diff options
Diffstat (limited to 'packages/asset-buyer/src/utils/buy_quote_calculator.ts')
| -rw-r--r-- | packages/asset-buyer/src/utils/buy_quote_calculator.ts | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/packages/asset-buyer/src/utils/buy_quote_calculator.ts b/packages/asset-buyer/src/utils/buy_quote_calculator.ts index fcded6ab1..125841094 100644 --- a/packages/asset-buyer/src/utils/buy_quote_calculator.ts +++ b/packages/asset-buyer/src/utils/buy_quote_calculator.ts @@ -22,7 +22,7 @@ export const buyQuoteCalculator = { const remainingFillableMakerAssetAmounts = ordersAndFillableAmounts.remainingFillableMakerAssetAmounts; const feeOrders = feeOrdersAndFillableAmounts.orders; const remainingFillableFeeAmounts = feeOrdersAndFillableAmounts.remainingFillableMakerAssetAmounts; - const slippageBufferAmount = assetBuyAmount.mul(slippagePercentage).round(); + const slippageBufferAmount = assetBuyAmount.multipliedBy(slippagePercentage).integerValue(); // find the orders that cover the desired assetBuyAmount (with slippage) const { resultOrders, @@ -43,7 +43,9 @@ export const buyQuoteCalculator = { const multiplierNeededWithSlippage = new BigNumber(1).plus(slippagePercentage); // Given amountAvailableToFillConsideringSlippage * multiplierNeededWithSlippage = amountAbleToFill // We divide amountUnableToFill by multiplierNeededWithSlippage to determine amountAvailableToFillConsideringSlippage - const amountAvailableToFillConsideringSlippage = amountAbleToFill.div(multiplierNeededWithSlippage).floor(); + const amountAvailableToFillConsideringSlippage = amountAbleToFill + .div(multiplierNeededWithSlippage) + .integerValue(BigNumber.ROUND_FLOOR); throw new InsufficientAssetLiquidityError(amountAvailableToFillConsideringSlippage); } @@ -131,7 +133,7 @@ function calculateQuoteInfo( zrxEthAmount = findEthAmountNeededToBuyZrx(feeOrdersAndFillableAmounts, zrxAmountToBuyAsset); } // eth amount needed to buy the affiliate fee - const affiliateFeeEthAmount = assetEthAmount.mul(feePercentage).ceil(); + const affiliateFeeEthAmount = assetEthAmount.multipliedBy(feePercentage).integerValue(BigNumber.ROUND_CEIL); // eth amount needed for fees is the sum of affiliate fee and zrx fee const feeEthAmount = affiliateFeeEthAmount.plus(zrxEthAmount); // eth amount needed in total is the sum of the amount needed for the asset and the amount needed for fees @@ -168,9 +170,9 @@ function findEthAmountNeededToBuyZrx( order, makerFillAmount, ); - const extraFeeAmount = remainingFillableMakerAssetAmount.greaterThanOrEqualTo(adjustedMakerFillAmount) + const extraFeeAmount = remainingFillableMakerAssetAmount.isGreaterThanOrEqualTo(adjustedMakerFillAmount) ? constants.ZERO_AMOUNT - : adjustedMakerFillAmount.sub(makerFillAmount); + : adjustedMakerFillAmount.minus(makerFillAmount); return { totalEthAmount: totalEthAmount.plus(takerFillAmount), remainingZrxBuyAmount: BigNumber.max( |