use blockchyp; use std::error::Error; fn message_example() -> Result<(), Box> { // sample credentials let creds = blockchyp::APICredentials { api_key: "ZDSMMZLGRPBPRTJUBTAFBYZ33Q".to_string(), bearer_token: "ZLBW5NR4U5PKD5PNP3ZP3OZS5U".to_string(), signing_key: "9c6a5e8e763df1c9256e3d72bd7f53dfbd07312938131c75b3bfd254da787947".to_string(), }; // instantiate the client let client = blockchyp::Client::new(creds); let mut request = blockchyp::MessageRequest{ test: true, terminal_name: "Test Terminal".to_string(), message: "Thank you for your business.".to_string(), ..Default::default() }; let (response, err) = client.message(&mut request); if let Some(e) = err { eprintln!("Unexpected error occurred: {:?}", e); return Err(e) } if response.success { println!("Success"); } println!("Response: {:?}", response); Ok(()) } fn main() -> Result<(), Box> { message_example()?; println!("Example completed successfully!"); Ok(()) }