overte/interface/src/commerce/Ledger.cpp

81 lines
3.3 KiB
C++

//
// Ledger.cpp
// interface/src/commerce
//
// Created by Howard Stearns on 8/4/17.
// Copyright 2017 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include <QJsonObject>
#include <QJsonDocument>
#include "AccountManager.h"
#include "Wallet.h"
#include "Ledger.h"
#include "CommerceLogging.h"
void Ledger::buy(const QString& hfc_key, int cost, const QString& asset_id, const QString& inventory_key, const QString& buyerUsername) {
QJsonObject transaction;
transaction["hfc_key"] = hfc_key;
transaction["hfc"] = cost;
transaction["asset_id"] = asset_id;
transaction["inventory_key"] = inventory_key;
transaction["inventory_buyer_username"] = buyerUsername;
QJsonDocument transactionDoc{ transaction };
auto transactionString = transactionDoc.toJson(QJsonDocument::Compact);
auto wallet = DependencyManager::get<Wallet>();
QString signature = wallet->signWithKey(transactionString, hfc_key);
QJsonObject request;
request["transaction"] = QString(transactionString);
request["signature"] = signature;
qCInfo(commerce) << "Transaction:" << QJsonDocument(request).toJson(QJsonDocument::Compact);
// FIXME: talk to server instead
if (_inventory.contains(asset_id)) {
// This is here more for testing than as a definition of semantics.
// When we have popcerts, you will certainly be able to buy a new instance of an item that you already own a different instance of.
// I'm not sure what the server should do for now in this project's MVP.
return emit buyResult("Already owned.");
}
if (initializedBalance() < cost) {
return emit buyResult("Insufficient funds.");
}
_balance -= cost;
QJsonObject inventoryAdditionObject;
inventoryAdditionObject["id"] = asset_id;
inventoryAdditionObject["title"] = "Test Title";
inventoryAdditionObject["preview"] = "https://www.aspca.org/sites/default/files/cat-care_cat-nutrition-tips_overweight_body4_left.jpg";
_inventory.push_back(inventoryAdditionObject);
emit buyResult("");
}
bool Ledger::receiveAt(const QString& hfc_key) {
auto accountManager = DependencyManager::get<AccountManager>();
if (!accountManager->isLoggedIn()) {
qCWarning(commerce) << "Cannot set receiveAt when not logged in.";
emit receiveAtResult("Not logged in");
return false; // We know right away that we will fail, so tell the caller.
}
auto username = accountManager->getAccountInfo().getUsername();
qCInfo(commerce) << "Setting default receiving key for" << username;
emit receiveAtResult(""); // FIXME: talk to server instead.
return true; // Note that there may still be an asynchronous signal of failure that callers might be interested in.
}
void Ledger::balance(const QStringList& keys) {
// FIXME: talk to server instead
qCInfo(commerce) << "Balance:" << initializedBalance();
emit balanceResult(_balance, "");
}
void Ledger::inventory(const QStringList& keys) {
// FIXME: talk to server instead
QJsonObject inventoryObject;
inventoryObject.insert("success", true);
inventoryObject.insert("assets", _inventory);
qCInfo(commerce) << "Inventory:" << inventoryObject;
emit inventoryResult(inventoryObject, "");
}