1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
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 createRandomStateTest.cpp
* @author Christoph Jentzsch <jentzsch.simulationsoftware@gmail.com>
* @date 2015
* Creating a random state test.
*/
#include <string>
#include <iostream>
#include <chrono>
#include <boost/random.hpp>
#include <boost/filesystem/path.hpp>
#pragma GCC diagnostic ignored "-Wunused-parameter"
#include <json_spirit/json_spirit.h>
#include <json_spirit/json_spirit_reader_template.h>
#include <json_spirit/json_spirit_writer_template.h>
#include <libdevcore/CommonIO.h>
#include <libdevcore/CommonData.h>
#include <libevmcore/Instruction.h>
#include <libevm/VMFactory.h>
#include "TestHelper.h"
#include "vm.h"
using namespace std;
using namespace json_spirit;
using namespace dev;
void doStateTests(json_spirit::mValue& _v);
int main(int argc, char *argv[])
{
g_logVerbosity = 0;
// create random code
boost::random::mt19937 gen;
auto now = chrono::steady_clock::now().time_since_epoch();
auto timeSinceEpoch = chrono::duration_cast<chrono::nanoseconds>(now).count();
gen.seed(static_cast<unsigned int>(timeSinceEpoch));
// set min and max length of the random evm code
boost::random::uniform_int_distribution<> lengthOfCodeDist(8, 24);
boost::random::uniform_int_distribution<> reasonableInputValuesSize(0, 7);
boost::random::uniform_int_distribution<> opcodeDist(0, 255);
boost::random::uniform_int_distribution<> BlockInfoOpcodeDist(0x40, 0x45);
boost::random::uniform_int_distribution<> uniformInt(0, 0x7fffffff);
boost::random::variate_generator<boost::mt19937&, boost::random::uniform_int_distribution<> > randGenInputValue(gen, reasonableInputValuesSize);
boost::random::variate_generator<boost::mt19937&, boost::random::uniform_int_distribution<> > randGenUniformInt(gen, uniformInt);
boost::random::variate_generator<boost::mt19937&, boost::random::uniform_int_distribution<> > randGen(gen, opcodeDist);
boost::random::variate_generator<boost::mt19937&, boost::random::uniform_int_distribution<> > randGenBlockInfoOpcode(gen, BlockInfoOpcodeDist);
std::vector<u256> reasonableInputValues;
reasonableInputValues.push_back(0);
reasonableInputValues.push_back(1);
reasonableInputValues.push_back(50000);
reasonableInputValues.push_back(u256("0x10000000000000000000000000000000000000000"));
reasonableInputValues.push_back(u256("0xffffffffffffffffffffffffffffffffffffffff"));
reasonableInputValues.push_back(u256("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"));
reasonableInputValues.push_back(u256("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
reasonableInputValues.push_back(u256("0x945304eb96065b2a98b57a48a06ae28d285a71b5"));
reasonableInputValues.push_back(randGenUniformInt());
int lengthOfCode = lengthOfCodeDist(gen);
string randomCode;
for (int i = 0; i < lengthOfCode; ++i)
{
// pre-fill stack to avoid that most of the test fail with a stackunderflow
if (i < 8 && (randGen() < 192))
{
randomCode += randGen() < 32 ? toHex(toCompactBigEndian((uint8_t)randGenBlockInfoOpcode())) : "7f" + toHex(reasonableInputValues[randGenInputValue()]);
continue;
}
uint8_t opcode = randGen();
// disregard all invalid commands, except of one (0x0c)
if ((dev::eth::isValidInstruction(dev::eth::Instruction(opcode)) || (randGen() > 250)))
randomCode += toHex(toCompactBigEndian(opcode));
else
i--;
}
string const s = R"(
{
"randomStatetest" : {
"env" : {
"currentCoinbase" : "945304eb96065b2a98b57a48a06ae28d285a71b5",
"currentDifficulty" : "5623894562375",
"currentGasLimit" : "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"currentNumber" : "0",
"currentTimestamp" : "1",
"previousHash" : "5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"
},
"pre" : {
"095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
"balance" : "0",
"code" : "0x6001600101600055",
"nonce" : "0",
"storage" : {
}
},
"945304eb96065b2a98b57a48a06ae28d285a71b5" : {
"balance" : "46",
"code" : "0x6000355415600957005b60203560003555",
"nonce" : "0",
"storage" : {
}
},
"a94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
"balance" : "1000000000000000000",
"code" : "0x",
"nonce" : "0",
"storage" : {
}
}
},
"transaction" : {
"data" : "0x42",
"gasLimit" : "400000",
"gasPrice" : "1",
"nonce" : "0",
"secretKey" : "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8",
"to" : "095e7baea6a6c7c4c2dfeb977efac326af552d87",
"value" : "100000"
}
}
}
)";
mValue v;
read_string(s, v);
// insert new random code
v.get_obj().find("randomStatetest")->second.get_obj().find("pre")->second.get_obj().begin()->second.get_obj()["code"] = "0x" + randomCode + (randGen() > 128 ? "55" : "") + (randGen() > 128 ? "60005155" : "");
// insert new data in tx
v.get_obj().find("randomStatetest")->second.get_obj().find("transaction")->second.get_obj()["data"] = "0x" + randomCode;
// insert new value in tx
v.get_obj().find("randomStatetest")->second.get_obj().find("transaction")->second.get_obj()["value"] = toString(randGenUniformInt());
// insert new gasLimit in tx
v.get_obj().find("randomStatetest")->second.get_obj().find("transaction")->second.get_obj()["gasLimit"] = "0x" + toHex(toCompactBigEndian((int)randGenUniformInt()));
// fill test
doStateTests(v);
// stream to output for further handling by the bash script
cout << json_spirit::write_string(v, true);
return 0;
}
void doStateTests(json_spirit::mValue& _v)
{
eth::VMFactory::setKind(eth::VMKind::Interpreter);
for (auto& i: _v.get_obj())
{
//cerr << i.first << endl;
mObject& o = i.second.get_obj();
assert(o.count("env") > 0);
assert(o.count("pre") > 0);
assert(o.count("transaction") > 0);
test::ImportTest importer(o, true);
eth::State theState = importer.m_statePre;
bytes tx = importer.m_transaction.rlp();
bytes output;
try
{
output = theState.execute(test::lastHashes(importer.m_environment.currentBlock.number), tx).output;
}
catch (Exception const& _e)
{
cnote << "state execution did throw an exception: " << diagnostic_information(_e);
theState.commit();
}
catch (std::exception const& _e)
{
cnote << "state execution did throw an exception: " << _e.what();
}
#if ETH_FATDB
importer.exportTest(output, theState);
#else
cout << "You can not fill tests when FATDB is switched off";
#endif
}
}
|
