Implementation of fundamental circuitry and primitive Jubjub curve arithmetic.

src/circuit/mod.rs

@@ -0,0 +1,21 @@
+#[cfg(test)]
+pub mod test;
+
+pub mod boolean;
+pub mod uint32;
+pub mod blake2s;
+
+use bellman::SynthesisError;
+
+trait Assignment<T> {
+    fn get(&self) -> Result<&T, SynthesisError>;
+}
+
+impl<T> Assignment<T> for Option<T> {
+    fn get(&self) -> Result<&T, SynthesisError> {
+        match *self {
+            Some(ref v) => Ok(v),
+            None => Err(SynthesisError::AssignmentMissing)
+        }
+    }
+}