Motivation

feature_init.py is a functional test that perturbs various files in the data directory (simulation data corruption), and checks the response during startup.

Recently, this test was improved in #27823, but there were some open suggestions in, in particular #27823 (comment), to extend and/or randomize the way files are perturbed.

There is also the possibility that more sophisticated perturbations could potentially uncover other unhandled exceptions/assert crashes like the one fixed in #27823.

Possible solution

No response

Useful Skills

• Python
• Debugging the bitcoin core C++ file parsing code in order to understand why certain perturbation lead to certain errors.

Guidance for new contributors

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