106 lines
2.9 KiB
TypeScript
106 lines
2.9 KiB
TypeScript
import { useEffect } from 'react'
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import { AccountInfo } from '@solana/web3.js'
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import useMangoStore, {
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DEFAULT_CONNECTION,
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WEBSOCKET_CONNECTION,
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} from '../stores/useMangoStore'
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import useInterval from './useInterval'
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import useOrderbook from './useOrderbook'
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const SECONDS = 1000
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const _SLOW_REFRESH_INTERVAL = 10 * SECONDS
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const useHydrateStore = () => {
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const setMangoStore = useMangoStore((s) => s.set)
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const actions = useMangoStore((s) => s.actions)
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const markets = useMangoStore((s) => s.selectedMangoGroup.markets)
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const marketConfig = useMangoStore((s) => s.selectedMarket.config)
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const selectedMarket = useMangoStore((s) => s.selectedMarket.current)
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useOrderbook()
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useEffect(() => {
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actions.fetchMangoGroup()
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}, [actions])
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useInterval(() => {
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actions.fetchMangoGroup()
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}, 60 * SECONDS)
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useEffect(() => {
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setMangoStore((state) => {
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state.selectedMarket.current = markets[marketConfig.publicKey.toString()]
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})
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}, [marketConfig, markets, setMangoStore])
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// hydrate orderbook with all markets in mango group
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useEffect(() => {
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let previousBidInfo: AccountInfo<Buffer> | null = null
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let previousAskInfo: AccountInfo<Buffer> | null = null
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if (!marketConfig) return
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const bidSubscriptionId = WEBSOCKET_CONNECTION.onAccountChange(
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marketConfig.bidsKey,
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(info) => {
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if (
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!previousBidInfo ||
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!previousBidInfo.data.equals(info.data) ||
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previousBidInfo.lamports !== info.lamports
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) {
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previousBidInfo = info
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setMangoStore((state) => {
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state.accountInfos[marketConfig.bidsKey.toString()] =
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previousBidInfo
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})
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}
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}
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)
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const askSubscriptionId = WEBSOCKET_CONNECTION.onAccountChange(
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marketConfig.asksKey,
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(info) => {
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if (
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!previousAskInfo ||
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!previousAskInfo.data.equals(info.data) ||
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previousAskInfo.lamports !== info.lamports
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) {
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previousAskInfo = info
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setMangoStore((state) => {
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state.accountInfos[marketConfig.asksKey.toString()] =
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previousAskInfo
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})
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}
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}
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)
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return () => {
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WEBSOCKET_CONNECTION.removeAccountChangeListener(bidSubscriptionId)
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WEBSOCKET_CONNECTION.removeAccountChangeListener(askSubscriptionId)
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}
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}, [selectedMarket])
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// fetch filled trades for selected market
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useInterval(() => {
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async function fetchFills() {
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const market = useMangoStore.getState().selectedMarket.current
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if (!market) {
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return null
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}
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try {
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const loadedFills = await selectedMarket.loadFills(
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DEFAULT_CONNECTION,
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10000
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)
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setMangoStore((state) => {
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state.selectedMarket.fills = loadedFills
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})
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} catch (err) {
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console.log('Error fetching fills:', err)
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}
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}
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fetchFills()
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}, _SLOW_REFRESH_INTERVAL)
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}
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export default useHydrateStore
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