Change compare logic in draft donation service (#1823)

* Change compare amount logic, in draft donation service

related to #1819 https://github.com/GeneralMagicio/QAcc-BE/blob/809fa8e57f6cc881acfdf0c387a0a0a8ceebaeae/src/services/chains/index.ts#L105

* Fix test cases

src/services/chains/index.test.ts

@@ -1065,13 +1065,16 @@ function getTransactionDetailTestCases() {
 }
 
 function closeToTestCases() {
-  it('should 0.0008436 and 0.0008658 consider as closed amount', function () {
-    assert.isTrue(closeTo(0.0008436, 0.0008658));
+  it('should not consider 0.0008436 and 0.0008658 as closed amount', function () {
+    assert.isFalse(closeTo(0.0008436, 0.0008658));
   });
-  it('should 0.0001 and 0.00011 consider as closed amount', function () {
-    assert.isTrue(closeTo(0.0001, 0.00011));
+  it('should not consider 0.0001 and 0.00011 as closed amount', function () {
+    assert.isFalse(closeTo(0.0001, 0.00011));
   });
   it('should not consider 0.001 and 0.003 consider as closed amount', function () {
     assert.isFalse(closeTo(0.001, 0.003));
   });
+  it('should  consider 1000.1 and 1000 consider as closed amount', function () {
+    assert.isTrue(closeTo(1000.1, 1000));
+  });
 }

src/services/chains/index.ts

@@ -112,5 +112,5 @@ export function getAppropriateNetworkId(params: {
 
 // This function is used to compare two numbers with a delta as a margin of error
 export const closeTo = (a: number, b: number, delta = 0.001) => {
-  return Math.abs(a - b) < delta;
+  return Math.abs(1 - a / b) < delta;
 };