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accounts/abi/bind: check event signature before parsing (#23230)

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* accounts/abi/bind: check event signature before parsing

* remove redundant break line
This commit is contained in:
Yihau Chen
2021-09-28 18:56:03 +08:00
committed by GitHub
parent 783e97ef1f
commit 92c5d104d0
2 changed files with 11 additions and 5 deletions
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6
accounts/abi/bind/base.go
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@ -431,6 +431,9 @@ func (c *BoundContract) WatchLogs(opts *WatchOpts, name string, query ...[]inter
// UnpackLog unpacks a retrieved log into the provided output structure.
func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log) error {
if log.Topics[0] != c.abi.Events[event].ID {
return fmt.Errorf("event signature mismatch")
}
if len(log.Data) > 0 {
if err := c.abi.UnpackIntoInterface(out, event, log.Data); err != nil {
return err
@ -447,6 +450,9 @@ func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log)
// UnpackLogIntoMap unpacks a retrieved log into the provided map.
func (c *BoundContract) UnpackLogIntoMap(out map[string]interface{}, event string, log types.Log) error {
if log.Topics[0] != c.abi.Events[event].ID {
return fmt.Errorf("event signature mismatch")
}
if len(log.Data) > 0 {
if err := c.abi.UnpackIntoMap(out, event, log.Data); err != nil {
return err