drop OnReorg

core/blockchain.go

@@ -2359,9 +2359,6 @@ func (bc *BlockChain) reorg(oldHead *types.Header, newHead *types.Block) error {
 		bc.logsFeed.Send(rebirthLogs)
 	}
 
-	if bc.logger != nil && bc.logger.OnReorg != nil {
-		bc.logger.OnReorg(oldChain)
-	}
 	return nil
 }
 

core/tracing/hooks.go

@@ -216,7 +216,6 @@ type Hooks struct {
 	OnBlockEnd          BlockEndHook
 	OnSkippedBlock      SkippedBlockHook
 	OnGenesisBlock      GenesisBlockHook
-	OnReorg             ReorgHook
 	OnSystemCallStart   OnSystemCallStartHook
 	OnSystemCallStartV2 OnSystemCallStartHookV2
 	OnSystemCallEnd     OnSystemCallEndHook

eth/tracers/live/noop.go

@@ -36,7 +36,6 @@ func newNoopTracer(_ json.RawMessage) (*tracing.Hooks, error) {
 		OnBlockEnd:       t.OnBlockEnd,
 		OnSkippedBlock:   t.OnSkippedBlock,
 		OnGenesisBlock:   t.OnGenesisBlock,
-		OnReorg:          t.OnReorg,
 		OnBalanceChange:  t.OnBalanceChange,
 		OnNonceChange:    t.OnNonceChange,
 		OnCodeChange:     t.OnCodeChange,
@@ -84,8 +83,6 @@ func (t *noop) OnBlockchainInit(chainConfig *params.ChainConfig) {
 func (t *noop) OnGenesisBlock(b *types.Block, alloc types.GenesisAlloc) {
 }
 
-func (t *noop) OnReorg(reverted []*types.Block) {}
-
 func (t *noop) OnBalanceChange(a common.Address, prev, new *big.Int, reason tracing.BalanceChangeReason) {
 }