Create bridge.rs

Author: iamfurydammit

src/bridge.rs

@@ -0,0 +1,18 @@
+use crate::state_machine::{IntentState, TransitionEvent};
+use crate::proof::CompletionProof;
+pub fn apply_completion_proof(
+    state: IntentState,
+    proof: &CompletionProof,
+) -> Result<IntentState, &'static str> {
+    if state != IntentState::Committed {
+        return Err("Completion proof can only be applied in Committed state");
+    }
+
+    let event = if proof.validate().is_ok() {
+        TransitionEvent::CompletionProofVerified
+    } else {
+        TransitionEvent::ProofInvalid
+    };
+
+    state.transition(event)
+}