write fuzz tests for cosmwasm #655
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…king - Introduced a new example in `debug_vectors.go` to demonstrate vector debugging capabilities. - Enhanced `SafeUnmanagedVector` to track consumption state and provide detailed debug information, including stack traces for consumption attempts. - Added functions to enable vector debugging and retrieve vector creation/consumption statistics. - Updated error handling in `StoreCode` and `StoreCodeUnchecked` to ensure proper validation and error messaging.
… for safer memory management - Updated comments to clarify the purpose of contract functions. - Replaced instances of copyAndDestroyUnmanagedVector with the safer CopyAndDestroyToSafeVector pattern across multiple contract functions, enhancing memory safety. - Introduced a new receiveVectorSafe function to handle UnmanagedVector safely, preventing potential double-free issues.
…or improved memory safety - Replaced all instances of copyAndDestroyUnmanagedVector with CopyAndDestroyToSafeVector in contract functions to enhance memory management. - Updated comments to reflect the safer pattern being implemented across the codebase.
- Updated test cases to replace instances of copyAndDestroyUnmanagedVector with CopyAndDestroyToSafeVector, ensuring consistent use of safer memory management practices. - Enhanced comments to clarify the safer approach being implemented in the tests.
- Updated the `Instantiate`, `Execute`, and `Query` methods to use a default `deserCost` value of 1/10000 gas per byte as defined in the VMConfig. - Replaced direct JSON unmarshalling with `DeserializeResponse` to account for gas costs in the contract function implementations. - Improved comments to clarify the changes made for gas cost management.
…d unmanaged vector functions - Introduced `is_available` method in `SafeByteSlice` to check if the byte slice is not consumed and not nil, enhancing defensive programming. - Added early return in `destroy_unmanaged_vector` to avoid unnecessary consumption of a nil vector. - Implemented early checks in `safe_unmanaged_vector_to_bytes` to prevent consuming already consumed vectors. - Updated test assertions for clarity and conciseness in error handling for consumed vectors.
- Introduced #[allow(non_camel_case_types)] attribute to the cache_t struct to suppress warnings related to naming conventions, improving code clarity and compliance with Go's conventions.
- Updated address formats in `ibc_test.go` to use Bech32-compliant addresses for consistency. - Added comprehensive address validation tests in `internal/api/address_validation_test.go` covering valid and invalid Bech32, Ethereum, and Solana addresses, as well as legacy formats. - Improved error messages in `api_test.go` for clarity on address validation failures. - Refactored `mocks.go` to support various address formats and added validation logic for empty and oversized addresses. - Introduced new tests in `libwasmvm/src/api_test.rs` to validate address formats, ensuring robust testing for address validation logic.
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This adds some amateurish fuzz tests to cosmwasm. Especially in need of review because I haven't done this befofre and I want to make sure we get meaningful output.