func newDataNodesDelta(stateDelta *statemgmt.StateDelta) *dataNodesDelta {
dataNodesDelta := &dataNodesDelta{make(map[bucketKey]dataNodes)}
chaincodeIDs := stateDelta.GetUpdatedChaincodeIds(false)
for _, chaincodeID := range chaincodeIDs {
updates := stateDelta.GetUpdates(chaincodeID)
for key, updatedValue := range updates {
if stateDelta.RollBackwards {
dataNodesDelta.add(chaincodeID, key, updatedValue.GetPreviousValue())
} else {
dataNodesDelta.add(chaincodeID, key, updatedValue.GetValue())
}
}
}
for _, dataNodes := range dataNodesDelta.byBucket {
sort.Sort(dataNodes)
}
return dataNodesDelta
}
func newTrieDelta(stateDelta *statemgmt.StateDelta) *trieDelta {
trieDelta := &trieDelta{0, make(map[int]levelDeltaMap)}
chaincodes := stateDelta.GetUpdatedChaincodeIds(false)
for _, chaincodeID := range chaincodes {
updates := stateDelta.GetUpdates(chaincodeID)
for key, updatedvalue := range updates {
if updatedvalue.IsDelete() {
trieDelta.delete(chaincodeID, key)
} else {
if stateDelta.RollBackwards {
trieDelta.set(chaincodeID, key, updatedvalue.GetPreviousValue())
} else {
trieDelta.set(chaincodeID, key, updatedvalue.GetValue())
}
}
}
}
return trieDelta
}