feat(auction-calculator): add helpers for AuctionGasCostInfo calc (#66)

1inch · Mar 19, 2024 · cb46030 · cb46030
1 parent 71f6717
commit cb46030
Showing 1 changed file with 20 additions and 0 deletions.
diff --git a/src/auction-calculator/auction-calculator.ts b/src/auction-calculator/auction-calculator.ts
@@ -64,6 +64,26 @@ export class AuctionCalculator {
         return addRatioToAmount(auctionTakingAmount, takerFeeRatio)
     }
 
+    /**
+     * Encode estimation `baseFee` as `gasPriceEstimate` for `AuctionGasCostInfo`
+     */
+    static baseFeeToGasPriceEstimate(baseFee: bigint): bigint {
+        return baseFee / AuctionCalculator.GAS_PRICE_BASE
+    }
+
+    /**
+     * Calculates `gasBumpEstimate` for `AuctionGasCostInfo`
+     *
+     * @param endTakingAmount min return in destToken
+     * @param gasCostInToToken gas cost in destToken
+     */
+    static calcGasBumpEstimate(
+        endTakingAmount: bigint,
+        gasCostInToToken: bigint
+    ): bigint {
+        return (gasCostInToToken * RATE_BUMP_DENOMINATOR) / endTakingAmount
+    }
+
     public calcAuctionTakingAmount(takingAmount: bigint, rate: number): bigint {
         return AuctionCalculator.calcAuctionTakingAmount(
             takingAmount,