use ethers::{contract::Abigen, solc::Solc}; fn main() -> eyre::Result<()> { let mut args = std::env::args(); args.next().unwrap(); // skip program name let contract_name = args.next().unwrap_or_else(|| "SimpleStorage".to_owned()); let contract: String = args.next().unwrap_or_else(|| "examples/contract.sol".to_owned()); println!("Generating bindings for {}\n", contract); // compile it let abi = if contract.ends_with(".sol") { let contracts = Solc::default().compile_source(&contract)?; let abi = contracts.get(&contract, &contract_name).unwrap().abi.unwrap(); serde_json::to_string(abi).unwrap() } else { contract }; let bindings = Abigen::new(&contract_name, abi)?.generate()?; // print to stdout if no output arg is given if let Some(output_path) = args.next() { bindings.write_to_file(&output_path)?; } else { bindings.write(std::io::stdout())?; } Ok(()) }