Solana: Error: Invalid bool: 142

Troubleshooting the Error on Solana Devnet

As a developer working on the Solana blockchain, you may have encountered the “Invalid Bool” error while interacting with Solana Devnet. This article will guide you through troubleshooting and resolving this issue.

What is the “Invalid Bool” error?

The “Invalid Bool” error occurs when the WrappedLayout module in your code tries to decode a boolean value that is not one of the defined types (e.g. 0, 1, etc.). This error typically occurs when trying to send or receive transactions on Solana Devnet.

Causes of the “Invalid Bool” error

The main cause of this error is in the WrappedLayout module, which handles boolean decoding for various functions and APIs. The specific issue is usually due to incorrect handling of boolean values, such as:

• Mixing booleans with other numeric types (e.g. using a number where a boolean should be)

• Passing non-boolean values ​​through a function that expects a boolean

• Not casting or converting correctly between different data types

How ​​to fix the error

To resolve this issue, follow these steps:

• Check your code: Review your codebase for any functions or APIs that may be causing the WrappedLayout module to receive non-boolean input.

• Use a boolean wrapper library: Consider using libraries like solana-type-arrays or solana-types that provide predefined types and wrappers for Solana data structures, including booleans. These libraries can help ensure that your code is handling boolean values ​​correctly.

• Use the correct conversion: When passing non-boolean values ​​through a function that expects a boolean, make sure to use the correct conversion method (e.g., toBool or toBoolean).

• Validate input data: Always validate and sanitize user-provided input data to ensure it conforms to expected formats.

• Check transactions for errors: Ensure that all transactions submitted to Devnet are formatted correctly and contain all required fields.

Example: Using a boolean wrapper library

Here’s an example of how you can wrap your boolean values ​​using solana-type-arrays:

import {typedArray} from 'solana-type-arrays';
const wrapBool = (x) => {
return typedArray(x, [bool]);
};
// Usage:
const boolValue = wrapBool(1); // Returns an array with a single boolean value

In this example, the wrappedBool function takes a boolean value as input and returns an array containing only that boolean. This ensures that the WrappedLayout module receives valid boolean input.

Conclusion

The “Invalid Bool” error on Solana Devnet can be resolved by carefully reviewing your code, using the correct conversion and wrapper libraries, validating input data, and checking for errors in transactions. By following these steps, you will be able to overcome this common issue and continue working confidently on Devnet.