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c5707f64dc
* [NOD-1420] Start working on ConsensusStateManager. Might be redundant due to recent changes * [NOD-1420] Convert model to externalapi in utxo_algerbra helpers * [NOD-1420] Add UTXO-diff algebra * [NOD-1420] Prepare skeleton of calculateAcceptanceDataAndMultiset * [NOD-1420] Added skeleton for AddBlockToVirtual * [NOD-1420] Implement PopulateTransactionWithUTXOEntries * [NOD-1420] Implement restorePastUTXO * [NOD-1420] Implement finality check * [NOD-1420] Move handling of tips to consensusStateManager * [NOD-1420] Implement calculateAcceptanceDataAndMultiset * [NOD-1420] Start implementing resolveBlockStatus * [NOD-1420] Implement resolveBlockStatus * [NOD-1420] Update related fields in end of resolveSingleBlockStatus * [NOD-1420] Start working on selectVirtualParents * [NOD-1420] Implemented BlockHeap * [NOD-1420] Implement selectVirtualParents * [NOD-1420] Implement updateVirtual * [NOD-1420] Added comments where they were missing * [NOD-1420] Place all consensusStateManager functions in correct files * [NOD-1420] Return the missing outpoints from populateTransactionWithUTXOEntriesFromVirtualOrDiff * [NOD-1420] Outpoint.ID -> TransactionID * [NOD-1420] Fix Stringer tests * [NOD-1420] Copy hash.FromString into utils * [NOD-1420] SetParents should return an error * [NOD-1420] Remove all reachabilityManager references from consensusStateManager * [NOD-1420] Remove VirtualData. Get the info from the stores where needed * [NOD-1420] Invert parameters to IsAncestorOf * [NOD-1420] Use model.AcceptanceData * [NOD-1420] Don't return accumulatedMassBefore in error cases * [NOD-1420] Don't expect store functions to return nil when the requested data was found - instead add HasXXX functions * [NOD-1420] addTransactionToMultiset sets isCoinbase properly * [NOD-1420] expected hash string length is externalapi.DomainHashSize * 2 * [NOD-1420] Rename reachabilityTree -> reachabilityManager + updateReindexRoot if isNextVirtualSelectedParent * [NOD-1420] ValidateCoinbaseTransaction in csm.verifyAndBuildUTXO * [NOD-1420] Re-write HAsUTXODiffChild * [NOD-1420] delete past_utxo.go.bak * [NOD-1420] Implement validateCoinbaseTransaction in CSM * [NOD-1420] Imlemented missing functionality in ValidateTransactionAndPopulateWithConsensusData * [NOD-1420] Moved merge depth logic to MergeDepthManager * [NOD-1420] Add logs
85 lines
2.6 KiB
Go
85 lines
2.6 KiB
Go
package utxoalgebra
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import (
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"reflect"
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"github.com/kaspanet/kaspad/domain/consensus/utils/hashserialization"
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"github.com/kaspanet/kaspad/domain/consensus/utils/transactionhelper"
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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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// DiffClone returns a new UTXODiff which is identical to the given diff
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func DiffClone(diff *model.UTXODiff) *model.UTXODiff {
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clone := &model.UTXODiff{
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ToAdd: collectionClone(diff.ToAdd),
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ToRemove: collectionClone(diff.ToRemove),
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}
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return clone
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}
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// DiffAddTransaction modifies the provided utxoDiff with provided transaction.
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func DiffAddTransaction(utxoDiff *model.UTXODiff, transaction *externalapi.DomainTransaction, blockBlueScore uint64) error {
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for _, input := range transaction.Inputs {
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err := diffRemoveEntry(utxoDiff, &input.PreviousOutpoint, input.UTXOEntry)
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if err != nil {
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return err
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}
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}
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isCoinbase := transactionhelper.IsCoinBase(transaction)
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for i, output := range transaction.Outputs {
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outpoint := &externalapi.DomainOutpoint{
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TransactionID: *hashserialization.TransactionID(transaction),
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Index: uint32(i),
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}
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entry := &externalapi.UTXOEntry{
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Amount: output.Value,
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ScriptPublicKey: output.ScriptPublicKey,
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BlockBlueScore: blockBlueScore,
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IsCoinbase: isCoinbase,
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}
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err := diffAddEntry(utxoDiff, outpoint, entry)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func diffAddEntry(diff *model.UTXODiff, outpoint *externalapi.DomainOutpoint, entry *externalapi.UTXOEntry) error {
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if collectionContainsWithBlueScore(diff.ToRemove, outpoint, entry.BlockBlueScore) {
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collectionRemove(diff.ToRemove, outpoint)
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} else if _, exists := diff.ToAdd[*outpoint]; exists {
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return errors.Errorf("AddEntry: Cannot add outpoint %s twice", outpoint)
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} else {
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collectionAdd(diff.ToAdd, outpoint, entry)
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}
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return nil
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}
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func diffRemoveEntry(diff *model.UTXODiff, outpoint *externalapi.DomainOutpoint, entry *externalapi.UTXOEntry) error {
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if collectionContainsWithBlueScore(diff.ToAdd, outpoint, entry.BlockBlueScore) {
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collectionRemove(diff.ToAdd, outpoint)
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} else if _, exists := diff.ToRemove[*outpoint]; exists {
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return errors.Errorf("removeEntry: Cannot remove outpoint %s twice", outpoint)
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} else {
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collectionAdd(diff.ToRemove, outpoint, entry)
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}
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return nil
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}
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func diffEqual(this *model.UTXODiff, other *model.UTXODiff) bool {
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if this == nil || other == nil {
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return this == other
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}
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return reflect.DeepEqual(this.ToAdd, other.ToAdd) &&
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reflect.DeepEqual(this.ToRemove, other.ToRemove)
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}
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