fix: deal ticket set market price (#2228)

apps/console-lite/src/app/components/deal-ticket/deal-ticket-steps.tsx

@@ -70,11 +70,6 @@ export const DealTicketSteps = ({ market }: DealTicketMarketProps) => {
   const step = toDecimal(market.positionDecimalPlaces);
   const order = watch();
   const { pubKey } = useVegaWallet();
-  const estMargin = useOrderMargin({
-    order,
-    market,
-    partyId: pubKey || '',
-  });
   const { message: invalidText, isDisabled } = useOrderValidation({
     market,
     order,
@@ -127,11 +122,18 @@ export const DealTicketSteps = ({ market }: DealTicketMarketProps) => {
       );
       return new BigNumber(market?.depth?.lastTrade?.price)
         .multipliedBy(multiplier)
-        .toNumber();
+        .toString();
     }
-    return null;
+    return undefined;
   }, [market?.depth?.lastTrade?.price, order.side, slippage]);
 
+  const estMargin = useOrderMargin({
+    order,
+    market,
+    partyId: pubKey || '',
+    derivedPrice: price,
+  });
+
   const formattedPrice =
     price && addDecimalsFormatNumber(price, market.decimalPlaces);
 

libs/deal-ticket/src/components/deal-ticket-validation/margin-warning.tsx

@@ -17,7 +17,7 @@ export const MarginWarning = ({ margin, balance, asset }: Props) => {
   return (
     <>
       <div
-        className="text-sm text-vega-orange mb-4"
+        className="text-xs text-vega-orange mb-4"
         data-testid="dealticket-warning-margin"
       >
         <p className="mb-2">

libs/deal-ticket/src/components/deal-ticket/deal-ticket-market-amount.tsx

@@ -5,8 +5,8 @@ import {
 } from '@vegaprotocol/react-helpers';
 import { Input, InputError, Tooltip } from '@vegaprotocol/ui-toolkit';
 import { isMarketInAuction, validateAmount } from '../../utils';
-
 import type { DealTicketAmountProps } from './deal-ticket-amount';
+import { getMarketPrice } from '../../utils/get-price';
 
 export type DealTicketMarketAmountProps = Omit<
   DealTicketAmountProps,
@@ -21,21 +21,7 @@ export const DealTicketMarketAmount = ({
   const quoteName =
     market.tradableInstrument.instrument.product.settlementAsset.symbol;
   const sizeStep = toDecimal(market?.positionDecimalPlaces);
-
-  let price;
-  if (isMarketInAuction(market)) {
-    // 0 can never be a valid uncrossing price
-    // as it would require there being orders on the book at that price.
-    if (
-      market.data?.indicativePrice &&
-      market.data.indicativePrice !== '0' &&
-      BigInt(market.data?.indicativePrice) !== BigInt(0)
-    ) {
-      price = market.data.indicativePrice;
-    }
-  } else {
-    price = market.depth?.lastTrade?.price;
-  }
+  const price = getMarketPrice(market);
 
   const priceFormatted = price
     ? addDecimalsFormatNumber(price, market.decimalPlaces)

libs/deal-ticket/src/components/deal-ticket/deal-ticket.spec.tsx

@@ -69,7 +69,7 @@ describe('DealTicket', () => {
     // Assert last price is shown
     expect(screen.getByTestId('last-price')).toHaveTextContent(
       // eslint-disable-next-line
-      `~${addDecimal(market!.depth!.lastTrade!.price, market.decimalPlaces)} ${
+      `~${addDecimal(market!.data.markPrice, market.decimalPlaces)} ${
         market.tradableInstrument.instrument.product.settlementAsset.symbol
       }`
     );

libs/deal-ticket/src/components/deal-ticket/deal-ticket.tsx

@@ -63,9 +63,11 @@ export const DealTicket = ({
   const order = watch();
   // When order state changes persist it in local storage
   useEffect(() => setPersistedOrder(order), [order, setPersistedOrder]);
+
   const hasNoBalance = useHasNoBalance(
     market.tradableInstrument.instrument.product.settlementAsset.id
   );
+
   const onSubmit = useCallback(
     (order: OrderSubmissionBody['orderSubmission']) => {
       if (!pubKey) {

libs/deal-ticket/src/hooks/use-fee-deal-ticket-details.tsx

@@ -1,5 +1,6 @@
 import { FeesBreakdown } from '@vegaprotocol/market-info';
 import {
+  addDecimal,
   addDecimalsFormatNumber,
   formatNumber,
   t,
@@ -20,34 +21,39 @@ import { useCalculateSlippage } from './use-calculate-slippage';
 import { useOrderCloseOut } from './use-order-closeout';
 import { useOrderMargin } from './use-order-margin';
 import type { OrderMargin } from './use-order-margin';
+import { getDerivedPrice } from '../utils/get-price';
 
 export const useFeeDealTicketDetails = (
   order: OrderSubmissionBody['orderSubmission'],
   market: MarketDealTicket
 ) => {
   const { pubKey } = useVegaWallet();
-
   const slippage = useCalculateSlippage({ marketId: market.id, order });
 
-  const price = useMemo(() => {
-    const estPrice = order.price || market.data.markPrice;
-    if (estPrice) {
+  const derivedPrice = useMemo(() => {
+    return getDerivedPrice(order, market);
+  }, [order, market]);
+
+  // Note this isn't currently used anywhere
+  const slippageAdjustedPrice = useMemo(() => {
+    if (derivedPrice) {
       if (slippage && parseFloat(slippage) !== 0) {
         const isLong = order.side === Schema.Side.SIDE_BUY;
         const multiplier = new BigNumber(1)[isLong ? 'plus' : 'minus'](
           parseFloat(slippage) / 100
         );
-        return new BigNumber(estPrice).multipliedBy(multiplier).toNumber();
+        return new BigNumber(derivedPrice).multipliedBy(multiplier).toNumber();
       }
-      return order.price;
+      return derivedPrice;
     }
     return null;
-  }, [market.data.markPrice, order.price, order.side, slippage]);
+  }, [derivedPrice, order.side, slippage]);
 
   const estMargin: OrderMargin | null = useOrderMargin({
     order,
     market,
     partyId: pubKey || '',
+    derivedPrice,
   });
 
   const { data: partyBalance } = usePartyBalanceQuery({
@@ -62,11 +68,13 @@ export const useFeeDealTicketDetails = (
   });
 
   const notionalSize = useMemo(() => {
-    if (order.price && order.size) {
-      return new BigNumber(order.size).multipliedBy(order.price).toString();
+    if (derivedPrice && order.size) {
+      return new BigNumber(order.size)
+        .multipliedBy(addDecimal(derivedPrice, market.decimalPlaces))
+        .toString();
     }
     return null;
-  }, [order.price, order.size]);
+  }, [derivedPrice, order.size, market.decimalPlaces]);
 
   const quoteName = market.tradableInstrument.instrument.product.quoteName;
 
@@ -78,7 +86,7 @@ export const useFeeDealTicketDetails = (
       estMargin,
       estCloseOut,
       slippage,
-      price,
+      slippageAdjustedPrice,
       partyData: partyBalance,
     };
   }, [
@@ -88,7 +96,7 @@ export const useFeeDealTicketDetails = (
     estMargin,
     estCloseOut,
     slippage,
-    price,
+    slippageAdjustedPrice,
     partyBalance,
   ]);
 };
@@ -100,7 +108,6 @@ export interface FeeDetails {
   estMargin: OrderMargin | null;
   estCloseOut: string | null;
   slippage: string | null;
-  price?: string | number | null;
 }
 
 export const getFeeDetailsValues = ({

libs/deal-ticket/src/hooks/use-order-margin.spec.ts

@@ -5,6 +5,7 @@ import type { PositionMargin } from './use-market-positions';
 import type { Props } from './use-order-margin';
 import { useOrderMargin } from './use-order-margin';
 import { Schema } from '@vegaprotocol/types';
+import type { MarketDealTicket } from '@vegaprotocol/market-list';
 
 let mockEstimateData = {
   estimateOrder: {
@@ -58,7 +59,7 @@ describe('useOrderMargin', () => {
         indicativePrice: '100',
         markPrice: '200',
       },
-    },
+    } as MarketDealTicket,
     partyId: 'partyId',
   };
 

libs/deal-ticket/src/hooks/use-order-margin.ts

@@ -1,27 +1,16 @@
 import { BigNumber } from 'bignumber.js';
 import type { OrderSubmissionBody } from '@vegaprotocol/wallet';
-import { Schema } from '@vegaprotocol/types';
 import { removeDecimal } from '@vegaprotocol/react-helpers';
 import { useMarketPositions } from './use-market-positions';
 import type { EstimateOrderQuery } from './__generated__/EstimateOrder';
 import { useEstimateOrderQuery } from './__generated__/EstimateOrder';
-import { isMarketInAuction } from '../utils';
-
-interface Market {
-  id: string;
-  decimalPlaces: number;
-  positionDecimalPlaces: number;
-  tradingMode: Schema.MarketTradingMode;
-  data: {
-    indicativePrice: string;
-    markPrice: string;
-  };
-}
+import type { MarketDealTicket } from '@vegaprotocol/market-list';
 
 export interface Props {
   order: OrderSubmissionBody['orderSubmission'];
-  market: Market;
+  market: MarketDealTicket;
   partyId: string;
+  derivedPrice?: string;
 }
 
 const addFees = (feeObj: EstimateOrderQuery['estimateOrder']['fee']) => {
@@ -44,21 +33,21 @@ export const useOrderMargin = ({
   order,
   market,
   partyId,
+  derivedPrice,
 }: Props): OrderMargin | null => {
   const marketPositions = useMarketPositions({ marketId: market.id, partyId });
-  const priceForEstimate = getPriceForEstimate(order, market);
 
   const { data } = useEstimateOrderQuery({
     variables: {
       marketId: market.id,
       partyId,
-      price: priceForEstimate,
+      price: derivedPrice,
       size: removeDecimal(order.size, market.positionDecimalPlaces),
       side: order.side,
       timeInForce: order.timeInForce,
       type: order.type,
     },
-    skip: !partyId || !market.id || !order.size || !priceForEstimate,
+    skip: !partyId || !market.id || !order.size || !derivedPrice,
   });
 
   if (data?.estimateOrder.marginLevels.initialLevel) {
@@ -86,32 +75,3 @@ export const useOrderMargin = ({
   }
   return null;
 };
-
-/**
- * Gets a price to use for estimating order margin and fees.
- * Market orders should use the markPrice or if in auction mode
- * the indicative price. If its a limit order use user input price.
- */
-const getPriceForEstimate = (
-  order: {
-    type: Schema.OrderType;
-    price?: string | undefined;
-  },
-  market: Market
-) => {
-  // If order type is market we should use either the mark price
-  // or the uncrossing price. If order type is limit use the price
-  // the user has input
-  let price;
-  if (order.type === Schema.OrderType.TYPE_LIMIT && order.price) {
-    price = removeDecimal(order.price, market.decimalPlaces);
-  } else {
-    if (isMarketInAuction(market)) {
-      price = market.data.indicativePrice;
-    } else {
-      price = market.data.markPrice;
-    }
-  }
-
-  return price === '0' ? undefined : price;
-};

libs/deal-ticket/src/utils/get-price.ts

@@ -0,0 +1,51 @@
+import type { MarketDealTicket } from '@vegaprotocol/market-list';
+import { removeDecimal } from '@vegaprotocol/react-helpers';
+import { Schema } from '@vegaprotocol/types';
+import { isMarketInAuction } from './is-market-in-auction';
+
+/**
+ * Get the market price based on market mode (auction or not auction)
+ */
+export const getMarketPrice = (market: MarketDealTicket) => {
+  if (isMarketInAuction(market)) {
+    // 0 can never be a valid uncrossing price
+    // as it would require there being orders on the book at that price.
+    if (
+      market.data?.indicativePrice &&
+      market.data.indicativePrice !== '0' &&
+      BigInt(market.data?.indicativePrice) !== BigInt(0)
+    ) {
+      return market.data.indicativePrice;
+    }
+  } else {
+    return market.data.markPrice;
+  }
+  return undefined;
+};
+
+/**
+ * Gets the price for an order, order limit this is the user
+ * entered value, for market this will be the mark price or
+ * if in auction the indicative uncrossing price
+ */
+export const getDerivedPrice = (
+  order: {
+    type: Schema.OrderType;
+    price?: string | undefined;
+  },
+  market: MarketDealTicket
+) => {
+  // If order type is market we should use either the mark price
+  // or the uncrossing price. If order type is limit use the price
+  // the user has input
+
+  // Use the market price if order is a market order
+  let price;
+  if (order.type === Schema.OrderType.TYPE_LIMIT && order.price) {
+    price = removeDecimal(order.price, market.decimalPlaces);
+  } else {
+    price = getMarketPrice(market);
+  }
+
+  return price === '0' ? undefined : price;
+};