danicoin/tests/UnitTests/TransactionApiHelpers.cpp

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// Copyright (c) 2011-2016 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "TransactionApiHelpers.h"
#include "CryptoNoteCore/TransactionApi.h"
using namespace CryptoNote;
using namespace Crypto;
namespace {
const std::vector<AccountBase>& getMsigAccounts() {
static std::vector<AccountBase> msigAccounts = { generateAccount(), generateAccount() };
return msigAccounts;
}
}
TestTransactionBuilder::TestTransactionBuilder() {
tx = createTransaction();
}
TestTransactionBuilder::TestTransactionBuilder(const BinaryArray& txTemplate, const Crypto::SecretKey& secretKey) {
tx = createTransaction(txTemplate);
tx->setTransactionSecretKey(secretKey);
}
PublicKey TestTransactionBuilder::getTransactionPublicKey() const {
return tx->getTransactionPublicKey();
}
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void TestTransactionBuilder::appendExtra(const BinaryArray& extraData) {
tx->appendExtra(extraData);
}
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void TestTransactionBuilder::setUnlockTime(uint64_t time) {
tx->setUnlockTime(time);
}
size_t TestTransactionBuilder::addTestInput(uint64_t amount, const AccountKeys& senderKeys) {
using namespace TransactionTypes;
TransactionTypes::InputKeyInfo info;
PublicKey targetKey;
CryptoNote::KeyPair srcTxKeys = CryptoNote::generateKeyPair();
derivePublicKey(senderKeys, srcTxKeys.publicKey, 5, targetKey);
TransactionTypes::GlobalOutput gout = { targetKey, 0 };
info.amount = amount;
info.outputs.push_back(gout);
info.realOutput.transactionIndex = 0;
info.realOutput.outputInTransaction = 5;
info.realOutput.transactionPublicKey = reinterpret_cast<const PublicKey&>(srcTxKeys.publicKey);
KeyPair ephKeys;
size_t idx = tx->addInput(senderKeys, info, ephKeys);
keys[idx] = std::make_pair(info, ephKeys);
return idx;
}
size_t TestTransactionBuilder::addTestInput(uint64_t amount, std::vector<uint32_t> gouts, const AccountKeys& senderKeys) {
using namespace TransactionTypes;
TransactionTypes::InputKeyInfo info;
PublicKey targetKey;
CryptoNote::KeyPair srcTxKeys = CryptoNote::generateKeyPair();
derivePublicKey(senderKeys, srcTxKeys.publicKey, 5, targetKey);
TransactionTypes::GlobalOutput gout = { targetKey, 0 };
info.amount = amount;
info.outputs.push_back(gout);
PublicKey pk;
SecretKey sk;
for (auto out : gouts) {
Crypto::generate_keys(pk, sk);
info.outputs.push_back(TransactionTypes::GlobalOutput{ pk, out });
}
info.realOutput.transactionIndex = 0;
info.realOutput.outputInTransaction = 5;
info.realOutput.transactionPublicKey = reinterpret_cast<const PublicKey&>(srcTxKeys.publicKey);
KeyPair ephKeys;
size_t idx = tx->addInput(senderKeys, info, ephKeys);
keys[idx] = std::make_pair(info, ephKeys);
return idx;
}
void TestTransactionBuilder::addInput(const AccountKeys& senderKeys, const TransactionOutputInformation& t) {
TransactionTypes::InputKeyInfo info;
info.amount = t.amount;
TransactionTypes::GlobalOutput globalOut;
globalOut.outputIndex = t.globalOutputIndex;
globalOut.targetKey = t.outputKey;
info.outputs.push_back(globalOut);
info.realOutput.outputInTransaction = t.outputInTransaction;
info.realOutput.transactionIndex = 0;
info.realOutput.transactionPublicKey = t.transactionPublicKey;
KeyPair ephKeys;
size_t idx = tx->addInput(senderKeys, info, ephKeys);
keys[idx] = std::make_pair(info, ephKeys);
}
void TestTransactionBuilder::addTestMultisignatureInput(uint64_t amount, const TransactionOutputInformation& t) {
MultisignatureInput input;
input.amount = amount;
input.outputIndex = t.globalOutputIndex;
input.signatureCount = t.requiredSignatures;
size_t idx = tx->addInput(input);
msigInputs[idx] = MsigInfo{ t.transactionPublicKey, t.outputInTransaction, getMsigAccounts() };
}
size_t TestTransactionBuilder::addFakeMultisignatureInput(uint64_t amount, uint32_t globalOutputIndex, size_t signatureCount) {
MultisignatureInput input;
input.amount = amount;
input.outputIndex = globalOutputIndex;
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input.signatureCount = static_cast<uint8_t>(signatureCount);
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size_t idx = tx->addInput(input);
std::vector<AccountBase> accs;
for (size_t i = 0; i < signatureCount; ++i) {
accs.push_back(generateAccount());
}
msigInputs[idx] = MsigInfo{ Crypto::rand<PublicKey>(), 0, std::move(accs) };
return idx;
}
TransactionOutputInformationIn TestTransactionBuilder::addTestKeyOutput(uint64_t amount, uint32_t globalOutputIndex, const AccountKeys& senderKeys) {
uint32_t index = static_cast<uint32_t>(tx->addOutput(amount, senderKeys.address));
uint64_t amount_;
KeyOutput output;
tx->getOutput(index, output, amount_);
TransactionOutputInformationIn outputInfo;
outputInfo.type = TransactionTypes::OutputType::Key;
outputInfo.amount = amount_;
outputInfo.globalOutputIndex = globalOutputIndex;
outputInfo.outputInTransaction = index;
outputInfo.transactionPublicKey = tx->getTransactionPublicKey();
outputInfo.outputKey = output.key;
outputInfo.keyImage = generateKeyImage(senderKeys, index, tx->getTransactionPublicKey());
return outputInfo;
}
TransactionOutputInformationIn TestTransactionBuilder::addTestMultisignatureOutput(uint64_t amount, std::vector<AccountPublicAddress>& addresses, uint32_t globalOutputIndex) {
uint32_t index = static_cast<uint32_t>(tx->addOutput(amount, addresses, static_cast<uint32_t>(addresses.size())));
uint64_t _amount;
MultisignatureOutput output;
tx->getOutput(index, output, _amount);
TransactionOutputInformationIn outputInfo;
outputInfo.type = TransactionTypes::OutputType::Multisignature;
outputInfo.amount = _amount;
outputInfo.globalOutputIndex = globalOutputIndex;
outputInfo.outputInTransaction = index;
outputInfo.transactionPublicKey = tx->getTransactionPublicKey();
// Doesn't used in multisignature output, so can contain garbage
outputInfo.keyImage = generateKeyImage();
outputInfo.requiredSignatures = output.requiredSignatureCount;
return outputInfo;
}
TransactionOutputInformationIn TestTransactionBuilder::addTestMultisignatureOutput(uint64_t amount, uint32_t globalOutputIndex) {
std::vector<AccountPublicAddress> multisigAddresses;
for (const auto& acc : getMsigAccounts()) {
multisigAddresses.push_back(acc.getAccountKeys().address);
}
return addTestMultisignatureOutput(amount, multisigAddresses, globalOutputIndex);
}
size_t TestTransactionBuilder::addOutput(uint64_t amount, const AccountPublicAddress& to) {
return tx->addOutput(amount, to);
}
size_t TestTransactionBuilder::addOutput(uint64_t amount, const KeyOutput& out) {
return tx->addOutput(amount, out);
}
size_t TestTransactionBuilder::addOutput(uint64_t amount, const MultisignatureOutput& out) {
return tx->addOutput(amount, out);
}
std::unique_ptr<ITransactionReader> TestTransactionBuilder::build() {
for (const auto& kv : keys) {
tx->signInputKey(kv.first, kv.second.first, kv.second.second);
}
for (const auto& kv : msigInputs) {
for (const auto& acc : kv.second.accounts) {
tx->signInputMultisignature(kv.first, kv.second.transactionKey, kv.second.outputIndex, acc.getAccountKeys());
}
}
transactionHash = tx->getTransactionHash();
keys.clear();
return std::move(tx);
}
Crypto::Hash TestTransactionBuilder::getTransactionHash() const {
return transactionHash;
}
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FusionTransactionBuilder::FusionTransactionBuilder(const Currency& currency, uint64_t amount) :
m_currency(currency),
m_amount(amount),
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m_firstInput(0),
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m_firstOutput(0),
m_fee(0),
m_extraSize(0),
m_inputCount(currency.fusionTxMinInputCount()) {
}
uint64_t FusionTransactionBuilder::getAmount() const {
return m_amount;
}
void FusionTransactionBuilder::setAmount(uint64_t val) {
m_amount = val;
}
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uint64_t FusionTransactionBuilder::getFirstInput() const {
return m_firstInput;
}
void FusionTransactionBuilder::setFirstInput(uint64_t val) {
m_firstInput = val;
}
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uint64_t FusionTransactionBuilder::getFirstOutput() const {
return m_firstOutput;
}
void FusionTransactionBuilder::setFirstOutput(uint64_t val) {
m_firstOutput = val;
}
uint64_t FusionTransactionBuilder::getFee() const {
return m_fee;
}
void FusionTransactionBuilder::setFee(uint64_t val) {
m_fee = val;
}
size_t FusionTransactionBuilder::getExtraSize() const {
return m_extraSize;
}
void FusionTransactionBuilder::setExtraSize(size_t val) {
m_extraSize = val;
}
size_t FusionTransactionBuilder::getInputCount() const {
return m_inputCount;
}
void FusionTransactionBuilder::setInputCount(size_t val) {
m_inputCount = val;
}
std::unique_ptr<ITransactionReader> FusionTransactionBuilder::buildReader() const {
assert(m_inputCount > 0);
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assert(m_firstInput <= m_amount);
assert(m_amount > m_currency.defaultDustThreshold());
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TestTransactionBuilder builder;
if (m_extraSize != 0) {
builder.appendExtra(BinaryArray(m_extraSize, 0));
}
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if (m_firstInput != 0) {
builder.addTestInput(m_firstInput);
}
if (m_amount > m_firstInput) {
builder.addTestInput(m_amount - m_firstInput - (m_inputCount - 1) * m_currency.defaultDustThreshold());
for (size_t i = 0; i < m_inputCount - 1; ++i) {
builder.addTestInput(m_currency.defaultDustThreshold());
}
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}
AccountPublicAddress address = generateAddress();
std::vector<uint64_t> outputAmounts;
assert(m_amount >= m_firstOutput + m_fee);
decomposeAmount(m_amount - m_firstOutput - m_fee, m_currency.defaultDustThreshold(), outputAmounts);
std::sort(outputAmounts.begin(), outputAmounts.end());
if (m_firstOutput != 0) {
builder.addOutput(m_firstOutput, address);
}
for (auto outAmount : outputAmounts) {
builder.addOutput(outAmount, address);
}
return builder.build();
}
Transaction FusionTransactionBuilder::buildTx() const {
return convertTx(*buildReader());
}
Transaction FusionTransactionBuilder::createFusionTransactionBySize(size_t targetSize) {
auto tx = buildReader();
size_t realSize = tx->getTransactionData().size();
if (realSize < targetSize) {
setExtraSize(targetSize - realSize);
tx = buildReader();
realSize = tx->getTransactionData().size();
if (realSize > targetSize) {
setExtraSize(getExtraSize() - 1);
tx = buildReader();
}
}
return convertTx(*tx);
}