ButterflyEffect/uniswap-interface-uncensored
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fix: show better errors

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This commit is contained in:
Moody Salem 2021-05-13 09:02:48 -05:00
parent d27c83b382
commit 5c96942922
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GPG Key ID: 8CB5CD10385138DB
1 changed files with 15 additions and 2 deletions
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17
src/hooks/useSwapCallback.ts
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@ -133,8 +133,21 @@ function useSwapCallArguments(
}, [account, allowedSlippage, chainId, deadline, library, recipient, routerContract, signatureData, trade]) }, [account, allowedSlippage, chainId, deadline, library, recipient, routerContract, signatureData, trade])
} }
export function swapErrorToUserReadableMessage(error: { reason: string }): string { /**
switch (error.reason) { * This is hacking out the revert reason from the ethers provider thrown error however it can.
* This object seems to be undocumented by ethers.
* @param error an error from the ethers provider
*/
export function swapErrorToUserReadableMessage(error: any): string {
let reason: string | undefined
while (Boolean(error)) {
reason = error.reason ?? error.message ?? reason
error = error.error ?? error.data.originalError
}
if (reason?.indexOf('execution reverted: ') === 0) reason = reason.substr('execution reverted: '.length)
switch (reason) {
case 'UniswapV2Router: EXPIRED': case 'UniswapV2Router: EXPIRED':
return 'The transaction could not be sent because the deadline has passed. Please check that your transaction deadline is not too low.' return 'The transaction could not be sent because the deadline has passed. Please check that your transaction deadline is not too low.'
case 'UniswapV2Router: INSUFFICIENT_OUTPUT_AMOUNT': case 'UniswapV2Router: INSUFFICIENT_OUTPUT_AMOUNT':