fabric-samples/off_chain_data/application-go/parser/namespaceReadWriteSet.go
Mark S. Lewis 4fabd87648 Enhance Go off_chain_data for consistency
Add some methods to the parsing API within the Go off_chain_data sample
for consistency with the Node and Java implementations:

- ToProto() on Block, Transaction and NamespaceReadWriteSet.
- ValidationCode() on Transaction.
- Creator() on Transaction

Signed-off-by: Mark S. Lewis <Mark.S.Lewis@outlook.com>
2025-07-24 16:58:06 +09:00

41 lines
1.1 KiB
Go

package parser
import (
"sync"
"github.com/hyperledger/fabric-protos-go-apiv2/ledger/rwset"
"github.com/hyperledger/fabric-protos-go-apiv2/ledger/rwset/kvrwset"
"google.golang.org/protobuf/proto"
)
type NamespaceReadWriteSet struct {
nsReadWriteSet *rwset.NsReadWriteSet
readWriteSet func() (*kvrwset.KVRWSet, error)
}
func parseNamespaceReadWriteSet(nsRwSet *rwset.NsReadWriteSet) *NamespaceReadWriteSet {
result := &NamespaceReadWriteSet{nsRwSet, nil}
result.readWriteSet = sync.OnceValues(result.unmarshalReadWriteSet)
return result
}
func (p *NamespaceReadWriteSet) Namespace() string {
return p.nsReadWriteSet.GetNamespace()
}
func (p *NamespaceReadWriteSet) ReadWriteSet() (*kvrwset.KVRWSet, error) {
return p.readWriteSet()
}
func (p *NamespaceReadWriteSet) ToProto() *rwset.NsReadWriteSet {
return p.nsReadWriteSet
}
func (p *NamespaceReadWriteSet) unmarshalReadWriteSet() (*kvrwset.KVRWSet, error) {
result := &kvrwset.KVRWSet{}
if err := proto.Unmarshal(p.nsReadWriteSet.GetRwset(), result); err != nil {
return nil, err
}
return result, nil
}