package com.crm.manager.util; public class BlockchainUtils { public static String getTransactionUrl(String blockchain, String transactionId) { String url = null; switch (blockchain) { case "ethereum": url = "https://etherscan.io/tx/" + transactionId; break; case "tron": url = "https://tronscan.org/#/transaction/" + transactionId; break; default: break; } return url; } }