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oc-mint
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added json-de-/serialisation and tests

This commit is contained in:
gulliver 2022-11-28 22:58:55 +01:00
parent a6b0f01b0f
commit b53a6bc14d
3 changed files with 571 additions and 47 deletions
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242
src/model.cpp
View File

@ -122,9 +122,11 @@ RequestCDDSerial::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("message_reference")) {
} else if ( !json.has("type") || !json.has("message_reference")) {
return tl::make_unexpected(eError::JSON_ERROR);
} else {
} else if ( json["type"]!="request cdd serial") {
return tl::make_unexpected(eError::JSON_ERROR);
} else {
RequestCDDSerial r;
r.message_reference= json["message_reference"].u();
return r;
@ -145,9 +147,14 @@ RequestCDDC::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("cdd_serial")&&json.has("message_reference"))) {
return tl::make_unexpected(eError::JSON_ERROR);
} else {
} else if ( !( json.has("type")
&& json.has("message_reference")
&& json.has("cdd_serial")
) ) {
return tl::make_unexpected(eError::JSON_MISSING_KEY);
} else if ( json["type"]!="request cddc" ) {
return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
} else {
RequestCDDC r;
r.cdd_serial=json["cdd_serial"].u();
r.message_reference= json["message_reference"].u();
@ -157,17 +164,38 @@ RequestCDDC::from_string(const std::string& str)
tl::expected<RequestMKCs,eError>
RequestMKCs::from_string(const std::string& str) {
std::vector<unsigned int> denominations;
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
std::vector<unsigned int> mint_key_ids;
// "type": "request mint key certificates"
auto json = crow::json::load(str);
if (!json) {
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
} else {
return tl::make_unexpected(eError::NOT_IMPLEMENTED);
} else if ( !(json.has("denominations")
&& json.has("message_reference")
&& json.has("mint_key_ids")
&& json.has("type")
) ) {
return tl::make_unexpected(eError::JSON_MISSING_KEY);
} else if ( json["type"]!="request mint key certificates" ) {
return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
} else {
RequestMKCs r;
r.message_reference= json["message_reference"].u();
auto denominations = json["denominations"];
if ( denominations.t()!=crow::json::type::List) {
return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
} else {
for (auto d: denominations.lo()) {
r.denominations.push_back(d.u());
}
}
auto mint_key_ids = json["mint_key_ids"];
if ( mint_key_ids.t()!=crow::json::type::List) {
return tl::make_unexpected(eError::JSON_WRONG_REQUEST_TYPE);
} else {
for (auto k: mint_key_ids.lo()) {
r.mint_key_ids.push_back(k.u());
}
}
return r;
}
}
@ -188,6 +216,25 @@ crow::json::wvalue Blind::to_json() const {
return r;
}
tl::expected<Blind,eError> Blind::from_json(const crow::json::rvalue& json)
{
if ( !( json.has("type")
&& json.has("blinded_payload_hash")
&& json.has("mint_key_id")
&& json.has("reference")
) ) {
return tl::make_unexpected(eError::JSON_ERROR);
} else if ( json["type"]!="blinded payload hash" ) {
return tl::make_unexpected(eError::JSON_ERROR);
} else {
Blind r;
r.blinded_payload_hash = json["blinded_payload_hash"].s();
r.mint_key_id = json["mint_key_id"].s();
r.reference = json["reference"].s();
return r;
}
}
crow::json::wvalue BlindSignature::to_json() const {
crow::json::wvalue r;
TO_JSON(blind_signature);
@ -200,14 +247,35 @@ crow::json::wvalue BlindSignature::to_json() const {
tl::expected<RequestMint,eError>
RequestMint::from_string(const std::string& str){
std::vector<Blind> blinds;
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
// "type": "request mint"
auto json = crow::json::load(str);
if (!json) {
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
} else {
return tl::make_unexpected(eError::NOT_IMPLEMENTED);
} else if ( !( json.has("type")
&& json.has("message_reference")
&& json.has("transaction_reference")
&& json.has("blinds")
) ) {
return tl::make_unexpected(eError::JSON_ERROR);
} else if ( json["type"]!="request mint" ) {
return tl::make_unexpected(eError::JSON_ERROR);
} else {
RequestMint r;
r.message_reference= json["message_reference"].u();
r.transaction_reference= json["transaction_reference"].s();
if (json["blinds"].t()!=crow::json::type::List) {
return tl::make_unexpected(eError::JSON_WRONG_VALUE_TYPE);
}
for (auto item: json["blinds"]) {
auto b = Blind::from_json(item);
if (!b.has_value()) {
return tl::make_unexpected(b.error());
} else {
r.blinds.push_back(b.value());
}
}
return r;
}
}
@ -240,6 +308,50 @@ crow::json::wvalue Coin::to_json() const
return r;
}
tl::expected<Coin::Payload,eError> Coin::Payload::from_json(const crow::json::rvalue& json) {
if ( !( json.has("cdd_location")
&& json.has("denomination")
&& json.has("issuer_id")
&& json.has("mint_key_id")
&& json.has("protocol_version")
&& json.has("serial")
&& json.has("type"))) {
return tl::make_unexpected(eError::JSON_ERROR);
} else if ( json["type"]!="payload" ) {
return tl::make_unexpected(eError::JSON_ERROR);
} else {
Coin::Payload payload;
payload.cdd_location = json["cdd_location"].s();
payload.denomination = json["denomination"].u();
payload.issuer_id = json["issuer_id"].s();
payload.mint_key_id = json["mint_key_id"].s();
payload.protocol_version = json["protocol_version"].s();
payload.serial = json["serial"].s();
return payload;
}
}
tl::expected<Coin,eError> Coin::from_json(const crow::json::rvalue& json) {
if ( !( json.has("type")
&& json.has("payload")
&& json.has("signature")
) ) {
return tl::make_unexpected(eError::JSON_ERROR);
} 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);
@ -251,17 +363,46 @@ crow::json::wvalue CoinStack::to_json() const {
tl::expected<RequestRenew,eError>
RequestRenew::from_string(const std::string& str) {
std::vector<Blind> blinds;
std::vector<Coin> coins;
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
unsigned int transaction_reference;
// "type": "request renew"
auto json = crow::json::load(str);
if (!json) {
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
} else {
return tl::make_unexpected(eError::NOT_IMPLEMENTED);
} 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;
for (auto item: json["coins"]) {
auto coin = Coin::from_json(item);
if (!coin.has_value()) {
return tl::make_unexpected(coin.error());
} else {
r.coins.push_back(coin.value());
}
}
for (auto item: json["blinds"]) {
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;
}
}
@ -273,30 +414,53 @@ crow::json::wvalue ResponseDelay::to_json() const {
tl::expected<RequestResume,eError>
RequestResume::from_string(const std::string& str) {
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
unsigned int transaction_reference;
// "type": "request resume"
auto json = crow::json::load(str);
if (!json) {
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
} else {
return tl::make_unexpected(eError::NOT_IMPLEMENTED);
} 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();
r.transaction_reference = json["transaction_reference"].s();
return r;
}
}
tl::expected<RequestRedeem,eError>
RequestRedeem::from_string(const std::string& str) {
std::vector<Coin> coins;
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
unsigned int transaction_reference;
// "type": "request redeem"
auto json = crow::json::load(str);
// "type":
auto json = crow::json::load(str);
if (!json) {
return tl::make_unexpected(eError::JSON_PARSE_ERROR);
} else {
return tl::make_unexpected(eError::NOT_IMPLEMENTED);
} 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);
}
for (auto item: json["coins"]) {
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;
}
}

22
src/model.hpp
View File

@ -82,6 +82,9 @@ struct MintKeyCert {
enum class eError {
JSON_PARSE_ERROR,
JSON_MISSING_KEY,
JSON_WRONG_REQUEST_TYPE,
JSON_WRONG_VALUE_TYPE,
JSON_ERROR,
NOT_IMPLEMENTED
};
@ -135,10 +138,11 @@ struct ResponseMKCs: Response {
};
struct Blind {
std::string blinded_payload_hash;
std::string mint_key_id;
std::string blinded_payload_hash; //bigint
std::string mint_key_id; //bigint
std::string reference;
crow::json::wvalue to_json() const;
crow::json::wvalue to_json() const;
static tl::expected<Blind,eError> from_json(const crow::json::rvalue& json);
};
struct BlindSignature {
@ -148,9 +152,10 @@ struct BlindSignature {
};
struct RequestMint {
std::vector<Blind> blinds;
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
std::string transaction_reference;
std::vector<Blind> blinds;
// "type": "request mint"
static tl::expected<RequestMint,eError> from_string(const std::string& str);
};
@ -172,12 +177,14 @@ struct Coin {
std::string serial;
crow::json::wvalue to_json() const;
};
static tl::expected<Payload,eError> from_json(const crow::json::rvalue& json);
};
Payload payload;
std::string signature;
crow::json::wvalue to_json() const;
static tl::expected<Coin,eError> from_json(const crow::json::rvalue& json);
};
struct CoinStack {
@ -192,7 +199,7 @@ struct RequestRenew {
std::vector<Coin> coins;
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
unsigned int transaction_reference;
std::string transaction_reference;
// "type": "request renew"
static tl::expected<RequestRenew,eError> from_string(const std::string& str);
};
@ -204,7 +211,7 @@ struct ResponseDelay : Response {
struct RequestResume {
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
unsigned int transaction_reference;
std::string transaction_reference;
// "type": "request resume"
static tl::expected<RequestResume,eError> from_string(const std::string& str);
};
@ -213,7 +220,6 @@ struct RequestRedeem {
std::vector<Coin> coins;
unsigned int message_reference; /// Client internal message reference.
/// (Integer)
unsigned int transaction_reference;
// "type": "request redeem"
static tl::expected<RequestRedeem,eError> from_string(const std::string& str);
};

354
test/test.cpp
View File

@ -1,4 +1,5 @@
#include <catch2/catch_test_macros.hpp>
#include "crow/json.h"
#include "model.hpp"
TEST_CASE( "PublicKey::to_json", "[to_json]" ) {
@ -12,3 +13,356 @@ TEST_CASE( "PublicKey::to_json", "[to_json]" ) {
REQUIRE( json["type"].dump() == "\"rsa public key\"" );
REQUIRE( json.keys().size() == 3 );
}
TEST_CASE( "RequestCDDSerial::from_string", "[from_string]" ) {
// good case
std::string good =
"{"
"\"message_reference\": 100000,"
"\"type\": \"request cdd serial\""
"}";
auto res = RequestCDDSerial::from_string(good);
REQUIRE(res.has_value()==true);
REQUIRE(res->message_reference == 100000);
// bad cases
res = RequestCDDSerial::from_string("");
REQUIRE(res.has_value()==false);
// invalid type
res = RequestCDDSerial::from_string( "{"
"\"message_reference\": 100000,"
"\"type\": \"request something wrong\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute name
res = RequestCDDSerial::from_string("{"
"\"x_message_reference\": 100000,"
"}");
REQUIRE(res.has_value()==false);
}
TEST_CASE( "RequestCDDC::from_string", "[from_string]" ) {
// good case
auto res = RequestCDDC::from_string("{"
"\"cdd_serial\": 1,"
"\"message_reference\": 100001,"
"\"type\": \"request cddc\""
"}");
REQUIRE(res.has_value()==true);
REQUIRE(res->cdd_serial == 1);
REQUIRE(res->message_reference == 100001);
// bad cases
res = RequestCDDC::from_string("");
REQUIRE(res.has_value()==false);
// invalid type
res = RequestCDDC::from_string( "{"
"\"cdd_serial\": 1,"
"\"message_reference\": 100001,"
"\"type\": \"wrong type\","
"}");
REQUIRE(res.has_value()==false);
// invalid attribute name
res = RequestCDDC::from_string("{"
"\"cdd_serial\": 1,"
"\"x_ message_reference\": 100001,"
"\"type\": \"request cddc\","
"}");
REQUIRE(res.has_value()==false);
}
TEST_CASE( "RequestMKCs::from_string", "[from_string]" ) {
// good case
auto res = RequestMKCs::from_string( "{"
"\"denominations\": [1, 2, 5],"
"\"message_reference\": 100002,"
"\"mint_key_ids\": [],"
"\"type\": \"request mint key certificates\""
"}");
const std::vector<uint32_t> EXPECTED_DENOMINATIONS = {1,2,5};
const std::vector<uint32_t> EXPECTED_MINT_KEY_IDS = {};
REQUIRE(res.has_value()==true);
REQUIRE(res->denominations == EXPECTED_DENOMINATIONS);
REQUIRE(res->message_reference == 100002);
REQUIRE(res->mint_key_ids == EXPECTED_MINT_KEY_IDS);
// bad cases
res = RequestMKCs::from_string("");
REQUIRE(res.has_value()==false);
// invalid type
res = RequestMKCs::from_string( "{"
"\"denominations\": [1, 2, 5],"
"\"message_reference\": 100002,"
"\"mint_key_ids\": [],"
"\"type\": \"request wrong type\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute name
res = RequestMKCs::from_string("{"
"\"denominations\": [1, 2, 5],"
"\"x_message_reference\": 100002," // WRONG NAME
"\"mint_key_ids\": [],"
"\"type\": \"request wrong type\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute type (not an array as expected)
res = RequestMKCs::from_string("{"
"\"denominations\": 1,"
"\"message_reference\": 100002," // WRONG NAME
"\"mint_key_ids\": [],"
"\"type\": \"request wrong type\""
"}");
REQUIRE(res.has_value()==false);
}
TEST_CASE( "Blind::from_json", "[from_string]" ) {
auto good = crow::json::load("{"
"\"blinded_payload_hash\": \"924edb672c3345492f38341ff86b57181da4c673ef...\","
"\"mint_key_id\": \"1ceb977bb531c65f133ab8b0d60862b17369d96\","
"\"reference\": \"a0\","
"\"type\": \"blinded payload hash\""
"}");
auto res = Blind::from_json(good);
REQUIRE(res.has_value()==true);
REQUIRE(res->blinded_payload_hash==
"924edb672c3345492f38341ff86b57181da4c673ef...");
REQUIRE(res->mint_key_id=="1ceb977bb531c65f133ab8b0d60862b17369d96");
REQUIRE(res->reference=="a0");
// bad cases
// wrong_type["blinded_payload_hash"]= "924edb672c3345492f38341ff86b57181da4c673ef...";
// wrong_type["mint_key_id"]= "1ceb977bb531c65f133ab8b0d60862b17369d96";
// wrong_type["reference"] = "a0";
// wrong_type["type"]= "wrong type";
// res = Blind::from_json(wrong_type);
}
TEST_CASE( "RequestMint::from_string", "[from_string]" ) {
// good case
auto res = RequestMint::from_string( "{"
"\"blinds\": ["
"{"
"\"blinded_payload_hash\": \"924edb672c3345492f38341ff86b57181da4c673ef...\","
"\"mint_key_id\": \"1ceb977bb531c65f133ab8b0d60862b17369d96\","
"\"reference\": \"a0\","
"\"type\": \"blinded payload hash\""
"},"
"{"
"\"blinded_payload_hash\": \"95db92e1c46ebea5edec5e508a831263de6fb78b4c...\","
"\"mint_key_id\": \"f2864e5cd937dbaa4825e73a81062de162143682\","
"\"reference\": \"a1\","
"\"type\": \"blinded payload hash\""
"},"
"{"
"\"blinded_payload_hash\": \"10afac98ac43eb40e996c621d5db4d2238348e3f74...\","
"\"mint_key_id\": \"897a16bf12bd9ba474ef7be0e3a53553a7b4ece8\","
"\"reference\": \"a2\","
"\"type\": \"blinded payload hash\""
"}"
"],"
"\"message_reference\": 100003,"
"\"transaction_reference\": \"b2221a58008a05a6c4647159c324c985\","
"\"type\": \"request mint\""
"}");
REQUIRE(res.has_value()==true);
REQUIRE(res->message_reference==100003);
REQUIRE(res->transaction_reference == "b2221a58008a05a6c4647159c324c985");
/// \todo check blinds
// bad cases
res = RequestMint::from_string("");
REQUIRE(res.has_value()==false);
// invalid type
res = RequestMint::from_string( "{"
"\"blinds\": [],"
"\"message_reference\": 100003,"
"\"transaction_reference\": \"b2221a58008a05a6c4647159c324c985\","
"\"type\": \"request wrong type\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute name
res = RequestMint::from_string("{"
"\"blinds\": [],"
"\"x_message_reference\": 100003,"
"\"transaction_reference\": \"b2221a58008a05a6c4647159c324c985\","
"\"type\": \"request mint\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute type (not an array as expected)
res = RequestMint::from_string("{"
"\"blinds\": 1,"
"\"message_reference\": 100003,"
"\"transaction_reference\": \"b2221a58008a05a6c4647159c324c985\","
"\"type\": \"request mint\""
"}");
REQUIRE(res.has_value()==false);
}
TEST_CASE( "RequestRenew::from_string", "[from_string]" ) {
auto res = RequestRenew::from_string(
"{"
" \"blinds\": ["
" {"
" \"blinded_payload_hash\": \"7ed0cda1c1b36f544514b12848b8436974b7b9f6c7...\","
" \"mint_key_id\": \"f2864e5cd937dbaa4825e73a81062de162143682\","
" \"reference\": \"b0\","
" \"type\": \"blinded payload hash\""
" }"
" ],"
" \"coins\": ["
" {"
" \"payload\": {"
" \"cdd_location\": \"https://opencent.org\","
" \"denomination\": 1,"
" \"issuer_id\": \"23ed956e629ba35f0002eaf833ea436aea7db5c2\","
" \"mint_key_id\": \"1ceb977bb531c65f133ab8b0d60862b17369d96\","
" \"protocol_version\": \"https://opencoin.org/1.0\","
" \"serial\": \"cd613e30d8f16adf91b7584a2265b1f5\","
" \"type\": \"payload\""
" },"
" \"signature\": \"2ec0af339566b19fb9867b491ce58025dcefcab649...\","
" \"type\": \"coin\""
" }"
" ],"
" \"message_reference\": 100004,"
" \"transaction_reference\": \"ad45f23d3b1a11df587fd2803bab6c39\","
" \"type\": \"request renew\""
"}");
REQUIRE(res.has_value()==true);
// invalid attribute name
res = RequestRenew::from_string("{"
"\"blinds\": [],"
"\"coins\": [],"
"\"x_message_reference\": 100003,"
"\"transaction_reference\": \"b2221a58008a05a6c4647159c324c985\","
"\"type\": \"request mint\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute type (not an array as expected)
res = RequestRenew::from_string("{"
"\"blinds\": 1,"
"\"coins\": [],"
"\"message_reference\": 100003,"
"\"transaction_reference\": \"b2221a58008a05a6c4647159c324c985\","
"\"type\": \"request mint\""
"}");
REQUIRE(res.has_value()==false);
}
TEST_CASE( "RequestResume::from_string", "[from_string]" ) {
// good case
auto res = RequestResume::from_string( "{"
"\"message_reference\": 100005,"
"\"transaction_reference\": \"ad45f23d3b1a11df587fd2803bab6c39\","
"\"type\": \"request resume\""
"}");
REQUIRE(res.has_value()==true);
REQUIRE(res->message_reference==100005);
REQUIRE(res->transaction_reference=="ad45f23d3b1a11df587fd2803bab6c39");
// bad cases
res = RequestResume::from_string("");
REQUIRE(res.has_value()==false);
// invalid type
res = RequestResume::from_string( "{"
"\"message_reference\": 100005,"
"\"transaction_reference\": \"ad45f23d3b1a11df587fd2803bab6c39\","
"\"type\": \"Wrong type\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute name
res = RequestResume::from_string("{"
"\"message_reference\": 100005,"
"\"WRONG_ATTR_transaction_reference\": \"ad45f23d3b1a11df587fd2803bab6c39\","
"\"type\": \"request resume\""
"}");
REQUIRE(res.has_value()==false);
}
TEST_CASE( "RequestRedeem::from_string", "[from_string]" ) {
auto res = RequestRedeem::from_string( "{"
"\"coins\": ["
"{"
"\"payload\": {"
"\"cdd_location\": \"https://opencent.org\","
"\"denomination\": 2,"
"\"issuer_id\": \"23ed956e629ba35f0002eaf833ea436aea7db5c2\","
"\"mint_key_id\": \"f2864e5cd937dbaa4825e73a81062de162143682\","
"\"protocol_version\": \"https://opencoin.org/1.0\","
"\"serial\": \"cd447e35b8b6d8fe442e3d437204e52d\","
"\"type\": \"payload\""
"},"
"\"signature\": \"11b6bfa18134c300f4440df1db17a08fa71a071b71...\","
"\"type\": \"coin\""
"},"
"{"
"\"payload\": {"
"\"cdd_location\": \"https://opencent.org\","
"\"denomination\": 2,"
"\"issuer_id\": \"23ed956e629ba35f0002eaf833ea436aea7db5c2\","
"\"mint_key_id\": \"f2864e5cd937dbaa4825e73a81062de162143682\","
"\"protocol_version\": \"https://opencoin.org/1.0\","
"\"serial\": \"5b6e6e307d4bedc51431193e6c3f339\","
"\"type\": \"payload\""
"},"
"\"signature\": \"a6dd7b7f1f12c4e411289e8ea0355f24a8597bbc38...\","
"\"type\": \"coin\""
"}"
"],"
"\"message_reference\": 100006,"
"\"type\": \"request redeem\""
"}");
REQUIRE(res.has_value()==true);
REQUIRE(res->message_reference==100006);
// bad cases
res = RequestRedeem::from_string("");
REQUIRE(res.has_value()==false);
// invalid type
res = RequestRedeem::from_string( "{"
"\"coins\": [],"
"\"message_reference\": 100006,"
"\"type\": \"WRONG TYPE\""
"}");
REQUIRE(res.has_value()==false);
// invalid attribute name
res = RequestRedeem::from_string("{"
"\"INVALID_coins\": [],"
"\"message_reference\": 100006,"
"\"type\": \"request redeem\""
"}");
REQUIRE(res.has_value()==false);
// invalid coin type
res = RequestRedeem::from_string("{"
"\"coins\": 1,"
"\"message_reference\": 100006,"
"\"type\": \"request redeem\""
"}");
REQUIRE(res.has_value()==false);
}