feat: remove outdated web3.utils._ lib usage

Author: MirandaWood

merkle-tree/src/utils-web3.js

@@ -206,12 +206,18 @@ async function subscribeToEvent(
     type: 'event',
     signature: '0x881cc8af0159324ccea314ad98a0cf26fe0e460c2afa693c92f591613d4de7b2' }
   */
-  const eventJsonInterface = web3.utils._.find(
-    contractInstance._jsonInterface, // eslint-disable-line no-underscore-dangle
-    o => o.name === eventName && o.type === 'event',
-  );
 
-  logger.silly(`eventJsonInterface: ${JSON.stringify(eventJsonInterface, null, 2)}`);
+
+  // changed below for sepolia ws url - NOT TESTED ON ANY OTHER BLOCKCHAIN
+  
+  // const eventJsonInterface = web3.utils._.find(
+  //   contractInstance._jsonInterface, // eslint-disable-line no-underscore-dangle
+  //   o => o.name === eventName && o.type === 'event',
+  // );
+
+  const eventJsonInterface = contractInstance._jsonInterface.find(o => o.name === eventName && o.type === 'event');
+
+  logger.info(`eventJsonInterface: ${JSON.stringify(eventJsonInterface, null, 2)}`);
 
   const eventSubscription = await contractInstance.events[eventName]({
     fromBlock,