github.com/turingchain2020/turingchain@v1.1.21/system/dapp/manage/executor/exec_del_local.go (about)

     1  // Copyright Turing Corp. 2018 All Rights Reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package executor
     6  
     7  import (
     8  	"fmt"
     9  
    10  	pty "github.com/turingchain2020/turingchain/system/dapp/manage/types"
    11  	"github.com/turingchain2020/turingchain/types"
    12  )
    13  
    14  func localKey(key string) []byte {
    15  	return []byte(fmt.Sprintf("LODB-manage-%s", key))
    16  }
    17  
    18  // ExecDelLocal_Modify defines  execdellocal modify func
    19  func (c *Manage) ExecDelLocal_Modify(transfer *types.ModifyConfig, tx *types.Transaction, receipt *types.ReceiptData, index int) (*types.LocalDBSet, error) {
    20  	set := &types.LocalDBSet{}
    21  
    22  	for i := 0; i < len(receipt.Logs); i++ {
    23  		item := receipt.Logs[i]
    24  		if item.Ty == pty.ManageActionModifyConfig {
    25  			var receipt types.ReceiptConfig
    26  			err := types.Decode(item.Log, &receipt)
    27  			if err != nil {
    28  				panic(err) //数据错误了，已经被修改了
    29  			}
    30  			key := receipt.Current.Key
    31  			set.KV = append(set.KV, &types.KeyValue{Key: localKey(key), Value: types.Encode(receipt.Prev)})
    32  			clog.Debug("ExecDelLocal to savelogs", "config ", key, "value", receipt.Prev)
    33  		}
    34  	}
    35  	return set, nil
    36  }