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author | Brandon Millman <brandon.millman@gmail.com> | 2018-08-14 08:45:50 +0800 |
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committer | Brandon Millman <brandon.millman@gmail.com> | 2018-08-14 08:46:43 +0800 |
commit | d8593998414aa3234533b8fa868b05495ac54457 (patch) | |
tree | d4d2fd9d4b5f108401b7136288604f841ae472f8 /packages | |
parent | ab64ea7377b4cd0a0a7e3ec219f958037c5fabbe (diff) | |
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Change rateUtils to use Order
Diffstat (limited to 'packages')
-rw-r--r-- | packages/order-utils/src/rate_utils.ts | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/packages/order-utils/src/rate_utils.ts b/packages/order-utils/src/rate_utils.ts index e82c03873..c9ca72c59 100644 --- a/packages/order-utils/src/rate_utils.ts +++ b/packages/order-utils/src/rate_utils.ts @@ -1,5 +1,5 @@ import { schemas } from '@0xproject/json-schemas'; -import { SignedOrder } from '@0xproject/types'; +import { Order } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; import { assert } from './assert'; @@ -7,42 +7,42 @@ import { constants } from './constants'; export const rateUtils = { /** - * Takes a signed order and calculates the fee adjusted rate (takerAsset/makerAsset) by calculating how much takerAsset + * Takes an order and calculates the fee adjusted rate (takerAsset/makerAsset) by calculating how much takerAsset * is required to cover the fees (feeRate * takerFee), adding the takerAssetAmount and dividing by makerAssetAmount - * @param signedOrder An object that conforms to the signedOrder interface - * @param feeRate The market rate of ZRX denominated in takerAssetAmount - * (ex. feeRate is 0.1 takerAsset/ZRX if it takes 1 unit of takerAsset to buy 10 ZRX) - * Defaults to 0 + * @param order An object that conforms to the order interface + * @param feeRate The market rate of ZRX denominated in takerAssetAmount + * (ex. feeRate is 0.1 takerAsset/ZRX if it takes 1 unit of takerAsset to buy 10 ZRX) + * Defaults to 0 * @return The rate (takerAsset/makerAsset) of the order adjusted for fees */ - getFeeAdjustedRateOfOrder(signedOrder: SignedOrder, feeRate: BigNumber = constants.ZERO_AMOUNT): BigNumber { - assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema); + getFeeAdjustedRateOfOrder(order: Order, feeRate: BigNumber = constants.ZERO_AMOUNT): BigNumber { + assert.doesConformToSchema('order', order, schemas.orderSchema); assert.isBigNumber('feeRate', feeRate); assert.assert( feeRate.gte(constants.ZERO_AMOUNT), `Expected feeRate: ${feeRate} to be greater than or equal to 0`, ); - const takerAssetAmountNeededToPayForFees = signedOrder.takerFee.mul(feeRate); - const totalTakerAssetAmount = takerAssetAmountNeededToPayForFees.plus(signedOrder.takerAssetAmount); - const rate = totalTakerAssetAmount.div(signedOrder.makerAssetAmount); + const takerAssetAmountNeededToPayForFees = order.takerFee.mul(feeRate); + const totalTakerAssetAmount = takerAssetAmountNeededToPayForFees.plus(order.takerAssetAmount); + const rate = totalTakerAssetAmount.div(order.makerAssetAmount); return rate; }, /** - * Takes a signed fee order (makerAssetData corresponds to ZRX and takerAssetData corresponds to WETH) and calculates + * Takes a fee order (makerAssetData corresponds to ZRX and takerAssetData corresponds to WETH) and calculates * the fee adjusted rate (WETH/ZRX) by dividing the takerAssetAmount by the makerAmount minus the takerFee - * @param signedFeeOrder An object that conforms to the signedOrder interface + * @param feeOrder An object that conforms to the order interface * @return The rate (WETH/ZRX) of the fee order adjusted for fees */ - getFeeAdjustedRateOfFeeOrder(signedFeeOrder: SignedOrder): BigNumber { - assert.doesConformToSchema('signedFeeOrder', signedFeeOrder, schemas.signedOrderSchema); - const zrxAmountAfterFees = signedFeeOrder.makerAssetAmount.sub(signedFeeOrder.takerFee); + getFeeAdjustedRateOfFeeOrder(feeOrder: Order): BigNumber { + assert.doesConformToSchema('feeOrder', feeOrder, schemas.orderSchema); + const zrxAmountAfterFees = feeOrder.makerAssetAmount.sub(feeOrder.takerFee); assert.assert( zrxAmountAfterFees.greaterThan(constants.ZERO_AMOUNT), - `Expected takerFee: ${JSON.stringify( - signedFeeOrder.takerFee, - )} to be less than makerAssetAmount: ${JSON.stringify(signedFeeOrder.makerAssetAmount)}`, + `Expected takerFee: ${JSON.stringify(feeOrder.takerFee)} to be less than makerAssetAmount: ${JSON.stringify( + feeOrder.makerAssetAmount, + )}`, ); - const rate = signedFeeOrder.takerAssetAmount.div(zrxAmountAfterFees); + const rate = feeOrder.takerAssetAmount.div(zrxAmountAfterFees); return rate; }, }; |