#![no_main] use libfuzzer_sys::fuzz_target; use cashu::nuts::nut11::P2PKWitness; fuzz_target!(|data: &str| { // Fuzz P2PKWitness JSON deserialization // This tests signature list parsing with various formats let _: Result = serde_json::from_str(data); // Fuzz with arbitrary signature strings // Test various invalid signature formats if let Ok(sigs) = serde_json::from_str::>(data) { let witness = P2PKWitness { signatures: sigs }; // Verify the witness can be serialized back let _ = serde_json::to_string(&witness); } });