Merge pull request #261 from hermeznetwork/feature/til-extra

Move logic to extend til blocks to til

common/batch.go

@@ -12,17 +12,18 @@ const batchNumBytesLen = 8
 
 // Batch is a struct that represents Hermez network batch
 type Batch struct {
-	BatchNum      BatchNum             `meddler:"batch_num"`
-	EthBlockNum   int64                `meddler:"eth_block_num"` // Ethereum block in which the batch is forged
-	ForgerAddr    ethCommon.Address    `meddler:"forger_addr"`
-	CollectedFees map[TokenID]*big.Int `meddler:"fees_collected,json"`
-	StateRoot     *big.Int             `meddler:"state_root,bigint"`
-	NumAccounts   int                  `meddler:"num_accounts"`
-	LastIdx       int64                `meddler:"last_idx"`
-	ExitRoot      *big.Int             `meddler:"exit_root,bigint"`
-	ForgeL1TxsNum *int64               `meddler:"forge_l1_txs_num"` // optional, Only when the batch forges L1 txs. Identifier that corresponds to the group of L1 txs forged in the current batch.
-	SlotNum       int64                `meddler:"slot_num"`         // Slot in which the batch is forged
-	TotalFeesUSD  *float64             `meddler:"total_fees_usd"`
+	BatchNum           BatchNum             `meddler:"batch_num"`
+	EthBlockNum        int64                `meddler:"eth_block_num"` // Ethereum block in which the batch is forged
+	ForgerAddr         ethCommon.Address    `meddler:"forger_addr"`
+	CollectedFees      map[TokenID]*big.Int `meddler:"fees_collected,json"`
+	FeeIdxsCoordinator []Idx                `meddler:"fee_idxs_coordinator,json"`
+	StateRoot          *big.Int             `meddler:"state_root,bigint"`
+	NumAccounts        int                  `meddler:"num_accounts"`
+	LastIdx            int64                `meddler:"last_idx"`
+	ExitRoot           *big.Int             `meddler:"exit_root,bigint"`
+	ForgeL1TxsNum      *int64               `meddler:"forge_l1_txs_num"` // optional, Only when the batch forges L1 txs. Identifier that corresponds to the group of L1 txs forged in the current batch.
+	SlotNum            int64                `meddler:"slot_num"`         // Slot in which the batch is forged
+	TotalFeesUSD       *float64             `meddler:"total_fees_usd"`
 }
 
 // BatchNum identifies a batch

db/historydb/historydb.go

@@ -278,7 +278,7 @@ func (hdb *HistoryDB) GetAllBatches() ([]common.Batch, error) {
 	err := meddler.QueryAll(
 		hdb.db, &batches,
 		`SELECT batch.batch_num, batch.eth_block_num, batch.forger_addr, batch.fees_collected,
-		 batch.state_root, batch.num_accounts, batch.last_idx, batch.exit_root,
+		 batch.fee_idxs_coordinator, batch.state_root, batch.num_accounts, batch.last_idx, batch.exit_root,
 		 batch.forge_l1_txs_num, batch.slot_num, batch.total_fees_usd FROM batch;`,
 	)
 	return db.SlicePtrsToSlice(batches).([]common.Batch), err

db/migrations/0001.sql

@@ -21,6 +21,7 @@ CREATE TABLE batch (
     eth_block_num BIGINT NOT NULL REFERENCES block (eth_block_num) ON DELETE CASCADE,
     forger_addr BYTEA NOT NULL, -- fake foreign key for coordinator
     fees_collected BYTEA NOT NULL,
+    fee_idxs_coordinator BYTEA NOT NULL,
     state_root BYTEA NOT NULL,
     num_accounts BIGINT NOT NULL,
     last_idx BIGINT NOT NULL,

synchronizer/synchronizer.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
+	"math/big"
 
 	"github.com/ethereum/go-ethereum"
 	"github.com/hermeznetwork/hermez-node/common"
@@ -467,6 +468,8 @@ func (s *Synchronizer) rollupSync(ethBlock *common.Block) (*common.RollupData, e
 
 		for i := range processTxsOut.CreatedAccounts {
 			createdAccount := &processTxsOut.CreatedAccounts[i]
+			createdAccount.Nonce = 0
+			createdAccount.Balance = big.NewInt(0)
 			createdAccount.BatchNum = batchNum
 		}
 		batchData.CreatedAccounts = processTxsOut.CreatedAccounts
@@ -478,16 +481,18 @@ func (s *Synchronizer) rollupSync(ethBlock *common.Block) (*common.RollupData, e
 		}
 
 		// Get Batch information
+		// fmt.Printf("DBG: %#v\n", forgeBatchArgs.FeeIdxCoordinator)
 		batch := common.Batch{
-			BatchNum:      batchNum,
-			EthBlockNum:   blockNum,
-			ForgerAddr:    *sender,
-			CollectedFees: processTxsOut.CollectedFees,
-			StateRoot:     forgeBatchArgs.NewStRoot,
-			NumAccounts:   len(batchData.CreatedAccounts),
-			LastIdx:       forgeBatchArgs.NewLastIdx,
-			ExitRoot:      forgeBatchArgs.NewExitRoot,
-			SlotNum:       slotNum,
+			BatchNum:           batchNum,
+			EthBlockNum:        blockNum,
+			ForgerAddr:         *sender,
+			CollectedFees:      processTxsOut.CollectedFees,
+			FeeIdxsCoordinator: forgeBatchArgs.FeeIdxCoordinator,
+			StateRoot:          forgeBatchArgs.NewStRoot,
+			NumAccounts:        len(batchData.CreatedAccounts),
+			LastIdx:            forgeBatchArgs.NewLastIdx,
+			ExitRoot:           forgeBatchArgs.NewExitRoot,
+			SlotNum:            slotNum,
 		}
 		nextForgeL1TxsNumCpy := nextForgeL1TxsNum
 		if forgeBatchArgs.L1Batch {

synchronizer/synchronizer_test.go

@@ -23,8 +23,6 @@ import (
 )
 
 var tokenConsts = map[common.TokenID]eth.ERC20Consts{}
-var forceExits = map[int64][]common.ExitInfo{} // ForgeL1TxsNum -> []exit
-var nonces = map[common.Idx]common.Nonce{}
 
 type timer struct {
 	time int64
@@ -103,10 +101,8 @@ func checkSyncBlock(t *testing.T, s *Synchronizer, blockNum int, block, syncBloc
 
 	dbL1CoordinatorTxs, err := s.historyDB.GetAllL1CoordinatorTxs()
 	require.Nil(t, err)
-	// fmt.Printf("DBG dbL1CoordinatorTxs: %+v\n", dbL1CoordinatorTxs)
 	dbL2Txs, err := s.historyDB.GetAllL2Txs()
 	require.Nil(t, err)
-	// fmt.Printf("DBG dbL2Txs: %+v\n", dbL2Txs)
 	dbExits, err := s.historyDB.GetAllExits()
 	require.Nil(t, err)
 	// dbL1CoordinatorTxs := []common.L1Tx{}
@@ -125,7 +121,7 @@ func checkSyncBlock(t *testing.T, s *Synchronizer, blockNum int, block, syncBloc
 		// We don't care about TotalFeesUSD.  Use the syncBatch that
 		// has a TotalFeesUSD inserted by the HistoryDB
 		batch.Batch.TotalFeesUSD = syncBatch.Batch.TotalFeesUSD
-		batch.CreatedAccounts = syncBatch.CreatedAccounts // til doesn't output CreatedAccounts
+		assert.Equal(t, batch.CreatedAccounts, syncBatch.CreatedAccounts)
 		batch.Batch.NumAccounts = len(batch.CreatedAccounts)
 
 		// Test field by field to facilitate debugging of errors
@@ -139,12 +135,6 @@ func checkSyncBlock(t *testing.T, s *Synchronizer, blockNum int, block, syncBloc
 			assert.Equal(t, exit.Balance, syncBatch.ExitTree[j].Balance)
 			*exit = syncBatch.ExitTree[j]
 		}
-		// We are collecting fees after blockNum=2 in 2 idxs
-		if block.Block.EthBlockNum > 2 {
-			// fmt.Printf("DBG collectedFees: %+v\n", syncBatch.Batch.CollectedFees)
-			assert.Equal(t, 2, len(syncBatch.Batch.CollectedFees))
-		}
-		batch.Batch.CollectedFees = syncBatch.Batch.CollectedFees
 		assert.Equal(t, batch.Batch, syncBatch.Batch)
 		assert.Equal(t, batch, syncBatch)
 		assert.Equal(t, &batch.Batch, dbBatch) //nolint:gosec
@@ -305,9 +295,12 @@ func TestSync(t *testing.T) {
 		> batchL1 // forge L1UserTxs{nil}, freeze defined L1UserTxs{2}
 		> batchL1 // forge L1UserTxs{2}, freeze defined L1UserTxs{nil}
 		> block // blockNum=3
-
 	`
 	tc := til.NewContext(common.RollupConstMaxL1UserTx)
+	tilCfgExtra := til.ConfigExtra{
+		BootCoordAddr: bootCoordAddr,
+		CoordUser:     "A",
+	}
 	blocks, err := tc.GenerateBlocks(set1)
 	require.Nil(t, err)
 	// Sanity check
@@ -339,6 +332,9 @@ func TestSync(t *testing.T) {
 		}
 	}
 
+	err = tc.FillBlocksExtra(blocks, &tilCfgExtra)
+	assert.Nil(t, err)
+
 	// Add block data to the smart contracts
 	for _, block := range blocks {
 		for _, token := range block.Rollup.AddedTokens {
@@ -352,12 +348,12 @@ func TestSync(t *testing.T) {
 			require.Nil(t, err)
 		}
 		client.CtlSetAddr(bootCoordAddr)
-		feeIdxCoordinator := []common.Idx{}
-		if block.Block.EthBlockNum > 2 {
-			// After blockNum=2 we have some accounts, use them as
-			// coordinator owned to receive fees.
-			feeIdxCoordinator = []common.Idx{common.Idx(256), common.Idx(259)}
-		}
+		// feeIdxCoordinator := []common.Idx{}
+		// if block.Block.EthBlockNum > 2 {
+		// 	// After blockNum=2 we have some accounts, use them as
+		// 	// coordinator owned to receive fees.
+		// 	feeIdxCoordinator = []common.Idx{common.Idx(256), common.Idx(259)}
+		// }
 		for _, batch := range block.Rollup.Batches {
 			_, err := client.RollupForgeBatch(&eth.RollupForgeBatchArgs{
 				NewLastIdx:            batch.Batch.LastIdx,
@@ -366,7 +362,7 @@ func TestSync(t *testing.T) {
 				L1CoordinatorTxs:      batch.L1CoordinatorTxs,
 				L1CoordinatorTxsAuths: [][]byte{}, // Intentionally empty
 				L2TxsData:             batch.L2Txs,
-				FeeIdxCoordinator:     feeIdxCoordinator,
+				FeeIdxCoordinator:     batch.Batch.FeeIdxsCoordinator,
 				// Circuit selector
 				VerifierIdx: 0, // Intentionally empty
 				L1Batch:     batch.L1Batch,
@@ -380,113 +376,6 @@ func TestSync(t *testing.T) {
 		client.CtlMineBlock()
 	}
 
-	// Fill extra fields not generated by til in til block
-	openToForge := int64(0)
-	toForgeL1TxsNum := int64(0)
-	l1UserTxsLen := map[int64]int{} // ForgeL1TxsNum -> len(L1UserTxs)
-	for i := range blocks {
-		block := &blocks[i]
-		// Count number of L1UserTxs in each queue, to figure out later
-		// position of L1CoordinatorTxs and L2Txs
-		for j := range block.Rollup.L1UserTxs {
-			tx := &block.Rollup.L1UserTxs[j]
-			l1UserTxsLen[*tx.ToForgeL1TxsNum]++
-			if tx.Type == common.TxTypeForceExit {
-				forceExits[*tx.ToForgeL1TxsNum] = append(forceExits[*tx.ToForgeL1TxsNum],
-					common.ExitInfo{
-						AccountIdx: tx.FromIdx,
-						Balance:    tx.Amount,
-					})
-			}
-		}
-		for j := range block.Rollup.Batches {
-			batch := &block.Rollup.Batches[j]
-			if batch.L1Batch {
-				// Set BatchNum for forged L1UserTxs to til blocks
-				bn := batch.Batch.BatchNum
-				for k := range blocks {
-					block := &blocks[k]
-					for l := range block.Rollup.L1UserTxs {
-						tx := &block.Rollup.L1UserTxs[l]
-						if *tx.ToForgeL1TxsNum == openToForge {
-							tx.BatchNum = &bn
-						}
-					}
-				}
-				openToForge++
-			}
-
-			batch.Batch.EthBlockNum = block.Block.EthBlockNum
-			batch.Batch.ForgerAddr = bootCoordAddr // til doesn't fill the batch forger addr
-			if batch.L1Batch {
-				toForgeL1TxsNumCpy := toForgeL1TxsNum
-				batch.Batch.ForgeL1TxsNum = &toForgeL1TxsNumCpy // til doesn't fill the ForgeL1TxsNum
-				toForgeL1TxsNum++
-			}
-
-			batchNum := batch.Batch.BatchNum
-			for k := range batch.L1CoordinatorTxs {
-				tx := &batch.L1CoordinatorTxs[k]
-				tx.BatchNum = &batchNum
-				tx.EthBlockNum = batch.Batch.EthBlockNum
-			}
-		}
-	}
-
-	// Fill expected positions in L1CoordinatorTxs and L2Txs
-	for i := range blocks {
-		block := &blocks[i]
-		for j := range block.Rollup.Batches {
-			batch := &block.Rollup.Batches[j]
-			position := 0
-			if batch.L1Batch {
-				position = l1UserTxsLen[*batch.Batch.ForgeL1TxsNum]
-			}
-			for k := range batch.L1CoordinatorTxs {
-				tx := &batch.L1CoordinatorTxs[k]
-				tx.Position = position
-				position++
-				nTx, err := common.NewL1Tx(tx)
-				require.Nil(t, err)
-				*tx = *nTx
-			}
-			for k := range batch.L2Txs {
-				tx := &batch.L2Txs[k]
-				tx.Position = position
-				position++
-				nonces[tx.FromIdx]++
-				tx.Nonce = nonces[tx.FromIdx]
-				nTx, err := common.NewL2Tx(tx)
-				require.Nil(t, err)
-				*tx = *nTx
-			}
-		}
-	}
-
-	// Fill ExitTree (only AccountIdx and Balance)
-	for i := range blocks {
-		block := &blocks[i]
-		for j := range block.Rollup.Batches {
-			batch := &block.Rollup.Batches[j]
-			if batch.L1Batch {
-				for forgeL1TxsNum, exits := range forceExits {
-					if forgeL1TxsNum == *batch.Batch.ForgeL1TxsNum {
-						batch.ExitTree = append(batch.ExitTree, exits...)
-					}
-				}
-			}
-			for k := range batch.L2Txs {
-				tx := &batch.L2Txs[k]
-				if tx.Type == common.TxTypeExit {
-					batch.ExitTree = append(batch.ExitTree, common.ExitInfo{
-						AccountIdx: tx.FromIdx,
-						Balance:    tx.Amount,
-					})
-				}
-			}
-		}
-	}
-
 	//
 	// Sync to synchronize the current state from the test smart contracts,
 	// and check the outcome

test/til/txs.go

@@ -21,7 +21,10 @@ func newBatchData(batchNum int) common.BatchData {
 		L2Txs:            []common.L2Tx{},
 		Batch: common.Batch{
 			BatchNum:  common.BatchNum(batchNum),
-			StateRoot: big.NewInt(0), ExitRoot: big.NewInt(0)},
+			StateRoot: big.NewInt(0), ExitRoot: big.NewInt(0),
+			FeeIdxsCoordinator: make([]common.Idx, 0),
+			CollectedFees:      make(map[common.TokenID]*big.Int),
+		},
 	}
 }
 
@@ -36,13 +39,22 @@ func newBlock(blockNum int64) common.BlockData {
 	}
 }
 
+type contextExtra struct {
+	openToForge     int64
+	toForgeL1TxsNum int64
+	nonces          map[common.Idx]common.Nonce
+	idx             int
+}
+
 // Context contains the data of the test
 type Context struct {
 	Instructions          []instruction
 	userNames             []string
-	Users                 map[string]*User
+	Users                 map[string]*User // Name -> *User
+	usersByIdx            map[int]*User
+	accountsByIdx         map[int]*Account
 	LastRegisteredTokenID common.TokenID
-	l1CreatedAccounts     map[string]*Account
+	l1CreatedAccounts     map[string]*Account // (Name, TokenID) -> *Account
 
 	// rollupConstMaxL1UserTx Maximum L1-user transactions allowed to be queued in a batch
 	rollupConstMaxL1UserTx int
@@ -59,6 +71,8 @@ type Context struct {
 		l2Txs            []L2Tx
 	}
 	blockNum int64
+
+	extra contextExtra
 }
 
 // NewContext returns a new Context
@@ -67,6 +81,8 @@ func NewContext(rollupConstMaxL1UserTx int) *Context {
 	return &Context{
 		Users:                 make(map[string]*User),
 		l1CreatedAccounts:     make(map[string]*Account),
+		usersByIdx:            make(map[int]*User),
+		accountsByIdx:         make(map[int]*Account),
 		LastRegisteredTokenID: 0,
 
 		rollupConstMaxL1UserTx: rollupConstMaxL1UserTx,
@@ -82,17 +98,26 @@ func NewContext(rollupConstMaxL1UserTx int) *Context {
 		openToForge: 1,
 		//nolint:gomnd
 		blockNum: 2, // rollup genesis blockNum
+		extra: contextExtra{
+			openToForge:     0,
+			toForgeL1TxsNum: 0,
+			nonces:          make(map[common.Idx]common.Nonce),
+			idx:             common.UserThreshold,
+		},
 	}
 }
 
 // Account contains the data related to the account for a specific TokenID of a User
 type Account struct {
-	Idx   common.Idx
-	Nonce common.Nonce
+	Idx      common.Idx
+	TokenID  common.TokenID
+	Nonce    common.Nonce
+	BatchNum int
 }
 
 // User contains the data related to a testing user
 type User struct {
+	Name     string
 	BJJ      *babyjub.PrivateKey
 	Addr     ethCommon.Address
 	Accounts map[common.TokenID]*Account
@@ -361,10 +386,14 @@ func (tc *Context) calculateIdxForL1Txs(isCoordinatorTxs bool, txs []L1Tx) error
 				return fmt.Errorf("Can not create same account twice (same User (%s) & same TokenID (%d)) (this is a design property of Til)", tx.fromIdxName, tx.L1Tx.TokenID)
 			}
 			tc.Users[tx.fromIdxName].Accounts[tx.L1Tx.TokenID] = &Account{
-				Idx:   common.Idx(tc.idx),
-				Nonce: common.Nonce(0),
+				Idx:      common.Idx(tc.idx),
+				TokenID:  tx.L1Tx.TokenID,
+				Nonce:    common.Nonce(0),
+				BatchNum: tc.currBatchNum,
 			}
 			tc.l1CreatedAccounts[idxTokenIDToString(tx.fromIdxName, tx.L1Tx.TokenID)] = tc.Users[tx.fromIdxName].Accounts[tx.L1Tx.TokenID]
+			tc.accountsByIdx[tc.idx] = tc.Users[tx.fromIdxName].Accounts[tx.L1Tx.TokenID]
+			tc.usersByIdx[tc.idx] = tc.Users[tx.fromIdxName]
 			tc.idx++
 		}
 		if isCoordinatorTxs {
@@ -606,6 +635,7 @@ func (tc *Context) generateKeys(userNames []string) {
 		addr := ethCrypto.PubkeyToAddress(key.PublicKey)
 
 		u := User{
+			Name:     userNames[i-1],
 			BJJ:      &sk,
 			Addr:     addr,
 			Accounts: make(map[common.TokenID]*Account),
@@ -622,3 +652,205 @@ func L1TxsToCommonL1Txs(l1 []L1Tx) []common.L1Tx {
 	}
 	return r
 }
+
+// ConfigExtra is the configuration used in FillBlocksExtra to extend the
+// blocks returned by til.
+type ConfigExtra struct {
+	// Address to set as forger for each batch
+	BootCoordAddr ethCommon.Address
+	// Coordinator user name used to select the corresponding accounts to
+	// collect coordinator fees
+	CoordUser string
+}
+
+// FillBlocksExtra fills extra fields not generated by til in each block, so
+// that the blockData is closer to what the HistoryDB stores.  The filled fields are:
+// - blocks[].Rollup.L1UserTxs[].BatchNum
+// - blocks[].Rollup.Batch.EthBlockNum
+// - blocks[].Rollup.Batch.ForgerAddr
+// - blocks[].Rollup.Batch.ForgeL1TxsNum
+// - blocks[].Rollup.Batch.L1CoordinatorTxs[].TxID
+// - blocks[].Rollup.Batch.L1CoordinatorTxs[].BatchNum
+// - blocks[].Rollup.Batch.L1CoordinatorTxs[].EthBlockNum
+// - blocks[].Rollup.Batch.L1CoordinatorTxs[].Position
+// - blocks[].Rollup.Batch.L2Txs[].TxID
+// - blocks[].Rollup.Batch.L2Txs[].Position
+// - blocks[].Rollup.Batch.L2Txs[].Nonce
+// - blocks[].Rollup.Batch.ExitTree
+// - blocks[].Rollup.Batch.CreatedAccounts
+// - blocks[].Rollup.Batch.FeeIdxCoordinator
+// - blocks[].Rollup.Batch.CollectedFees
+func (tc *Context) FillBlocksExtra(blocks []common.BlockData, cfg *ConfigExtra) error {
+	// Fill extra fields not generated by til in til block
+	for i := range blocks {
+		block := &blocks[i]
+		for j := range block.Rollup.Batches {
+			batch := &block.Rollup.Batches[j]
+			if batch.L1Batch {
+				// Set BatchNum for forged L1UserTxs to til blocks
+				bn := batch.Batch.BatchNum
+				for k := range blocks {
+					block := &blocks[k]
+					for l := range block.Rollup.L1UserTxs {
+						tx := &block.Rollup.L1UserTxs[l]
+						if *tx.ToForgeL1TxsNum == tc.extra.openToForge {
+							tx.BatchNum = &bn
+						}
+					}
+				}
+				tc.extra.openToForge++
+			}
+
+			batch.Batch.EthBlockNum = block.Block.EthBlockNum
+			// til doesn't fill the batch forger addr
+			batch.Batch.ForgerAddr = cfg.BootCoordAddr
+			if batch.L1Batch {
+				toForgeL1TxsNumCpy := tc.extra.toForgeL1TxsNum
+				// til doesn't fill the ForgeL1TxsNum
+				batch.Batch.ForgeL1TxsNum = &toForgeL1TxsNumCpy
+				tc.extra.toForgeL1TxsNum++
+			}
+
+			batchNum := batch.Batch.BatchNum
+			for k := range batch.L1CoordinatorTxs {
+				tx := &batch.L1CoordinatorTxs[k]
+				tx.BatchNum = &batchNum
+				tx.EthBlockNum = batch.Batch.EthBlockNum
+			}
+		}
+	}
+
+	// Fill CreatedAccounts
+	for i := range blocks {
+		block := &blocks[i]
+		for j := range block.Rollup.Batches {
+			batch := &block.Rollup.Batches[j]
+			l1Txs := []common.L1Tx{}
+			if batch.L1Batch {
+				for _, tx := range tc.Queues[*batch.Batch.ForgeL1TxsNum] {
+					l1Txs = append(l1Txs, tx.L1Tx)
+				}
+			}
+			l1Txs = append(l1Txs, batch.L1CoordinatorTxs...)
+			for k := range l1Txs {
+				tx := &l1Txs[k]
+				if tx.Type == common.TxTypeCreateAccountDeposit ||
+					tx.Type == common.TxTypeCreateAccountDepositTransfer {
+					user, ok := tc.usersByIdx[tc.extra.idx]
+					if !ok {
+						return fmt.Errorf("Created account with idx: %v not found", tc.extra.idx)
+					}
+					batch.CreatedAccounts = append(batch.CreatedAccounts,
+						common.Account{
+							Idx:       common.Idx(tc.extra.idx),
+							TokenID:   tx.TokenID,
+							BatchNum:  batch.Batch.BatchNum,
+							PublicKey: user.BJJ.Public(),
+							EthAddr:   user.Addr,
+							Nonce:     0,
+							Balance:   big.NewInt(0),
+						})
+					tc.extra.idx++
+				}
+			}
+		}
+	}
+
+	// Fill expected positions in L1CoordinatorTxs and L2Txs
+	for i := range blocks {
+		block := &blocks[i]
+		for j := range block.Rollup.Batches {
+			batch := &block.Rollup.Batches[j]
+			position := 0
+			if batch.L1Batch {
+				position = len(tc.Queues[*batch.Batch.ForgeL1TxsNum])
+			}
+			for k := range batch.L1CoordinatorTxs {
+				tx := &batch.L1CoordinatorTxs[k]
+				tx.Position = position
+				position++
+				nTx, err := common.NewL1Tx(tx)
+				if err != nil {
+					return err
+				}
+				*tx = *nTx
+			}
+			for k := range batch.L2Txs {
+				tx := &batch.L2Txs[k]
+				tx.Position = position
+				position++
+				tc.extra.nonces[tx.FromIdx]++
+				tx.Nonce = tc.extra.nonces[tx.FromIdx]
+				nTx, err := common.NewL2Tx(tx)
+				if err != nil {
+					return err
+				}
+				*tx = *nTx
+			}
+		}
+	}
+
+	// Fill ExitTree (only AccountIdx and Balance)
+	for i := range blocks {
+		block := &blocks[i]
+		for j := range block.Rollup.Batches {
+			batch := &block.Rollup.Batches[j]
+			if batch.L1Batch {
+				for _, _tx := range tc.Queues[*batch.Batch.ForgeL1TxsNum] {
+					tx := _tx.L1Tx
+					if tx.Type == common.TxTypeForceExit {
+						batch.ExitTree =
+							append(batch.ExitTree,
+								common.ExitInfo{
+									AccountIdx: tx.FromIdx,
+									Balance:    tx.Amount,
+								})
+					}
+				}
+			}
+			for k := range batch.L2Txs {
+				tx := &batch.L2Txs[k]
+				if tx.Type == common.TxTypeExit {
+					batch.ExitTree = append(batch.ExitTree, common.ExitInfo{
+						AccountIdx: tx.FromIdx,
+						Balance:    tx.Amount,
+					})
+				}
+				fee, err := common.CalcFeeAmount(tx.Amount, tx.Fee)
+				if err != nil {
+					return err
+				}
+
+				// Find the TokenID of the tx
+				fromAcc, ok := tc.accountsByIdx[int(tx.FromIdx)]
+				if !ok {
+					return fmt.Errorf("L2tx.FromIdx idx: %v not found", tx.FromIdx)
+				}
+
+				// Find the idx of the CoordUser for the
+				// TokenID, and if it exists, add the fee to
+				// the collectedFees.  Only consider the
+				// coordinator account to receive fee if it was
+				// created in this or a previous batch
+				if acc, ok := tc.l1CreatedAccounts[idxTokenIDToString(cfg.CoordUser, fromAcc.TokenID)]; ok &&
+					common.BatchNum(acc.BatchNum) <= batch.Batch.BatchNum {
+					found := false
+					for _, idx := range batch.Batch.FeeIdxsCoordinator {
+						if idx == common.Idx(acc.Idx) {
+							found = true
+							break
+						}
+					}
+					if !found {
+						batch.Batch.FeeIdxsCoordinator = append(batch.Batch.FeeIdxsCoordinator,
+							common.Idx(acc.Idx))
+						batch.Batch.CollectedFees[fromAcc.TokenID] = big.NewInt(0)
+					}
+					collected := batch.Batch.CollectedFees[fromAcc.TokenID]
+					collected.Add(collected, fee)
+				}
+			}
+		}
+	}
+	return nil
+}