Error in Deploying Brownie Scripts With Metamask
As a development working Brownie when joining to deploy scripts using metamask.
Error Message Explanation
“Non-Hexadecimal Digit Found” is a cryptic message that indicates a problem with the code or data being used in the deployment process. However, upon Closer Inspection, it appears to
When Brownie Runs Scripts Using Metamask, It uses the Ethereum Virtual Machine (EVM) to execute the bytecode of Smart contracts written in solidity. The evm interprets the hexadecimal values as code and executes them accordingly.
The “Brownie” Terminal Error
“Non-Hexadecimal Digit Found”. This is not a typical error message from brownie itself, but rather an indication of what might be causing the issue. When running scripts using metamask with brownie, it is possible that there are issues with the syntax or formatting of the hexadecimal values being used.
Possible Causes and Solutions
Here are some potential causes and solutions for this error:
* Invalid hexadecimal values
: ensure that all hexadecimal values in your script are valid. In solidity, hexadecimal values must be between 0 and f, inclusive.
* Missing or incorrect 0x prefix :
.
.
Example Solution
. Here’s an example of how you might modify your deploy.py File to include some basic error checking:
`python
brown import
Def Main ():
Ensure that metamask is configured correctly
If not brown.is_metro_client_configured ():
Raise Exception ("Metamask Configuration Issue")
try:
Deploy the Contract with Error Handling
brown.run_scripts ({"script": "your_script.py"})
Except exception as e:
Print (F "Error: {E}")
If __name__ == "__Main__":
Main ()
This example code checks if metamask is configured correctly before joining to deploy the script. If an error occurs, it prints the exception message.
Conclusion
The “Non-Hexadecimal Digit Found” Error in Brownie’s Terminal Output can Remember to verify that your metamask configuration is correct and test your scripts with basic error checking before deploying them to the blockchain.
