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wallet_tests.cpp
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wallet_tests.cpp
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// Copyright (c) 2012-2015 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 <wallet/wallet.h>
#include <iostream>
#include <future>
#include <memory>
#include <stdint.h>
#include <vector>
#include <interfaces/chain.h>
#include <key_io.h>
#include <node/context.h>
#include <policy/policy.h>
#include <rpc/server.h>
#include <rpc/rawtransaction_util.h>
#include <test/util/logging.h>
#include <test/util/setup_common.h>
#include <util/translation.h>
#include <validation.h>
#include <wallet/coincontrol.h>
#include <wallet/test/wallet_test_fixture.h>
#include <boost/test/unit_test.hpp>
#include <univalue.h>
extern UniValue importmulti(const JSONRPCRequest& request);
extern UniValue dumpwallet(const JSONRPCRequest& request);
extern UniValue importwallet(const JSONRPCRequest& request);
extern UniValue getnewaddress(const JSONRPCRequest& request);
BOOST_FIXTURE_TEST_SUITE(wallet_tests, WalletTestingSetup)
static std::shared_ptr<CWallet> TestLoadWallet(interfaces::Chain& chain)
{
DatabaseOptions options;
DatabaseStatus status;
bilingual_str error;
std::vector<bilingual_str> warnings;
auto database = MakeWalletDatabase("", options, status, error);
auto wallet = CWallet::Create(chain, "", std::move(database), options.create_flags, error, warnings);
wallet->postInitProcess();
return wallet;
}
static void TestUnloadWallet(std::shared_ptr<CWallet>&& wallet)
{
std::vector<bilingual_str> warnings;
SyncWithValidationInterfaceQueue();
wallet->m_chain_notifications_handler.reset();
RemoveWallet(wallet, std::nullopt, warnings);
UnloadWallet(std::move(wallet));
}
static CMutableTransaction TestSimpleSpend(const CTransaction& from, uint32_t index, const CKey& key, const CScript& pubkey)
{
CMutableTransaction mtx;
mtx.vout.push_back({from.vout[index].nValue - DEFAULT_TRANSACTION_MAXFEE, pubkey});
mtx.vin.push_back({CTxIn{from.GetHash(), index}});
FillableSigningProvider keystore;
keystore.AddKey(key);
std::map<COutPoint, Coin> coins;
coins[mtx.vin[0].prevout].out = from.vout[index];
std::map<int, std::string> input_errors;
BOOST_CHECK(SignTransaction(mtx, &keystore, coins, SIGHASH_ALL, input_errors));
return mtx;
}
static void AddKey(CWallet& wallet, const CKey& key)
{
auto spk_man = wallet.GetLegacyScriptPubKeyMan();
LOCK(wallet.cs_wallet);
AssertLockHeld(spk_man->cs_wallet);
spk_man->AddKeyPubKey(key, key.GetPubKey());
}
BOOST_FIXTURE_TEST_CASE(scan_for_wallet_transactions, TestChain100Setup)
{
// Cap last block file size, and mine new block in a new block file.
CBlockIndex* oldTip = ::ChainActive().Tip();
GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE;
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
CBlockIndex* newTip = ::ChainActive().Tip();
NodeContext node;
auto chain = interfaces::MakeChain(node);
// Verify ScanForWalletTransactions accommodates a null start block.
{
CWallet wallet(chain.get(), "", CreateDummyWalletDatabase());
{
LOCK(wallet.cs_wallet);
wallet.SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
}
AddKey(wallet, coinbaseKey);
WalletRescanReserver reserver(&wallet);
reserver.reserve();
CWallet::ScanResult result = wallet.ScanForWalletTransactions({} /* start_block */, {} /* stop_block */, reserver, false /* update */);
BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::SUCCESS);
BOOST_CHECK(result.last_failed_block.IsNull());
BOOST_CHECK(result.last_scanned_block.IsNull());
BOOST_CHECK(!result.last_scanned_height);
BOOST_CHECK_EQUAL(wallet.GetBalance().m_mine_immature, 0);
}
// Verify ScanForWalletTransactions picks up transactions in both the old
// and new block files.
{
CWallet wallet(chain.get(), "", CreateDummyWalletDatabase());
{
LOCK(wallet.cs_wallet);
wallet.SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
}
AddKey(wallet, coinbaseKey);
WalletRescanReserver reserver(&wallet);
reserver.reserve();
CWallet::ScanResult result = wallet.ScanForWalletTransactions(oldTip->GetBlockHash(), {} /* stop_block */, reserver, false /* update */);
BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::SUCCESS);
BOOST_CHECK(result.last_failed_block.IsNull());
BOOST_CHECK_EQUAL(result.last_scanned_block, newTip->GetBlockHash());
BOOST_CHECK_EQUAL(*result.last_scanned_height, newTip->nHeight);
BOOST_CHECK_EQUAL(wallet.GetBalance().m_mine_immature, 1000 * COIN);
}
// Prune the older block file.
{
LOCK(cs_main);
Assert(m_node.chainman)->PruneOneBlockFile(oldTip->GetBlockPos().nFile);
}
UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});
// Verify ScanForWalletTransactions only picks transactions in the new block
// file.
{
CWallet wallet(chain.get(), "", CreateDummyWalletDatabase());
{
LOCK(wallet.cs_wallet);
wallet.SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
}
AddKey(wallet, coinbaseKey);
WalletRescanReserver reserver(&wallet);
reserver.reserve();
CWallet::ScanResult result = wallet.ScanForWalletTransactions(oldTip->GetBlockHash(), {} /* stop_block */, reserver, false /* update */);
BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::FAILURE);
BOOST_CHECK_EQUAL(result.last_failed_block, oldTip->GetBlockHash());
BOOST_CHECK_EQUAL(result.last_scanned_block, newTip->GetBlockHash());
BOOST_CHECK_EQUAL(*result.last_scanned_height, newTip->nHeight);
BOOST_CHECK_EQUAL(wallet.GetBalance().m_mine_immature, 500 * COIN);
}
// Prune the remaining block file.
{
LOCK(cs_main);
Assert(m_node.chainman)->PruneOneBlockFile(newTip->GetBlockPos().nFile);
}
UnlinkPrunedFiles({newTip->GetBlockPos().nFile});
// Verify ScanForWalletTransactions scans no blocks.
{
CWallet wallet(chain.get(), "", CreateDummyWalletDatabase());
{
LOCK(wallet.cs_wallet);
wallet.SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
}
AddKey(wallet, coinbaseKey);
WalletRescanReserver reserver(&wallet);
reserver.reserve();
CWallet::ScanResult result = wallet.ScanForWalletTransactions(oldTip->GetBlockHash(), {} /* stop_block */, reserver, false /* update */);
BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::FAILURE);
BOOST_CHECK_EQUAL(result.last_failed_block, newTip->GetBlockHash());
BOOST_CHECK(result.last_scanned_block.IsNull());
BOOST_CHECK(!result.last_scanned_height);
BOOST_CHECK_EQUAL(wallet.GetBalance().m_mine_immature, 0);
}
}
BOOST_FIXTURE_TEST_CASE(importmulti_rescan, TestChain100Setup)
{
// Cap last block file size, and mine new block in a new block file.
CBlockIndex* oldTip = ::ChainActive().Tip();
GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE;
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
CBlockIndex* newTip = ::ChainActive().Tip();
NodeContext node;
auto chain = interfaces::MakeChain(node);
// Prune the older block file.
{
LOCK(cs_main);
Assert(m_node.chainman)->PruneOneBlockFile(oldTip->GetBlockPos().nFile);
}
UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});
// Verify importmulti RPC returns failure for a key whose creation time is
// before the missing block, and success for a key whose creation time is
// after.
{
std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(chain.get(), "", CreateDummyWalletDatabase());
AddWallet(wallet);
UniValue keys;
keys.setArray();
UniValue key;
key.setObject();
key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(coinbaseKey.GetPubKey())));
key.pushKV("timestamp", 0);
key.pushKV("internal", UniValue(true));
keys.push_back(key);
key.clear();
key.setObject();
CKey futureKey;
futureKey.MakeNewKey(true);
key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(futureKey.GetPubKey())));
key.pushKV("timestamp", newTip->GetBlockTimeMax() + TIMESTAMP_WINDOW + 1);
key.pushKV("internal", UniValue(true));
keys.push_back(key);
CoreContext context{m_node};
JSONRPCRequest request(context);
request.params.setArray();
request.params.push_back(keys);
UniValue response = importmulti(request);
BOOST_CHECK_EQUAL(response.write(),
strprintf("[{\"success\":false,\"error\":{\"code\":-1,\"message\":\"Rescan failed for key with creation "
"timestamp %d. There was an error reading a block from time %d, which is after or within %d "
"seconds of key creation, and could contain transactions pertaining to the key. As a result, "
"transactions and coins using this key may not appear in the wallet. This error could be caused "
"by pruning or data corruption (see dashd log for details) and could be dealt with by "
"downloading and rescanning the relevant blocks (see -reindex and -rescan "
"options).\"}},{\"success\":true}]",
0, oldTip->GetBlockTimeMax(), TIMESTAMP_WINDOW));
RemoveWallet(wallet, std::nullopt);
}
}
// Verify importwallet RPC starts rescan at earliest block with timestamp
// greater or equal than key birthday. Previously there was a bug where
// importwallet RPC would start the scan at the latest block with timestamp less
// than or equal to key birthday.
BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup)
{
// Create two blocks with same timestamp to verify that importwallet rescan
// will pick up both blocks, not just the first.
const int64_t BLOCK_TIME = ::ChainActive().Tip()->GetBlockTimeMax() + 5;
SetMockTime(BLOCK_TIME);
m_coinbase_txns.emplace_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
m_coinbase_txns.emplace_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
// Set key birthday to block time increased by the timestamp window, so
// rescan will start at the block time.
const int64_t KEY_TIME = BLOCK_TIME + 7200;
SetMockTime(KEY_TIME);
m_coinbase_txns.emplace_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
NodeContext node;
auto chain = interfaces::MakeChain(node);
std::string backup_file = (GetDataDir() / "wallet.backup").string();
// Import key into wallet and call dumpwallet to create backup file.
{
std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(chain.get(), "", CreateDummyWalletDatabase());
auto spk_man = wallet->GetLegacyScriptPubKeyMan();
LOCK(wallet->cs_wallet);
AssertLockHeld(spk_man->cs_wallet);
spk_man->mapKeyMetadata[coinbaseKey.GetPubKey().GetID()].nCreateTime = KEY_TIME;
spk_man->AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
CoreContext context{m_node};
JSONRPCRequest request(context);
request.params.setArray();
request.params.push_back(backup_file);
AddWallet(wallet);
::dumpwallet(request);
RemoveWallet(wallet, std::nullopt);
}
// Call importwallet RPC and verify all blocks with timestamps >= BLOCK_TIME
// were scanned, and no prior blocks were scanned.
{
std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(chain.get(), "", CreateDummyWalletDatabase());
CoreContext context{m_node};
JSONRPCRequest request(context);
request.params.setArray();
request.params.push_back(backup_file);
AddWallet(wallet);
::importwallet(request);
RemoveWallet(wallet, std::nullopt);
LOCK(wallet->cs_wallet);
BOOST_CHECK_EQUAL(wallet->mapWallet.size(), 3U);
BOOST_CHECK_EQUAL(m_coinbase_txns.size(), 103U);
for (size_t i = 0; i < m_coinbase_txns.size(); ++i) {
bool found = wallet->GetWalletTx(m_coinbase_txns[i]->GetHash());
bool expected = i >= 100;
BOOST_CHECK_EQUAL(found, expected);
}
}
SetMockTime(0);
}
// Check that GetImmatureCredit() returns a newly calculated value instead of
// the cached value after a MarkDirty() call.
//
// This is a regression test written to verify a bugfix for the immature credit
// function. Similar tests probably should be written for the other credit and
// debit functions.
BOOST_FIXTURE_TEST_CASE(coin_mark_dirty_immature_credit, TestChain100Setup)
{
NodeContext node;
auto chain = interfaces::MakeChain(node);
CWallet wallet(chain.get(), "", CreateDummyWalletDatabase());
auto spk_man = wallet.GetLegacyScriptPubKeyMan();
CWalletTx wtx(&wallet, m_coinbase_txns.back());
LOCK(wallet.cs_wallet);
AssertLockHeld(spk_man->cs_wallet);
wallet.SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, ::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash(), 0);
wtx.m_confirm = confirm;
// Call GetImmatureCredit() once before adding the key to the wallet to
// cache the current immature credit amount, which is 0.
BOOST_CHECK_EQUAL(wtx.GetImmatureCredit(), 0);
// Invalidate the cached vanue, add the key, and make sure a new immature
// credit amount is calculated.
wtx.MarkDirty();
BOOST_CHECK(spk_man->AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey()));
BOOST_CHECK_EQUAL(wtx.GetImmatureCredit(), 500*COIN);
}
static int64_t AddTx(ChainstateManager& chainman, CWallet& wallet, uint32_t lockTime, int64_t mockTime, int64_t blockTime)
{
CMutableTransaction tx;
tx.nLockTime = lockTime;
SetMockTime(mockTime);
CBlockIndex* block = nullptr;
if (blockTime > 0) {
LOCK(cs_main);
auto inserted = chainman.BlockIndex().emplace(GetRandHash(), new CBlockIndex);
assert(inserted.second);
const uint256& hash = inserted.first->first;
block = inserted.first->second;
block->nTime = blockTime;
block->phashBlock = &hash;
}
CWalletTx wtx(&wallet, MakeTransactionRef(tx));
LOCK(wallet.cs_wallet);
// If transaction is already in map, to avoid inconsistencies, unconfirmation
// is needed before confirm again with different block.
std::map<uint256, CWalletTx>::iterator it = wallet.mapWallet.find(wtx.GetHash());
if (it != wallet.mapWallet.end()) {
wtx.setUnconfirmed();
wallet.AddToWallet(wtx);
}
if (block) {
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, block->nHeight, block->GetBlockHash(), 0);
wtx.m_confirm = confirm;
}
wallet.AddToWallet(wtx);
return wallet.mapWallet.at(wtx.GetHash()).nTimeSmart;
}
// Simple test to verify assignment of CWalletTx::nSmartTime value. Could be
// expanded to cover more corner cases of smart time logic.
BOOST_AUTO_TEST_CASE(ComputeTimeSmart)
{
// New transaction should use clock time if lower than block time.
BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 1, 100, 120), 100);
// Test that updating existing transaction does not change smart time.
BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 1, 200, 220), 100);
// New transaction should use clock time if there's no block time.
BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 2, 300, 0), 300);
// New transaction should use block time if lower than clock time.
BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 3, 420, 400), 400);
// New transaction should use latest entry time if higher than
// min(block time, clock time).
BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 4, 500, 390), 400);
// If there are future entries, new transaction should use time of the
// newest entry that is no more than 300 seconds ahead of the clock time.
BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 5, 50, 600), 300);
// Reset mock time for other tests.
SetMockTime(0);
}
BOOST_AUTO_TEST_CASE(LoadReceiveRequests)
{
CTxDestination dest = CKeyID();
LOCK(m_wallet.cs_wallet);
m_wallet.AddDestData(dest, "misc", "val_misc");
m_wallet.AddDestData(dest, "rr0", "val_rr0");
m_wallet.AddDestData(dest, "rr1", "val_rr1");
auto values = m_wallet.GetDestValues("rr");
BOOST_CHECK_EQUAL(values.size(), 2U);
BOOST_CHECK_EQUAL(values[0], "val_rr0");
BOOST_CHECK_EQUAL(values[1], "val_rr1");
}
class ListCoinsTestingSetup : public TestChain100Setup
{
public:
ListCoinsTestingSetup()
{
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
wallet = std::make_unique<CWallet>(m_chain.get(), "", CreateMockWalletDatabase());
{
LOCK(wallet->cs_wallet);
wallet->SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
}
bool firstRun;
wallet->LoadWallet(firstRun);
AddKey(*wallet, coinbaseKey);
WalletRescanReserver reserver(wallet.get());
reserver.reserve();
CWallet::ScanResult result = wallet->ScanForWalletTransactions(::ChainActive().Genesis()->GetBlockHash(), {} /* stop_block */, reserver, false /* update */);
BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::SUCCESS);
BOOST_CHECK_EQUAL(result.last_scanned_block, ::ChainActive().Tip()->GetBlockHash());
BOOST_CHECK_EQUAL(*result.last_scanned_height, ::ChainActive().Height());
BOOST_CHECK(result.last_failed_block.IsNull());
}
~ListCoinsTestingSetup()
{
wallet.reset();
}
CWalletTx& AddTx(CRecipient recipient)
{
CTransactionRef tx;
CAmount fee;
int changePos = -1;
bilingual_str error;
CCoinControl dummy;
BOOST_CHECK(wallet->CreateTransaction({recipient}, tx, fee, changePos, error, dummy));
{
LOCK2(wallet->cs_wallet, cs_main);
wallet->CommitTransaction(tx, {}, {});
}
CMutableTransaction blocktx;
{
LOCK(wallet->cs_wallet);
blocktx = CMutableTransaction(*wallet->mapWallet.at(tx->GetHash()).tx);
}
CreateAndProcessBlock({CMutableTransaction(blocktx)}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
LOCK(wallet->cs_wallet);
wallet->SetLastBlockProcessed(wallet->GetLastBlockHeight() + 1, ::ChainActive().Tip()->GetBlockHash());
auto it = wallet->mapWallet.find(tx->GetHash());
BOOST_CHECK(it != wallet->mapWallet.end());
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, ::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash(), 1);
it->second.m_confirm = confirm;
return it->second;
}
std::unique_ptr<interfaces::Chain> m_chain = interfaces::MakeChain(m_node);
std::unique_ptr<CWallet> wallet;
};
BOOST_FIXTURE_TEST_CASE(ListCoins, ListCoinsTestingSetup)
{
std::string coinbaseAddress = coinbaseKey.GetPubKey().GetID().ToString();
// Confirm ListCoins initially returns 1 coin grouped under coinbaseKey
// address.
std::map<CTxDestination, std::vector<COutput>> list;
{
LOCK(wallet->cs_wallet);
list = wallet->ListCoins();
}
BOOST_CHECK_EQUAL(list.size(), 1U);
BOOST_CHECK_EQUAL(std::get<CKeyID>(list.begin()->first).ToString(), coinbaseAddress);
BOOST_CHECK_EQUAL(list.begin()->second.size(), 1U);
// Check initial balance from one mature coinbase transaction.
BOOST_CHECK_EQUAL(500 * COIN, wallet->GetAvailableBalance());
// Add a transaction creating a change address, and confirm ListCoins still
// returns the coin associated with the change address underneath the
// coinbaseKey pubkey, even though the change address has a different
// pubkey.
AddTx(CRecipient{GetScriptForRawPubKey({}), 1 * COIN, false /* subtract fee */});
{
LOCK(wallet->cs_wallet);
list = wallet->ListCoins();
}
BOOST_CHECK_EQUAL(list.size(), 1U);
BOOST_CHECK_EQUAL(std::get<CKeyID>(list.begin()->first).ToString(), coinbaseAddress);
BOOST_CHECK_EQUAL(list.begin()->second.size(), 2U);
// Lock both coins. Confirm number of available coins drops to 0.
{
LOCK(wallet->cs_wallet);
std::vector<COutput> available;
wallet->AvailableCoins(available);
BOOST_CHECK_EQUAL(available.size(), 2U);
}
for (const auto& group : list) {
for (const auto& coin : group.second) {
LOCK(wallet->cs_wallet);
wallet->LockCoin(COutPoint(coin.tx->GetHash(), coin.i));
}
}
{
LOCK(wallet->cs_wallet);
std::vector<COutput> available;
wallet->AvailableCoins(available);
BOOST_CHECK_EQUAL(available.size(), 0U);
}
// Confirm ListCoins still returns same result as before, despite coins
// being locked.
{
LOCK(wallet->cs_wallet);
list = wallet->ListCoins();
}
BOOST_CHECK_EQUAL(list.size(), 1U);
BOOST_CHECK_EQUAL(std::get<CKeyID>(list.begin()->first).ToString(), coinbaseAddress);
BOOST_CHECK_EQUAL(list.begin()->second.size(), 2U);
}
class CreateTransactionTestSetup : public TestChain100Setup
{
public:
enum ChangeTest {
Skip,
NoChangeExpected,
ChangeExpected,
};
// Result strings to test
const std::string strInsufficientFunds = "Insufficient funds.";
const std::string strAmountNotNegative = "Transaction amounts must not be negative";
const std::string strAtLeastOneRecipient = "Transaction must have at least one recipient";
const std::string strTooSmallToPayFee = "The transaction amount is too small to pay the fee";
const std::string strTooSmallAfterFee = "The transaction amount is too small to send after the fee has been deducted";
const std::string strTooSmall = "Transaction amount too small";
const std::string strUnableToLocateCoinJoin1 = "Unable to locate enough non-denominated funds for this transaction.";
const std::string strUnableToLocateCoinJoin2 = "Unable to locate enough mixed funds for this transaction. CoinJoin uses exact denominated amounts to send funds, you might simply need to mix some more coins.";
const std::string strTransactionTooLarge = "Transaction too large";
const std::string strChangeIndexOutOfRange = "Change index out of range";
const std::string strExceededMaxTries = "Exceeded max tries.";
const std::string strMaxFeeExceeded = "Fee exceeds maximum configured by -maxtxfee";
CreateTransactionTestSetup()
{
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
wallet = std::make_unique<CWallet>(m_chain.get(), "", CreateMockWalletDatabase());
bool firstRun;
wallet->LoadWallet(firstRun);
AddWallet(wallet);
AddKey(*wallet, coinbaseKey);
WalletRescanReserver reserver(wallet.get());
reserver.reserve();
{
LOCK(wallet->cs_wallet);
wallet->SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
}
CWallet::ScanResult result = wallet->ScanForWalletTransactions(::ChainActive().Genesis()->GetBlockHash() /* start_block */, {} /* stop_block */, reserver, false /* update */);
BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::SUCCESS);
}
std::unique_ptr<interfaces::Chain> m_chain = interfaces::MakeChain(m_node);
~CreateTransactionTestSetup()
{
RemoveWallet(wallet, std::nullopt);
}
std::shared_ptr<CWallet> wallet;
CCoinControl coinControl;
template <typename T>
bool CheckEqual(const T expected, const T actual)
{
BOOST_CHECK_EQUAL(expected, actual);
return expected == actual;
}
bool CreateTransaction(const std::vector<std::pair<CAmount, bool>>& vecEntries, bool fCreateShouldSucceed = true, ChangeTest changeTest = ChangeTest::Skip)
{
return CreateTransaction(vecEntries, {}, -1, fCreateShouldSucceed, changeTest);
}
bool CreateTransaction(const std::vector<std::pair<CAmount, bool>>& vecEntries, std::string strErrorExpected, bool fCreateShouldSucceed = true, ChangeTest changeTest = ChangeTest::Skip)
{
return CreateTransaction(vecEntries, strErrorExpected, -1, fCreateShouldSucceed, changeTest);
}
bool CreateTransaction(const std::vector<std::pair<CAmount, bool>>& vecEntries, std::string strErrorExpected, int nChangePosRequest = -1, bool fCreateShouldSucceed = true, ChangeTest changeTest = ChangeTest::Skip)
{
CTransactionRef tx;
CAmount nFeeRet;
int nChangePos = nChangePosRequest;
bilingual_str strError;
bool fCreationSucceeded = wallet->CreateTransaction(GetRecipients(vecEntries), tx, nFeeRet, nChangePos, strError, coinControl);
bool fHitMaxTries = strError.original == strExceededMaxTries;
// This should never happen.
if (fHitMaxTries) {
BOOST_CHECK(!fHitMaxTries);
return false;
}
// Verify the creation succeeds if expected and fails if not.
if (!CheckEqual(fCreateShouldSucceed, fCreationSucceeded)) {
return false;
}
// Verify the expected error string if there is one provided
if (strErrorExpected.size() && !CheckEqual(strErrorExpected, strError.original)) {
return false;
}
if (!fCreateShouldSucceed) {
// No need to evaluate the following if the creation should have failed.
return true;
}
// Verify there is no change output if there wasn't any expected
bool fChangeTestPassed = changeTest == ChangeTest::Skip ||
(changeTest == ChangeTest::ChangeExpected && nChangePos != -1) ||
(changeTest == ChangeTest::NoChangeExpected && nChangePos == -1);
BOOST_CHECK(fChangeTestPassed);
if (!fChangeTestPassed) {
return false;
}
// Verify the change is at the requested position if there was a request
if (nChangePosRequest != -1 && !CheckEqual(nChangePosRequest, nChangePos)) {
return false;
}
// Verify the number of requested outputs does match the resulting outputs
return CheckEqual(vecEntries.size(), tx->vout.size() - (nChangePos != -1 ? 1 : 0));
}
std::vector<CRecipient> GetRecipients(const std::vector<std::pair<CAmount, bool>>& vecEntries)
{
CoreContext context{m_node};
std::vector<CRecipient> vecRecipients;
for (auto entry : vecEntries) {
vecRecipients.push_back({GetScriptForDestination(DecodeDestination(getnewaddress(JSONRPCRequest(context)).get_str())), entry.first, entry.second});
}
return vecRecipients;
}
std::vector<COutPoint> GetCoins(const std::vector<std::pair<CAmount, bool>>& vecEntries)
{
CTransactionRef tx;
CAmount nFeeRet;
int nChangePosRet = -1;
bilingual_str strError;
CCoinControl coinControl;
BOOST_CHECK(wallet->CreateTransaction(GetRecipients(vecEntries), tx, nFeeRet, nChangePosRet, strError, coinControl));
{
LOCK2(wallet->cs_wallet, cs_main);
wallet->CommitTransaction(tx, {}, {});
}
CMutableTransaction blocktx;
{
LOCK(wallet->cs_wallet);
blocktx = CMutableTransaction(*tx);
}
CreateAndProcessBlock({CMutableTransaction(blocktx)}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
LOCK(wallet->cs_wallet);
auto it = wallet->mapWallet.find(tx->GetHash());
BOOST_CHECK(it != wallet->mapWallet.end());
wallet->SetLastBlockProcessed(::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash());
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, ::ChainActive().Height(), ::ChainActive().Tip()->GetBlockHash(), 1);
it->second.m_confirm = confirm;
std::vector<COutPoint> vecOutpoints;
size_t n;
for (n = 0; n < tx->vout.size(); ++n) {
if (nChangePosRet != -1 && int(n) == nChangePosRet) {
// Skip the change output to only return the requested coins
continue;
}
vecOutpoints.push_back(COutPoint(tx->GetHash(), n));
}
assert(vecOutpoints.size() == vecEntries.size());
return vecOutpoints;
}
};
BOOST_FIXTURE_TEST_CASE(CreateTransactionTest, CreateTransactionTestSetup)
{
minRelayTxFee = CFeeRate(DEFAULT_MIN_RELAY_TX_FEE);
auto runTest = [&](const int nTestId, const CAmount nFeeRate, const std::map<int, std::pair<bool, ChangeTest>>& mapExpected) {
coinControl.m_feerate = CFeeRate(nFeeRate);
const std::map<int, std::vector<std::pair<CAmount, bool>>> mapTestCases{
{0, {{1000, false}}},
{1, {{1000, true}}},
{2, {{10000, false}}},
{3, {{10000, true}}},
{4, {{34000, false}, {40000, false}}},
{5, {{37000, false}, {40000, false}}},
{6, {{50000, false}, {50000, false}}},
{7, {{50000, true}, {50000, false}}},
{8, {{50000, false}, {50001, false}}},
{9, {{50000, true}, {50001, true}}},
{10, {{100000, false}}},
{11, {{100000, true}}},
{12, {{100001, false}}},
{13, {{100001, true}}}
};
assert(mapTestCases.size() == mapExpected.size());
for (size_t i = 0; i < mapTestCases.size(); ++i) {
if (!CreateTransaction(mapTestCases.at(i), mapExpected.at(i).first, mapExpected.at(i).second)) {
std::cout << strprintf("CreateTransactionTest failed at: %d - %d\n", nTestId, i) << std::endl;
}
}
};
// First run the tests with only one input containing 100k duffs
{
coinControl.SetNull();
coinControl.Select(GetCoins({{100000, false}})[0]);
// Start with fallback feerate
runTest(1, DEFAULT_FALLBACK_FEE, {
{0, {true, ChangeTest::ChangeExpected}},
{1, {true, ChangeTest::ChangeExpected}},
{2, {true, ChangeTest::ChangeExpected}},
{3, {true, ChangeTest::ChangeExpected}},
{4, {true, ChangeTest::ChangeExpected}},
{5, {true, ChangeTest::ChangeExpected}},
{6, {false, ChangeTest::Skip}},
{7, {true, ChangeTest::NoChangeExpected}},
{8, {false, ChangeTest::Skip}},
{9, {false, ChangeTest::Skip}},
{10, {false, ChangeTest::Skip}},
{11, {true, ChangeTest::NoChangeExpected}},
{12, {false, ChangeTest::Skip}},
{13, {false, ChangeTest::Skip}}
});
// Now with 100x fallback feerate
runTest(2, DEFAULT_FALLBACK_FEE * 100, {
{0, {true, ChangeTest::ChangeExpected}},
{1, {false, ChangeTest::Skip}},
{2, {true, ChangeTest::ChangeExpected}},
{3, {false, ChangeTest::Skip}},
{4, {true, ChangeTest::NoChangeExpected}},
{5, {false, ChangeTest::Skip}},
{6, {false, ChangeTest::Skip}},
{7, {true, ChangeTest::NoChangeExpected}},
{8, {false, ChangeTest::Skip}},
{9, {false, ChangeTest::Skip}},
{10, {false, ChangeTest::Skip}},
{11, {true, ChangeTest::NoChangeExpected}},
{12, {false, ChangeTest::Skip}},
{13, {false, ChangeTest::Skip}}
});
}
// Now use 4 different inputs with a total of 100k duff
{
coinControl.SetNull();
auto setCoins = GetCoins({{1000, false}, {5000, false}, {10000, false}, {84000, false}});
for (auto coin : setCoins) {
coinControl.Select(coin);
}
// Start with fallback feerate
runTest(3, DEFAULT_FALLBACK_FEE, {
{0, {true, ChangeTest::ChangeExpected}},
{1, {false, ChangeTest::Skip}},
{2, {true, ChangeTest::ChangeExpected}},
{3, {true, ChangeTest::ChangeExpected}},
{4, {true, ChangeTest::ChangeExpected}},
{5, {true, ChangeTest::ChangeExpected}},
{6, {false, ChangeTest::Skip}},
{7, {true, ChangeTest::NoChangeExpected}},
{8, {false, ChangeTest::Skip}},
{9, {false, ChangeTest::Skip}},
{10, {false, ChangeTest::Skip}},
{11, {true, ChangeTest::NoChangeExpected}},
{12, {false, ChangeTest::Skip}},
{13, {false, ChangeTest::Skip}}
});
// Now with 100x fallback feerate
runTest(4, DEFAULT_FALLBACK_FEE * 100, {
{0, {true, ChangeTest::ChangeExpected}},
{1, {false, ChangeTest::Skip}},
{2, {true, ChangeTest::ChangeExpected}},
{3, {false, ChangeTest::Skip}},
{4, {false, ChangeTest::Skip}},
{5, {false, ChangeTest::Skip}},
{6, {false, ChangeTest::Skip}},
{7, {false, ChangeTest::Skip}},
{8, {false, ChangeTest::Skip}},
{9, {false, ChangeTest::Skip}},
{10, {false, ChangeTest::Skip}},
{11, {true, ChangeTest::NoChangeExpected}},
{12, {false, ChangeTest::Skip}},
{13, {false, ChangeTest::Skip}}
});
}
// Last use 10 equal inputs with a total of 100k duff
{
coinControl.SetNull();
auto setCoins = GetCoins({{10000, false}, {10000, false}, {10000, false}, {10000, false}, {10000, false},
{10000, false}, {10000, false}, {10000, false}, {10000, false}, {10000, false}});
for (auto coin : setCoins) {
coinControl.Select(coin);
}
// Start with fallback feerate
runTest(5, DEFAULT_FALLBACK_FEE, {
{0, {true, ChangeTest::ChangeExpected}},
{1, {false, ChangeTest::Skip}},
{2, {true, ChangeTest::ChangeExpected}},
{3, {true, ChangeTest::ChangeExpected}},
{4, {true, ChangeTest::ChangeExpected}},
{5, {true, ChangeTest::ChangeExpected}},
{6, {false, ChangeTest::Skip}},
{7, {true, ChangeTest::NoChangeExpected}},
{8, {false, ChangeTest::Skip}},
{9, {false, ChangeTest::Skip}},
{10, {false, ChangeTest::Skip}},
{11, {true, ChangeTest::NoChangeExpected}},
{12, {false, ChangeTest::Skip}},
{13, {false, ChangeTest::Skip}}
});
// Now with 100x fallback feerate
runTest(6, DEFAULT_FALLBACK_FEE * 100, {
{0, {false, ChangeTest::Skip}},
{1, {false, ChangeTest::Skip}},
{2, {false, ChangeTest::Skip}},
{3, {false, ChangeTest::Skip}},
{4, {false, ChangeTest::Skip}},
{5, {false, ChangeTest::Skip}},
{6, {false, ChangeTest::Skip}},
{7, {false, ChangeTest::Skip}},
{8, {false, ChangeTest::Skip}},
{9, {false, ChangeTest::Skip}},
{10, {false, ChangeTest::Skip}},
{11, {false, ChangeTest::Skip}},
{12, {false, ChangeTest::Skip}},
{13, {false, ChangeTest::Skip}}
});
}
// Some tests without selected coins in coinControl, let the wallet decide
// which inputs to use
{
coinControl.SetNull();
auto setCoins = GetCoins({{1000, false}, {1000, false}, {1000, false}, {1000, false}, {1000, false},
{1100, false}, {1200, false}, {1300, false}, {1400, false}, {1500, false},
{3000, false}, {3000, false}, {2000, false}, {2000, false}, {1000, false}});
// Lock all other coins which were already in the wallet
std::vector<COutput> vecAvailable;
{
LOCK(wallet->cs_wallet);
wallet->AvailableCoins(vecAvailable);
for (auto coin : vecAvailable) {
auto out = COutPoint(coin.tx->GetHash(), coin.i);
if (std::find(setCoins.begin(), setCoins.end(), out) == setCoins.end()) {
wallet->LockCoin(out);
}
}
}
BOOST_CHECK(CreateTransaction({{100, false}}, false));
BOOST_CHECK(CreateTransaction({{1000, true}}, true));
BOOST_CHECK(CreateTransaction({{1100, false}}, true));
BOOST_CHECK(CreateTransaction({{1100, true}}, true));
BOOST_CHECK(CreateTransaction({{2200, false}}, true));
BOOST_CHECK(CreateTransaction({{3300, false}}, true));
BOOST_CHECK(CreateTransaction({{4400, false}}, true));
BOOST_CHECK(CreateTransaction({{5500, false}}, true));
BOOST_CHECK(CreateTransaction({{5500, true}}, true));
BOOST_CHECK(CreateTransaction({{6600, false}}, true));
BOOST_CHECK(CreateTransaction({{7700, false}}, true));
BOOST_CHECK(CreateTransaction({{8800, false}}, true));
BOOST_CHECK(CreateTransaction({{9900, false}}, true));
BOOST_CHECK(CreateTransaction({{9900, true}}, true));
BOOST_CHECK(CreateTransaction({{10000, false}}, true));
BOOST_CHECK(CreateTransaction({{10000, false}, {10000, false}}, false));
BOOST_CHECK(CreateTransaction({{10000, false}, {12500, true}}, true));
BOOST_CHECK(CreateTransaction({{10000, true}, {10000, true}}, true));
BOOST_CHECK(CreateTransaction({{1000, false}, {2000, false}, {3000, false}, {4000, false}}, true));
BOOST_CHECK(CreateTransaction({{1234, false}}, true));
BOOST_CHECK(CreateTransaction({{1234, false}, {4321, false}}, true));
BOOST_CHECK(CreateTransaction({{1234, false}, {4321, false}, {5678, false}}, true));
BOOST_CHECK(CreateTransaction({{1234, false}, {4321, false}, {5678, false}, {8765, false}}, false));
BOOST_CHECK(CreateTransaction({{1234, false}, {4321, false}, {5678, false}, {8765, true}}, true));
BOOST_CHECK(CreateTransaction({{1000000, false}}, false));
LOCK(wallet->cs_wallet);
wallet->UnlockAllCoins();
}
// Test if the change output ends up at the requested position
{
coinControl.SetNull();
coinControl.Select(GetCoins({{100000, false}})[0]);
BOOST_CHECK(CreateTransaction({{25000, false}, {25000, false}, {25000, false}}, {}, 0, true, ChangeTest::ChangeExpected));
BOOST_CHECK(CreateTransaction({{25000, false}, {25000, false}, {25000, false}}, {}, 1, true, ChangeTest::ChangeExpected));
BOOST_CHECK(CreateTransaction({{25000, false}, {25000, false}, {25000, false}}, {}, 2, true, ChangeTest::ChangeExpected));
BOOST_CHECK(CreateTransaction({{25000, false}, {25000, false}, {25000, false}}, {}, 3, true, ChangeTest::ChangeExpected));
}
// Test error cases
{
coinControl.SetNull();
// First try to send something without any coins available
{
// Lock all other coins
std::vector<COutput> vecAvailable;
{
LOCK(wallet->cs_wallet);
wallet->AvailableCoins(vecAvailable);
for (auto coin : vecAvailable) {
wallet->LockCoin(COutPoint(coin.tx->GetHash(), coin.i));
}
}
BOOST_CHECK(CreateTransaction({{1000, false}}, strInsufficientFunds, false));
BOOST_CHECK(CreateTransaction({{1000, true}}, strInsufficientFunds, false));
coinControl.nCoinType = CoinType::ONLY_NONDENOMINATED;
BOOST_CHECK(CreateTransaction({{1000, true}}, strUnableToLocateCoinJoin1, false));
coinControl.nCoinType = CoinType::ONLY_FULLY_MIXED;
BOOST_CHECK(CreateTransaction({{1000, true}}, strUnableToLocateCoinJoin2, false));
LOCK(wallet->cs_wallet);
wallet->UnlockAllCoins();
}
// Just to create nCount output recipes to use in tests below
std::vector<std::pair<CAmount, bool>> vecOutputEntries{{5000, false}};
auto createOutputEntries = [&](int nCount) {
while (vecOutputEntries.size() <= size_t(nCount)) {
vecOutputEntries.push_back(vecOutputEntries.back());
}
if (vecOutputEntries.size() > size_t(nCount)) {
int nDiff = vecOutputEntries.size() - nCount;
vecOutputEntries.erase(vecOutputEntries.begin(), vecOutputEntries.begin() + nDiff);
}
};
coinControl.SetNull();
coinControl.Select(GetCoins({{100 * COIN, false}})[0]);
BOOST_CHECK(CreateTransaction({{-5000, false}}, strAmountNotNegative, false));
BOOST_CHECK(CreateTransaction({}, strAtLeastOneRecipient, false));
BOOST_CHECK(CreateTransaction({{545, false}}, strTooSmall, false));
BOOST_CHECK(CreateTransaction({{545, true}}, strTooSmall, false));
BOOST_CHECK(CreateTransaction({{546, true}}, strTooSmallAfterFee, false));
createOutputEntries(100);
vecOutputEntries.push_back({600, true});
BOOST_CHECK(CreateTransaction(vecOutputEntries, strTooSmallToPayFee, false));
vecOutputEntries.pop_back();
createOutputEntries(2934);
BOOST_CHECK(CreateTransaction(vecOutputEntries, {}, true));
createOutputEntries(2935);
BOOST_CHECK(CreateTransaction(vecOutputEntries, strTransactionTooLarge, false));
wallet->m_default_max_tx_fee = 0;
BOOST_CHECK(CreateTransaction({{5000, false}}, strMaxFeeExceeded, false));
wallet->m_default_max_tx_fee = DEFAULT_TRANSACTION_MAXFEE;
BOOST_CHECK(CreateTransaction({{5000, false}, {5000, false}, {5000, false}}, strChangeIndexOutOfRange, 4, false));
}
}
// Check SelectCoinsGroupedByAddresses() behaviour
BOOST_FIXTURE_TEST_CASE(select_coins_grouped_by_addresses, ListCoinsTestingSetup)
{
// Check initial balance from one mature coinbase transaction.
BOOST_CHECK_EQUAL(wallet->GetAvailableBalance(), 500 * COIN);
{
std::vector<CompactTallyItem> vecTally = wallet->SelectCoinsGroupedByAddresses(/*fSkipDenominated=*/false,
/*fAnonymizable=*/false,
/*fSkipUnconfirmed=*/false,
/*nMaxOupointsPerAddress=*/100);
BOOST_CHECK_EQUAL(vecTally.size(), 1);
BOOST_CHECK_EQUAL(vecTally.at(0).nAmount, 500 * COIN);
BOOST_CHECK_EQUAL(vecTally.at(0).vecInputCoins.size(), 1);
}
// Create two conflicting transactions, add one to the wallet and mine the other one.
CTransactionRef tx1;
CTransactionRef tx2;
CAmount fee;
int changePos = -1;
bilingual_str error;
CCoinControl dummy;
BOOST_CHECK(wallet->CreateTransaction({CRecipient{GetScriptForRawPubKey({}), 2 * COIN, true /* subtract fee */}},
tx1, fee, changePos, error, dummy));