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retrieve.go
executable file
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retrieve.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 (
"fmt"
dbm "github.com/33cn/chain33/common/db"
log "github.com/33cn/chain33/common/log/log15"
drivers "github.com/33cn/chain33/system/dapp"
"github.com/33cn/chain33/types"
rt "github.com/aBitcoinDiamond/slave/executor/retrieve/types"
)
var (
minPeriod int64 = 60
rlog = log.New("module", "execs.retrieve")
)
var (
zeroDelay int64
zeroPrepareTime int64
zeroRemainTime int64
)
var driverName = "retrieve"
func init() {
ety := types.LoadExecutorType(driverName)
ety.InitFuncList(types.ListMethod(&Retrieve{}))
}
//Init retrieve
func Init(name string, sub []byte) {
drivers.Register(GetName(), newRetrieve, types.GetDappFork(driverName, "Enable"))
}
// GetName method
func GetName() string {
return newRetrieve().GetName()
}
// Retrieve def
type Retrieve struct {
drivers.DriverBase
}
func newRetrieve() drivers.Driver {
r := &Retrieve{}
r.SetChild(r)
r.SetExecutorType(types.LoadExecutorType(driverName))
return r
}
// GetDriverName method
func (r *Retrieve) GetDriverName() string {
return driverName
}
// CheckTx nil
func (r *Retrieve) CheckTx(tx *types.Transaction, index int) error {
return nil
}
func calcRetrieveKey(backupAddr string, defaultAddr string) []byte {
key := fmt.Sprintf("LODB-retrieve-backup:%s:%s", backupAddr, defaultAddr)
return []byte(key)
}
func getRetrieveInfo(db dbm.KVDB, backupAddr string, defaultAddr string) (*rt.RetrieveQuery, error) {
info := rt.RetrieveQuery{}
retInfo, err := db.Get(calcRetrieveKey(backupAddr, defaultAddr))
if err != nil {
return nil, err
}
err = types.Decode(retInfo, &info)
if err != nil {
return nil, err
}
return &info, nil
}
// CheckReceiptExecOk return true to check if receipt ty is ok
func (r *Retrieve) CheckReceiptExecOk() bool {
return true
}