initial commit

src/errors.rs

@@ -0,0 +1,15 @@
+use std::fmt;
+
+pub struct ProofVerifyError;
+
+impl fmt::Display for ProofVerifyError {
+  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    write!(f, "Proof verification failed")
+  }
+}
+
+impl fmt::Debug for ProofVerifyError {
+  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    write!(f, "{{ file: {}, line: {} }}", file!(), line!())
+  }
+}