82 lines
1.9 KiB
TypeScript
82 lines
1.9 KiB
TypeScript
import { useQuery } from '@tanstack/react-query'
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import Decimal from 'decimal.js'
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import { RouteInfo } from 'types/jupiter'
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import useJupiterSwapData from './useJupiterSwapData'
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type useJupiterPropTypes = {
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inputMint: string
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outputMint: string
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inputAmount: string
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slippage: number
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}
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const fetchJupiterRoutes = async (
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inputMint = 'So11111111111111111111111111111111111111112',
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outputMint = 'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v',
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amount = 0,
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slippage = 50,
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feeBps = 0
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) => {
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{
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const params: any = {
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inputMint: inputMint.toString(),
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outputMint: outputMint.toString(),
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amount,
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slippageBps: Math.ceil(slippage * 100),
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onlyDirectRoutes: 'true',
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feeBps,
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}
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const paramsString = new URLSearchParams(params).toString()
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const response = await fetch(
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`https://quote-api.jup.ag/v3/quote?${paramsString}`
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)
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const res = await response.json()
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const data = res.data
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return {
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routes: res.data,
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bestRoute: data[0],
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}
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}
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}
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const useJupiterRoutes = ({
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inputMint,
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outputMint,
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inputAmount,
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slippage,
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}: useJupiterPropTypes) => {
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const { inputTokenInfo } = useJupiterSwapData()
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const amount = inputAmount
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? new Decimal(inputAmount).mul(10 ** (inputTokenInfo?.decimals || 6))
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: new Decimal(0)
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const res = useQuery<{ routes: RouteInfo[]; bestRoute: RouteInfo }, Error>(
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['swap-routes', inputMint, outputMint, inputAmount, slippage],
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async () =>
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fetchJupiterRoutes(inputMint, outputMint, amount.toNumber(), slippage),
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{
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enabled: inputAmount ? true : false,
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}
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)
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return inputAmount
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? {
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...(res.data ?? {
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routes: [],
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bestRoute: undefined,
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}),
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isLoading: res.isLoading,
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}
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: {
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routes: [],
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bestRoute: undefined,
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isLoading: false,
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}
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}
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export default useJupiterRoutes
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