Merge pull request CosmWasm#1519 from CosmWasm/rm-check_contract-impl…

…ementation

Remove check_contract implementation

packages/vm/examples/check_contract.rs

@@ -1,57 +1,9 @@
-use std::fs::File;
-use std::io::Read;
-
-use clap::{App, Arg};
-
-use cosmwasm_vm::capabilities_from_csv;
-use cosmwasm_vm::internals::{check_wasm, compile};
-
-const DEFAULT_AVAILABLE_CAPABILITIES: &str = "iterator,staking,stargate,cosmwasm_1_1";
-
 pub fn main() {
-    eprintln!("`check_contract` will be removed from the next version of `cosmwasm-vm` - please use `cosmwasm-check` instead.");
+    eprintln!("`check_contract` has been removed from `cosmwasm-vm` examples - please use `cosmwasm-check` instead.");
+    eprintln!("See https://crates.io/crates/cosmwasm-check");
+    eprintln!();
     eprintln!("> cargo install cosmwasm-check");
-
-    let matches = App::new("Contract checking")
-        .version("0.1.0")
-        .long_about("Checks the given wasm file (memories, exports, imports, available capabilities, and non-determinism).")
-        .author("Mauro Lacy <mauro@lacy.com.es>")
-        .arg(
-            Arg::with_name("CAPABILITIES")
-                // `long` setting required to turn the position argument into an option 🤷
-                .long("available-capabilities")
-                .aliases(&["FEATURES", "supported-features"]) // Old names
-                .value_name("CAPABILITIES")
-                .help("Sets the available capabilities that the desired target chain has")
-                .takes_value(true)
-        )
-        .arg(
-            Arg::with_name("WASM")
-                .help("Wasm file to read and compile")
-                .required(true)
-                .index(1),
-        )
-        .get_matches();
-
-    // Available capabilities
-    let available_capabilities_csv = matches
-        .value_of("CAPABILITIES")
-        .unwrap_or(DEFAULT_AVAILABLE_CAPABILITIES);
-    let available_capabilities = capabilities_from_csv(available_capabilities_csv);
-    println!("Available capabilities: {:?}", available_capabilities);
-
-    // File
-    let path = matches.value_of("WASM").expect("Error parsing file name");
-    let mut file = File::open(path).unwrap();
-
-    // Read wasm
-    let mut wasm = Vec::<u8>::new();
-    file.read_to_end(&mut wasm).unwrap();
-
-    // Check wasm
-    check_wasm(&wasm, &available_capabilities).unwrap();
-
-    // Compile module
-    compile(&wasm, None, &[]).unwrap();
-    println!("contract checks passed.")
+    eprintln!("> cosmwasm-check --help");
+    eprintln!();
+    std::process::exit(74);
 }