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Suppress false Reserve Approve/Swap failures on Celo nonce preflight exceptions #636

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Suppress false Reserve Approve/Swap failures on Celo nonce preflight exceptions #636

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f76c9fb
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Copilot May 13, 2026
dd54fa3
fix: ignore nonce call preflight exceptions in reserve swap error modal
Copilot May 13, 2026
9c49146
refactor: inline nonce preflight filter checks for reserve swap excep…
Copilot May 13, 2026
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18 changes: 16 additions & 2 deletions src/pages/gd/Swap/SwapCore/mentoReserve.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ import useSendAnalyticsData from 'hooks/useSendAnalyticsData'
import { useReserveToken } from 'hooks/useReserveToken'
import { decodeTransactionErrorReason } from 'utils/transactionErrors'

const NONCE_METHOD_REGEX = /method\s*=\s*"nonce\(\)"/i
const CALL_EXCEPTION_REGEX = /call_exception/i

const MentoSwap = memo(() => {
const CUSD = useReserveToken()
const { i18n } = useLingui()
Expand Down Expand Up @@ -112,13 +115,24 @@ const MentoSwap = memo(() => {
const sendData = useSendAnalyticsData()

useEffect(() => {
if (swap?.state?.status === 'Exception') {
const isSwapPreflightNonceException = Boolean(
swap?.state?.errorMessage &&
CALL_EXCEPTION_REGEX.test(swap.state.errorMessage) &&
NONCE_METHOD_REGEX.test(swap.state.errorMessage)
)
const isApprovePreflightNonceException = Boolean(
approve?.state?.errorMessage &&
CALL_EXCEPTION_REGEX.test(approve.state.errorMessage) &&
NONCE_METHOD_REGEX.test(approve.state.errorMessage)
)

if (swap?.state?.status === 'Exception' && !isSwapPreflightNonceException) {
setError({
message: i18n._(t`Swap transaction failed, please try again.`),
reason: decodeTransactionErrorReason(swap.state.errorMessage),
})
}
if (approve?.state?.status === 'Exception') {
if (approve?.state?.status === 'Exception' && !isApprovePreflightNonceException) {
setError({
message: i18n._(t`Approve transaction failed, please try again.`),
reason: decodeTransactionErrorReason(approve.state.errorMessage),
Expand Down