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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..09cc291
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "discriminator"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anchor-lang = "0.25.0"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..5ede3ba
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,28 @@
+fn main() -> () {
+    let mut namespace = "global".to_string();
+    let mut name = None;
+    for arg in std::env::args().skip(1) {
+        if arg == "-n" {
+            namespace = std::env::args().nth(2).expect("no namespace given");
+        } else {
+            name = Some(arg);
+        }
+    }
+    let name = name.expect("no name given");
+    let hash = get_hash(&namespace, &name);
+
+    // print result
+    println!("namespace: {}", namespace);
+    println!("name: {}", name);
+    println!("hash: {:?}\n", hash);
+    ()
+}
+
+pub fn get_hash(namespace: &str, name: &str) -> [u8; 8] {
+    let preimage = format!("{}:{}", namespace, name);
+    let mut sighash = [0u8; 8];
+    sighash.copy_from_slice(
+        &anchor_lang::solana_program::hash::hash(preimage.as_bytes()).to_bytes()[..8],
+    );
+    sighash
+}