# ecrecover FFI export of Ethereum's ecrecover prerequisite: - a checked out copy of parity-ethereum (https://github.com/paritytech/parity-ethereum) checked out in the same directory this is (i.e. it will be referenced as `../parity-ethereum`) to compile: `cargo build` to test: `make` (requires gcc) ./test (if you don't see `Test passed` then something went wrong).