Svarog c5707f64dc
[NOD-1420] Implement consensusStateManager (#985)
* [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
2020-11-02 16:18:53 +02:00

49 lines
1.7 KiB
Go

package transactionvalidator
import (
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain/consensus/ruleerrors"
"github.com/kaspanet/kaspad/domain/consensus/utils/constants"
"github.com/kaspanet/kaspad/domain/consensus/utils/estimatedsize"
"github.com/kaspanet/kaspad/domain/consensus/utils/transactionhelper"
"github.com/kaspanet/kaspad/domain/consensus/utils/txscript"
)
func (v *transactionValidator) transactionMassStandalonePart(tx *externalapi.DomainTransaction) uint64 {
size := estimatedsize.TransactionEstimatedSerializedSize(tx)
totalScriptPubKeySize := uint64(0)
for _, output := range tx.Outputs {
totalScriptPubKeySize += uint64(len(output.ScriptPublicKey))
}
return size*constants.MassPerTxByte + totalScriptPubKeySize*constants.MassPerScriptPubKeyByte
}
func (v *transactionValidator) transactionMass(tx *externalapi.DomainTransaction) (uint64, error) {
if transactionhelper.IsCoinBase(tx) {
return 0, nil
}
standaloneMass := v.transactionMassStandalonePart(tx)
sigOpsCount := uint64(0)
var missingOutpoints []externalapi.DomainOutpoint
for _, input := range tx.Inputs {
utxoEntry := input.UTXOEntry
if utxoEntry == nil {
missingOutpoints = append(missingOutpoints, input.PreviousOutpoint)
continue
}
// Count the precise number of signature operations in the
// referenced public key script.
sigScript := input.SignatureScript
isP2SH := txscript.IsPayToScriptHash(utxoEntry.ScriptPublicKey)
sigOpsCount += uint64(txscript.GetPreciseSigOpCount(sigScript, utxoEntry.ScriptPublicKey, isP2SH))
}
if len(missingOutpoints) > 0 {
return 0, ruleerrors.NewErrMissingTxOut(missingOutpoints)
}
return standaloneMass + sigOpsCount*constants.MassPerSigOp, nil
}