Add search addresses from cross networks feature

frontend/src/app/shared/regex.utils.ts

@@ -1,3 +1,5 @@
+import { Env } from '../services/state.service';
+
 // all base58 characters
 const BASE58_CHARS = `[a-km-zA-HJ-NP-Z1-9]`;
 
@@ -148,6 +150,41 @@ export function findOtherNetworks(address: string, skipNetwork: Network): {netwo
     .map(([, network]) => ({ network, address }));
 }
 
+export function needBaseModuleChange(fromBaseModule: 'mempool' | 'liquid' | 'bisq', toNetwork: Network): boolean {
+  if (!toNetwork) return false; // No target network means no change needed
+  if (fromBaseModule === 'mempool') {
+    return toNetwork !== 'mainnet' && toNetwork !== 'testnet' && toNetwork !== 'signet';
+  }
+  if (fromBaseModule === 'liquid') {
+    return toNetwork !== 'liquid' && toNetwork !== 'liquidtestnet';
+  }
+  if (fromBaseModule === 'bisq') {
+    return toNetwork !== 'bisq';
+  }
+}
+
+export function getTargetUrl(toNetwork: Network, address: string, env: Env): string {
+  let targetUrl = '';
+  if (toNetwork === 'liquid' || toNetwork === 'liquidtestnet') {
+    targetUrl = env.LIQUID_WEBSITE_URL;
+    targetUrl += (toNetwork === 'liquidtestnet' ? '/testnet' : '');
+    targetUrl += '/address/';
+    targetUrl += address;
+  }
+  if (toNetwork === 'bisq') {
+    targetUrl = env.BISQ_WEBSITE_URL;
+    targetUrl += '/address/';
+    targetUrl += address;
+  }
+  if (toNetwork === 'mainnet' || toNetwork === 'testnet' || toNetwork === 'signet') {
+    targetUrl = env.MEMPOOL_WEBSITE_URL;
+    targetUrl += (toNetwork === 'mainnet' ? '' : `/${toNetwork}`);
+    targetUrl += '/address/';
+    targetUrl += address;
+  }
+  return targetUrl;
+}
+
 export function getRegex(type: RegexTypeNoAddrNoBlockHash): RegExp;
 export function getRegex(type: 'address', network: Network): RegExp;
 export function getRegex(type: 'blockhash', network: Network): RegExp;