// Code generated - DO NOT EDIT.
// This file is a generated binding and any manual changes will be lost.

package bindings

import (
	"errors"
	"math/big"
	"strings"

	ethereum "github.com/ethereum/go-ethereum"
	"github.com/ethereum/go-ethereum/accounts/abi"
	"github.com/ethereum/go-ethereum/accounts/abi/bind"
	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/core/types"
	"github.com/ethereum/go-ethereum/event"
)

// Reference imports to suppress errors if they are not otherwise used.
var (
	_ = errors.New
	_ = big.NewInt
	_ = strings.NewReader
	_ = ethereum.NotFound
	_ = bind.Bind
	_ = common.Big1
	_ = types.BloomLookup
	_ = event.NewSubscription
)

// L2StandardBridgeMetaData contains all meta data concerning the L2StandardBridge contract.
var L2StandardBridgeMetaData = &bind.MetaData{
	ABI: "[{\"inputs\":[{\"internalType\":\"addresspayable\",\"name\":\"_otherBridge\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"l1Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"l2Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"name\":\"DepositFinalized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"localToken\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"remoteToken\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"name\":\"ERC20BridgeFinalized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"localToken\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"remoteToken\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"name\":\"ERC20BridgeInitiated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"name\":\"ETHBridgeFinalized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"name\":\"ETHBridgeInitiated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"l1Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"l2Token\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"name\":\"WithdrawalInitiated\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"MESSENGER\",\"outputs\":[{\"internalType\":\"contractCrossDomainMessenger\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"OTHER_BRIDGE\",\"outputs\":[{\"internalType\":\"contractStandardBridge\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_localToken\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_remoteToken\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"_minGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"bridgeERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_localToken\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_remoteToken\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"_minGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"bridgeERC20To\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"_minGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"bridgeETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint32\",\"name\":\"_minGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"bridgeETHTo\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"deposits\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_localToken\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_remoteToken\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"finalizeBridgeERC20\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"finalizeBridgeETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_l1Token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_l2Token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"finalizeDeposit\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"messenger\",\"outputs\":[{\"internalType\":\"contractCrossDomainMessenger\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"version\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_l2Token\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"_minGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"withdraw\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_l2Token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"_minGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"withdrawTo\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}]",
	Bin: 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}

// L2StandardBridgeABI is the input ABI used to generate the binding from.
// Deprecated: Use L2StandardBridgeMetaData.ABI instead.
var L2StandardBridgeABI = L2StandardBridgeMetaData.ABI

// L2StandardBridgeBin is the compiled bytecode used for deploying new contracts.
// Deprecated: Use L2StandardBridgeMetaData.Bin instead.
var L2StandardBridgeBin = L2StandardBridgeMetaData.Bin

// DeployL2StandardBridge deploys a new Ethereum contract, binding an instance of L2StandardBridge to it.
func DeployL2StandardBridge(auth *bind.TransactOpts, backend bind.ContractBackend, _otherBridge common.Address) (common.Address, *types.Transaction, *L2StandardBridge, error) {
	parsed, err := L2StandardBridgeMetaData.GetAbi()
	if err != nil {
		return common.Address{}, nil, nil, err
	}
	if parsed == nil {
		return common.Address{}, nil, nil, errors.New("GetABI returned nil")
	}

	address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex(L2StandardBridgeBin), backend, _otherBridge)
	if err != nil {
		return common.Address{}, nil, nil, err
	}
	return address, tx, &L2StandardBridge{L2StandardBridgeCaller: L2StandardBridgeCaller{contract: contract}, L2StandardBridgeTransactor: L2StandardBridgeTransactor{contract: contract}, L2StandardBridgeFilterer: L2StandardBridgeFilterer{contract: contract}}, nil
}

// L2StandardBridge is an auto generated Go binding around an Ethereum contract.
type L2StandardBridge struct {
	L2StandardBridgeCaller     // Read-only binding to the contract
	L2StandardBridgeTransactor // Write-only binding to the contract
	L2StandardBridgeFilterer   // Log filterer for contract events
}

// L2StandardBridgeCaller is an auto generated read-only Go binding around an Ethereum contract.
type L2StandardBridgeCaller struct {
	contract *bind.BoundContract // Generic contract wrapper for the low level calls
}

// L2StandardBridgeTransactor is an auto generated write-only Go binding around an Ethereum contract.
type L2StandardBridgeTransactor struct {
	contract *bind.BoundContract // Generic contract wrapper for the low level calls
}

// L2StandardBridgeFilterer is an auto generated log filtering Go binding around an Ethereum contract events.
type L2StandardBridgeFilterer struct {
	contract *bind.BoundContract // Generic contract wrapper for the low level calls
}

// L2StandardBridgeSession is an auto generated Go binding around an Ethereum contract,
// with pre-set call and transact options.
type L2StandardBridgeSession struct {
	Contract     *L2StandardBridge // Generic contract binding to set the session for
	CallOpts     bind.CallOpts     // Call options to use throughout this session
	TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
}

// L2StandardBridgeCallerSession is an auto generated read-only Go binding around an Ethereum contract,
// with pre-set call options.
type L2StandardBridgeCallerSession struct {
	Contract *L2StandardBridgeCaller // Generic contract caller binding to set the session for
	CallOpts bind.CallOpts           // Call options to use throughout this session
}

// L2StandardBridgeTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
// with pre-set transact options.
type L2StandardBridgeTransactorSession struct {
	Contract     *L2StandardBridgeTransactor // Generic contract transactor binding to set the session for
	TransactOpts bind.TransactOpts           // Transaction auth options to use throughout this session
}

// L2StandardBridgeRaw is an auto generated low-level Go binding around an Ethereum contract.
type L2StandardBridgeRaw struct {
	Contract *L2StandardBridge // Generic contract binding to access the raw methods on
}

// L2StandardBridgeCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
type L2StandardBridgeCallerRaw struct {
	Contract *L2StandardBridgeCaller // Generic read-only contract binding to access the raw methods on
}

// L2StandardBridgeTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
type L2StandardBridgeTransactorRaw struct {
	Contract *L2StandardBridgeTransactor // Generic write-only contract binding to access the raw methods on
}

// NewL2StandardBridge creates a new instance of L2StandardBridge, bound to a specific deployed contract.
func NewL2StandardBridge(address common.Address, backend bind.ContractBackend) (*L2StandardBridge, error) {
	contract, err := bindL2StandardBridge(address, backend, backend, backend)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridge{L2StandardBridgeCaller: L2StandardBridgeCaller{contract: contract}, L2StandardBridgeTransactor: L2StandardBridgeTransactor{contract: contract}, L2StandardBridgeFilterer: L2StandardBridgeFilterer{contract: contract}}, nil
}

// NewL2StandardBridgeCaller creates a new read-only instance of L2StandardBridge, bound to a specific deployed contract.
func NewL2StandardBridgeCaller(address common.Address, caller bind.ContractCaller) (*L2StandardBridgeCaller, error) {
	contract, err := bindL2StandardBridge(address, caller, nil, nil)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeCaller{contract: contract}, nil
}

// NewL2StandardBridgeTransactor creates a new write-only instance of L2StandardBridge, bound to a specific deployed contract.
func NewL2StandardBridgeTransactor(address common.Address, transactor bind.ContractTransactor) (*L2StandardBridgeTransactor, error) {
	contract, err := bindL2StandardBridge(address, nil, transactor, nil)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeTransactor{contract: contract}, nil
}

// NewL2StandardBridgeFilterer creates a new log filterer instance of L2StandardBridge, bound to a specific deployed contract.
func NewL2StandardBridgeFilterer(address common.Address, filterer bind.ContractFilterer) (*L2StandardBridgeFilterer, error) {
	contract, err := bindL2StandardBridge(address, nil, nil, filterer)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeFilterer{contract: contract}, nil
}

// bindL2StandardBridge binds a generic wrapper to an already deployed contract.
func bindL2StandardBridge(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
	parsed, err := abi.JSON(strings.NewReader(L2StandardBridgeABI))
	if err != nil {
		return nil, err
	}
	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
}

// Call invokes the (constant) contract method with params as input values and
// sets the output to result. The result type might be a single field for simple
// returns, a slice of interfaces for anonymous returns and a struct for named
// returns.
func (_L2StandardBridge *L2StandardBridgeRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
	return _L2StandardBridge.Contract.L2StandardBridgeCaller.contract.Call(opts, result, method, params...)
}

// Transfer initiates a plain transaction to move funds to the contract, calling
// its default method if one is available.
func (_L2StandardBridge *L2StandardBridgeRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.L2StandardBridgeTransactor.contract.Transfer(opts)
}

// Transact invokes the (paid) contract method with params as input values.
func (_L2StandardBridge *L2StandardBridgeRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.L2StandardBridgeTransactor.contract.Transact(opts, method, params...)
}

// Call invokes the (constant) contract method with params as input values and
// sets the output to result. The result type might be a single field for simple
// returns, a slice of interfaces for anonymous returns and a struct for named
// returns.
func (_L2StandardBridge *L2StandardBridgeCallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
	return _L2StandardBridge.Contract.contract.Call(opts, result, method, params...)
}

// Transfer initiates a plain transaction to move funds to the contract, calling
// its default method if one is available.
func (_L2StandardBridge *L2StandardBridgeTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.contract.Transfer(opts)
}

// Transact invokes the (paid) contract method with params as input values.
func (_L2StandardBridge *L2StandardBridgeTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.contract.Transact(opts, method, params...)
}

// MESSENGER is a free data retrieval call binding the contract method 0x927ede2d.
//
// Solidity: function MESSENGER() view returns(address)
func (_L2StandardBridge *L2StandardBridgeCaller) MESSENGER(opts *bind.CallOpts) (common.Address, error) {
	var out []interface{}
	err := _L2StandardBridge.contract.Call(opts, &out, "MESSENGER")

	if err != nil {
		return *new(common.Address), err
	}

	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)

	return out0, err

}

// MESSENGER is a free data retrieval call binding the contract method 0x927ede2d.
//
// Solidity: function MESSENGER() view returns(address)
func (_L2StandardBridge *L2StandardBridgeSession) MESSENGER() (common.Address, error) {
	return _L2StandardBridge.Contract.MESSENGER(&_L2StandardBridge.CallOpts)
}

// MESSENGER is a free data retrieval call binding the contract method 0x927ede2d.
//
// Solidity: function MESSENGER() view returns(address)
func (_L2StandardBridge *L2StandardBridgeCallerSession) MESSENGER() (common.Address, error) {
	return _L2StandardBridge.Contract.MESSENGER(&_L2StandardBridge.CallOpts)
}

// OTHERBRIDGE is a free data retrieval call binding the contract method 0x7f46ddb2.
//
// Solidity: function OTHER_BRIDGE() view returns(address)
func (_L2StandardBridge *L2StandardBridgeCaller) OTHERBRIDGE(opts *bind.CallOpts) (common.Address, error) {
	var out []interface{}
	err := _L2StandardBridge.contract.Call(opts, &out, "OTHER_BRIDGE")

	if err != nil {
		return *new(common.Address), err
	}

	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)

	return out0, err

}

// OTHERBRIDGE is a free data retrieval call binding the contract method 0x7f46ddb2.
//
// Solidity: function OTHER_BRIDGE() view returns(address)
func (_L2StandardBridge *L2StandardBridgeSession) OTHERBRIDGE() (common.Address, error) {
	return _L2StandardBridge.Contract.OTHERBRIDGE(&_L2StandardBridge.CallOpts)
}

// OTHERBRIDGE is a free data retrieval call binding the contract method 0x7f46ddb2.
//
// Solidity: function OTHER_BRIDGE() view returns(address)
func (_L2StandardBridge *L2StandardBridgeCallerSession) OTHERBRIDGE() (common.Address, error) {
	return _L2StandardBridge.Contract.OTHERBRIDGE(&_L2StandardBridge.CallOpts)
}

// Deposits is a free data retrieval call binding the contract method 0x8f601f66.
//
// Solidity: function deposits(address , address ) view returns(uint256)
func (_L2StandardBridge *L2StandardBridgeCaller) Deposits(opts *bind.CallOpts, arg0 common.Address, arg1 common.Address) (*big.Int, error) {
	var out []interface{}
	err := _L2StandardBridge.contract.Call(opts, &out, "deposits", arg0, arg1)

	if err != nil {
		return *new(*big.Int), err
	}

	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)

	return out0, err

}

// Deposits is a free data retrieval call binding the contract method 0x8f601f66.
//
// Solidity: function deposits(address , address ) view returns(uint256)
func (_L2StandardBridge *L2StandardBridgeSession) Deposits(arg0 common.Address, arg1 common.Address) (*big.Int, error) {
	return _L2StandardBridge.Contract.Deposits(&_L2StandardBridge.CallOpts, arg0, arg1)
}

// Deposits is a free data retrieval call binding the contract method 0x8f601f66.
//
// Solidity: function deposits(address , address ) view returns(uint256)
func (_L2StandardBridge *L2StandardBridgeCallerSession) Deposits(arg0 common.Address, arg1 common.Address) (*big.Int, error) {
	return _L2StandardBridge.Contract.Deposits(&_L2StandardBridge.CallOpts, arg0, arg1)
}

// Messenger is a free data retrieval call binding the contract method 0x3cb747bf.
//
// Solidity: function messenger() view returns(address)
func (_L2StandardBridge *L2StandardBridgeCaller) Messenger(opts *bind.CallOpts) (common.Address, error) {
	var out []interface{}
	err := _L2StandardBridge.contract.Call(opts, &out, "messenger")

	if err != nil {
		return *new(common.Address), err
	}

	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)

	return out0, err

}

// Messenger is a free data retrieval call binding the contract method 0x3cb747bf.
//
// Solidity: function messenger() view returns(address)
func (_L2StandardBridge *L2StandardBridgeSession) Messenger() (common.Address, error) {
	return _L2StandardBridge.Contract.Messenger(&_L2StandardBridge.CallOpts)
}

// Messenger is a free data retrieval call binding the contract method 0x3cb747bf.
//
// Solidity: function messenger() view returns(address)
func (_L2StandardBridge *L2StandardBridgeCallerSession) Messenger() (common.Address, error) {
	return _L2StandardBridge.Contract.Messenger(&_L2StandardBridge.CallOpts)
}

// Version is a free data retrieval call binding the contract method 0x54fd4d50.
//
// Solidity: function version() view returns(string)
func (_L2StandardBridge *L2StandardBridgeCaller) Version(opts *bind.CallOpts) (string, error) {
	var out []interface{}
	err := _L2StandardBridge.contract.Call(opts, &out, "version")

	if err != nil {
		return *new(string), err
	}

	out0 := *abi.ConvertType(out[0], new(string)).(*string)

	return out0, err

}

// Version is a free data retrieval call binding the contract method 0x54fd4d50.
//
// Solidity: function version() view returns(string)
func (_L2StandardBridge *L2StandardBridgeSession) Version() (string, error) {
	return _L2StandardBridge.Contract.Version(&_L2StandardBridge.CallOpts)
}

// Version is a free data retrieval call binding the contract method 0x54fd4d50.
//
// Solidity: function version() view returns(string)
func (_L2StandardBridge *L2StandardBridgeCallerSession) Version() (string, error) {
	return _L2StandardBridge.Contract.Version(&_L2StandardBridge.CallOpts)
}

// BridgeERC20 is a paid mutator transaction binding the contract method 0x87087623.
//
// Solidity: function bridgeERC20(address _localToken, address _remoteToken, uint256 _amount, uint32 _minGasLimit, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) BridgeERC20(opts *bind.TransactOpts, _localToken common.Address, _remoteToken common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "bridgeERC20", _localToken, _remoteToken, _amount, _minGasLimit, _extraData)
}

// BridgeERC20 is a paid mutator transaction binding the contract method 0x87087623.
//
// Solidity: function bridgeERC20(address _localToken, address _remoteToken, uint256 _amount, uint32 _minGasLimit, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeSession) BridgeERC20(_localToken common.Address, _remoteToken common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeERC20(&_L2StandardBridge.TransactOpts, _localToken, _remoteToken, _amount, _minGasLimit, _extraData)
}

// BridgeERC20 is a paid mutator transaction binding the contract method 0x87087623.
//
// Solidity: function bridgeERC20(address _localToken, address _remoteToken, uint256 _amount, uint32 _minGasLimit, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) BridgeERC20(_localToken common.Address, _remoteToken common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeERC20(&_L2StandardBridge.TransactOpts, _localToken, _remoteToken, _amount, _minGasLimit, _extraData)
}

// BridgeERC20To is a paid mutator transaction binding the contract method 0x540abf73.
//
// Solidity: function bridgeERC20To(address _localToken, address _remoteToken, address _to, uint256 _amount, uint32 _minGasLimit, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) BridgeERC20To(opts *bind.TransactOpts, _localToken common.Address, _remoteToken common.Address, _to common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "bridgeERC20To", _localToken, _remoteToken, _to, _amount, _minGasLimit, _extraData)
}

// BridgeERC20To is a paid mutator transaction binding the contract method 0x540abf73.
//
// Solidity: function bridgeERC20To(address _localToken, address _remoteToken, address _to, uint256 _amount, uint32 _minGasLimit, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeSession) BridgeERC20To(_localToken common.Address, _remoteToken common.Address, _to common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeERC20To(&_L2StandardBridge.TransactOpts, _localToken, _remoteToken, _to, _amount, _minGasLimit, _extraData)
}

// BridgeERC20To is a paid mutator transaction binding the contract method 0x540abf73.
//
// Solidity: function bridgeERC20To(address _localToken, address _remoteToken, address _to, uint256 _amount, uint32 _minGasLimit, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) BridgeERC20To(_localToken common.Address, _remoteToken common.Address, _to common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeERC20To(&_L2StandardBridge.TransactOpts, _localToken, _remoteToken, _to, _amount, _minGasLimit, _extraData)
}

// BridgeETH is a paid mutator transaction binding the contract method 0x09fc8843.
//
// Solidity: function bridgeETH(uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) BridgeETH(opts *bind.TransactOpts, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "bridgeETH", _minGasLimit, _extraData)
}

// BridgeETH is a paid mutator transaction binding the contract method 0x09fc8843.
//
// Solidity: function bridgeETH(uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeSession) BridgeETH(_minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeETH(&_L2StandardBridge.TransactOpts, _minGasLimit, _extraData)
}

// BridgeETH is a paid mutator transaction binding the contract method 0x09fc8843.
//
// Solidity: function bridgeETH(uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) BridgeETH(_minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeETH(&_L2StandardBridge.TransactOpts, _minGasLimit, _extraData)
}

// BridgeETHTo is a paid mutator transaction binding the contract method 0xe11013dd.
//
// Solidity: function bridgeETHTo(address _to, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) BridgeETHTo(opts *bind.TransactOpts, _to common.Address, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "bridgeETHTo", _to, _minGasLimit, _extraData)
}

// BridgeETHTo is a paid mutator transaction binding the contract method 0xe11013dd.
//
// Solidity: function bridgeETHTo(address _to, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeSession) BridgeETHTo(_to common.Address, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeETHTo(&_L2StandardBridge.TransactOpts, _to, _minGasLimit, _extraData)
}

// BridgeETHTo is a paid mutator transaction binding the contract method 0xe11013dd.
//
// Solidity: function bridgeETHTo(address _to, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) BridgeETHTo(_to common.Address, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.BridgeETHTo(&_L2StandardBridge.TransactOpts, _to, _minGasLimit, _extraData)
}

// FinalizeBridgeERC20 is a paid mutator transaction binding the contract method 0x0166a07a.
//
// Solidity: function finalizeBridgeERC20(address _localToken, address _remoteToken, address _from, address _to, uint256 _amount, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) FinalizeBridgeERC20(opts *bind.TransactOpts, _localToken common.Address, _remoteToken common.Address, _from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "finalizeBridgeERC20", _localToken, _remoteToken, _from, _to, _amount, _extraData)
}

// FinalizeBridgeERC20 is a paid mutator transaction binding the contract method 0x0166a07a.
//
// Solidity: function finalizeBridgeERC20(address _localToken, address _remoteToken, address _from, address _to, uint256 _amount, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeSession) FinalizeBridgeERC20(_localToken common.Address, _remoteToken common.Address, _from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.FinalizeBridgeERC20(&_L2StandardBridge.TransactOpts, _localToken, _remoteToken, _from, _to, _amount, _extraData)
}

// FinalizeBridgeERC20 is a paid mutator transaction binding the contract method 0x0166a07a.
//
// Solidity: function finalizeBridgeERC20(address _localToken, address _remoteToken, address _from, address _to, uint256 _amount, bytes _extraData) returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) FinalizeBridgeERC20(_localToken common.Address, _remoteToken common.Address, _from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.FinalizeBridgeERC20(&_L2StandardBridge.TransactOpts, _localToken, _remoteToken, _from, _to, _amount, _extraData)
}

// FinalizeBridgeETH is a paid mutator transaction binding the contract method 0x1635f5fd.
//
// Solidity: function finalizeBridgeETH(address _from, address _to, uint256 _amount, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) FinalizeBridgeETH(opts *bind.TransactOpts, _from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "finalizeBridgeETH", _from, _to, _amount, _extraData)
}

// FinalizeBridgeETH is a paid mutator transaction binding the contract method 0x1635f5fd.
//
// Solidity: function finalizeBridgeETH(address _from, address _to, uint256 _amount, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeSession) FinalizeBridgeETH(_from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.FinalizeBridgeETH(&_L2StandardBridge.TransactOpts, _from, _to, _amount, _extraData)
}

// FinalizeBridgeETH is a paid mutator transaction binding the contract method 0x1635f5fd.
//
// Solidity: function finalizeBridgeETH(address _from, address _to, uint256 _amount, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) FinalizeBridgeETH(_from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.FinalizeBridgeETH(&_L2StandardBridge.TransactOpts, _from, _to, _amount, _extraData)
}

// FinalizeDeposit is a paid mutator transaction binding the contract method 0x662a633a.
//
// Solidity: function finalizeDeposit(address _l1Token, address _l2Token, address _from, address _to, uint256 _amount, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) FinalizeDeposit(opts *bind.TransactOpts, _l1Token common.Address, _l2Token common.Address, _from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "finalizeDeposit", _l1Token, _l2Token, _from, _to, _amount, _extraData)
}

// FinalizeDeposit is a paid mutator transaction binding the contract method 0x662a633a.
//
// Solidity: function finalizeDeposit(address _l1Token, address _l2Token, address _from, address _to, uint256 _amount, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeSession) FinalizeDeposit(_l1Token common.Address, _l2Token common.Address, _from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.FinalizeDeposit(&_L2StandardBridge.TransactOpts, _l1Token, _l2Token, _from, _to, _amount, _extraData)
}

// FinalizeDeposit is a paid mutator transaction binding the contract method 0x662a633a.
//
// Solidity: function finalizeDeposit(address _l1Token, address _l2Token, address _from, address _to, uint256 _amount, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) FinalizeDeposit(_l1Token common.Address, _l2Token common.Address, _from common.Address, _to common.Address, _amount *big.Int, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.FinalizeDeposit(&_L2StandardBridge.TransactOpts, _l1Token, _l2Token, _from, _to, _amount, _extraData)
}

// Withdraw is a paid mutator transaction binding the contract method 0x32b7006d.
//
// Solidity: function withdraw(address _l2Token, uint256 _amount, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) Withdraw(opts *bind.TransactOpts, _l2Token common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "withdraw", _l2Token, _amount, _minGasLimit, _extraData)
}

// Withdraw is a paid mutator transaction binding the contract method 0x32b7006d.
//
// Solidity: function withdraw(address _l2Token, uint256 _amount, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeSession) Withdraw(_l2Token common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.Withdraw(&_L2StandardBridge.TransactOpts, _l2Token, _amount, _minGasLimit, _extraData)
}

// Withdraw is a paid mutator transaction binding the contract method 0x32b7006d.
//
// Solidity: function withdraw(address _l2Token, uint256 _amount, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) Withdraw(_l2Token common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.Withdraw(&_L2StandardBridge.TransactOpts, _l2Token, _amount, _minGasLimit, _extraData)
}

// WithdrawTo is a paid mutator transaction binding the contract method 0xa3a79548.
//
// Solidity: function withdrawTo(address _l2Token, address _to, uint256 _amount, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) WithdrawTo(opts *bind.TransactOpts, _l2Token common.Address, _to common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.contract.Transact(opts, "withdrawTo", _l2Token, _to, _amount, _minGasLimit, _extraData)
}

// WithdrawTo is a paid mutator transaction binding the contract method 0xa3a79548.
//
// Solidity: function withdrawTo(address _l2Token, address _to, uint256 _amount, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeSession) WithdrawTo(_l2Token common.Address, _to common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.WithdrawTo(&_L2StandardBridge.TransactOpts, _l2Token, _to, _amount, _minGasLimit, _extraData)
}

// WithdrawTo is a paid mutator transaction binding the contract method 0xa3a79548.
//
// Solidity: function withdrawTo(address _l2Token, address _to, uint256 _amount, uint32 _minGasLimit, bytes _extraData) payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) WithdrawTo(_l2Token common.Address, _to common.Address, _amount *big.Int, _minGasLimit uint32, _extraData []byte) (*types.Transaction, error) {
	return _L2StandardBridge.Contract.WithdrawTo(&_L2StandardBridge.TransactOpts, _l2Token, _to, _amount, _minGasLimit, _extraData)
}

// Receive is a paid mutator transaction binding the contract receive function.
//
// Solidity: receive() payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactor) Receive(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _L2StandardBridge.contract.RawTransact(opts, nil) // calldata is disallowed for receive function
}

// Receive is a paid mutator transaction binding the contract receive function.
//
// Solidity: receive() payable returns()
func (_L2StandardBridge *L2StandardBridgeSession) Receive() (*types.Transaction, error) {
	return _L2StandardBridge.Contract.Receive(&_L2StandardBridge.TransactOpts)
}

// Receive is a paid mutator transaction binding the contract receive function.
//
// Solidity: receive() payable returns()
func (_L2StandardBridge *L2StandardBridgeTransactorSession) Receive() (*types.Transaction, error) {
	return _L2StandardBridge.Contract.Receive(&_L2StandardBridge.TransactOpts)
}

// L2StandardBridgeDepositFinalizedIterator is returned from FilterDepositFinalized and is used to iterate over the raw logs and unpacked data for DepositFinalized events raised by the L2StandardBridge contract.
type L2StandardBridgeDepositFinalizedIterator struct {
	Event *L2StandardBridgeDepositFinalized // Event containing the contract specifics and raw log

	contract *bind.BoundContract // Generic contract to use for unpacking event data
	event    string              // Event name to use for unpacking event data

	logs chan types.Log        // Log channel receiving the found contract events
	sub  ethereum.Subscription // Subscription for errors, completion and termination
	done bool                  // Whether the subscription completed delivering logs
	fail error                 // Occurred error to stop iteration
}

// Next advances the iterator to the subsequent event, returning whether there
// are any more events found. In case of a retrieval or parsing error, false is
// returned and Error() can be queried for the exact failure.
func (it *L2StandardBridgeDepositFinalizedIterator) Next() bool {
	// If the iterator failed, stop iterating
	if it.fail != nil {
		return false
	}
	// If the iterator completed, deliver directly whatever's available
	if it.done {
		select {
		case log := <-it.logs:
			it.Event = new(L2StandardBridgeDepositFinalized)
			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
				it.fail = err
				return false
			}
			it.Event.Raw = log
			return true

		default:
			return false
		}
	}
	// Iterator still in progress, wait for either a data or an error event
	select {
	case log := <-it.logs:
		it.Event = new(L2StandardBridgeDepositFinalized)
		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
			it.fail = err
			return false
		}
		it.Event.Raw = log
		return true

	case err := <-it.sub.Err():
		it.done = true
		it.fail = err
		return it.Next()
	}
}

// Error returns any retrieval or parsing error occurred during filtering.
func (it *L2StandardBridgeDepositFinalizedIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *L2StandardBridgeDepositFinalizedIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// L2StandardBridgeDepositFinalized represents a DepositFinalized event raised by the L2StandardBridge contract.
type L2StandardBridgeDepositFinalized struct {
	L1Token   common.Address
	L2Token   common.Address
	From      common.Address
	To        common.Address
	Amount    *big.Int
	ExtraData []byte
	Raw       types.Log // Blockchain specific contextual infos
}

// FilterDepositFinalized is a free log retrieval operation binding the contract event 0xb0444523268717a02698be47d0803aa7468c00acbed2f8bd93a0459cde61dd89.
//
// Solidity: event DepositFinalized(address indexed l1Token, address indexed l2Token, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) FilterDepositFinalized(opts *bind.FilterOpts, l1Token []common.Address, l2Token []common.Address, from []common.Address) (*L2StandardBridgeDepositFinalizedIterator, error) {

	var l1TokenRule []interface{}
	for _, l1TokenItem := range l1Token {
		l1TokenRule = append(l1TokenRule, l1TokenItem)
	}
	var l2TokenRule []interface{}
	for _, l2TokenItem := range l2Token {
		l2TokenRule = append(l2TokenRule, l2TokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.FilterLogs(opts, "DepositFinalized", l1TokenRule, l2TokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeDepositFinalizedIterator{contract: _L2StandardBridge.contract, event: "DepositFinalized", logs: logs, sub: sub}, nil
}

// WatchDepositFinalized is a free log subscription operation binding the contract event 0xb0444523268717a02698be47d0803aa7468c00acbed2f8bd93a0459cde61dd89.
//
// Solidity: event DepositFinalized(address indexed l1Token, address indexed l2Token, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) WatchDepositFinalized(opts *bind.WatchOpts, sink chan<- *L2StandardBridgeDepositFinalized, l1Token []common.Address, l2Token []common.Address, from []common.Address) (event.Subscription, error) {

	var l1TokenRule []interface{}
	for _, l1TokenItem := range l1Token {
		l1TokenRule = append(l1TokenRule, l1TokenItem)
	}
	var l2TokenRule []interface{}
	for _, l2TokenItem := range l2Token {
		l2TokenRule = append(l2TokenRule, l2TokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.WatchLogs(opts, "DepositFinalized", l1TokenRule, l2TokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return event.NewSubscription(func(quit <-chan struct{}) error {
		defer sub.Unsubscribe()
		for {
			select {
			case log := <-logs:
				// New log arrived, parse the event and forward to the user
				event := new(L2StandardBridgeDepositFinalized)
				if err := _L2StandardBridge.contract.UnpackLog(event, "DepositFinalized", log); err != nil {
					return err
				}
				event.Raw = log

				select {
				case sink <- event:
				case err := <-sub.Err():
					return err
				case <-quit:
					return nil
				}
			case err := <-sub.Err():
				return err
			case <-quit:
				return nil
			}
		}
	}), nil
}

// ParseDepositFinalized is a log parse operation binding the contract event 0xb0444523268717a02698be47d0803aa7468c00acbed2f8bd93a0459cde61dd89.
//
// Solidity: event DepositFinalized(address indexed l1Token, address indexed l2Token, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) ParseDepositFinalized(log types.Log) (*L2StandardBridgeDepositFinalized, error) {
	event := new(L2StandardBridgeDepositFinalized)
	if err := _L2StandardBridge.contract.UnpackLog(event, "DepositFinalized", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// L2StandardBridgeERC20BridgeFinalizedIterator is returned from FilterERC20BridgeFinalized and is used to iterate over the raw logs and unpacked data for ERC20BridgeFinalized events raised by the L2StandardBridge contract.
type L2StandardBridgeERC20BridgeFinalizedIterator struct {
	Event *L2StandardBridgeERC20BridgeFinalized // Event containing the contract specifics and raw log

	contract *bind.BoundContract // Generic contract to use for unpacking event data
	event    string              // Event name to use for unpacking event data

	logs chan types.Log        // Log channel receiving the found contract events
	sub  ethereum.Subscription // Subscription for errors, completion and termination
	done bool                  // Whether the subscription completed delivering logs
	fail error                 // Occurred error to stop iteration
}

// Next advances the iterator to the subsequent event, returning whether there
// are any more events found. In case of a retrieval or parsing error, false is
// returned and Error() can be queried for the exact failure.
func (it *L2StandardBridgeERC20BridgeFinalizedIterator) Next() bool {
	// If the iterator failed, stop iterating
	if it.fail != nil {
		return false
	}
	// If the iterator completed, deliver directly whatever's available
	if it.done {
		select {
		case log := <-it.logs:
			it.Event = new(L2StandardBridgeERC20BridgeFinalized)
			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
				it.fail = err
				return false
			}
			it.Event.Raw = log
			return true

		default:
			return false
		}
	}
	// Iterator still in progress, wait for either a data or an error event
	select {
	case log := <-it.logs:
		it.Event = new(L2StandardBridgeERC20BridgeFinalized)
		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
			it.fail = err
			return false
		}
		it.Event.Raw = log
		return true

	case err := <-it.sub.Err():
		it.done = true
		it.fail = err
		return it.Next()
	}
}

// Error returns any retrieval or parsing error occurred during filtering.
func (it *L2StandardBridgeERC20BridgeFinalizedIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *L2StandardBridgeERC20BridgeFinalizedIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// L2StandardBridgeERC20BridgeFinalized represents a ERC20BridgeFinalized event raised by the L2StandardBridge contract.
type L2StandardBridgeERC20BridgeFinalized struct {
	LocalToken  common.Address
	RemoteToken common.Address
	From        common.Address
	To          common.Address
	Amount      *big.Int
	ExtraData   []byte
	Raw         types.Log // Blockchain specific contextual infos
}

// FilterERC20BridgeFinalized is a free log retrieval operation binding the contract event 0xd59c65b35445225835c83f50b6ede06a7be047d22e357073e250d9af537518cd.
//
// Solidity: event ERC20BridgeFinalized(address indexed localToken, address indexed remoteToken, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) FilterERC20BridgeFinalized(opts *bind.FilterOpts, localToken []common.Address, remoteToken []common.Address, from []common.Address) (*L2StandardBridgeERC20BridgeFinalizedIterator, error) {

	var localTokenRule []interface{}
	for _, localTokenItem := range localToken {
		localTokenRule = append(localTokenRule, localTokenItem)
	}
	var remoteTokenRule []interface{}
	for _, remoteTokenItem := range remoteToken {
		remoteTokenRule = append(remoteTokenRule, remoteTokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.FilterLogs(opts, "ERC20BridgeFinalized", localTokenRule, remoteTokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeERC20BridgeFinalizedIterator{contract: _L2StandardBridge.contract, event: "ERC20BridgeFinalized", logs: logs, sub: sub}, nil
}

// WatchERC20BridgeFinalized is a free log subscription operation binding the contract event 0xd59c65b35445225835c83f50b6ede06a7be047d22e357073e250d9af537518cd.
//
// Solidity: event ERC20BridgeFinalized(address indexed localToken, address indexed remoteToken, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) WatchERC20BridgeFinalized(opts *bind.WatchOpts, sink chan<- *L2StandardBridgeERC20BridgeFinalized, localToken []common.Address, remoteToken []common.Address, from []common.Address) (event.Subscription, error) {

	var localTokenRule []interface{}
	for _, localTokenItem := range localToken {
		localTokenRule = append(localTokenRule, localTokenItem)
	}
	var remoteTokenRule []interface{}
	for _, remoteTokenItem := range remoteToken {
		remoteTokenRule = append(remoteTokenRule, remoteTokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.WatchLogs(opts, "ERC20BridgeFinalized", localTokenRule, remoteTokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return event.NewSubscription(func(quit <-chan struct{}) error {
		defer sub.Unsubscribe()
		for {
			select {
			case log := <-logs:
				// New log arrived, parse the event and forward to the user
				event := new(L2StandardBridgeERC20BridgeFinalized)
				if err := _L2StandardBridge.contract.UnpackLog(event, "ERC20BridgeFinalized", log); err != nil {
					return err
				}
				event.Raw = log

				select {
				case sink <- event:
				case err := <-sub.Err():
					return err
				case <-quit:
					return nil
				}
			case err := <-sub.Err():
				return err
			case <-quit:
				return nil
			}
		}
	}), nil
}

// ParseERC20BridgeFinalized is a log parse operation binding the contract event 0xd59c65b35445225835c83f50b6ede06a7be047d22e357073e250d9af537518cd.
//
// Solidity: event ERC20BridgeFinalized(address indexed localToken, address indexed remoteToken, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) ParseERC20BridgeFinalized(log types.Log) (*L2StandardBridgeERC20BridgeFinalized, error) {
	event := new(L2StandardBridgeERC20BridgeFinalized)
	if err := _L2StandardBridge.contract.UnpackLog(event, "ERC20BridgeFinalized", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// L2StandardBridgeERC20BridgeInitiatedIterator is returned from FilterERC20BridgeInitiated and is used to iterate over the raw logs and unpacked data for ERC20BridgeInitiated events raised by the L2StandardBridge contract.
type L2StandardBridgeERC20BridgeInitiatedIterator struct {
	Event *L2StandardBridgeERC20BridgeInitiated // Event containing the contract specifics and raw log

	contract *bind.BoundContract // Generic contract to use for unpacking event data
	event    string              // Event name to use for unpacking event data

	logs chan types.Log        // Log channel receiving the found contract events
	sub  ethereum.Subscription // Subscription for errors, completion and termination
	done bool                  // Whether the subscription completed delivering logs
	fail error                 // Occurred error to stop iteration
}

// Next advances the iterator to the subsequent event, returning whether there
// are any more events found. In case of a retrieval or parsing error, false is
// returned and Error() can be queried for the exact failure.
func (it *L2StandardBridgeERC20BridgeInitiatedIterator) Next() bool {
	// If the iterator failed, stop iterating
	if it.fail != nil {
		return false
	}
	// If the iterator completed, deliver directly whatever's available
	if it.done {
		select {
		case log := <-it.logs:
			it.Event = new(L2StandardBridgeERC20BridgeInitiated)
			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
				it.fail = err
				return false
			}
			it.Event.Raw = log
			return true

		default:
			return false
		}
	}
	// Iterator still in progress, wait for either a data or an error event
	select {
	case log := <-it.logs:
		it.Event = new(L2StandardBridgeERC20BridgeInitiated)
		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
			it.fail = err
			return false
		}
		it.Event.Raw = log
		return true

	case err := <-it.sub.Err():
		it.done = true
		it.fail = err
		return it.Next()
	}
}

// Error returns any retrieval or parsing error occurred during filtering.
func (it *L2StandardBridgeERC20BridgeInitiatedIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *L2StandardBridgeERC20BridgeInitiatedIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// L2StandardBridgeERC20BridgeInitiated represents a ERC20BridgeInitiated event raised by the L2StandardBridge contract.
type L2StandardBridgeERC20BridgeInitiated struct {
	LocalToken  common.Address
	RemoteToken common.Address
	From        common.Address
	To          common.Address
	Amount      *big.Int
	ExtraData   []byte
	Raw         types.Log // Blockchain specific contextual infos
}

// FilterERC20BridgeInitiated is a free log retrieval operation binding the contract event 0x7ff126db8024424bbfd9826e8ab82ff59136289ea440b04b39a0df1b03b9cabf.
//
// Solidity: event ERC20BridgeInitiated(address indexed localToken, address indexed remoteToken, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) FilterERC20BridgeInitiated(opts *bind.FilterOpts, localToken []common.Address, remoteToken []common.Address, from []common.Address) (*L2StandardBridgeERC20BridgeInitiatedIterator, error) {

	var localTokenRule []interface{}
	for _, localTokenItem := range localToken {
		localTokenRule = append(localTokenRule, localTokenItem)
	}
	var remoteTokenRule []interface{}
	for _, remoteTokenItem := range remoteToken {
		remoteTokenRule = append(remoteTokenRule, remoteTokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.FilterLogs(opts, "ERC20BridgeInitiated", localTokenRule, remoteTokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeERC20BridgeInitiatedIterator{contract: _L2StandardBridge.contract, event: "ERC20BridgeInitiated", logs: logs, sub: sub}, nil
}

// WatchERC20BridgeInitiated is a free log subscription operation binding the contract event 0x7ff126db8024424bbfd9826e8ab82ff59136289ea440b04b39a0df1b03b9cabf.
//
// Solidity: event ERC20BridgeInitiated(address indexed localToken, address indexed remoteToken, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) WatchERC20BridgeInitiated(opts *bind.WatchOpts, sink chan<- *L2StandardBridgeERC20BridgeInitiated, localToken []common.Address, remoteToken []common.Address, from []common.Address) (event.Subscription, error) {

	var localTokenRule []interface{}
	for _, localTokenItem := range localToken {
		localTokenRule = append(localTokenRule, localTokenItem)
	}
	var remoteTokenRule []interface{}
	for _, remoteTokenItem := range remoteToken {
		remoteTokenRule = append(remoteTokenRule, remoteTokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.WatchLogs(opts, "ERC20BridgeInitiated", localTokenRule, remoteTokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return event.NewSubscription(func(quit <-chan struct{}) error {
		defer sub.Unsubscribe()
		for {
			select {
			case log := <-logs:
				// New log arrived, parse the event and forward to the user
				event := new(L2StandardBridgeERC20BridgeInitiated)
				if err := _L2StandardBridge.contract.UnpackLog(event, "ERC20BridgeInitiated", log); err != nil {
					return err
				}
				event.Raw = log

				select {
				case sink <- event:
				case err := <-sub.Err():
					return err
				case <-quit:
					return nil
				}
			case err := <-sub.Err():
				return err
			case <-quit:
				return nil
			}
		}
	}), nil
}

// ParseERC20BridgeInitiated is a log parse operation binding the contract event 0x7ff126db8024424bbfd9826e8ab82ff59136289ea440b04b39a0df1b03b9cabf.
//
// Solidity: event ERC20BridgeInitiated(address indexed localToken, address indexed remoteToken, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) ParseERC20BridgeInitiated(log types.Log) (*L2StandardBridgeERC20BridgeInitiated, error) {
	event := new(L2StandardBridgeERC20BridgeInitiated)
	if err := _L2StandardBridge.contract.UnpackLog(event, "ERC20BridgeInitiated", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// L2StandardBridgeETHBridgeFinalizedIterator is returned from FilterETHBridgeFinalized and is used to iterate over the raw logs and unpacked data for ETHBridgeFinalized events raised by the L2StandardBridge contract.
type L2StandardBridgeETHBridgeFinalizedIterator struct {
	Event *L2StandardBridgeETHBridgeFinalized // Event containing the contract specifics and raw log

	contract *bind.BoundContract // Generic contract to use for unpacking event data
	event    string              // Event name to use for unpacking event data

	logs chan types.Log        // Log channel receiving the found contract events
	sub  ethereum.Subscription // Subscription for errors, completion and termination
	done bool                  // Whether the subscription completed delivering logs
	fail error                 // Occurred error to stop iteration
}

// Next advances the iterator to the subsequent event, returning whether there
// are any more events found. In case of a retrieval or parsing error, false is
// returned and Error() can be queried for the exact failure.
func (it *L2StandardBridgeETHBridgeFinalizedIterator) Next() bool {
	// If the iterator failed, stop iterating
	if it.fail != nil {
		return false
	}
	// If the iterator completed, deliver directly whatever's available
	if it.done {
		select {
		case log := <-it.logs:
			it.Event = new(L2StandardBridgeETHBridgeFinalized)
			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
				it.fail = err
				return false
			}
			it.Event.Raw = log
			return true

		default:
			return false
		}
	}
	// Iterator still in progress, wait for either a data or an error event
	select {
	case log := <-it.logs:
		it.Event = new(L2StandardBridgeETHBridgeFinalized)
		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
			it.fail = err
			return false
		}
		it.Event.Raw = log
		return true

	case err := <-it.sub.Err():
		it.done = true
		it.fail = err
		return it.Next()
	}
}

// Error returns any retrieval or parsing error occurred during filtering.
func (it *L2StandardBridgeETHBridgeFinalizedIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *L2StandardBridgeETHBridgeFinalizedIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// L2StandardBridgeETHBridgeFinalized represents a ETHBridgeFinalized event raised by the L2StandardBridge contract.
type L2StandardBridgeETHBridgeFinalized struct {
	From      common.Address
	To        common.Address
	Amount    *big.Int
	ExtraData []byte
	Raw       types.Log // Blockchain specific contextual infos
}

// FilterETHBridgeFinalized is a free log retrieval operation binding the contract event 0x31b2166ff604fc5672ea5df08a78081d2bc6d746cadce880747f3643d819e83d.
//
// Solidity: event ETHBridgeFinalized(address indexed from, address indexed to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) FilterETHBridgeFinalized(opts *bind.FilterOpts, from []common.Address, to []common.Address) (*L2StandardBridgeETHBridgeFinalizedIterator, error) {

	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}
	var toRule []interface{}
	for _, toItem := range to {
		toRule = append(toRule, toItem)
	}

	logs, sub, err := _L2StandardBridge.contract.FilterLogs(opts, "ETHBridgeFinalized", fromRule, toRule)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeETHBridgeFinalizedIterator{contract: _L2StandardBridge.contract, event: "ETHBridgeFinalized", logs: logs, sub: sub}, nil
}

// WatchETHBridgeFinalized is a free log subscription operation binding the contract event 0x31b2166ff604fc5672ea5df08a78081d2bc6d746cadce880747f3643d819e83d.
//
// Solidity: event ETHBridgeFinalized(address indexed from, address indexed to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) WatchETHBridgeFinalized(opts *bind.WatchOpts, sink chan<- *L2StandardBridgeETHBridgeFinalized, from []common.Address, to []common.Address) (event.Subscription, error) {

	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}
	var toRule []interface{}
	for _, toItem := range to {
		toRule = append(toRule, toItem)
	}

	logs, sub, err := _L2StandardBridge.contract.WatchLogs(opts, "ETHBridgeFinalized", fromRule, toRule)
	if err != nil {
		return nil, err
	}
	return event.NewSubscription(func(quit <-chan struct{}) error {
		defer sub.Unsubscribe()
		for {
			select {
			case log := <-logs:
				// New log arrived, parse the event and forward to the user
				event := new(L2StandardBridgeETHBridgeFinalized)
				if err := _L2StandardBridge.contract.UnpackLog(event, "ETHBridgeFinalized", log); err != nil {
					return err
				}
				event.Raw = log

				select {
				case sink <- event:
				case err := <-sub.Err():
					return err
				case <-quit:
					return nil
				}
			case err := <-sub.Err():
				return err
			case <-quit:
				return nil
			}
		}
	}), nil
}

// ParseETHBridgeFinalized is a log parse operation binding the contract event 0x31b2166ff604fc5672ea5df08a78081d2bc6d746cadce880747f3643d819e83d.
//
// Solidity: event ETHBridgeFinalized(address indexed from, address indexed to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) ParseETHBridgeFinalized(log types.Log) (*L2StandardBridgeETHBridgeFinalized, error) {
	event := new(L2StandardBridgeETHBridgeFinalized)
	if err := _L2StandardBridge.contract.UnpackLog(event, "ETHBridgeFinalized", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// L2StandardBridgeETHBridgeInitiatedIterator is returned from FilterETHBridgeInitiated and is used to iterate over the raw logs and unpacked data for ETHBridgeInitiated events raised by the L2StandardBridge contract.
type L2StandardBridgeETHBridgeInitiatedIterator struct {
	Event *L2StandardBridgeETHBridgeInitiated // Event containing the contract specifics and raw log

	contract *bind.BoundContract // Generic contract to use for unpacking event data
	event    string              // Event name to use for unpacking event data

	logs chan types.Log        // Log channel receiving the found contract events
	sub  ethereum.Subscription // Subscription for errors, completion and termination
	done bool                  // Whether the subscription completed delivering logs
	fail error                 // Occurred error to stop iteration
}

// Next advances the iterator to the subsequent event, returning whether there
// are any more events found. In case of a retrieval or parsing error, false is
// returned and Error() can be queried for the exact failure.
func (it *L2StandardBridgeETHBridgeInitiatedIterator) Next() bool {
	// If the iterator failed, stop iterating
	if it.fail != nil {
		return false
	}
	// If the iterator completed, deliver directly whatever's available
	if it.done {
		select {
		case log := <-it.logs:
			it.Event = new(L2StandardBridgeETHBridgeInitiated)
			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
				it.fail = err
				return false
			}
			it.Event.Raw = log
			return true

		default:
			return false
		}
	}
	// Iterator still in progress, wait for either a data or an error event
	select {
	case log := <-it.logs:
		it.Event = new(L2StandardBridgeETHBridgeInitiated)
		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
			it.fail = err
			return false
		}
		it.Event.Raw = log
		return true

	case err := <-it.sub.Err():
		it.done = true
		it.fail = err
		return it.Next()
	}
}

// Error returns any retrieval or parsing error occurred during filtering.
func (it *L2StandardBridgeETHBridgeInitiatedIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *L2StandardBridgeETHBridgeInitiatedIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// L2StandardBridgeETHBridgeInitiated represents a ETHBridgeInitiated event raised by the L2StandardBridge contract.
type L2StandardBridgeETHBridgeInitiated struct {
	From      common.Address
	To        common.Address
	Amount    *big.Int
	ExtraData []byte
	Raw       types.Log // Blockchain specific contextual infos
}

// FilterETHBridgeInitiated is a free log retrieval operation binding the contract event 0x2849b43074093a05396b6f2a937dee8565b15a48a7b3d4bffb732a5017380af5.
//
// Solidity: event ETHBridgeInitiated(address indexed from, address indexed to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) FilterETHBridgeInitiated(opts *bind.FilterOpts, from []common.Address, to []common.Address) (*L2StandardBridgeETHBridgeInitiatedIterator, error) {

	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}
	var toRule []interface{}
	for _, toItem := range to {
		toRule = append(toRule, toItem)
	}

	logs, sub, err := _L2StandardBridge.contract.FilterLogs(opts, "ETHBridgeInitiated", fromRule, toRule)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeETHBridgeInitiatedIterator{contract: _L2StandardBridge.contract, event: "ETHBridgeInitiated", logs: logs, sub: sub}, nil
}

// WatchETHBridgeInitiated is a free log subscription operation binding the contract event 0x2849b43074093a05396b6f2a937dee8565b15a48a7b3d4bffb732a5017380af5.
//
// Solidity: event ETHBridgeInitiated(address indexed from, address indexed to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) WatchETHBridgeInitiated(opts *bind.WatchOpts, sink chan<- *L2StandardBridgeETHBridgeInitiated, from []common.Address, to []common.Address) (event.Subscription, error) {

	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}
	var toRule []interface{}
	for _, toItem := range to {
		toRule = append(toRule, toItem)
	}

	logs, sub, err := _L2StandardBridge.contract.WatchLogs(opts, "ETHBridgeInitiated", fromRule, toRule)
	if err != nil {
		return nil, err
	}
	return event.NewSubscription(func(quit <-chan struct{}) error {
		defer sub.Unsubscribe()
		for {
			select {
			case log := <-logs:
				// New log arrived, parse the event and forward to the user
				event := new(L2StandardBridgeETHBridgeInitiated)
				if err := _L2StandardBridge.contract.UnpackLog(event, "ETHBridgeInitiated", log); err != nil {
					return err
				}
				event.Raw = log

				select {
				case sink <- event:
				case err := <-sub.Err():
					return err
				case <-quit:
					return nil
				}
			case err := <-sub.Err():
				return err
			case <-quit:
				return nil
			}
		}
	}), nil
}

// ParseETHBridgeInitiated is a log parse operation binding the contract event 0x2849b43074093a05396b6f2a937dee8565b15a48a7b3d4bffb732a5017380af5.
//
// Solidity: event ETHBridgeInitiated(address indexed from, address indexed to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) ParseETHBridgeInitiated(log types.Log) (*L2StandardBridgeETHBridgeInitiated, error) {
	event := new(L2StandardBridgeETHBridgeInitiated)
	if err := _L2StandardBridge.contract.UnpackLog(event, "ETHBridgeInitiated", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// L2StandardBridgeWithdrawalInitiatedIterator is returned from FilterWithdrawalInitiated and is used to iterate over the raw logs and unpacked data for WithdrawalInitiated events raised by the L2StandardBridge contract.
type L2StandardBridgeWithdrawalInitiatedIterator struct {
	Event *L2StandardBridgeWithdrawalInitiated // Event containing the contract specifics and raw log

	contract *bind.BoundContract // Generic contract to use for unpacking event data
	event    string              // Event name to use for unpacking event data

	logs chan types.Log        // Log channel receiving the found contract events
	sub  ethereum.Subscription // Subscription for errors, completion and termination
	done bool                  // Whether the subscription completed delivering logs
	fail error                 // Occurred error to stop iteration
}

// Next advances the iterator to the subsequent event, returning whether there
// are any more events found. In case of a retrieval or parsing error, false is
// returned and Error() can be queried for the exact failure.
func (it *L2StandardBridgeWithdrawalInitiatedIterator) Next() bool {
	// If the iterator failed, stop iterating
	if it.fail != nil {
		return false
	}
	// If the iterator completed, deliver directly whatever's available
	if it.done {
		select {
		case log := <-it.logs:
			it.Event = new(L2StandardBridgeWithdrawalInitiated)
			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
				it.fail = err
				return false
			}
			it.Event.Raw = log
			return true

		default:
			return false
		}
	}
	// Iterator still in progress, wait for either a data or an error event
	select {
	case log := <-it.logs:
		it.Event = new(L2StandardBridgeWithdrawalInitiated)
		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
			it.fail = err
			return false
		}
		it.Event.Raw = log
		return true

	case err := <-it.sub.Err():
		it.done = true
		it.fail = err
		return it.Next()
	}
}

// Error returns any retrieval or parsing error occurred during filtering.
func (it *L2StandardBridgeWithdrawalInitiatedIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *L2StandardBridgeWithdrawalInitiatedIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// L2StandardBridgeWithdrawalInitiated represents a WithdrawalInitiated event raised by the L2StandardBridge contract.
type L2StandardBridgeWithdrawalInitiated struct {
	L1Token   common.Address
	L2Token   common.Address
	From      common.Address
	To        common.Address
	Amount    *big.Int
	ExtraData []byte
	Raw       types.Log // Blockchain specific contextual infos
}

// FilterWithdrawalInitiated is a free log retrieval operation binding the contract event 0x73d170910aba9e6d50b102db522b1dbcd796216f5128b445aa2135272886497e.
//
// Solidity: event WithdrawalInitiated(address indexed l1Token, address indexed l2Token, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) FilterWithdrawalInitiated(opts *bind.FilterOpts, l1Token []common.Address, l2Token []common.Address, from []common.Address) (*L2StandardBridgeWithdrawalInitiatedIterator, error) {

	var l1TokenRule []interface{}
	for _, l1TokenItem := range l1Token {
		l1TokenRule = append(l1TokenRule, l1TokenItem)
	}
	var l2TokenRule []interface{}
	for _, l2TokenItem := range l2Token {
		l2TokenRule = append(l2TokenRule, l2TokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.FilterLogs(opts, "WithdrawalInitiated", l1TokenRule, l2TokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return &L2StandardBridgeWithdrawalInitiatedIterator{contract: _L2StandardBridge.contract, event: "WithdrawalInitiated", logs: logs, sub: sub}, nil
}

// WatchWithdrawalInitiated is a free log subscription operation binding the contract event 0x73d170910aba9e6d50b102db522b1dbcd796216f5128b445aa2135272886497e.
//
// Solidity: event WithdrawalInitiated(address indexed l1Token, address indexed l2Token, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) WatchWithdrawalInitiated(opts *bind.WatchOpts, sink chan<- *L2StandardBridgeWithdrawalInitiated, l1Token []common.Address, l2Token []common.Address, from []common.Address) (event.Subscription, error) {

	var l1TokenRule []interface{}
	for _, l1TokenItem := range l1Token {
		l1TokenRule = append(l1TokenRule, l1TokenItem)
	}
	var l2TokenRule []interface{}
	for _, l2TokenItem := range l2Token {
		l2TokenRule = append(l2TokenRule, l2TokenItem)
	}
	var fromRule []interface{}
	for _, fromItem := range from {
		fromRule = append(fromRule, fromItem)
	}

	logs, sub, err := _L2StandardBridge.contract.WatchLogs(opts, "WithdrawalInitiated", l1TokenRule, l2TokenRule, fromRule)
	if err != nil {
		return nil, err
	}
	return event.NewSubscription(func(quit <-chan struct{}) error {
		defer sub.Unsubscribe()
		for {
			select {
			case log := <-logs:
				// New log arrived, parse the event and forward to the user
				event := new(L2StandardBridgeWithdrawalInitiated)
				if err := _L2StandardBridge.contract.UnpackLog(event, "WithdrawalInitiated", log); err != nil {
					return err
				}
				event.Raw = log

				select {
				case sink <- event:
				case err := <-sub.Err():
					return err
				case <-quit:
					return nil
				}
			case err := <-sub.Err():
				return err
			case <-quit:
				return nil
			}
		}
	}), nil
}

// ParseWithdrawalInitiated is a log parse operation binding the contract event 0x73d170910aba9e6d50b102db522b1dbcd796216f5128b445aa2135272886497e.
//
// Solidity: event WithdrawalInitiated(address indexed l1Token, address indexed l2Token, address indexed from, address to, uint256 amount, bytes extraData)
func (_L2StandardBridge *L2StandardBridgeFilterer) ParseWithdrawalInitiated(log types.Log) (*L2StandardBridgeWithdrawalInitiated, error) {
	event := new(L2StandardBridgeWithdrawalInitiated)
	if err := _L2StandardBridge.contract.UnpackLog(event, "WithdrawalInitiated", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}