Merge pull request #52 from pontem-network/LS-1909-customFee

LS-1909 custom fee
pontem-network · May 6, 2024 · 23e28e9 · 23e28e9
2 parents ac8936c + c03c5d1
commit 23e28e9
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pontem/liquidswap-sdk",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "description": "SDK to use LiquidSwap functions",
   "author": "Igor Demko <igor@pontem.network>",
   "repository": "https://github.com/pontem-network/liquidswap-sdk",

diff --git a/src/modules/SwapModule.ts b/src/modules/SwapModule.ts
@@ -24,6 +24,7 @@ export type CalculateRatesParams = {
   interactiveToken: 'from' | 'to';
   curveType: CurveType;
   version?: typeof VERSION_0 | typeof VERSION_0_5;
+  additionalFee?: number;
 };
 
 export type CreateTXPayloadParams = {
@@ -112,7 +113,11 @@ export class SwapModule implements IModule {
       ? d(liquidityPoolResource.data.coin_y_reserve.value)
       : d(liquidityPoolResource.data.coin_x_reserve.value);
 
-    const fee = d(liquidityPoolResource.data.fee);
+    let fee = d(liquidityPoolResource.data.fee);
+
+    if (params.additionalFee) {
+      fee = fee.plus(params.additionalFee);
+    }
 
     const coinFromDecimals = +sortedFromCoinInfo.data.decimals;
     const coinToDecimals = +sortedToCoinInfo.data.decimals;