fixup! chore: reusable tinybarsToWeibars method

Signed-off-by: Nadezhda Popova <nadezhdapopova@Nadezhdas-Work-MacBook-Pro.local>
hashgraph · Oct 9, 2024 · 8372d35 · 8372d35
1 parent 3f63bf5
commit 8372d35
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Showing 2 changed files with 16 additions and 3 deletions.
diff --git a/packages/relay/src/formatters.ts b/packages/relay/src/formatters.ts
@@ -301,8 +301,9 @@ const getFunctionSelector = (data?: string): string => {
   return data.replace(/^0x/, '').substring(0, 8);
 };
 
-const tinybarsToWeibars = (value) => {
-  return value * constants.TINYBAR_TO_WEIBAR_COEF;
+const tinybarsToWeibars = (value: number | null) => {
+  if (value && value < 0) throw new Error('Invalid value, cannot pass negative number.');
+  return value == null ? null : value * constants.TINYBAR_TO_WEIBAR_COEF;
 };
 
 export {

diff --git a/packages/relay/tests/lib/formatters.spec.ts b/packages/relay/tests/lib/formatters.spec.ts
@@ -739,9 +739,21 @@ describe('Formatters', () => {
     });
   });
 
-  describe('getFunctionSelector', () => {
+  describe('tinybarsToWeibars', () => {
     it('should convert tinybars to weibars', () => {
       expect(tinybarsToWeibars(10)).to.eql(100000000000);
     });
+
+    it('should return null if null is passed', () => {
+      expect(tinybarsToWeibars(null)).to.eql(null);
+    });
+
+    it('should return 0 for 0 input', () => {
+      expect(tinybarsToWeibars(0)).to.eql(0);
+    });
+
+    it('should throw an error when value is smaller than 0', () => {
+      expect(() => (tinybarsToWeibars(-10))).to.throw(Error, 'Invalid value, cannot pass negative number.');
+    });
   });
 });