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utxo_collection.go
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/
utxo_collection.go
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package serialization
import (
"github.com/Nirvana-Chain/nirvanad/domain/consensus/model/externalapi"
"github.com/Nirvana-Chain/nirvanad/domain/consensus/utils/utxo"
)
func utxoCollectionToDBUTXOCollection(utxoCollection externalapi.UTXOCollection) ([]*DbUtxoCollectionItem, error) {
items := make([]*DbUtxoCollectionItem, utxoCollection.Len())
i := 0
utxoIterator := utxoCollection.Iterator()
defer utxoIterator.Close()
for ok := utxoIterator.First(); ok; ok = utxoIterator.Next() {
outpoint, entry, err := utxoIterator.Get()
if err != nil {
return nil, err
}
items[i] = &DbUtxoCollectionItem{
Outpoint: DomainOutpointToDbOutpoint(outpoint),
UtxoEntry: UTXOEntryToDBUTXOEntry(entry),
}
i++
}
return items, nil
}
func dbUTXOCollectionToUTXOCollection(items []*DbUtxoCollectionItem) (externalapi.UTXOCollection, error) {
utxoMap := make(map[externalapi.DomainOutpoint]externalapi.UTXOEntry, len(items))
for _, item := range items {
outpoint, err := DbOutpointToDomainOutpoint(item.Outpoint)
if err != nil {
return nil, err
}
utxoEntry, err := DBUTXOEntryToUTXOEntry(item.UtxoEntry)
if err != nil {
return nil, err
}
utxoMap[*outpoint] = utxoEntry
}
return utxo.NewUTXOCollection(utxoMap), nil
}