Modify Name Lookup Snap for Fuzzy Searching

packages/examples/packages/name-lookup/snap.manifest.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/MetaMask/snaps.git"
   },
   "source": {
-    "shasum": "xk7O5itVsuV3Dfldq3rI3WgggHa3z7HX7e17jzheE8w=",
+    "shasum": "xFeB7CqtdR3GLUmfSmxzes32oUFEVzCbniKprMtx7vY=",
     "location": {
       "npm": {
         "filePath": "dist/bundle.js",

packages/examples/packages/name-lookup/src/index.test.ts

@@ -3,7 +3,7 @@ import type { ChainId } from '@metamask/snaps-sdk';
 
 import { onNameLookup } from '.';
 
-const DOMAIN_MOCK = 'test.domain';
+const DOMAIN_MOCK = 'fooBar';
 const ADDRESS_MOCK = '0xc0ffee254729296a45a3885639AC7E10F9d54979';
 const CHAIN_ID_MOCK = 'eip155:1' as ChainId;
 

packages/examples/packages/name-lookup/src/index.ts

@@ -21,12 +21,36 @@ export const onNameLookup: OnNameLookupHandler = async (request) => {
   }
 
   if (domain) {
-    const resolvedAddress = '0xc0ffee254729296a45a3885639AC7E10F9d54979';
-    return {
-      resolvedAddresses: [
-        { resolvedAddress, protocol: 'test protocol', domainName: domain },
-      ],
+    const resolutions = {
+      fooBar: '0xc0ffee254729296a45a3885639AC7E10F9d54979',
+      bar: '0x0000000000000000000000000000000000000000',
+      barstool: '0x1234567890123456789012345678901234567890',
     };
+
+    const getResolution = (domainName: string) => {
+      if (resolutions[domainName]) {
+        return {
+          resolvedAddress: resolutions[domainName],
+          domainName,
+          protocol: 'test protocol',
+        };
+      }
+      const entries = Object.entries(resolutions);
+      for (const [key, value] of entries) {
+        if (key.toLowerCase().startsWith(domainName.toLowerCase())) {
+          return {
+            domainName: key,
+            resolvedAddress: value,
+            protocol: 'test protocol',
+          };
+        }
+      }
+      return null;
+    };
+    const fetchedResolution = getResolution(domain);
+    if (fetchedResolution !== null) {
+      return { resolvedAddresses: [fetchedResolution] };
+    }
   }
 
   return null;