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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| import { Configuration, DefaultApi } from '@jup-ag/api' | ||
| import { TokenInfo, TokenListProvider } from '@solana/spl-token-registry' | ||
| import React, { | ||
| createContext, | ||
| useContext, | ||
| useEffect, | ||
| useMemo, | ||
| useState, | ||
| } from 'react' | ||
| import { useSolana } from 'src/solana/SolanaProvider' | ||
|
|
||
| type RouteMap = Map<string, string[]> | ||
| interface IJupiterContextState { | ||
| api: DefaultApi | ||
| loaded: boolean | ||
| tokenMap: Map<string, TokenInfo> | ||
| routeMap: RouteMap | ||
| } | ||
|
|
||
| const JupiterContext = createContext<IJupiterContextState | null>(null) | ||
| export const JupiterProvider: React.FC = ({ children }) => { | ||
| const { cluster } = useSolana() | ||
| const [tokenMap, setTokenMap] = useState<Map<string, TokenInfo>>(new Map()) | ||
| const [routeMap, setRouteMap] = useState<RouteMap>(new Map()) | ||
| const [loaded, setLoaded] = useState(false) | ||
| const api = useMemo(() => { | ||
| const config = new Configuration({ | ||
| basePath: 'https://quote-api.jup.ag/v6', | ||
| }) | ||
| return new DefaultApi(config) | ||
| }, []) | ||
|
|
||
| useEffect(() => { | ||
| ;(async () => { | ||
| const [tokens, indexedRouteMapResult] = await Promise.all([ | ||
| new TokenListProvider().resolve(), | ||
| api.indexedRouteMapGet(), | ||
| ]) | ||
|
|
||
| const tokenList = tokens.filterByClusterSlug(cluster).getList() | ||
| const { indexedRouteMap = {}, mintKeys = [] } = indexedRouteMapResult | ||
|
|
||
| setTokenMap( | ||
| tokenList.reduce((map, item) => { | ||
| map.set(item.address, item) | ||
| return map | ||
| }, new Map()), | ||
| ) | ||
|
|
||
| setRouteMap( | ||
| Object.keys(indexedRouteMap).reduce((map, key) => { | ||
| map.set( | ||
| mintKeys[Number(key)], | ||
| indexedRouteMap[key].map((index) => mintKeys[index]), | ||
| ) | ||
| return map | ||
| }, new Map<string, string[]>()), | ||
| ) | ||
|
|
||
| setLoaded(true) | ||
| })() | ||
| // eslint-disable-next-line react-hooks/exhaustive-deps | ||
| }, []) | ||
|
|
||
| /* const getQuote = useCallback( | ||
| () => | ||
| api.quoteGet({ | ||
| inputMint: '', | ||
| outputMint: '', | ||
| amount: 100000, | ||
| slippageBps: 20, | ||
| platformFeeBps: 20, | ||
| }), | ||
| [api], | ||
| ) */ | ||
|
|
||
| /* const swap = useCallback(() => { | ||
| api.swapPost({ | ||
| }) | ||
| }, [api]) */ | ||
|
|
||
| return ( | ||
| <JupiterContext.Provider | ||
| value={{ | ||
| api, | ||
| routeMap, | ||
| tokenMap, | ||
| loaded, | ||
| }} | ||
| > | ||
| {children} | ||
| </JupiterContext.Provider> | ||
| ) | ||
| } | ||
|
|
||
| export const useJupiter = () => { | ||
| const context = useContext(JupiterContext) | ||
|
|
||
| if (!context) { | ||
| throw new Error('useJupiter must be used within a JupiterProvider') | ||
| } | ||
|
|
||
| return context | ||
| } |
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