chore: bump zerokit to v0.5.1 (rlnv2 custom witness) (#5)

Co-authored-by: Richard Ramos <info@richardramos.me>

rln/librln.h

@@ -71,6 +71,10 @@ bool generate_rln_proof(struct RLN *ctx,
                         const struct Buffer *input_buffer,
                         struct Buffer *output_buffer);
 
+bool generate_rln_proof_with_witness(struct RLN *ctx,
+                                     const struct Buffer *input_buffer,
+                                     struct Buffer *output_buffer);
+
 bool verify_rln_proof(const struct RLN *ctx,
                       const struct Buffer *proof_buffer,
                       bool *proof_is_valid_ptr);

rln/wrapper.go

@@ -160,21 +160,16 @@ func (r *RLN) GenerateRLNProof(input []byte) ([]byte, error) {
 }
 
 func (r *RLN) GenerateRLNProofWithWitness(input []byte) ([]byte, error) {
-	// TODO: Temporally disabled. In RLNv2 this is not enabled yet.
-	return nil, errors.New("not implemented")
+	inputBuffer := toCBufferPtr(input)
 
-	/*
-		inputBuffer := toCBufferPtr(input)
+	var output []byte
+	out := toBuffer(output)
 
-		var output []byte
-		out := toBuffer(output)
+	if !bool(C.generate_rln_proof_with_witness(r.ptr, inputBuffer, &out)) {
+		return nil, errors.New("could not generate the proof with witness")
+	}
 
-		if !bool(C.generate_rln_proof_with_witness(r.ptr, inputBuffer, &out)) {
-			return nil, errors.New("could not generate the proof with witness")
-		}
-
-		return C.GoBytes(unsafe.Pointer(out.ptr), C.int(out.len)), nil
-	*/
+	return C.GoBytes(unsafe.Pointer(out.ptr), C.int(out.len)), nil
 }
 
 func (r *RLN) VerifyWithRoots(input []byte, roots []byte) (bool, error) {

zerokit

@@ -1 +1 @@
-Subproject commit 7790954c4a450808e807837cec89700032b0adb8
+Subproject commit 85d71a5427ee78528d6420c04b67c7825e3c6e91