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fix: chain mismatched currencies (#3163)

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Zach Pomerantz 2022-01-20 16:12:42 -08:00 committed by GitHub
parent 8a37c427e6
commit 567fb0181c
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1 changed files with 18 additions and 2 deletions
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20
src/lib/components/Swap/index.tsx
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@ -1,9 +1,12 @@
import { Trans } from '@lingui/macro'
import { TokenInfo } from '@uniswap/token-lists'
import { nativeOnChain } from 'constants/tokens'
import { useSwapAmount, useSwapCurrency } from 'lib/hooks/swap'
import { SwapInfoUpdater } from 'lib/hooks/swap/useSwapInfo'
import useActiveWeb3React from 'lib/hooks/useActiveWeb3React'
import useTokenList, { DEFAULT_TOKEN_LIST } from 'lib/hooks/useTokenList'
import { useMemo, useState } from 'react'
import { Field } from 'lib/state/swap'
import { useLayoutEffect, useMemo, useState } from 'react'
import Header from '../Header'
import { BoundaryProvider } from '../Popover'
@ -50,7 +53,20 @@ export default function Swap({ defaults }: SwapProps) {
useTokenList(tokenList)
const [boundary, setBoundary] = useState<HTMLDivElement | null>(null)
const { active, account } = useActiveWeb3React()
const { chainId, active, account } = useActiveWeb3React()
// Switch to on-chain currencies if/when chain changes to prevent chain mismatched currencies.
const [, updateSwapInputCurrency] = useSwapCurrency(Field.INPUT)
const [, updateSwapOutputCurrency] = useSwapCurrency(Field.OUTPUT)
const [, updateSwapInputAmount] = useSwapAmount(Field.INPUT)
useLayoutEffect(() => {
if (chainId) {
updateSwapInputCurrency(nativeOnChain(chainId))
updateSwapOutputCurrency()
updateSwapInputAmount('')
}
}, [chainId, updateSwapInputAmount, updateSwapInputCurrency, updateSwapOutputCurrency])
return (
<>
<SwapInfoUpdater />