diff options
| -rw-r--r-- | packages/forwarder-helper/src/forwarder_helper_factory.ts | 8 | ||||
| -rw-r--r-- | packages/forwarder-helper/src/utils/order_utils.ts | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/packages/forwarder-helper/src/forwarder_helper_factory.ts b/packages/forwarder-helper/src/forwarder_helper_factory.ts index be38f2bd5..2b37ac98f 100644 --- a/packages/forwarder-helper/src/forwarder_helper_factory.ts +++ b/packages/forwarder-helper/src/forwarder_helper_factory.ts @@ -24,6 +24,7 @@ export const forwarderHelperFactory = { getForwarderHelperForOrders(orders: SignedOrder[], feeOrders: SignedOrder[] = []): ForwarderHelper { assert.doesConformToSchema('orders', orders, schemas.signedOrdersSchema); assert.doesConformToSchema('feeOrders', orders, schemas.signedOrdersSchema); + // TODO: Add assertion here for orders all having the same makerAsset and takerAsset const config: ForwarderHelperImplConfig = { orders, feeOrders, @@ -96,6 +97,7 @@ export const forwarderHelperFactory = { const ordersFromSra = getOpenAsksFromOrderbook(makerAssetOrderbook); const feeOrdersFromSra = getOpenAsksFromOrderbook(zrxOrderbook); // TODO: try catch these requests and throw a more domain specific error + // TODO: optimization, reduce this to once RPC call buy combining orders into one array and then splitting up the response const [makerAssetOrdersAndTradersInfo, feeOrdersAndTradersInfo] = await Promise.all( _.map([ordersFromSra, feeOrdersFromSra], ordersToBeValidated => { const takerAddresses = _.map(ordersToBeValidated, () => constants.NULL_ADDRESS); @@ -159,7 +161,7 @@ function getValidOrdersAndRemainingFillableMakerAssetAmountsFromApi( ): OrdersAndRemainingFillableMakerAssetAmounts { const result = _.reduce( apiOrders, - (acc, apiOrder, index) => { + (acc, apiOrder) => { // get current accumulations const { orders, remainingFillableMakerAssetAmounts } = acc; // get order and metadata @@ -168,7 +170,7 @@ function getValidOrdersAndRemainingFillableMakerAssetAmountsFromApi( if (orderUtils.isOrderExpired(order) || !orderUtils.isOpenOrder(order)) { return acc; } - // calculate remainingFillableMakerAssetAmount from api metadata + // calculate remainingFillableMakerAssetAmount from api metadata, else assume order is completely fillable const remainingFillableTakerAssetAmount = _.get( metaData, 'remainingTakerAssetAmount', @@ -215,7 +217,7 @@ function getValidOrdersAndRemainingFillableMakerAssetAmountsFromOnChain( const { orders, remainingFillableMakerAssetAmounts } = acc; // get corresponding on-chain state for the order const { orderInfo, traderInfo } = ordersAndTradersInfo[index]; - // if the order IS NOT fillable, do not add anything and continue iterating + // if the order IS NOT fillable, do not add anything to the accumulations and continue iterating if (orderInfo.orderStatus !== OrderStatus.FILLABLE) { return acc; } diff --git a/packages/forwarder-helper/src/utils/order_utils.ts b/packages/forwarder-helper/src/utils/order_utils.ts index 482006bf1..bb0bdb80f 100644 --- a/packages/forwarder-helper/src/utils/order_utils.ts +++ b/packages/forwarder-helper/src/utils/order_utils.ts @@ -11,7 +11,7 @@ export const orderUtils = { }, calculateRemainingMakerAssetAmount(order: SignedOrder, remainingTakerAssetAmount: BigNumber): BigNumber { const result = remainingTakerAssetAmount.eq(0) - ? new BigNumber(0) + ? constants.ZERO_AMOUNT : remainingTakerAssetAmount.times(order.makerAssetAmount).dividedToIntegerBy(order.takerAssetAmount); return result; }, |