peerplays_migrated/programs/light_client/Transaction.cpp
2016-01-07 11:44:52 -05:00

82 lines
2.9 KiB
C++

/*
* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
*
* The MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "Transaction.hpp"
#include "Operations.hpp"
#include <fc/reflect/typename.hpp>
struct OperationConverter {
using result_type = OperationBase*;
OperationBase* operator()(const graphene::chain::transfer_operation& op) const {
auto ret = new TransferOperation(op);
QObject::connect(ret, &QObject::destroyed, []{qDebug("Cleaned up operation");});
return ret;
}
template<typename Op>
OperationBase* operator()(const Op&) const {
elog("NYI: OperationConverter for ${type}", ("type", fc::get_typename<Op>::name()));
abort();
}
};
QString Transaction::statusString() const
{
return QMetaEnum::fromType<Status>().valueToKey(status());
}
QQmlListProperty<OperationBase> Transaction::operations()
{
auto append = [](QQmlListProperty<OperationBase>* list, OperationBase* op) {
static_cast<Transaction*>(list->data)->appendOperation(op);
};
auto count = [](QQmlListProperty<OperationBase>* list) {
return static_cast<Transaction*>(list->data)->operationCount();
};
auto at = [](QQmlListProperty<OperationBase>* list, int index) {
return static_cast<Transaction*>(list->data)->operationAt(index);
};
auto clear = [](QQmlListProperty<OperationBase>* list) {
static_cast<Transaction*>(list->data)->clearOperations();
};
return QQmlListProperty<OperationBase>(this, this, append, count, at, clear);
}
OperationBase* Transaction::operationAt(int index) const {
return m_transaction.operations[index].visit(OperationConverter());
}
void Transaction::appendOperation(OperationBase* op)
{
if (op == nullptr)
{
qWarning("Unable to append null operation to transaction");
return;
}
op->setParent(this);
m_transaction.operations.push_back(op->genericOperation());
Q_EMIT operationsChanged();
}