Update token ticker validation rules

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@multiversx/sdk-core",
-  "version": "13.17.1",
+  "version": "13.17.2",
   "description": "MultiversX SDK for JavaScript and TypeScript",
   "author": "MultiversX",
   "homepage": "https://multiversx.com",

src/tokens.spec.ts

@@ -46,6 +46,22 @@ describe("test tokens and token computer", async () => {
         const fungibleTokenIdentifier = "FNG-123456";
         identifier = tokenComputer.extractIdentifierFromExtendedIdentifier(fungibleTokenIdentifier);
         assert.equal(identifier, "FNG-123456");
+
+        const numericTokenTicker = "2065-65td7s";
+        identifier = tokenComputer.extractIdentifierFromExtendedIdentifier(numericTokenTicker);
+        assert.equal(identifier, "2065-65td7s");
+
+        const numericTokenTickerWithNonce = "2065-65td7s-01";
+        identifier = tokenComputer.extractIdentifierFromExtendedIdentifier(numericTokenTickerWithNonce);
+        assert.equal(identifier, "2065-65td7s");
+
+        const numericTokenTickerWithPrefix = "t0-2065-65td7s";
+        identifier = tokenComputer.extractIdentifierFromExtendedIdentifier(numericTokenTickerWithPrefix);
+        assert.equal(identifier, "t0-2065-65td7s");
+
+        const numericTokenTickerWithPrefixAndNonce = "t0-2065-65td7s";
+        identifier = tokenComputer.extractIdentifierFromExtendedIdentifier(numericTokenTickerWithPrefixAndNonce);
+        assert.equal(identifier, "t0-2065-65td7s")
     });
 
     it("should fail if prefix longer than expected", async () => {

src/tokens.ts

@@ -273,7 +273,7 @@ export class TokenComputer {
     }
 
     private splitIdentifierIntoComponents(parts: string[]): { prefix: any; ticker: any; randomSequence: any } {
-        if (this.isLowercaseAlphanumeric(parts[0])) {
+        if (parts.length >= 3 && parts[2].length === this.TOKEN_RANDOM_SEQUENCE_LENGTH) {
             return { prefix: parts[0], ticker: parts[1], randomSequence: parts[2] };
         }
 
@@ -329,10 +329,6 @@ export class TokenComputer {
         if (!ticker.match(/^[a-zA-Z0-9]+$/)) {
             throw new ErrInvalidTokenIdentifier("The token ticker should only contain alphanumeric characters");
         }
-
-        if (!(ticker == ticker.toUpperCase())) {
-            throw new ErrInvalidTokenIdentifier("The token ticker should be upper case");
-        }
     }
 }