117 lines
2.7 KiB
TypeScript
117 lines
2.7 KiB
TypeScript
import Decimal from 'decimal.js'
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import { ChangeEvent, useEffect, useMemo, useRef, useState } from 'react'
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import mangoStore from '../../store/mangoStore'
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import { getTokenInMax, useTokenMax } from './useTokenMax'
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const LeverageSlider = ({
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amount,
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leverageMax,
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onChange,
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}: {
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amount: number
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leverageMax: number
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onChange: (x: string) => any
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}) => {
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const [value, setValue] = useState(0)
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const inputEl = useRef<HTMLInputElement>(null)
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const inputTokenInfo = mangoStore((s) => s.swap.inputTokenInfo)
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useEffect(() => {
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if (inputEl.current) {
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const target = inputEl.current
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const min = parseFloat(target.min)
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const max = leverageMax
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target.style.backgroundSize =
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max - min === 0
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? '0% 100%'
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: ((value - min) * 100) / (max - min) + '% 100%'
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}
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}, [leverageMax, value])
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useEffect(() => {
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if (amount) {
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onChange(new Decimal(amount).toFixed())
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setValue(amount)
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}
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}, [amount])
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const handleSliderChange = (e: ChangeEvent<HTMLInputElement>) => {
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let target = e.target
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const min = parseFloat(target.min)
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const max = parseFloat(target.max)
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const val = parseFloat(target.value)
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target.style.backgroundSize = ((val - min) * 100) / (max - min) + '% 100%'
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onChange(e.target.value)
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setValue(parseFloat(e.target.value))
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}
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return (
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<>
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<label htmlFor="default-range" className="block text-sm"></label>
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<input
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ref={inputEl}
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id="default-range"
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type="range"
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min="0"
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max={leverageMax}
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step={inputTokenInfo ? 1 / 10 ** inputTokenInfo?.decimals : 6}
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className="w-full"
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onChange={handleSliderChange}
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value={value}
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></input>
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</>
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)
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}
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export const SwapLeverageSlider = ({
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amount,
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onChange,
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useMargin,
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}: {
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amount: number
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onChange: (x: string) => void
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useMargin: boolean
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}) => {
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const mangoAccount = mangoStore((s) => s.mangoAccount.current)
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const { amountWithBorrow } = useTokenMax(useMargin)
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return (
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<>
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{!mangoAccount ? (
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<LeverageSlider amount={amount} leverageMax={100} onChange={onChange} />
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) : (
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<LeverageSlider
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amount={amount}
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leverageMax={amountWithBorrow.toNumber()}
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onChange={onChange}
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/>
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)}
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</>
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)
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}
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// export const BorrowLeverageSlider = ({
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// amount,
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// tokenMax,
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// onChange,
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// }: {
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// amount: number
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// tokenMax: number
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// onChange: (x: string) => any
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// }) => {
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// return (
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// <>
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// <LeverageSlider
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// amount={amount}
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// leverageMax={tokenMax}
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// onChange={onChange}
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// />
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// </>
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// )
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// }
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export default LeverageSlider
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