Files
wickra/fuzz/Cargo.toml
T
kingchenc 78c31d1bed E16: add a cargo-fuzz harness
The repository had no fuzzing setup despite several natural targets —
the CSV parser, the Binance envelope deserializer, and the stateful
indicator/aggregator update paths.

Add a fuzz/ cargo-fuzz crate (detached from the workspace via its own
[workspace] table and the parent's exclude) with four targets:

- csv_reader      — CandleReader over arbitrary bytes
- binance_envelope — RawWsEnvelope deserialization from arbitrary strings
- indicator_update — RSI/EMA streaming + batch over arbitrary f64 series
- tick_aggregator — TickAggregator over arbitrary tick triples

Each target asserts the no-panic contract: malformed input must surface
as an Err. fuzz/README.md documents running them (nightly + cargo-fuzz).
2026-05-22 16:44:19 +02:00

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TOML

[package]
name = "wickra-fuzz"
version = "0.0.0"
publish = false
edition = "2021"
[package.metadata]
cargo-fuzz = true
[dependencies]
libfuzzer-sys = "0.4"
serde_json = "1"
wickra-core = { path = "../crates/wickra-core" }
wickra-data = { path = "../crates/wickra-data", features = ["live-binance"] }
# Detach this crate from the parent workspace — cargo-fuzz builds it on its
# own with sanitizer flags.
[workspace]
[[bin]]
name = "csv_reader"
path = "fuzz_targets/csv_reader.rs"
test = false
doc = false
bench = false
[[bin]]
name = "binance_envelope"
path = "fuzz_targets/binance_envelope.rs"
test = false
doc = false
bench = false
[[bin]]
name = "indicator_update"
path = "fuzz_targets/indicator_update.rs"
test = false
doc = false
bench = false
[[bin]]
name = "tick_aggregator"
path = "fuzz_targets/tick_aggregator.rs"
test = false
doc = false
bench = false