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Check for balance before auto-selecting token options for purhcase #440

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Merged
VGabriel45 merged 3 commits into from
May 27, 2025
Merged

Check for balance before auto-selecting token options for purhcase #440

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79f9476
fixed button state
VGabriel45 May 13, 2025
bfb572b
refactor logic for auto-select token
VGabriel45 May 22, 2025
d65e8f6
lowercase address
VGabriel45 May 22, 2025
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23 changes: 8 additions & 15 deletions packages/checkout/src/views/PaymentSelection/PayWithCrypto/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -160,22 +160,15 @@ export const PayWithCrypto = ({
return
}

const lowerCaseCurrencyAddress = currencyAddress?.toLowerCase()

const mainCurrencyBalance = tokenBalancesMap.get(lowerCaseCurrencyAddress || '') ?? 0n
const priceBigInt = BigInt(price || '0')
const mainCurrencySufficient = priceBigInt <= mainCurrencyBalance

if (enableMainCurrencyPayment && lowerCaseCurrencyAddress && mainCurrencySufficient) {
setSelectedCurrency(lowerCaseCurrencyAddress)
} else {
const firstSwapCoin = tokenPayOptions.find(c => c.currencyAddress !== lowerCaseCurrencyAddress)
if (firstSwapCoin) {
setSelectedCurrency(firstSwapCoin.currencyAddress)
} else if (enableMainCurrencyPayment && lowerCaseCurrencyAddress) {
setSelectedCurrency(lowerCaseCurrencyAddress)
}
// Find the first token option where the balance is sufficient
const firstSufficientToken = tokenPayOptions.find(option => {
const balance = tokenBalancesMap.get(option.currencyAddress.toLowerCase()) ?? 0n
return option.price && balance >= BigInt(option.price)
})
if (firstSufficientToken) {
setSelectedCurrency(firstSufficientToken.currencyAddress)
}
// If none found, do not select anything
}, [
tokenPayOptions,
selectedCurrency,
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