gradido/login_server/src/cpp/model/TransactionCreation.cpp

73 lines
2.3 KiB
C++

#include "TransactionCreation.h"
#include "Poco/DateTimeFormatter.h"
#include <sodium.h>
TransactionCreation::TransactionCreation(const std::string& memo, const model::messages::gradido::TransactionCreation& protoCreation)
: TransactionBase(memo), mProtoCreation(protoCreation), mReceiverUser(nullptr)
{
memset(mReceiverPublicHex, 0, 65);
}
TransactionCreation::~TransactionCreation()
{
if (mReceiverUser) {
delete mReceiverUser;
mReceiverUser = nullptr;
}
}
int TransactionCreation::prepare()
{
const static char functionName[] = { "TransactionCreation::prepare" };
if (!mProtoCreation.has_receiveramount()) {
addError(new Error(functionName, "hasn't receiver amount"));
return -1;
}
auto receiverAmount = mProtoCreation.receiveramount();
if (receiverAmount.amount() <= 0) {
addError(new Error(functionName, "amount must be > 0"));
return -4;
}
if (receiverAmount.amount() > 10000000) {
addError(new Error(functionName, "amount must be <= 1000 GDD"));
return -5;
}
auto receiverPublic = receiverAmount.ed25519_receiver_pubkey();
if (receiverPublic.size() != 32) {
addError(new Error(functionName, "receiver public invalid (size not 32)"));
return -2;
}
mReceiverUser = new User((const unsigned char*)receiverPublic.data());
getErrors(mReceiverUser);
if (mReceiverUser->getUserState() == USER_EMPTY) {
sodium_bin2hex(mReceiverPublicHex, 65, (const unsigned char*)receiverPublic.data(), receiverPublic.size());
delete mReceiverUser;
mReceiverUser = nullptr;
}
else {
memcpy(mReceiverPublicHex, mReceiverUser->getPublicKeyHex().data(), 64);
// uncomment because not correctly working
/*if (!mReceiverUser->validateIdentHash(mProtoCreation.ident_hash())) {
addError(new Error(functionName, "ident hash isn't the same"));
addError(new ParamError(functionName, "hash calculated from email: ", mReceiverUser->getEmail()));
addError(new ParamError(functionName, "hash: ", std::to_string(mProtoCreation.ident_hash())));
return -3;
}*/
}
//
return 0;
}
std::string TransactionCreation::getTargetDateString()
{
// proto format is seconds, poco timestamp format is microseconds
Poco::Timestamp pocoStamp(mProtoCreation.target_date().seconds() * 1000*1000);
//Poco::DateTime(pocoStamp);
return Poco::DateTimeFormatter::format(pocoStamp, "%d. %b %y");
}