adjust max trade value for maker/taker fees
This commit is contained in:
rjpeterson
parent
d793aa71a3
commit
17c30a231f
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@ -10,8 +10,10 @@ import {
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nativeI80F48ToUi,
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QUOTE_INDEX,
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MangoAccount,
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getMarketIndexBySymbol
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} from '@blockworks-foundation/mango-client'
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import { useBalances } from '../hooks/useBalances'
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import useSrmAccount from '../hooks/useSrmAccount'
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import { notify } from '../utils/notifications'
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import { calculateMarketPrice, getDecimalCount, sleep } from '../utils'
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import FloatingElement from './FloatingElement'
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@ -58,6 +60,7 @@ export default function TradeForm() {
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const [postOnly, setPostOnly] = useState(false)
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const [ioc, setIoc] = useState(false)
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const [leveragePct, setLeveragePct] = useState(0)
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const [maxLeveragePct, setMaxLeveragePct] = useState(100)
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const [leverageNotification, setLeverageNotification] = useState('')
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const [submitting, setSubmitting] = useState(false)
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const [maxAmount, setMaxAmount] = useState(ZERO_I80F48)
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@ -65,6 +68,23 @@ export default function TradeForm() {
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const orderBookRef = useRef(useMangoStore.getState().selectedMarket.orderBook)
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const orderbook = orderBookRef.current
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const { rates } = useSrmAccount()
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const marketIndex = getMarketIndexBySymbol(
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groupConfig,
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marketConfig.baseSymbol
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)
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let takerFee, makerFee
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if (market instanceof PerpMarket) {
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takerFee =
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parseFloat(mangoGroup.perpMarkets[marketIndex].takerFee.toFixed()) * 100
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makerFee =
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parseFloat(mangoGroup.perpMarkets[marketIndex].makerFee.toFixed()) * 100
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} else {
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takerFee = rates.taker * 100
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makerFee = rates.maker * 100
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}
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useEffect(
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() =>
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useMangoStore.subscribe(
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@ -78,8 +98,19 @@ export default function TradeForm() {
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const [tokenIndex, setTokenIndex] = useState(0)
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const [tokenBorrows, setTokenBorrows] = useState(ZERO_I80F48)
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const [tokenDeposits, setTokenDeposits] = useState(ZERO_I80F48)
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const [tokenPerpPosition, setTokenPerpPosition] = useState(ZERO_I80F48)
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const [usdcDeposits, setUSDCDeposits] = useState(ZERO_I80F48)
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useEffect(() => {
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if (!token || !mangoGroup || !mangoAccount || !mangoCache) return
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const {spot, perps, quote} = mangoAccount.
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getHealthComponents(
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mangoGroup,
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mangoCache
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)
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const spotUi= spot.map((x, index) => nativeI80F48ToUi(x, mangoGroup.tokens[index].decimals))
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const perpsUi= perps.map((x, index) => nativeI80F48ToUi(x, mangoGroup.tokens[index].decimals))
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const spotNums = spotUi.map((x) => x.toNumber()) //TODO remove
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const perpsNums = perpsUi.map((x) => x.toNumber()) //TODO remove
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setTokenIndex(mangoGroup.getTokenIndex(token.mintKey))
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setTokenBorrows(mangoAccount.getUiBorrow(
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mangoCache.rootBankCache[tokenIndex],
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@ -96,32 +127,24 @@ export default function TradeForm() {
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mangoGroup,
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QUOTE_INDEX
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))
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setTokenPerpPosition(perps[tokenIndex])
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}, [mangoGroup, mangoAccount, mangoCache, token])
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const extendLeverageTradeCalc = () => {
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// const {spot, perps, quote} = mangoAccount.
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// getHealthComponents(
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// mangoGroup,
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// mangoCache
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// )
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// // QUESTION will every spot market index always match 1:1 with a perp market & vice versa???
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// // Will indexes of spot.map and perps.map always match indexes of mangoGroup.tokens?
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// const spotUi= spot.map((x, index) => nativeI80F48ToUi(x, mangoGroup.tokens[index].decimals))
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// const perpsUi= perps.map((x, index) => nativeI80F48ToUi(x, mangoGroup.tokens[index].decimals))
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// const quoteUi= nativeI80F48ToUi(quote, mangoGroup.tokens[QUOTE_INDEX].decimals)
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// const spotNums = spotUi.map((x) => x.toNumber()) //TODO remove
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// const perpsNums = perpsUi.map((x) => x.toNumber()) //TODO remove
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// const quoteNum = quoteUi.toNumber()//TODO remove
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// let health = mangoAccount.getHealthFromComponents(mangoGroup, mangoCache, spot, perps, quote, 'Init')
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const extendLeverageTradeCalc = () => {
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let health = mangoAccount.getHealth(mangoGroup, mangoCache, 'Init')
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health = nativeI80F48ToUi(health, mangoGroup.tokens[QUOTE_INDEX].decimals)
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const healthNum = health.toNumber() //TODO remove
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// if (side === "buy") {// max borrow: inithealth / 1-assetweight
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let weight = ONE_I80F48
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if (market instanceof PerpMarket) {
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weight = mangoGroup.perpMarkets[tokenIndex].initAssetWeight
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} else {
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weight = mangoGroup.spotMarkets[tokenIndex].initAssetWeight
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}
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const maxTrade = health.div(
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ONE_I80F48.sub(mangoGroup.spotMarkets[tokenIndex].initAssetWeight)
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) //TODO will any asset ever have a weight of 1? will cause div by 0 error, infinite leverage}
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ONE_I80F48.sub(weight)
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)
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//TODO will any asset ever have a weight of 1? will cause div by 0 error, infinite leverage}
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// } else {
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// remainingLeverage = health.div(
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// ONE_I80F48.sub(mangoGroup.spotMarkets[tokenIndex].initLiabWeight)
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@ -129,7 +152,45 @@ export default function TradeForm() {
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// }
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return maxTrade
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}
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const crossBookTradeCalc = () => {
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const crossBookPerpsTradeCalc = () => {
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const {spot, perps: simPerps, quote} = mangoAccount.
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getHealthComponents(
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mangoGroup,
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mangoCache
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)
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simPerps[tokenIndex] = ZERO_I80F48
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// const simulation = new MangoAccount(null, mangoAccount)
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// // simulation.deposits = [...mangoAccount.deposits]
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// // simulation.borrows = [...mangoAccount.borrows]
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let simHealth = mangoAccount.getHealthFromComponents(mangoGroup, mangoCache, spot, simPerps, quote, 'Init')
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simHealth = nativeI80F48ToUi(
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simHealth,
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mangoGroup.tokens[QUOTE_INDEX].decimals
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)
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const simHealthNum = simHealth.toNumber() //TODO remove
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const simRemainingLeverage = simHealth.div( //current settings allow for 10x init leverage on perps?? is this intentional?
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ONE_I80F48.sub(mangoGroup.perpMarkets[tokenIndex].initAssetWeight)
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)
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const simRemainingLeverageNum = simRemainingLeverage.toNumber() //TODO remove
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// let maxTrade
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// if (side === 'buy') {
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// // these bits I'm still not sure about
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// maxTrade = simRemainingLeverage.add(
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// usdcDeposits.isPos() ? usdcDeposits : ZERO_I80F48
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// )
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// } else {
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// maxTrade = simRemainingLeverage.add(
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// tokenDeposits.isPos()
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// ? tokenDeposits.mul(mangoGroup.getPrice(tokenIndex, mangoCache))
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// : ZERO_I80F48
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// )
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// }
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// return maxTrade
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return simRemainingLeverage
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}
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const crossBookSpotTradeCalc = () => {
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let newTokenDeposit = ZERO_I80F48
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let newUSDCDeposit = ZERO_I80F48
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const tokenPrice = mangoGroup.getPrice(tokenIndex, mangoCache)
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@ -181,18 +242,6 @@ export default function TradeForm() {
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// equity,
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// })
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// const {spot: simSpot, perps: simPerps, quote: simQuote} = simulation.
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// getHealthComponents(
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// mangoGroup,
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// mangoCache
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// )
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// const simSpotUi= simSpot.map((x, index) => nativeI80F48ToUi(x, mangoGroup.tokens[index].decimals))
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// const simPerpsUi= simPerps.map((x, index) => nativeI80F48ToUi(x, mangoGroup.tokens[index].decimals))
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// const simQuoteUi= nativeI80F48ToUi(simQuote, mangoGroup.tokens[QUOTE_INDEX].decimals)
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// const simSpotNums = simSpotUi.map((x) => x.toNumber()) //TODO remove
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// const simPerpsNums = simPerpsUi.map((x) => x.toNumber()) //TODO remove
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// const simQuoteNum = simQuoteUi.toNumber()//TODO remove
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// let simHealth = simulation.getHealthFromComponents(mangoGroup, mangoCache, simSpot, simPerps, simQuote, 'Init')
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let simHealth = simulation.getHealth(mangoGroup, mangoCache, 'Init')
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simHealth = nativeI80F48ToUi(
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@ -232,13 +281,24 @@ export default function TradeForm() {
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let maxLeverageAmount: I80F48
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// if has net borrows and selling OR has net deposits and buying, use remainingLeverage below as max trade
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// else simulate closing current position, then calculate remaining leverage and add new token or usdc deposits to get max trade
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if (
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(side == 'sell' && tokenBorrows.gte(tokenDeposits)) ||
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(side == 'buy' && tokenDeposits.gte(tokenBorrows))
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) {
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maxLeverageAmount = extendLeverageTradeCalc()
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} else {
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maxLeverageAmount = crossBookTradeCalc()
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if (market instanceof PerpMarket) {
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if (
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(side == 'sell' && tokenPerpPosition.lte(ZERO_I80F48)) ||
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(side == 'buy' && tokenPerpPosition.gte(ZERO_I80F48))
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) {
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maxLeverageAmount = extendLeverageTradeCalc()
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} else {
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maxLeverageAmount = crossBookPerpsTradeCalc()
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}
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} else {
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if (
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(side == 'sell' && tokenBorrows.gte(tokenDeposits)) ||
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(side == 'buy' && tokenDeposits.gte(tokenBorrows))
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) {
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maxLeverageAmount = extendLeverageTradeCalc()
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} else {
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maxLeverageAmount = crossBookSpotTradeCalc()
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}
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}
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const maxLeverageAmountNum = maxLeverageAmount.toNumber() // TODO remove
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@ -256,6 +316,13 @@ export default function TradeForm() {
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}
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}, [connected, mangoAccount, market, side])
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useEffect(() => {
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if (tradeType === 'Limit') {
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setMaxLeveragePct(100 - makerFee)
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} else {
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setMaxLeveragePct(100 - takerFee)
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}
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}, [tradeType, market])
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// const accountAssetsVal = //TODO remove
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// //unweighted
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// //if Init: account value * 0.8 (max withdraw amount)
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@ -315,8 +382,7 @@ export default function TradeForm() {
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useEffect(() => {
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if (!connected || !mangoGroup || !mangoAccount || !market) return
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setLeveragePct(0)
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debugger
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}, [market, side]) //TODO how to reset to 0 only when user manually changes mangoAccount
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}, [token, side]) //TODO how to reset to 0 only when user manually changes mangoAccount??
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useEffect(() => {
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if (!connected || !mangoGroup || !mangoAccount || !market) return
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@ -658,7 +724,7 @@ export default function TradeForm() {
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value={leveragePct}
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onChange={(v) => onChangeSlider(v)}
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step={1}
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max={100}
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max={maxLeveragePct}
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/>
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</div>
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{leverageNotification ? (
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