You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
564 lines
17 KiB
564 lines
17 KiB
package blockchain
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/gob"
|
|
"encoding/hex"
|
|
"errors"
|
|
"fmt"
|
|
"sync"
|
|
|
|
"github.com/dedis/kyber/sign/schnorr"
|
|
"github.com/harmony-one/harmony/crypto"
|
|
"github.com/harmony-one/harmony/log"
|
|
)
|
|
|
|
// Vout2AmountMap is a TODO type.
|
|
type Vout2AmountMap = map[uint32]int
|
|
|
|
// TXHash2Vout2AmountMap is a TODO type.
|
|
type TXHash2Vout2AmountMap = map[string]Vout2AmountMap
|
|
|
|
// UtxoMap is a TODO type.
|
|
type UtxoMap = map[[20]byte]TXHash2Vout2AmountMap
|
|
|
|
// UTXOPool stores transactions and balance associated with each address.
|
|
type UTXOPool struct {
|
|
// Mapping from address to a map of transaction id to a map of the index of output
|
|
// array in that transaction to that balance.
|
|
/*
|
|
The 3-d map's structure:
|
|
address - [
|
|
txID1 - [
|
|
outputIndex1 - value1
|
|
outputIndex2 - value2
|
|
]
|
|
txID2 - [
|
|
outputIndex1 - value1
|
|
outputIndex2 - value2
|
|
]
|
|
]
|
|
*/
|
|
UtxoMap UtxoMap
|
|
LockedUtxoMap UtxoMap
|
|
ShardID uint32
|
|
mutex sync.Mutex
|
|
}
|
|
|
|
// MergeUtxoMap merges the utxoMap into that of the UtxoPool
|
|
func (utxoPool *UTXOPool) MergeUtxoMap(utxoMap UtxoMap) {
|
|
for address, txHash2Vout2AmountMap := range utxoMap {
|
|
clientTxHashMap, ok := utxoPool.UtxoMap[address]
|
|
if ok {
|
|
for txHash, vout2AmountMap := range txHash2Vout2AmountMap {
|
|
clientVout2AmountMap, ok := clientTxHashMap[txHash]
|
|
if ok {
|
|
for vout, amount := range vout2AmountMap {
|
|
clientVout2AmountMap[vout] = amount
|
|
}
|
|
} else {
|
|
clientTxHashMap[txHash] = vout2AmountMap
|
|
}
|
|
|
|
}
|
|
} else {
|
|
utxoPool.UtxoMap[address] = txHash2Vout2AmountMap
|
|
}
|
|
}
|
|
}
|
|
|
|
// GetUtxoMapByAddresses gets the Utxo map for specific addresses
|
|
func (utxoPool *UTXOPool) GetUtxoMapByAddresses(addresses [][20]byte) UtxoMap {
|
|
result := make(UtxoMap)
|
|
for _, address := range addresses {
|
|
utxos, ok := utxoPool.UtxoMap[address]
|
|
if ok {
|
|
result[address] = utxos
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
// VerifyTransactions verifies if a list of transactions valid for this shard.
|
|
func (utxoPool *UTXOPool) VerifyTransactions(transactions []*Transaction) bool {
|
|
spentTXOs := make(map[[20]byte]map[string]map[uint32]bool)
|
|
if utxoPool != nil {
|
|
for _, tx := range transactions {
|
|
if crossShard, err := utxoPool.VerifyOneTransaction(tx, &spentTXOs); !crossShard && err != nil {
|
|
return false
|
|
}
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
// VerifyStateBlock verifies if the given state block matches the current utxo pool.
|
|
func (utxoPool *UTXOPool) VerifyStateBlock(stateBlock *Block) bool {
|
|
accountBalanceInUtxoPool := make(map[[20]byte]int)
|
|
|
|
for address, txHash2Vout2AmountMap := range utxoPool.UtxoMap {
|
|
for _, vout2AmountMap := range txHash2Vout2AmountMap {
|
|
for _, amount := range vout2AmountMap {
|
|
accountBalanceInUtxoPool[address] = accountBalanceInUtxoPool[address] + amount
|
|
}
|
|
}
|
|
}
|
|
for _, transaction := range stateBlock.Transactions {
|
|
for _, txOutput := range transaction.TxOutput {
|
|
if txOutput.ShardID != utxoPool.ShardID {
|
|
return false
|
|
}
|
|
accountBalanceInUtxoPool[txOutput.Address] = accountBalanceInUtxoPool[txOutput.Address] - txOutput.Amount
|
|
}
|
|
}
|
|
|
|
for _, amount := range accountBalanceInUtxoPool {
|
|
if amount != 0 {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
// VerifyOneTransaction verifies if a list of transactions valid.
|
|
// Add another sanity check function (e.g. spending the same utxo) called before this one.
|
|
func (utxoPool *UTXOPool) VerifyOneTransaction(tx *Transaction, spentTXOs *map[[20]byte]map[string]map[uint32]bool) (crossShard bool, err error) {
|
|
var nilPubKey [32]byte
|
|
// TODO(ricl): remove. just for btc replay.
|
|
if tx.PublicKey == nilPubKey {
|
|
return false, nil
|
|
}
|
|
if len(tx.Proofs) > 1 {
|
|
return utxoPool.VerifyUnlockTransaction(tx)
|
|
}
|
|
|
|
if spentTXOs == nil {
|
|
spentTXOs = &map[[20]byte]map[string]map[uint32]bool{}
|
|
}
|
|
inTotal := 0
|
|
// Calculate the sum of TxInput
|
|
for _, in := range tx.TxInput {
|
|
// Only check the input for my own shard.
|
|
if in.ShardID != utxoPool.ShardID {
|
|
crossShard = true
|
|
continue
|
|
}
|
|
|
|
inTxID := hex.EncodeToString(in.PreviousOutPoint.TxID[:])
|
|
index := in.PreviousOutPoint.Index
|
|
// Check if the transaction with the address is spent or not.
|
|
if val, ok := (*spentTXOs)[in.Address][inTxID][index]; ok {
|
|
if val {
|
|
return crossShard, errors.New("TxInput is already spent")
|
|
}
|
|
}
|
|
// Mark the transactions with the address and index spent.
|
|
if _, ok := (*spentTXOs)[in.Address]; !ok {
|
|
(*spentTXOs)[in.Address] = make(map[string]map[uint32]bool)
|
|
}
|
|
if _, ok := (*spentTXOs)[in.Address][inTxID]; !ok {
|
|
(*spentTXOs)[in.Address][inTxID] = make(map[uint32]bool)
|
|
}
|
|
(*spentTXOs)[in.Address][inTxID][index] = true
|
|
|
|
// Sum the balance up to the inTotal.
|
|
utxoPool.mutex.Lock()
|
|
if val, ok := utxoPool.UtxoMap[in.Address][inTxID][index]; ok {
|
|
inTotal += val
|
|
} else {
|
|
utxoPool.mutex.Unlock()
|
|
return crossShard, errors.New("Specified TxInput does not exist in utxo pool")
|
|
}
|
|
utxoPool.mutex.Unlock()
|
|
}
|
|
|
|
outTotal := 0
|
|
// Calculate the sum of TxOutput
|
|
for _, out := range tx.TxOutput {
|
|
outTotal += out.Amount
|
|
|
|
if out.ShardID != utxoPool.ShardID {
|
|
crossShard = true
|
|
}
|
|
}
|
|
|
|
// TODO: improve this checking logic
|
|
if (crossShard && inTotal > outTotal) || (!crossShard && inTotal != outTotal) {
|
|
return crossShard, errors.New("Input and output amount doesn't match")
|
|
}
|
|
|
|
if inTotal == 0 {
|
|
return false, errors.New("Input amount is 0") // Here crossShard is false, because if there is no business for this shard, it's effectively not crossShard no matter what.
|
|
}
|
|
|
|
// Verify the signature
|
|
pubKey := crypto.Ed25519Curve.Point()
|
|
tempErr := pubKey.UnmarshalBinary(tx.PublicKey[:])
|
|
if tempErr != nil {
|
|
log.Error("Failed to deserialize public key", "error", tempErr)
|
|
}
|
|
tempErr = schnorr.Verify(crypto.Ed25519Curve, pubKey, tx.GetContentToVerify(), tx.Signature[:])
|
|
if tempErr != nil {
|
|
log.Error("Failed to verify signature", "error", tempErr, "public key", pubKey, "pubKey in bytes", tx.PublicKey[:])
|
|
return crossShard, errors.New("Invalid signature")
|
|
}
|
|
return crossShard, nil
|
|
}
|
|
|
|
// VerifyUnlockTransaction verifies a cross shard transaction that contains proofs for unlock-to-commit/abort.
|
|
func (utxoPool *UTXOPool) VerifyUnlockTransaction(tx *Transaction) (crossShard bool, err error) {
|
|
err = nil
|
|
crossShard = false // unlock transaction is treated as crossShard=false because it will be finalized now (doesn't need more steps)
|
|
txInputs := make(map[TXInput]bool)
|
|
for _, curProof := range tx.Proofs {
|
|
for _, txInput := range curProof.TxInput {
|
|
txInputs[txInput] = true
|
|
}
|
|
}
|
|
for _, txInput := range tx.TxInput {
|
|
val, ok := txInputs[txInput]
|
|
if !ok || !val {
|
|
err = errors.New("Invalid unlock transaction: not all proofs are provided for tx inputs")
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// Update updates Utxo balances with a list of new transactions.
|
|
func (utxoPool *UTXOPool) Update(transactions []*Transaction) {
|
|
if utxoPool != nil {
|
|
for _, tx := range transactions {
|
|
utxoPool.UpdateOneTransaction(tx)
|
|
}
|
|
}
|
|
}
|
|
|
|
// UpdateOneTransaction updates utxoPool in respect to the new Transaction.
|
|
func (utxoPool *UTXOPool) UpdateOneTransaction(tx *Transaction) {
|
|
isUnlockTx := len(tx.Proofs) > 1
|
|
unlockToCommit := true
|
|
if isUnlockTx {
|
|
for _, proof := range tx.Proofs {
|
|
if !proof.Accept {
|
|
unlockToCommit = false // if any proof is a rejection, they it's a unlock-to-abort tx. Otherwise, it's unlock-to-commit
|
|
}
|
|
}
|
|
}
|
|
|
|
isCrossShard := false
|
|
// check whether it's a cross shard tx.
|
|
for _, in := range tx.TxInput {
|
|
if in.ShardID != utxoPool.ShardID {
|
|
isCrossShard = true
|
|
break
|
|
}
|
|
}
|
|
for _, out := range tx.TxOutput {
|
|
if out.ShardID != utxoPool.ShardID {
|
|
isCrossShard = true
|
|
break
|
|
}
|
|
}
|
|
|
|
isValidCrossShard := true
|
|
if isCrossShard {
|
|
// Check whether for this cross shard transaction is valid or not.
|
|
for _, in := range tx.TxInput {
|
|
// Only check the input for my own shard.
|
|
if in.ShardID != utxoPool.ShardID {
|
|
continue
|
|
}
|
|
inTxID := hex.EncodeToString(in.PreviousOutPoint.TxID[:])
|
|
if _, ok := utxoPool.UtxoMap[in.Address][inTxID][in.PreviousOutPoint.Index]; !ok {
|
|
isValidCrossShard = false
|
|
}
|
|
}
|
|
}
|
|
|
|
utxoPool.mutex.Lock()
|
|
defer utxoPool.mutex.Unlock()
|
|
if utxoPool != nil {
|
|
txID := hex.EncodeToString(tx.ID[:])
|
|
|
|
// Remove
|
|
if !isUnlockTx {
|
|
if isValidCrossShard {
|
|
for _, in := range tx.TxInput {
|
|
// Only check the input for my own shard.
|
|
if in.ShardID != utxoPool.ShardID {
|
|
continue
|
|
}
|
|
|
|
// NOTE: for the locking phase of cross tx, the utxo is simply removed from the pool.
|
|
inTxID := hex.EncodeToString(in.PreviousOutPoint.TxID[:])
|
|
value := utxoPool.UtxoMap[in.Address][inTxID][in.PreviousOutPoint.Index]
|
|
utxoPool.DeleteOneUtxo(in.Address, inTxID, in.PreviousOutPoint.Index)
|
|
if isCrossShard {
|
|
// put the delete (locked) utxo into a separate locked utxo pool
|
|
inTxID := hex.EncodeToString(in.PreviousOutPoint.TxID[:])
|
|
if _, ok := utxoPool.LockedUtxoMap[in.Address]; !ok {
|
|
utxoPool.LockedUtxoMap[in.Address] = make(TXHash2Vout2AmountMap)
|
|
}
|
|
if _, ok := utxoPool.LockedUtxoMap[in.Address][inTxID]; !ok {
|
|
utxoPool.LockedUtxoMap[in.Address][inTxID] = make(Vout2AmountMap)
|
|
}
|
|
utxoPool.LockedUtxoMap[in.Address][inTxID][in.PreviousOutPoint.Index] = value
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Update
|
|
if !isCrossShard || isUnlockTx {
|
|
if !unlockToCommit {
|
|
// unlock-to-abort, bring back (unlock) the utxo input
|
|
for _, in := range tx.TxInput {
|
|
// Only unlock the input for my own shard.
|
|
if in.ShardID != utxoPool.ShardID {
|
|
continue
|
|
}
|
|
|
|
inTxID := hex.EncodeToString(in.PreviousOutPoint.TxID[:])
|
|
|
|
if utxoPool.LockedUtxoExists(in.Address, inTxID, in.PreviousOutPoint.Index) {
|
|
// bring back the locked (removed) utxo
|
|
if _, ok := utxoPool.UtxoMap[in.Address]; !ok {
|
|
utxoPool.UtxoMap[in.Address] = make(TXHash2Vout2AmountMap)
|
|
utxoPool.UtxoMap[in.Address][inTxID] = make(Vout2AmountMap)
|
|
}
|
|
if _, ok := utxoPool.UtxoMap[in.Address][inTxID]; !ok {
|
|
utxoPool.UtxoMap[in.Address][inTxID] = make(Vout2AmountMap)
|
|
}
|
|
value := utxoPool.LockedUtxoMap[in.Address][inTxID][in.PreviousOutPoint.Index]
|
|
utxoPool.UtxoMap[in.Address][inTxID][in.PreviousOutPoint.Index] = value
|
|
|
|
utxoPool.DeleteOneLockedUtxo(in.Address, inTxID, in.PreviousOutPoint.Index)
|
|
}
|
|
}
|
|
} else {
|
|
// normal utxo output update
|
|
for index, out := range tx.TxOutput {
|
|
// Only check the input for my own shard.
|
|
if out.ShardID != utxoPool.ShardID {
|
|
continue
|
|
}
|
|
if _, ok := utxoPool.UtxoMap[out.Address]; !ok {
|
|
utxoPool.UtxoMap[out.Address] = make(TXHash2Vout2AmountMap)
|
|
utxoPool.UtxoMap[out.Address][txID] = make(Vout2AmountMap)
|
|
}
|
|
if _, ok := utxoPool.UtxoMap[out.Address][txID]; !ok {
|
|
utxoPool.UtxoMap[out.Address][txID] = make(Vout2AmountMap)
|
|
}
|
|
utxoPool.UtxoMap[out.Address][txID][uint32(index)] = out.Amount
|
|
}
|
|
if isUnlockTx { // for unlock-to-commit transaction, also need to delete the locked utxo
|
|
for _, in := range tx.TxInput {
|
|
// Only unlock the input for my own shard.
|
|
if in.ShardID != utxoPool.ShardID {
|
|
continue
|
|
}
|
|
|
|
inTxID := hex.EncodeToString(in.PreviousOutPoint.TxID[:])
|
|
utxoPool.DeleteOneLockedUtxo(in.Address, inTxID, in.PreviousOutPoint.Index)
|
|
}
|
|
}
|
|
}
|
|
} // If it's a cross shard locking Tx, then don't update so the input UTXOs are locked (removed), and the money is not spendable until unlock-to-commit or unlock-to-abort
|
|
}
|
|
}
|
|
|
|
// VerifyOneTransactionAndUpdate verifies and update a valid transaction.
|
|
// Return false if the transaction is not valid.
|
|
func (utxoPool *UTXOPool) VerifyOneTransactionAndUpdate(tx *Transaction) bool {
|
|
if _, err := utxoPool.VerifyOneTransaction(tx, nil); err == nil {
|
|
utxoPool.UpdateOneTransaction(tx)
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// VerifyAndUpdate verifies a list of transactions and update utxoPool.
|
|
func (utxoPool *UTXOPool) VerifyAndUpdate(transactions []*Transaction) bool {
|
|
if utxoPool.VerifyTransactions(transactions) {
|
|
utxoPool.Update(transactions)
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
// CreateUTXOPoolFromGenesisBlock a Utxo pool from a genesis block.
|
|
func CreateUTXOPoolFromGenesisBlock(block *Block) *UTXOPool {
|
|
shardID := block.ShardID
|
|
var utxoPool UTXOPool
|
|
utxoPool.UtxoMap = make(UtxoMap)
|
|
utxoPool.LockedUtxoMap = make(UtxoMap)
|
|
for _, tx := range block.Transactions {
|
|
txID := hex.EncodeToString(tx.ID[:])
|
|
for index, out := range tx.TxOutput {
|
|
_, ok := utxoPool.UtxoMap[out.Address]
|
|
if !ok {
|
|
utxoPool.UtxoMap[out.Address] = make(TXHash2Vout2AmountMap)
|
|
}
|
|
|
|
_, ok = utxoPool.UtxoMap[out.Address][txID]
|
|
if !ok {
|
|
utxoPool.UtxoMap[out.Address][txID] = make(Vout2AmountMap)
|
|
}
|
|
utxoPool.UtxoMap[out.Address][txID][uint32(index)] = out.Amount
|
|
}
|
|
}
|
|
utxoPool.ShardID = shardID
|
|
return &utxoPool
|
|
}
|
|
|
|
// SelectTransactionsForNewBlock returns a list of index of valid transactions for the new block.
|
|
func (utxoPool *UTXOPool) SelectTransactionsForNewBlock(transactions []*Transaction, maxNumTxs int) ([]*Transaction, []*Transaction, []*Transaction, []*CrossShardTxAndProof) {
|
|
selected, unselected, invalid, crossShardTxs := []*Transaction{}, []*Transaction{}, []*Transaction{}, []*CrossShardTxAndProof{}
|
|
spentTXOs := make(map[[20]byte]map[string]map[uint32]bool)
|
|
for _, tx := range transactions {
|
|
crossShard, err := utxoPool.VerifyOneTransaction(tx, &spentTXOs)
|
|
|
|
if len(selected) < maxNumTxs {
|
|
//if err != nil && rand.Intn(10) < 1 {
|
|
// log.Warn("Invalid Transaction", "Reason", err)
|
|
//}
|
|
if err == nil || crossShard {
|
|
if crossShard {
|
|
proof := CrossShardTxProof{Accept: err == nil, TxID: tx.ID, TxInput: getShardTxInput(tx, utxoPool.ShardID)}
|
|
txAndProof := CrossShardTxAndProof{tx, &proof}
|
|
crossShardTxs = append(crossShardTxs, &txAndProof)
|
|
tx.Proofs = append(tx.Proofs, proof)
|
|
}
|
|
selected = append(selected, tx)
|
|
} else {
|
|
invalid = append(invalid, tx)
|
|
}
|
|
} else {
|
|
unselected = append(unselected, tx)
|
|
}
|
|
}
|
|
return selected, unselected, invalid, crossShardTxs
|
|
}
|
|
|
|
func getShardTxInput(transaction *Transaction, shardID uint32) []TXInput {
|
|
result := []TXInput{}
|
|
for _, txInput := range transaction.TxInput {
|
|
if txInput.ShardID == shardID {
|
|
result = append(result, txInput)
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
|
|
// DeleteOneUtxo deletes TODO.
|
|
func (utxoPool *UTXOPool) DeleteOneUtxo(address [20]byte, txID string, index uint32) {
|
|
delete(utxoPool.UtxoMap[address][txID], index)
|
|
if len(utxoPool.UtxoMap[address][txID]) == 0 {
|
|
delete(utxoPool.UtxoMap[address], txID)
|
|
if len(utxoPool.UtxoMap[address]) == 0 {
|
|
delete(utxoPool.UtxoMap, address)
|
|
}
|
|
}
|
|
}
|
|
|
|
// LockedUtxoExists checks if the looked utxo exists.
|
|
func (utxoPool *UTXOPool) LockedUtxoExists(address [20]byte, txID string, index uint32) bool {
|
|
_, ok := utxoPool.LockedUtxoMap[address]
|
|
if !ok {
|
|
return false
|
|
}
|
|
_, ok = utxoPool.LockedUtxoMap[address][txID]
|
|
if !ok {
|
|
return false
|
|
}
|
|
_, ok = utxoPool.LockedUtxoMap[address][txID][index]
|
|
return ok
|
|
}
|
|
|
|
// DeleteOneLockedUtxo deletes one balance item of UTXOPool and clean up if possible.
|
|
func (utxoPool *UTXOPool) DeleteOneLockedUtxo(address [20]byte, txID string, index uint32) {
|
|
delete(utxoPool.LockedUtxoMap[address][txID], index)
|
|
if len(utxoPool.LockedUtxoMap[address][txID]) == 0 {
|
|
delete(utxoPool.LockedUtxoMap[address], txID)
|
|
if len(utxoPool.LockedUtxoMap[address]) == 0 {
|
|
delete(utxoPool.LockedUtxoMap, address)
|
|
}
|
|
}
|
|
}
|
|
|
|
// CleanUp cleans up UTXOPool.
|
|
func (utxoPool *UTXOPool) CleanUp() {
|
|
for address, txMap := range utxoPool.UtxoMap {
|
|
for txid, outIndexes := range txMap {
|
|
for index, value := range outIndexes {
|
|
if value == 0 {
|
|
delete(utxoPool.UtxoMap[address][txid], index)
|
|
}
|
|
}
|
|
if len(utxoPool.UtxoMap[address][txid]) == 0 {
|
|
delete(utxoPool.UtxoMap[address], txid)
|
|
}
|
|
}
|
|
if len(utxoPool.UtxoMap[address]) == 0 {
|
|
delete(utxoPool.UtxoMap, address)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Used for debugging.
|
|
func (utxoPool *UTXOPool) String() string {
|
|
return printUtxos(&utxoPool.UtxoMap)
|
|
}
|
|
|
|
// StringOfLockedUtxos is used for debugging.
|
|
func (utxoPool *UTXOPool) StringOfLockedUtxos() string {
|
|
return printUtxos(&utxoPool.LockedUtxoMap)
|
|
}
|
|
|
|
func printUtxos(utxos *UtxoMap) string {
|
|
res := ""
|
|
for address, v1 := range *utxos {
|
|
for txid, v2 := range v1 {
|
|
for index, value := range v2 {
|
|
res += fmt.Sprintf("address: %v, tx id: %v, index: %v, value: %v\n", address, txid, index, value)
|
|
|
|
}
|
|
}
|
|
}
|
|
return res
|
|
}
|
|
|
|
// GetSizeInByteOfUtxoMap gets a snapshot copy of the current pool
|
|
func (utxoPool *UTXOPool) GetSizeInByteOfUtxoMap() int {
|
|
utxoPool.mutex.Lock()
|
|
defer utxoPool.mutex.Unlock()
|
|
byteBuffer := bytes.NewBuffer([]byte{})
|
|
encoder := gob.NewEncoder(byteBuffer)
|
|
encoder.Encode(utxoPool.UtxoMap)
|
|
return len(byteBuffer.Bytes())
|
|
}
|
|
|
|
// CountNumOfUtxos counts the total number of utxos in a pool.
|
|
func (utxoPool *UTXOPool) CountNumOfUtxos() int {
|
|
return countNumOfUtxos(&utxoPool.UtxoMap)
|
|
}
|
|
|
|
// CountNumOfLockedUtxos counts the total number of locked utxos in a pool.
|
|
func (utxoPool *UTXOPool) CountNumOfLockedUtxos() int {
|
|
return countNumOfUtxos(&utxoPool.LockedUtxoMap)
|
|
}
|
|
|
|
func countNumOfUtxos(utxos *UtxoMap) int {
|
|
countAll := 0
|
|
for _, utxoMap := range *utxos {
|
|
for txIDStr, val := range utxoMap {
|
|
_, err := hex.DecodeString(txIDStr)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
countAll += len(val)
|
|
}
|
|
}
|
|
return countAll
|
|
}
|
|
|