58 lines
1.8 KiB
TypeScript
58 lines
1.8 KiB
TypeScript
// import { useEffect, useRef } from 'react'
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import { Orderbook } from '@project-serum/serum'
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import useMangoStore from '../stores/useMangoStore'
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import useMarketList from './useMarketList'
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const getOrderBookAccounts = (market, accountInfos) => {
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const bidBuffer = Buffer.from(
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accountInfos[market._decoded.bids.toString()].data
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)
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const askBuffer = Buffer.from(
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accountInfos[market._decoded.asks.toString()].data
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)
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return {
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bidOrderBook:
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market && bidBuffer ? Orderbook.decode(market, bidBuffer) : null,
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askOrderBook:
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market && askBuffer ? Orderbook.decode(market, askBuffer) : null,
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}
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}
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export function useOpenOrders() {
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const markets = useMangoStore((s) => s.selectedMangoGroup.markets)
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const marginAccount = useMangoStore((s) => s.selectedMarginAccount.current)
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const mangoGroup = useMangoStore((s) => s.selectedMangoGroup.current)
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const accountInfos = useMangoStore((s) => s.accountInfos)
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const { marketList } = useMarketList()
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if (!mangoGroup || !marginAccount || !accountInfos) return null
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const openOrders = Object.entries(markets).map(([address, market]) => {
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const marketIndex = mangoGroup.getMarketIndex(market)
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const openOrdersAccount = marginAccount.openOrdersAccounts[marketIndex]
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const marketName = marketList.find(
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(mkt) => mkt.address.toString() === address
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).name
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if (!openOrdersAccount) return []
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const { bidOrderBook, askOrderBook } = getOrderBookAccounts(
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market,
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accountInfos
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)
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const openOrdersForMarket = [...bidOrderBook, ...askOrderBook].filter((o) =>
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o.openOrdersAddress.equals(openOrdersAccount.address)
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)
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return openOrdersForMarket.map((order) => ({
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...order,
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marketName,
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market,
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}))
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})
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return openOrders.flat()
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}
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