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application.go
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application.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package capabilities
import (
cb "github.com/hyperledger/fabric/protos/common"
)
const (
applicationTypeName = "Application"
// ApplicationV1_1 is the capabilties string for standard new non-backwards compatible fabric v1.1 application capabilities.
ApplicationV1_1 = "V1_1"
// ApplicationPvtDataExperimental is the capabilties string for private data using the experimental feature of collections/sideDB.
ApplicationPvtDataExperimental = "V1_1_PVTDATA_EXPERIMENTAL"
// ApplicationResourcesTreeExperimental is the capabilties string for private data using the experimental feature of collections/sideDB.
ApplicationResourcesTreeExperimental = "V1_1_RESOURCETREE_EXPERIMENTAL"
)
// ApplicationProvider provides capabilities information for application level config.
type ApplicationProvider struct {
*registry
v11 bool
v11PvtDataExperimental bool
v11ResourcesTreeExperimental bool
}
// NewApplicationProvider creates a application capabilities provider.
func NewApplicationProvider(capabilities map[string]*cb.Capability) *ApplicationProvider {
ap := &ApplicationProvider{}
ap.registry = newRegistry(ap, capabilities)
_, ap.v11 = capabilities[ApplicationV1_1]
_, ap.v11PvtDataExperimental = capabilities[ApplicationPvtDataExperimental]
_, ap.v11ResourcesTreeExperimental = capabilities[ApplicationResourcesTreeExperimental]
return ap
}
// Type returns a descriptive string for logging purposes.
func (ap *ApplicationProvider) Type() string {
return applicationTypeName
}
// ResourcesTree returns whether the experimental resources tree transaction processing should be enabled.
func (ap *ApplicationProvider) ResourcesTree() bool {
return ap.v11ResourcesTreeExperimental
}
// ForbidDuplicateTXIdInBlock specifies whether two transactions with the same TXId are permitted
// in the same block or whether we mark the second one as TxValidationCode_DUPLICATE_TXID
func (ap *ApplicationProvider) ForbidDuplicateTXIdInBlock() bool {
return ap.v11
}
// PrivateChannelData returns true if support for private channel data (a.k.a. collections) is enabled.
func (ap *ApplicationProvider) PrivateChannelData() bool {
return ap.v11PvtDataExperimental
}
// V1_1Validation returns true is this channel is configured to perform stricter validation
// of transactions (as introduced in v1.1).
func (ap *ApplicationProvider) V1_1Validation() bool {
return ap.v11
}