refac(light): remove unneeded member variable

light/txpool.go

@@ -70,11 +70,6 @@ type TxPool struct {
 
 	istanbul bool // Fork indicator whether we are in the istanbul stage.
 	eip2718  bool // Fork indicator whether we are in the eip2718 stage.
-
-	// [Scroll: START]
-	// NOTE(chokobole): This part is different from scroll
-	zktrie bool
-	// [Scroll: END]
 }
 
 // TxRelayBackend provides an interface to the mechanism that forwards transactions to the
@@ -109,10 +104,6 @@ func NewTxPool(config *params.ChainConfig, chain *LightChain, relay TxRelayBacke
 		chainDb:     chain.Odr().Database(),
 		head:        chain.CurrentHeader().Hash(),
 		clearIdx:    chain.CurrentHeader().Number.Uint64(),
-		// [Scroll: START]
-		// NOTE(chokobole): This part is different from scroll
-		zktrie: config.Zktrie,
-		// [Scroll: END]
 	}
 	// Subscribe events from blockchain
 	pool.chainHeadSub = pool.chain.SubscribeChainHeadEvent(pool.chainHeadCh)
@@ -125,7 +116,7 @@ func NewTxPool(config *params.ChainConfig, chain *LightChain, relay TxRelayBacke
 func (pool *TxPool) currentState(ctx context.Context) *state.StateDB {
 	// [Scroll: START]
 	// NOTE(chokobole): This part is different from scroll
-	return NewState(ctx, pool.chain.CurrentHeader(), pool.odr, pool.zktrie)
+	return NewState(ctx, pool.chain.CurrentHeader(), pool.odr, pool.config.Zktrie)
 	// [Scroll: END]
 }