通过特征找合约的例子。

scripts/uniswap_swap_router_listener.ts

@@ -5,8 +5,8 @@ function sleep(ms: number) {
   return new Promise(resolve => setTimeout(resolve, ms));
 }
 
-// const FEATURE_STRING = "0x414bf389"
-const FEATURE_STRING = "0x3593564c"
+const FEATURE_STRING = "0x414bf389"
+// const FEATURE_STRING = "0x3593564c"
 let lastBlockNumber = 0
 
 function txHandler(tx: any) {