Adjust price impact for swap out token decimals

IndigoProtocol · Nov 23, 2023 · ab36ce5 · ab36ce5
1 parent f3e5ebe
commit ab36ce5
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/dex/wingriders.ts b/src/dex/wingriders.ts
@@ -177,9 +177,13 @@ export class WingRiders extends BaseDex {
     }
 
     priceImpactPercent(liquidityPool: LiquidityPool, swapInToken: Token, swapInAmount: bigint): number {
+        const swapOutTokenDecimals: number = tokensMatch(liquidityPool.assetA, swapInToken)
+            ? (liquidityPool.assetB === 'lovelace' ? 6 : liquidityPool.assetB.decimals)
+            : (liquidityPool.assetA === 'lovelace' ? 6 : liquidityPool.assetA.decimals)
+
         const estimatedReceive: bigint = this.estimatedReceive(liquidityPool, swapInToken, swapInAmount);
         const swapPrice: number = (Number(swapInAmount) / 10**(swapInToken === 'lovelace' ? 6 : swapInToken.decimals))
-            / Number(estimatedReceive);
+            / (Number(estimatedReceive) / 10**swapOutTokenDecimals);
         const poolPrice: number = tokensMatch(liquidityPool.assetA, swapInToken)
             ? liquidityPool.price
             : (1 / liquidityPool.price);