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