go-ethereum/accounts/abi/abigen/testdata/v2/eventchecker.go.txt
nthumann 52ec2b5f47
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accounts/abi: fix panic when check event with log has empty or nil topics (#32503)
When the log has empty or nil topics, the generated bindings code will
panic when accessing `log.Topics[0]`, add a check to avoid it.
2025-08-27 20:36:45 +08:00

261 lines
8.5 KiB
Text

// Code generated via abigen V2 - DO NOT EDIT.
// This file is a generated binding and any manual changes will be lost.
package bindtests
import (
"bytes"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/accounts/abi/bind/v2"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
// Reference imports to suppress errors if they are not otherwise used.
var (
_ = bytes.Equal
_ = errors.New
_ = big.NewInt
_ = common.Big1
_ = types.BloomLookup
_ = abi.ConvertType
)
// EventCheckerMetaData contains all meta data concerning the EventChecker contract.
var EventCheckerMetaData = bind.MetaData{
ABI: "[{\"type\":\"event\",\"name\":\"empty\",\"inputs\":[]},{\"type\":\"event\",\"name\":\"indexed\",\"inputs\":[{\"name\":\"addr\",\"type\":\"address\",\"indexed\":true},{\"name\":\"num\",\"type\":\"int256\",\"indexed\":true}]},{\"type\":\"event\",\"name\":\"mixed\",\"inputs\":[{\"name\":\"addr\",\"type\":\"address\",\"indexed\":true},{\"name\":\"num\",\"type\":\"int256\"}]},{\"type\":\"event\",\"name\":\"anonymous\",\"anonymous\":true,\"inputs\":[]},{\"type\":\"event\",\"name\":\"dynamic\",\"inputs\":[{\"name\":\"idxStr\",\"type\":\"string\",\"indexed\":true},{\"name\":\"idxDat\",\"type\":\"bytes\",\"indexed\":true},{\"name\":\"str\",\"type\":\"string\"},{\"name\":\"dat\",\"type\":\"bytes\"}]},{\"type\":\"event\",\"name\":\"unnamed\",\"inputs\":[{\"name\":\"\",\"type\":\"uint256\",\"indexed\":true},{\"name\":\"\",\"type\":\"uint256\",\"indexed\":true}]}]",
ID: "253d421f98e29b25315bde79c1251ab27c",
}
// EventChecker is an auto generated Go binding around an Ethereum contract.
type EventChecker struct {
abi abi.ABI
}
// NewEventChecker creates a new instance of EventChecker.
func NewEventChecker() *EventChecker {
parsed, err := EventCheckerMetaData.ParseABI()
if err != nil {
panic(errors.New("invalid ABI: " + err.Error()))
}
return &EventChecker{abi: *parsed}
}
// Instance creates a wrapper for a deployed contract instance at the given address.
// Use this to create the instance object passed to abigen v2 library functions Call, Transact, etc.
func (c *EventChecker) Instance(backend bind.ContractBackend, addr common.Address) *bind.BoundContract {
return bind.NewBoundContract(addr, c.abi, backend, backend, backend)
}
// EventCheckerDynamic represents a dynamic event raised by the EventChecker contract.
type EventCheckerDynamic struct {
IdxStr common.Hash
IdxDat common.Hash
Str string
Dat []byte
Raw *types.Log // Blockchain specific contextual infos
}
const EventCheckerDynamicEventName = "dynamic"
// ContractEventName returns the user-defined event name.
func (EventCheckerDynamic) ContractEventName() string {
return EventCheckerDynamicEventName
}
// UnpackDynamicEvent is the Go binding that unpacks the event data emitted
// by contract.
//
// Solidity: event dynamic(string indexed idxStr, bytes indexed idxDat, string str, bytes dat)
func (eventChecker *EventChecker) UnpackDynamicEvent(log *types.Log) (*EventCheckerDynamic, error) {
event := "dynamic"
if len(log.Topics) == 0 || log.Topics[0] != eventChecker.abi.Events[event].ID {
return nil, errors.New("event signature mismatch")
}
out := new(EventCheckerDynamic)
if len(log.Data) > 0 {
if err := eventChecker.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return nil, err
}
}
var indexed abi.Arguments
for _, arg := range eventChecker.abi.Events[event].Inputs {
if arg.Indexed {
indexed = append(indexed, arg)
}
}
if err := abi.ParseTopics(out, indexed, log.Topics[1:]); err != nil {
return nil, err
}
out.Raw = log
return out, nil
}
// EventCheckerEmpty represents a empty event raised by the EventChecker contract.
type EventCheckerEmpty struct {
Raw *types.Log // Blockchain specific contextual infos
}
const EventCheckerEmptyEventName = "empty"
// ContractEventName returns the user-defined event name.
func (EventCheckerEmpty) ContractEventName() string {
return EventCheckerEmptyEventName
}
// UnpackEmptyEvent is the Go binding that unpacks the event data emitted
// by contract.
//
// Solidity: event empty()
func (eventChecker *EventChecker) UnpackEmptyEvent(log *types.Log) (*EventCheckerEmpty, error) {
event := "empty"
if len(log.Topics) == 0 || log.Topics[0] != eventChecker.abi.Events[event].ID {
return nil, errors.New("event signature mismatch")
}
out := new(EventCheckerEmpty)
if len(log.Data) > 0 {
if err := eventChecker.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return nil, err
}
}
var indexed abi.Arguments
for _, arg := range eventChecker.abi.Events[event].Inputs {
if arg.Indexed {
indexed = append(indexed, arg)
}
}
if err := abi.ParseTopics(out, indexed, log.Topics[1:]); err != nil {
return nil, err
}
out.Raw = log
return out, nil
}
// EventCheckerIndexed represents a indexed event raised by the EventChecker contract.
type EventCheckerIndexed struct {
Addr common.Address
Num *big.Int
Raw *types.Log // Blockchain specific contextual infos
}
const EventCheckerIndexedEventName = "indexed"
// ContractEventName returns the user-defined event name.
func (EventCheckerIndexed) ContractEventName() string {
return EventCheckerIndexedEventName
}
// UnpackIndexedEvent is the Go binding that unpacks the event data emitted
// by contract.
//
// Solidity: event indexed(address indexed addr, int256 indexed num)
func (eventChecker *EventChecker) UnpackIndexedEvent(log *types.Log) (*EventCheckerIndexed, error) {
event := "indexed"
if len(log.Topics) == 0 || log.Topics[0] != eventChecker.abi.Events[event].ID {
return nil, errors.New("event signature mismatch")
}
out := new(EventCheckerIndexed)
if len(log.Data) > 0 {
if err := eventChecker.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return nil, err
}
}
var indexed abi.Arguments
for _, arg := range eventChecker.abi.Events[event].Inputs {
if arg.Indexed {
indexed = append(indexed, arg)
}
}
if err := abi.ParseTopics(out, indexed, log.Topics[1:]); err != nil {
return nil, err
}
out.Raw = log
return out, nil
}
// EventCheckerMixed represents a mixed event raised by the EventChecker contract.
type EventCheckerMixed struct {
Addr common.Address
Num *big.Int
Raw *types.Log // Blockchain specific contextual infos
}
const EventCheckerMixedEventName = "mixed"
// ContractEventName returns the user-defined event name.
func (EventCheckerMixed) ContractEventName() string {
return EventCheckerMixedEventName
}
// UnpackMixedEvent is the Go binding that unpacks the event data emitted
// by contract.
//
// Solidity: event mixed(address indexed addr, int256 num)
func (eventChecker *EventChecker) UnpackMixedEvent(log *types.Log) (*EventCheckerMixed, error) {
event := "mixed"
if len(log.Topics) == 0 || log.Topics[0] != eventChecker.abi.Events[event].ID {
return nil, errors.New("event signature mismatch")
}
out := new(EventCheckerMixed)
if len(log.Data) > 0 {
if err := eventChecker.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return nil, err
}
}
var indexed abi.Arguments
for _, arg := range eventChecker.abi.Events[event].Inputs {
if arg.Indexed {
indexed = append(indexed, arg)
}
}
if err := abi.ParseTopics(out, indexed, log.Topics[1:]); err != nil {
return nil, err
}
out.Raw = log
return out, nil
}
// EventCheckerUnnamed represents a unnamed event raised by the EventChecker contract.
type EventCheckerUnnamed struct {
Arg0 *big.Int
Arg1 *big.Int
Raw *types.Log // Blockchain specific contextual infos
}
const EventCheckerUnnamedEventName = "unnamed"
// ContractEventName returns the user-defined event name.
func (EventCheckerUnnamed) ContractEventName() string {
return EventCheckerUnnamedEventName
}
// UnpackUnnamedEvent is the Go binding that unpacks the event data emitted
// by contract.
//
// Solidity: event unnamed(uint256 indexed arg0, uint256 indexed arg1)
func (eventChecker *EventChecker) UnpackUnnamedEvent(log *types.Log) (*EventCheckerUnnamed, error) {
event := "unnamed"
if len(log.Topics) == 0 || log.Topics[0] != eventChecker.abi.Events[event].ID {
return nil, errors.New("event signature mismatch")
}
out := new(EventCheckerUnnamed)
if len(log.Data) > 0 {
if err := eventChecker.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return nil, err
}
}
var indexed abi.Arguments
for _, arg := range eventChecker.abi.Events[event].Inputs {
if arg.Indexed {
indexed = append(indexed, arg)
}
}
if err := abi.ParseTopics(out, indexed, log.Topics[1:]); err != nil {
return nil, err
}
out.Raw = log
return out, nil
}