Ethereum Transaction Revert Problem and Solution
As an Ethereum developer, you’re likely facing a frustrating issue with transaction reerts. In this article, we’ll explore the problem and provide a solution to help you resolve it.
Transaction reerts in Ethereum
Transaction reverss occur when a contract or smart contract pails to fulfill its promises or returns errors due to varouse reasons. These reverss can be costly for developers, as they may need to refund users or traveler tokens.
In your case, the issue, with the transfer helper :: transferrom function, which is likely causing a revers problem. The Reason for this is that the transferrom function failing to swap to swap to swaps from an address that Doesn’tn’tn’tn’tn’tn’tn’tn’tn’tn’tn’tn’tn’tn’tn’tn’t Ether Balance in Their Wallet.
Code Analysis
Here’s an excerpt or your code:
`Javascript
Config = Require (‘./ Config’);
// …
Transfer helper :: Transferrom: Transferrom Failed
console.log (error);
`
The Error object contains the reveert reason, which is likely a string indicating why the transaction failed. In This Case, It Says:
`
1transferhelper :: Transferrom: transferrom failed
`
This suggests that the transferrom function in thetransfer helper class has encountered an issue and returned error 1.
Solution
To Resolve the Revert Problem, You Need to Ensure That the Wallet Addresses Have Sufficient Ether Balance. Here are a few Possible Solutions:
1. Check wallet balance
Make sure that all wallet addresses have sufficient ether balance before attempting to swap tokens.
`Javascript
Contress = ‘0x …’; // wallet address
Const ethbalance = await etherscanclient.getethballance (address);
IF (Ethbalance <1010 * 18) {// 10 Ether Minimum for Successful Transaction
Throw New Error (Insufficient Ether Balance: $ {address});
}
`
2. Increase wallet balance
If the wallet balances are insufficient, you may need to increase the balances temporarily before attempting the swap.
`Javascript
Contress = ‘0x …’; // wallet address
Const ethbalance = await etherscanclient.getethballance (address);
if (ethbalance <1010 * 18) {
const newethballance = await ethers.wallet.createwithsigner (ether) .attach (‘0x …’);
await ethers.wallet.at (address) .Approve (transfer smoking, ethalance + 10);
}
`
3. Use a Wallet with High Ether Balance
If the wallet addresses have sufficient ether balance but still encounter errors, consultant using a wallet that has a high ether balance.
`Javascript
Contress = ‘0x …’; // wallet address
Const ethbalance = await etherscanclient.getethballance (address);
if (ethbalance <10010 * 18) {
Const newethballance = ethers.wallet.createwithsigner (ether) .attach (‘0x …’). Ethers.wallet.at (Address) .Approve (Transfertoken, Ethbalance + 10);
}
`
4. Update Etherscan API
If the reveert reason is due to a mismatch between your ether balance and the one expected by the transfer helper class, Consider updating the Etherscan API to provide more accurate information.
`Javascript
Config = Require (‘./ Config’);
Const etherscanapi = New Etherscanclient.etherscanapi (‘your_api_key’);
// …
Etherscanapi.getethballance (Address)
.Then ((balance) => {
if (ethbalance! == Balance) {
Throw New Error (Insufficient Ether Balance: $ {address});
}
})
.catch ((error) => {
console.error (error);
});
`
By implementing one or more of these solutions, you should be able to resolve the transaction revers problem and successful swap tokens.
Example use case
Here’s an updated version of your code that includes some error handling:
`Javascript
Config = Require (‘./ Config’);
// …
Transfer helper :: Transferrom: Transferrom Failed
Try {
await ethers.wallet.at (address).