Changed main.rs (Added App)

hw7/task1/src/main.rs

@@ -0,0 +1,50 @@
+extern crate clap;
+extern crate time;
+use clap::{Arg, App, SubCommand};
+mod hasher_sha256;
+mod hash256;
+
+pub fn main(/*base: usize, */number: usize, diff: String) {
+    let matches = create_app().get_matches();
+    let base;
+    match matches.value_of("base") {
+        Some(x) => {base = u64::from(x)}
+        None => {panic!()}
+    };
+    match hash256::verify_product(base, number, diff) {
+        Some(x) => { println!("{}", diff); }
+        None => { println!("None"); }
+    }
+}
+
+fn create_app<'a, 'b>() -> App<'a, 'b> {
+    App::new("Hash256")
+        .version("1.0")
+        .author("Lorenz Bung & Joshua Rutschmann")
+        .about("Calculates the Hashvalue of the given base, number and difficulty.")
+        .arg(Arg::with_name("base")
+            .short("b")
+            .long("base")
+            .value_name("VALUE")
+            .help("The base of the hash to be calculated on.")
+            .takes_value(true)
+            .required(true))
+        .arg(Arg::with_name("number")
+            .short("n")
+            .long("number")
+            .value_name("VALUE")
+            .help("The number of the hash to be calculated on.")
+            .takes_value(true)
+            .required(true))
+        .arg(Arg::with_name("difficulty")
+            .short("d")
+            .long("difficulty")
+            .value_name("VALUE")
+            .help("The difficulty of the calculated hash.")
+            .takes_value(true)
+            .required(true))
+        .subcommand(SubCommand::with_name("timings")
+            .about("controls timing features")
+            .version("1.0")
+            .author("Lorenz Bung & Joshua Rutschmann"))
+}