fix: parseUnits for with big formatted amounts (#740)

Author: luizstacio

.changeset/spotty-ladybugs-teach.md

@@ -0,0 +1,5 @@
+---
+"@fuel-ts/math": patch
+---
+
+Fix parseUnits for bit amounts

packages/math/src/bn.test.ts

@@ -467,6 +467,8 @@ describe('Math - BN', () => {
     expect(bn.parseUnits('100.00002').toHex()).toEqual(bn('100000020000').toHex());
     expect(bn.parseUnits('100,100.00002').toHex()).toEqual(bn('100100000020000').toHex());
     expect(bn.parseUnits('100,100.00002', 5).toHex()).toEqual(bn('10010000002').toHex());
+    expect(bn.parseUnits('1,100,100.00002', 5).toHex()).toEqual(bn('110010000002').toHex());
+    expect(bn.parseUnits('100,100,100.00002', 5).toHex()).toEqual(bn('10010010000002').toHex());
     expect(bn.parseUnits('.').toHex()).toEqual(bn('0').toHex());
     expect(bn.parseUnits('.', 5).toHex()).toEqual(bn('0').toHex());
 

packages/math/src/bn.ts

@@ -269,6 +269,6 @@ bn.parseUnits = (value: string, units: number = DECIMAL_UNITS): BN => {
 
   const decimals = Array.from({ length: units }).fill('0');
   decimals.splice(0, length, valueDecimals);
-  const amount = `${valueUnits.replace(',', '')}${decimals.join('')}`;
+  const amount = `${valueUnits.replaceAll(',', '')}${decimals.join('')}`;
   return bn(amount);
 };