Function per_commit_point

common/derive_basepoints.c:123–145

}

bool per_commit_point(const struct sha256 *shaseed,
		      struct pubkey *commit_point,
		      u64 per_commit_index)
{
	struct secret secret;

	if (!per_commit_secret(shaseed, &secret, per_commit_index))
		return false;

	/* BOLT #3:
	 *
	 * The `per_commitment_point` is generated using elliptic-curve
	 * multiplication:
	 *
	 * 	per_commitment_point = per_commitment_secret * G
	 */
	if (secp256k1_ec_pubkey_create(secp256k1_ctx,
				       &commit_point->pubkey,
				       secret.data) != 1)
		return false;

	return true;
}

bool derive_payment_basepoint(const struct secret *seed,
			      struct pubkey *payment_basepoint,