diff options
Diffstat (limited to 'packages/forwarder-helper/src/utils/forwarder_helper_impl_config_utils.ts')
-rw-r--r-- | packages/forwarder-helper/src/utils/forwarder_helper_impl_config_utils.ts | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/packages/forwarder-helper/src/utils/forwarder_helper_impl_config_utils.ts b/packages/forwarder-helper/src/utils/forwarder_helper_impl_config_utils.ts deleted file mode 100644 index 253384f65..000000000 --- a/packages/forwarder-helper/src/utils/forwarder_helper_impl_config_utils.ts +++ /dev/null @@ -1,92 +0,0 @@ -import { sortingUtils } from '@0xproject/order-utils'; -import { SignedOrder } from '@0xproject/types'; -import { BigNumber } from '@0xproject/utils'; -import * as _ from 'lodash'; - -import { ForwarderHelperImplConfig } from '../forwarder_helper_impl'; - -interface SignedOrderWithAmount extends SignedOrder { - remainingFillAmount: BigNumber; -} - -export const forwarderHelperImplConfigUtils = { - sortedConfig(config: ForwarderHelperImplConfig): ForwarderHelperImplConfig { - const { orders, feeOrders, remainingFillableMakerAssetAmounts, remainingFillableFeeAmounts } = config; - // TODO: provide a feeRate to the sorting function to more accurately sort based on the current market for ZRX tokens - const orderSorter = (ordersToSort: SignedOrder[]) => { - return sortingUtils.sortOrdersByFeeAdjustedRate(ordersToSort); - }; - const sortOrdersResult = sortOrdersAndRemainingFillAmounts( - orderSorter, - orders, - remainingFillableMakerAssetAmounts, - ); - const feeOrderSorter = (ordersToSort: SignedOrder[]) => { - return sortingUtils.sortFeeOrdersByFeeAdjustedRate(ordersToSort); - }; - const sortFeeOrdersResult = sortOrdersAndRemainingFillAmounts( - feeOrderSorter, - feeOrders, - remainingFillableFeeAmounts, - ); - return { - orders: sortOrdersResult.orders, - feeOrders: sortFeeOrdersResult.orders, - remainingFillableMakerAssetAmounts: sortOrdersResult.remainingFillAmounts, - remainingFillableFeeAmounts: sortFeeOrdersResult.remainingFillAmounts, - }; - }, -}; - -type OrderSorter = (orders: SignedOrder[]) => SignedOrder[]; - -function sortOrdersAndRemainingFillAmounts( - orderSorter: OrderSorter, - orders: SignedOrder[], - remainingFillAmounts?: BigNumber[], -): { orders: SignedOrder[]; remainingFillAmounts?: BigNumber[] } { - if (!_.isUndefined(remainingFillAmounts)) { - // Bundle orders together with their remainingFillAmounts so that we can sort them together - const orderWithAmounts = bundleSignedOrderWithAmounts(orders, remainingFillAmounts); - // Sort - const sortedOrderWithAmounts = orderSorter(orderWithAmounts) as SignedOrderWithAmount[]; - // Unbundle after sorting - const unbundledSortedOrderWithAmounts = unbundleSignedOrderWithAmounts(sortedOrderWithAmounts); - return { - orders: unbundledSortedOrderWithAmounts.orders, - remainingFillAmounts: unbundledSortedOrderWithAmounts.amounts, - }; - } else { - const sortedOrders = orderSorter(orders); - return { - orders: sortedOrders, - }; - } -} - -function bundleSignedOrderWithAmounts(orders: SignedOrder[], amounts: BigNumber[]): SignedOrderWithAmount[] { - const ordersAndAmounts = _.map(orders, (order, index) => { - return { - ...order, - remainingFillAmount: amounts[index], - }; - }); - return ordersAndAmounts; -} - -function unbundleSignedOrderWithAmounts( - signedOrderWithAmounts: SignedOrderWithAmount[], -): { orders: SignedOrder[]; amounts: BigNumber[] } { - const orders = _.map(signedOrderWithAmounts, order => { - const { remainingFillAmount, ...rest } = order; - return rest; - }); - const amounts = _.map(signedOrderWithAmounts, order => { - const { remainingFillAmount } = order; - return remainingFillAmount; - }); - return { - orders, - amounts, - }; -} |