:getMultiSigAccList", "addr", addr, "index", index, "err", err)
return nil, mty.ErrAccCountNoMatch
}
if isadd { //新增
err = db.Set(calcMultiSigAllAcc(index), []byte(addr))
if err != nil {
multisiglog.Error("UpdateMultiSigAccList add", "addr", addr, "index", index, "err", err)
}
kv := &types.KeyValue{Key: calcMultiSigAllAcc(index), Value: []byte(addr)}
return kv, nil
}
// 删除
err = db.Set(calcMultiSigAllAcc(index), nil)
if err != nil {
multisiglog.Error("UpdateMultiSigAccList del", "addr", addr, "index", index, "err", err)
}
kv := &types.KeyValue{Key: calcMultiSigAllAcc(index), Value: nil}
return kv, nil
}
func getMultiSigAccList(db dbm.KVDB, index int64) (string, error) {
value, err := db.Get(calcMultiSigAllAcc(index))
if err != nil && err != types.ErrNotFound {
return "", err
}
if len(value) == 0 || err == types.ErrNotFound {
return "", nil
}
return string(value), nil
}
//MultiSigTx:
//获取多重签名账户的交易信息
func getMultiSigTx(db dbm.KVDB, addr string, txid uint64) (*mty.MultiSigTx, error) {
multiSigTx := &mty.MultiSigTx{}
value, err := db.Get(calcMultiSigAccTx(addr, txid))
if err != nil && err != types.ErrNotFound {
return nil, err
}
//不存在返回nil
if len(value) == 0 || err == types.ErrNotFound {
return nil, nil
}
err = types.Decode(value, multiSigTx)
if err != nil {
return nil, err
}
return multiSigTx, nil
}
//设置多重签名账户交易信息到db中通过key值, 交易添加和回滚删除
func setMultiSigTx(db dbm.KVDB, multiSigTx *mty.MultiSigTx, isadd bool) error {
valuebytes := types.Encode(multiSigTx)
if isadd {
return db.Set(calcMultiSigAccTx(multiSigTx.MultiSigAddr, multiSigTx.Txid), valuebytes)
}
return db.Set(calcMultiSigAccTx(multiSigTx.MultiSigAddr, multiSigTx.Txid), nil)
}
//获取多重签名账户交易的kv对
func getMultiSigTxKV(multiSigTx *mty.MultiSigTx, isadd bool) *types.KeyValue {
accountbytes := types.Encode(multiSigTx)
var kv *types.KeyValue
if isadd {
kv = &types.KeyValue{Key: calcMultiSigAccTx(multiSigTx.MultiSigAddr, multiSigTx.Txid), Value: accountbytes}
} else {
kv = &types.KeyValue{Key: calcMultiSigAccTx(multiSigTx.MultiSigAddr, multiSigTx.Txid), Value: nil}
}
return kv
}
// 账户余额的更新,记录收到的币就可以
func updateAddrReciver(cachedb dbm.KVDB, addr, execname, symbol string, amount int64, isadd bool) (*types.KeyValue, error) {
recv, err := getAddrReciver(cachedb, addr, execname, symbol)
if err != nil && err != types.ErrNotFound {
return nil, err
}
if isadd {
recv += amount
} else {
recv -= amount
}
err = setAddrReciver(cachedb, addr, execname, symbol, recv)
if err != nil {
multisiglog.Error("updateAddrReciver setAddrReciver", "addr", addr, "execname", execname, "symbol", symbol, "err", err)
}
//keyvalue
return getAddrReciverKV(addr, execname, symbol, recv), nil
}
func getAddrReciverKV(addr, execname, symbol string, reciverAmount int64) *types.KeyValue {
assets := &mty.Assets{
Execer: execname,
Symbol: symbol,
}
reciver := &mty.AccountAssets{
MultiSigAddr: addr,
Assets: assets,
Amount: reciverAmount,
}
amountbytes := types.Encode(reciver)
kv := &types.KeyValue{Key: calcAddrRecvAmountKey(addr, execname, symbol), Value: amountbytes}
return kv
}
func getAddrReciver(db dbm.KVDB, addr, execname, symbol string) (int64, error) {
reciver := mty.AccountAssets{}
addrReciver, err := db.Get(calcAddrRecvAmountKey(addr, execname, symbol))
if err != nil && err != types.ErrNotFound {
return 0, err
}
if len(addrReciver) == 0 {
return 0, nil
}
err = types.Decode(addrReciver, &reciver)
if err != nil {
return 0, err
}
return reciver.Amount, nil
}
func setAddrReciver(db dbm.KVDB, addr, execname, symbol string, reciverAmount int64) error {
kv := getAddrReciverKV(addr, execname, symbol, reciverAmount)
return db.Set(kv.Key, kv.Value)
}
//MultiSigAccAddress:
//获取指定地址创建的所有MultiSigAddress
func getMultiSigAddress(db dbm.KVDB, createAddr string) (*mty.AccAddress, error) {
address := &mty.AccAddress{}
value, err := db.Get(calcMultiSigAccCreateAddr(createAddr))
if err != nil && err != types.ErrNotFound {
return nil, err
}
//不存在返回nil
if len(value) == 0 || err == types.ErrNotFound {
return address, nil
}
err = types.Decode(value, address)
if err != nil {
return nil, err
}
return address, nil
}
//需要处理交易添加和回滚删除
func setMultiSigAddress(db dbm.KVDB, createAddr, multiSigAddr string, isadd bool) *types.KeyValue {
accAddress, err := getMultiSigAddress(db, createAddr)
if err != nil {
return nil
}
var found = false
var foundindex int
for index, addr := range accAddress.Address {
if multiSigAddr == addr {
found = true
foundindex = index
break
}
}
if isadd && !found {
accAddress.Address = append(accAddress.Address, multiSigAddr)
} else if !isadd && found {
accAddress.Address = append(accAddress.Address[0:foundindex], accAddress.Address[foundindex+1:]...)
}
key := calcMultiSigAccCreateAddr(createAddr)
value := types.Encode(accAddress)
err = db.Set(key, value)
if err != nil {
multisiglog.Error("setMultiSigAddress", "key", string(key), "err", err)
}
return &types.KeyValue{Key: key, Value: value}
}
//获取指定地址创建的所有MultiSigAddress
func getMultiSigAccAllAddress(db dbm.KVDB, createAddr string) (*mty.AccAddress, error) {
address := &mty.AccAddress{}
value, err := db.Get(calcMultiSigAccCreateAddr(createAddr))
if err != nil && err != types.ErrNotFound {
return nil, err
}
//不存在返回nil
if len(value) == 0 || err == types.ErrNotFound {
return address, nil
}
err = types.Decode(value, address)
if err != nil {
return nil, err
}
return address, nil
}
//获取指定账户地址上接受的所有资产
func getMultiSigAccAllAssets(db dbm.KVDB, addr string) ([][]byte, error) {
values, err := db.List(calcAddrRecvAmountPrefix(addr), nil, 0, 0)
if err != nil && err != types.ErrNotFound {
return nil, err
}
return values, nil
}