/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file block.cpp
* @author Christoph Jentzsch <cj@ethdev.com>
* @date 2015
* block test functions.
*/
#include <libdevcrypto/FileSystem.h>
#include <libethereum/CanonBlockChain.h>
#include "TestHelper.h"
using namespace std;
using namespace json_spirit;
using namespace dev;
using namespace dev::eth;
namespace dev { namespace test {
bytes createBlockRLPFromFields(mObject& _tObj);
void overwriteBlockHeader(BlockInfo& current_BlockHeader, mObject& blObj);
void doBlockchainTests(json_spirit::mValue& _v, bool _fillin)
{
for (auto& i: _v.get_obj())
{
cerr << i.first << endl;
mObject& o = i.second.get_obj();
BOOST_REQUIRE(o.count("genesisBlockHeader"));
BlockInfo blockFromFields;
try
{
// construct genesis block
const bytes c_blockRLP = createBlockRLPFromFields(o["genesisBlockHeader"].get_obj());
const RLP c_bRLP(c_blockRLP);
blockFromFields.populateFromHeader(c_bRLP, false);
}
catch (Exception const& _e)
{
cnote << "block population did throw an exception: " << diagnostic_information(_e);
BOOST_ERROR("Failed block population with Exception: " << _e.what());
continue;
}
catch (std::exception const& _e)
{
BOOST_ERROR("Failed block population with Exception: " << _e.what());
continue;
}
catch(...)
{
cnote << "block population did throw an unknown exception\n";
continue;
}
BOOST_REQUIRE(o.count("pre"));
ImportTest importer(o["pre"].get_obj());
State state(Address(), OverlayDB(), BaseState::Empty);
importer.importState(o["pre"].get_obj(), state);
state.commit();
if (_fillin)
blockFromFields.stateRoot = state.rootHash();
else
BOOST_CHECK_MESSAGE(blockFromFields.stateRoot == state.rootHash(), "root hash does not match");
if (_fillin)
{
// find new valid nonce
ProofOfWork pow;
std::pair<MineInfo, Ethash::Proof> ret;
while (!ProofOfWork::verify(blockFromFields))
{
ret = pow.mine(blockFromFields, 1000, true, true); // tie(ret, blockFromFields.nonce)
Ethash::assignResult(ret.second, blockFromFields);
}
//update genesis block in json file
o["genesisBlockHeader"].get_obj()["stateRoot"] = toString(blockFromFields.stateRoot);
o["genesisBlockHeader"].get_obj()["nonce"] = toString(blockFromFields.nonce);
o["genesisBlockHeader"].get_obj()["mixHash"] = toString(blockFromFields.mixHash);
o["genesisBlockHeader"].get_obj()["hash"] = toString(blockFromFields.headerHash(WithNonce));
}
// create new "genesis" block
RLPStream rlpStream;
blockFromFields.streamRLP(rlpStream, WithNonce);
RLPStream block(3);
block.appendRaw(rlpStream.out());
block.appendRaw(RLPEmptyList);
block.appendRaw(RLPEmptyList);
blockFromFields.verifyInternals(&block.out());
// construct blockchain
BlockChain bc(block.out(), string(), true);
if (_fillin)
{
BOOST_REQUIRE(o.count("blocks"));
mArray blArray;
for (auto const& bl: o["blocks"].get_array())
{
mObject blObj = bl.get_obj();
BOOST_REQUIRE(blObj.count("transactions"));
TransactionQueue txs;
for (auto const& txObj: blObj["transactions"].get_array())
{
mObject tx = txObj.get_obj();
importer.importTransaction(tx);
if (!txs.attemptImport(importer.m_transaction.rlp()))
cnote << "failed importing transaction\n";
}
try
{
state.sync(bc);
state.sync(bc,txs);
state.commitToMine(bc);
MineInfo info;
for (info.completed = false; !info.completed; info = state.mine()) {}
state.completeMine();
}
catch (Exception const& _e)
{
cnote << "state sync or mining did throw an exception: " << diagnostic_information(_e);
return;
}
catch (std::exception const& _e)
{
cnote << "state sync or mining did throw an exception: " << _e.what();
return;
}
// write valid txs
mArray txArray;
Transactions txList;
for (auto const& txi: txs.transactions())
{
Transaction tx(txi.second, CheckSignature::Sender);
txList.push_back(tx);
mObject txObject;
txObject["nonce"] = toString(tx.nonce());
txObject["data"] = "0x" + toHex(tx.data());
txObject["gasLimit"] = toString(tx.gas());
txObject["gasPrice"] = toString(tx.gasPrice());
txObject["r"] = "0x" + toString(tx.signature().r);
txObject["s"] = "0x" + toString(tx.signature().s);
txObject["v"] = to_string(tx.signature().v + 27);
txObject["to"] = tx.isCreation() ? "" : toString(tx.receiveAddress());
txObject["value"] = toString(tx.value());
txArray.push_back(txObject);
}
blObj["transactions"] = txArray;
blObj["rlp"] = "0x" + toHex(state.blockData());
BlockInfo current_BlockHeader = state.info();
// overwrite blockheader with (possible wrong) data from "blockheader" in filler;
if (blObj.count("blockHeader"))
{
overwriteBlockHeader(current_BlockHeader, blObj);
}
// write block header
mObject oBlockHeader;
oBlockHeader["parentHash"] = toString(current_BlockHeader.parentHash);
oBlockHeader["uncleHash"] = toString(current_BlockHeader.sha3Uncles);
oBlockHeader["coinbase"] = toString(current_BlockHeader.coinbaseAddress);
oBlockHeader["stateRoot"] = toString(current_BlockHeader.stateRoot);
oBlockHeader["transactionsTrie"] = toString(current_BlockHeader.transactionsRoot);
oBlockHeader["receiptTrie"] = toString(current_BlockHeader.receiptsRoot);
oBlockHeader["bloom"] = toString(current_BlockHeader.logBloom);
oBlockHeader["difficulty"] = toString(current_BlockHeader.difficulty);
oBlockHeader["number"] = toString(current_BlockHeader.number);
oBlockHeader["gasLimit"] = toString(current_BlockHeader.gasLimit);
oBlockHeader["gasUsed"] = toString(current_BlockHeader.gasUsed);
oBlockHeader["timestamp"] = toString(current_BlockHeader.timestamp);
oBlockHeader["extraData"] ="0x" + toHex(current_BlockHeader.extraData);
oBlockHeader["mixHash"] = toString(current_BlockHeader.mixHash);
oBlockHeader["seedHash"] = toString(current_BlockHeader.seedHash);
oBlockHeader["nonce"] = toString(current_BlockHeader.nonce);
oBlockHeader["hash"] = toString(current_BlockHeader.hash);
blObj["blockHeader"] = oBlockHeader;
// write uncle list
mArray aUncleList; // as of now, our parent is always the genesis block, so we can not have uncles.
blObj["uncleHeaders"] = aUncleList;
//txs:
RLPStream txStream;
txStream.appendList(txList.size());
for (unsigned i = 0; i < txList.size(); ++i)
{
RLPStream txrlp;
txList[i].streamRLP(txrlp);
txStream.appendRaw(txrlp.out());
}
RLPStream rlpStream2;
current_BlockHeader.streamRLP(rlpStream2, WithNonce);
RLPStream block2(3);
block2.appendRaw(rlpStream2.out());
block2.appendRaw(txStream.out());
block2.appendRaw(RLPEmptyList);
blObj["rlp"] = "0x" + toHex(block2.out());
if (sha3(RLP(state.blockData())[0].data()) != sha3(RLP(block2.out())[0].data()))
cnote << "block header mismatch\n";
if (sha3(RLP(state.blockData())[1].data()) != sha3(RLP(block2.out())[1].data()))
cnote << "txs mismatch\n";
if (sha3(RLP(state.blockData())[2].data()) != sha3(RLP(block2.out())[2].data()))
cnote << "uncle list mismatch\n";
try
{
state.sync(bc);
bc.import(block2.out(), state.db());
state.sync(bc);
}
// if exception is thrown, RLP is invalid and no blockHeader, Transaction list, or Uncle list should be given
catch (...)
{
cnote << "block is invalid!\n";
blObj.erase(blObj.find("blockHeader"));
blObj.erase(blObj.find("uncleHeaders"));
blObj.erase(blObj.find("transactions"));
}
blArray.push_back(blObj);
}
o["blocks"] = blArray;
}
else
{
for (auto const& bl: o["blocks"].get_array())
{
mObject blObj = bl.get_obj();
bytes blockRLP;
try
{
state.sync(bc);
blockRLP = importByteArray(blObj["rlp"].get_str());
bc.import(blockRLP, state.db());
state.sync(bc);
}
// if exception is thrown, RLP is invalid and no blockHeader, Transaction list, or Uncle list should be given
catch (Exception const& _e)
{
cnote << "state sync or block import did throw an exception: " << diagnostic_information(_e);
BOOST_CHECK(blObj.count("blockHeader") == 0);
BOOST_CHECK(blObj.count("transactions") == 0);
BOOST_CHECK(blObj.count("uncleHeaders") == 0);
continue;
}
catch (std::exception const& _e)
{
cnote << "state sync or block import did throw an exception: " << _e.what();
BOOST_CHECK(blObj.count("blockHeader") == 0);
BOOST_CHECK(blObj.count("transactions") == 0);
BOOST_CHECK(blObj.count("uncleHeaders") == 0);
continue;
}
catch(...)
{
cnote << "state sync or block import did throw an exception\n";
BOOST_CHECK(blObj.count("blockHeader") == 0);
BOOST_CHECK(blObj.count("transactions") == 0);
BOOST_CHECK(blObj.count("uncleHeaders") == 0);
continue;
}
BOOST_REQUIRE(blObj.count("blockHeader"));
mObject tObj = blObj["blockHeader"].get_obj();
BlockInfo blockHeaderFromFields;
const bytes c_rlpBytesBlockHeader = createBlockRLPFromFields(tObj);
const RLP c_blockHeaderRLP(c_rlpBytesBlockHeader);
blockHeaderFromFields.populateFromHeader(c_blockHeaderRLP, false);
BlockInfo blockFromRlp = bc.info();
//Check the fields restored from RLP to original fields
BOOST_CHECK_MESSAGE(blockHeaderFromFields.headerHash(WithNonce) == blockFromRlp.headerHash(WithNonce), "hash in given RLP not matching the block hash!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.parentHash == blockFromRlp.parentHash, "parentHash in given RLP not matching the block parentHash!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.sha3Uncles == blockFromRlp.sha3Uncles, "sha3Uncles in given RLP not matching the block sha3Uncles!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.coinbaseAddress == blockFromRlp.coinbaseAddress,"coinbaseAddress in given RLP not matching the block coinbaseAddress!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.stateRoot == blockFromRlp.stateRoot, "stateRoot in given RLP not matching the block stateRoot!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.transactionsRoot == blockFromRlp.transactionsRoot, "transactionsRoot in given RLP not matching the block transactionsRoot!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.receiptsRoot == blockFromRlp.receiptsRoot, "receiptsRoot in given RLP not matching the block receiptsRoot!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.logBloom == blockFromRlp.logBloom, "logBloom in given RLP not matching the block logBloom!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.difficulty == blockFromRlp.difficulty, "difficulty in given RLP not matching the block difficulty!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.number == blockFromRlp.number, "number in given RLP not matching the block number!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.gasLimit == blockFromRlp.gasLimit,"gasLimit in given RLP not matching the block gasLimit!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.gasUsed == blockFromRlp.gasUsed, "gasUsed in given RLP not matching the block gasUsed!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.timestamp == blockFromRlp.timestamp, "timestamp in given RLP not matching the block timestamp!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.extraData == blockFromRlp.extraData, "extraData in given RLP not matching the block extraData!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.mixHash == blockFromRlp.mixHash, "mixHash in given RLP not matching the block mixHash!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.seedHash == blockFromRlp.seedHash, "transactionsRoot in given RLP not matching the block transactionsRoot!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields.nonce == blockFromRlp.nonce, "nonce in given RLP not matching the block nonce!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields == blockFromRlp, "However, blockHeaderFromFields != blockFromRlp!");
//Check transaction list
Transactions txsFromField;
for (auto const& txObj: blObj["transactions"].get_array())
{
mObject tx = txObj.get_obj();
BOOST_REQUIRE(tx.count("nonce"));
BOOST_REQUIRE(tx.count("gasPrice"));
BOOST_REQUIRE(tx.count("gasLimit"));
BOOST_REQUIRE(tx.count("to"));
BOOST_REQUIRE(tx.count("value"));
BOOST_REQUIRE(tx.count("v"));
BOOST_REQUIRE(tx.count("r"));
BOOST_REQUIRE(tx.count("s"));
BOOST_REQUIRE(tx.count("data"));
try
{
Transaction t(createRLPStreamFromTransactionFields(tx).out(), CheckSignature::Sender);
txsFromField.push_back(t);
}
catch (Exception const& _e)
{
BOOST_ERROR("Failed transaction constructor with Exception: " << diagnostic_information(_e));
}
catch (exception const& _e)
{
cnote << _e.what();
}
}
Transactions txsFromRlp;
RLP root(blockRLP);
for (auto const& tr: root[1])
{
Transaction tx(tr.data(), CheckSignature::Sender);
txsFromRlp.push_back(tx);
}
BOOST_CHECK_MESSAGE(txsFromRlp.size() == txsFromField.size(), "transaction list size does not match");
for (size_t i = 0; i < txsFromField.size(); ++i)
{
BOOST_CHECK_MESSAGE(txsFromField[i].data() == txsFromRlp[i].data(), "transaction data in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].gas() == txsFromRlp[i].gas(), "transaction gasLimit in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].gasPrice() == txsFromRlp[i].gasPrice(), "transaction gasPrice in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].nonce() == txsFromRlp[i].nonce(), "transaction nonce in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].signature().r == txsFromRlp[i].signature().r, "transaction r in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].signature().s == txsFromRlp[i].signature().s, "transaction s in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].signature().v == txsFromRlp[i].signature().v, "transaction v in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].receiveAddress() == txsFromRlp[i].receiveAddress(), "transaction receiveAddress in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].value() == txsFromRlp[i].value(), "transaction receiveAddress in rlp and in field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i] == txsFromRlp[i], "transactions from rlp and transaction from field do not match");
BOOST_CHECK_MESSAGE(txsFromField[i].rlp() == txsFromRlp[i].rlp(), "transactions rlp do not match");
}
// check uncle list
BOOST_CHECK_MESSAGE((blObj["uncleList"].type() == json_spirit::null_type ? 0 : blObj["uncleList"].get_array().size()) == 0, "Uncle list is not empty, but the genesis block can not have uncles");
}
}
}
}
bytes createBlockRLPFromFields(mObject& _tObj)
{
RLPStream rlpStream;
rlpStream.appendList(_tObj.count("hash") > 0 ? (_tObj.size() - 1) : _tObj.size());
if (_tObj.count("parentHash"))
rlpStream << importByteArray(_tObj["parentHash"].get_str());
if (_tObj.count("uncleHash"))
rlpStream << importByteArray(_tObj["uncleHash"].get_str());
if (_tObj.count("coinbase"))
rlpStream << importByteArray(_tObj["coinbase"].get_str());
if (_tObj.count("stateRoot"))
rlpStream << importByteArray(_tObj["stateRoot"].get_str());
if (_tObj.count("transactionsTrie"))
rlpStream << importByteArray(_tObj["transactionsTrie"].get_str());
if (_tObj.count("receiptTrie"))
rlpStream << importByteArray(_tObj["receiptTrie"].get_str());
if (_tObj.count("bloom"))
rlpStream << importByteArray(_tObj["bloom"].get_str());
if (_tObj.count("difficulty"))
rlpStream << bigint(_tObj["difficulty"].get_str());
if (_tObj.count("number"))
rlpStream << bigint(_tObj["number"].get_str());
if (_tObj.count("gasLimit"))
rlpStream << bigint(_tObj["gasLimit"].get_str());
if (_tObj.count("gasUsed"))
rlpStream << bigint(_tObj["gasUsed"].get_str());
if (_tObj.count("timestamp"))
rlpStream << bigint(_tObj["timestamp"].get_str());
if (_tObj.count("extraData"))
rlpStream << fromHex(_tObj["extraData"].get_str());
if (_tObj.count("seedHash"))
rlpStream << importByteArray(_tObj["seedHash"].get_str());
if (_tObj.count("mixHash"))
rlpStream << importByteArray(_tObj["mixHash"].get_str());
if (_tObj.count("nonce"))
rlpStream << importByteArray(_tObj["nonce"].get_str());
return rlpStream.out();
}
void overwriteBlockHeader(BlockInfo& current_BlockHeader, mObject& blObj)
{
if (blObj["blockHeader"].get_obj().size() != 14)
{
BlockInfo tmp = current_BlockHeader;
if (blObj["blockHeader"].get_obj().count("parentHash"))
tmp.parentHash = h256(blObj["blockHeader"].get_obj()["parentHash"].get_str());
if (blObj["blockHeader"].get_obj().count("uncleHash"))
tmp.sha3Uncles = h256(blObj["blockHeader"].get_obj()["uncleHash"].get_str());
if (blObj["blockHeader"].get_obj().count("coinbase"))
tmp.coinbaseAddress = Address(blObj["blockHeader"].get_obj()["coinbase"].get_str());
if (blObj["blockHeader"].get_obj().count("stateRoot"))
tmp.stateRoot = h256(blObj["blockHeader"].get_obj()["stateRoot"].get_str());
if (blObj["blockHeader"].get_obj().count("transactionsTrie"))
tmp.transactionsRoot = h256(blObj["blockHeader"].get_obj()["transactionsTrie"].get_str());
if (blObj["blockHeader"].get_obj().count("receiptTrie"))
tmp.receiptsRoot = h256(blObj["blockHeader"].get_obj()["receiptTrie"].get_str());
if (blObj["blockHeader"].get_obj().count("bloom"))
tmp.logBloom = LogBloom(blObj["blockHeader"].get_obj()["bloom"].get_str());
if (blObj["blockHeader"].get_obj().count("difficulty"))
tmp.difficulty = toInt(blObj["blockHeader"].get_obj()["difficulty"]);
if (blObj["blockHeader"].get_obj().count("number"))
tmp.number = toInt(blObj["blockHeader"].get_obj()["number"]);
if (blObj["blockHeader"].get_obj().count("gasLimit"))
tmp.gasLimit = toInt(blObj["blockHeader"].get_obj()["gasLimit"]);
if (blObj["blockHeader"].get_obj().count("gasUsed"))
tmp.gasUsed = toInt(blObj["blockHeader"].get_obj()["gasUsed"]);
if (blObj["blockHeader"].get_obj().count("timestamp"))
tmp.timestamp = toInt(blObj["blockHeader"].get_obj()["timestamp"]);
if (blObj["blockHeader"].get_obj().count("extraData"))
tmp.extraData = importByteArray(blObj["blockHeader"].get_obj()["extraData"].get_str());
if (blObj["blockHeader"].get_obj().count("mixHash"))
tmp.mixHash = h256(blObj["blockHeader"].get_obj()["mixHash"].get_str());
if (blObj["blockHeader"].get_obj().count("seedHash"))
tmp.seedHash = h256(blObj["blockHeader"].get_obj()["seedHash"].get_str());
// find new valid nonce
if (tmp != current_BlockHeader)
{
current_BlockHeader = tmp;
ProofOfWork pow;
std::pair<MineInfo, Ethash::Proof> ret;
while (!ProofOfWork::verify(current_BlockHeader))
{
ret = pow.mine(current_BlockHeader, 1000, true, true); // tie(ret, blockFromFields.nonce)
Ethash::assignResult(ret.second, current_BlockHeader);
}
}
}
else
{
// take the blockheader as is
const bytes c_blockRLP = createBlockRLPFromFields(blObj["blockHeader"].get_obj());
const RLP c_bRLP(c_blockRLP);
current_BlockHeader.populateFromHeader(c_bRLP, false);
}
}
} }// Namespace Close
BOOST_AUTO_TEST_SUITE(BlockChainTests)
BOOST_AUTO_TEST_CASE(bcBlockChainTest)
{
dev::test::executeTests("bcBlockChainTest", "/BlockTests", dev::test::doBlockchainTests);
}
BOOST_AUTO_TEST_CASE(bcValidBlockTest)
{
dev::test::executeTests("bcValidBlockTest", "/BlockTests", dev::test::doBlockchainTests);
}
BOOST_AUTO_TEST_CASE(bcInvalidHeaderTest)
{
dev::test::executeTests("bcInvalidHeaderTest", "/BlockTests", dev::test::doBlockchainTests);
}
//BOOST_AUTO_TEST_CASE(bcUncleTest)
//{
// dev::test::executeTests("bcUncleTest", "/BlockTests", dev::test::doBlockchainTests);
//}
BOOST_AUTO_TEST_CASE(userDefinedFileBc)
{
dev::test::userDefinedTest("--bctest", dev::test::doBlockchainTests);
}
BOOST_AUTO_TEST_SUITE_END()
