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coldreward_tests.cpp
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// Copyright (c) 2011-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <arith_uint256.h>
#include <streams.h>
#include <test/util/setup_common.h>
#include <uint256.h>
#include <version.h>
#include <boost/test/unit_test.hpp>
#include <iomanip>
#include <sstream>
#include <string>
#include <random>
#include <boost/optional/optional_io.hpp>
#include "coldreward/coldrewardtracker.h"
struct ColdRewardsSetup : public BasicTestingSetup {
explicit ColdRewardsSetup()
{
std::function<CAmount(const AddressType&)> balanceGetter = [this](const AddressType& addr) {
auto it = balances.find(addr);
return it == balances.cend() ? 0 : it->second;
};
std::function<void(const AddressType&, const CAmount&)> balanceSetter = [this](const AddressType& addr, const CAmount& amount) {
balances[addr] = amount;
};
std::function<std::vector<BlockHeightRange>(const AddressType&)> rangesGetter = [this](const AddressType& addr) {
auto it = ranges.find(addr);
return it == ranges.cend() ? std::vector<BlockHeightRange>() : it->second;
};
std::function<void(const AddressType&, const std::vector<BlockHeightRange>&)> rangesSetter = [this](const AddressType& Addr, const std::vector<BlockHeightRange>& Ranges) {
ranges[Addr] = Ranges;
};
std::function<int()> checkpointGetter = [this]() {
return checkpoint;
};
std::function<void(int)> checkpointSetter = [this](int new_checkpoint) {
if (new_checkpoint > checkpoint)
checkpoint = new_checkpoint;
};
std::function<void()> transactionStarter = []() {};
std::function<void()> transactionEnder = []() {};
std::function<std::map<AddressType, std::vector<BlockHeightRange>>()> allRangesGetter = [this]() {
return ranges;
};
tracker.setPersistedRangesGetter(rangesGetter);
tracker.setPersistedRangesSetter(rangesSetter);
tracker.setPersistedBalanceGetter(balanceGetter);
tracker.setPersistedBalanceSetter(balanceSetter);
tracker.setPersistedCheckpointGetter(checkpointGetter);
tracker.setPersistedCheckpointSetter(checkpointSetter);
tracker.setPersistedTransactionStarter(transactionStarter);
tracker.setPersisterTransactionEnder(transactionEnder);
tracker.setAllRangesGetter(allRangesGetter);
tracker.setGvrThreshold(20000 * COIN);
tracker.setMinRewardRangeSpan(30 * 24 * 30);
}
ColdRewardTracker tracker;
using AddressType = ColdRewardTracker::AddressType;
// we use these to simulate database storage
std::map<AddressType, CAmount> balances;
std::map<AddressType, std::vector<BlockHeightRange>> ranges;
std::map<int, uint256> checkpoints;
int checkpoint = 0;
struct TrackerState {
std::map<AddressType, CAmount> balances;
std::map<AddressType, std::vector<BlockHeightRange>> ranges;
std::map<int, uint256> checkpoints;
int checkpoint = 0;
};
TrackerState saveTrackerState() {
TrackerState result;
result.balances = balances;
result.ranges = ranges;
result.checkpoints = checkpoints;
result.checkpoint = checkpoint;
return result;
}
void restoreTrackerState(const TrackerState& state) {
balances = state.balances;
ranges = state.ranges;
checkpoints = state.checkpoints;
checkpoint = state.checkpoint;
}
};
namespace {
ColdRewardTracker::AddressType VecUint8FromString(const std::string& str)
{
return ColdRewardTracker::AddressType(str.cbegin(), str.cend());
}
std::string StringFromVecUint8(const ColdRewardTracker::AddressType& vec)
{
return std::string(vec.cbegin(), vec.cend());
}
} // namespace
BOOST_FIXTURE_TEST_SUITE(coldreward_tests, ColdRewardsSetup)
BOOST_AUTO_TEST_CASE(removeAddressTransaction) {
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(27505, addr, 20001 * COIN, checkpoints);
tracker.addAddressTransaction(27506, addr, 40001 * COIN, checkpoints);
tracker.addAddressTransaction(27507, addr, 40001 * COIN, checkpoints);
tracker.addAddressTransaction(27508, addr, 40001 * COIN, checkpoints);
tracker.addAddressTransaction(27509, addr, 40001 * COIN, checkpoints);
tracker.addAddressTransaction(27510, addr, 40001 * COIN, checkpoints);
tracker.endPersistedTransaction();
tracker.removeAddressTransaction(27510, addr, 40001 * COIN);
// tracker.removeAddressTransaction(27509, addr, 40001 * COIN);
tracker.removeAddressTransaction(27508, addr, 40001 * COIN);
tracker.removeAddressTransaction(27507, addr, 20001 * COIN);
}
BOOST_AUTO_TEST_CASE(basic)
{
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
// 10 coins added at block 50
tracker.startPersistedTransaction();
tracker.addAddressTransaction(50, addr, 10 * COIN, checkpoints);
tracker.endPersistedTransaction();
// balance changes with no range changes, because nothing exceeded 20k
BOOST_CHECK_EQUAL(balances.at(addr), 10 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 0);
// add 20k coins at block 51
tracker.startPersistedTransaction();
tracker.addAddressTransaction(51, addr, 20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
// now we have one new range entry + balance update
BOOST_CHECK_EQUAL(balances.at(addr), 20010 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 51);
// subtract 5 coins at block 52
tracker.startPersistedTransaction();
tracker.addAddressTransaction(52, addr, -5 * COIN, checkpoints);
tracker.endPersistedTransaction();
// now that range entry got extended because we're still over 20k
BOOST_CHECK_EQUAL(balances.at(addr), 20005 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 52);
// subtract 5 coins at block 100
tracker.startPersistedTransaction();
tracker.addAddressTransaction(100, addr, -5 * COIN, checkpoints);
tracker.endPersistedTransaction();
// we're still equal or over 20k, so the range is extended
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 100);
// subtract 5 coins at block 110
tracker.startPersistedTransaction();
tracker.addAddressTransaction(110, addr, -5 * COIN, checkpoints);
tracker.endPersistedTransaction();
// now we're below 20k, we get a new range at the end [110,110] to show the break up
BOOST_CHECK_EQUAL(balances.at(addr), 19995 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 100);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 110);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 110);
// at block 21600 and 2*21600 (after 1 and 2 months), no one is eligible for a reward
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 0);
// revert block 110, now we're back 20k+
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(110, addr, -5 * COIN);
tracker.endPersistedTransaction();
// we're eligible for a reward only the second month because our balance started being 20k+ only after block 50
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 1);
// we're back to the previous state
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 100);
// subtract 5 coins at block 101
tracker.startPersistedTransaction();
tracker.addAddressTransaction(101, addr, -5 * COIN, checkpoints);
tracker.endPersistedTransaction();
// now we're below 20k again
BOOST_CHECK_EQUAL(balances.at(addr), 19995 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 100);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 101);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 101);
// at block 21600 and 2*21600 (after 1 and 2 months), no one is eligible for a reward
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 0);
// now revert that last block
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(101, addr, -5 * COIN);
tracker.endPersistedTransaction();
// we're eligible for a reward only the second month
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 1);
// we're back to the previous state
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 100);
// again, we're eligible for a reward only the second month
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 1);
// now we revert one more hypothetical block (this is unrealistic, just for tests)
// to see that we go back to 99 from 100
// (even though it wasn't added, but it's still logically valid,
// since the user owned a 20k+ balance from block 50 to 99)
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(100, addr, 0 * COIN);
tracker.endPersistedTransaction();
// we're eligible for a reward only the second month
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 1);
// we're back to the previous state
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 99);
// again, we're eligible for a reward only the second month
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 1);
// subtract 5 coins at block 101, again
tracker.startPersistedTransaction();
tracker.addAddressTransaction(101, addr, -5 * COIN, checkpoints);
tracker.endPersistedTransaction();
// now we're below 20k again
BOOST_CHECK_EQUAL(balances.at(addr), 19995 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 51);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 99);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 101);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 101);
// at block 21600 and 2*21600 (after 1 and 2 months), no one is eligible for a reward
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 0);
}
BOOST_AUTO_TEST_CASE(corner)
{
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
// 20k coins added at block 10
tracker.startPersistedTransaction();
tracker.addAddressTransaction(10, addr, 20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
// 5 more added to create range at block 21599 which is 1 block below the end of the first month
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21599, addr, 5 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20005 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 21599);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
// add 5 more
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21600, addr, 5 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20010 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 21600);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21601, addr, 5 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20015 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 21601);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(21601, addr, 5 * COIN);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20010 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 21600);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21601, addr, -15 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19995 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 21600);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21601);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21601);
// now since they spent more and broke the limit, they're not eligible anymore
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 0);
// calling with a block that doesn't have a record should change nothing other than the balance
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(22600, addr, 15 * COIN);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19980 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 21600);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21601);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21601);
// now since they spent more and broke the limit, they're not eligible anymore
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 0);
}
BOOST_AUTO_TEST_CASE(reward_multiplier_tests)
{
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
// 20k coins added at block 10
tracker.startPersistedTransaction();
tracker.addAddressTransaction(10, addr, 20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
// 5 more added to create range at block 21599 which is 1 block below the end of the first month
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21599, addr, 20005 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 40005 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21599);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21599);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getRewardMultiplier(), 2);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(21600).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 2); // .second is the rangeMultiplier
// add 5 more
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21600, addr, 5 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 40010 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21599);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21600);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getRewardMultiplier(), 2);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21601, addr, 5 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 40015 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21599);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21601);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getRewardMultiplier(), 2);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 2);
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(21601, addr, 5 * COIN);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 40010 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21599);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21600);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getRewardMultiplier(), 2);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(21601, addr, -15 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 39995 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 3);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21599);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21600);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getRewardMultiplier(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getStart(), 21601);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getEnd(), 21601);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getRewardMultiplier(), 1);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 1);
// calling with a block that doesn't have a record should change nothing other than the balance
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(22600, addr, 15 * COIN);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 39980 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 3);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 10);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 21599);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 21600);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getRewardMultiplier(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getStart(), 21601);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getEnd(), 21601);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getRewardMultiplier(), 1);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600).size(), 1);
BOOST_CHECK(tracker.getEligibleAddresses(2 * 21600)[0].first == addr);
BOOST_CHECK_EQUAL(tracker.getEligibleAddresses(2 * 21600)[0].second, 1);
}
BOOST_AUTO_TEST_CASE(getEligibleAddresses)
{
//test asserts
// We can retrieve reward fo the past blocks now
// BOOST_REQUIRE_THROW(tracker.getEligibleAddresses(1), std::invalid_argument);
// BOOST_REQUIRE_THROW(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan-1), std::invalid_argument);
// BOOST_REQUIRE_THROW(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan + 1), std::invalid_argument);
// BOOST_REQUIRE_THROW(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan + 5000), std::invalid_argument);
// ok
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 3).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 50).size(), 0);
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
// 20001 coins added at block 1
tracker.startPersistedTransaction();
tracker.addAddressTransaction(1, addr, 20001 * COIN, checkpoints);
tracker.endPersistedTransaction();
// nobody is ever elegible in the first period.
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan).size(), 0);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2).size(), 1);
// address is always eligible in any of the next months.
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2).size(), 1);
BOOST_REQUIRE_EQUAL(StringFromVecUint8(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2).front().first), addrStr);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2).front().second, 1);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 3).size(), 1);
BOOST_REQUIRE_EQUAL(StringFromVecUint8(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 3).front().first), addrStr);
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 3).front().second, 1);
// until balance gets below 20k
tracker.startPersistedTransaction();
tracker.addAddressTransaction((21600 * 3) + 1, addr, -2 * COIN, checkpoints);
tracker.endPersistedTransaction();
// assert was eligable for month 3 in the past but not now
// this doesn't work because we just added block (tracker.MinimumRewardRangeSpan * 3)
BOOST_REQUIRE_NO_THROW(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 3).size());
BOOST_REQUIRE_NO_THROW(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 3).front());
// not eligable in month 4, this is ok.
BOOST_REQUIRE_EQUAL(tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 4).size(), 0);
}
BOOST_AUTO_TEST_CASE(negative_balance)
{
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
// add
tracker.startPersistedTransaction();
BOOST_REQUIRE_NO_THROW(tracker.addAddressTransaction(1, addr, -1 * COIN, checkpoints));
tracker.endPersistedTransaction();
// remove
tracker.startPersistedTransaction();
BOOST_REQUIRE_NO_THROW(tracker.removeAddressTransaction(1, addr, 1 * COIN));
tracker.endPersistedTransaction();
}
BOOST_AUTO_TEST_CASE(interruption)
{
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
// 20001 coins added at block 1
tracker.startPersistedTransaction();
tracker.addAddressTransaction(1, addr, 20001 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20001 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 1);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(1, addr, -2 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19999 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 1);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(1, addr, 2 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20001 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 3);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getEnd(), 1);
// ... possible DoS
tracker.startPersistedTransaction();
tracker.addAddressTransaction(2, addr, -2 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[3].getStart(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[3].getEnd(), 2);
tracker.startPersistedTransaction();
tracker.addAddressTransaction(2, addr, 2 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 5);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getStart(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[2].getEnd(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[3].getStart(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[3].getEnd(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[4].getStart(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[4].getEnd(), 2);
// ...
}
std::string randomAddrGen(int length) {
static std::string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
std::string result;
result.resize(length);
for (int i = 0; i < length; i++)
result[i] = charset[rand() % charset.length()];
return result;
}
BOOST_AUTO_TEST_CASE(performance)
{
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
{
// 20001 coins added at block 1
tracker.startPersistedTransaction();
tracker.addAddressTransaction(1, addr, 20001 * COIN, checkpoints);
tracker.endPersistedTransaction();
std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();
tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2);
std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
std::cout << "Elapsed: " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << " [µs]" << std::endl;
}
srand(time(NULL));
{
for(int i = 0; i < 5000; i++) {
std::string addrStr = randomAddrGen(std::rand()%10);
AddressType addr = VecUint8FromString(addrStr);
// send some coin below 20k to all addresses
tracker.startPersistedTransaction();
tracker.addAddressTransaction(1, addr, rand()%20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
}
std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();
tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2);
std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
std::cout << "Elapsed: " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << " [µs]" << std::endl;
}
{
for(int i = 0; i < 50000; i++) {
std::string addrStr = randomAddrGen(std::rand()%10);
AddressType addr = VecUint8FromString(addrStr);
// send some coin below 20k to all addresses
tracker.startPersistedTransaction();
tracker.addAddressTransaction(1, addr, rand()%20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
}
std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now();
tracker.getEligibleAddresses(tracker.MinimumRewardRangeSpan * 2);
std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
std::cout << "Elapsed: " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << " [µs]" << std::endl;
}
}
BOOST_AUTO_TEST_CASE(checkpoints_basic)
{
// add a checkpoint at block 3
checkpoints.insert(std::make_pair(3, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
BOOST_REQUIRE_THROW(balances.at(addr), std::out_of_range);
// 20001 coins added at block 4 to insert a record
tracker.startPersistedTransaction();
tracker.addAddressTransaction(4, addr, 20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 4);
// change state to below 20k
tracker.startPersistedTransaction();
tracker.addAddressTransaction(5, addr, -1 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19999 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 5);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 5);
// add a new checkpoint in block 7, everything below should be deleted in the next operation
checkpoints.insert(std::make_pair(7, uint256S("0x7777777777777777777777777777777777777777777777777777777777777777")));
// add some transaction after the checkpoint, this will delete old records for address
tracker.startPersistedTransaction();
tracker.addAddressTransaction(8, addr, -1 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19998 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 0);
// make sure it it start working again
tracker.startPersistedTransaction();
tracker.addAddressTransaction(9, addr, 2 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 9);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 9);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
}
BOOST_AUTO_TEST_CASE(checkpoints_many)
{
// add several checkpoints
checkpoints.insert(std::make_pair(0, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
checkpoints.insert(std::make_pair(10, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
checkpoints.insert(std::make_pair(20, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
checkpoints.insert(std::make_pair(30, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
checkpoints.insert(std::make_pair(50, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
checkpoints.insert(std::make_pair(100, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
BOOST_REQUIRE_THROW(balances.at(addr), std::out_of_range);
// 20001 coins added at block 4 to insert a record
tracker.startPersistedTransaction();
tracker.addAddressTransaction(4, addr, 20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 4);
// change state to below 20k
tracker.startPersistedTransaction();
tracker.addAddressTransaction(7, addr, -1 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19999 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 7);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 7);
// add some transaction after the checkpoint, this will delete old records for address,
// and a new one will be added
tracker.startPersistedTransaction();
tracker.addAddressTransaction(12, addr, 1 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 12);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 12);
// now we add a transaction at a block > 30, to test that this should not be removed yet
tracker.startPersistedTransaction();
tracker.addAddressTransaction(33, addr, 1 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20001 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 12);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 33);
// one more block in the future
tracker.startPersistedTransaction();
tracker.addAddressTransaction(45, addr, 1 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20002 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 12);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 45);
// one more block in the future that goes below the threshold, but below the next threshold
tracker.startPersistedTransaction();
tracker.addAddressTransaction(48, addr, -3 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19999 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 2);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 12);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 45);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getStart(), 48);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[1].getEnd(), 48);
BOOST_REQUIRE_EQUAL(!ranges.at(addr)[1].getRewardMultiplier(), 1);
// we're gonna add after the next checkpoint, once below and once above the threshold, so we save the state
auto trackerState = saveTrackerState();
// now below threshold, but at the next
tracker.startPersistedTransaction();
tracker.addAddressTransaction(55, addr, -2 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 19997 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 0);
// now attempt to roll back before the last checkpoint. This should not be allowed
tracker.startPersistedTransaction();
BOOST_REQUIRE_THROW(tracker.removeAddressTransaction(48, addr, -3 * COIN), std::invalid_argument);
tracker.endPersistedTransaction();
restoreTrackerState(trackerState);
// now we do it again, but above threshold after having restored the state
tracker.startPersistedTransaction();
tracker.addAddressTransaction(55, addr, 3 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20002 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 55);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 55);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getRewardMultiplier(), 1);
}
BOOST_AUTO_TEST_CASE(checkpoints_rollback)
{
std::string addrStr = "abc";
AddressType addr = VecUint8FromString(addrStr);
// 20000 coins added at block 4 to insert a record
tracker.startPersistedTransaction();
tracker.addAddressTransaction(4, addr, 20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 4);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 4);
// revert back is valid as we dont have any checkpoint, first revert to block 4
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(4, addr, 20000 * COIN);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 0);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 0);
// then revert to block 1
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(4, addr, 0);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 0);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 0);
// add a checkpoint at block 3
checkpoints.insert(std::make_pair(3, uint256S("0x3333333333333333333333333333333333333333333333333333333333333333")));
// add 20000 coins to block 5 to insert a record
tracker.startPersistedTransaction();
tracker.addAddressTransaction(5, addr, 20000 * COIN, checkpoints);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 20000 * COIN);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getStart(), 5);
BOOST_REQUIRE_EQUAL(ranges.at(addr)[0].getEnd(), 5);
// revert back below last checkpoint will fail
tracker.startPersistedTransaction();
BOOST_REQUIRE_THROW(tracker.removeAddressTransaction(1, addr, 20000 * COIN), std::invalid_argument);
tracker.endPersistedTransaction();
// revert to block 5 is ok
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(5, addr, 20000 * COIN);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 0);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 0);
// revert to block 4 is ok
tracker.startPersistedTransaction();
tracker.removeAddressTransaction(4, addr, 0);
tracker.endPersistedTransaction();
BOOST_CHECK_EQUAL(balances.at(addr), 0);
BOOST_REQUIRE_EQUAL(ranges.size(), 1);
BOOST_REQUIRE_EQUAL(ranges.at(addr).size(), 0);
// revert to block of checkpoint will fail
tracker.startPersistedTransaction();
BOOST_REQUIRE_THROW(tracker.removeAddressTransaction(3, addr, 0), std::invalid_argument);
tracker.endPersistedTransaction();
}
BOOST_AUTO_TEST_CASE(multiple_addresses)
{
std::string addrStr1 = "abc1";
AddressType addr1 = VecUint8FromString(addrStr1);
std::string addrStr2 = "abc2";
AddressType addr2 = VecUint8FromString(addrStr2);
std::string addrStr3 = "abc3";
AddressType addr3 = VecUint8FromString(addrStr3);
// add 20k coins to all addresses in block 1
tracker.startPersistedTransaction();