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T

Vivek Pandya 87db25ce01 Remove use of Store trait (#6835 )

* Remove use of Store trait from runtime directory

* Remove Store trait usage from xcm directory

* Run cargo fmt

* update lockfile for {"substrate"}

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Co-authored-by: parity-processbot <>

2023-03-13 16:11:22 +00:00

src

Remove use of Store trait (#6835 )

2023-03-13 16:11:22 +00:00

.gitignore

Improve XCM fuzzer (#6190 )

2023-02-23 08:59:03 +00:00

Cargo.toml

Improve XCM fuzzer (#6190 )

2023-02-23 08:59:03 +00:00

README.md

Improve XCM fuzzer (#6190 )

2023-02-23 08:59:03 +00:00

README.md

XCM Simulator Fuzzer

This project will fuzz-test the XCM simulator. It can catch reachable panics, timeouts as well as integer overflows and underflows.

Install dependencies

cargo install honggfuzz

Run the fuzzer

In this directory, run this command:

cargo hfuzz run xcm-fuzzer

Run a single input

In this directory, run this command:

cargo hfuzz run-debug xcm-fuzzer hfuzz_workspace/xcm-fuzzer/fuzzer_input_file

Generate coverage

In this directory, run these four commands:

RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort" CARGO_INCREMENTAL=0 SKIP_WASM_BUILD=1 CARGO_HOME=./cargo cargo build
../../../target/debug/xcm-fuzzer hfuzz_workspace/xcm-fuzzer/input/
zip -0 ccov.zip `find ../../../target/ \( -name "*.gc*" -o -name "test-*.gc*" \) -print`
grcov ccov.zip -s ../../../ -t html --llvm --branch --ignore-not-existing -o ./coverage

The code coverage will be in ./coverage/index.html.