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https://github.com/kaspanet/kaspad.git
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a585f32763
* [NOD-1551] Make UTXO-Diff implemented fully in utils/utxo * [NOD-1551] Fixes everywhere except database * [NOD-1551] Fix database * [NOD-1551] Add comments * [NOD-1551] Partial commit * [NOD-1551] Comlete making UTXOEntry immutable + don't clone it in UTXOCollectionClone * [NOD-1551] Rename ToUnmutable -> ToImmutable * [NOD-1551] Track immutable references generated from mutable UTXODiff, and invalidate them if the mutable one changed * [NOD-1551] Clone scriptPubKey in NewUTXOEntry * [NOD-1551] Remove redundant code * [NOD-1551] Remove redundant call for .CloneMutable and then .ToImmutable * [NOD-1551] Make utxoEntry pointert-receiver + clone ScriptPubKey in getter
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package utxo
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import (
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"github.com/kaspanet/kaspad/domain/consensus/model"
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/pkg/errors"
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)
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type utxoOutpointEntryPair struct {
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outpoint externalapi.DomainOutpoint
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entry externalapi.UTXOEntry
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}
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type utxoCollectionIterator struct {
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index int
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pairs []utxoOutpointEntryPair
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}
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func (uc utxoCollection) Iterator() model.ReadOnlyUTXOSetIterator {
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pairs := make([]utxoOutpointEntryPair, len(uc))
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i := 0
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for outpoint, entry := range uc {
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pairs[i] = utxoOutpointEntryPair{
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outpoint: outpoint,
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entry: entry,
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}
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i++
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}
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return &utxoCollectionIterator{index: -1, pairs: pairs}
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}
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func (uci *utxoCollectionIterator) Next() bool {
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uci.index++
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return uci.index < len(uci.pairs)
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}
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func (uci *utxoCollectionIterator) Get() (outpoint *externalapi.DomainOutpoint, utxoEntry externalapi.UTXOEntry, err error) {
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pair := uci.pairs[uci.index]
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return &pair.outpoint, pair.entry, nil
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}
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func (uci *utxoCollectionIterator) WithDiff(diff model.UTXODiff) (model.ReadOnlyUTXOSetIterator, error) {
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d, ok := diff.(*immutableUTXODiff)
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if !ok {
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return nil, errors.New("diff is not of type *immutableUTXODiff")
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}
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return &readOnlyUTXOIteratorWithDiff{
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baseIterator: uci,
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diff: d,
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toAddIterator: diff.ToAdd().Iterator(),
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}, nil
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}
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