Solana: Error “Reached maximum depth for account resolution” when the length of the String parameter is too long. When its short it works fine
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Title: Solana: Handling long strings with the error “Maximum depth for account resolution reached”
Introduction
When working with large datasets, it is essential to handle errors and edge cases efficiently. One such case is when a string passed to a function exceeds the maximum length allowed in Solana. In this article, we will explore how to catch such an error and provide meaningful feedback to users.
Issue: “Maximum depth for account resolution reached” error
When working with large strings in Solana, you may encounter a “Maximum depth for account resolution reached” error if the string length exceeds 2048 bytes. This issue arises because Solana uses account resolution, which allows for efficient data storage and retrieval for large amounts of data.
Solution: Catching the Error
To handle this error in your test function, you can use a try-catch block to catch any exceptions that occur when trying to resolve the string. If an exception occurs, you can check whether the error is related to account resolution.
`typescript
Import { solanaProgram } from './solanaProgram';
async function isValidStringLength(length: number): Promise
try {
await solanaProgram.resolveStringLength('myString', length);
return true;
} catch (error) {
console.error(Error checking string length: ${error.message});
return false;
}
}
// Example usage:
const isValid = await isValidStringLength(2048); // This should work fine
Custom Error Handling
To provide meaningful feedback to users when the "Maximum depth for account resolution reached" error occurs, you can create a custom error class. Here's an example:
typescript
class NameTooLongError extends Error {
constructor(message: string) {
super(message);
this.name = 'NameTooLong';
}
}
// Example usage:
const isValid = await isValidStringLength(2048); // This should not throw an error
const errorMessage = new NameTooLongError('String too long');
console.error(errorMessage);
“
Conclusion
By handling errors in your code, you can ensure that users receive meaningful feedback and maintain a better user experience. When working with large datasets in Solana, always check for potential scenarios like this “Maximum depth reached for account resolution” error to catch any issues quickly.