diff --git a/harb-lib/README.md b/harb-lib/README.md
index a4b697f..c9d4ee0 100644
--- a/harb-lib/README.md
+++ b/harb-lib/README.md
@@ -19,4 +19,15 @@ then
 import {bytesToUint256LittleEndian, uint256ToBytesLittleEndian} from 'harb-lib'
 
 uint256ToBytesLittleEndian(3n);
-```
\ No newline at end of file
+```
+
+## get Snatch List
+
+
+```
+import { getSnatchList } from "../helpers";
+
+getSnatchList(<list of positions, <amount of stake>, <new tax rate>);
+
+```
+
diff --git a/harb-lib/src/helpers.ts b/harb-lib/src/helpers.ts
index 62197b3..f84929b 100644
--- a/harb-lib/src/helpers.ts
+++ b/harb-lib/src/helpers.ts
@@ -20,10 +20,9 @@ export function getSnatchList(
 	const rv: bigint[] = [];
 	let i = 0;
 	while (needed > 0 && i < positions.length) {
-		const available = (STAKE_TOTOAL_SUPPLY * BigInt(Math.round(sortedActivePositions[i].share * 100000))) / BigInt(100000);
+		const available = (STAKE_TOTOAL_SUPPLY * BigInt(Math.round(sortedActivePositions[i].share * 10000000))) / BigInt(10000000);
 		if (sortedActivePositions[i].taxRate < taxRate) {
 			rv.push(bytesToUint256LittleEndian(sortedActivePositions[i].id));
-			console.log(rv, available);
 			needed -= available;
 		}
 		i++;
diff --git a/harb-lib/src/tests/helpers.test.ts b/harb-lib/src/tests/helpers.test.ts
index 8cbe6ea..2f55253 100644
--- a/harb-lib/src/tests/helpers.test.ts
+++ b/harb-lib/src/tests/helpers.test.ts
@@ -3,10 +3,7 @@ import { getSnatchList } from "../helpers";
 import { Position, PositionStatus } from '../__generated__/graphql';
 
 
-describe('BigInt Conversion Functions', () => {
-  test('get a list of positions to snatch', async () => {
-
-    const mockPos: Position[] = [
+    const mockPos1: Position[] = [
       {
         __typename: 'Position',
         id: uint256ToBytesLittleEndian(3n),
@@ -36,7 +33,17 @@ describe('BigInt Conversion Functions', () => {
       }
     ];
 
-    expect(getSnatchList(mockPos, 20000000000000000000n, 0.03)).toEqual([4n, 5n]);
+describe('BigInt Conversion Functions', () => {
+  test('get a list of positions to snatch', async () => {
+    // snatch 20 of 10000000 stake
+    expect(getSnatchList(mockPos1, 20000000000000000000n, 0.03)).toEqual([4n, 5n]);
+    // snatch 10 of 10000000 stake
+    expect(getSnatchList(mockPos1, 10000000000000000000n, 0.02)).toEqual([4n]);
+    // snatch 10 of 10000000 stake
+    expect(getSnatchList(mockPos1, 30000000000000000000n, 0.06)).toEqual([4n, 5n, 3n]);
   });
 
+  test('test error', async () => {
+    expect(() => {getSnatchList(mockPos1, 20000000000000000000n, 0.02)}).toThrow("Not enough capacity");
+  });
 });