chore: remove trailing zeros (#597)

util/amountInputValidation.ts

@@ -6,12 +6,14 @@
  */
 export const amountInputValidation = (input: string): string => {
   const amount = input.
-  // Limiting the number of characters to be 32
+    // Limiting the number of characters to be 32
     slice(0, 32).
-  // Disallowing leading decimal place and multiple zeros before decimal place
+    // Disallowing leading decimal place and multiple zeros before decimal place
     replace(/^(?:\.|0{2,}\.)/u, '0.').
-  // Eliminating multiple leading zeros before the numbers between 1-9
-    replace(/^0+(?=[0-9])/u, '')
+    // Eliminating multiple leading zeros before the numbers between 1-9
+    replace(/^0+(?=[0-9])/u, '').
+    // Remove excess zeros after decimal point
+    replace(/\.(\d+?)0{2,}$/u, '.$10')
   // Ensuring multiple decimal points can't be used
   return input.indexOf('.') !== amount.lastIndexOf('.') ?
     amount.slice(0, amount.indexOf('.') + 1) + amount.slice(amount.indexOf('.')).replaceAll('.', '')