solidity/block.cpp
2015-02-13 12:38:38 +01:00

400 lines
15 KiB
C++

/*
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 <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)
{
RLPStream rlpStream;
rlpStream.appendList(_tObj.size());
if (_tObj.count("parentHash") > 0)
rlpStream << importByteArray(_tObj["parentHash"].get_str());
if (_tObj.count("uncleHash") > 0)
rlpStream << importByteArray(_tObj["uncleHash"].get_str());
if (_tObj.count("coinbase") > 0)
rlpStream << importByteArray(_tObj["coinbase"].get_str());
if (_tObj.count("stateRoot") > 0)
rlpStream << importByteArray(_tObj["stateRoot"].get_str());
if (_tObj.count("transactionsTrie") > 0)
rlpStream << importByteArray(_tObj["transactionsTrie"].get_str());
if (_tObj.count("receiptTrie") > 0)
rlpStream << importByteArray(_tObj["receiptTrie"].get_str());
if (_tObj.count("bloom") > 0)
rlpStream << importByteArray(_tObj["bloom"].get_str());
if (_tObj.count("difficulty") > 0)
rlpStream << bigint(_tObj["difficulty"].get_str());
if (_tObj.count("number") > 0)
rlpStream << bigint(_tObj["number"].get_str());
if (_tObj.count("gasLimit") > 0)
rlpStream << bigint(_tObj["gasLimit"].get_str());
if (_tObj.count("gasUsed") > 0)
rlpStream << bigint(_tObj["gasUsed"].get_str());
if (_tObj.count("timestamp") > 0)
rlpStream << bigint(_tObj["timestamp"].get_str());
if (_tObj.count("extraData") > 0)
rlpStream << importByteArray(_tObj["extraData"].get_str());
if (_tObj.count("nonce") > 0)
rlpStream << importByteArray(_tObj["nonce"].get_str());
return rlpStream.out();
}
void doBlockTests(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") > 0);
cout << "construc genesis\n";
// construct RLP of the genesis block
const bytes c_blockRLP = createBlockRLPFromFields(o["genesisBlockHeader"].get_obj());
const RLP c_bRLP(c_blockRLP);
BlockInfo blockFromFields;
try
{
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());
return;
}
catch (std::exception const& _e)
{
BOOST_ERROR("Failed block population with Exception: " << _e.what());
return;
}
catch(...)
{
cnote << "block population did throw an unknown exception\n";
return;
}
BOOST_REQUIRE(o.count("pre") > 0);
cout << "read state\n";
ImportTest importer(o["pre"].get_obj());
State state(Address(), OverlayDB(), BaseState::Empty);
importer.importState(o["pre"].get_obj(), state);
// commit changes to DB
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;
MineInfo ret;
tie(ret, blockFromFields.nonce) = pow.mine(blockFromFields.headerHash(WithoutNonce), blockFromFields.difficulty, 1000, true, false);
//update genesis block in json file
o["genesisBlockHeader"].get_obj()["stateRoot"] = toString(blockFromFields.stateRoot);
o["genesisBlockHeader"].get_obj()["nonce"] = toString(blockFromFields.nonce);
}
// 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);
cout << "constructed bc\n";
if (_fillin)
{
BOOST_REQUIRE(o.count("transactions") > 0);
cout << "read transactions\n";
TransactionQueue txs;
for (auto const& txObj: o["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
cout << "number of valid txs: " << txs.transactions().size();
mArray txArray;
for (auto const& txi: txs.transactions())
{
Transaction tx(txi.second, CheckSignature::Sender);
mObject txObject;
txObject["nonce"] = toString(tx.nonce());
txObject["data"] = 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"] = toString(tx.receiveAddress());
txObject["value"] = toString(tx.value());
txArray.push_back(txObject);
}
o["transactions"] = txArray;
o["rlp"] = "0x" + toHex(state.blockData());
// write block header
mObject oBlockHeader;
BlockInfo current_BlockHeader = state.info();
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"] = toHex(current_BlockHeader.extraData);
oBlockHeader["nonce"] = toString(current_BlockHeader.nonce);
o["blockHeader"] = oBlockHeader;
// write uncle list
mArray aUncleList; // as of now, our parent is always the genesis block, so we can not have uncles.
o["uncleHeaders"] = aUncleList;
}
else
{
try
{
state.sync(bc);
bytes blockRLP = importByteArray(o["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(o.count("blockHeader") == 0);
BOOST_CHECK(o.count("transactions") == 0);
BOOST_CHECK(o.count("uncleHeaders") == 0);
}
catch (std::exception const& _e)
{
cnote << "state sync or block import did throw an exception: " << _e.what();
BOOST_CHECK(o.count("blockHeader") == 0);
BOOST_CHECK(o.count("transactions") == 0);
BOOST_CHECK(o.count("uncleHeaders") == 0);
}
catch(...)
{
cnote << "state sync or block import did throw an exception\n";
BOOST_CHECK(o.count("blockHeader") == 0);
BOOST_CHECK(o.count("transactions") == 0);
BOOST_CHECK(o.count("uncleHeaders") == 0);
}
BOOST_REQUIRE(o.count("blockHeader") > 0);
mObject tObj = o["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.nonce == blockFromRlp.nonce, "nonce in given RLP not matching the block nonce!");
BOOST_CHECK_MESSAGE(blockHeaderFromFields == blockFromRlp, "However, blockHeaderFromFields != blockFromRlp!");
cout << "checked block header bc\n";
//Check transaction list
Transactions txsFromField;
for (auto const& txObj: o["transactions"].get_array())
{
mObject tx = txObj.get_obj();
cout << "read single tx\n";
BOOST_REQUIRE(tx.count("nonce") > 0);
BOOST_REQUIRE(tx.count("gasPrice") > 0);
BOOST_REQUIRE(tx.count("gasLimit") > 0);
BOOST_REQUIRE(tx.count("to") > 0);
BOOST_REQUIRE(tx.count("value") > 0);
BOOST_REQUIRE(tx.count("v") > 0);
BOOST_REQUIRE(tx.count("r") > 0);
BOOST_REQUIRE(tx.count("s") > 0);
BOOST_REQUIRE(tx.count("data") > 0);
cout << "construct single tx\n";
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)
{
cout << _e.what() << endl;
}
}
cout << "read txs bc\n";
Transactions txsFromRlp;
bytes blockRLP = importByteArray(o["rlp"].get_str());
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], "however, transactions in rlp and in field do not match");
}
cout << "checked txs bc\n";
// check uncle list
BOOST_CHECK_MESSAGE((o["uncleList"].type() == json_spirit::null_type ? 0 : o["uncleList"].get_array().size()) == 0, "Uncle list is not empty, but the genesis block can not have uncles");
}
}
}
} }// Namespace Close
BOOST_AUTO_TEST_SUITE(BlockTests)
BOOST_AUTO_TEST_CASE(blValidBlockTest)
{
dev::test::executeTests("blValidBlockTest", "/BlockTests", dev::test::doBlockTests);
}
BOOST_AUTO_TEST_CASE(userDefinedFileBl)
{
dev::test::userDefinedTest("--bltest", dev::test::doBlockTests);
}
BOOST_AUTO_TEST_SUITE_END()