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mango-v4-ui
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change perp reference price check to percentage difference

This commit is contained in:
saml33 2024-10-28 10:13:53 +11:00
parent 5f6e66e5cd
commit edd5c3cf11
1 changed files with 11 additions and 5 deletions
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16
components/trade/AdvancedTradeForm.tsx
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@ -714,6 +714,13 @@ const AdvancedTradeForm = () => {
[oraclePrice, tradeForm.side, tradeForm.tradeType],
)
const percentagePriceDifference = (price1: number, price2: number) => {
const mean = (price1 + price2) / 2
const diff = Math.abs(price1 - price2)
return (diff / mean) * 100
}
const handleStandardOrder = useCallback(async () => {
const { client } = mangoStore.getState()
const { group } = mangoStore.getState()
@ -797,12 +804,11 @@ const AdvancedTradeForm = () => {
})
return
}
const stddev = Math.sqrt(
((orderPrice - (orderPrice + trafficApiPrice) / 2) ** 2 +
(trafficApiPrice - (orderPrice + trafficApiPrice) / 2) ** 2) /
2,
const priceDifferencePercentage = percentagePriceDifference(
orderPrice,
trafficApiPrice,
)
if (stddev > 1) {
if (priceDifferencePercentage > MAX_PERP_SLIPPAGE * 100) {
notify({
type: 'error',
title: 'Price outside limit',