github.com/Hnampk/fabric@v2.1.1+incompatible/core/ledger/kvledger/txmgmt/validator/validator.go (about)

     1  /*
     2  Copyright IBM Corp. 2016 All Rights Reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  		 http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package validator
    18  
    19  import (
    20  	"github.com/hyperledger/fabric/core/ledger"
    21  	"github.com/hyperledger/fabric/core/ledger/kvledger/txmgmt/privacyenabledstate"
    22  	"github.com/hyperledger/fabric/core/ledger/kvledger/txmgmt/txmgr"
    23  )
    24  
    25  // Validator validates the transactions present in a block and returns a batch that should be used to update the state
    26  type Validator interface {
    27  	ValidateAndPrepareBatch(blockAndPvtdata *ledger.BlockAndPvtData, doMVCCValidation bool) (
    28  		*privacyenabledstate.UpdateBatch, []*txmgr.TxStatInfo, error,
    29  	)
    30  }
    31  
    32  // ErrPvtdataHashMissmatch is to be thrown if the hash of a collection present in the public read-write set
    33  // does not match with the corresponding pvt data  supplied with the block for validation
    34  type ErrPvtdataHashMissmatch struct {
    35  	Msg string
    36  }
    37  
    38  func (e *ErrPvtdataHashMissmatch) Error() string {
    39  	return e.Msg
    40  }