/
stagetable.go
70 lines (59 loc) · 1.56 KB
/
stagetable.go
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package executor
import (
"fmt"
"github.com/33cn/chain33/common/db"
"github.com/33cn/chain33/common/db/table"
"github.com/33cn/chain33/types"
pt "github.com/33cn/plugin/plugin/dapp/paracross/types"
)
/*
table struct
data: self consens stage
index: status
*/
var boardOpt = &table.Option{
Prefix: "LODB-paracross",
Name: "stage",
Primary: "heightindex",
Index: []string{"id", "status"},
}
//NewStageTable 新建表
func NewStageTable(kvdb db.KV) *table.Table {
rowmeta := NewStageRow()
table, err := table.NewTable(rowmeta, kvdb, boardOpt)
if err != nil {
panic(err)
}
return table
}
//StageRow table meta 结构
type StageRow struct {
*pt.LocalSelfConsStageInfo
}
//NewStageRow 新建一个meta 结构
func NewStageRow() *StageRow {
return &StageRow{LocalSelfConsStageInfo: &pt.LocalSelfConsStageInfo{}}
}
//CreateRow 新建数据行(注意index 数据一定也要保存到数据中,不能就保存heightindex)
func (r *StageRow) CreateRow() *table.Row {
return &table.Row{Data: &pt.LocalSelfConsStageInfo{}}
}
//SetPayload 设置数据
func (r *StageRow) SetPayload(data types.Message) error {
if d, ok := data.(*pt.LocalSelfConsStageInfo); ok {
r.LocalSelfConsStageInfo = d
return nil
}
return types.ErrTypeAsset
}
//Get 按照indexName 查询 indexValue
func (r *StageRow) Get(key string) ([]byte, error) {
if key == "heightindex" {
return []byte(r.TxIndex), nil
} else if key == "id" {
return []byte(r.Stage.Id), nil
} else if key == "status" {
return []byte(fmt.Sprintf("%2d", r.Stage.Status)), nil
}
return nil, types.ErrNotFound
}