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 }