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exec_local.go
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exec_local.go
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package executor
import (
"encoding/hex"
"github.com/33cn/chain33/common/db"
"github.com/33cn/chain33/system/dapp"
"github.com/33cn/chain33/types"
evmxgotypes "github.com/33cn/plugin/plugin/dapp/evmxgo/types"
"github.com/jinzhu/copier"
)
/*
* 实现交易相关数据本地执行,数据不上链
* 非关键数据,本地存储(localDB), 用于辅助查询,效率高
*/
func (e *evmxgo) ExecLocal_Transfer(payload *types.AssetsTransfer, tx *types.Transaction, receiptData *types.ReceiptData, index int) (*types.LocalDBSet, error) {
set, err := e.ExecLocalTransWithdraw(tx, receiptData, index)
if err != nil {
return nil, err
}
// 添加个人资产列表
kv := AddTokenToAssets(payload.To, e.GetLocalDB(), payload.Cointoken)
if kv != nil {
set.KV = append(set.KV, kv...)
}
if subCfg.SaveTokenTxList {
evmxgoAction := evmxgotypes.EvmxgoAction{
Ty: evmxgotypes.ActionTransfer,
Value: &evmxgotypes.EvmxgoAction_Transfer{
Transfer: payload,
},
}
kvs, err := e.makeTokenTxKvs(tx, &evmxgoAction, receiptData, index, false)
if err != nil {
return nil, err
}
set.KV = append(set.KV, kvs...)
}
return set, nil
}
func (e *evmxgo) ExecLocal_Withdraw(payload *types.AssetsWithdraw, tx *types.Transaction, receiptData *types.ReceiptData, index int) (*types.LocalDBSet, error) {
set, err := e.ExecLocalTransWithdraw(tx, receiptData, index)
if err != nil {
return nil, err
}
// 添加个人资产列表
kv := AddTokenToAssets(tx.From(), e.GetLocalDB(), payload.Cointoken)
if kv != nil {
set.KV = append(set.KV, kv...)
}
if subCfg.SaveTokenTxList {
evmxgoAction := evmxgotypes.EvmxgoAction{
Ty: evmxgotypes.ActionWithdraw,
Value: &evmxgotypes.EvmxgoAction_Withdraw{
Withdraw: payload,
},
}
kvs, err := e.makeTokenTxKvs(tx, &evmxgoAction, receiptData, index, false)
if err != nil {
return nil, err
}
set.KV = append(set.KV, kvs...)
}
return set, nil
}
func (e *evmxgo) ExecLocal_TransferToExec(payload *types.AssetsTransferToExec, tx *types.Transaction, receiptData *types.ReceiptData, index int) (*types.LocalDBSet, error) {
set, err := e.ExecLocalTransWithdraw(tx, receiptData, index)
if err != nil {
return nil, err
}
if subCfg.SaveTokenTxList {
evmxgoAction := evmxgotypes.EvmxgoAction{
Ty: evmxgotypes.EvmxgoActionTransferToExec,
Value: &evmxgotypes.EvmxgoAction_TransferToExec{
TransferToExec: payload,
},
}
kvs, err := e.makeTokenTxKvs(tx, &evmxgoAction, receiptData, index, false)
if err != nil {
return nil, err
}
set.KV = append(set.KV, kvs...)
}
return set, nil
}
func loadLocalToken(symbol string, db db.KVDB) (*evmxgotypes.LocalEvmxgo, error) {
key := calcEvmxgoStatusKeyLocal(symbol)
v, err := db.Get(key)
if err != nil {
return nil, evmxgotypes.ErrEvmxgoSymbolNotExist
}
var localToken evmxgotypes.LocalEvmxgo
err = types.Decode(v, &localToken)
if err != nil {
return nil, err
}
return &localToken, nil
}
func newLocalEvmxgo(mint *evmxgotypes.EvmxgoMint) *evmxgotypes.LocalEvmxgo {
e := evmxgotypes.LocalEvmxgo{}
e.Symbol = mint.GetSymbol()
return &e
}
func setMint(t *evmxgotypes.LocalEvmxgo, height, time, amount int64) *evmxgotypes.LocalEvmxgo {
t.Total = t.Total + amount
return t
}
func setBurn(t *evmxgotypes.LocalEvmxgo, height, time, amount int64) *evmxgotypes.LocalEvmxgo {
t.Total = t.Total - amount
return t
}
func (e *evmxgo) ExecLocal_MintMap(payload *evmxgotypes.EvmxgoMintMap, tx *types.Transaction, receiptData *types.ReceiptData, index int) (*types.LocalDBSet, error) {
pay := &evmxgotypes.EvmxgoMint{}
_ = copier.Copy(pay, payload)
//return e.ExecLocal_Mint(pay, tx, receiptData, index)
localToken, err := loadLocalToken(payload.Symbol, e.GetLocalDB())
if err != nil && err != evmxgotypes.ErrEvmxgoSymbolNotExist {
return nil, err
}
// evmxgo合约,只要配置了就可以铸币
if err == evmxgotypes.ErrEvmxgoSymbolNotExist {
configSynbol, err := loadEvmxgoMintMapConfig(e.GetStateDB(), payload.GetSymbol())
if err != nil || configSynbol == nil {
elog.Error("evmxgo mint ", "not config symbol", payload.GetSymbol(), "error", err)
return nil, evmxgotypes.ErrEvmxgoSymbolNotAllowedMint
}
localToken = newLocalEvmxgo(pay)
localToken.Introduction = configSynbol.Introduction
localToken.Precision = configSynbol.Precision
}
localToken = setMint(localToken, e.GetHeight(), e.GetBlockTime(), payload.Amount)
var set []*types.KeyValue
key := calcEvmxgoStatusKeyLocal(payload.Symbol)
set = append(set, &types.KeyValue{Key: key, Value: types.Encode(localToken)})
table := NewLogsTable(e.GetLocalDB())
txIndex := dapp.HeightIndexStr(e.GetHeight(), int64(index))
err = table.Add(&evmxgotypes.LocalEvmxgoLogs{Symbol: payload.Symbol, TxIndex: txIndex, ActionType: evmxgotypes.EvmxgoActionMint, TxHash: "0x" + hex.EncodeToString(tx.Hash())})
if err != nil {
return nil, err
}
kv, err := table.Save()
if err != nil {
return nil, err
}
set = append(set, kv...)
return &types.LocalDBSet{KV: set}, nil
}
func (e *evmxgo) ExecLocal_Mint(payload *evmxgotypes.EvmxgoMint, tx *types.Transaction, receiptData *types.ReceiptData, index int) (*types.LocalDBSet, error) {
localToken, err := loadLocalToken(payload.Symbol, e.GetLocalDB())
if err != nil && err != evmxgotypes.ErrEvmxgoSymbolNotExist {
return nil, err
}
// evmxgo合约,只要配置了就可以铸币
if err == evmxgotypes.ErrEvmxgoSymbolNotExist {
configSynbol, err := loadEvmxgoMintConfig(e.GetStateDB(), payload.GetSymbol())
if err != nil || configSynbol == nil {
elog.Error("evmxgo mint ", "not config symbol", payload.GetSymbol(), "error", err)
return nil, evmxgotypes.ErrEvmxgoSymbolNotAllowedMint
}
localToken = newLocalEvmxgo(payload)
localToken.Introduction = configSynbol.Introduction
localToken.Precision = configSynbol.Precision
}
localToken = setMint(localToken, e.GetHeight(), e.GetBlockTime(), payload.Amount)
var set []*types.KeyValue
key := calcEvmxgoStatusKeyLocal(payload.Symbol)
set = append(set, &types.KeyValue{Key: key, Value: types.Encode(localToken)})
table := NewLogsTable(e.GetLocalDB())
txIndex := dapp.HeightIndexStr(e.GetHeight(), int64(index))
err = table.Add(&evmxgotypes.LocalEvmxgoLogs{Symbol: payload.Symbol, TxIndex: txIndex, ActionType: evmxgotypes.EvmxgoActionMint, TxHash: "0x" + hex.EncodeToString(tx.Hash())})
if err != nil {
return nil, err
}
kv, err := table.Save()
if err != nil {
return nil, err
}
set = append(set, kv...)
return &types.LocalDBSet{KV: set}, nil
}
func (e *evmxgo) ExecLocal_Burn(payload *evmxgotypes.EvmxgoBurn, tx *types.Transaction, receiptData *types.ReceiptData, index int) (*types.LocalDBSet, error) {
localToken, err := loadLocalToken(payload.Symbol, e.GetLocalDB())
if err != nil {
return nil, err
}
localToken = setBurn(localToken, e.GetHeight(), e.GetBlockTime(), payload.Amount)
var set []*types.KeyValue
key := calcEvmxgoStatusKeyLocal(payload.Symbol)
set = append(set, &types.KeyValue{Key: key, Value: types.Encode(localToken)})
table := NewLogsTable(e.GetLocalDB())
txIndex := dapp.HeightIndexStr(e.GetHeight(), int64(index))
err = table.Add(&evmxgotypes.LocalEvmxgoLogs{Symbol: payload.Symbol, TxIndex: txIndex, ActionType: evmxgotypes.EvmxgoActionBurn, TxHash: "0x" + hex.EncodeToString(tx.Hash())})
if err != nil {
return nil, err
}
kv, err := table.Save()
if err != nil {
return nil, err
}
set = append(set, kv...)
return &types.LocalDBSet{KV: set}, nil
}
func (e *evmxgo) ExecLocal_BurnMap(payload *evmxgotypes.EvmxgoBurnMap, tx *types.Transaction, receiptData *types.ReceiptData, index int) (*types.LocalDBSet, error) {
pay := &evmxgotypes.EvmxgoBurn{}
_ = copier.Copy(pay, payload)
return e.ExecLocal_Burn(pay, tx, receiptData, index)
}
//当区块回滚时,框架支持自动回滚localdb kv,需要对exec-local返回的kv进行封装
func (e *evmxgo) addAutoRollBack(tx *types.Transaction, kv []*types.KeyValue) *types.LocalDBSet {
dbSet := &types.LocalDBSet{}
dbSet.KV = e.AddRollbackKV(tx, tx.Execer, kv)
return dbSet
}