@ -4,6 +4,7 @@ package txselector
import (
"bytes"
"fmt"
"math/big"
"sort"
@ -14,6 +15,13 @@ import (
"github.com/hermeznetwork/hermez-node/log"
"github.com/hermeznetwork/tracerr"
"github.com/iden3/go-iden3-crypto/babyjub"
"github.com/iden3/go-merkletree/db/pebble"
)
const (
// PathCoordIdxsDB defines the path of the key-value db where the
// CoordIdxs will be stored
PathCoordIdxsDB = "/coordidxs"
)
// txs implements the interface Sort for an array of Tx
@ -29,32 +37,56 @@ func (t txs) Less(i, j int) bool {
return t [ i ] . AbsoluteFee > t [ j ] . AbsoluteFee
}
// TxSelector implements all the functionalities to select the txs for the next batch
type TxSelector struct {
// CoordAccount contains the data of the Coordinator account, that will be used
// to create new transactions of CreateAccountDeposit type to add new TokenID
// accounts for the Coordinator to receive the fees.
type CoordAccount struct {
Addr ethCommon . Address
BJJ * babyjub . PublicKey
AccountCreationAuth [ ] byte
}
// SelectionConfig contains the parameters of configuration of the selection of
// transactions for the next batch
type SelectionConfig struct {
// MaxL1UserTxs is the maximum L1-user-tx for a batch
MaxL1UserTxs uint64
// MaxL1OperatorTxs is the maximum L1-operator-tx for a batch
MaxL1OperatorTxs uint64
// MaxTxs is the maximum txs for a batch
MaxTxs uint64
// MaxL1CoordinatorTxs is the maximum L1-coordinator-tx for a batch
MaxL1CoordinatorTxs uint64
// ProcessTxsConfig contains the config for ProcessTxs
ProcessTxsConfig statedb . ProcessTxsConfig
}
// TxSelector implements all the functionalities to select the txs for the next
// batch
type TxSelector struct {
l2db * l2db . L2DB
localAccountsDB * statedb . LocalStateDB
coordAccount * CoordAccount
coordIdxsDB * pebble . PebbleStorage
}
// NewTxSelector returns a *TxSelector
func NewTxSelector ( dbpath string , synchronizerStateDB * statedb . StateDB , l2 * l2db . L2DB , maxL1UserTxs , maxL1OperatorTxs , maxTxs uint64 ) ( * TxSelector , error ) {
localAccountsDB , err := statedb . NewLocalStateDB ( dbpath , synchronizerStateDB , statedb . TypeTxSelector , 0 ) // without merkletree
func NewTxSelector ( coordAccount * CoordAccount , dbpath string ,
synchronizerStateDB * statedb . StateDB , l2 * l2db . L2DB ) ( * TxSelector , error ) {
localAccountsDB , err := statedb . NewLocalStateDB ( dbpath ,
synchronizerStateDB , statedb . TypeTxSelector , 0 ) // without merkletree
if err != nil {
return nil , tracerr . Wrap ( err )
}
coordIdxsDB , err := pebble . NewPebbleStorage ( dbpath + PathCoordIdxsDB , false )
if err != nil {
return nil , tracerr . Wrap ( err )
}
return & TxSelector {
MaxL1UserTxs : maxL1UserTxs ,
MaxL1OperatorTxs : maxL1OperatorTxs ,
MaxTxs : maxTxs ,
l2db : l2 ,
localAccountsDB : localAccountsDB ,
l2db : l2 ,
localAccountsDB : localAccountsDB ,
coordAccount : coordAccount ,
coordIdxsDB : coordIdxsDB ,
} , nil
}
@ -73,141 +105,114 @@ func (txsel *TxSelector) Reset(batchNum common.BatchNum) error {
return nil
}
// AddCoordIdxs stores the given TokenID with the correspondent Idx to the
// CoordIdxsDB
func ( txsel * TxSelector ) AddCoordIdxs ( idxs map [ common . TokenID ] common . Idx ) error {
tx , err := txsel . coordIdxsDB . NewTx ( )
if err != nil {
return tracerr . Wrap ( err )
}
for tokenID , idx := range idxs {
idxBytes , err := idx . Bytes ( )
if err != nil {
return tracerr . Wrap ( err )
}
err = tx . Put ( tokenID . Bytes ( ) , idxBytes [ : ] )
if err != nil {
return tracerr . Wrap ( err )
}
}
if err := tx . Commit ( ) ; err != nil {
return tracerr . Wrap ( err )
}
return nil
}
// GetCoordIdxs returns a map with the stored TokenID with the correspondent
// Coordinator Idx
func ( txsel * TxSelector ) GetCoordIdxs ( ) ( map [ common . TokenID ] common . Idx , error ) {
r := make ( map [ common . TokenID ] common . Idx )
err := txsel . coordIdxsDB . Iterate ( func ( tokenIDBytes [ ] byte , idxBytes [ ] byte ) ( bool , error ) {
idx , err := common . IdxFromBytes ( idxBytes )
if err != nil {
return false , tracerr . Wrap ( err )
}
tokenID , err := common . TokenIDFromBytes ( tokenIDBytes )
if err != nil {
return false , tracerr . Wrap ( err )
}
r [ tokenID ] = idx
return true , nil
} )
return r , tracerr . Wrap ( err )
}
// GetL2TxSelection returns the L1CoordinatorTxs and a selection of the L2Txs
// for the next batch, from the L2DB pool
func ( txsel * TxSelector ) GetL2TxSelection ( coordIdxs [ ] common . Idx , batchNum common . BatchNum ) ( [ ] common . L1Tx , [ ] common . PoolL2Tx , error ) {
_ , l1CoordinatorTxs , l2Txs , err := txsel . GetL1L2TxSelection ( coordIdxs , batchNum , [ ] common . L1Tx { } )
return l1CoordinatorTxs , l2Txs , tracerr . Wrap ( err )
func ( txsel * TxSelector ) GetL2TxSelection ( selectionConfig * SelectionConfig ,
batchNum common . BatchNum ) ( [ ] common . Idx , [ ] common . L1Tx , [ ] common . PoolL2Tx , error ) {
coordIdxs , _ , l1CoordinatorTxs , l2Txs , err := txsel . GetL1L2TxSelection ( selectionConfig , batchNum ,
[ ] common . L1Tx { } )
return coordIdxs , l1CoordinatorTxs , l2Txs , tracerr . Wrap ( err )
}
// GetL1L2TxSelection returns the selection of L1 + L2 txs
func ( txsel * TxSelector ) GetL1L2TxSelection ( coordIdxs [ ] common . Idx , batchNum common . BatchNum , l1Txs [ ] common . L1Tx ) ( [ ] common . L1Tx , [ ] common . L1Tx , [ ] common . PoolL2Tx , error ) {
func ( txsel * TxSelector ) GetL1L2TxSelection ( selectionConfig * SelectionConfig ,
batchNum common . BatchNum , l1Txs [ ] common . L1Tx ) ( [ ] common . Idx , [ ] common . L1Tx , [ ] common . L1Tx ,
[ ] common . PoolL2Tx , error ) {
// apply l1-user-tx to localAccountDB
// create new leaves
// update balances
// update nonces
// get existing CoordIdxs
coordIdxsMap , err := txsel . GetCoordIdxs ( )
if err != nil {
return nil , nil , nil , nil , tracerr . Wrap ( err )
}
var coordIdxs [ ] common . Idx
for tokenID := range coordIdxsMap {
coordIdxs = append ( coordIdxs , coordIdxsMap [ tokenID ] )
}
// get pending l2-tx from tx-pool
l2TxsRaw , err := txsel . l2db . GetPendingTxs ( ) // (batchID)
if err != nil {
return nil , nil , nil , tracerr . Wrap ( err )
return nil , nil , nil , nil , tracerr . Wrap ( err )
}
var validTxs txs
var l1CoordinatorTxs [ ] common . L1Tx
positionL1 := len ( l1Txs )
// if tx.ToIdx>=256, tx.ToIdx should exist to localAccountsDB, if so,
// tx is used. if tx.ToIdx==0, check if tx.ToEthAddr/tx.ToBJJ exist in
// localAccountsDB, if yes tx is used; if not, check if tx.ToEthAddr is
// in AccountCreationAuthDB, if so, tx is used and L1CoordinatorTx of
// CreateAccountAndDeposit is created.
for i := 0 ; i < len ( l2TxsRaw ) ; i ++ {
if l2TxsRaw [ i ] . ToIdx == 0 {
if checkAlreadyPendingToCreate ( l1CoordinatorTxs , l2TxsRaw [ i ] . ToEthAddr , l2TxsRaw [ i ] . ToBJJ ) {
// if L2Tx needs a new L1CoordinatorTx of CreateAccount type,
// and a previous L2Tx in the current process already created
// a L1CoordinatorTx of this type, in the DB there still seem
// that needs to create a new L1CoordinatorTx, but as is already
// created, the tx is valid
validTxs = append ( validTxs , l2TxsRaw [ i ] )
continue
}
if ! bytes . Equal ( l2TxsRaw [ i ] . ToEthAddr . Bytes ( ) , common . EmptyAddr . Bytes ( ) ) &&
! bytes . Equal ( l2TxsRaw [ i ] . ToEthAddr . Bytes ( ) , common . FFAddr . Bytes ( ) ) {
// case: ToEthAddr != 0x00 neither 0xff
var accAuth * common . AccountCreationAuth
if l2TxsRaw [ i ] . ToBJJ != nil {
// case: ToBJJ!=0:
// if idx exist for EthAddr&BJJ use it
_ , err := txsel . localAccountsDB . GetIdxByEthAddrBJJ ( l2TxsRaw [ i ] . ToEthAddr , l2TxsRaw [ i ] . ToBJJ , l2TxsRaw [ i ] . TokenID )
if err == nil {
// account for ToEthAddr&ToBJJ already exist,
// there is no need to create a new one.
// tx valid, StateDB will use the ToIdx==0 to define the AuxToIdx
validTxs = append ( validTxs , l2TxsRaw [ i ] )
continue
}
// if not, check if AccountCreationAuth exist for that ToEthAddr&BJJ
// accAuth, err = txsel.l2db.GetAccountCreationAuthBJJ(l2TxsRaw[i].ToEthAddr, l2TxsRaw[i].ToBJJ)
accAuth , err = txsel . l2db . GetAccountCreationAuth ( l2TxsRaw [ i ] . ToEthAddr )
if err != nil {
// not found, l2Tx will not be added in the selection
log . Debugw ( "invalid L2Tx: ToIdx not found in StateDB, neither ToEthAddr & ToBJJ found in AccountCreationAuths L2DB" , "ToIdx" , l2TxsRaw [ i ] . ToIdx , "ToEthAddr" , l2TxsRaw [ i ] . ToEthAddr )
continue
}
if accAuth . BJJ != l2TxsRaw [ i ] . ToBJJ {
// if AccountCreationAuth.BJJ is not the same than in the tx, tx is not accepted
log . Debugw ( "invalid L2Tx: ToIdx not found in StateDB, neither ToEthAddr & ToBJJ found in AccountCreationAuths L2DB" , "ToIdx" , l2TxsRaw [ i ] . ToIdx , "ToEthAddr" , l2TxsRaw [ i ] . ToEthAddr , "ToBJJ" , l2TxsRaw [ i ] . ToBJJ )
continue
}
validTxs = append ( validTxs , l2TxsRaw [ i ] )
} else {
// case: ToBJJ==0:
// if idx exist for EthAddr use it
_ , err := txsel . localAccountsDB . GetIdxByEthAddr ( l2TxsRaw [ i ] . ToEthAddr , l2TxsRaw [ i ] . TokenID )
if err == nil {
// account for ToEthAddr already exist,
// there is no need to create a new one.
// tx valid, StateDB will use the ToIdx==0 to define the AuxToIdx
validTxs = append ( validTxs , l2TxsRaw [ i ] )
continue
}
// if not, check if AccountCreationAuth exist for that ToEthAddr
accAuth , err = txsel . l2db . GetAccountCreationAuth ( l2TxsRaw [ i ] . ToEthAddr )
if err != nil {
// not found, l2Tx will not be added in the selection
log . Debugw ( "invalid L2Tx: ToIdx not found in StateDB, neither ToEthAddr found in AccountCreationAuths L2DB" , "ToIdx" , l2TxsRaw [ i ] . ToIdx , "ToEthAddr" , l2TxsRaw [ i ] . ToEthAddr )
continue
}
validTxs = append ( validTxs , l2TxsRaw [ i ] )
}
// create L1CoordinatorTx for the accountCreation
l1CoordinatorTx := common . L1Tx {
Position : positionL1 ,
UserOrigin : false ,
FromEthAddr : accAuth . EthAddr ,
FromBJJ : accAuth . BJJ ,
TokenID : l2TxsRaw [ i ] . TokenID ,
DepositAmount : big . NewInt ( 0 ) ,
Type : common . TxTypeCreateAccountDeposit ,
}
positionL1 ++
l1CoordinatorTxs = append ( l1CoordinatorTxs , l1CoordinatorTx )
} else if bytes . Equal ( l2TxsRaw [ i ] . ToEthAddr . Bytes ( ) , common . FFAddr . Bytes ( ) ) && l2TxsRaw [ i ] . ToBJJ != nil {
// if idx exist for EthAddr&BJJ use it
_ , err := txsel . localAccountsDB . GetIdxByEthAddrBJJ ( l2TxsRaw [ i ] . ToEthAddr , l2TxsRaw [ i ] . ToBJJ , l2TxsRaw [ i ] . TokenID )
if err == nil {
// account for ToEthAddr&ToBJJ already exist, (where ToEthAddr==0xff)
// there is no need to create a new one.
// tx valid, StateDB will use the ToIdx==0 to define the AuxToIdx
validTxs = append ( validTxs , l2TxsRaw [ i ] )
continue
}
// if idx don't exist for EthAddr&BJJ,
// coordinator can create a new account without
// L1Authorization, as ToEthAddr==0xff
// create L1CoordinatorTx for the accountCreation
l1CoordinatorTx := common . L1Tx {
Position : positionL1 ,
UserOrigin : false ,
FromEthAddr : l2TxsRaw [ i ] . ToEthAddr ,
FromBJJ : l2TxsRaw [ i ] . ToBJJ ,
TokenID : l2TxsRaw [ i ] . TokenID ,
DepositAmount : big . NewInt ( 0 ) ,
Type : common . TxTypeCreateAccountDeposit ,
}
positionL1 ++
l1CoordinatorTxs = append ( l1CoordinatorTxs , l1CoordinatorTx )
// If tx.ToIdx>=256, tx.ToIdx should exist to localAccountsDB,
// if so, tx is used. If tx.ToIdx==0, for an L2Tx will be the
// case of TxToEthAddr or TxToBJJ, check if
// tx.ToEthAddr/tx.ToBJJ exist in localAccountsDB, if yes tx is
// used; if not, check if tx.ToEthAddr is in
// AccountCreationAuthDB, if so, tx is used and L1CoordinatorTx
// of CreateAccountAndDeposit is created. If tx.ToIdx==1, is a
// Exit type and is used.
if l2TxsRaw [ i ] . ToIdx == 0 { // ToEthAddr/ToBJJ case
validTxs , l1CoordinatorTxs , positionL1 , err =
txsel . processTxToEthAddrBJJ ( validTxs , l1CoordinatorTxs ,
positionL1 , l2TxsRaw [ i ] )
if err != nil {
log . Debug ( err )
}
} else if l2TxsRaw [ i ] . ToIdx >= common . IdxUserThreshold {
_ , err = txsel . localAccountsDB . GetAccount ( l2TxsRaw [ i ] . ToIdx )
if err != nil {
// tx not valid
log . Debugw ( "invalid L2Tx: ToIdx not found in StateDB" , "ToIdx" , l2TxsRaw [ i ] . ToIdx )
log . Debugw ( "invalid L2Tx: ToIdx not found in StateDB" ,
"ToIdx" , l2TxsRaw [ i ] . ToIdx )
continue
}
// TODO if EthAddr!=0 or BJJ!=0, check that ToIdxAccount.EthAddr or BJJ
// Account found in the DB, include the l2Tx in the selection
validTxs = append ( validTxs , l2TxsRaw [ i ] )
} else if l2TxsRaw [ i ] . ToIdx == common . Idx ( 1 ) {
@ -217,7 +222,7 @@ func (txsel *TxSelector) GetL1L2TxSelection(coordIdxs []common.Idx, batchNum com
}
// get most profitable L2-tx
maxL2Txs := txsel . MaxTxs - uint64 ( len ( l1CoordinatorTxs ) ) // - len(l1UserTxs) // TODO if there are L1UserTxs take them in to account
maxL2Txs := selectionConfig . ProcessTxsConfig . MaxTx - uint32 ( len ( l1CoordinatorTxs ) ) // - len(l1UserTxs) // TODO if there are L1UserTxs take them in to account
l2Txs := txsel . getL2Profitable ( validTxs , maxL2Txs )
//nolint:gomnd
@ -230,17 +235,130 @@ func (txsel *TxSelector) GetL1L2TxSelection(coordIdxs []common.Idx, batchNum com
// process the txs in the local AccountsDB
_ , err = txsel . localAccountsDB . ProcessTxs ( ptc , coordIdxs , l1Txs , l1CoordinatorTxs , l2Txs )
if err != nil {
return nil , nil , nil , tracerr . Wrap ( err )
return nil , nil , nil , nil , tracerr . Wrap ( err )
}
err = txsel . localAccountsDB . MakeCheckpoint ( )
if err != nil {
return nil , nil , nil , tracerr . Wrap ( err )
return nil , nil , nil , nil , tracerr . Wrap ( err )
}
return nil , l1Txs , l1CoordinatorTxs , l2Txs , nil
}
// processTxsToEthAddrBJJ process the common.PoolL2Tx in the case where
// ToIdx==0, which can be the tx type of ToEthAddr or ToBJJ. If the receiver
// does not have an account yet, a new L1CoordinatorTx of type
// CreateAccountDeposit (with 0 as DepositAmount) is created and added to the
// l1CoordinatorTxs array, and then the PoolL2Tx is added into the validTxs
// array.
func ( txsel * TxSelector ) processTxToEthAddrBJJ ( validTxs txs , l1CoordinatorTxs [ ] common . L1Tx ,
positionL1 int , l2Tx common . PoolL2Tx ) ( txs , [ ] common . L1Tx , int , error ) {
// if L2Tx needs a new L1CoordinatorTx of CreateAccount type, and a
// previous L2Tx in the current process already created a
// L1CoordinatorTx of this type, in the DB there still seem that needs
// to create a new L1CoordinatorTx, but as is already created, the tx
// is valid
if checkAlreadyPendingToCreate ( l1CoordinatorTxs , l2Tx . ToEthAddr , l2Tx . ToBJJ ) {
validTxs = append ( validTxs , l2Tx )
return validTxs , l1CoordinatorTxs , positionL1 , nil
}
if ! bytes . Equal ( l2Tx . ToEthAddr . Bytes ( ) , common . EmptyAddr . Bytes ( ) ) &&
! bytes . Equal ( l2Tx . ToEthAddr . Bytes ( ) , common . FFAddr . Bytes ( ) ) {
// case: ToEthAddr != 0x00 neither 0xff
var accAuth * common . AccountCreationAuth
if l2Tx . ToBJJ != nil {
// case: ToBJJ!=0:
// if idx exist for EthAddr&BJJ use it
_ , err := txsel . localAccountsDB . GetIdxByEthAddrBJJ ( l2Tx . ToEthAddr ,
l2Tx . ToBJJ , l2Tx . TokenID )
if err == nil {
// account for ToEthAddr&ToBJJ already exist,
// there is no need to create a new one.
// tx valid, StateDB will use the ToIdx==0 to define the AuxToIdx
validTxs = append ( validTxs , l2Tx )
return validTxs , l1CoordinatorTxs , positionL1 , nil
}
// if not, check if AccountCreationAuth exist for that
// ToEthAddr
accAuth , err = txsel . l2db . GetAccountCreationAuth ( l2Tx . ToEthAddr )
if err != nil {
// not found, l2Tx will not be added in the selection
return validTxs , l1CoordinatorTxs , positionL1 , tracerr . Wrap ( fmt . Errorf ( "invalid L2Tx: ToIdx not found in StateDB, neither ToEthAddr found in AccountCreationAuths L2DB. ToIdx: %d, ToEthAddr: %s" ,
l2Tx . ToIdx , l2Tx . ToEthAddr . Hex ( ) ) )
}
if accAuth . BJJ != l2Tx . ToBJJ {
// if AccountCreationAuth.BJJ is not the same
// than in the tx, tx is not accepted
return validTxs , l1CoordinatorTxs , positionL1 , tracerr . Wrap ( fmt . Errorf ( "invalid L2Tx: ToIdx not found in StateDB, neither ToEthAddr & ToBJJ found in AccountCreationAuths L2DB. ToIdx: %d, ToEthAddr: %s, ToBJJ: %s" ,
l2Tx . ToIdx , l2Tx . ToEthAddr . Hex ( ) , l2Tx . ToBJJ . String ( ) ) )
}
validTxs = append ( validTxs , l2Tx )
} else {
// case: ToBJJ==0:
// if idx exist for EthAddr use it
_ , err := txsel . localAccountsDB . GetIdxByEthAddr ( l2Tx . ToEthAddr , l2Tx . TokenID )
if err == nil {
// account for ToEthAddr already exist,
// there is no need to create a new one.
// tx valid, StateDB will use the ToIdx==0 to define the AuxToIdx
validTxs = append ( validTxs , l2Tx )
return validTxs , l1CoordinatorTxs , positionL1 , nil
}
// if not, check if AccountCreationAuth exist for that ToEthAddr
accAuth , err = txsel . l2db . GetAccountCreationAuth ( l2Tx . ToEthAddr )
if err != nil {
// not found, l2Tx will not be added in the selection
return validTxs , l1CoordinatorTxs , positionL1 , tracerr . Wrap ( fmt . Errorf ( "invalid L2Tx: ToIdx not found in StateDB, neither ToEthAddr found in AccountCreationAuths L2DB. ToIdx: %d, ToEthAddr: %s" ,
l2Tx . ToIdx , l2Tx . ToEthAddr ) )
}
validTxs = append ( validTxs , l2Tx )
}
// create L1CoordinatorTx for the accountCreation
l1CoordinatorTx := common . L1Tx {
Position : positionL1 ,
UserOrigin : false ,
FromEthAddr : accAuth . EthAddr ,
FromBJJ : accAuth . BJJ ,
TokenID : l2Tx . TokenID ,
DepositAmount : big . NewInt ( 0 ) ,
Type : common . TxTypeCreateAccountDeposit ,
}
positionL1 ++
l1CoordinatorTxs = append ( l1CoordinatorTxs , l1CoordinatorTx )
} else if bytes . Equal ( l2Tx . ToEthAddr . Bytes ( ) , common . FFAddr . Bytes ( ) ) && l2Tx . ToBJJ != nil {
// if idx exist for EthAddr&BJJ use it
_ , err := txsel . localAccountsDB . GetIdxByEthAddrBJJ ( l2Tx . ToEthAddr , l2Tx . ToBJJ ,
l2Tx . TokenID )
if err == nil {
// account for ToEthAddr&ToBJJ already exist, (where ToEthAddr==0xff)
// there is no need to create a new one.
// tx valid, StateDB will use the ToIdx==0 to define the AuxToIdx
validTxs = append ( validTxs , l2Tx )
return validTxs , l1CoordinatorTxs , positionL1 , nil
}
// if idx don't exist for EthAddr&BJJ,
// coordinator can create a new account without
// L1Authorization, as ToEthAddr==0xff
// create L1CoordinatorTx for the accountCreation
l1CoordinatorTx := common . L1Tx {
Position : positionL1 ,
UserOrigin : false ,
FromEthAddr : l2Tx . ToEthAddr ,
FromBJJ : l2Tx . ToBJJ ,
TokenID : l2Tx . TokenID ,
DepositAmount : big . NewInt ( 0 ) ,
Type : common . TxTypeCreateAccountDeposit ,
}
positionL1 ++
l1CoordinatorTxs = append ( l1CoordinatorTxs , l1CoordinatorTx )
}
return l1Txs , l1CoordinatorTxs , l2Txs , nil
return valid Txs, l1CoordinatorTxs , positionL1 , nil
}
func checkAlreadyPendingToCreate ( l1CoordinatorTxs [ ] common . L1Tx , addr ethCommon . Address , bjj * babyjub . PublicKey ) bool {
func checkAlreadyPendingToCreate ( l1CoordinatorTxs [ ] common . L1Tx ,
addr ethCommon . Address , bjj * babyjub . PublicKey ) bool {
for i := 0 ; i < len ( l1CoordinatorTxs ) ; i ++ {
if bytes . Equal ( l1CoordinatorTxs [ i ] . FromEthAddr . Bytes ( ) , addr . Bytes ( ) ) {
if bjj == nil {
@ -255,7 +373,7 @@ func checkAlreadyPendingToCreate(l1CoordinatorTxs []common.L1Tx, addr ethCommon.
}
// getL2Profitable returns the profitable selection of L2Txssorted by Nonce
func ( txsel * TxSelector ) getL2Profitable ( txs txs , max uint64 ) txs {
func ( txsel * TxSelector ) getL2Profitable ( txs txs , max uint32 ) txs {
sort . Sort ( txs )
if len ( txs ) < int ( max ) {
return txs
Eduard S
4 years ago
GitHub