danicoin/tests/UnitTests/TransactionApiHelpers.h

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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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#pragma once
#include "CryptoTypes.h"
#include "ITransaction.h"
#include "crypto/crypto.h"
#include "CryptoNoteCore/Account.h"
#include "CryptoNoteCore/CryptoNoteFormatUtils.h"
#include "CryptoNoteCore/CryptoNoteTools.h"
#include "Transfers/TransfersContainer.h"
namespace {
using namespace CryptoNote;
using namespace Crypto;
inline AccountKeys accountKeysFromKeypairs(
const KeyPair& viewKeys,
const KeyPair& spendKeys) {
AccountKeys ak;
ak.address.spendPublicKey = spendKeys.publicKey;
ak.address.viewPublicKey = viewKeys.publicKey;
ak.spendSecretKey = spendKeys.secretKey;
ak.viewSecretKey = viewKeys.secretKey;
return ak;
}
inline AccountKeys generateAccountKeys() {
KeyPair p1;
KeyPair p2;
Crypto::generate_keys(p2.publicKey, p2.secretKey);
Crypto::generate_keys(p1.publicKey, p1.secretKey);
return accountKeysFromKeypairs(p1, p2);
}
AccountBase generateAccount() {
AccountBase account;
account.generate();
return account;
}
AccountPublicAddress generateAddress() {
return generateAccount().getAccountKeys().address;
}
KeyImage generateKeyImage() {
return Crypto::rand<KeyImage>();
}
KeyImage generateKeyImage(const AccountKeys& keys, size_t idx, const PublicKey& txPubKey) {
KeyImage keyImage;
CryptoNote::KeyPair in_ephemeral;
CryptoNote::generate_key_image_helper(
keys,
txPubKey,
idx,
in_ephemeral,
keyImage);
return keyImage;
}
void addTestInput(ITransaction& transaction, uint64_t amount) {
KeyInput input;
input.amount = amount;
input.keyImage = generateKeyImage();
input.outputIndexes.emplace_back(1);
transaction.addInput(input);
}
TransactionOutputInformationIn addTestKeyOutput(ITransaction& transaction, uint64_t amount,
uint32_t globalOutputIndex, const AccountKeys& senderKeys = generateAccountKeys()) {
uint32_t index = static_cast<uint32_t>(transaction.addOutput(amount, senderKeys.address));
uint64_t amount_;
KeyOutput output;
transaction.getOutput(index, output, amount_);
TransactionOutputInformationIn outputInfo;
outputInfo.type = TransactionTypes::OutputType::Key;
outputInfo.amount = amount_;
outputInfo.globalOutputIndex = globalOutputIndex;
outputInfo.outputInTransaction = index;
outputInfo.transactionPublicKey = transaction.getTransactionPublicKey();
outputInfo.outputKey = output.key;
outputInfo.keyImage = generateKeyImage(senderKeys, index, transaction.getTransactionPublicKey());
return outputInfo;
}
inline Transaction convertTx(ITransactionReader& tx) {
Transaction oldTx;
fromBinaryArray(oldTx, tx.getTransactionData()); // ignore return code
return oldTx;
}
}
namespace CryptoNote {
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class TestTransactionBuilder {
public:
TestTransactionBuilder();
TestTransactionBuilder(const BinaryArray& txTemplate, const Crypto::SecretKey& secretKey);
PublicKey getTransactionPublicKey() const;
void appendExtra(const BinaryArray& extraData);
void setUnlockTime(uint64_t time);
// inputs
size_t addTestInput(uint64_t amount, const AccountKeys& senderKeys = generateAccountKeys());
size_t addTestInput(uint64_t amount, std::vector<uint32_t> gouts, const AccountKeys& senderKeys = generateAccountKeys());
void addTestMultisignatureInput(uint64_t amount, const TransactionOutputInformation& t);
size_t addFakeMultisignatureInput(uint64_t amount, uint32_t globalOutputIndex, size_t signatureCount);
void addInput(const AccountKeys& senderKeys, const TransactionOutputInformation& t);
// outputs
TransactionOutputInformationIn addTestKeyOutput(uint64_t amount, uint32_t globalOutputIndex, const AccountKeys& senderKeys = generateAccountKeys());
TransactionOutputInformationIn addTestMultisignatureOutput(uint64_t amount, uint32_t globalOutputIndex);
TransactionOutputInformationIn addTestMultisignatureOutput(uint64_t amount, std::vector<AccountPublicAddress>& addresses, uint32_t globalOutputIndex);
size_t addOutput(uint64_t amount, const AccountPublicAddress& to);
size_t addOutput(uint64_t amount, const KeyOutput& out);
size_t addOutput(uint64_t amount, const MultisignatureOutput& out);
// final step
std::unique_ptr<ITransactionReader> build();
// get built transaction hash (call only after build)
Crypto::Hash getTransactionHash() const;
private:
void derivePublicKey(const AccountKeys& reciever, const Crypto::PublicKey& srcTxKey, size_t outputIndex, PublicKey& ephemeralKey) {
Crypto::KeyDerivation derivation;
Crypto::generate_key_derivation(srcTxKey, reinterpret_cast<const Crypto::SecretKey&>(reciever.viewSecretKey), derivation);
Crypto::derive_public_key(derivation, outputIndex,
reinterpret_cast<const Crypto::PublicKey&>(reciever.address.spendPublicKey),
reinterpret_cast<Crypto::PublicKey&>(ephemeralKey));
}
struct MsigInfo {
PublicKey transactionKey;
size_t outputIndex;
std::vector<AccountBase> accounts;
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};
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std::unordered_map<size_t, std::pair<TransactionTypes::InputKeyInfo, KeyPair>> keys;
std::unordered_map<size_t, MsigInfo> msigInputs;
std::unique_ptr<ITransaction> tx;
Crypto::Hash transactionHash;
};
class FusionTransactionBuilder {
public:
FusionTransactionBuilder(const Currency& currency, uint64_t amount);
uint64_t getAmount() const;
void setAmount(uint64_t val);
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uint64_t getFirstInput() const;
void setFirstInput(uint64_t val);
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uint64_t getFirstOutput() const;
void setFirstOutput(uint64_t val);
uint64_t getFee() const;
void setFee(uint64_t val);
size_t getExtraSize() const;
void setExtraSize(size_t val);
size_t getInputCount() const;
void setInputCount(size_t val);
std::unique_ptr<ITransactionReader> buildReader() const;
Transaction buildTx() const;
Transaction createFusionTransactionBySize(size_t targetSize);
private:
const Currency& m_currency;
uint64_t m_amount;
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uint64_t m_firstInput;
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uint64_t m_firstOutput;
uint64_t m_fee;
size_t m_extraSize;
size_t m_inputCount;
};
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}
namespace CryptoNote {
inline bool operator == (const AccountKeys& a, const AccountKeys& b) {
return memcmp(&a, &b, sizeof(a)) == 0;
}
}