/
erc20.go
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/
erc20.go
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// Code generated - DO NOT EDIT.
// This file is a generated binding and any manual changes will be lost.
package erc20
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
)
// Erc20MetaData contains all meta data concerning the Erc20 contract.
var Erc20MetaData = &bind.MetaData{
ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"tokens\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"}]",
}
// Erc20ABI is the input ABI used to generate the binding from.
// Deprecated: Use Erc20MetaData.ABI instead.
var Erc20ABI = Erc20MetaData.ABI
// Erc20 is an auto generated Go binding around an Ethereum contract.
type Erc20 struct {
Erc20Caller // Read-only binding to the contract
Erc20Transactor // Write-only binding to the contract
Erc20Filterer // Log filterer for contract events
}
// Erc20Caller is an auto generated read-only Go binding around an Ethereum contract.
type Erc20Caller struct {
contract *bind.BoundContract // Generic contract wrapper for the low level calls
}
// Erc20Transactor is an auto generated write-only Go binding around an Ethereum contract.
type Erc20Transactor struct {
contract *bind.BoundContract // Generic contract wrapper for the low level calls
}
// Erc20Filterer is an auto generated log filtering Go binding around an Ethereum contract events.
type Erc20Filterer struct {
contract *bind.BoundContract // Generic contract wrapper for the low level calls
}
// Erc20Session is an auto generated Go binding around an Ethereum contract,
// with pre-set call and transact options.
type Erc20Session struct {
Contract *Erc20 // 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
}
// Erc20CallerSession is an auto generated read-only Go binding around an Ethereum contract,
// with pre-set call options.
type Erc20CallerSession struct {
Contract *Erc20Caller // Generic contract caller binding to set the session for
CallOpts bind.CallOpts // Call options to use throughout this session
}
// Erc20TransactorSession is an auto generated write-only Go binding around an Ethereum contract,
// with pre-set transact options.
type Erc20TransactorSession struct {
Contract *Erc20Transactor // Generic contract transactor binding to set the session for
TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
}
// Erc20Raw is an auto generated low-level Go binding around an Ethereum contract.
type Erc20Raw struct {
Contract *Erc20 // Generic contract binding to access the raw methods on
}
// Erc20CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
type Erc20CallerRaw struct {
Contract *Erc20Caller // Generic read-only contract binding to access the raw methods on
}
// Erc20TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
type Erc20TransactorRaw struct {
Contract *Erc20Transactor // Generic write-only contract binding to access the raw methods on
}
// NewErc20 creates a new instance of Erc20, bound to a specific deployed contract.
func NewErc20(address common.Address, backend bind.ContractBackend) (*Erc20, error) {
contract, err := bindErc20(address, backend, backend, backend)
if err != nil {
return nil, err
}
return &Erc20{Erc20Caller: Erc20Caller{contract: contract}, Erc20Transactor: Erc20Transactor{contract: contract}, Erc20Filterer: Erc20Filterer{contract: contract}}, nil
}
// NewErc20Caller creates a new read-only instance of Erc20, bound to a specific deployed contract.
func NewErc20Caller(address common.Address, caller bind.ContractCaller) (*Erc20Caller, error) {
contract, err := bindErc20(address, caller, nil, nil)
if err != nil {
return nil, err
}
return &Erc20Caller{contract: contract}, nil
}
// NewErc20Transactor creates a new write-only instance of Erc20, bound to a specific deployed contract.
func NewErc20Transactor(address common.Address, transactor bind.ContractTransactor) (*Erc20Transactor, error) {
contract, err := bindErc20(address, nil, transactor, nil)
if err != nil {
return nil, err
}
return &Erc20Transactor{contract: contract}, nil
}
// NewErc20Filterer creates a new log filterer instance of Erc20, bound to a specific deployed contract.
func NewErc20Filterer(address common.Address, filterer bind.ContractFilterer) (*Erc20Filterer, error) {
contract, err := bindErc20(address, nil, nil, filterer)
if err != nil {
return nil, err
}
return &Erc20Filterer{contract: contract}, nil
}
// bindErc20 binds a generic wrapper to an already deployed contract.
func bindErc20(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
parsed, err := abi.JSON(strings.NewReader(Erc20ABI))
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 (_Erc20 *Erc20Raw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
return _Erc20.Contract.Erc20Caller.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 (_Erc20 *Erc20Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
return _Erc20.Contract.Erc20Transactor.contract.Transfer(opts)
}
// Transact invokes the (paid) contract method with params as input values.
func (_Erc20 *Erc20Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
return _Erc20.Contract.Erc20Transactor.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 (_Erc20 *Erc20CallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
return _Erc20.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 (_Erc20 *Erc20TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
return _Erc20.Contract.contract.Transfer(opts)
}
// Transact invokes the (paid) contract method with params as input values.
func (_Erc20 *Erc20TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
return _Erc20.Contract.contract.Transact(opts, method, params...)
}
// Erc20TransferIterator is returned from FilterTransfer and is used to iterate over the raw logs and unpacked data for Transfer events raised by the Erc20 contract.
type Erc20TransferIterator struct {
Event *Erc20Transfer // 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 *Erc20TransferIterator) 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(Erc20Transfer)
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(Erc20Transfer)
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 *Erc20TransferIterator) Error() error {
return it.fail
}
// Close terminates the iteration process, releasing any pending underlying
// resources.
func (it *Erc20TransferIterator) Close() error {
it.sub.Unsubscribe()
return nil
}
// Erc20Transfer represents a Transfer event raised by the Erc20 contract.
type Erc20Transfer struct {
From common.Address
To common.Address
Tokens *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 tokens)
func (_Erc20 *Erc20Filterer) FilterTransfer(opts *bind.FilterOpts, from []common.Address, to []common.Address) (*Erc20TransferIterator, 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 := _Erc20.contract.FilterLogs(opts, "Transfer", fromRule, toRule)
if err != nil {
return nil, err
}
return &Erc20TransferIterator{contract: _Erc20.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 tokens)
func (_Erc20 *Erc20Filterer) WatchTransfer(opts *bind.WatchOpts, sink chan<- *Erc20Transfer, 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 := _Erc20.contract.WatchLogs(opts, "Transfer", 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(Erc20Transfer)
if err := _Erc20.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 tokens)
func (_Erc20 *Erc20Filterer) ParseTransfer(log types.Log) (*Erc20Transfer, error) {
event := new(Erc20Transfer)
if err := _Erc20.contract.UnpackLog(event, "Transfer", log); err != nil {
return nil, err
}
event.Raw = log
return event, nil
}