fix: metadata value non-ascii utf8 encoding issue fixed

Author: Baha

src/core/format/Convert.ts

@@ -190,7 +190,7 @@ export class Convert {
      * @return {Uint8Array}
      */
     public static utf8ToUint8 = (input: string): Uint8Array => {
-        const hex = Convert.utf8ToHex(Convert.rstr2utf8(input));
+        const hex = Convert.utf8ToHex(input);
         return Convert.hexToUint8(hex);
     };
 

test/core/format/Convert.spec.ts

@@ -407,7 +407,7 @@ describe('convert', () => {
         });
     });
 
-    describe('utf8ToUni8', () => {
+    describe('utf8ToUint8', () => {
         it('should convert numeric string to Uint8Array', () => {
             const actual = '123456789';
             // Act:
@@ -428,6 +428,16 @@ describe('convert', () => {
             expect(uint.length).to.be.equal(actual.length);
             expect(convert.uint8ToHex(uint)).to.be.equal('74657374');
         });
+
+        it('should convert non-ascii utf8 string to Uint8Array', () => {
+            const actual = '存在';
+            // Act:
+            const uint = convert.utf8ToUint8(actual);
+
+            // Assert:
+            expect(uint.length).to.be.equal(6);
+            expect(convert.uint8ToHex(uint)).to.be.equal('E5AD98E59CA8');
+        });
     });
 
     describe('uint8ToUtf8', () => {
@@ -450,6 +460,16 @@ describe('convert', () => {
             // Assert:
             expect(result).to.be.equal(expected);
         });
+
+        it('should convert Uint8Array to non-ascii utf8 string ', () => {
+            const expected = '存在';
+            const actual = convert.utf8ToUint8(expected);
+            // Act:
+            const result = convert.uint8ToUtf8(actual);
+
+            // Assert:
+            expect(result).to.be.equal(expected);
+        });
     });
 
     describe('numberToUint8Array', () => {