114 lines
3.2 KiB
Go
114 lines
3.2 KiB
Go
/*
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Copyright IBM Corp. All Rights Reserved.
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SPDX-License-Identifier: Apache-2.0
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*/
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package capabilities
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import (
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cb "github.com/hyperledger/fabric-protos-go/common"
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"github.com/hyperledger/fabric/msp"
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)
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const (
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channelTypeName = "Channel"
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// ChannelV1_1 is the capabilities string for standard new non-backwards compatible fabric v1.1 channel capabilities.
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ChannelV1_1 = "V1_1"
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// ChannelV1_3 is the capabilities string for standard new non-backwards compatible fabric v1.3 channel capabilities.
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ChannelV1_3 = "V1_3"
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// ChannelV1_4_2 is the capabilities string for standard new non-backwards compatible fabric v1.4.2 channel capabilities.
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ChannelV1_4_2 = "V1_4_2"
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// ChannelV1_4_3 is the capabilities string for standard new non-backwards compatible fabric v1.4.3 channel capabilities.
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ChannelV1_4_3 = "V1_4_3"
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// ChannelV2_0 is the capabilities string for standard new non-backwards compatible fabric v2.0 channel capabilities.
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ChannelV2_0 = "V2_0"
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// ChannelV3_0 is the capabilities string for standard new non-backwards compatible fabric v3.0 channel capabilities.
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ChannelV3_0 = "V3_0"
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)
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// ChannelProvider provides capabilities information for channel level config.
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type ChannelProvider struct {
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*registry
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v11 bool
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v13 bool
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v142 bool
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v143 bool
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v20 bool
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v30 bool
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}
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// NewChannelProvider creates a channel capabilities provider.
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func NewChannelProvider(capabilities map[string]*cb.Capability) *ChannelProvider {
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cp := &ChannelProvider{}
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cp.registry = newRegistry(cp, capabilities)
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_, cp.v11 = capabilities[ChannelV1_1]
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_, cp.v13 = capabilities[ChannelV1_3]
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_, cp.v142 = capabilities[ChannelV1_4_2]
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_, cp.v143 = capabilities[ChannelV1_4_3]
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_, cp.v20 = capabilities[ChannelV2_0]
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_, cp.v30 = capabilities[ChannelV3_0]
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return cp
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}
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// Type returns a descriptive string for logging purposes.
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func (cp *ChannelProvider) Type() string {
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return channelTypeName
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}
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// HasCapability returns true if the capability is supported by this binary.
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func (cp *ChannelProvider) HasCapability(capability string) bool {
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switch capability {
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// Add new capability names here
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case ChannelV3_0:
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return true
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case ChannelV2_0:
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return true
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case ChannelV1_4_3:
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return true
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case ChannelV1_4_2:
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return true
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case ChannelV1_3:
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return true
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case ChannelV1_1:
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return true
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default:
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return false
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}
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}
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// MSPVersion returns the level of MSP support required by this channel.
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func (cp *ChannelProvider) MSPVersion() msp.MSPVersion {
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switch {
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case cp.v143 || cp.v20 || cp.v30:
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return msp.MSPv1_4_3
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case cp.v13 || cp.v142:
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return msp.MSPv1_3
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case cp.v11:
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return msp.MSPv1_1
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default:
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return msp.MSPv1_0
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}
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}
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// ConsensusTypeMigration return true if consensus-type migration is supported and permitted in both orderer and peer.
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func (cp *ChannelProvider) ConsensusTypeMigration() bool {
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return cp.v142 || cp.v143 || cp.v20 || cp.v30
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}
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// OrgSpecificOrdererEndpoints allows for individual orderer orgs to specify their external addresses for their OSNs.
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func (cp *ChannelProvider) OrgSpecificOrdererEndpoints() bool {
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return cp.v142 || cp.v143 || cp.v20 || cp.v30
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}
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// ConsensusTypeBFT return true if the channel supports BFT consensus.
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func (cp *ChannelProvider) ConsensusTypeBFT() bool {
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return cp.v30
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}
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