Update to follow DB spec

common/smartcontractparams.go

@@ -0,0 +1,21 @@
+package common
+
+import (
+	"math/big"
+
+	eth "github.com/ethereum/go-ethereum/common"
+)
+
+// SmartContractParameters describes the constant values of the parameters of the Hermez smart contracts
+// WARNING: not stable at all
+type SmartContractParameters struct {
+	SlotDuration        uint64      // number of ethereum blocks in a slot
+	Slot0BlockNum       uint64      // ethereum block number of the first slot (slot 0)
+	MaxL1UserTxs        uint64      // maximum number of L1UserTxs that can be queued for a single batch
+	FreeCoordinatorWait uint64      // if the winning coordinator doesn't forge during this number of blocks, anyone can forge
+	ContractAddr        eth.Address // Ethereum address of the rollup smart contract
+	NLevels             uint16      // Heigth of the SMT. This will determine the maximum number of accounts that can coexist in the Hermez network by 2^nLevels
+	MaxTxs              uint16      // Max amount of txs that can be added in a batch, either L1 or L2
+	FeeL1Tx             *big.Int    // amount of eth (in wei) that has to be payed to do a L1 tx
+	FeeDeposit          *big.Int    // amount of eth (in wei) that has to be payed to do a deposit
+}