fix: process position calculate position amount

Author: 00xSam

CHANGELOG.md

@@ -19,6 +19,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security
 
+## @meteora-ag/dlmm [1.5.3] - PR #213
+
+### Fixed
+
+- fix `processPosition` to use decimal.js calculate `positionXAmount`
+
 ## @meteora-ag/dlmm [1.5.2] - PR #209
 
 ### Fixed

ts-client/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@meteora-ag/dlmm",
-  "version": "1.5.2",
+  "version": "1.5.3",
   "description": "",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",

ts-client/src/dlmm/index.ts

@@ -6169,11 +6169,15 @@ export class DLMM {
 
       const positionXAmount = binSupply.eq(ZERO)
         ? ZERO
-        : posShare.mul(bin.xAmount).div(binSupply);
+        : new Decimal(posShare.toString())
+            .mul(new Decimal(bin.xAmount.toString()))
+            .div(new Decimal(binSupply.toString()));
 
       const positionYAmount = binSupply.eq(ZERO)
         ? ZERO
-        : posShare.mul(bin.yAmount).div(binSupply);
+        : new Decimal(posShare.toString())
+            .mul(new Decimal(bin.yAmount.toString()))
+            .div(new Decimal(binSupply.toString()));
 
       totalXAmount = totalXAmount.add(new Decimal(positionXAmount.toString()));
       totalYAmount = totalYAmount.add(new Decimal(positionYAmount.toString()));