erc721_sol.go

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

package ethereumChain

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
)

// ERC721ABI is the input ABI used to generate the binding from.
const ERC721ABI = "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"_ipfsHash\",\"type\":\"bytes32\"}],\"name\":\"Mint\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"bytes32\",\"name\":\"_ipfsHash\",\"type\":\"bytes32\"}],\"name\":\"mint\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_tokenId\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"

// ERC721Bin is the compiled bytecode used for deploying new contracts.
var ERC721Bin = "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"

// DeployERC721 deploys a new Ethereum contract, binding an instance of ERC721 to it.
func DeployERC721(auth *bind.TransactOpts, backend bind.ContractBackend) (common.Address, *types.Transaction, *ERC721, error) {
	parsed, err := abi.JSON(strings.NewReader(ERC721ABI))
	if err != nil {
		return common.Address{}, nil, nil, err
	}

	address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(ERC721Bin), backend)
	if err != nil {
		return common.Address{}, nil, nil, err
	}
	return address, tx, &ERC721{ERC721Caller: ERC721Caller{contract: contract}, ERC721Transactor: ERC721Transactor{contract: contract}, ERC721Filterer: ERC721Filterer{contract: contract}}, nil
}

// ERC721 is an auto generated Go binding around an Ethereum contract.
type ERC721 struct {
	ERC721Caller     // Read-only binding to the contract
	ERC721Transactor // Write-only binding to the contract
	ERC721Filterer   // Log filterer for contract events
}

// ERC721Caller is an auto generated read-only Go binding around an Ethereum contract.
type ERC721Caller struct {
	contract *bind.BoundContract // Generic contract wrapper for the low level calls
}

// ERC721Transactor is an auto generated write-only Go binding around an Ethereum contract.
type ERC721Transactor struct {
	contract *bind.BoundContract // Generic contract wrapper for the low level calls
}

// ERC721Filterer is an auto generated log filtering Go binding around an Ethereum contract events.
type ERC721Filterer struct {
	contract *bind.BoundContract // Generic contract wrapper for the low level calls
}

// ERC721Session is an auto generated Go binding around an Ethereum contract,
// with pre-set call and transact options.
type ERC721Session struct {
	Contract     *ERC721             // 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
}

// ERC721CallerSession is an auto generated read-only Go binding around an Ethereum contract,
// with pre-set call options.
type ERC721CallerSession struct {
	Contract *ERC721Caller   // Generic contract caller binding to set the session for
	CallOpts bind.CallOpts // Call options to use throughout this session
}

// ERC721TransactorSession is an auto generated write-only Go binding around an Ethereum contract,
// with pre-set transact options.
type ERC721TransactorSession struct {
	Contract     *ERC721Transactor   // Generic contract transactor binding to set the session for
	TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
}

// ERC721Raw is an auto generated low-level Go binding around an Ethereum contract.
type ERC721Raw struct {
	Contract *ERC721 // Generic contract binding to access the raw methods on
}

// ERC721CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
type ERC721CallerRaw struct {
	Contract *ERC721Caller // Generic read-only contract binding to access the raw methods on
}

// ERC721TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
type ERC721TransactorRaw struct {
	Contract *ERC721Transactor // Generic write-only contract binding to access the raw methods on
}

// NewERC721 creates a new instance of ERC721, bound to a specific deployed contract.
func NewERC721(address common.Address, backend bind.ContractBackend) (*ERC721, error) {
	contract, err := bindERC721(address, backend, backend, backend)
	if err != nil {
		return nil, err
	}
	return &ERC721{ERC721Caller: ERC721Caller{contract: contract}, ERC721Transactor: ERC721Transactor{contract: contract}, ERC721Filterer: ERC721Filterer{contract: contract}}, nil
}

// NewERC721Caller creates a new read-only instance of ERC721, bound to a specific deployed contract.
func NewERC721Caller(address common.Address, caller bind.ContractCaller) (*ERC721Caller, error) {
	contract, err := bindERC721(address, caller, nil, nil)
	if err != nil {
		return nil, err
	}
	return &ERC721Caller{contract: contract}, nil
}

// NewERC721Transactor creates a new write-only instance of ERC721, bound to a specific deployed contract.
func NewERC721Transactor(address common.Address, transactor bind.ContractTransactor) (*ERC721Transactor, error) {
	contract, err := bindERC721(address, nil, transactor, nil)
	if err != nil {
		return nil, err
	}
	return &ERC721Transactor{contract: contract}, nil
}

// NewERC721Filterer creates a new log filterer instance of ERC721, bound to a specific deployed contract.
func NewERC721Filterer(address common.Address, filterer bind.ContractFilterer) (*ERC721Filterer, error) {
	contract, err := bindERC721(address, nil, nil, filterer)
	if err != nil {
		return nil, err
	}
	return &ERC721Filterer{contract: contract}, nil
}

// bindERC721 binds a generic wrapper to an already deployed contract.
func bindERC721(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
	parsed, err := abi.JSON(strings.NewReader(ERC721ABI))
	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 (_ERC721 *ERC721Raw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
	return _ERC721.Contract.ERC721Caller.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 (_ERC721 *ERC721Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _ERC721.Contract.ERC721Transactor.contract.Transfer(opts)
}

// Transact invokes the (paid) contract method with params as input values.
func (_ERC721 *ERC721Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
	return _ERC721.Contract.ERC721Transactor.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 (_ERC721 *ERC721CallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
	return _ERC721.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 (_ERC721 *ERC721TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
	return _ERC721.Contract.contract.Transfer(opts)
}

// Transact invokes the (paid) contract method with params as input values.
func (_ERC721 *ERC721TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
	return _ERC721.Contract.contract.Transact(opts, method, params...)
}

// Mint is a paid mutator transaction binding the contract method 0x2cfd3005.
//
// Solidity: function mint(address _to, bytes32 _ipfsHash) returns()
func (_ERC721 *ERC721Transactor) Mint(opts *bind.TransactOpts, _to common.Address, _ipfsHash [32]byte) (*types.Transaction, error) {
	return _ERC721.contract.Transact(opts, "mint", _to, _ipfsHash)
}

// Mint is a paid mutator transaction binding the contract method 0x2cfd3005.
//
// Solidity: function mint(address _to, bytes32 _ipfsHash) returns()
func (_ERC721 *ERC721Session) Mint(_to common.Address, _ipfsHash [32]byte) (*types.Transaction, error) {
	return _ERC721.Contract.Mint(&_ERC721.TransactOpts, _to, _ipfsHash)
}

// Mint is a paid mutator transaction binding the contract method 0x2cfd3005.
//
// Solidity: function mint(address _to, bytes32 _ipfsHash) returns()
func (_ERC721 *ERC721TransactorSession) Mint(_to common.Address, _ipfsHash [32]byte) (*types.Transaction, error) {
	return _ERC721.Contract.Mint(&_ERC721.TransactOpts, _to, _ipfsHash)
}

// Transfer is a paid mutator transaction binding the contract method 0xa9059cbb.
//
// Solidity: function transfer(address _to, uint256 _tokenId) returns()
func (_ERC721 *ERC721Transactor) Transfer(opts *bind.TransactOpts, _to common.Address, _tokenId *big.Int) (*types.Transaction, error) {
	return _ERC721.contract.Transact(opts, "transfer", _to, _tokenId)
}

// Transfer is a paid mutator transaction binding the contract method 0xa9059cbb.
//
// Solidity: function transfer(address _to, uint256 _tokenId) returns()
func (_ERC721 *ERC721Session) Transfer(_to common.Address, _tokenId *big.Int) (*types.Transaction, error) {
	return _ERC721.Contract.Transfer(&_ERC721.TransactOpts, _to, _tokenId)
}

// Transfer is a paid mutator transaction binding the contract method 0xa9059cbb.
//
// Solidity: function transfer(address _to, uint256 _tokenId) returns()
func (_ERC721 *ERC721TransactorSession) Transfer(_to common.Address, _tokenId *big.Int) (*types.Transaction, error) {
	return _ERC721.Contract.Transfer(&_ERC721.TransactOpts, _to, _tokenId)
}

// ERC721MintIterator is returned from FilterMint and is used to iterate over the raw logs and unpacked data for Mint events raised by the ERC721 contract.
type ERC721MintIterator struct {
	Event *ERC721Mint // 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 *ERC721MintIterator) 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(ERC721Mint)
			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(ERC721Mint)
		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 *ERC721MintIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *ERC721MintIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// ERC721Mint represents a Mint event raised by the ERC721 contract.
type ERC721Mint struct {
	To       common.Address
	TokenId  *big.Int
	IpfsHash [32]byte
	Raw      types.Log // Blockchain specific contextual infos
}

// FilterMint is a free log retrieval operation binding the contract event 0x3dec94b8abc8f801eaade1616d3aadd3114b556a284267905e0a053b2df39892.
//
// Solidity: event Mint(address indexed _to, uint256 indexed _tokenId, bytes32 _ipfsHash)
func (_ERC721 *ERC721Filterer) FilterMint(opts *bind.FilterOpts, _to []common.Address, _tokenId []*big.Int) (*ERC721MintIterator, error) {

	var _toRule []interface{}
	for _, _toItem := range _to {
		_toRule = append(_toRule, _toItem)
	}
	var _tokenIdRule []interface{}
	for _, _tokenIdItem := range _tokenId {
		_tokenIdRule = append(_tokenIdRule, _tokenIdItem)
	}

	logs, sub, err := _ERC721.contract.FilterLogs(opts, "Mint", _toRule, _tokenIdRule)
	if err != nil {
		return nil, err
	}
	return &ERC721MintIterator{contract: _ERC721.contract, event: "Mint", logs: logs, sub: sub}, nil
}

// WatchMint is a free log subscription operation binding the contract event 0x3dec94b8abc8f801eaade1616d3aadd3114b556a284267905e0a053b2df39892.
//
// Solidity: event Mint(address indexed _to, uint256 indexed _tokenId, bytes32 _ipfsHash)
func (_ERC721 *ERC721Filterer) WatchMint(opts *bind.WatchOpts, sink chan<- *ERC721Mint, _to []common.Address, _tokenId []*big.Int) (event.Subscription, error) {

	var _toRule []interface{}
	for _, _toItem := range _to {
		_toRule = append(_toRule, _toItem)
	}
	var _tokenIdRule []interface{}
	for _, _tokenIdItem := range _tokenId {
		_tokenIdRule = append(_tokenIdRule, _tokenIdItem)
	}

	logs, sub, err := _ERC721.contract.WatchLogs(opts, "Mint", _toRule, _tokenIdRule)
	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(ERC721Mint)
				if err := _ERC721.contract.UnpackLog(event, "Mint", 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
}

// ParseMint is a log parse operation binding the contract event 0x3dec94b8abc8f801eaade1616d3aadd3114b556a284267905e0a053b2df39892.
//
// Solidity: event Mint(address indexed _to, uint256 indexed _tokenId, bytes32 _ipfsHash)
func (_ERC721 *ERC721Filterer) ParseMint(log types.Log) (*ERC721Mint, error) {
	event := new(ERC721Mint)
	if err := _ERC721.contract.UnpackLog(event, "Mint", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}

// ERC721TransferIterator is returned from FilterTransfer and is used to iterate over the raw logs and unpacked data for Transfer events raised by the ERC721 contract.
type ERC721TransferIterator struct {
	Event *ERC721Transfer // 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 *ERC721TransferIterator) 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(ERC721Transfer)
			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(ERC721Transfer)
		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 *ERC721TransferIterator) Error() error {
	return it.fail
}

// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *ERC721TransferIterator) Close() error {
	it.sub.Unsubscribe()
	return nil
}

// ERC721Transfer represents a Transfer event raised by the ERC721 contract.
type ERC721Transfer struct {
	From    common.Address
	To      common.Address
	TokenId *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 _from, address indexed _to, uint256 indexed _tokenId)
func (_ERC721 *ERC721Filterer) FilterTransfer(opts *bind.FilterOpts, _from []common.Address, _to []common.Address, _tokenId []*big.Int) (*ERC721TransferIterator, error) {

	var _fromRule []interface{}
	for _, _fromItem := range _from {
		_fromRule = append(_fromRule, _fromItem)
	}
	var _toRule []interface{}
	for _, _toItem := range _to {
		_toRule = append(_toRule, _toItem)
	}
	var _tokenIdRule []interface{}
	for _, _tokenIdItem := range _tokenId {
		_tokenIdRule = append(_tokenIdRule, _tokenIdItem)
	}

	logs, sub, err := _ERC721.contract.FilterLogs(opts, "Transfer", _fromRule, _toRule, _tokenIdRule)
	if err != nil {
		return nil, err
	}
	return &ERC721TransferIterator{contract: _ERC721.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 _from, address indexed _to, uint256 indexed _tokenId)
func (_ERC721 *ERC721Filterer) WatchTransfer(opts *bind.WatchOpts, sink chan<- *ERC721Transfer, _from []common.Address, _to []common.Address, _tokenId []*big.Int) (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)
	}
	var _tokenIdRule []interface{}
	for _, _tokenIdItem := range _tokenId {
		_tokenIdRule = append(_tokenIdRule, _tokenIdItem)
	}

	logs, sub, err := _ERC721.contract.WatchLogs(opts, "Transfer", _fromRule, _toRule, _tokenIdRule)
	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(ERC721Transfer)
				if err := _ERC721.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 _from, address indexed _to, uint256 indexed _tokenId)
func (_ERC721 *ERC721Filterer) ParseTransfer(log types.Log) (*ERC721Transfer, error) {
	event := new(ERC721Transfer)
	if err := _ERC721.contract.UnpackLog(event, "Transfer", log); err != nil {
		return nil, err
	}
	event.Raw = log
	return event, nil
}