github.com/tenywen/fabric@v1.0.0-beta.0.20170620030522-a5b1ed380643/common/mocks/config/channel.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 config
    18  
    19  import "github.com/hyperledger/fabric/common/util"
    20  
    21  func nearIdentityHash(input []byte) []byte {
    22  	return util.ConcatenateBytes([]byte("FakeHash("), input, []byte(""))
    23  }
    24  
    25  // Channel is a mock implementation of config.Channel
    26  type Channel struct {
    27  	// HashingAlgorithmVal is returned as the result of HashingAlgorithm() if set
    28  	HashingAlgorithmVal func([]byte) []byte
    29  	// BlockDataHashingStructureWidthVal is returned as the result of BlockDataHashingStructureWidth()
    30  	BlockDataHashingStructureWidthVal uint32
    31  	// OrdererAddressesVal is returned as the result of OrdererAddresses()
    32  	OrdererAddressesVal []string
    33  }
    34  
    35  // HashingAlgorithm returns the HashingAlgorithmVal if set, otherwise a fake simple hash function
    36  func (scm *Channel) HashingAlgorithm() func([]byte) []byte {
    37  	if scm.HashingAlgorithmVal == nil {
    38  		return nearIdentityHash
    39  	}
    40  	return scm.HashingAlgorithmVal
    41  }
    42  
    43  // BlockDataHashingStructureWidth returns the BlockDataHashingStructureWidthVal
    44  func (scm *Channel) BlockDataHashingStructureWidth() uint32 {
    45  	return scm.BlockDataHashingStructureWidthVal
    46  }
    47  
    48  // OrdererAddresses returns the OrdererAddressesVal
    49  func (scm *Channel) OrdererAddresses() []string {
    50  	return scm.OrdererAddressesVal
    51  }