docs: Align BuiltinHintProcessor README with current cairo-vm API #2274
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Hi @sashass1315, thanks for contributing, Could you please add the corresponding changelog entry? |
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The README under docs/hint_processor/builtin_hint_processor was using legacy types and call patterns that no longer match the codebase. I updated all examples and guidance to the current API: hint functions now use VirtualMachine, Felt252 constants and return HintError; add_hint requires Rc; BuiltinHintProcessor::new takes a preset HashMap<String, Rc> and a RunResources; cairo_run now receives program bytes together with a CairoRunConfig. Error handling was also corrected to use HintError::CustomHint. These changes are verified against builtin_hint_processor_definition.rs, cairo_run.rs, hint_errors.rs and the canonical example at examples/custom_hint/src/main.rs to ensure accuracy and prevent confusion for users integrating custom hints.