# ── Fuzzing ───────────────────────────────────────────────────────────────────
export RISC0_DEV_MODE := "1"

# Run all fuzz targets for TIME seconds each (default: 30)
fuzz TIME="30":
    cargo fuzz run fuzz_transaction_decoding  -- -max_total_time={{TIME}}
    cargo fuzz run fuzz_stateless_verification -- -max_total_time={{TIME}}
    cargo fuzz run fuzz_state_transition      -- -max_total_time={{TIME}}
    cargo fuzz run fuzz_block_verification    -- -max_total_time={{TIME}}

# Re-run the saved corpus (regression mode, no new mutations)
fuzz-regression:
    cargo fuzz run fuzz_transaction_decoding  fuzz/corpus/fuzz_transaction_decoding  -- -runs=0
    cargo fuzz run fuzz_stateless_verification fuzz/corpus/fuzz_stateless_verification -- -runs=0
    cargo fuzz run fuzz_state_transition      fuzz/corpus/fuzz_state_transition      -- -runs=0
    cargo fuzz run fuzz_block_verification    fuzz/corpus/fuzz_block_verification    -- -runs=0

# Minimise a crash artifact
# Usage: just fuzz-tmin fuzz_state_transition fuzz/artifacts/fuzz_state_transition/crash-XXX
fuzz-tmin TARGET ARTIFACT:
    cargo fuzz tmin {{TARGET}} {{ARTIFACT}}

# Run the proptest-based property tests
fuzz-props:
    cargo test -p fuzz_props --release

# Pull the latest LEZ changes from the sibling logos-execution-zone directory
update-lez:
    git -C ../logos-execution-zone pull --ff-only

# ── Corpus management ─────────────────────────────────────────────────────────

# Minimise the corpus for all four targets (removes dominated inputs)
corpus-cmin:
    cargo fuzz cmin fuzz_transaction_decoding
    cargo fuzz cmin fuzz_stateless_verification
    cargo fuzz cmin fuzz_state_transition
    cargo fuzz cmin fuzz_block_verification

# Minimise the corpus for a single target
# Usage: just corpus-cmin-target fuzz_state_transition
corpus-cmin-target TARGET:
    cargo fuzz cmin {{TARGET}}

# ── Housekeeping ──────────────────────────────────────────────────────────────

# Remove all Cargo build artefacts (workspace + fuzz sub-crate)
clean:
    cargo clean
    cargo clean --manifest-path fuzz/Cargo.toml

# Remove libFuzzer crash/timeout artifacts for all targets (corpus is kept)
clean-artifacts:
    rm -rf fuzz/artifacts/

# Remove coverage reports generated by `cargo fuzz coverage`
clean-coverage:
    rm -rf fuzz/coverage/

# Remove everything: builds, artifacts, and coverage
clean-all: clean clean-artifacts clean-coverage