|
|
|
#include "turnstile.h"
|
|
|
|
#include "mainwindow.h"
|
|
|
|
#include "balancestablemodel.h"
|
|
|
|
#include "rpc.h"
|
|
|
|
#include "settings.h"
|
|
|
|
|
|
|
|
using json = nlohmann::json;
|
|
|
|
|
|
|
|
Turnstile::Turnstile(RPC* _rpc, MainWindow* mainwindow) {
|
|
|
|
this->rpc = _rpc;
|
|
|
|
this->mainwindow = mainwindow;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void printPlan(QList<TurnstileMigrationItem> plan) {
|
|
|
|
for (auto item : plan) {
|
|
|
|
//qDebug() << item.fromAddr << item.intTAddr
|
|
|
|
// << item.destAddr << item.amount << item.blockNumber << item.status;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
QString Turnstile::writeableFile() {
|
|
|
|
auto filename = QStringLiteral("turnstilemigrationplan.dat");
|
|
|
|
|
|
|
|
auto dir = QDir(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation));
|
|
|
|
if (!dir.exists())
|
|
|
|
QDir().mkpath(dir.absolutePath());
|
|
|
|
|
|
|
|
if (Settings::getInstance()->isTestnet()) {
|
|
|
|
return dir.filePath("testnet-" % filename);
|
|
|
|
} else {
|
|
|
|
return dir.filePath(filename);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void Turnstile::removeFile() {
|
|
|
|
QFile(writeableFile()).remove();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Data stream write/read methods for migration items
|
|
|
|
QDataStream &operator<<(QDataStream& ds, const TurnstileMigrationItem& item) {
|
|
|
|
return ds << QString("v1") << item.fromAddr << item.intTAddr
|
|
|
|
<< item.destAddr << item.amount << item.blockNumber << item.status;
|
|
|
|
}
|
|
|
|
|
|
|
|
QDataStream &operator>>(QDataStream& ds, TurnstileMigrationItem& item) {
|
|
|
|
QString version;
|
|
|
|
return ds >> version >> item.fromAddr >> item.intTAddr
|
|
|
|
>> item.destAddr >> item.amount >> item.blockNumber >> item.status;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Turnstile::writeMigrationPlan(QList<TurnstileMigrationItem> plan) {
|
|
|
|
//qDebug() << QString("Writing plan");
|
|
|
|
printPlan(plan);
|
|
|
|
|
|
|
|
QFile file(writeableFile());
|
|
|
|
file.open(QIODevice::ReadWrite | QIODevice::Truncate);
|
|
|
|
QDataStream out(&file); // we will serialize the data into the file
|
|
|
|
out << plan;
|
|
|
|
file.close();
|
|
|
|
}
|
|
|
|
|
|
|
|
QList<TurnstileMigrationItem> Turnstile::readMigrationPlan() {
|
|
|
|
QFile file(writeableFile());
|
|
|
|
|
|
|
|
QList<TurnstileMigrationItem> plan;
|
|
|
|
if (!file.exists()) return plan;
|
|
|
|
|
|
|
|
file.open(QIODevice::ReadOnly);
|
|
|
|
QDataStream in(&file); // read the data serialized from the file
|
|
|
|
in >> plan;
|
|
|
|
|
|
|
|
file.close();
|
|
|
|
|
|
|
|
// Sort to see when the next step is.
|
|
|
|
std::sort(plan.begin(), plan.end(), [&] (auto a, auto b) {
|
|
|
|
return a.blockNumber < b.blockNumber;
|
|
|
|
});
|
|
|
|
|
|
|
|
return plan;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Turnstile::planMigration(QString zaddr, QString destAddr, int numsplits, int numBlocks) {
|
|
|
|
// First, get the balance and split up the amounts
|
|
|
|
auto bal = rpc->getAllBalances()->value(zaddr);
|
|
|
|
auto splits = splitAmount(bal, numsplits);
|
|
|
|
|
|
|
|
// Then, generate an intermediate t-address for each part using getBatchRPC
|
|
|
|
rpc->getConnection()->doBatchRPC<double>(splits,
|
|
|
|
[=] (double /*unused*/) {
|
|
|
|
json payload = {
|
|
|
|
{"jsonrpc", "1.0"},
|
|
|
|
{"id", "someid"},
|
|
|
|
{"method", "getnewaddress"},
|
|
|
|
};
|
|
|
|
return payload;
|
|
|
|
},
|
|
|
|
[=] (QMap<double, json>* newAddrs) {
|
|
|
|
// Get block numbers
|
|
|
|
auto curBlock = Settings::getInstance()->getBlockNumber();
|
|
|
|
auto blockNumbers = getBlockNumbers(curBlock, curBlock + numBlocks, splits.size());
|
|
|
|
|
|
|
|
// Assign the amounts to the addresses.
|
|
|
|
QList<TurnstileMigrationItem> migItems;
|
|
|
|
|
|
|
|
for (int i=0; i < splits.size(); i++) {
|
|
|
|
auto tAddr = newAddrs->values()[i].get<json::string_t>();
|
|
|
|
auto item = TurnstileMigrationItem { zaddr, QString::fromStdString(tAddr), destAddr,
|
|
|
|
blockNumbers[i], splits[i],
|
|
|
|
TurnstileMigrationItemStatus::NotStarted };
|
|
|
|
migItems.push_back(item);
|
|
|
|
}
|
|
|
|
|
|
|
|
// The first migration is shifted to the current block, so the user sees something
|
|
|
|
// happening immediately
|
|
|
|
if (migItems.empty()) {
|
|
|
|
// Show error and abort
|
|
|
|
QMessageBox::warning(mainwindow,
|
|
|
|
QObject::tr("Locked funds"),
|
|
|
|
QObject::tr("Could not initiate migration.\nYou either have unconfirmed funds or the balance is too low for an automatic migration."));
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
migItems[0].blockNumber = curBlock;
|
|
|
|
|
|
|
|
std::sort(migItems.begin(), migItems.end(), [&] (auto a, auto b) {
|
|
|
|
return a.blockNumber < b.blockNumber;
|
|
|
|
});
|
|
|
|
|
|
|
|
writeMigrationPlan(migItems);
|
|
|
|
rpc->refresh(true); // Force refresh, to start the migration immediately
|
|
|
|
}
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
QList<int> Turnstile::getBlockNumbers(int start, int end, int count) {
|
|
|
|
QList<int> blocks;
|
|
|
|
// Generate 'count' numbers between [start, end]
|
|
|
|
for (int i=0; i < count; i++) {
|
|
|
|
auto blk = (std::rand() % (end - start)) + start;
|
|
|
|
blocks.push_back(blk);
|
|
|
|
}
|
|
|
|
|
|
|
|
return blocks;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Need at least 0.0005 ZEC for this
|
|
|
|
double Turnstile::minMigrationAmount = 0.0005;
|
|
|
|
|
|
|
|
QList<double> Turnstile::splitAmount(double amount, int parts) {
|
|
|
|
QList<double> amounts;
|
|
|
|
|
|
|
|
if (amount < minMigrationAmount)
|
|
|
|
return amounts;
|
|
|
|
|
|
|
|
fillAmounts(amounts, amount, parts);
|
|
|
|
//qDebug() << amounts;
|
|
|
|
|
|
|
|
// Ensure they all add up!
|
|
|
|
double sumofparts = 0;
|
|
|
|
for (auto a : amounts) {
|
|
|
|
sumofparts += a;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Add the Tx fees
|
|
|
|
sumofparts += amounts.size() * Settings::getMinerFee();
|
|
|
|
|
|
|
|
return amounts;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Turnstile::fillAmounts(QList<double>& amounts, double amount, int count) {
|
|
|
|
if (count == 1 || amount < 0.01) {
|
|
|
|
// Also account for the fees needed to send all these transactions
|
|
|
|
auto actual = amount - (Settings::getMinerFee() * (amounts.size() + 1));
|
|
|
|
|
|
|
|
amounts.push_back(actual);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Get a random amount off the total amount and call recursively.
|
|
|
|
// Multiply by hundred, because we'll operate on 0.01 ZEC minimum. We'll divide by 100 later on
|
|
|
|
// in this function.
|
|
|
|
double curAmount = std::rand() % (int)std::floor(amount * 100);
|
|
|
|
|
|
|
|
// Try to round it off
|
|
|
|
auto places = (int)std::floor(std::log10(curAmount));
|
|
|
|
if (places > 0) {
|
|
|
|
auto a = std::pow(10, places);
|
|
|
|
curAmount = std::floor(curAmount / a) * a;
|
|
|
|
}
|
|
|
|
|
|
|
|
// And divide by 100
|
|
|
|
curAmount = curAmount / 100;
|
|
|
|
|
|
|
|
if (curAmount > 0)
|
|
|
|
amounts.push_back(curAmount);
|
|
|
|
|
|
|
|
fillAmounts(amounts, amount - curAmount, count - 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
QList<TurnstileMigrationItem>::Iterator
|
|
|
|
Turnstile::getNextStep(QList<TurnstileMigrationItem>& plan) {
|
|
|
|
// Get to the next unexecuted step
|
|
|
|
auto fnIsEligibleItem = [&] (auto item) {
|
|
|
|
return item.status == TurnstileMigrationItemStatus::NotStarted ||
|
|
|
|
item.status == TurnstileMigrationItemStatus::SentToT;
|
|
|
|
};
|
|
|
|
|
|
|
|
// Find the next step
|
|
|
|
auto nextStep = std::find_if(plan.begin(), plan.end(), fnIsEligibleItem);
|
|
|
|
return nextStep;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool Turnstile::isMigrationPresent() {
|
|
|
|
auto plan = readMigrationPlan();
|
|
|
|
return !plan.isEmpty();
|
|
|
|
}
|
|
|
|
|
|
|
|
ProgressReport Turnstile::getPlanProgress() {
|
|
|
|
auto plan = readMigrationPlan();
|
|
|
|
|
|
|
|
auto nextStep = getNextStep(plan);
|
|
|
|
|
|
|
|
auto step = std::distance(plan.begin(), nextStep) * 2; // 2 steps per item
|
|
|
|
if (nextStep != plan.end() &&
|
|
|
|
nextStep->status == TurnstileMigrationItemStatus::SentToT)
|
|
|
|
step++;
|
|
|
|
|
|
|
|
auto total = plan.size();
|
|
|
|
|
|
|
|
auto nextBlock = nextStep == plan.end() ? 0 : nextStep->blockNumber;
|
|
|
|
|
|
|
|
bool hasErrors = std::find_if(plan.begin(), plan.end(), [=] (auto i) {
|
|
|
|
return i.status == TurnstileMigrationItemStatus::NotEnoughBalance ||
|
|
|
|
i.status == TurnstileMigrationItemStatus::UnknownError;
|
|
|
|
}) != plan.end();
|
|
|
|
|
|
|
|
auto stepData = (nextStep == plan.end() ? std::prev(nextStep) : nextStep);
|
|
|
|
|
|
|
|
return ProgressReport{(int)step, total*2, nextBlock, hasErrors, stepData->fromAddr, stepData->destAddr, stepData->intTAddr};
|
|
|
|
}
|
|
|
|
|
|
|
|
void Turnstile::executeMigrationStep() {
|
|
|
|
// Do a step only if not syncing, else wait for the blockchain to catch up
|
|
|
|
if (Settings::getInstance()->isSyncing())
|
|
|
|
return;
|
|
|
|
|
|
|
|
auto plan = readMigrationPlan();
|
|
|
|
|
|
|
|
//qDebug() << QString("Executing step");
|
|
|
|
printPlan(plan);
|
|
|
|
|
|
|
|
// Get to the next unexecuted step
|
|
|
|
auto fnIsEligibleItem = [&] (auto item) {
|
|
|
|
return item.status == TurnstileMigrationItemStatus::NotStarted ||
|
|
|
|
item.status == TurnstileMigrationItemStatus::SentToT;
|
|
|
|
};
|
|
|
|
|
|
|
|
// Fn to find if there are any unconfirmed funds for this address.
|
|
|
|
auto fnHasUnconfirmed = [=] (QString addr) {
|
|
|
|
auto utxoset = rpc->getUTXOs();
|
|
|
|
return std::find_if(utxoset->begin(), utxoset->end(), [=] (auto utxo) {
|
|
|
|
return utxo.address == addr && utxo.confirmations == 0 && utxo.spendable;
|
|
|
|
}) != utxoset->end();
|
|
|
|
};
|
|
|
|
|
|
|
|
// Find the next step
|
|
|
|
auto nextStep = std::find_if(plan.begin(), plan.end(), fnIsEligibleItem);
|
|
|
|
|
|
|
|
if (nextStep == plan.end())
|
|
|
|
return; // Nothing to do
|
|
|
|
|
|
|
|
if (nextStep->blockNumber > Settings::getInstance()->getBlockNumber())
|
|
|
|
return;
|
|
|
|
|
|
|
|
// Is this the last step for this address?
|
|
|
|
auto lastStep = std::find_if(std::next(nextStep), plan.end(), fnIsEligibleItem) == plan.end();
|
|
|
|
|
|
|
|
// Execute this step
|
|
|
|
if (nextStep->status == TurnstileMigrationItemStatus::NotStarted) {
|
|
|
|
// Does this z addr have enough balance?
|
|
|
|
if (fnHasUnconfirmed(nextStep->fromAddr)) {
|
|
|
|
//qDebug() << QString("unconfirmed, waiting");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
auto balance = rpc->getAllBalances()->value(nextStep->fromAddr);
|
|
|
|
if (nextStep->amount > balance) {
|
|
|
|
qDebug() << "Not enough balance!";
|
|
|
|
nextStep->status = TurnstileMigrationItemStatus::NotEnoughBalance;
|
|
|
|
writeMigrationPlan(plan);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
auto to = ToFields{ nextStep->intTAddr, nextStep->amount, "", "" };
|
|
|
|
|
|
|
|
// If this is the last step, then send the remaining amount instead of the actual amount.
|
|
|
|
if (lastStep) {
|
|
|
|
auto remainingAmount = balance - Settings::getMinerFee();
|
|
|
|
if (remainingAmount > 0) {
|
|
|
|
to.amount = remainingAmount;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Create the Tx
|
|
|
|
auto tx = Tx{ nextStep->fromAddr, { to }, Settings::getMinerFee() };
|
|
|
|
|
|
|
|
// And send it
|
|
|
|
doSendTx(tx, [=] () {
|
|
|
|
// Update status and write plan to disk
|
|
|
|
nextStep->status = TurnstileMigrationItemStatus::SentToT;
|
|
|
|
writeMigrationPlan(plan);
|
|
|
|
});
|
|
|
|
} else if (nextStep->status == TurnstileMigrationItemStatus::SentToT) {
|
|
|
|
// First thing to do is check to see if the funds are confirmed.
|
|
|
|
// We'll check both the original sprout address and the intermediate t-addr for safety.
|
|
|
|
if (fnHasUnconfirmed(nextStep->intTAddr) || fnHasUnconfirmed(nextStep->fromAddr)) {
|
|
|
|
//qDebug() << QString("unconfirmed, waiting");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!rpc->getAllBalances()->keys().contains(nextStep->intTAddr)) {
|
|
|
|
qDebug() << QString("The intermediate t-address doesn't have balance, even though it is confirmed");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Send it to the final destination address.
|
|
|
|
auto bal = rpc->getAllBalances()->value(nextStep->intTAddr);
|
|
|
|
auto sendAmt = bal - Settings::getMinerFee();
|
|
|
|
|
|
|
|
if (sendAmt < 0) {
|
|
|
|
qDebug() << "Not enough balance!." << bal << ":" << sendAmt;
|
|
|
|
nextStep->status = TurnstileMigrationItemStatus::NotEnoughBalance;
|
|
|
|
writeMigrationPlan(plan);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
QList<ToFields> to = { ToFields{ nextStep->destAddr, sendAmt, "", "" } };
|
|
|
|
|
|
|
|
// Create the Tx
|
|
|
|
auto tx = Tx{ nextStep->intTAddr, to, Settings::getMinerFee()};
|
|
|
|
|
|
|
|
// And send it
|
|
|
|
doSendTx(tx, [=] () {
|
|
|
|
// Update status and write plan to disk
|
|
|
|
nextStep->status = TurnstileMigrationItemStatus::SentToZS;
|
|
|
|
writeMigrationPlan(plan);
|
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void Turnstile::doSendTx(Tx tx, std::function<void(void)> /*cb*/) {
|
|
|
|
rpc->executeTransaction(tx, [=] (QString opid) {
|
|
|
|
mainwindow->ui->statusBar->showMessage(QObject::tr("Computing Tx: ") % opid);
|
|
|
|
},
|
|
|
|
[=] (QString /*opid*/, QString txid) {
|
|
|
|
mainwindow->ui->statusBar->showMessage(Settings::txidStatusMessage + " " + txid);
|
|
|
|
},
|
|
|
|
[=] (QString opid, QString errStr) {
|
|
|
|
mainwindow->ui->statusBar->showMessage(QObject::tr(" Tx ") % opid % QObject::tr(" failed"), 15 * 1000);
|
|
|
|
|
|
|
|
if (!opid.isEmpty())
|
|
|
|
errStr = QObject::tr("The transaction with id ") % opid % QObject::tr(" failed. The error was") + ":\n\n" + errStr;
|
|
|
|
|
|
|
|
QMessageBox::critical(mainwindow, QObject::tr("Transaction Error"), errStr, QMessageBox::Ok);
|
|
|
|
});
|
|
|
|
|
|
|
|
}
|