feat: add version constant

zkevm-circuits/src/lib.rs

@@ -18,6 +18,7 @@
 #![deny(unsafe_code)]
 #![deny(clippy::debug_assert_with_mut_call)]
 
+pub mod version;
 pub mod bytecode_circuit;
 pub mod copy_circuit;
 pub mod evm_circuit;

zkevm-circuits/src/version.rs

@@ -0,0 +1,28 @@
+/// Version
+pub mod version {
+    /// Major version
+    pub const MAJOR: u32 = 0;
+    /// Minor version
+    pub const MINOR: u32 = 1;
+    /// Patch version
+    pub const PATCH: u32 = 0;
+
+    /// Export versions as string
+    pub fn as_string() -> String {
+        format!("{}.{}.{}", MAJOR, MINOR, PATCH)
+    }
+}
+
+mod tests {
+    use crate::version::version;
+
+    #[test]
+    fn test_version_string() {
+        let expected = "0.1.0";
+
+        assert_eq!(version::MAJOR, 0, "wrong version");
+        assert_eq!(version::MINOR, 1, "wrong version");
+        assert_eq!(version::PATCH, 0, "wrong version");
+        assert_eq!(version::as_string(), expected, "wrong version");
+    }
+}