From a5e7ce9e1acb2f8fdfcef629789dd315e3adcbdc Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Fri, 11 Jan 2019 09:28:51 -0800
Subject: Move calculateLiquidity to helper function

---
 packages/asset-buyer/src/asset_buyer.ts | 32 +-------------------------------
 1 file changed, 1 insertion(+), 31 deletions(-)

(limited to 'packages/asset-buyer/src/asset_buyer.ts')

diff --git a/packages/asset-buyer/src/asset_buyer.ts b/packages/asset-buyer/src/asset_buyer.ts
index 43b60f928..cd60f0eff 100644
--- a/packages/asset-buyer/src/asset_buyer.ts
+++ b/packages/asset-buyer/src/asset_buyer.ts
@@ -19,50 +19,20 @@ import {
     LiquidityForAssetData,
     LiquidityRequestOpts,
     OrderProvider,
-    OrderProviderResponse,
     OrdersAndFillableAmounts,
 } from './types';
 
 import { assert } from './utils/assert';
 import { assetDataUtils } from './utils/asset_data_utils';
 import { buyQuoteCalculator } from './utils/buy_quote_calculator';
+import { calculateLiquidity } from './utils/calculate_liquidity';
 import { orderProviderResponseProcessor } from './utils/order_provider_response_processor';
-import { orderUtils } from './utils/order_utils';
 
 interface OrdersEntry {
     ordersAndFillableAmounts: OrdersAndFillableAmounts;
     lastRefreshTime: number;
 }
 
-const calculateLiquidity = (ordersAndFillableAmounts: OrdersAndFillableAmounts): LiquidityForAssetData => {
-    const { orders, remainingFillableMakerAssetAmounts } = ordersAndFillableAmounts;
-    const liquidityInBigNumbers = orders.reduce(
-        (acc, order, curIndex) => {
-            const availableMakerAssetAmount = remainingFillableMakerAssetAmounts[curIndex];
-            if (availableMakerAssetAmount === undefined) {
-                throw new Error(`No corresponding fillableMakerAssetAmounts at index ${curIndex}`);
-            }
-
-            const tokensAvailableForCurrentOrder = availableMakerAssetAmount;
-            const ethValueAvailableForCurrentOrder = orderUtils.getTakerFillAmount(order, availableMakerAssetAmount);
-            return {
-                tokensAvailableInBaseUnits: acc.tokensAvailableInBaseUnits.plus(tokensAvailableForCurrentOrder),
-                ethValueAvailableInWei: acc.ethValueAvailableInWei.plus(ethValueAvailableForCurrentOrder),
-            };
-        },
-        {
-            tokensAvailableInBaseUnits: new BigNumber(0),
-            ethValueAvailableInWei: new BigNumber(0),
-        },
-    );
-
-    // Turn into regular numbers
-    return {
-        tokensAvailableInBaseUnits: liquidityInBigNumbers.tokensAvailableInBaseUnits.toNumber(),
-        ethValueAvailableInWei: liquidityInBigNumbers.ethValueAvailableInWei.toNumber(),
-    };
-};
-
 export class AssetBuyer {
     public readonly provider: Provider;
     public readonly orderProvider: OrderProvider;
-- 
cgit