configtxgen configuration file detailed description

Others 2021-03-07 04:11:03 views: null

configtx.yaml is the Hyperledger Fabric blockchain network operation and maintenance tool configtxgen used to generate the configuration file of the channel creation block or channel transaction. The content of configtx.yaml directly determines the content of the generated creation block. This article will give a detailed Chinese description of configtx.yaml.

 

Capabilities / channel capability configuration

The Capabilities section is used to define the capabilities of the fabric network. This is a new configuration section introduced in version v1.0.0. It cannot be used in mixed networking with peer nodes and ordering nodes of version v1.0.x.

The Capabilities section defines the features that the fabric program must support to join the network. For example, if a new MSP type is added, the updated program may recognize and verify the signature based on that type, but the old version of the program has no way to verify these transactions. This may lead to inconsistencies in the world state maintained in different versions of the fabric program.

Therefore, by defining the ability of the channel, it is clear that fabric programs that do not meet the requirements of this ability will not be able to process transactions unless they are upgraded to a new version. For v1.0.x programs, if any capabilities are defined in the Capabilities section, even if it is declared that these capabilities are not required to be supported, it will intentionally crash.

Capabilities:
    # Global配置同时应用于排序节点和对等节点，并且必须被两种节点同时支持。
    # 将该配置项设置为ture表明要求节点具备该能力
    Global: &ChannelCapabilities
        V1_3: true

    # Orderer配置仅应用于排序节点，不需考虑对等节点的升级。将该配置项
    # 设置为true表明要求排序节点具备该能力
    Orderer: &OrdererCapabilities
        V1_1: true

    # Application配置仅应用于对等网络，不需考虑排序节点的升级。将该配置项
    # 设置为true表明要求对等节点具备该能力
    Application: &ApplicationCapabilities
        V1_3: true

Organizations / organization configuration

The Organizations configuration section is used to define organizational entities for reference in subsequent configurations. For example, in the following configuration file, three organizations are defined, and the configurations can be referenced using ExampleCom, Org1ExampleCom, and Org2ExampleCom respectively:

Organizations:

    - &ExampleCom
        Name: ExampleCom
        ID: example.com
        AdminPrincipal: Role.ADMIN
        MSPDir: ./ordererOrganizations/example.com/msp
        Policies:
            Readers:
                Type: Signature
                Rule: OR('example.com.member')
            Writers:
                Type: Signature
                Rule: OR('example.com.member')
            Admins:
                Type: Signature
                Rule: OR('example.com.admin')
            Endorsement:
                Type: Signature
                Rule: OR('example.com.member')

    - &Org1ExampleCom
        Name: Org1ExampleCom
        ID: org1.example.com
        MSPDir: ./peerOrganizations/org1.example.com/msp
        AdminPrincipal: Role.ADMIN
        AnchorPeers:
            - Host: peer0.org1.example.com
              Port: 7051
        Policies:
            Readers:
                Type: Signature
                Rule: OR('org1.example.com.member')
            Writers:
                Type: Signature
                Rule: OR('org1.example.com.member')
            Admins:
                Type: Signature
                Rule: OR('org1.example.com.admin')
            Endorsement:
                Type: Signature
                Rule: OR('org1.example.com.member')

    - &Org2ExampleCom
        Name: Org2ExampleCom
        ID: org2.example.com
        MSPDir: ./peerOrganizations/org2.example.com/msp
        AdminPrincipal: Role.ADMIN
        AnchorPeers:
            - Host: peer0.org2.example.com
              Port: 7051
        Policies:
            Readers:
                Type: Signature
                Rule: OR('org2.example.com.member')
            Writers:
                Type: Signature
                Rule: OR('org2.example.com.member')
            Admins:
                Type: Signature
                Rule: OR('org2.example.com.admin')
            Endorsement:
                Type: Signature
                Rule: OR('org2.example.com.member')

Orderer / ordering node configuration

The Orderer configuration section is used to define the ordering node parameters to be coded into the genesis block or channel transaction.

Orderer: &OrdererDefaults

    # 排序节点类型用来指定要启用的排序节点实现，不同的实现对应不同的共识算法。
    # 目前可用的类型为：solo和kafka
    OrdererType: solo
    Addresses:
        - orderer0.example.com:7050

    BatchTimeout: 2s
    BatchSize:
        MaxMessageCount: 10
        AbsoluteMaxBytes: 98 MB
        PreferredMaxBytes: 512 KB

    MaxChannels: 0
    Kafka:
        Brokers:
            - kafka0:9092
            - kafka1:9092
            - kafka2:9092
            - kafka3:9092

    Organizations:

    # 定义本层级的排序节点策略，其权威路径为 /Channel/Orderer/<PolicyName>
    Policies:
        Readers:
            Type: ImplicitMeta
            Rule: ANY Readers
        Writers:
            Type: ImplicitMeta
            Rule: ANY Writers
        Admins:
            Type: ImplicitMeta
            Rule: MAJORITY Admins
        # BlockValidation配置项指定了哪些签名必须包含在区块中，以便对等节点进行验证
        BlockValidation:
            Type: ImplicitMeta
            Rule: ANY Writers

    # Capabilities配置描述排序节点层级的能力需求，这里直接引用
    # 前面Capabilities配置段中的OrdererCapabilities配置项
    Capabilities:
        <<: *OrdererCapabilities

Channel / channel configuration

The Channel configuration section is used to define the channel parameters to be written to the genesis block or configuration transaction.

Channel: &ChannelDefaults
    # 定义本层级的通道访问策略，其权威路径为 /Channel/<PolicyName>
    Policies:
        Readers:
            Type: ImplicitMeta
            Rule: ANY Readers
        # Writes策略定义了调用Broadcast API提交交易的许可规则
        Writers:
            Type: ImplicitMeta
            Rule: ANY Writers
        # Admin策略定义了修改本层级配置的许可规则
        Admins:
            Type: ImplicitMeta
            Rule: MAJORITY Admins

    # Capabilities配置描通道层级的能力需求，这里直接引用
    # 前面Capabilities配置段中的ChannelCapabilities配置项
    Capabilities:
        <<: *ChannelCapabilities

Application / application configuration

The Application configuration section is used to define application parameters to be written into the genesis block or configuration transactions.

Application: &ApplicationDefaults
    ACLs: &ACLsDefault
        # ACLs配置段为系统中各种资源提供默认的策略。
        # 这里所说的“资源”，可以是系统链码的函数，例如qscc系统链码的GetBlockByNumber方法
        # 也可以是其他资源，例如谁可以接收区块事件。
        # 这个配置段不是用来定义资源或API，而仅仅是定义资源的访问控制策略
        # 
        # 用户可以在通道定义中重写这些默认策略

        #---New Lifecycle System Chaincode (_lifecycle) function to policy mapping for access control--#

        # _lifecycle系统链码CommitChaincodeDefinition函数的ACL定义
        _lifecycle/CommitChaincodeDefinition: /Channel/Application/Writers

        # _lifecycle系统链码的QueryChaincodeDefinition函数的ACL定义
        _lifecycle/QueryChaincodeDefinition: /Channel/Application/Readers

        # _lifecycle系统链码的QueryNamespaceDefinitions函数的ACL定义
        _lifecycle/QueryNamespaceDefinitions: /Channel/Application/Readers

        #---Lifecycle System Chaincode (lscc) function to policy mapping for access control---#

        # lscc系统链码的getid函数的ACL定义
        lscc/ChaincodeExists: /Channel/Application/Readers

        # lscc系统链码的getdepspec函数的ACL定义
        lscc/GetDeploymentSpec: /Channel/Application/Readers

        # lscc系统链码的getccdata函数的ACL定义
        lscc/GetChaincodeData: /Channel/Application/Readers

        # lscc系统链码的getchaincodes函数的ACL定义
        lscc/GetInstantiatedChaincodes: /Channel/Application/Readers

        #---Query System Chaincode (qscc) function to policy mapping for access control---#

        # qscc系统链码的GetChainInfo函数的ACL定义
        qscc/GetChainInfo: /Channel/Application/Readers

        # qscc系统链码的GetBlockByNumber函数的ACL定义
        qscc/GetBlockByNumber: /Channel/Application/Readers

        # qscc系统 链码的GetBlockByHash函数的ACL定义
        qscc/GetBlockByHash: /Channel/Application/Readers

        # qscc系统链码的GetTransactionByID函数的ACL定义
        qscc/GetTransactionByID: /Channel/Application/Readers

        # qscc系统链码GetBlockByTxID函数的ACL定义
        qscc/GetBlockByTxID: /Channel/Application/Readers

        #---Configuration System Chaincode (cscc) function to policy mapping for access control---#

        # cscc系统链码的GetConfigBlock函数的ACl定义
        cscc/GetConfigBlock: /Channel/Application/Readers

        # cscc系统链码的GetConfigTree函数的ACL定义
        cscc/GetConfigTree: /Channel/Application/Readers

        # cscc系统链码的SimulateConfigTreeUpdate函数的ACL定义
        cscc/SimulateConfigTreeUpdate: /Channel/Application/Readers

        #---Miscellanesous peer function to policy mapping for access control---#

        # 访问对等节点上的链码的ACL策略定义
        peer/Propose: /Channel/Application/Writers

        # 从链码中访问其他链码的ACL策略定义
        peer/ChaincodeToChaincode: /Channel/Application/Readers

        #---Events resource to policy mapping for access control###---#

        # 发送区块事件的ACL策略定义
        event/Block: /Channel/Application/Readers

        # 发送过滤的区块事件的ACL策略定义
        event/FilteredBlock: /Channel/Application/Readers

    # Organizations配置列出参与到网络中的机构清单
    Organizations:

    # 定义本层级的应用控制策略，其权威路径为 /Channel/Application/<PolicyName>
    Policies: &ApplicationDefaultPolicies
        Readers:
            Type: ImplicitMeta
            Rule: "ANY Readers"
        Writers:
            Type: ImplicitMeta
            Rule: "ANY Writers"
        Admins:
            Type: ImplicitMeta
            Rule: "MAJORITY Admins"
        LifecycleEndorsement:
            Type: ImplicitMeta
            Rule: "ANY Endorsement"
        Endorsement:
            Type: ImplicitMeta
            Rule: "ANY Endorsement"

    # Capabilities配置描述应用层级的能力需求，这里直接引用
    # 前面Capabilities配置段中的ApplicationCapabilities配置项
    Capabilities:
        <<: *ApplicationCapabilities

Profiles / configuration entry

The Profiles configuration section is used to define the configuration entry for the configtxgen tool. The configuration entry that contains the consortium can be used to generate the genesis block of the sorting node. If the members of the consortium are correctly defined in the genesis block of the sorting node, then only the name of the institution member and the name of the committee can be used to generate a channel creation request.

Profiles:

    # SampleInsecureSolo定义了一个使用Solo排序节点的简单配置
    SampleInsecureSolo:
        <<: *ChannelDefaults
        Orderer:
            <<: *OrdererDefaults
            Organizations:
                - *ExampleCom
            Capabilities:
                <<: *OrdererCapabilities
        Application:
            <<: *ApplicationDefaults
            Organizations:
                - *ExampleCom
            Capabilities:
                <<: *ApplicationCapabilities
            Policies:
                Readers:
                  Type: ImplicitMeta
                  Rule: ANY Readers
                Writers:
                  Type: ImplicitMeta
                  Rule: ANY Writers
                Admins:
                  Type: ImplicitMeta
                  Rule: MAJORITY Admins
                LifecycleEndorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
                Endorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
        Consortiums:
            SampleConsortium:
                Organizations:
                    - *Org1ExampleCom
                    - *Org2ExampleCom

    # SampleInsecureKafka定义了一个使用Kfaka排序节点的配置
    SampleInsecureKafka:
        <<: *ChannelDefaults
        Orderer:
            <<: *OrdererDefaults
            OrdererType: kafka
            Addresses:
                - orderer0.example.com:7050
                - orderer1.example.com:7050
                - orderer2.example.com:7050
            Organizations:
                - *ExampleCom
            Capabilities:
                <<: *OrdererCapabilities
        Application:
            <<: *ApplicationDefaults
            Organizations:
                - *ExampleCom
            Capabilities:
                <<: *ApplicationCapabilities
            Policies:
                Readers:
                  Type: ImplicitMeta
                  Rule: ANY Readers
                Writers:
                  Type: ImplicitMeta
                  Rule: ANY Writers
                Admins:
                  Type: ImplicitMeta
                  Rule: MAJORITY Admins
                LifecycleEndorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
                Endorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
        Consortiums:
            SampleConsortium:
                Organizations:
                    - *ExampleCom
                    - *Org1ExampleCom
                    - *Org2ExampleCom

    # SampleSingleMSPSolo定义了一个使用Solo排序节点、包含单一MSP的配置
    SampleSingleMSPSolo:
        Orderer:
            <<: *OrdererDefaults
            Organizations:
                - *ExampleCom
            Capabilities:
                <<: *OrdererCapabilities
        Application:
            <<: *ApplicationDefaults
            Organizations:
                - *ExampleCom
            Capabilities:
                <<: *ApplicationCapabilities
            Policies:
                Readers:
                  Type: ImplicitMeta
                  Rule: ANY Readers
                Writers:
                  Type: ImplicitMeta
                  Rule: ANY Writers
                Admins:
                  Type: ImplicitMeta
                  Rule: MAJORITY Admins
                LifecycleEndorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
                Endorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
        Consortiums:
            SampleConsortium:
                Organizations:
                    - *ExampleCom
                    - *Org1ExampleCom
                    - *Org2ExampleCom

    # SampleEmptyInsecureChannel定义了一个不包含成员与访问控制策略的通道
    SampleEmptyInsecureChannel:
        Capabilities:
            <<: *ChannelCapabilities
        Consortium: SampleConsortium
        Application:
            Organizations:
                - *ExampleCom
            Capabilities:
                <<: *ApplicationCapabilities
            Policies:
                Readers:
                  Type: ImplicitMeta
                  Rule: ANY Readers
                Writers:
                  Type: ImplicitMeta
                  Rule: ANY Writers
                Admins:
                  Type: ImplicitMeta
                  Rule: MAJORITY Admins
                LifecycleEndorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
                Endorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement

    # SysTestChannel定义了一个用于测试的通道
    SysTestChannel:
        <<: *ChannelDefaults
        Capabilities:
            <<: *ChannelCapabilities
        Consortium: SampleConsortium
        Application:
            <<: *ApplicationDefaults
            Organizations:
                - *Org1ExampleCom
                - *Org2ExampleCom
            Capabilities:
                <<: *ApplicationCapabilities
            Policies:
                Readers:
                  Type: ImplicitMeta
                  Rule: ANY Readers
                Writers:
                  Type: ImplicitMeta
                  Rule: ANY Writers
                Admins:
                  Type: ImplicitMeta
                  Rule: MAJORITY Admins
                LifecycleEndorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
                Endorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement

    # SampleSingleMSPChannel定义了一个仅包含单一成员机构的通道。
    # 该配置通常与SampleSingleMSPSolo或SampleSingleMSPKafka同时使用
    SampleSingleMSPChannel:
        <<: *ChannelDefaults
        Capabilities:
            <<: *ChannelCapabilities
        Consortium: SampleConsortium
        Application:
            <<: *ApplicationDefaults
            Organizations:
                - *Org1ExampleCom
                - *Org2ExampleCom
            Capabilities:
                <<: *ApplicationCapabilities
            Policies:
                Readers:
                  Type: ImplicitMeta
                  Rule: ANY Readers
                Writers:
                  Type: ImplicitMeta
                  Rule: ANY Writers
                Admins:
                  Type: ImplicitMeta
                  Rule: MAJORITY Admins
                LifecycleEndorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement
                Endorsement:
                  Type: ImplicitMeta
                  Rule: ANY Endorsement

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