consensus: verify header hash is same as input hash in getEpochSwitchInfo (#1627)

wanwiset25 · web-flow · commit b49f6cb0f283 · 2025-10-28T09:30:38.000+07:00
diff --git a/consensus/XDPoS/engines/engine_v2/epochSwitch.go b/consensus/XDPoS/engines/engine_v2/epochSwitch.go
@@ -42,6 +42,10 @@ func (x *XDPoS_v2) getEpochSwitchInfo(chain consensus.ChainReader, header *types
 		if h == nil {
 			return nil, fmt.Errorf("[getEpochSwitchInfo] can not find header from db hash %v", hash.Hex())
 		}
+	} else {
+		if h.Hash() != hash {
+			return nil, fmt.Errorf("[getEpochSwitchInfo] header hash not match, header hash %v, input hash %v", h.Hash().Hex(), hash.Hex())
+		}
 	}
 	isEpochSwitch, _, err := x.IsEpochSwitch(h)
 	if err != nil {

Original file line number	Diff line number	Diff line change
`@@ -42,6 +42,10 @@ func (x XDPoS_v2) getEpochSwitchInfo(chain consensus.ChainReader, header types`
`42`	`42`	`if h == nil {`
`43`	`43`	`return nil, fmt.Errorf("[getEpochSwitchInfo] can not find header from db hash %v", hash.Hex())`
`44`	`44`	`}`
	`45`	`+ } else {`
	`46`	`+ if h.Hash() != hash {`
	`47`	`+ return nil, fmt.Errorf("[getEpochSwitchInfo] header hash not match, header hash %v, input hash %v", h.Hash().Hex(), hash.Hex())`
	`48`	`+ }`
`45`	`49`	`}`
`46`	`50`	`isEpochSwitch, _, err := x.IsEpochSwitch(h)`
`47`	`51`	`if err != nil {`