smart-contract/proof/membership_proof.zk

# SPDX-License-Identifier: AGPL-3.0-only

# The k parameter defining the number of rows used in our circuit (2^k)
k = 11;
field = "pallas";

# The constants we define for our circuit
constant "MembershipProof" {
	# We use this generator for public key derivation
	EcFixedPointBase NULLIFIER_K,
}

# The witness values we define in our circuit
witness "MembershipProof" {
	# The secret key we use to derive the public key
	Base secret_key,
}

# The definition of our ZK circuit
circuit "MembershipProof" {
	# Derive the public key
	public_key = ec_mul_base(secret_key, NULLIFIER_K);

	# Constrain the public key coordinates.
	# These are our circuit's public inputs.
	constrain_instance(ec_get_x(public_key));
	constrain_instance(ec_get_y(public_key));
}