github.com/myafeier/fabric@v1.0.1-0.20170722181825-3a4b1f2bce86/common/config/consortiums.go (about)

     1  /*
     2  Copyright IBM Corp. 2017 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 (
    20  	"fmt"
    21  
    22  	"github.com/hyperledger/fabric/common/config/msp"
    23  )
    24  
    25  const (
    26  	// ConsortiumsGroupKey is the group name for the consortiums config
    27  	ConsortiumsGroupKey = "Consortiums"
    28  )
    29  
    30  // ConsortiumsGroup stores the set of Consortiums
    31  type ConsortiumsGroup struct {
    32  	*Proposer
    33  	*ConsortiumsConfig
    34  
    35  	mspConfig *msp.MSPConfigHandler
    36  }
    37  
    38  // NewConsortiumsGroup creates a new *ConsortiumsGroup
    39  func NewConsortiumsGroup(mspConfig *msp.MSPConfigHandler) *ConsortiumsGroup {
    40  	cg := &ConsortiumsGroup{
    41  		mspConfig: mspConfig,
    42  	}
    43  	cg.Proposer = NewProposer(cg)
    44  	return cg
    45  }
    46  
    47  // NewGroup returns a Consortium instance
    48  func (cg *ConsortiumsGroup) NewGroup(name string) (ValueProposer, error) {
    49  	return NewConsortiumGroup(cg.mspConfig), nil
    50  }
    51  
    52  // Allocate returns the resources for a new config proposal
    53  func (cg *ConsortiumsGroup) Allocate() Values {
    54  	return NewConsortiumsConfig(cg)
    55  }
    56  
    57  // ConsortiumsConfig holds the consoritums configuration information
    58  type ConsortiumsConfig struct {
    59  	*standardValues
    60  	consortiums map[string]Consortium
    61  
    62  	consortiumsGroup *ConsortiumsGroup
    63  }
    64  
    65  // NewConsortiumsConfig creates a new instance of the consoritums config
    66  func NewConsortiumsConfig(cg *ConsortiumsGroup) *ConsortiumsConfig {
    67  	cc := &ConsortiumsConfig{
    68  		consortiums:      make(map[string]Consortium),
    69  		consortiumsGroup: cg,
    70  	}
    71  	var err error
    72  	cc.standardValues, err = NewStandardValues()
    73  	if err != nil {
    74  		logger.Panicf("Programming error: %s", err)
    75  	}
    76  	return cc
    77  }
    78  
    79  // Consortiums returns a map of the current consortiums
    80  func (cc *ConsortiumsConfig) Consortiums() map[string]Consortium {
    81  	return cc.consortiums
    82  }
    83  
    84  // Commit commits the ConsortiumsConfig
    85  func (cc *ConsortiumsConfig) Commit() {
    86  	cc.consortiumsGroup.ConsortiumsConfig = cc
    87  }
    88  
    89  // Validate builds the Consortiums map
    90  func (cc *ConsortiumsConfig) Validate(tx interface{}, groups map[string]ValueProposer) error {
    91  	var ok bool
    92  	for key, group := range groups {
    93  		cc.consortiums[key], ok = group.(*ConsortiumGroup)
    94  		if !ok {
    95  			return fmt.Errorf("Unexpected group type: %T", group)
    96  		}
    97  	}
    98  	return nil
    99  }