2023-01-23 17:06:20 +01:00
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#include "model.hpp"
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#include "crow/json.h"
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#include "tl/expected.hpp"
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#define TO_JSON(name) r[#name]=name
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#define BIGINT_TO_JSON(name) r[#name]=name.to_string()
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#define TO_JSON_JSON(name) r[#name]=name.to_json()
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#define TO_JSON_ARRAY(name) r[#name]=list_to_json(name)
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template <class T>
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crow::json::wvalue list_to_json(const std::vector<T> &array) {
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crow::json::wvalue::list l;
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for (const auto& item : array) {
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2023-01-23 17:06:20 +01:00
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l.push_back(item.to_json());
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2023-04-20 22:55:17 +02:00
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}
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return {l};
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2023-01-23 17:06:20 +01:00
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}
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crow::json::wvalue list_to_json(const std::vector<unsigned int> &array) {
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crow::json::wvalue::list l;
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2023-04-20 22:55:17 +02:00
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for (auto item : array) {
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l.emplace_back(item);
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}
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return {l};
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2023-01-23 17:06:20 +01:00
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}
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crow::json::wvalue PublicKey::to_json() const {
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crow::json::wvalue r;
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BIGINT_TO_JSON(modulus);
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BIGINT_TO_JSON(public_exponent);
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r["type"]="rsa public key";
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return r;
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}
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crow::json::wvalue WeightedUrl::to_json() const {
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crow::json::wvalue::list l;
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crow::json::wvalue w(weight);
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l.push_back(w);
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2023-04-20 22:55:17 +02:00
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l.emplace_back(url);
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2023-01-23 17:06:20 +01:00
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return l;
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}
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crow::json::wvalue CDD::to_json() const {
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crow::json::wvalue r;
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TO_JSON(additional_info);
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TO_JSON(cdd_expiry_date);
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TO_JSON(cdd_location);
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TO_JSON(cdd_serial);
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TO_JSON(cdd_signing_date);
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TO_JSON(currency_divisor);
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TO_JSON(currency_name);
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TO_JSON_ARRAY(denominations);
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BIGINT_TO_JSON(id);
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TO_JSON_ARRAY(info_service);
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TO_JSON(issuer_cipher_suite);
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TO_JSON_JSON(issuer_public_master_key);
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TO_JSON_ARRAY(mint_service);
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TO_JSON(protocol_version);
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TO_JSON_ARRAY(redeem_service);
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TO_JSON_ARRAY(renew_service);
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r["type"] = "cdd";
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return r;
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}
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crow::json::wvalue CDDC::to_json() const {
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crow::json::wvalue r;
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TO_JSON_JSON(cdd);
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TO_JSON(signature);
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r["type"] = "cdd certificate";
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return r;
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}
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crow::json::wvalue MintKey::to_json() const {
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crow::json::wvalue r;
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TO_JSON(cdd_serial);
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TO_JSON(coins_expiry_date);
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TO_JSON(denomination);
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BIGINT_TO_JSON(id);
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BIGINT_TO_JSON(issuer_id);
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TO_JSON_JSON(public_mint_key);
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TO_JSON(sign_coins_not_after);
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TO_JSON(sign_coins_not_before);
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r["type"] = "mint key";
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return r;
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}
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crow::json::wvalue MintKeyCert::to_json() const {
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crow::json::wvalue r;
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TO_JSON_JSON(mint_key);
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TO_JSON(signature);
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r["type"] = "mint key certificate";
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return r;
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}
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crow::json::wvalue Response::to_json() const {
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crow::json::wvalue r;
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TO_JSON(message_reference);
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TO_JSON(status_code);
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TO_JSON(status_description);
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return r;
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}
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crow::json::wvalue ResponseCDDCSerial::to_json() const {
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crow::json::wvalue r = Response::to_json();
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TO_JSON(cdd_serial);
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r["type"] = "response cdd serial";
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return r;
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}
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tl::expected<RequestCDDCSerial, eError>
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RequestCDDCSerial::from_string(const std::string &str) {
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auto json = crow::json::load(str);
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if (!json) {
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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} else if (!json.has("type") || !json.has("message_reference")) {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else if (json["type"] != "request cdd serial") {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else {
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RequestCDDCSerial r;
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r.message_reference = json["message_reference"].u();
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return r;
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}
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}
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crow::json::wvalue ResponseCDDC::to_json() const {
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crow::json::wvalue r = Response::to_json();
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TO_JSON_JSON(cddc);
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r["type"] = "response cdd serial";
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return r;
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}
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tl::expected<RequestCDDC, eError>
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RequestCDDC::from_string(const std::string &str) {
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auto json = crow::json::load(str);
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if (!json) {
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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} else if (!(json.has("type") && json.has("message_reference") &&
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json.has("cdd_serial"))) {
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return tl::make_unexpected(eError::JSON_MISSING_KEY);
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} else if (json["type"] != "request cddc") {
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return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
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} else {
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RequestCDDC r;
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r.cdd_serial = json["cdd_serial"].u();
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r.message_reference = json["message_reference"].u();
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return r;
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}
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}
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tl::expected<RequestMKCs, eError>
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RequestMKCs::from_string(const std::string &str) {
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auto json = crow::json::load(str);
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if (!json) {
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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} else if (!(json.has("denominations") && json.has("message_reference") &&
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json.has("mint_key_ids") && json.has("type"))) {
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return tl::make_unexpected(eError::JSON_MISSING_KEY);
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} else if (json["type"] != "request mint key certificates") {
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return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
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} else {
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RequestMKCs r;
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r.message_reference = json["message_reference"].u();
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auto denominations = json["denominations"];
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if (denominations.t() != crow::json::type::List) {
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return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
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} else {
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for (const auto& d : denominations.lo()) {
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r.denominations.push_back(d.u());
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}
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}
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auto mint_key_ids = json["mint_key_ids"];
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if (mint_key_ids.t() != crow::json::type::List) {
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return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
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} else {
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for (const auto& k: mint_key_ids.lo()) {
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auto kv = BigInt::from_string(k.s());
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if (!kv.has_value()) {
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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} else {
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r.mint_key_ids.push_back(*kv);
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}
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}
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}
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return r;
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}
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}
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crow::json::wvalue ResponseMKCs::to_json() const {
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crow::json::wvalue r = Response::to_json();
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TO_JSON_ARRAY(keys);
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r["type"] = "response mint key certificates";
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return r;
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}
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crow::json::wvalue Blind::to_json() const {
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crow::json::wvalue r;
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BIGINT_TO_JSON(blinded_payload_hash);
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BIGINT_TO_JSON(mint_key_id);
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TO_JSON(reference);
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r["type"] = "blinded payload hash";
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return r;
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}
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tl::expected<Blind, eError> Blind::from_json(const crow::json::rvalue &json) {
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if (!(json.has("type")
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&& json.has("blinded_payload_hash")
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&& json.has("mint_key_id")
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&& json.has("reference"))) {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else if (json["type"] != "blinded payload hash") {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else {
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Blind r;
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auto hash = BigInt::from_string(json["blinded_payload_hash"].s());
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if (!hash) {
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// std::cout << "invalid hash : " << json["blinded_payload_hash"].s()
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// << std::endl;
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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}
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r.blinded_payload_hash = hash.value();
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auto key_id = BigInt::from_string(json["mint_key_id"].s());
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if (!key_id) {
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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}
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r.mint_key_id = key_id.value();
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r.reference = json["reference"].s();
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return r;
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}
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}
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crow::json::wvalue BlindSignature::to_json() const {
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crow::json::wvalue r;
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BIGINT_TO_JSON(blind_signature);
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TO_JSON(reference);
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r["type"] = "blind signature";
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return r;
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}
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tl::expected<RequestMint, eError>
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RequestMint::from_string(const std::string &str) {
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std::vector<Blind> blinds;
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// "type": "request mint"
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auto json = crow::json::load(str);
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if (!json) {
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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} else if (!(json.has("type") && json.has("message_reference") &&
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json.has("transaction_reference") && json.has("blinds"))) {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else if (json["type"] != "request mint") {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else {
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RequestMint r;
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r.message_reference= json["message_reference"].u();
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auto tr = BigInt::from_string(json["transaction_reference"].s());
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if (!tr)
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return tl::make_unexpected(eError::JSON_PARSE_ERROR);
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r.transaction_reference = *tr;
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if (json["blinds"].t()!=crow::json::type::List) {
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return tl::make_unexpected(eError::JSON_WRONG_VALUE_TYPE);
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}
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for (const auto& item : json["blinds"]) {
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auto b = Blind::from_json(item);
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if (!b.has_value()) {
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return tl::make_unexpected(b.error());
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} else {
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r.blinds.push_back(b.value());
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}
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}
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return r;
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}
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}
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crow::json::wvalue ResponseMint::to_json() const {
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crow::json::wvalue r = Response::to_json();
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TO_JSON_ARRAY(blind_signatures);
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r["type"] = "response mint";
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return r;
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}
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crow::json::wvalue Coin::Payload::to_json() const {
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crow::json::wvalue r;
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TO_JSON(cdd_location);
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TO_JSON(denomination);
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BIGINT_TO_JSON(issuer_id);
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BIGINT_TO_JSON(mint_key_id);
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TO_JSON(protocol_version);
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BIGINT_TO_JSON(serial);
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r["type"] = "payload";
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return r;
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}
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crow::json::wvalue Coin::to_json() const {
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crow::json::wvalue r;
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TO_JSON_JSON(payload);
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TO_JSON(signature);
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r["type"] = "coin";
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return r;
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}
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tl::expected<Coin::Payload, eError>
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Coin::Payload::from_json(const crow::json::rvalue &json) {
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if (!(json.has("cdd_location") && json.has("denomination") &&
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json.has("issuer_id") && json.has("mint_key_id") &&
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json.has("protocol_version") && json.has("serial") &&
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json.has("type"))) {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else if (json["type"] != "payload") {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else {
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Coin::Payload payload;
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payload.cdd_location = json["cdd_location"].s();
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payload.denomination = json["denomination"].u();
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auto id = BigInt::from_string(json["issuer_id"].s());
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if (!id)
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tl::make_unexpected(eError::JSON_PARSE_ERROR);
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payload.issuer_id = *id;
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id = BigInt::from_string(json["mint_key_id"].s());
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if (!id)
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tl::make_unexpected(eError::JSON_PARSE_ERROR);
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payload.mint_key_id = *id;
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payload.protocol_version = json["protocol_version"].s();
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id = BigInt::from_string(json["serial"].s());
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if (!id)
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tl::make_unexpected(eError::JSON_PARSE_ERROR);
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payload.serial = *id;
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return payload;
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}
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}
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tl::expected<Coin, eError> Coin::from_json(const crow::json::rvalue &json) {
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if (!(json.has("type") && json.has("payload") && json.has("signature"))) {
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return tl::make_unexpected(eError::JSON_ERROR);
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} else if (json["type"] != "coin") {
|
|
|
|
return tl::make_unexpected(eError::JSON_ERROR);
|
|
|
|
} else {
|
|
|
|
auto pl = Payload::from_json(json["payload"]);
|
|
|
|
if (!pl.has_value()) {
|
|
|
|
return tl::make_unexpected(pl.error());
|
|
|
|
} else {
|
|
|
|
Coin c;
|
|
|
|
c.payload = pl.value();
|
|
|
|
c.signature = json["signature"].s();
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
crow::json::wvalue CoinStack::to_json() const {
|
|
|
|
crow::json::wvalue r;
|
|
|
|
TO_JSON_ARRAY(coins);
|
|
|
|
TO_JSON(subject);
|
|
|
|
r["type"] = "coinstack";
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
tl::expected<RequestRenew, eError>
|
|
|
|
RequestRenew::from_string(const std::string &str) {
|
|
|
|
auto json = crow::json::load(str);
|
|
|
|
|
|
|
|
if (!json) {
|
|
|
|
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
|
|
|
|
} else if (!(json.has("blinds") && json.has("coins") &&
|
|
|
|
json.has("transaction_reference") &&
|
|
|
|
json.has("message_reference") && json.has("type"))) {
|
|
|
|
return tl::make_unexpected(eError::JSON_MISSING_KEY);
|
|
|
|
} else if (json["type"] != "request renew") {
|
|
|
|
return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
|
|
|
|
} else if ((json["coins"].t() != crow::json::type::List) ||
|
|
|
|
(json["blinds"].t() != crow::json::type::List)) {
|
|
|
|
return tl::make_unexpected(eError::JSON_WRONG_VALUE_TYPE);
|
|
|
|
} else {
|
|
|
|
RequestRenew r;
|
|
|
|
|
2023-04-20 22:55:17 +02:00
|
|
|
for (const auto& item : json["coins"]) {
|
2023-01-23 17:06:20 +01:00
|
|
|
auto coin = Coin::from_json(item);
|
|
|
|
if (!coin.has_value()) {
|
|
|
|
return tl::make_unexpected(coin.error());
|
|
|
|
} else {
|
|
|
|
r.coins.push_back(coin.value());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2023-04-20 22:55:17 +02:00
|
|
|
for (const auto& item : json["blinds"]) {
|
2023-01-23 17:06:20 +01:00
|
|
|
auto blind = Blind::from_json(item);
|
|
|
|
if (!blind.has_value()) {
|
|
|
|
return tl::make_unexpected(blind.error());
|
|
|
|
} else {
|
|
|
|
r.blinds.push_back(blind.value());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
r.message_reference = json["message_reference"].u();
|
|
|
|
r.transaction_reference = json["transaction_reference"].s();
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
crow::json::wvalue ResponseDelay::to_json() const {
|
|
|
|
crow::json::wvalue r = Response::to_json();
|
|
|
|
r["type"] = "response delay";
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
tl::expected<RequestResume, eError>
|
|
|
|
RequestResume::from_string(const std::string &str) {
|
|
|
|
auto json = crow::json::load(str);
|
|
|
|
if (!json) {
|
|
|
|
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
|
|
|
|
} else if (!(json.has("transaction_reference") &&
|
|
|
|
json.has("message_reference") && json.has("type"))) {
|
|
|
|
return tl::make_unexpected(eError::JSON_MISSING_KEY);
|
|
|
|
} else if (json["type"] != "request resume") {
|
|
|
|
return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
|
|
|
|
} else {
|
|
|
|
RequestResume r;
|
|
|
|
r.message_reference = json["message_reference"].u();
|
|
|
|
auto tr = BigInt::from_string(json["transaction_reference"].s());
|
|
|
|
if (!tr)
|
|
|
|
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
|
|
|
|
r.transaction_reference = *tr;
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
tl::expected<RequestRedeem, eError>
|
|
|
|
RequestRedeem::from_string(const std::string &str) {
|
|
|
|
// "type":
|
|
|
|
auto json = crow::json::load(str);
|
|
|
|
if (!json) {
|
|
|
|
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
|
|
|
|
} else if (!(json.has("coins") && json.has("message_reference") &&
|
|
|
|
json.has("type"))) {
|
|
|
|
return tl::make_unexpected(eError::JSON_MISSING_KEY);
|
|
|
|
} else if (json["type"] != "request redeem") {
|
|
|
|
return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
|
|
|
|
} else {
|
|
|
|
RequestRedeem r;
|
|
|
|
r.message_reference = json["message_reference"].u();
|
|
|
|
if (json["coins"].t() != crow::json::type::List) {
|
|
|
|
return tl::make_unexpected(eError::JSON_WRONG_VALUE_TYPE);
|
|
|
|
}
|
|
|
|
|
2023-04-20 22:55:17 +02:00
|
|
|
for (const auto& item : json["coins"]) {
|
2023-01-23 17:06:20 +01:00
|
|
|
auto coin = Coin::from_json(item);
|
|
|
|
if (!coin.has_value()) {
|
|
|
|
return tl::make_unexpected(coin.error());
|
|
|
|
} else {
|
|
|
|
r.coins.push_back(coin.value());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
crow::json::wvalue ResponseRedeem::to_json() const {
|
|
|
|
crow::json::wvalue r = Response::to_json();
|
|
|
|
r["type"] = "response redeem";
|
|
|
|
return r;
|
|
|
|
}
|