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

package WETH

import (
	"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 (
	_ = big.NewInt
	_ = strings.NewReader
	_ = ethereum.NotFound
	_ = bind.Bind
	_ = common.Big1
	_ = types.BloomLookup
	_ = event.NewSubscription
)

// WETHABI is the input ABI used to generate the binding from.
const WETHABI = "[{\"constant\":true,\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"guy\",\"type\":\"address\"},{\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"src\",\"type\":\"address\"},{\"name\":\"dst\",\"type\":\"address\"},{\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"withdraw\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"dst\",\"type\":\"address\"},{\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"deposit\",\"outputs\":[],\"payable\":true,\"stateMutability\":\"payable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"name\":\"\",\"type\":\"address\"},{\"name\":\"\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"payable\":true,\"stateMutability\":\"payable\",\"type\":\"fallback\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"src\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"guy\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"src\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"dst\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"dst\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Deposit\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"src\",\"type\":\"address\"},{\"indexed\":false,\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Withdrawal\",\"type\":\"event\"}]"

// WETHBin is the compiled bytecode used for deploying new contracts.
var WETHBin = "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"

// DeployWETH deploys a new Ethereum contract, binding an instance of WETH to it.
func DeployWETH(auth *bind.TransactOpts, backend bind.ContractBackend) (common.Address, *types.Transaction, *WETH, error) {
	parsed, err := abi.JSON(strings.NewReader(WETHABI))
	if err != nil {
		return common.Address{}, nil, nil, err
	}

	address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(WETHBin), backend)
	if err != nil {
		return common.Address{}, nil, nil, err
	}
	return address, tx, &WETH{WETHCaller: WETHCaller{contract: contract}, WETHTransactor: WETHTransactor{contract: contract}, WETHFilterer: WETHFilterer{contract: contract}}, nil
}

// WETH is an auto generated Go binding around an Ethereum contract.
type WETH struct {
	WETHCaller     // Read-only binding to the contract
	WETHTransactor // Write-only binding to the contract
	WETHFilterer   // Log filterer for contract events
}

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

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

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

// WETHSession is an auto generated Go binding around an Ethereum contract,
// with pre-set call and transact options.
type WETHSession struct {
	Contract     *WETH             // 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
}

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

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

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

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

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

// NewWETH creates a new instance of WETH, bound to a specific deployed contract.
func NewWETH(address common.Address, backend bind.ContractBackend) (*WETH, error) {
	contract, err := bindWETH(address, backend, backend, backend)
	if err != nil {
		return nil, err
	}
	return &WETH{WETHCaller: WETHCaller{contract: contract}, WETHTransactor: WETHTransactor{contract: contract}, WETHFilterer: WETHFilterer{contract: contract}}, nil
}

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

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

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

// bindWETH binds a generic wrapper to an already deployed contract.
func bindWETH(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
	parsed, err := abi.JSON(strings.NewReader(WETHABI))
	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 (_WETH *WETHRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
	return _WETH.Contract.WETHCaller.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 (_WETH *WETHRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _WETH.Contract.WETHTransactor.contract.Transfer(opts)
}

// Transact invokes the (paid) contract method with params as input values.
func (_WETH *WETHRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
	return _WETH.Contract.WETHTransactor.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 (_WETH *WETHCallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
	return _WETH.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 (_WETH *WETHTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _WETH.Contract.contract.Transfer(opts)
}

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

// Allowance is a free data retrieval call binding the contract method 0xdd62ed3e.
//
// Solidity: function allowance(address , address ) view returns(uint256)
func (_WETH *WETHCaller) Allowance(opts *bind.CallOpts, arg0 common.Address, arg1 common.Address) (*big.Int, error) {
	var out []interface{}
	err := _WETH.contract.Call(opts, &out, "allowance", arg0, arg1)

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

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

	return out0, err

}

// Allowance is a free data retrieval call binding the contract method 0xdd62ed3e.
//
// Solidity: function allowance(address , address ) view returns(uint256)
func (_WETH *WETHSession) Allowance(arg0 common.Address, arg1 common.Address) (*big.Int, error) {
	return _WETH.Contract.Allowance(&_WETH.CallOpts, arg0, arg1)
}

// Allowance is a free data retrieval call binding the contract method 0xdd62ed3e.
//
// Solidity: function allowance(address , address ) view returns(uint256)
func (_WETH *WETHCallerSession) Allowance(arg0 common.Address, arg1 common.Address) (*big.Int, error) {
	return _WETH.Contract.Allowance(&_WETH.CallOpts, arg0, arg1)
}

// BalanceOf is a free data retrieval call binding the contract method 0x70a08231.
//
// Solidity: function balanceOf(address ) view returns(uint256)
func (_WETH *WETHCaller) BalanceOf(opts *bind.CallOpts, arg0 common.Address) (*big.Int, error) {
	var out []interface{}
	err := _WETH.contract.Call(opts, &out, "balanceOf", arg0)

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

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

	return out0, err

}

// BalanceOf is a free data retrieval call binding the contract method 0x70a08231.
//
// Solidity: function balanceOf(address ) view returns(uint256)
func (_WETH *WETHSession) BalanceOf(arg0 common.Address) (*big.Int, error) {
	return _WETH.Contract.BalanceOf(&_WETH.CallOpts, arg0)
}

// BalanceOf is a free data retrieval call binding the contract method 0x70a08231.
//
// Solidity: function balanceOf(address ) view returns(uint256)
func (_WETH *WETHCallerSession) BalanceOf(arg0 common.Address) (*big.Int, error) {
	return _WETH.Contract.BalanceOf(&_WETH.CallOpts, arg0)
}

// Decimals is a free data retrieval call binding the contract method 0x313ce567.
//
// Solidity: function decimals() view returns(uint8)
func (_WETH *WETHCaller) Decimals(opts *bind.CallOpts) (uint8, error) {
	var out []interface{}
	err := _WETH.contract.Call(opts, &out, "decimals")

	if err != nil {
		return *new(uint8), err
	}

	out0 := *abi.ConvertType(out[0], new(uint8)).(*uint8)

	return out0, err

}

// Decimals is a free data retrieval call binding the contract method 0x313ce567.
//
// Solidity: function decimals() view returns(uint8)
func (_WETH *WETHSession) Decimals() (uint8, error) {
	return _WETH.Contract.Decimals(&_WETH.CallOpts)
}

// Decimals is a free data retrieval call binding the contract method 0x313ce567.
//
// Solidity: function decimals() view returns(uint8)
func (_WETH *WETHCallerSession) Decimals() (uint8, error) {
	return _WETH.Contract.Decimals(&_WETH.CallOpts)
}

// Name is a free data retrieval call binding the contract method 0x06fdde03.
//
// Solidity: function name() view returns(string)
func (_WETH *WETHCaller) Name(opts *bind.CallOpts) (string, error) {
	var out []interface{}
	err := _WETH.contract.Call(opts, &out, "name")

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

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

	return out0, err

}

// Name is a free data retrieval call binding the contract method 0x06fdde03.
//
// Solidity: function name() view returns(string)
func (_WETH *WETHSession) Name() (string, error) {
	return _WETH.Contract.Name(&_WETH.CallOpts)
}

// Name is a free data retrieval call binding the contract method 0x06fdde03.
//
// Solidity: function name() view returns(string)
func (_WETH *WETHCallerSession) Name() (string, error) {
	return _WETH.Contract.Name(&_WETH.CallOpts)
}

// Symbol is a free data retrieval call binding the contract method 0x95d89b41.
//
// Solidity: function symbol() view returns(string)
func (_WETH *WETHCaller) Symbol(opts *bind.CallOpts) (string, error) {
	var out []interface{}
	err := _WETH.contract.Call(opts, &out, "symbol")

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

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

	return out0, err

}

// Symbol is a free data retrieval call binding the contract method 0x95d89b41.
//
// Solidity: function symbol() view returns(string)
func (_WETH *WETHSession) Symbol() (string, error) {
	return _WETH.Contract.Symbol(&_WETH.CallOpts)
}

// Symbol is a free data retrieval call binding the contract method 0x95d89b41.
//
// Solidity: function symbol() view returns(string)
func (_WETH *WETHCallerSession) Symbol() (string, error) {
	return _WETH.Contract.Symbol(&_WETH.CallOpts)
}

// TotalSupply is a free data retrieval call binding the contract method 0x18160ddd.
//
// Solidity: function totalSupply() view returns(uint256)
func (_WETH *WETHCaller) TotalSupply(opts *bind.CallOpts) (*big.Int, error) {
	var out []interface{}
	err := _WETH.contract.Call(opts, &out, "totalSupply")

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

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

	return out0, err

}

// TotalSupply is a free data retrieval call binding the contract method 0x18160ddd.
//
// Solidity: function totalSupply() view returns(uint256)
func (_WETH *WETHSession) TotalSupply() (*big.Int, error) {
	return _WETH.Contract.TotalSupply(&_WETH.CallOpts)
}

// TotalSupply is a free data retrieval call binding the contract method 0x18160ddd.
//
// Solidity: function totalSupply() view returns(uint256)
func (_WETH *WETHCallerSession) TotalSupply() (*big.Int, error) {
	return _WETH.Contract.TotalSupply(&_WETH.CallOpts)
}

// Approve is a paid mutator transaction binding the contract method 0x095ea7b3.
//
// Solidity: function approve(address guy, uint256 wad) returns(bool)
func (_WETH *WETHTransactor) Approve(opts *bind.TransactOpts, guy common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.contract.Transact(opts, "approve", guy, wad)
}

// Approve is a paid mutator transaction binding the contract method 0x095ea7b3.
//
// Solidity: function approve(address guy, uint256 wad) returns(bool)
func (_WETH *WETHSession) Approve(guy common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.Approve(&_WETH.TransactOpts, guy, wad)
}

// Approve is a paid mutator transaction binding the contract method 0x095ea7b3.
//
// Solidity: function approve(address guy, uint256 wad) returns(bool)
func (_WETH *WETHTransactorSession) Approve(guy common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.Approve(&_WETH.TransactOpts, guy, wad)
}

// Deposit is a paid mutator transaction binding the contract method 0xd0e30db0.
//
// Solidity: function deposit() payable returns()
func (_WETH *WETHTransactor) Deposit(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _WETH.contract.Transact(opts, "deposit")
}

// Deposit is a paid mutator transaction binding the contract method 0xd0e30db0.
//
// Solidity: function deposit() payable returns()
func (_WETH *WETHSession) Deposit() (*types.Transaction, error) {
	return _WETH.Contract.Deposit(&_WETH.TransactOpts)
}

// Deposit is a paid mutator transaction binding the contract method 0xd0e30db0.
//
// Solidity: function deposit() payable returns()
func (_WETH *WETHTransactorSession) Deposit() (*types.Transaction, error) {
	return _WETH.Contract.Deposit(&_WETH.TransactOpts)
}

// Transfer is a paid mutator transaction binding the contract method 0xa9059cbb.
//
// Solidity: function transfer(address dst, uint256 wad) returns(bool)
func (_WETH *WETHTransactor) Transfer(opts *bind.TransactOpts, dst common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.contract.Transact(opts, "transfer", dst, wad)
}

// Transfer is a paid mutator transaction binding the contract method 0xa9059cbb.
//
// Solidity: function transfer(address dst, uint256 wad) returns(bool)
func (_WETH *WETHSession) Transfer(dst common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.Transfer(&_WETH.TransactOpts, dst, wad)
}

// Transfer is a paid mutator transaction binding the contract method 0xa9059cbb.
//
// Solidity: function transfer(address dst, uint256 wad) returns(bool)
func (_WETH *WETHTransactorSession) Transfer(dst common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.Transfer(&_WETH.TransactOpts, dst, wad)
}

// TransferFrom is a paid mutator transaction binding the contract method 0x23b872dd.
//
// Solidity: function transferFrom(address src, address dst, uint256 wad) returns(bool)
func (_WETH *WETHTransactor) TransferFrom(opts *bind.TransactOpts, src common.Address, dst common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.contract.Transact(opts, "transferFrom", src, dst, wad)
}

// TransferFrom is a paid mutator transaction binding the contract method 0x23b872dd.
//
// Solidity: function transferFrom(address src, address dst, uint256 wad) returns(bool)
func (_WETH *WETHSession) TransferFrom(src common.Address, dst common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.TransferFrom(&_WETH.TransactOpts, src, dst, wad)
}

// TransferFrom is a paid mutator transaction binding the contract method 0x23b872dd.
//
// Solidity: function transferFrom(address src, address dst, uint256 wad) returns(bool)
func (_WETH *WETHTransactorSession) TransferFrom(src common.Address, dst common.Address, wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.TransferFrom(&_WETH.TransactOpts, src, dst, wad)
}

// Withdraw is a paid mutator transaction binding the contract method 0x2e1a7d4d.
//
// Solidity: function withdraw(uint256 wad) returns()
func (_WETH *WETHTransactor) Withdraw(opts *bind.TransactOpts, wad *big.Int) (*types.Transaction, error) {
	return _WETH.contract.Transact(opts, "withdraw", wad)
}

// Withdraw is a paid mutator transaction binding the contract method 0x2e1a7d4d.
//
// Solidity: function withdraw(uint256 wad) returns()
func (_WETH *WETHSession) Withdraw(wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.Withdraw(&_WETH.TransactOpts, wad)
}

// Withdraw is a paid mutator transaction binding the contract method 0x2e1a7d4d.
//
// Solidity: function withdraw(uint256 wad) returns()
func (_WETH *WETHTransactorSession) Withdraw(wad *big.Int) (*types.Transaction, error) {
	return _WETH.Contract.Withdraw(&_WETH.TransactOpts, wad)
}

// Fallback is a paid mutator transaction binding the contract fallback function.
//
// Solidity: fallback() payable returns()
func (_WETH *WETHTransactor) Fallback(opts *bind.TransactOpts, calldata []byte) (*types.Transaction, error) {
	return _WETH.contract.RawTransact(opts, calldata)
}

// Fallback is a paid mutator transaction binding the contract fallback function.
//
// Solidity: fallback() payable returns()
func (_WETH *WETHSession) Fallback(calldata []byte) (*types.Transaction, error) {
	return _WETH.Contract.Fallback(&_WETH.TransactOpts, calldata)
}

// Fallback is a paid mutator transaction binding the contract fallback function.
//
// Solidity: fallback() payable returns()
func (_WETH *WETHTransactorSession) Fallback(calldata []byte) (*types.Transaction, error) {
	return _WETH.Contract.Fallback(&_WETH.TransactOpts, calldata)
}

// WETHApprovalIterator is returned from FilterApproval and is used to iterate over the raw logs and unpacked data for Approval events raised by the WETH contract.
type WETHApprovalIterator struct {
	Event *WETHApproval // 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 *WETHApprovalIterator) 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(WETHApproval)
			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(WETHApproval)
		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 *WETHApprovalIterator) Error() error {
	return it.fail
}

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

// WETHApproval represents a Approval event raised by the WETH contract.
type WETHApproval struct {
	Src common.Address
	Guy common.Address
	Wad *big.Int
	Raw types.Log // Blockchain specific contextual infos
}

// FilterApproval is a free log retrieval operation binding the contract event 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925.
//
// Solidity: event Approval(address indexed src, address indexed guy, uint256 wad)
func (_WETH *WETHFilterer) FilterApproval(opts *bind.FilterOpts, src []common.Address, guy []common.Address) (*WETHApprovalIterator, error) {

	var srcRule []interface{}
	for _, srcItem := range src {
		srcRule = append(srcRule, srcItem)
	}
	var guyRule []interface{}
	for _, guyItem := range guy {
		guyRule = append(guyRule, guyItem)
	}

	logs, sub, err := _WETH.contract.FilterLogs(opts, "Approval", srcRule, guyRule)
	if err != nil {
		return nil, err
	}
	return &WETHApprovalIterator{contract: _WETH.contract, event: "Approval", logs: logs, sub: sub}, nil
}

// WatchApproval is a free log subscription operation binding the contract event 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925.
//
// Solidity: event Approval(address indexed src, address indexed guy, uint256 wad)
func (_WETH *WETHFilterer) WatchApproval(opts *bind.WatchOpts, sink chan<- *WETHApproval, src []common.Address, guy []common.Address) (event.Subscription, error) {

	var srcRule []interface{}
	for _, srcItem := range src {
		srcRule = append(srcRule, srcItem)
	}
	var guyRule []interface{}
	for _, guyItem := range guy {
		guyRule = append(guyRule, guyItem)
	}

	logs, sub, err := _WETH.contract.WatchLogs(opts, "Approval", srcRule, guyRule)
	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(WETHApproval)
				if err := _WETH.contract.UnpackLog(event, "Approval", 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
}

// ParseApproval is a log parse operation binding the contract event 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925.
//
// Solidity: event Approval(address indexed src, address indexed guy, uint256 wad)
func (_WETH *WETHFilterer) ParseApproval(log types.Log) (*WETHApproval, error) {
	event := new(WETHApproval)
	if err := _WETH.contract.UnpackLog(event, "Approval", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// WETHDepositIterator is returned from FilterDeposit and is used to iterate over the raw logs and unpacked data for Deposit events raised by the WETH contract.
type WETHDepositIterator struct {
	Event *WETHDeposit // 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 *WETHDepositIterator) 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(WETHDeposit)
			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(WETHDeposit)
		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 *WETHDepositIterator) Error() error {
	return it.fail
}

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

// WETHDeposit represents a Deposit event raised by the WETH contract.
type WETHDeposit struct {
	Dst common.Address
	Wad *big.Int
	Raw types.Log // Blockchain specific contextual infos
}

// FilterDeposit is a free log retrieval operation binding the contract event 0xe1fffcc4923d04b559f4d29a8bfc6cda04eb5b0d3c460751c2402c5c5cc9109c.
//
// Solidity: event Deposit(address indexed dst, uint256 wad)
func (_WETH *WETHFilterer) FilterDeposit(opts *bind.FilterOpts, dst []common.Address) (*WETHDepositIterator, error) {

	var dstRule []interface{}
	for _, dstItem := range dst {
		dstRule = append(dstRule, dstItem)
	}

	logs, sub, err := _WETH.contract.FilterLogs(opts, "Deposit", dstRule)
	if err != nil {
		return nil, err
	}
	return &WETHDepositIterator{contract: _WETH.contract, event: "Deposit", logs: logs, sub: sub}, nil
}

// WatchDeposit is a free log subscription operation binding the contract event 0xe1fffcc4923d04b559f4d29a8bfc6cda04eb5b0d3c460751c2402c5c5cc9109c.
//
// Solidity: event Deposit(address indexed dst, uint256 wad)
func (_WETH *WETHFilterer) WatchDeposit(opts *bind.WatchOpts, sink chan<- *WETHDeposit, dst []common.Address) (event.Subscription, error) {

	var dstRule []interface{}
	for _, dstItem := range dst {
		dstRule = append(dstRule, dstItem)
	}

	logs, sub, err := _WETH.contract.WatchLogs(opts, "Deposit", dstRule)
	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(WETHDeposit)
				if err := _WETH.contract.UnpackLog(event, "Deposit", 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
}

// ParseDeposit is a log parse operation binding the contract event 0xe1fffcc4923d04b559f4d29a8bfc6cda04eb5b0d3c460751c2402c5c5cc9109c.
//
// Solidity: event Deposit(address indexed dst, uint256 wad)
func (_WETH *WETHFilterer) ParseDeposit(log types.Log) (*WETHDeposit, error) {
	event := new(WETHDeposit)
	if err := _WETH.contract.UnpackLog(event, "Deposit", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// WETHTransferIterator is returned from FilterTransfer and is used to iterate over the raw logs and unpacked data for Transfer events raised by the WETH contract.
type WETHTransferIterator struct {
	Event *WETHTransfer // 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 *WETHTransferIterator) 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(WETHTransfer)
			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(WETHTransfer)
		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 *WETHTransferIterator) Error() error {
	return it.fail
}

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

// WETHTransfer represents a Transfer event raised by the WETH contract.
type WETHTransfer struct {
	Src common.Address
	Dst common.Address
	Wad *big.Int
	Raw types.Log // Blockchain specific contextual infos
}

// FilterTransfer is a free log retrieval operation binding the contract event 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef.
//
// Solidity: event Transfer(address indexed src, address indexed dst, uint256 wad)
func (_WETH *WETHFilterer) FilterTransfer(opts *bind.FilterOpts, src []common.Address, dst []common.Address) (*WETHTransferIterator, error) {

	var srcRule []interface{}
	for _, srcItem := range src {
		srcRule = append(srcRule, srcItem)
	}
	var dstRule []interface{}
	for _, dstItem := range dst {
		dstRule = append(dstRule, dstItem)
	}

	logs, sub, err := _WETH.contract.FilterLogs(opts, "Transfer", srcRule, dstRule)
	if err != nil {
		return nil, err
	}
	return &WETHTransferIterator{contract: _WETH.contract, event: "Transfer", logs: logs, sub: sub}, nil
}

// WatchTransfer is a free log subscription operation binding the contract event 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef.
//
// Solidity: event Transfer(address indexed src, address indexed dst, uint256 wad)
func (_WETH *WETHFilterer) WatchTransfer(opts *bind.WatchOpts, sink chan<- *WETHTransfer, src []common.Address, dst []common.Address) (event.Subscription, error) {

	var srcRule []interface{}
	for _, srcItem := range src {
		srcRule = append(srcRule, srcItem)
	}
	var dstRule []interface{}
	for _, dstItem := range dst {
		dstRule = append(dstRule, dstItem)
	}

	logs, sub, err := _WETH.contract.WatchLogs(opts, "Transfer", srcRule, dstRule)
	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(WETHTransfer)
				if err := _WETH.contract.UnpackLog(event, "Transfer", 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
}

// ParseTransfer is a log parse operation binding the contract event 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef.
//
// Solidity: event Transfer(address indexed src, address indexed dst, uint256 wad)
func (_WETH *WETHFilterer) ParseTransfer(log types.Log) (*WETHTransfer, error) {
	event := new(WETHTransfer)
	if err := _WETH.contract.UnpackLog(event, "Transfer", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// WETHWithdrawalIterator is returned from FilterWithdrawal and is used to iterate over the raw logs and unpacked data for Withdrawal events raised by the WETH contract.
type WETHWithdrawalIterator struct {
	Event *WETHWithdrawal // 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 *WETHWithdrawalIterator) 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(WETHWithdrawal)
			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(WETHWithdrawal)
		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 *WETHWithdrawalIterator) Error() error {
	return it.fail
}

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

// WETHWithdrawal represents a Withdrawal event raised by the WETH contract.
type WETHWithdrawal struct {
	Src common.Address
	Wad *big.Int
	Raw types.Log // Blockchain specific contextual infos
}

// FilterWithdrawal is a free log retrieval operation binding the contract event 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65.
//
// Solidity: event Withdrawal(address indexed src, uint256 wad)
func (_WETH *WETHFilterer) FilterWithdrawal(opts *bind.FilterOpts, src []common.Address) (*WETHWithdrawalIterator, error) {

	var srcRule []interface{}
	for _, srcItem := range src {
		srcRule = append(srcRule, srcItem)
	}

	logs, sub, err := _WETH.contract.FilterLogs(opts, "Withdrawal", srcRule)
	if err != nil {
		return nil, err
	}
	return &WETHWithdrawalIterator{contract: _WETH.contract, event: "Withdrawal", logs: logs, sub: sub}, nil
}

// WatchWithdrawal is a free log subscription operation binding the contract event 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65.
//
// Solidity: event Withdrawal(address indexed src, uint256 wad)
func (_WETH *WETHFilterer) WatchWithdrawal(opts *bind.WatchOpts, sink chan<- *WETHWithdrawal, src []common.Address) (event.Subscription, error) {

	var srcRule []interface{}
	for _, srcItem := range src {
		srcRule = append(srcRule, srcItem)
	}

	logs, sub, err := _WETH.contract.WatchLogs(opts, "Withdrawal", srcRule)
	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(WETHWithdrawal)
				if err := _WETH.contract.UnpackLog(event, "Withdrawal", 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
}

// ParseWithdrawal is a log parse operation binding the contract event 0x7fcf532c15f0a6db0bd6d0e038bea71d30d808c7d98cb3bf7268a95bf5081b65.
//
// Solidity: event Withdrawal(address indexed src, uint256 wad)
func (_WETH *WETHFilterer) ParseWithdrawal(log types.Log) (*WETHWithdrawal, error) {
	event := new(WETHWithdrawal)
	if err := _WETH.contract.UnpackLog(event, "Withdrawal", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

