Add circuit configuration to node config

- Remove MaxL1CoordTxs parameter from the TxSelector because this parameter
  doesn't exist
- Use ChainID in l1tx byte encoding
- Pass txprocessor configuration to batch builder via an existing parameter

common/ethrollup.go

@@ -1,56 +1,14 @@
 package common
 
 import (
+	"fmt"
 	"math/big"
 
 	ethCommon "github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/hermeznetwork/tracerr"
 )
 
-// RollupVars contain the Rollup smart contract variables
-// type RollupVars struct {
-// 	EthBlockNum    uint64
-// 	ForgeL1Timeout *big.Int
-// 	FeeL1UserTx    *big.Int
-// 	FeeAddToken    *big.Int
-// 	TokensHEZ      eth.Address
-// 	Governance     eth.Address
-// }
-
-// AuctionVars contain the Auction smart contract variables
-// type AuctionVars struct {
-// 	EthBlockNum       uint64
-// 	SlotDeadline      uint
-// 	CloseAuctionSlots uint
-// 	OpenAuctionSlots  uint
-// 	Governance        eth.Address
-// 	MinBidSlots       MinBidSlots
-// 	Outbidding        int
-// 	DonationAddress   eth.Address
-// 	GovernanceAddress eth.Address
-// 	AllocationRatio   AllocationRatio
-// }
-
-// WithdrawDelayerVars contains the Withdrawal Delayer smart contract variables
-// type WithdrawDelayerVars struct {
-// 	HermezRollupAddress        eth.Address
-// 	HermezGovernanceAddress eth.Address
-// 	EmergencyCouncilAddress      eth.Address
-// 	WithdrawalDelay            uint
-// 	EmergencyModeStartingTime  time.Time
-// 	EmergencyModeEnabled       bool
-// }
-
-// MinBidSlots TODO
-// type MinBidSlots [6]uint
-//
-// // AllocationRatio TODO
-// type AllocationRatio struct {
-// 	Donation uint
-// 	Burn     uint
-// 	Forger   uint
-// }
-
 const (
 	// RollupConstMaxFeeIdxCoordinator is the maximum number of tokens the
 	// coordinator can use to collect fees (determines the number of tokens
@@ -146,6 +104,18 @@ type RollupConstants struct {
 	WithdrawDelayerContract     ethCommon.Address      `json:"withdrawDelayerContract"`
 }
 
+// FindVerifierIdx tries to find a matching verifier in the RollupConstants and
+// returns its index
+func (c *RollupConstants) FindVerifierIdx(MaxTx, NLevels int64) (int, error) {
+	for i, verifier := range c.Verifiers {
+		if verifier.MaxTx == MaxTx && verifier.NLevels == NLevels {
+			return i, nil
+		}
+	}
+	return 0, tracerr.Wrap(fmt.Errorf("verifier not found for MaxTx: %v, NLevels: %v",
+		MaxTx, NLevels))
+}
+
 // BucketParams are the parameter variables of each Bucket of Rollup Smart
 // Contract
 type BucketParams struct {