use ethers_solc::{Project, ProjectPathsConfig}; fn main() { println!("cargo:rerun-if-changed=contracts/Schnorr.sol"); // configure the project with all its paths, solc, cache etc. let project = Project::builder() .paths(ProjectPathsConfig::hardhat(env!("CARGO_MANIFEST_DIR")).unwrap()) .build() .unwrap(); project.compile().unwrap(); // Tell Cargo that if a source file changes, to rerun this build script. project.rerun_if_sources_changed(); }