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authorCJentzsch <jentzsch.software@gmail.com>2015-04-21 04:48:53 +0800
committerCJentzsch <jentzsch.software@gmail.com>2015-04-21 04:48:53 +0800
commitb2adcf3bf3a6326628b5413bddae2742073d8078 (patch)
treef02bbd0bc7841f0b37b9473a9dcacc41b542fe0f /libsolidity
parent71012a83e86dac3a899780219a78f18acd1708c5 (diff)
downloaddexon-solidity-b2adcf3bf3a6326628b5413bddae2742073d8078.tar.gz
dexon-solidity-b2adcf3bf3a6326628b5413bddae2742073d8078.tar.zst
dexon-solidity-b2adcf3bf3a6326628b5413bddae2742073d8078.zip
Restructure test folders
Diffstat (limited to 'libsolidity')
-rw-r--r--libsolidity/CMakeLists.txt5
-rw-r--r--libsolidity/SolidityABIJSON.cpp505
-rw-r--r--libsolidity/SolidityCompiler.cpp197
-rw-r--r--libsolidity/SolidityEndToEndTest.cpp3708
-rw-r--r--libsolidity/SolidityExpressionCompiler.cpp495
-rw-r--r--libsolidity/SolidityInterface.cpp153
-rw-r--r--libsolidity/SolidityNameAndTypeResolution.cpp1675
-rw-r--r--libsolidity/SolidityNatspecJSON.cpp543
-rw-r--r--libsolidity/SolidityOptimizer.cpp820
-rw-r--r--libsolidity/SolidityParser.cpp859
-rw-r--r--libsolidity/SolidityScanner.cpp292
-rw-r--r--libsolidity/SolidityTypes.cpp97
-rw-r--r--libsolidity/solidityExecutionFramework.h181
13 files changed, 9530 insertions, 0 deletions
diff --git a/libsolidity/CMakeLists.txt b/libsolidity/CMakeLists.txt
new file mode 100644
index 00000000..3ceda13b
--- /dev/null
+++ b/libsolidity/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_policy(SET CMP0015 NEW)
+
+aux_source_directory(. SRCS)
+
+add_sources(${SRCS})
diff --git a/libsolidity/SolidityABIJSON.cpp b/libsolidity/SolidityABIJSON.cpp
new file mode 100644
index 00000000..b0633cca
--- /dev/null
+++ b/libsolidity/SolidityABIJSON.cpp
@@ -0,0 +1,505 @@
+/*
+ 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/>.
+ */
+/**
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity compiler JSON Interface output.
+ */
+#if ETH_SOLIDITY
+
+#include "../TestHelper.h"
+#include <libsolidity/CompilerStack.h>
+#include <json/json.h>
+#include <libdevcore/Exceptions.h>
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class JSONInterfaceChecker
+{
+public:
+ JSONInterfaceChecker(): m_compilerStack(false) {}
+
+ void checkInterface(std::string const& _code, std::string const& _expectedInterfaceString)
+ {
+ ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing contract failed");
+ std::string generatedInterfaceString = m_compilerStack.getMetadata("", DocumentationType::ABIInterface);
+ Json::Value generatedInterface;
+ m_reader.parse(generatedInterfaceString, generatedInterface);
+ Json::Value expectedInterface;
+ m_reader.parse(_expectedInterfaceString, expectedInterface);
+ BOOST_CHECK_MESSAGE(expectedInterface == generatedInterface,
+ "Expected:\n" << expectedInterface.toStyledString() <<
+ "\n but got:\n" << generatedInterface.toStyledString());
+ }
+
+private:
+ CompilerStack m_compilerStack;
+ Json::Reader m_reader;
+};
+
+BOOST_FIXTURE_TEST_SUITE(SolidityABIJSON, JSONInterfaceChecker)
+
+BOOST_AUTO_TEST_CASE(basic_test)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ "}\n";
+
+ char const* interface = R"([
+ {
+ "name": "f",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "a",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "d",
+ "type": "uint256"
+ }
+ ]
+ }
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(empty_contract)
+{
+ char const* sourceCode = "contract test {\n"
+ "}\n";
+ char const* interface = "[]";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_methods)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ " function g(uint b) returns(uint e) { return b * 8; }\n"
+ "}\n";
+
+ char const* interface = R"([
+ {
+ "name": "f",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "a",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "d",
+ "type": "uint256"
+ }
+ ]
+ },
+ {
+ "name": "g",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "b",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "e",
+ "type": "uint256"
+ }
+ ]
+ }
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_params)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a, uint b) returns(uint d) { return a + b; }\n"
+ "}\n";
+
+ char const* interface = R"([
+ {
+ "name": "f",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "a",
+ "type": "uint256"
+ },
+ {
+ "name": "b",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "d",
+ "type": "uint256"
+ }
+ ]
+ }
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_methods_order)
+{
+ // methods are expected to be in alpabetical order
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ " function c(uint b) returns(uint e) { return b * 8; }\n"
+ "}\n";
+
+ char const* interface = R"([
+ {
+ "name": "c",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "b",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "e",
+ "type": "uint256"
+ }
+ ]
+ },
+ {
+ "name": "f",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "a",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "d",
+ "type": "uint256"
+ }
+ ]
+ }
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(const_function)
+{
+ char const* sourceCode = "contract test {\n"
+ " function foo(uint a, uint b) returns(uint d) { return a + b; }\n"
+ " function boo(uint32 a) constant returns(uint b) { return a * 4; }\n"
+ "}\n";
+
+ char const* interface = R"([
+ {
+ "name": "foo",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "a",
+ "type": "uint256"
+ },
+ {
+ "name": "b",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "d",
+ "type": "uint256"
+ }
+ ]
+ },
+ {
+ "name": "boo",
+ "constant": true,
+ "type": "function",
+ "inputs": [{
+ "name": "a",
+ "type": "uint32"
+ }],
+ "outputs": [
+ {
+ "name": "b",
+ "type": "uint256"
+ }
+ ]
+ }
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(exclude_fallback_function)
+{
+ char const* sourceCode = "contract test { function() {} }";
+
+ char const* interface = "[]";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(events)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ " event e1(uint b, address indexed c); \n"
+ " event e2(); \n"
+ "}\n";
+ char const* interface = R"([
+ {
+ "name": "f",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "a",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "d",
+ "type": "uint256"
+ }
+ ]
+ },
+ {
+ "name": "e1",
+ "type": "event",
+ "anonymous": false,
+ "inputs": [
+ {
+ "indexed": false,
+ "name": "b",
+ "type": "uint256"
+ },
+ {
+ "indexed": true,
+ "name": "c",
+ "type": "address"
+ }
+ ]
+ },
+ {
+ "name": "e2",
+ "type": "event",
+ "anonymous": false,
+ "inputs": []
+ }
+
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(events_anonymous)
+{
+ char const* sourceCode = "contract test {\n"
+ " event e() anonymous; \n"
+ "}\n";
+ char const* interface = R"([
+ {
+ "name": "e",
+ "type": "event",
+ "anonymous": true,
+ "inputs": []
+ }
+
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(inherited)
+{
+ char const* sourceCode =
+ " contract Base { \n"
+ " function baseFunction(uint p) returns (uint i) { return p; } \n"
+ " event baseEvent(bytes32 indexed evtArgBase); \n"
+ " } \n"
+ " contract Derived is Base { \n"
+ " function derivedFunction(bytes32 p) returns (bytes32 i) { return p; } \n"
+ " event derivedEvent(uint indexed evtArgDerived); \n"
+ " }";
+
+ char const* interface = R"([
+ {
+ "name": "baseFunction",
+ "constant": false,
+ "type": "function",
+ "inputs":
+ [{
+ "name": "p",
+ "type": "uint256"
+ }],
+ "outputs":
+ [{
+ "name": "i",
+ "type": "uint256"
+ }]
+ },
+ {
+ "name": "derivedFunction",
+ "constant": false,
+ "type": "function",
+ "inputs":
+ [{
+ "name": "p",
+ "type": "bytes32"
+ }],
+ "outputs":
+ [{
+ "name": "i",
+ "type": "bytes32"
+ }]
+ },
+ {
+ "name": "derivedEvent",
+ "type": "event",
+ "anonymous": false,
+ "inputs":
+ [{
+ "indexed": true,
+ "name": "evtArgDerived",
+ "type": "uint256"
+ }]
+ },
+ {
+ "name": "baseEvent",
+ "type": "event",
+ "anonymous": false,
+ "inputs":
+ [{
+ "indexed": true,
+ "name": "evtArgBase",
+ "type": "bytes32"
+ }]
+ }])";
+
+
+ checkInterface(sourceCode, interface);
+}
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f(uint, uint k) returns(uint ret_k, uint ret_g){
+ uint g = 8;
+ ret_k = k;
+ ret_g = g;
+ }
+ })";
+
+ char const* interface = R"([
+ {
+ "name": "f",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "",
+ "type": "uint256"
+ },
+ {
+ "name": "k",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "ret_k",
+ "type": "uint256"
+ },
+ {
+ "name": "ret_g",
+ "type": "uint256"
+ }
+ ]
+ }
+ ])";
+
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f(uint k) returns(uint){
+ return k;
+ }
+ })";
+
+ char const* interface = R"([
+ {
+ "name": "f",
+ "constant": false,
+ "type": "function",
+ "inputs": [
+ {
+ "name": "k",
+ "type": "uint256"
+ }
+ ],
+ "outputs": [
+ {
+ "name": "",
+ "type": "uint256"
+ }
+ ]
+ }
+ ])";
+ checkInterface(sourceCode, interface);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}
+
+#endif
diff --git a/libsolidity/SolidityCompiler.cpp b/libsolidity/SolidityCompiler.cpp
new file mode 100644
index 00000000..bb16c88c
--- /dev/null
+++ b/libsolidity/SolidityCompiler.cpp
@@ -0,0 +1,197 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity compiler.
+ */
+
+#if ETH_SOLIDITY
+
+#include <string>
+#include <iostream>
+#include <boost/test/unit_test.hpp>
+#include <libdevcore/Log.h>
+#include <libsolidity/Scanner.h>
+#include <libsolidity/Parser.h>
+#include <libsolidity/NameAndTypeResolver.h>
+#include <libsolidity/Compiler.h>
+#include <libsolidity/AST.h>
+
+using namespace std;
+using namespace dev::eth;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+namespace
+{
+
+bytes compileContract(const string& _sourceCode)
+{
+ Parser parser;
+ ASTPointer<SourceUnit> sourceUnit;
+ BOOST_REQUIRE_NO_THROW(sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode))));
+ NameAndTypeResolver resolver({});
+ resolver.registerDeclarations(*sourceUnit);
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ BOOST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract));
+ }
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ BOOST_REQUIRE_NO_THROW(resolver.checkTypeRequirements(*contract));
+ }
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ Compiler compiler;
+ compiler.compileContract(*contract, map<ContractDefinition const*, bytes const*>{});
+
+ // debug
+ //compiler.streamAssembly(cout);
+ return compiler.getAssembledBytecode();
+ }
+ BOOST_FAIL("No contract found in source.");
+ return bytes();
+}
+
+/// Checks that @a _compiledCode is present starting from offset @a _offset in @a _expectation.
+/// This is necessary since the compiler will add boilerplate add the beginning that is not
+/// tested here.
+void checkCodePresentAt(bytes const& _compiledCode, bytes const& _expectation, unsigned _offset)
+{
+ BOOST_REQUIRE(_compiledCode.size() >= _offset + _expectation.size());
+ auto checkStart = _compiledCode.begin() + _offset;
+ BOOST_CHECK_EQUAL_COLLECTIONS(checkStart, checkStart + _expectation.size(),
+ _expectation.begin(), _expectation.end());
+}
+
+} // end anonymous namespace
+
+BOOST_AUTO_TEST_SUITE(SolidityCompiler)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { var x = 2; }\n"
+ "}\n";
+ bytes code = compileContract(sourceCode);
+
+ unsigned boilerplateSize = 70;
+ bytes expectation({byte(Instruction::JUMPDEST),
+ byte(Instruction::PUSH1), 0x0, // initialize local variable x
+ byte(Instruction::PUSH1), 0x2,
+ byte(Instruction::SWAP1),
+ byte(Instruction::POP),
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::POP),
+ byte(Instruction::JUMP)});
+ checkCodePresentAt(code, expectation, boilerplateSize);
+}
+
+BOOST_AUTO_TEST_CASE(ifStatement)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { bool x; if (x) 77; else if (!x) 78; else 79; }"
+ "}\n";
+ bytes code = compileContract(sourceCode);
+ unsigned shift = 57;
+ unsigned boilerplateSize = 70;
+ bytes expectation({byte(Instruction::JUMPDEST),
+ byte(Instruction::PUSH1), 0x0,
+ byte(Instruction::DUP1),
+ byte(Instruction::PUSH1), byte(0x1b + shift), // "true" target
+ byte(Instruction::JUMPI),
+ // new check "else if" condition
+ byte(Instruction::DUP1),
+ byte(Instruction::ISZERO),
+ byte(Instruction::PUSH1), byte(0x13 + shift),
+ byte(Instruction::JUMPI),
+ // "else" body
+ byte(Instruction::PUSH1), 0x4f,
+ byte(Instruction::POP),
+ byte(Instruction::PUSH1), byte(0x17 + shift), // exit path of second part
+ byte(Instruction::JUMP),
+ // "else if" body
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::PUSH1), 0x4e,
+ byte(Instruction::POP),
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::PUSH1), byte(0x1f + shift),
+ byte(Instruction::JUMP),
+ // "if" body
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::PUSH1), 0x4d,
+ byte(Instruction::POP),
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::POP),
+ byte(Instruction::JUMP)});
+ checkCodePresentAt(code, expectation, boilerplateSize);
+}
+
+BOOST_AUTO_TEST_CASE(loops)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { while(true){1;break;2;continue;3;return;4;} }"
+ "}\n";
+ bytes code = compileContract(sourceCode);
+ unsigned shift = 57;
+ unsigned boilerplateSize = 70;
+ bytes expectation({byte(Instruction::JUMPDEST),
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::PUSH1), 0x1,
+ byte(Instruction::ISZERO),
+ byte(Instruction::PUSH1), byte(0x21 + shift),
+ byte(Instruction::JUMPI),
+ byte(Instruction::PUSH1), 0x1,
+ byte(Instruction::POP),
+ byte(Instruction::PUSH1), byte(0x21 + shift),
+ byte(Instruction::JUMP), // break
+ byte(Instruction::PUSH1), 0x2,
+ byte(Instruction::POP),
+ byte(Instruction::PUSH1), byte(0x2 + shift),
+ byte(Instruction::JUMP), // continue
+ byte(Instruction::PUSH1), 0x3,
+ byte(Instruction::POP),
+ byte(Instruction::PUSH1), byte(0x22 + shift),
+ byte(Instruction::JUMP), // return
+ byte(Instruction::PUSH1), 0x4,
+ byte(Instruction::POP),
+ byte(Instruction::PUSH1), byte(0x2 + shift),
+ byte(Instruction::JUMP),
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::JUMPDEST),
+ byte(Instruction::JUMP)});
+
+ checkCodePresentAt(code, expectation, boilerplateSize);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
+
+#endif
diff --git a/libsolidity/SolidityEndToEndTest.cpp b/libsolidity/SolidityEndToEndTest.cpp
new file mode 100644
index 00000000..c345f520
--- /dev/null
+++ b/libsolidity/SolidityEndToEndTest.cpp
@@ -0,0 +1,3708 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @author Gav Wood <g@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity expression compiler, testing the behaviour of the code.
+ */
+
+#if ETH_SOLIDITY
+
+#include <string>
+#include <tuple>
+#include <boost/test/unit_test.hpp>
+#include <libdevcrypto/SHA3.h>
+#include <test/libsolidity/solidityExecutionFramework.h>
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+BOOST_FIXTURE_TEST_SUITE(SolidityEndToEndTest, ExecutionFramework)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ testSolidityAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return a * 7; }, 0, 100);
+}
+
+BOOST_AUTO_TEST_CASE(empty_contract)
+{
+ char const* sourceCode = "contract test {\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()).empty());
+}
+
+BOOST_AUTO_TEST_CASE(exp_operator)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f(uint a) returns(uint d) { return 2 ** a; }
+ })";
+ compileAndRun(sourceCode);
+ testSolidityAgainstCppOnRange("f(uint256)", [](u256 const& a) -> u256 { return u256(1 << a.convert_to<int>()); }, 0, 16);
+}
+
+BOOST_AUTO_TEST_CASE(exp_operator_const)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f() returns(uint d) { return 2 ** 3; }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(8)));
+}
+
+BOOST_AUTO_TEST_CASE(exp_operator_const_signed)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f() returns(int d) { return (-2) ** 3; }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(-8)));
+}
+
+BOOST_AUTO_TEST_CASE(recursive_calls)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint n) returns(uint nfac) {\n"
+ " if (n <= 1) return 1;\n"
+ " else return n * f(n - 1);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ function<u256(u256)> recursive_calls_cpp = [&recursive_calls_cpp](u256 const& n) -> u256
+ {
+ if (n <= 1)
+ return 1;
+ else
+ return n * recursive_calls_cpp(n - 1);
+ };
+
+ testSolidityAgainstCppOnRange("f(uint256)", recursive_calls_cpp, 0, 5);
+}
+
+BOOST_AUTO_TEST_CASE(multiple_functions)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a() returns(uint n) { return 0; }\n"
+ " function b() returns(uint n) { return 1; }\n"
+ " function c() returns(uint n) { return 2; }\n"
+ " function f() returns(uint n) { return 3; }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("a()", bytes()) == toBigEndian(u256(0)));
+ BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(1)));
+ BOOST_CHECK(callContractFunction("c()", bytes()) == toBigEndian(u256(2)));
+ BOOST_CHECK(callContractFunction("f()", bytes()) == toBigEndian(u256(3)));
+ BOOST_CHECK(callContractFunction("i_am_not_there()", bytes()) == bytes());
+}
+
+BOOST_AUTO_TEST_CASE(named_args)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n"
+ " function b() returns (uint r) { r = a({a: 1, b: 2, c: 3}); }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123)));
+}
+
+BOOST_AUTO_TEST_CASE(disorder_named_args)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n"
+ " function b() returns (uint r) { r = a({c: 3, a: 1, b: 2}); }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("b()", bytes()) == toBigEndian(u256(123)));
+}
+
+BOOST_AUTO_TEST_CASE(while_loop)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint n) returns(uint nfac) {\n"
+ " nfac = 1;\n"
+ " var i = 2;\n"
+ " while (i <= n) nfac *= i++;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ auto while_loop_cpp = [](u256 const& n) -> u256
+ {
+ u256 nfac = 1;
+ u256 i = 2;
+ while (i <= n)
+ nfac *= i++;
+
+ return nfac;
+ };
+
+ testSolidityAgainstCppOnRange("f(uint256)", while_loop_cpp, 0, 5);
+}
+
+BOOST_AUTO_TEST_CASE(break_outside_loop)
+{
+ // break and continue outside loops should be simply ignored
+ char const* sourceCode = "contract test {\n"
+ " function f(uint x) returns(uint y) {\n"
+ " break; continue; return 2;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ testSolidityAgainstCpp("f(uint256)", [](u256 const&) -> u256 { return 2; }, u256(0));
+}
+
+BOOST_AUTO_TEST_CASE(nested_loops)
+{
+ // tests that break and continue statements in nested loops jump to the correct place
+ char const* sourceCode = "contract test {\n"
+ " function f(uint x) returns(uint y) {\n"
+ " while (x > 1) {\n"
+ " if (x == 10) break;\n"
+ " while (x > 5) {\n"
+ " if (x == 8) break;\n"
+ " x--;\n"
+ " if (x == 6) continue;\n"
+ " return x;\n"
+ " }\n"
+ " x--;\n"
+ " if (x == 3) continue;\n"
+ " break;\n"
+ " }\n"
+ " return x;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ auto nested_loops_cpp = [](u256 n) -> u256
+ {
+ while (n > 1)
+ {
+ if (n == 10)
+ break;
+ while (n > 5)
+ {
+ if (n == 8)
+ break;
+ n--;
+ if (n == 6)
+ continue;
+ return n;
+ }
+ n--;
+ if (n == 3)
+ continue;
+ break;
+ }
+
+ return n;
+ };
+
+ testSolidityAgainstCppOnRange("f(uint256)", nested_loops_cpp, 0, 12);
+}
+
+BOOST_AUTO_TEST_CASE(for_loop)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint n) returns(uint nfac) {\n"
+ " nfac = 1;\n"
+ " for (var i = 2; i <= n; i++)\n"
+ " nfac *= i;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ auto for_loop_cpp = [](u256 const& n) -> u256
+ {
+ u256 nfac = 1;
+ for (auto i = 2; i <= n; i++)
+ nfac *= i;
+ return nfac;
+ };
+
+ testSolidityAgainstCppOnRange("f(uint256)", for_loop_cpp, 0, 5);
+}
+
+BOOST_AUTO_TEST_CASE(for_loop_empty)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() returns(uint ret) {\n"
+ " ret = 1;\n"
+ " for (;;)\n"
+ " {\n"
+ " ret += 1;\n"
+ " if (ret >= 10) break;\n"
+ " }\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ auto for_loop_empty_cpp = []() -> u256
+ {
+ u256 ret = 1;
+ for (;;)
+ {
+ ret += 1;
+ if (ret >= 10) break;
+ }
+ return ret;
+ };
+
+ testSolidityAgainstCpp("f()", for_loop_empty_cpp);
+}
+
+BOOST_AUTO_TEST_CASE(for_loop_simple_init_expr)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint n) returns(uint nfac) {\n"
+ " nfac = 1;\n"
+ " uint256 i;\n"
+ " for (i = 2; i <= n; i++)\n"
+ " nfac *= i;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ auto for_loop_simple_init_expr_cpp = [](u256 const& n) -> u256
+ {
+ u256 nfac = 1;
+ u256 i;
+ for (i = 2; i <= n; i++)
+ nfac *= i;
+ return nfac;
+ };
+
+ testSolidityAgainstCppOnRange("f(uint256)", for_loop_simple_init_expr_cpp, 0, 5);
+}
+
+BOOST_AUTO_TEST_CASE(calling_other_functions)
+{
+ // note that the index of a function is its index in the sorted sequence of functions
+ char const* sourceCode = "contract collatz {\n"
+ " function run(uint x) returns(uint y) {\n"
+ " while ((y = x) > 1) {\n"
+ " if (x % 2 == 0) x = evenStep(x);\n"
+ " else x = oddStep(x);\n"
+ " }\n"
+ " }\n"
+ " function evenStep(uint x) returns(uint y) {\n"
+ " return x / 2;\n"
+ " }\n"
+ " function oddStep(uint x) returns(uint y) {\n"
+ " return 3 * x + 1;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ auto evenStep_cpp = [](u256 const& n) -> u256
+ {
+ return n / 2;
+ };
+
+ auto oddStep_cpp = [](u256 const& n) -> u256
+ {
+ return 3 * n + 1;
+ };
+
+ auto collatz_cpp = [&evenStep_cpp, &oddStep_cpp](u256 n) -> u256
+ {
+ u256 y;
+ while ((y = n) > 1)
+ {
+ if (n % 2 == 0)
+ n = evenStep_cpp(n);
+ else
+ n = oddStep_cpp(n);
+ }
+ return y;
+ };
+
+ testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(0));
+ testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(1));
+ testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(2));
+ testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(8));
+ testSolidityAgainstCpp("run(uint256)", collatz_cpp, u256(127));
+}
+
+BOOST_AUTO_TEST_CASE(many_local_variables)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run(uint x1, uint x2, uint x3) returns(uint y) {\n"
+ " var a = 0x1; var b = 0x10; var c = 0x100;\n"
+ " y = a + b + c + x1 + x2 + x3;\n"
+ " y += b + x2;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto f = [](u256 const& x1, u256 const& x2, u256 const& x3) -> u256
+ {
+ u256 a = 0x1;
+ u256 b = 0x10;
+ u256 c = 0x100;
+ u256 y = a + b + c + x1 + x2 + x3;
+ return y + b + x2;
+ };
+ testSolidityAgainstCpp("run(uint256,uint256,uint256)", f, u256(0x1000), u256(0x10000), u256(0x100000));
+}
+
+BOOST_AUTO_TEST_CASE(packing_unpacking_types)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run(bool a, uint32 b, uint64 c) returns(uint256 y) {\n"
+ " if (a) y = 1;\n"
+ " y = y * 0x100000000 | ~b;\n"
+ " y = y * 0x10000000000000000 | ~c;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("run(bool,uint32,uint64)", true, fromHex("0f0f0f0f"), fromHex("f0f0f0f0f0f0f0f0"))
+ == fromHex("00000000000000000000000000000000000000""01""f0f0f0f0""0f0f0f0f0f0f0f0f"));
+}
+
+BOOST_AUTO_TEST_CASE(packing_signed_types)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run() returns(int8 y) {\n"
+ " uint8 x = 0xfa;\n"
+ " return int8(x);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("run()")
+ == fromHex("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa"));
+}
+
+BOOST_AUTO_TEST_CASE(multiple_return_values)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run(bool x1, uint x2) returns(uint y1, bool y2, uint y3) {\n"
+ " y1 = x2; y2 = x1;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("run(bool,uint256)", true, 0xcd) == encodeArgs(0xcd, true, 0));
+}
+
+BOOST_AUTO_TEST_CASE(short_circuiting)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run(uint x) returns(uint y) {\n"
+ " x == 0 || ((x = 8) > 0);\n"
+ " return x;"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ auto short_circuiting_cpp = [](u256 n) -> u256
+ {
+ (void)(n == 0 || (n = 8) > 0);
+ return n;
+ };
+
+ testSolidityAgainstCppOnRange("run(uint256)", short_circuiting_cpp, 0, 2);
+}
+
+BOOST_AUTO_TEST_CASE(high_bits_cleaning)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run() returns(uint256 y) {\n"
+ " uint32 t = uint32(0xffffffff);\n"
+ " uint32 x = t + 10;\n"
+ " if (x >= 0xffffffff) return 0;\n"
+ " return x;"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto high_bits_cleaning_cpp = []() -> u256
+ {
+ uint32_t t = uint32_t(0xffffffff);
+ uint32_t x = t + 10;
+ if (x >= 0xffffffff)
+ return 0;
+ return x;
+ };
+ testSolidityAgainstCpp("run()", high_bits_cleaning_cpp);
+}
+
+BOOST_AUTO_TEST_CASE(sign_extension)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run() returns(uint256 y) {\n"
+ " int64 x = -int32(0xff);\n"
+ " if (x >= 0xff) return 0;\n"
+ " return -uint256(x);"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto sign_extension_cpp = []() -> u256
+ {
+ int64_t x = -int32_t(0xff);
+ if (x >= 0xff)
+ return 0;
+ return u256(x) * -1;
+ };
+ testSolidityAgainstCpp("run()", sign_extension_cpp);
+}
+
+BOOST_AUTO_TEST_CASE(small_unsigned_types)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run() returns(uint256 y) {\n"
+ " uint32 t = uint32(0xffffff);\n"
+ " uint32 x = t * 0xffffff;\n"
+ " return x / 0x100;"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto small_unsigned_types_cpp = []() -> u256
+ {
+ uint32_t t = uint32_t(0xffffff);
+ uint32_t x = t * 0xffffff;
+ return x / 0x100;
+ };
+ testSolidityAgainstCpp("run()", small_unsigned_types_cpp);
+}
+
+BOOST_AUTO_TEST_CASE(small_signed_types)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run() returns(int256 y) {\n"
+ " return -int32(10) * -int64(20);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto small_signed_types_cpp = []() -> u256
+ {
+ return -int32_t(10) * -int64_t(20);
+ };
+ testSolidityAgainstCpp("run()", small_signed_types_cpp);
+}
+
+BOOST_AUTO_TEST_CASE(strings)
+{
+ char const* sourceCode = "contract test {\n"
+ " function fixed() returns(bytes32 ret) {\n"
+ " return \"abc\\x00\\xff__\";\n"
+ " }\n"
+ " function pipeThrough(bytes2 small, bool one) returns(bytes16 large, bool oneRet) {\n"
+ " oneRet = one;\n"
+ " large = small;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("fixed()") == encodeArgs(string("abc\0\xff__", 7)));
+ BOOST_CHECK(callContractFunction("pipeThrough(bytes2,bool)", string("\0\x02", 2), true) == encodeArgs(string("\0\x2", 2), true));
+}
+
+BOOST_AUTO_TEST_CASE(empty_string_on_stack)
+{
+ char const* sourceCode = "contract test {\n"
+ " function run(bytes0 empty, uint8 inp) returns(uint16 a, bytes0 b, bytes4 c) {\n"
+ " var x = \"abc\";\n"
+ " var y = \"\";\n"
+ " var z = inp;\n"
+ " a = z; b = y; c = x;"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("run(bytes0,uint8)", string(), byte(0x02)) == encodeArgs(0x2, string(""), string("abc\0")));
+}
+
+BOOST_AUTO_TEST_CASE(inc_dec_operators)
+{
+ char const* sourceCode = R"(
+ contract test {
+ uint8 x;
+ uint v;
+ function f() returns (uint r) {
+ uint a = 6;
+ r = a;
+ r += (a++) * 0x10;
+ r += (++a) * 0x100;
+ v = 3;
+ r += (v++) * 0x1000;
+ r += (++v) * 0x10000;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(0x53866));
+}
+
+BOOST_AUTO_TEST_CASE(state_smoke_test)
+{
+ char const* sourceCode = "contract test {\n"
+ " uint256 value1;\n"
+ " uint256 value2;\n"
+ " function get(uint8 which) returns (uint256 value) {\n"
+ " if (which == 0) return value1;\n"
+ " else return value2;\n"
+ " }\n"
+ " function set(uint8 which, uint256 value) {\n"
+ " if (which == 0) value1 = value;\n"
+ " else value2 = value;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x1234) == encodeArgs());
+ BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x01), 0x8765) == encodeArgs());
+ BOOST_CHECK(callContractFunction("get(uint8)", byte( 0x00)) == encodeArgs(0x1234));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0x8765));
+ BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x3) == encodeArgs());
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0x3));
+}
+
+BOOST_AUTO_TEST_CASE(compound_assign)
+{
+ char const* sourceCode = "contract test {\n"
+ " uint value1;\n"
+ " uint value2;\n"
+ " function f(uint x, uint y) returns (uint w) {\n"
+ " uint value3 = y;"
+ " value1 += x;\n"
+ " value3 *= x;"
+ " value2 *= value3 + value1;\n"
+ " return value2 += 7;"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ u256 value1;
+ u256 value2;
+ auto f = [&](u256 const& _x, u256 const& _y) -> u256
+ {
+ u256 value3 = _y;
+ value1 += _x;
+ value3 *= _x;
+ value2 *= value3 + value1;
+ return value2 += 7;
+ };
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(0), u256(6));
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(1), u256(3));
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(2), u256(25));
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(3), u256(69));
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(4), u256(84));
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(5), u256(2));
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(6), u256(51));
+ testSolidityAgainstCpp("f(uint256,uint256)", f, u256(7), u256(48));
+}
+
+BOOST_AUTO_TEST_CASE(simple_mapping)
+{
+ char const* sourceCode = "contract test {\n"
+ " mapping(uint8 => uint8) table;\n"
+ " function get(uint8 k) returns (uint8 v) {\n"
+ " return table[k];\n"
+ " }\n"
+ " function set(uint8 k, uint8 v) {\n"
+ " table[k] = v;\n"
+ " }\n"
+ "}";
+ compileAndRun(sourceCode);
+
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0)) == encodeArgs(byte(0x00)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x00)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
+ callContractFunction("set(uint8,uint8)", byte(0x01), byte(0xa1));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0x00)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
+ callContractFunction("set(uint8,uint8)", byte(0x00), byte(0xef));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
+ callContractFunction("set(uint8,uint8)", byte(0x01), byte(0x05));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x05)));
+ BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
+}
+
+BOOST_AUTO_TEST_CASE(mapping_state)
+{
+ char const* sourceCode = "contract Ballot {\n"
+ " mapping(address => bool) canVote;\n"
+ " mapping(address => uint) voteCount;\n"
+ " mapping(address => bool) voted;\n"
+ " function getVoteCount(address addr) returns (uint retVoteCount) {\n"
+ " return voteCount[addr];\n"
+ " }\n"
+ " function grantVoteRight(address addr) {\n"
+ " canVote[addr] = true;\n"
+ " }\n"
+ " function vote(address voter, address vote) returns (bool success) {\n"
+ " if (!canVote[voter] || voted[voter]) return false;\n"
+ " voted[voter] = true;\n"
+ " voteCount[vote] = voteCount[vote] + 1;\n"
+ " return true;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ class Ballot
+ {
+ public:
+ u256 getVoteCount(u160 _address) { return m_voteCount[_address]; }
+ void grantVoteRight(u160 _address) { m_canVote[_address] = true; }
+ bool vote(u160 _voter, u160 _vote)
+ {
+ if (!m_canVote[_voter] || m_voted[_voter]) return false;
+ m_voted[_voter] = true;
+ m_voteCount[_vote]++;
+ return true;
+ }
+ private:
+ map<u160, bool> m_canVote;
+ map<u160, u256> m_voteCount;
+ map<u160, bool> m_voted;
+ } ballot;
+
+ auto getVoteCount = bind(&Ballot::getVoteCount, &ballot, _1);
+ auto grantVoteRight = bind(&Ballot::grantVoteRight, &ballot, _1);
+ auto vote = bind(&Ballot::vote, &ballot, _1, _2);
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
+ // voting without vote right should be rejected
+ testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
+ // grant vote rights
+ testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(0));
+ testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(1));
+ // vote, should increase 2's vote count
+ testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(2));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
+ // vote again, should be rejected
+ testSolidityAgainstCpp("vote(address,address)", vote, u160(0), u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
+ // vote without right to vote
+ testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
+ // grant vote right and now vote again
+ testSolidityAgainstCpp("grantVoteRight(address)", grantVoteRight, u160(2));
+ testSolidityAgainstCpp("vote(address,address)", vote, u160(2), u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(0));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(1));
+ testSolidityAgainstCpp("getVoteCount(address)", getVoteCount, u160(2));
+}
+
+BOOST_AUTO_TEST_CASE(mapping_state_inc_dec)
+{
+ char const* sourceCode = "contract test {\n"
+ " uint value;\n"
+ " mapping(uint => uint) table;\n"
+ " function f(uint x) returns (uint y) {\n"
+ " value = x;\n"
+ " if (x > 0) table[++value] = 8;\n"
+ " if (x > 1) value--;\n"
+ " if (x > 2) table[value]++;\n"
+ " return --table[value++];\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ u256 value = 0;
+ map<u256, u256> table;
+ auto f = [&](u256 const& _x) -> u256
+ {
+ value = _x;
+ if (_x > 0)
+ table[++value] = 8;
+ if (_x > 1)
+ value --;
+ if (_x > 2)
+ table[value]++;
+ return --table[value++];
+ };
+ testSolidityAgainstCppOnRange("f(uint256)", f, 0, 5);
+}
+
+BOOST_AUTO_TEST_CASE(multi_level_mapping)
+{
+ char const* sourceCode = "contract test {\n"
+ " mapping(uint => mapping(uint => uint)) table;\n"
+ " function f(uint x, uint y, uint z) returns (uint w) {\n"
+ " if (z == 0) return table[x][y];\n"
+ " else return table[x][y] = z;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+
+ map<u256, map<u256, u256>> table;
+ auto f = [&](u256 const& _x, u256 const& _y, u256 const& _z) -> u256
+ {
+ if (_z == 0) return table[_x][_y];
+ else return table[_x][_y] = _z;
+ };
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(9));
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(7));
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(4), u256(5), u256(0));
+ testSolidityAgainstCpp("f(uint256,uint256,uint256)", f, u256(5), u256(4), u256(0));
+}
+
+BOOST_AUTO_TEST_CASE(structs)
+{
+ char const* sourceCode = "contract test {\n"
+ " struct s1 {\n"
+ " uint8 x;\n"
+ " bool y;\n"
+ " }\n"
+ " struct s2 {\n"
+ " uint32 z;\n"
+ " s1 s1data;\n"
+ " mapping(uint8 => s2) recursive;\n"
+ " }\n"
+ " s2 data;\n"
+ " function check() returns (bool ok) {\n"
+ " return data.z == 1 && data.s1data.x == 2 && \n"
+ " data.s1data.y == true && \n"
+ " data.recursive[3].recursive[4].z == 5 && \n"
+ " data.recursive[4].recursive[3].z == 6 && \n"
+ " data.recursive[0].s1data.y == false && \n"
+ " data.recursive[4].z == 9;\n"
+ " }\n"
+ " function set() {\n"
+ " data.z = 1;\n"
+ " data.s1data.x = 2;\n"
+ " data.s1data.y = true;\n"
+ " data.recursive[3].recursive[4].z = 5;\n"
+ " data.recursive[4].recursive[3].z = 6;\n"
+ " data.recursive[0].s1data.y = false;\n"
+ " data.recursive[4].z = 9;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("check()") == encodeArgs(false));
+ BOOST_CHECK(callContractFunction("set()") == bytes());
+ BOOST_CHECK(callContractFunction("check()") == encodeArgs(true));
+}
+
+BOOST_AUTO_TEST_CASE(struct_reference)
+{
+ char const* sourceCode = "contract test {\n"
+ " struct s2 {\n"
+ " uint32 z;\n"
+ " mapping(uint8 => s2) recursive;\n"
+ " }\n"
+ " s2 data;\n"
+ " function check() returns (bool ok) {\n"
+ " return data.z == 2 && \n"
+ " data.recursive[0].z == 3 && \n"
+ " data.recursive[0].recursive[1].z == 0 && \n"
+ " data.recursive[0].recursive[0].z == 1;\n"
+ " }\n"
+ " function set() {\n"
+ " data.z = 2;\n"
+ " var map = data.recursive;\n"
+ " s2 inner = map[0];\n"
+ " inner.z = 3;\n"
+ " inner.recursive[0].z = inner.recursive[1].z + 1;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("check()") == encodeArgs(false));
+ BOOST_CHECK(callContractFunction("set()") == bytes());
+ BOOST_CHECK(callContractFunction("check()") == encodeArgs(true));
+}
+
+BOOST_AUTO_TEST_CASE(deleteStruct)
+{
+ char const* sourceCode = R"(
+ contract test {
+ struct topStruct {
+ nestedStruct nstr;
+ emptyStruct empty;
+ uint topValue;
+ mapping (uint => uint) topMapping;
+ }
+ uint toDelete;
+ topStruct str;
+ struct nestedStruct {
+ uint nestedValue;
+ mapping (uint => bool) nestedMapping;
+ }
+ struct emptyStruct{
+ }
+ function test(){
+ toDelete = 5;
+ str.topValue = 1;
+ str.topMapping[0] = 1;
+ str.topMapping[1] = 2;
+
+ str.nstr.nestedValue = 2;
+ str.nstr.nestedMapping[0] = true;
+ str.nstr.nestedMapping[1] = false;
+ delete str;
+ delete toDelete;
+ }
+ function getToDelete() returns (uint res){
+ res = toDelete;
+ }
+ function getTopValue() returns(uint topValue){
+ topValue = str.topValue;
+ }
+ function getNestedValue() returns(uint nestedValue){
+ nestedValue = str.nstr.nestedValue;
+ }
+ function getTopMapping(uint index) returns(uint ret) {
+ ret = str.topMapping[index];
+ }
+ function getNestedMapping(uint index) returns(bool ret) {
+ return str.nstr.nestedMapping[index];
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getToDelete()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("getTopValue()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("getNestedValue()") == encodeArgs(0));
+ // mapping values should be the same
+ BOOST_CHECK(callContractFunction("getTopMapping(uint256)", 0) == encodeArgs(1));
+ BOOST_CHECK(callContractFunction("getTopMapping(uint256)", 1) == encodeArgs(2));
+ BOOST_CHECK(callContractFunction("getNestedMapping(uint256)", 0) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("getNestedMapping(uint256)", 1) == encodeArgs(false));
+}
+
+BOOST_AUTO_TEST_CASE(deleteLocal)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function delLocal() returns (uint res){
+ uint v = 5;
+ delete v;
+ res = v;
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("delLocal()") == encodeArgs(0));
+}
+
+BOOST_AUTO_TEST_CASE(deleteLocals)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function delLocal() returns (uint res1, uint res2){
+ uint v = 5;
+ uint w = 6;
+ uint x = 7;
+ delete v;
+ res1 = w;
+ res2 = x;
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("delLocal()") == encodeArgs(6, 7));
+}
+
+BOOST_AUTO_TEST_CASE(constructor)
+{
+ char const* sourceCode = "contract test {\n"
+ " mapping(uint => uint) data;\n"
+ " function test() {\n"
+ " data[7] = 8;\n"
+ " }\n"
+ " function get(uint key) returns (uint value) {\n"
+ " return data[key];"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ map<u256, byte> data;
+ data[7] = 8;
+ auto get = [&](u256 const& _x) -> u256
+ {
+ return data[_x];
+ };
+ testSolidityAgainstCpp("get(uint256)", get, u256(6));
+ testSolidityAgainstCpp("get(uint256)", get, u256(7));
+}
+
+BOOST_AUTO_TEST_CASE(simple_accessor)
+{
+ char const* sourceCode = "contract test {\n"
+ " uint256 public data;\n"
+ " function test() {\n"
+ " data = 8;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("data()") == encodeArgs(8));
+}
+
+BOOST_AUTO_TEST_CASE(array_accessor)
+{
+ char const* sourceCode = R"(
+ contract test {
+ uint[8] public data;
+ uint[] public dynamicData;
+ uint24[] public smallTypeData;
+ struct st { uint a; uint[] finalArray; }
+ mapping(uint256 => mapping(uint256 => st[5])) public multiple_map;
+
+ function test() {
+ data[0] = 8;
+ dynamicData.length = 3;
+ dynamicData[2] = 8;
+ smallTypeData.length = 128;
+ smallTypeData[1] = 22;
+ smallTypeData[127] = 2;
+ multiple_map[2][1][2].a = 3;
+ multiple_map[2][1][2].finalArray.length = 4;
+ multiple_map[2][1][2].finalArray[3] = 5;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("data(uint256)", 0) == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("data(uint256)", 8) == encodeArgs());
+ BOOST_CHECK(callContractFunction("dynamicData(uint256)", 2) == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("dynamicData(uint256)", 8) == encodeArgs());
+ BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 1) == encodeArgs(22));
+ BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 127) == encodeArgs(2));
+ BOOST_CHECK(callContractFunction("smallTypeData(uint256)", 128) == encodeArgs());
+ BOOST_CHECK(callContractFunction("multiple_map(uint256,uint256,uint256)", 2, 1, 2) == encodeArgs(3));
+}
+
+BOOST_AUTO_TEST_CASE(accessors_mapping_for_array)
+{
+ char const* sourceCode = R"(
+ contract test {
+ mapping(uint => uint[8]) public data;
+ mapping(uint => uint[]) public dynamicData;
+ function test() {
+ data[2][2] = 8;
+ dynamicData[2].length = 3;
+ dynamicData[2][2] = 8;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("data(uint256,uint256)", 2, 2) == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("data(uint256, 256)", 2, 8) == encodeArgs());
+ BOOST_CHECK(callContractFunction("dynamicData(uint256,uint256)", 2, 2) == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("dynamicData(uint256,uint256)", 2, 8) == encodeArgs());
+}
+
+BOOST_AUTO_TEST_CASE(multiple_elementary_accessors)
+{
+ char const* sourceCode = "contract test {\n"
+ " uint256 public data;\n"
+ " bytes6 public name;\n"
+ " bytes32 public a_hash;\n"
+ " address public an_address;\n"
+ " function test() {\n"
+ " data = 8;\n"
+ " name = \"Celina\";\n"
+ " a_hash = sha3(123);\n"
+ " an_address = address(0x1337);\n"
+ " super_secret_data = 42;\n"
+ " }\n"
+ " uint256 super_secret_data;"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("data()") == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("name()") == encodeArgs("Celina"));
+ BOOST_CHECK(callContractFunction("a_hash()") == encodeArgs(dev::sha3(bytes(1, 0x7b))));
+ BOOST_CHECK(callContractFunction("an_address()") == encodeArgs(toBigEndian(u160(0x1337))));
+ BOOST_CHECK(callContractFunction("super_secret_data()") == bytes());
+}
+
+BOOST_AUTO_TEST_CASE(complex_accessors)
+{
+ char const* sourceCode = R"(
+ contract test {
+ mapping(uint256 => bytes4) public to_string_map;
+ mapping(uint256 => bool) public to_bool_map;
+ mapping(uint256 => uint256) public to_uint_map;
+ mapping(uint256 => mapping(uint256 => uint256)) public to_multiple_map;
+ function test() {
+ to_string_map[42] = "24";
+ to_bool_map[42] = false;
+ to_uint_map[42] = 12;
+ to_multiple_map[42][23] = 31;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("to_string_map(uint256)", 42) == encodeArgs("24"));
+ BOOST_CHECK(callContractFunction("to_bool_map(uint256)", 42) == encodeArgs(false));
+ BOOST_CHECK(callContractFunction("to_uint_map(uint256)", 42) == encodeArgs(12));
+ BOOST_CHECK(callContractFunction("to_multiple_map(uint256,uint256)", 42, 23) == encodeArgs(31));
+}
+
+BOOST_AUTO_TEST_CASE(struct_accessor)
+{
+ char const* sourceCode = R"(
+ contract test {
+ struct Data { uint a; uint8 b; mapping(uint => uint) c; bool d; }
+ mapping(uint => Data) public data;
+ function test() {
+ data[7].a = 1;
+ data[7].b = 2;
+ data[7].c[0] = 3;
+ data[7].d = true;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("data(uint256)", 7) == encodeArgs(1, 2, true));
+}
+
+BOOST_AUTO_TEST_CASE(balance)
+{
+ char const* sourceCode = "contract test {\n"
+ " function getBalance() returns (uint256 balance) {\n"
+ " return address(this).balance;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode, 23);
+ BOOST_CHECK(callContractFunction("getBalance()") == encodeArgs(23));
+}
+
+BOOST_AUTO_TEST_CASE(blockchain)
+{
+ char const* sourceCode = "contract test {\n"
+ " function someInfo() returns (uint256 value, address coinbase, uint256 blockNumber) {\n"
+ " value = msg.value;\n"
+ " coinbase = block.coinbase;\n"
+ " blockNumber = block.number;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode, 27);
+ BOOST_CHECK(callContractFunctionWithValue("someInfo()", 28) == encodeArgs(28, 0, 1));
+}
+
+BOOST_AUTO_TEST_CASE(msg_sig)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function foo(uint256 a) returns (bytes4 value) {
+ return msg.sig;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunctionWithValue("foo(uint256)", 13) == encodeArgs(asString(FixedHash<4>(dev::sha3("foo(uint256)")).asBytes())));
+}
+
+BOOST_AUTO_TEST_CASE(msg_sig_after_internal_call_is_same)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function boo() returns (bytes4 value) {
+ return msg.sig;
+ }
+ function foo(uint256 a) returns (bytes4 value) {
+ return boo();
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunctionWithValue("foo(uint256)", 13) == encodeArgs(asString(FixedHash<4>(dev::sha3("foo(uint256)")).asBytes())));
+}
+
+BOOST_AUTO_TEST_CASE(now)
+{
+ char const* sourceCode = "contract test {\n"
+ " function someInfo() returns (bool success) {\n"
+ " return block.timestamp == now && now > 0;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("someInfo()") == encodeArgs(true));
+}
+
+BOOST_AUTO_TEST_CASE(function_types)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(bool selector) returns (uint b) {\n"
+ " var f = fun1;\n"
+ " if (selector) f = fun2;\n"
+ " return f(9);\n"
+ " }\n"
+ " function fun1(uint x) returns (uint b) {\n"
+ " return 11;\n"
+ " }\n"
+ " function fun2(uint x) returns (uint b) {\n"
+ " return 12;\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("a(bool)", false) == encodeArgs(11));
+ BOOST_CHECK(callContractFunction("a(bool)", true) == encodeArgs(12));
+}
+
+BOOST_AUTO_TEST_CASE(type_conversions_cleanup)
+{
+ // 22-byte integer converted to a contract (i.e. address, 20 bytes), converted to a 32 byte
+ // integer should drop the first two bytes
+ char const* sourceCode = R"(
+ contract Test {
+ function test() returns (uint ret) { return uint(address(Test(address(0x11223344556677889900112233445566778899001122)))); }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_REQUIRE(callContractFunction("test()") == bytes({0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0x00, 0x11, 0x22,
+ 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0x00, 0x11, 0x22}));
+}
+// fixed bytes to fixed bytes conversion tests
+BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_smaller_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function bytesToBytes(bytes4 input) returns (bytes2 ret) {
+ return bytes2(input);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("bytesToBytes(bytes4)", "abcd") == encodeArgs("ab"));
+}
+
+BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_greater_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function bytesToBytes(bytes2 input) returns (bytes4 ret) {
+ return bytes4(input);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("bytesToBytes(bytes2)", "ab") == encodeArgs("ab"));
+}
+
+BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_fixed_bytes_same_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function bytesToBytes(bytes4 input) returns (bytes4 ret) {
+ return bytes4(input);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("bytesToBytes(bytes4)", "abcd") == encodeArgs("abcd"));
+}
+// fixed bytes to uint conversion tests
+BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_same_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function bytesToUint(bytes32 s) returns (uint256 h) {
+ return uint(s);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("bytesToUint(bytes32)", string("abc2")) ==
+ encodeArgs(u256("0x6162633200000000000000000000000000000000000000000000000000000000")));
+}
+
+BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_same_min_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function bytesToUint(bytes1 s) returns (uint8 h) {
+ return uint8(s);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("bytesToUint(bytes1)", string("a")) ==
+ encodeArgs(u256("0x61")));
+}
+
+BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_smaller_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function bytesToUint(bytes4 s) returns (uint16 h) {
+ return uint16(s);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("bytesToUint(bytes4)", string("abcd")) ==
+ encodeArgs(u256("0x6364")));
+}
+
+BOOST_AUTO_TEST_CASE(convert_fixed_bytes_to_uint_greater_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function bytesToUint(bytes4 s) returns (uint64 h) {
+ return uint64(s);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("bytesToUint(bytes4)", string("abcd")) ==
+ encodeArgs(u256("0x61626364")));
+}
+// uint fixed bytes conversion tests
+BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_same_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function uintToBytes(uint256 h) returns (bytes32 s) {
+ return bytes32(h);
+ }
+ })";
+ compileAndRun(sourceCode);
+ u256 a("0x6162630000000000000000000000000000000000000000000000000000000000");
+ BOOST_CHECK(callContractFunction("uintToBytes(uint256)", a) == encodeArgs(a));
+}
+
+BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_same_min_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function UintToBytes(uint8 h) returns (bytes1 s) {
+ return bytes1(h);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("UintToBytes(uint8)", u256("0x61")) ==
+ encodeArgs(string("a")));
+}
+
+BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_smaller_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function uintToBytes(uint32 h) returns (bytes2 s) {
+ return bytes2(h);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("uintToBytes(uint32)",
+ u160("0x61626364")) == encodeArgs(string("cd")));
+}
+
+BOOST_AUTO_TEST_CASE(convert_uint_to_fixed_bytes_greater_size)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ function UintToBytes(uint16 h) returns (bytes8 s) {
+ return bytes8(h);
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("UintToBytes(uint16)", u256("0x6162")) ==
+ encodeArgs(string("\0\0\0\0\0\0ab", 8)));
+}
+
+BOOST_AUTO_TEST_CASE(send_ether)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(address addr, uint amount) returns (uint ret) {\n"
+ " addr.send(amount);\n"
+ " return address(this).balance;\n"
+ " }\n"
+ "}\n";
+ u256 amount(130);
+ compileAndRun(sourceCode, amount + 1);
+ u160 address(23);
+ BOOST_CHECK(callContractFunction("a(address,uint256)", address, amount) == encodeArgs(1));
+ BOOST_CHECK_EQUAL(m_state.balance(address), amount);
+}
+
+BOOST_AUTO_TEST_CASE(log0)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a() {\n"
+ " log0(1);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ callContractFunction("a()");
+ BOOST_CHECK_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
+ BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 0);
+}
+
+BOOST_AUTO_TEST_CASE(log1)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a() {\n"
+ " log1(1, 2);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ callContractFunction("a()");
+ BOOST_CHECK_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
+ BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2)));
+}
+
+BOOST_AUTO_TEST_CASE(log2)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a() {\n"
+ " log2(1, 2, 3);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ callContractFunction("a()");
+ BOOST_CHECK_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
+ BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 2);
+ for (unsigned i = 0; i < 2; ++i)
+ BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
+}
+
+BOOST_AUTO_TEST_CASE(log3)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a() {\n"
+ " log3(1, 2, 3, 4);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ callContractFunction("a()");
+ BOOST_CHECK_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
+ BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 3);
+ for (unsigned i = 0; i < 3; ++i)
+ BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
+}
+
+BOOST_AUTO_TEST_CASE(log4)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a() {\n"
+ " log4(1, 2, 3, 4, 5);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ callContractFunction("a()");
+ BOOST_CHECK_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
+ BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 4);
+ for (unsigned i = 0; i < 4; ++i)
+ BOOST_CHECK_EQUAL(m_logs[0].topics[i], h256(u256(i + 2)));
+}
+
+BOOST_AUTO_TEST_CASE(log_in_constructor)
+{
+ char const* sourceCode = "contract test {\n"
+ " function test() {\n"
+ " log1(1, 2);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ BOOST_CHECK_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(1)));
+ BOOST_CHECK_EQUAL(m_logs[0].topics.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(u256(2)));
+}
+
+BOOST_AUTO_TEST_CASE(suicide)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(address receiver) returns (uint ret) {\n"
+ " suicide(receiver);\n"
+ " return 10;\n"
+ " }\n"
+ "}\n";
+ u256 amount(130);
+ compileAndRun(sourceCode, amount);
+ u160 address(23);
+ BOOST_CHECK(callContractFunction("a(address)", address) == bytes());
+ BOOST_CHECK(!m_state.addressHasCode(m_contractAddress));
+ BOOST_CHECK_EQUAL(m_state.balance(address), amount);
+}
+
+BOOST_AUTO_TEST_CASE(sha3)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(bytes32 input) returns (bytes32 sha3hash) {\n"
+ " return sha3(input);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto f = [&](u256 const& _x) -> u256
+ {
+ return dev::sha3(toBigEndian(_x));
+ };
+ testSolidityAgainstCpp("a(bytes32)", f, u256(4));
+ testSolidityAgainstCpp("a(bytes32)", f, u256(5));
+ testSolidityAgainstCpp("a(bytes32)", f, u256(-1));
+}
+
+BOOST_AUTO_TEST_CASE(sha256)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(bytes32 input) returns (bytes32 sha256hash) {\n"
+ " return sha256(input);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto f = [&](u256 const& _input) -> u256
+ {
+ h256 ret;
+ dev::sha256(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
+ return ret;
+ };
+ testSolidityAgainstCpp("a(bytes32)", f, u256(4));
+ testSolidityAgainstCpp("a(bytes32)", f, u256(5));
+ testSolidityAgainstCpp("a(bytes32)", f, u256(-1));
+}
+
+BOOST_AUTO_TEST_CASE(ripemd)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(bytes32 input) returns (bytes32 sha256hash) {\n"
+ " return ripemd160(input);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ auto f = [&](u256 const& _input) -> u256
+ {
+ h256 ret;
+ dev::ripemd160(dev::ref(toBigEndian(_input)), bytesRef(&ret[0], 32));
+ return u256(ret) >> (256 - 160);
+ };
+ testSolidityAgainstCpp("a(bytes32)", f, u256(4));
+ testSolidityAgainstCpp("a(bytes32)", f, u256(5));
+ testSolidityAgainstCpp("a(bytes32)", f, u256(-1));
+}
+
+BOOST_AUTO_TEST_CASE(ecrecover)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(bytes32 h, uint8 v, bytes32 r, bytes32 s) returns (address addr) {\n"
+ " return ecrecover(h, v, r, s);\n"
+ " }\n"
+ "}\n";
+ compileAndRun(sourceCode);
+ u256 h("0x18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c");
+ byte v = 28;
+ u256 r("0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f");
+ u256 s("0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549");
+ u160 addr("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b");
+ BOOST_CHECK(callContractFunction("a(bytes32,uint8,bytes32,bytes32)", h, v, r, s) == encodeArgs(addr));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls)
+{
+ char const* sourceCode = R"(
+ contract Helper {
+ function multiply(uint a, uint b) returns (uint c) {
+ return a * b;
+ }
+ }
+ contract Main {
+ Helper h;
+ function callHelper(uint a, uint b) returns (uint c) {
+ return h.multiply(a, b);
+ }
+ function getHelper() returns (address haddress) {
+ return address(h);
+ }
+ function setHelper(address haddress) {
+ h = Helper(haddress);
+ }
+ })";
+ compileAndRun(sourceCode, 0, "Helper");
+ u160 const c_helperAddress = m_contractAddress;
+ compileAndRun(sourceCode, 0, "Main");
+ BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
+ BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
+ u256 a(3456789);
+ u256 b("0x282837623374623234aa74");
+ BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls_with_complex_parameters)
+{
+ char const* sourceCode = R"(
+ contract Helper {
+ function sel(uint a, bool select, uint b) returns (uint c) {
+ if (select) return a; else return b;
+ }
+ }
+ contract Main {
+ Helper h;
+ function callHelper(uint a, bool select, uint b) returns (uint c) {
+ return h.sel(a, select, b) * 3;
+ }
+ function getHelper() returns (address haddress) {
+ return address(h);
+ }
+ function setHelper(address haddress) {
+ h = Helper(haddress);
+ }
+ })";
+ compileAndRun(sourceCode, 0, "Helper");
+ u160 const c_helperAddress = m_contractAddress;
+ compileAndRun(sourceCode, 0, "Main");
+ BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
+ BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
+ u256 a(3456789);
+ u256 b("0x282837623374623234aa74");
+ BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, true, b) == encodeArgs(a * 3));
+ BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, false, b) == encodeArgs(b * 3));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls_accessing_this)
+{
+ char const* sourceCode = R"(
+ contract Helper {
+ function getAddress() returns (address addr) {
+ return address(this);
+ }
+ }
+ contract Main {
+ Helper h;
+ function callHelper() returns (address addr) {
+ return h.getAddress();
+ }
+ function getHelper() returns (address addr) {
+ return address(h);
+ }
+ function setHelper(address addr) {
+ h = Helper(addr);
+ }
+ })";
+ compileAndRun(sourceCode, 0, "Helper");
+ u160 const c_helperAddress = m_contractAddress;
+ compileAndRun(sourceCode, 0, "Main");
+ BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
+ BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
+ BOOST_REQUIRE(callContractFunction("callHelper()") == encodeArgs(c_helperAddress));
+}
+
+BOOST_AUTO_TEST_CASE(calls_to_this)
+{
+ char const* sourceCode = R"(
+ contract Helper {
+ function invoke(uint a, uint b) returns (uint c) {
+ return this.multiply(a, b, 10);
+ }
+ function multiply(uint a, uint b, uint8 c) returns (uint ret) {
+ return a * b + c;
+ }
+ }
+ contract Main {
+ Helper h;
+ function callHelper(uint a, uint b) returns (uint ret) {
+ return h.invoke(a, b);
+ }
+ function getHelper() returns (address addr) {
+ return address(h);
+ }
+ function setHelper(address addr) {
+ h = Helper(addr);
+ }
+ })";
+ compileAndRun(sourceCode, 0, "Helper");
+ u160 const c_helperAddress = m_contractAddress;
+ compileAndRun(sourceCode, 0, "Main");
+ BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
+ BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
+ u256 a(3456789);
+ u256 b("0x282837623374623234aa74");
+ BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 10));
+}
+
+BOOST_AUTO_TEST_CASE(inter_contract_calls_with_local_vars)
+{
+ // note that a reference to another contract's function occupies two stack slots,
+ // so this tests correct stack slot allocation
+ char const* sourceCode = R"(
+ contract Helper {
+ function multiply(uint a, uint b) returns (uint c) {
+ return a * b;
+ }
+ }
+ contract Main {
+ Helper h;
+ function callHelper(uint a, uint b) returns (uint c) {
+ var fu = h.multiply;
+ var y = 9;
+ var ret = fu(a, b);
+ return ret + y;
+ }
+ function getHelper() returns (address haddress) {
+ return address(h);
+ }
+ function setHelper(address haddress) {
+ h = Helper(haddress);
+ }
+ })";
+ compileAndRun(sourceCode, 0, "Helper");
+ u160 const c_helperAddress = m_contractAddress;
+ compileAndRun(sourceCode, 0, "Main");
+ BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
+ BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
+ u256 a(3456789);
+ u256 b("0x282837623374623234aa74");
+ BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 9));
+}
+
+BOOST_AUTO_TEST_CASE(fixed_bytes_in_calls)
+{
+ char const* sourceCode = R"(
+ contract Helper {
+ function invoke(bytes3 x, bool stop) returns (bytes4 ret) {
+ return x;
+ }
+ }
+ contract Main {
+ Helper h;
+ function callHelper(bytes2 x, bool stop) returns (bytes5 ret) {
+ return h.invoke(x, stop);
+ }
+ function getHelper() returns (address addr) {
+ return address(h);
+ }
+ function setHelper(address addr) {
+ h = Helper(addr);
+ }
+ })";
+ compileAndRun(sourceCode, 0, "Helper");
+ u160 const c_helperAddress = m_contractAddress;
+ compileAndRun(sourceCode, 0, "Main");
+ BOOST_REQUIRE(callContractFunction("setHelper(address)", c_helperAddress) == bytes());
+ BOOST_REQUIRE(callContractFunction("getHelper()", c_helperAddress) == encodeArgs(c_helperAddress));
+ BOOST_CHECK(callContractFunction("callHelper(bytes2,bool)", string("\0a", 2), true) == encodeArgs(string("\0a\0\0\0", 5)));
+}
+
+BOOST_AUTO_TEST_CASE(constructor_arguments)
+{
+ char const* sourceCode = R"(
+ contract Helper {
+ bytes3 name;
+ bool flag;
+
+ function Helper(bytes3 x, bool f) {
+ name = x;
+ flag = f;
+ }
+ function getName() returns (bytes3 ret) { return name; }
+ function getFlag() returns (bool ret) { return flag; }
+ }
+ contract Main {
+ Helper h;
+ function Main() {
+ h = new Helper("abc", true);
+ }
+ function getFlag() returns (bool ret) { return h.getFlag(); }
+ function getName() returns (bytes3 ret) { return h.getName(); }
+ })";
+ compileAndRun(sourceCode, 0, "Main");
+ BOOST_REQUIRE(callContractFunction("getFlag()") == encodeArgs(true));
+ BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
+}
+
+BOOST_AUTO_TEST_CASE(functions_called_by_constructor)
+{
+ char const* sourceCode = R"(
+ contract Test {
+ bytes3 name;
+ bool flag;
+ function Test() {
+ setName("abc");
+ }
+ function getName() returns (bytes3 ret) { return name; }
+ function setName(bytes3 _name) private { name = _name; }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
+}
+
+BOOST_AUTO_TEST_CASE(contracts_as_addresses)
+{
+ char const* sourceCode = R"(
+ contract helper {
+ }
+ contract test {
+ helper h;
+ function test() { h = new helper(); h.send(5); }
+ function getBalance() returns (uint256 myBalance, uint256 helperBalance) {
+ myBalance = this.balance;
+ helperBalance = h.balance;
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 20);
+ BOOST_REQUIRE(callContractFunction("getBalance()") == encodeArgs(u256(20 - 5), u256(5)));
+}
+
+BOOST_AUTO_TEST_CASE(gas_and_value_basic)
+{
+ char const* sourceCode = R"(
+ contract helper {
+ bool flag;
+ function getBalance() returns (uint256 myBalance) {
+ return this.balance;
+ }
+ function setFlag() { flag = true; }
+ function getFlag() returns (bool fl) { return flag; }
+ }
+ contract test {
+ helper h;
+ function test() { h = new helper(); }
+ function sendAmount(uint amount) returns (uint256 bal) {
+ return h.getBalance.value(amount)();
+ }
+ function outOfGas() returns (bool ret) {
+ h.setFlag.gas(2)(); // should fail due to OOG
+ return true;
+ }
+ function checkState() returns (bool flagAfter, uint myBal) {
+ flagAfter = h.getFlag();
+ myBal = this.balance;
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 20);
+ BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(5));
+ // call to helper should not succeed but amount should be transferred anyway
+ BOOST_REQUIRE(callContractFunction("outOfGas()", 5) == bytes());
+ BOOST_REQUIRE(callContractFunction("checkState()", 5) == encodeArgs(false, 20 - 5));
+}
+
+BOOST_AUTO_TEST_CASE(gas_for_builtin)
+{
+ char const* sourceCode = R"(
+ contract Contract {
+ function test(uint g) returns (bytes32 data, bool flag) {
+ data = ripemd160.gas(g)("abc");
+ flag = true;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test(uint256)", 500) == bytes());
+ BOOST_CHECK(callContractFunction("test(uint256)", 800) == encodeArgs(u256("0x8eb208f7e05d987a9b044a8e98c6b087f15a0bfc"), true));
+}
+
+BOOST_AUTO_TEST_CASE(value_complex)
+{
+ char const* sourceCode = R"(
+ contract helper {
+ function getBalance() returns (uint256 myBalance) {
+ return this.balance;
+ }
+ }
+ contract test {
+ helper h;
+ function test() { h = new helper(); }
+ function sendAmount(uint amount) returns (uint256 bal) {
+ var x1 = h.getBalance.value(amount);
+ uint someStackElement = 20;
+ var x2 = x1.gas(1000);
+ return x2.value(amount + 3)();// overwrite value
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 20);
+ BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8));
+}
+
+BOOST_AUTO_TEST_CASE(value_insane)
+{
+ char const* sourceCode = R"(
+ contract helper {
+ function getBalance() returns (uint256 myBalance) {
+ return this.balance;
+ }
+ }
+ contract test {
+ helper h;
+ function test() { h = new helper(); }
+ function sendAmount(uint amount) returns (uint256 bal) {
+ var x1 = h.getBalance.value;
+ var x2 = x1(amount).gas;
+ var x3 = x2(1000).value;
+ return x3(amount + 3)();// overwrite value
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 20);
+ BOOST_REQUIRE(callContractFunction("sendAmount(uint256)", 5) == encodeArgs(8));
+}
+
+BOOST_AUTO_TEST_CASE(value_for_constructor)
+{
+ char const* sourceCode = R"(
+ contract Helper {
+ bytes3 name;
+ bool flag;
+ function Helper(bytes3 x, bool f) {
+ name = x;
+ flag = f;
+ }
+ function getName() returns (bytes3 ret) { return name; }
+ function getFlag() returns (bool ret) { return flag; }
+ }
+ contract Main {
+ Helper h;
+ function Main() {
+ h = new Helper.value(10)("abc", true);
+ }
+ function getFlag() returns (bool ret) { return h.getFlag(); }
+ function getName() returns (bytes3 ret) { return h.getName(); }
+ function getBalances() returns (uint me, uint them) { me = this.balance; them = h.balance;}
+ })";
+ compileAndRun(sourceCode, 22, "Main");
+ BOOST_REQUIRE(callContractFunction("getFlag()") == encodeArgs(true));
+ BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
+ BOOST_REQUIRE(callContractFunction("getBalances()") == encodeArgs(12, 10));
+}
+
+BOOST_AUTO_TEST_CASE(virtual_function_calls)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ function f() returns (uint i) { return g(); }
+ function g() returns (uint i) { return 1; }
+ }
+ contract Derived is Base {
+ function g() returns (uint i) { return 2; }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("g()") == encodeArgs(2));
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(2));
+}
+
+BOOST_AUTO_TEST_CASE(access_base_storage)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ uint dataBase;
+ function getViaBase() returns (uint i) { return dataBase; }
+ }
+ contract Derived is Base {
+ uint dataDerived;
+ function setData(uint base, uint derived) returns (bool r) {
+ dataBase = base;
+ dataDerived = derived;
+ return true;
+ }
+ function getViaDerived() returns (uint base, uint derived) {
+ base = dataBase;
+ derived = dataDerived;
+ }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("setData(uint256,uint256)", 1, 2) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("getViaBase()") == encodeArgs(1));
+ BOOST_CHECK(callContractFunction("getViaDerived()") == encodeArgs(1, 2));
+}
+
+BOOST_AUTO_TEST_CASE(single_copy_with_multiple_inheritance)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ uint data;
+ function setData(uint i) { data = i; }
+ function getViaBase() returns (uint i) { return data; }
+ }
+ contract A is Base { function setViaA(uint i) { setData(i); } }
+ contract B is Base { function getViaB() returns (uint i) { return getViaBase(); } }
+ contract Derived is Base, B, A { }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("getViaB()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("setViaA(uint256)", 23) == encodeArgs());
+ BOOST_CHECK(callContractFunction("getViaB()") == encodeArgs(23));
+}
+
+BOOST_AUTO_TEST_CASE(explicit_base_cass)
+{
+ char const* sourceCode = R"(
+ contract BaseBase { function g() returns (uint r) { return 1; } }
+ contract Base is BaseBase { function g() returns (uint r) { return 2; } }
+ contract Derived is Base {
+ function f() returns (uint r) { return BaseBase.g(); }
+ function g() returns (uint r) { return 3; }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("g()") == encodeArgs(3));
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(base_constructor_arguments)
+{
+ char const* sourceCode = R"(
+ contract BaseBase {
+ uint m_a;
+ function BaseBase(uint a) {
+ m_a = a;
+ }
+ }
+ contract Base is BaseBase(7) {
+ function Base() {
+ m_a *= m_a;
+ }
+ }
+ contract Derived is Base() {
+ function getA() returns (uint r) { return m_a; }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("getA()") == encodeArgs(7 * 7));
+}
+
+BOOST_AUTO_TEST_CASE(function_usage_in_constructor_arguments)
+{
+ char const* sourceCode = R"(
+ contract BaseBase {
+ uint m_a;
+ function BaseBase(uint a) {
+ m_a = a;
+ }
+ function g() returns (uint r) { return 2; }
+ }
+ contract Base is BaseBase(BaseBase.g()) {
+ }
+ contract Derived is Base() {
+ function getA() returns (uint r) { return m_a; }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("getA()") == encodeArgs(2));
+}
+
+BOOST_AUTO_TEST_CASE(virtual_function_usage_in_constructor_arguments)
+{
+ char const* sourceCode = R"(
+ contract BaseBase {
+ uint m_a;
+ function BaseBase(uint a) {
+ m_a = a;
+ }
+ function overridden() returns (uint r) { return 1; }
+ function g() returns (uint r) { return overridden(); }
+ }
+ contract Base is BaseBase(BaseBase.g()) {
+ }
+ contract Derived is Base() {
+ function getA() returns (uint r) { return m_a; }
+ function overridden() returns (uint r) { return 2; }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("getA()") == encodeArgs(2));
+}
+
+BOOST_AUTO_TEST_CASE(constructor_argument_overriding)
+{
+ char const* sourceCode = R"(
+ contract BaseBase {
+ uint m_a;
+ function BaseBase(uint a) {
+ m_a = a;
+ }
+ }
+ contract Base is BaseBase(2) { }
+ contract Derived is BaseBase(3), Base {
+ function getA() returns (uint r) { return m_a; }
+ }
+ )";
+ compileAndRun(sourceCode, 0, "Derived");
+ BOOST_CHECK(callContractFunction("getA()") == encodeArgs(3));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier)
+{
+ char const* sourceCode = R"(
+ contract C {
+ function getOne() nonFree returns (uint r) { return 1; }
+ modifier nonFree { if (msg.value > 0) _ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getOne()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunctionWithValue("getOne()", 1) == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_local_variables)
+{
+ char const* sourceCode = R"(
+ contract C {
+ modifier mod1 { var a = 1; var b = 2; _ }
+ modifier mod2(bool a) { if (a) return; else _ }
+ function f(bool a) mod1 mod2(a) returns (uint r) { return 3; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(3));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_loop)
+{
+ char const* sourceCode = R"(
+ contract C {
+ modifier repeat(uint count) { for (var i = 0; i < count; ++i) _ }
+ function f() repeat(10) returns (uint r) { r += 1; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(10));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_multi_invocation)
+{
+ char const* sourceCode = R"(
+ contract C {
+ modifier repeat(bool twice) { if (twice) _ _ }
+ function f(bool twice) repeat(twice) returns (uint r) { r += 1; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(1));
+ BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(2));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_multi_with_return)
+{
+ // Here, the explicit return prevents the second execution
+ char const* sourceCode = R"(
+ contract C {
+ modifier repeat(bool twice) { if (twice) _ _ }
+ function f(bool twice) repeat(twice) returns (uint r) { r += 1; return r; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(1));
+ BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_overriding)
+{
+ char const* sourceCode = R"(
+ contract A {
+ function f() mod returns (bool r) { return true; }
+ modifier mod { _ }
+ }
+ contract C is A {
+ modifier mod { }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(false));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_calling_functions_in_creation_context)
+{
+ char const* sourceCode = R"(
+ contract A {
+ uint data;
+ function A() mod1 { f1(); }
+ function f1() mod2 { data |= 0x1; }
+ function f2() { data |= 0x20; }
+ function f3() { }
+ modifier mod1 { f2(); _ }
+ modifier mod2 { f3(); }
+ function getData() returns (uint r) { return data; }
+ }
+ contract C is A {
+ modifier mod1 { f4(); _ }
+ function f3() { data |= 0x300; }
+ function f4() { data |= 0x4000; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0x4300));
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_for_constructor)
+{
+ char const* sourceCode = R"(
+ contract A {
+ uint data;
+ function A() mod1 { data |= 2; }
+ modifier mod1 { data |= 1; _ }
+ function getData() returns (uint r) { return data; }
+ }
+ contract C is A {
+ modifier mod1 { data |= 4; _ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getData()") == encodeArgs(4 | 2));
+}
+
+BOOST_AUTO_TEST_CASE(use_std_lib)
+{
+ char const* sourceCode = R"(
+ import "mortal";
+ contract Icarus is mortal { }
+ )";
+ m_addStandardSources = true;
+ u256 amount(130);
+ u160 address(23);
+ compileAndRun(sourceCode, amount, "Icarus");
+ u256 balanceBefore = m_state.balance(m_sender);
+ BOOST_CHECK(callContractFunction("kill()") == bytes());
+ BOOST_CHECK(!m_state.addressHasCode(m_contractAddress));
+ BOOST_CHECK(m_state.balance(m_sender) > balanceBefore);
+}
+
+BOOST_AUTO_TEST_CASE(crazy_elementary_typenames_on_stack)
+{
+ char const* sourceCode = R"(
+ contract C {
+ function f() returns (uint r) {
+ uint; uint; uint; uint;
+ int x = -7;
+ var a = uint;
+ return a(x);
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(-7)));
+}
+
+BOOST_AUTO_TEST_CASE(super)
+{
+ char const* sourceCode = R"(
+ contract A { function f() returns (uint r) { return 1; } }
+ contract B is A { function f() returns (uint r) { return super.f() | 2; } }
+ contract C is A { function f() returns (uint r) { return super.f() | 4; } }
+ contract D is B, C { function f() returns (uint r) { return super.f() | 8; } }
+ )";
+ compileAndRun(sourceCode, 0, "D");
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(1 | 2 | 4 | 8));
+}
+
+BOOST_AUTO_TEST_CASE(super_in_constructor)
+{
+ char const* sourceCode = R"(
+ contract A { function f() returns (uint r) { return 1; } }
+ contract B is A { function f() returns (uint r) { return super.f() | 2; } }
+ contract C is A { function f() returns (uint r) { return super.f() | 4; } }
+ contract D is B, C { uint data; function D() { data = super.f() | 8; } function f() returns (uint r) { return data; } }
+ )";
+ compileAndRun(sourceCode, 0, "D");
+ BOOST_CHECK(callContractFunction("f()") == encodeArgs(1 | 2 | 4 | 8));
+}
+
+BOOST_AUTO_TEST_CASE(fallback_function)
+{
+ char const* sourceCode = R"(
+ contract A {
+ uint data;
+ function() returns (uint r) { data = 1; return 2; }
+ function getData() returns (uint r) { return data; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("") == encodeArgs(2));
+ BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(inherited_fallback_function)
+{
+ char const* sourceCode = R"(
+ contract A {
+ uint data;
+ function() returns (uint r) { data = 1; return 2; }
+ function getData() returns (uint r) { return data; }
+ }
+ contract B is A {}
+ )";
+ compileAndRun(sourceCode, 0, "B");
+ BOOST_CHECK(callContractFunction("getData()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("") == encodeArgs(2));
+ BOOST_CHECK(callContractFunction("getData()") == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(event)
+{
+ char const* sourceCode = R"(
+ contract ClientReceipt {
+ event Deposit(address indexed _from, bytes32 indexed _id, uint _value);
+ function deposit(bytes32 _id, bool _manually) {
+ if (_manually) {
+ bytes32 s = 0x19dacbf83c5de6658e14cbf7bcae5c15eca2eedecf1c66fbca928e4d351bea0f;
+ log3(bytes32(msg.value), s, bytes32(msg.sender), _id);
+ } else
+ Deposit(msg.sender, _id, msg.value);
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ u256 value(18);
+ u256 id(0x1234);
+ for (bool manually: {true, false})
+ {
+ callContractFunctionWithValue("deposit(bytes32,bool)", value, id, manually);
+ BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(value)));
+ BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 3);
+ BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(address,bytes32,uint256)")));
+ BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(m_sender));
+ BOOST_CHECK_EQUAL(m_logs[0].topics[2], h256(id));
+ }
+}
+
+BOOST_AUTO_TEST_CASE(event_no_arguments)
+{
+ char const* sourceCode = R"(
+ contract ClientReceipt {
+ event Deposit;
+ function deposit() {
+ Deposit();
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ callContractFunction("deposit()");
+ BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK(m_logs[0].data.empty());
+ BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit()")));
+}
+
+BOOST_AUTO_TEST_CASE(event_anonymous)
+{
+ char const* sourceCode = R"(
+ contract ClientReceipt {
+ event Deposit() anonymous;
+ function deposit() {
+ Deposit();
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ callContractFunction("deposit()");
+ BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 0);
+}
+
+BOOST_AUTO_TEST_CASE(event_anonymous_with_topics)
+{
+ char const* sourceCode = R"(
+ contract ClientReceipt {
+ event Deposit(address indexed _from, bytes32 indexed _id, uint _value) anonymous;
+ function deposit(bytes32 _id, bool _manually) {
+ Deposit(msg.sender, _id, msg.value);
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ u256 value(18);
+ u256 id(0x1234);
+ callContractFunctionWithValue("deposit(bytes32,bool)", value, id);
+ BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK_EQUAL(h256(m_logs[0].data), h256(u256(value)));
+ BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 2);
+ BOOST_CHECK_EQUAL(m_logs[0].topics[0], h256(m_sender));
+ BOOST_CHECK_EQUAL(m_logs[0].topics[1], h256(id));
+}
+
+BOOST_AUTO_TEST_CASE(event_lots_of_data)
+{
+ char const* sourceCode = R"(
+ contract ClientReceipt {
+ event Deposit(address _from, bytes32 _id, uint _value, bool _flag);
+ function deposit(bytes32 _id) {
+ Deposit(msg.sender, _id, msg.value, true);
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ u256 value(18);
+ u256 id(0x1234);
+ callContractFunctionWithValue("deposit(bytes32)", value, id);
+ BOOST_REQUIRE_EQUAL(m_logs.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].address, m_contractAddress);
+ BOOST_CHECK(m_logs[0].data == encodeArgs((u160)m_sender, id, value, true));
+ BOOST_REQUIRE_EQUAL(m_logs[0].topics.size(), 1);
+ BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::sha3(string("Deposit(address,bytes32,uint256,bool)")));
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f(uint, uint k) returns(uint ret_k, uint ret_g){
+ uint g = 8;
+ ret_k = k;
+ ret_g = g;
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) != encodeArgs(5, 8));
+ BOOST_CHECK(callContractFunction("f(uint256,uint256)", 5, 9) == encodeArgs(9, 8));
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f(uint k) returns(uint){
+ return k;
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("f(uint256)", 9) == encodeArgs(9));
+}
+
+BOOST_AUTO_TEST_CASE(sha3_multiple_arguments)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function foo(uint a, uint b, uint c) returns (bytes32 d)
+ {
+ d = sha3(a, b, c);
+ }
+ })";
+ compileAndRun(sourceCode);
+
+ BOOST_CHECK(callContractFunction("foo(uint256,uint256,uint256)", 10, 12, 13) == encodeArgs(
+ dev::sha3(
+ toBigEndian(u256(10)) +
+ toBigEndian(u256(12)) +
+ toBigEndian(u256(13)))));
+}
+
+BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_numeric_literals)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function foo(uint a, uint16 b) returns (bytes32 d)
+ {
+ d = sha3(a, b, 145);
+ }
+ })";
+ compileAndRun(sourceCode);
+
+ BOOST_CHECK(callContractFunction("foo(uint256,uint16)", 10, 12) == encodeArgs(
+ dev::sha3(
+ toBigEndian(u256(10)) +
+ bytes{0x0, 0xc} +
+ bytes(1, 0x91))));
+}
+
+BOOST_AUTO_TEST_CASE(sha3_multiple_arguments_with_string_literals)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function foo() returns (bytes32 d)
+ {
+ d = sha3("foo");
+ }
+ function bar(uint a, uint16 b) returns (bytes32 d)
+ {
+ d = sha3(a, b, 145, "foo");
+ }
+ })";
+ compileAndRun(sourceCode);
+
+ BOOST_CHECK(callContractFunction("foo()") == encodeArgs(dev::sha3("foo")));
+
+ BOOST_CHECK(callContractFunction("bar(uint256,uint16)", 10, 12) == encodeArgs(
+ dev::sha3(
+ toBigEndian(u256(10)) +
+ bytes{0x0, 0xc} +
+ bytes(1, 0x91) +
+ bytes{0x66, 0x6f, 0x6f})));
+}
+
+BOOST_AUTO_TEST_CASE(generic_call)
+{
+ char const* sourceCode = R"**(
+ contract receiver {
+ uint public received;
+ function receive(uint256 x) { received = x; }
+ }
+ contract sender {
+ function doSend(address rec) returns (uint d)
+ {
+ bytes4 signature = bytes4(bytes32(sha3("receive(uint256)")));
+ rec.call.value(2)(signature, 23);
+ return receiver(rec).received();
+ }
+ }
+ )**";
+ compileAndRun(sourceCode, 0, "receiver");
+ u160 const c_receiverAddress = m_contractAddress;
+ compileAndRun(sourceCode, 50, "sender");
+ BOOST_REQUIRE(callContractFunction("doSend(address)", c_receiverAddress) == encodeArgs(23));
+ BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 50 - 2);
+}
+
+BOOST_AUTO_TEST_CASE(store_bytes)
+{
+ // this test just checks that the copy loop does not mess up the stack
+ char const* sourceCode = R"(
+ contract C {
+ function save() returns (uint r) {
+ r = 23;
+ savedData = msg.data;
+ r = 24;
+ }
+ bytes savedData;
+ }
+ )";
+ compileAndRun(sourceCode);
+ // empty copy loop
+ BOOST_CHECK(callContractFunction("save()") == encodeArgs(24));
+ BOOST_CHECK(callContractFunction("save()", "abcdefg") == encodeArgs(24));
+}
+
+BOOST_AUTO_TEST_CASE(bytes_from_calldata_to_memory)
+{
+ char const* sourceCode = R"(
+ contract C {
+ function() returns (bytes32) {
+ return sha3("abc", msg.data);
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ bytes calldata1 = bytes(61, 0x22) + bytes(12, 0x12);
+ sendMessage(calldata1, false);
+ BOOST_CHECK(m_output == encodeArgs(dev::sha3(bytes{'a', 'b', 'c'} + calldata1)));
+}
+
+BOOST_AUTO_TEST_CASE(call_forward_bytes)
+{
+ char const* sourceCode = R"(
+ contract receiver {
+ uint public received;
+ function receive(uint x) { received += x + 1; }
+ function() { received = 0x80; }
+ }
+ contract sender {
+ function sender() { rec = new receiver(); }
+ function() { savedData = msg.data; }
+ function forward() returns (bool) { rec.call(savedData); return true; }
+ function clear() returns (bool) { delete savedData; return true; }
+ function val() returns (uint) { return rec.received(); }
+ receiver rec;
+ bytes savedData;
+ }
+ )";
+ compileAndRun(sourceCode, 0, "sender");
+ BOOST_CHECK(callContractFunction("receive(uint256)", 7) == bytes());
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("forward()") == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("clear()") == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("forward()") == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(0x80));
+}
+
+BOOST_AUTO_TEST_CASE(copying_bytes_multiassign)
+{
+ char const* sourceCode = R"(
+ contract receiver {
+ uint public received;
+ function receive(uint x) { received += x + 1; }
+ function() { received = 0x80; }
+ }
+ contract sender {
+ function sender() { rec = new receiver(); }
+ function() { savedData1 = savedData2 = msg.data; }
+ function forward(bool selector) returns (bool) {
+ if (selector) { rec.call(savedData1); delete savedData1; }
+ else { rec.call(savedData2); delete savedData2; }
+ return true;
+ }
+ function val() returns (uint) { return rec.received(); }
+ receiver rec;
+ bytes savedData1;
+ bytes savedData2;
+ }
+ )";
+ compileAndRun(sourceCode, 0, "sender");
+ BOOST_CHECK(callContractFunction("receive(uint256)", 7) == bytes());
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("forward(bool)", true) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("forward(bool)", false) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(16));
+ BOOST_CHECK(callContractFunction("forward(bool)", true) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("val()") == encodeArgs(0x80));
+}
+
+BOOST_AUTO_TEST_CASE(delete_removes_bytes_data)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function() { data = msg.data; }
+ function del() returns (bool) { delete data; return true; }
+ bytes data;
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("---", 7) == bytes());
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("del()", 7) == encodeArgs(true));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(copy_from_calldata_removes_bytes_data)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function set() returns (bool) { data = msg.data; return true; }
+ function() { data = msg.data; }
+ bytes data;
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("set()", 1, 2, 3, 4, 5) == encodeArgs(true));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ sendMessage(bytes(), false);
+ BOOST_CHECK(m_output == bytes());
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(copy_removes_bytes_data)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function set() returns (bool) { data1 = msg.data; return true; }
+ function reset() returns (bool) { data1 = data2; return true; }
+ bytes data1;
+ bytes data2;
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("set()", 1, 2, 3, 4, 5) == encodeArgs(true));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("reset()") == encodeArgs(true));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(bytes_inside_mappings)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function set(uint key) returns (bool) { data[key] = msg.data; return true; }
+ function copy(uint from, uint to) returns (bool) { data[to] = data[from]; return true; }
+ mapping(uint => bytes) data;
+ }
+ )";
+ compileAndRun(sourceCode);
+ // store a short byte array at 1 and a longer one at 2
+ BOOST_CHECK(callContractFunction("set(uint256)", 1, 2) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("set(uint256)", 2, 2, 3, 4, 5) == encodeArgs(true));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ // copy shorter to longer
+ BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 1, 2) == encodeArgs(true));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ // copy empty to both
+ BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 1) == encodeArgs(true));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 99, 2) == encodeArgs(true));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(bytes_length_member)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function set() returns (bool) { data = msg.data; return true; }
+ function getLength() returns (uint) { return data.length; }
+ bytes data;
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getLength()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("set()", 1, 2) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("getLength()") == encodeArgs(4+32+32));
+}
+
+BOOST_AUTO_TEST_CASE(struct_copy)
+{
+ char const* sourceCode = R"(
+ contract c {
+ struct Nested { uint x; uint y; }
+ struct Struct { uint a; mapping(uint => Struct) b; Nested nested; uint c; }
+ mapping(uint => Struct) data;
+ function set(uint k) returns (bool) {
+ data[k].a = 1;
+ data[k].nested.x = 3;
+ data[k].nested.y = 4;
+ data[k].c = 2;
+ return true;
+ }
+ function copy(uint from, uint to) returns (bool) {
+ data[to] = data[from];
+ return true;
+ }
+ function retrieve(uint k) returns (uint a, uint x, uint y, uint c)
+ {
+ a = data[k].a;
+ x = data[k].nested.x;
+ y = data[k].nested.y;
+ c = data[k].c;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("set(uint256)", 7) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(1, 3, 4, 2));
+ BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 7, 8) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(1, 3, 4, 2));
+ BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(1, 3, 4, 2));
+ BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 0, 7) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("retrieve(uint256)", 7) == encodeArgs(0, 0, 0, 0));
+ BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(1, 3, 4, 2));
+ BOOST_CHECK(callContractFunction("copy(uint256,uint256)", 7, 8) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("retrieve(uint256)", 8) == encodeArgs(0, 0, 0, 0));
+}
+
+BOOST_AUTO_TEST_CASE(struct_containing_bytes_copy_and_delete)
+{
+ char const* sourceCode = R"(
+ contract c {
+ struct Struct { uint a; bytes data; uint b; }
+ Struct data1;
+ Struct data2;
+ function set(uint _a, bytes _data, uint _b) external returns (bool) {
+ data1.a = _a;
+ data1.b = _b;
+ data1.data = _data;
+ return true;
+ }
+ function copy() returns (bool) {
+ data1 = data2;
+ return true;
+ }
+ function del() returns (bool) {
+ delete data1;
+ return true;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ string data = "123456789012345678901234567890123";
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("copy()") == encodeArgs(true));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("set(uint256,bytes,uint256)", 12, u256(data.length()), 13, data) == encodeArgs(true));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("del()") == encodeArgs(true));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(struct_copy_via_local)
+{
+ char const* sourceCode = R"(
+ contract c {
+ struct Struct { uint a; uint b; }
+ Struct data1;
+ Struct data2;
+ function test() returns (bool) {
+ data1.a = 1;
+ data1.b = 2;
+ var x = data1;
+ data2 = x;
+ return data2.a == data1.a && data2.b == data1.b;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(true));
+}
+
+BOOST_AUTO_TEST_CASE(using_enums)
+{
+ char const* sourceCode = R"(
+ contract test {
+ enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
+ function test()
+ {
+ choices = ActionChoices.GoStraight;
+ }
+ function getChoice() returns (uint d)
+ {
+ d = uint256(choices);
+ }
+ ActionChoices choices;
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getChoice()") == encodeArgs(2));
+}
+
+BOOST_AUTO_TEST_CASE(constructing_enums_from_ints)
+{
+ char const* sourceCode = R"(
+ contract c {
+ enum Truth { False, True }
+ function test() returns (uint)
+ {
+ return uint(Truth(uint8(0x701)));
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(inline_member_init)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function test(){
+ m_b = 6;
+ m_c = 8;
+ }
+ uint m_a = 5;
+ uint m_b;
+ uint m_c = 7;
+ function get() returns (uint a, uint b, uint c){
+ a = m_a;
+ b = m_b;
+ c = m_c;
+ }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("get()") == encodeArgs(5, 6, 8));
+}
+
+BOOST_AUTO_TEST_CASE(inline_member_init_inheritence)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ function Base(){}
+ uint m_base = 5;
+ function getBMember() returns (uint i) { return m_base; }
+ }
+ contract Derived is Base {
+ function Derived(){}
+ uint m_derived = 6;
+ function getDMember() returns (uint i) { return m_derived; }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getBMember()") == encodeArgs(5));
+ BOOST_CHECK(callContractFunction("getDMember()") == encodeArgs(6));
+}
+
+BOOST_AUTO_TEST_CASE(inline_member_init_inheritence_without_constructor)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ uint m_base = 5;
+ function getBMember() returns (uint i) { return m_base; }
+ }
+ contract Derived is Base {
+ uint m_derived = 6;
+ function getDMember() returns (uint i) { return m_derived; }
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getBMember()") == encodeArgs(5));
+ BOOST_CHECK(callContractFunction("getDMember()") == encodeArgs(6));
+}
+
+BOOST_AUTO_TEST_CASE(external_function)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function f(uint a) returns (uint) { return a; }
+ function test(uint a, uint b) external returns (uint r_a, uint r_b) {
+ r_a = f(a + 7);
+ r_b = b;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test(uint256,uint256)", 2, 3) == encodeArgs(2+7, 3));
+}
+
+BOOST_AUTO_TEST_CASE(bytes_in_arguments)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint result;
+ function f(uint a, uint b) { result += a + b; }
+ function g(uint a) { result *= a; }
+ function test(uint a, bytes data1, bytes data2, uint b) external returns (uint r_a, uint r, uint r_b, uint l) {
+ r_a = a;
+ this.call(data1);
+ this.call(data2);
+ r = result;
+ r_b = b;
+ l = data1.length;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ string innercalldata1 = asString(FixedHash<4>(dev::sha3("f(uint256,uint256)")).asBytes() + encodeArgs(8, 9));
+ bytes calldata1 = encodeArgs(u256(innercalldata1.length()), 12, innercalldata1, 13);
+ string innercalldata2 = asString(FixedHash<4>(dev::sha3("g(uint256)")).asBytes() + encodeArgs(3));
+ bytes calldata = encodeArgs(
+ 12, u256(innercalldata1.length()), u256(innercalldata2.length()), 13,
+ innercalldata1, innercalldata2);
+ BOOST_CHECK(callContractFunction("test(uint256,bytes,bytes,uint256)", calldata)
+ == encodeArgs(12, (8 + 9) * 3, 13, u256(innercalldata1.length())));
+}
+
+BOOST_AUTO_TEST_CASE(fixed_arrays_in_storage)
+{
+ char const* sourceCode = R"(
+ contract c {
+ struct Data { uint x; uint y; }
+ Data[2**10] data;
+ uint[2**10 + 3] ids;
+ function setIDStatic(uint id) { ids[2] = id; }
+ function setID(uint index, uint id) { ids[index] = id; }
+ function setData(uint index, uint x, uint y) { data[index].x = x; data[index].y = y; }
+ function getID(uint index) returns (uint) { return ids[index]; }
+ function getData(uint index) returns (uint x, uint y) { x = data[index].x; y = data[index].y; }
+ function getLengths() returns (uint l1, uint l2) { l1 = data.length; l2 = ids.length; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("setIDStatic(uint256)", 11) == bytes());
+ BOOST_CHECK(callContractFunction("getID(uint256)", 2) == encodeArgs(11));
+ BOOST_CHECK(callContractFunction("setID(uint256,uint256)", 7, 8) == bytes());
+ BOOST_CHECK(callContractFunction("getID(uint256)", 7) == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 7, 8, 9) == bytes());
+ BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 8, 10, 11) == bytes());
+ BOOST_CHECK(callContractFunction("getData(uint256)", 7) == encodeArgs(8, 9));
+ BOOST_CHECK(callContractFunction("getData(uint256)", 8) == encodeArgs(10, 11));
+ BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(u256(1) << 10, (u256(1) << 10) + 3));
+}
+
+BOOST_AUTO_TEST_CASE(dynamic_arrays_in_storage)
+{
+ char const* sourceCode = R"(
+ contract c {
+ struct Data { uint x; uint y; }
+ Data[] data;
+ uint[] ids;
+ function setIDStatic(uint id) { ids[2] = id; }
+ function setID(uint index, uint id) { ids[index] = id; }
+ function setData(uint index, uint x, uint y) { data[index].x = x; data[index].y = y; }
+ function getID(uint index) returns (uint) { return ids[index]; }
+ function getData(uint index) returns (uint x, uint y) { x = data[index].x; y = data[index].y; }
+ function getLengths() returns (uint l1, uint l2) { l1 = data.length; l2 = ids.length; }
+ function setLengths(uint l1, uint l2) { data.length = l1; ids.length = l2; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(0, 0));
+ BOOST_CHECK(callContractFunction("setLengths(uint256,uint256)", 48, 49) == bytes());
+ BOOST_CHECK(callContractFunction("getLengths()") == encodeArgs(48, 49));
+ BOOST_CHECK(callContractFunction("setIDStatic(uint256)", 11) == bytes());
+ BOOST_CHECK(callContractFunction("getID(uint256)", 2) == encodeArgs(11));
+ BOOST_CHECK(callContractFunction("setID(uint256,uint256)", 7, 8) == bytes());
+ BOOST_CHECK(callContractFunction("getID(uint256)", 7) == encodeArgs(8));
+ BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 7, 8, 9) == bytes());
+ BOOST_CHECK(callContractFunction("setData(uint256,uint256,uint256)", 8, 10, 11) == bytes());
+ BOOST_CHECK(callContractFunction("getData(uint256)", 7) == encodeArgs(8, 9));
+ BOOST_CHECK(callContractFunction("getData(uint256)", 8) == encodeArgs(10, 11));
+}
+
+BOOST_AUTO_TEST_CASE(fixed_out_of_bounds_array_access)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[4] data;
+ function set(uint index, uint value) returns (bool) { data[index] = value; return true; }
+ function get(uint index) returns (uint) { return data[index]; }
+ function length() returns (uint) { return data.length; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
+ BOOST_CHECK(callContractFunction("set(uint256,uint256)", 3, 4) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("set(uint256,uint256)", 4, 5) == bytes());
+ BOOST_CHECK(callContractFunction("set(uint256,uint256)", 400, 5) == bytes());
+ BOOST_CHECK(callContractFunction("get(uint256)", 3) == encodeArgs(4));
+ BOOST_CHECK(callContractFunction("get(uint256)", 4) == bytes());
+ BOOST_CHECK(callContractFunction("get(uint256)", 400) == bytes());
+ BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
+}
+
+BOOST_AUTO_TEST_CASE(dynamic_out_of_bounds_array_access)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[] data;
+ function enlarge(uint amount) returns (uint) { return data.length += amount; }
+ function set(uint index, uint value) returns (bool) { data[index] = value; return true; }
+ function get(uint index) returns (uint) { return data[index]; }
+ function length() returns (uint) { return data.length; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("length()") == encodeArgs(0));
+ BOOST_CHECK(callContractFunction("get(uint256)", 3) == bytes());
+ BOOST_CHECK(callContractFunction("enlarge(uint256)", 4) == encodeArgs(4));
+ BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
+ BOOST_CHECK(callContractFunction("set(uint256,uint256)", 3, 4) == encodeArgs(true));
+ BOOST_CHECK(callContractFunction("get(uint256)", 3) == encodeArgs(4));
+ BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
+ BOOST_CHECK(callContractFunction("set(uint256,uint256)", 4, 8) == bytes());
+ BOOST_CHECK(callContractFunction("length()") == encodeArgs(4));
+}
+
+BOOST_AUTO_TEST_CASE(fixed_array_cleanup)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint spacer1;
+ uint spacer2;
+ uint[20] data;
+ function fill() {
+ for (uint i = 0; i < data.length; ++i) data[i] = i+1;
+ }
+ function clear() { delete data; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("fill()") == bytes());
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("clear()") == bytes());
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(short_fixed_array_cleanup)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint spacer1;
+ uint spacer2;
+ uint[3] data;
+ function fill() {
+ for (uint i = 0; i < data.length; ++i) data[i] = i+1;
+ }
+ function clear() { delete data; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("fill()") == bytes());
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("clear()") == bytes());
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(dynamic_array_cleanup)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[20] spacer;
+ uint[] dynamic;
+ function fill() {
+ dynamic.length = 21;
+ for (uint i = 0; i < dynamic.length; ++i) dynamic[i] = i+1;
+ }
+ function halfClear() { dynamic.length = 5; }
+ function fullClear() { delete dynamic; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("fill()") == bytes());
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("halfClear()") == bytes());
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("fullClear()") == bytes());
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(dynamic_multi_array_cleanup)
+{
+ char const* sourceCode = R"(
+ contract c {
+ struct s { uint[][] d; }
+ s[] data;
+ function fill() returns (uint) {
+ data.length = 3;
+ data[2].d.length = 4;
+ data[2].d[3].length = 5;
+ data[2].d[3][4] = 8;
+ return data[2].d[3][4];
+ }
+ function clear() { delete data; }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("fill()") == encodeArgs(8));
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("clear()") == bytes());
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_storage_storage_dyn_dyn)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[] data1;
+ uint[] data2;
+ function setData1(uint length, uint index, uint value) {
+ data1.length = length; if (index < length) data1[index] = value;
+ }
+ function copyStorageStorage() { data2 = data1; }
+ function getData2(uint index) returns (uint len, uint val) {
+ len = data2.length; if (index < len) val = data2[index];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("setData1(uint256,uint256,uint256)", 10, 5, 4) == bytes());
+ BOOST_CHECK(callContractFunction("copyStorageStorage()") == bytes());
+ BOOST_CHECK(callContractFunction("getData2(uint256)", 5) == encodeArgs(10, 4));
+ BOOST_CHECK(callContractFunction("setData1(uint256,uint256,uint256)", 0, 0, 0) == bytes());
+ BOOST_CHECK(callContractFunction("copyStorageStorage()") == bytes());
+ BOOST_CHECK(callContractFunction("getData2(uint256)", 0) == encodeArgs(0, 0));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_storage_storage_static_static)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[40] data1;
+ uint[20] data2;
+ function test() returns (uint x, uint y){
+ data1[30] = 4;
+ data1[2] = 7;
+ data1[3] = 9;
+ data2[3] = 8;
+ data1 = data2;
+ x = data1[3];
+ y = data1[30]; // should be cleared
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(8, 0));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_storage_storage_static_dynamic)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[9] data1;
+ uint[] data2;
+ function test() returns (uint x, uint y){
+ data1[8] = 4;
+ data2 = data1;
+ x = data2.length;
+ y = data2[8];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(9, 4));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_different_packing)
+{
+ char const* sourceCode = R"(
+ contract c {
+ bytes8[] data1; // 4 per slot
+ bytes10[] data2; // 3 per slot
+ function test() returns (bytes10 a, bytes10 b, bytes10 c, bytes10 d, bytes10 e) {
+ data1.length = 9;
+ for (uint i = 0; i < data1.length; ++i)
+ data1[i] = bytes8(i);
+ data2 = data1;
+ a = data2[1];
+ b = data2[2];
+ c = data2[3];
+ d = data2[4];
+ e = data2[5];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(
+ asString(fromHex("0000000000000001")),
+ asString(fromHex("0000000000000002")),
+ asString(fromHex("0000000000000003")),
+ asString(fromHex("0000000000000004")),
+ asString(fromHex("0000000000000005"))
+ ));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_target_simple)
+{
+ char const* sourceCode = R"(
+ contract c {
+ bytes8[9] data1; // 4 per slot
+ bytes17[10] data2; // 1 per slot, no offset counter
+ function test() returns (bytes17 a, bytes17 b, bytes17 c, bytes17 d, bytes17 e) {
+ for (uint i = 0; i < data1.length; ++i)
+ data1[i] = bytes8(i);
+ data2[8] = data2[9] = 2;
+ data2 = data1;
+ a = data2[1];
+ b = data2[2];
+ c = data2[3];
+ d = data2[4];
+ e = data2[9];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(
+ asString(fromHex("0000000000000001")),
+ asString(fromHex("0000000000000002")),
+ asString(fromHex("0000000000000003")),
+ asString(fromHex("0000000000000004")),
+ asString(fromHex("0000000000000000"))
+ ));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_target_leftover)
+{
+ // test that leftover elements in the last slot of target are correctly cleared during assignment
+ char const* sourceCode = R"(
+ contract c {
+ byte[10] data1;
+ bytes2[32] data2;
+ function test() returns (uint check, uint res1, uint res2) {
+ uint i;
+ for (i = 0; i < data2.length; ++i)
+ data2[i] = 0xffff;
+ check = uint(data2[31]) * 0x10000 | uint(data2[14]);
+ for (i = 0; i < data1.length; ++i)
+ data1[i] = byte(uint8(1 + i));
+ data2 = data1;
+ for (i = 0; i < 16; ++i)
+ res1 |= uint(data2[i]) * 0x10000**i;
+ for (i = 0; i < 16; ++i)
+ res2 |= uint(data2[16 + i]) * 0x10000**i;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(
+ u256("0xffffffff"),
+ asString(fromHex("0000000000000000""000000000a000900""0800070006000500""0400030002000100")),
+ asString(fromHex("0000000000000000""0000000000000000""0000000000000000""0000000000000000"))
+ ));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_target_leftover2)
+{
+ // since the copy always copies whole slots, we have to make sure that the source size maxes
+ // out a whole slot and at the same time there are still elements left in the target at that point
+ char const* sourceCode = R"(
+ contract c {
+ bytes8[4] data1; // fits into one slot
+ bytes10[6] data2; // 4 elements need two slots
+ function test() returns (bytes10 r1, bytes10 r2, bytes10 r3) {
+ data1[0] = 1;
+ data1[1] = 2;
+ data1[2] = 3;
+ data1[3] = 4;
+ for (uint i = 0; i < data2.length; ++i)
+ data2[i] = bytes10(0xffff00 | (1 + i));
+ data2 = data1;
+ r1 = data2[3];
+ r2 = data2[4];
+ r3 = data2[5];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(
+ asString(fromHex("0000000000000004")),
+ asString(fromHex("0000000000000000")),
+ asString(fromHex("0000000000000000"))
+ ));
+}
+BOOST_AUTO_TEST_CASE(array_copy_storage_storage_struct)
+{
+ char const* sourceCode = R"(
+ contract c {
+ struct Data { uint x; uint y; }
+ Data[] data1;
+ Data[] data2;
+ function test() returns (uint x, uint y) {
+ data1.length = 9;
+ data1[8].x = 4;
+ data1[8].y = 5;
+ data2 = data1;
+ x = data2[8].x;
+ y = data2[8].y;
+ data1.length = 0;
+ data2 = data1;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(4, 5));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(external_array_args)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function test(uint[8] a, uint[] b, uint[5] c, uint a_index, uint b_index, uint c_index)
+ external returns (uint av, uint bv, uint cv) {
+ av = a[a_index];
+ bv = b[b_index];
+ cv = c[c_index];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ bytes params = encodeArgs(
+ 1, 2, 3, 4, 5, 6, 7, 8, // a
+ 3, // b.length
+ 21, 22, 23, 24, 25, // c
+ 0, 1, 2, // (a,b,c)_index
+ 11, 12, 13 // b
+ );
+ BOOST_CHECK(callContractFunction("test(uint256[8],uint256[],uint256[5],uint256,uint256,uint256)", params) == encodeArgs(1, 12, 23));
+}
+
+BOOST_AUTO_TEST_CASE(bytes_index_access)
+{
+ char const* sourceCode = R"(
+ contract c {
+ bytes data;
+ function direct(bytes arg, uint index) external returns (uint) {
+ return uint(arg[index]);
+ }
+ function storageCopyRead(bytes arg, uint index) external returns (uint) {
+ data = arg;
+ return uint(data[index]);
+ }
+ function storageWrite() external returns (uint) {
+ data.length = 35;
+ data[31] = 0x77;
+ data[32] = 0x14;
+
+ data[31] = 1;
+ data[31] |= 8;
+ data[30] = 1;
+ data[32] = 3;
+ return uint(data[30]) * 0x100 | uint(data[31]) * 0x10 | uint(data[32]);
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ string array{
+ 0, 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};
+ BOOST_CHECK(callContractFunction("direct(bytes,uint256)", u256(array.length()), 32, array) == encodeArgs(32));
+ BOOST_CHECK(callContractFunction("storageCopyRead(bytes,uint256)", u256(array.length()), 32, array) == encodeArgs(32));
+ BOOST_CHECK(callContractFunction("storageWrite()") == encodeArgs(0x193));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_calldata_storage)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[9] m_data;
+ uint[] m_data_dyn;
+ uint8[][] m_byte_data;
+ function store(uint[9] a, uint8[3][] b) external returns (uint8) {
+ m_data = a;
+ m_data_dyn = a;
+ m_byte_data = b;
+ return b[3][1]; // note that access and declaration are reversed to each other
+ }
+ function retrieve() returns (uint a, uint b, uint c, uint d, uint e, uint f, uint g) {
+ a = m_data.length;
+ b = m_data[7];
+ c = m_data_dyn.length;
+ d = m_data_dyn[7];
+ e = m_byte_data.length;
+ f = m_byte_data[3].length;
+ g = m_byte_data[3][1];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("store(uint256[9],uint8[3][])", encodeArgs(
+ 21, 22, 23, 24, 25, 26, 27, 28, 29, // a
+ 4, // size of b
+ 1, 2, 3, // b[0]
+ 11, 12, 13, // b[1]
+ 21, 22, 23, // b[2]
+ 31, 32, 33 // b[3]
+ )) == encodeArgs(32));
+ BOOST_CHECK(callContractFunction("retrieve()") == encodeArgs(
+ 9, 28, 9, 28,
+ 4, 3, 32));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_nested_array)
+{
+ char const* sourceCode = R"(
+ contract c {
+ uint[4][] a;
+ uint[10][] b;
+ uint[][] c;
+ function test(uint[2][] d) external returns (uint) {
+ a = d;
+ b = a;
+ c = b;
+ return c[1][1] | c[1][2] | c[1][3] | c[1][4];
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test(uint256[2][])", encodeArgs(
+ 3,
+ 7, 8,
+ 9, 10,
+ 11, 12
+ )) == encodeArgs(10));
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_including_mapping)
+{
+ char const* sourceCode = R"(
+ contract c {
+ mapping(uint=>uint)[90][] large;
+ mapping(uint=>uint)[3][] small;
+ function test() returns (uint r) {
+ large.length = small.length = 7;
+ large[3][2][0] = 2;
+ large[1] = large[3];
+ small[3][2][0] = 2;
+ small[1] = small[2];
+ r = ((
+ small[3][2][0] * 0x100 |
+ small[1][2][0]) * 0x100 |
+ large[3][2][0]) * 0x100 |
+ large[1][2][0];
+ delete small;
+ delete large;
+ }
+ function clear() returns (uint r) {
+ large.length = small.length = 7;
+ small[3][2][0] = 0;
+ large[3][2][0] = 0;
+ small.length = large.length = 0;
+ return 7;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(0x02000200));
+ // storage is not empty because we cannot delete the mappings
+ BOOST_CHECK(!m_state.storage(m_contractAddress).empty());
+ BOOST_CHECK(callContractFunction("clear()") == encodeArgs(7));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ function Base(uint i)
+ {
+ m_i = i;
+ }
+ uint public m_i;
+ }
+ contract Derived is Base(2) {
+ function Derived(uint i) Base(i)
+ {}
+ }
+ contract Final is Derived(4) {
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4));
+}
+
+BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base_base)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ function Base(uint j)
+ {
+ m_i = j;
+ }
+ uint public m_i;
+ }
+ contract Base1 is Base(3) {
+ function Base1(uint k) Base(k*k) {}
+ }
+ contract Derived is Base(3), Base1(2) {
+ function Derived(uint i) Base(i) Base1(i)
+ {}
+ }
+ contract Final is Derived(4) {
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4));
+}
+
+BOOST_AUTO_TEST_CASE(pass_dynamic_arguments_to_the_base_base_with_gap)
+{
+ char const* sourceCode = R"(
+ contract Base {
+ function Base(uint i)
+ {
+ m_i = i;
+ }
+ uint public m_i;
+ }
+ contract Base1 is Base(3) {}
+ contract Derived is Base(2), Base1 {
+ function Derived(uint i) Base(i) {}
+ }
+ contract Final is Derived(4) {
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("m_i()") == encodeArgs(4));
+}
+
+BOOST_AUTO_TEST_CASE(simple_constant_variables_test)
+{
+ char const* sourceCode = R"(
+ contract Foo {
+ function getX() returns (uint r) { return x; }
+ uint constant x = 56;
+ })";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("getX()") == encodeArgs(56));
+}
+
+BOOST_AUTO_TEST_CASE(constant_variables)
+{
+ //for now constant specifier is valid only for uint bytesXX and enums
+ char const* sourceCode = R"(
+ contract Foo {
+ uint constant x = 56;
+ enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
+ ActionChoices constant choices = ActionChoices.GoLeft;
+ bytes32 constant st = "abc\x00\xff__";
+ })";
+ compileAndRun(sourceCode);
+}
+
+BOOST_AUTO_TEST_CASE(packed_storage_structs_uint)
+{
+ char const* sourceCode = R"(
+ contract C {
+ struct str { uint8 a; uint16 b; uint248 c; }
+ str data;
+ function test() returns (uint) {
+ data.a = 2;
+ if (data.a != 2) return 2;
+ data.b = 0xabcd;
+ if (data.b != 0xabcd) return 3;
+ data.c = 0x1234567890;
+ if (data.c != 0x1234567890) return 4;
+ if (data.a != 2) return 5;
+ data.a = 8;
+ if (data.a != 8) return 6;
+ if (data.b != 0xabcd) return 7;
+ data.b = 0xdcab;
+ if (data.b != 0xdcab) return 8;
+ if (data.c != 0x1234567890) return 9;
+ data.c = 0x9876543210;
+ if (data.c != 0x9876543210) return 10;
+ return 1;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(packed_storage_structs_enum)
+{
+ char const* sourceCode = R"(
+ contract C {
+ enum small { A, B, C, D }
+ enum larger { A, B, C, D, E}
+ struct str { small a; small b; larger c; larger d; }
+ str data;
+ function test() returns (uint) {
+ data.a = small.B;
+ if (data.a != small.B) return 2;
+ data.b = small.C;
+ if (data.b != small.C) return 3;
+ data.c = larger.D;
+ if (data.c != larger.D) return 4;
+ if (data.a != small.B) return 5;
+ data.a = small.C;
+ if (data.a != small.C) return 6;
+ if (data.b != small.C) return 7;
+ data.b = small.D;
+ if (data.b != small.D) return 8;
+ if (data.c != larger.D) return 9;
+ data.c = larger.B;
+ if (data.c != larger.B) return 10;
+ return 1;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
+}
+
+BOOST_AUTO_TEST_CASE(packed_storage_structs_bytes)
+{
+ char const* sourceCode = R"(
+ contract C {
+ struct s1 { byte a; byte b; bytes10 c; bytes9 d; bytes10 e; }
+ struct s2 { byte a; s1 inner; byte b; byte c; }
+ byte x;
+ s2 data;
+ byte y;
+ function test() returns (bool) {
+ x = 1;
+ data.a = 2;
+ data.inner.a = 3;
+ data.inner.b = 4;
+ data.inner.c = "1234567890";
+ data.inner.d = "123456789";
+ data.inner.e = "abcdefghij";
+ data.b = 5;
+ data.c = 6;
+ y = 7;
+ return x == 1 && data.a == 2 && data.inner.a == 3 && data.inner.b == 4 &&
+ data.inner.c == "1234567890" && data.inner.d == "123456789" &&
+ data.inner.e == "abcdefghij" && data.b == 5 && data.c == 6 && y == 7;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(true));
+}
+
+BOOST_AUTO_TEST_CASE(packed_storage_structs_delete)
+{
+ char const* sourceCode = R"(
+ contract C {
+ struct str { uint8 a; uint16 b; uint8 c; }
+ uint8 x;
+ uint16 y;
+ str data;
+ function test() returns (uint) {
+ x = 1;
+ y = 2;
+ data.a = 2;
+ data.b = 0xabcd;
+ data.c = 0xfa;
+ if (x != 1 || y != 2 || data.a != 2 || data.b != 0xabcd || data.c != 0xfa)
+ return 2;
+ delete y;
+ delete data.b;
+ if (x != 1 || y != 0 || data.a != 2 || data.b != 0 || data.c != 0xfa)
+ return 3;
+ delete x;
+ delete data;
+ return 1;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(1));
+ BOOST_CHECK(m_state.storage(m_contractAddress).empty());
+}
+
+BOOST_AUTO_TEST_CASE(packed_storage_structs_with_bytes0)
+{
+ char const* sourceCode = R"(
+ contract C {
+ struct str { uint8 a; bytes0 b; uint8 c; }
+ uint8 a;
+ bytes0 x;
+ uint8 b;
+ str data;
+ function test() returns (bool) {
+ a = 2;
+ b = 3;
+ data.a = 4;
+ data.c = 5;
+ delete x;
+ delete data.b;
+ return a == 2 && b == 3 && data.a == 4 && data.c == 5;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK(callContractFunction("test()") == encodeArgs(true));
+}
+
+BOOST_AUTO_TEST_CASE(packed_storage_signed)
+{
+ char const* sourceCode = R"(
+ contract C {
+ int8 a;
+ uint8 b;
+ int8 c;
+ uint8 d;
+ function test() returns (uint x1, uint x2, uint x3, uint x4) {
+ a = -2;
+ b = -uint8(a) * 2;
+ c = a * int8(120) * int8(121);
+ x1 = uint(a);
+ x2 = b;
+ x3 = uint(c);
+ x4 = d;
+ }
+ }
+ )";
+ compileAndRun(sourceCode);
+ BOOST_CHECK( callContractFunction("test()") == encodeArgs(u256(-2), u256(4), u256(-112), u256(0)));
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
+
+#endif
diff --git a/libsolidity/SolidityExpressionCompiler.cpp b/libsolidity/SolidityExpressionCompiler.cpp
new file mode 100644
index 00000000..505cac99
--- /dev/null
+++ b/libsolidity/SolidityExpressionCompiler.cpp
@@ -0,0 +1,495 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity expression compiler.
+ */
+
+#if ETH_SOLIDITY
+
+#include <string>
+
+#include <libdevcore/Log.h>
+#include <libsolidity/Scanner.h>
+#include <libsolidity/Parser.h>
+#include <libsolidity/NameAndTypeResolver.h>
+#include <libsolidity/CompilerContext.h>
+#include <libsolidity/ExpressionCompiler.h>
+#include <libsolidity/AST.h>
+#include "../TestHelper.h"
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+namespace
+{
+
+/// Helper class that extracts the first expression in an AST.
+class FirstExpressionExtractor: private ASTVisitor
+{
+public:
+ FirstExpressionExtractor(ASTNode& _node): m_expression(nullptr) { _node.accept(*this); }
+ Expression* getExpression() const { return m_expression; }
+private:
+ virtual bool visit(Expression& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(Assignment& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(UnaryOperation& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(BinaryOperation& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(FunctionCall& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(MemberAccess& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(IndexAccess& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(PrimaryExpression& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(Identifier& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(ElementaryTypeNameExpression& _expression) override { return checkExpression(_expression); }
+ virtual bool visit(Literal& _expression) override { return checkExpression(_expression); }
+ bool checkExpression(Expression& _expression)
+ {
+ if (m_expression == nullptr)
+ m_expression = &_expression;
+ return false;
+ }
+private:
+ Expression* m_expression;
+};
+
+Declaration const& resolveDeclaration(
+ vector<string> const& _namespacedName, NameAndTypeResolver const& _resolver)
+{
+ Declaration const* declaration = nullptr;
+ // bracers are required, cause msvc couldnt handle this macro in for statement
+ for (string const& namePart: _namespacedName)
+ {
+ BOOST_REQUIRE(declaration = _resolver.resolveName(namePart, declaration));
+ }
+ BOOST_REQUIRE(declaration);
+ return *declaration;
+}
+
+bytes compileFirstExpression(const string& _sourceCode, vector<vector<string>> _functions = {},
+ vector<vector<string>> _localVariables = {},
+ vector<shared_ptr<MagicVariableDeclaration const>> _globalDeclarations = {})
+{
+ Parser parser;
+ ASTPointer<SourceUnit> sourceUnit;
+ try
+ {
+ sourceUnit = parser.parse(make_shared<Scanner>(CharStream(_sourceCode)));
+ }
+ catch(boost::exception const& _e)
+ {
+ auto msg = std::string("Parsing source code failed with: \n") + boost::diagnostic_information(_e);
+ BOOST_FAIL(msg);
+ }
+
+ vector<Declaration const*> declarations;
+ declarations.reserve(_globalDeclarations.size() + 1);
+ for (ASTPointer<Declaration const> const& variable: _globalDeclarations)
+ declarations.push_back(variable.get());
+ NameAndTypeResolver resolver(declarations);
+ resolver.registerDeclarations(*sourceUnit);
+
+ vector<ContractDefinition const*> inheritanceHierarchy;
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ ETH_TEST_REQUIRE_NO_THROW(resolver.resolveNamesAndTypes(*contract), "Resolving names failed");
+ inheritanceHierarchy = vector<ContractDefinition const*>(1, contract);
+ }
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ ETH_TEST_REQUIRE_NO_THROW(resolver.checkTypeRequirements(*contract), "Checking type Requirements failed");
+ }
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ FirstExpressionExtractor extractor(*contract);
+ BOOST_REQUIRE(extractor.getExpression() != nullptr);
+
+ CompilerContext context;
+ context.resetVisitedNodes(contract);
+ context.setInheritanceHierarchy(inheritanceHierarchy);
+ unsigned parametersSize = _localVariables.size(); // assume they are all one slot on the stack
+ context.adjustStackOffset(parametersSize);
+ for (vector<string> const& variable: _localVariables)
+ context.addVariable(dynamic_cast<VariableDeclaration const&>(resolveDeclaration(variable, resolver)),
+ parametersSize--);
+
+ ExpressionCompiler(context).compile(*extractor.getExpression());
+
+ for (vector<string> const& function: _functions)
+ context << context.getFunctionEntryLabel(dynamic_cast<FunctionDefinition const&>(resolveDeclaration(function, resolver)));
+ bytes instructions = context.getAssembledBytecode();
+ // debug
+ // cout << eth::disassemble(instructions) << endl;
+ return instructions;
+ }
+ BOOST_FAIL("No contract found in source.");
+ return bytes();
+}
+
+} // end anonymous namespace
+
+BOOST_AUTO_TEST_SUITE(SolidityExpressionCompiler)
+
+BOOST_AUTO_TEST_CASE(literal_true)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { var x = true; }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x1});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(literal_false)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { var x = false; }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x0});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_literal)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { var x = 0x12345678901234567890; }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH10), 0x12, 0x34, 0x56, 0x78, 0x90,
+ 0x12, 0x34, 0x56, 0x78, 0x90});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_with_wei_ether_subdenomination)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function test ()
+ {
+ var x = 1 wei;
+ }
+ })";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x1});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_with_szabo_ether_subdenomination)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function test ()
+ {
+ var x = 1 szabo;
+ }
+ })";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH5), 0xe8, 0xd4, 0xa5, 0x10, 0x00});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_with_finney_ether_subdenomination)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function test ()
+ {
+ var x = 1 finney;
+ }
+ })";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH7), 0x3, 0x8d, 0x7e, 0xa4, 0xc6, 0x80, 0x00});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(int_with_ether_ether_subdenomination)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function test ()
+ {
+ var x = 1 ether;
+ }
+ })";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH8), 0xd, 0xe0, 0xb6, 0xb3, 0xa7, 0x64, 0x00, 0x00});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(comparison)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { var x = (0x10aa < 0x11aa) != true; }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x1,
+ byte(eth::Instruction::PUSH2), 0x11, 0xaa,
+ byte(eth::Instruction::PUSH2), 0x10, 0xaa,
+ byte(eth::Instruction::LT),
+ byte(eth::Instruction::EQ),
+ byte(eth::Instruction::ISZERO)});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(short_circuiting)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { var x = true != (4 <= 8 + 10 || 9 != 2); }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x12, // 8 + 10
+ byte(eth::Instruction::PUSH1), 0x4,
+ byte(eth::Instruction::GT),
+ byte(eth::Instruction::ISZERO), // after this we have 4 <= 8 + 10
+ byte(eth::Instruction::DUP1),
+ byte(eth::Instruction::PUSH1), 0x11,
+ byte(eth::Instruction::JUMPI), // short-circuit if it is true
+ byte(eth::Instruction::POP),
+ byte(eth::Instruction::PUSH1), 0x2,
+ byte(eth::Instruction::PUSH1), 0x9,
+ byte(eth::Instruction::EQ),
+ byte(eth::Instruction::ISZERO), // after this we have 9 != 2
+ byte(eth::Instruction::JUMPDEST),
+ byte(eth::Instruction::PUSH1), 0x1,
+ byte(eth::Instruction::EQ),
+ byte(eth::Instruction::ISZERO)});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(arithmetics)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint y) { var x = ((((((((y ^ 8) & 7) | 6) - 5) + 4) % 3) / 2) * 1); }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "y"}, {"test", "f", "x"}});
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x1,
+ byte(eth::Instruction::PUSH1), 0x2,
+ byte(eth::Instruction::PUSH1), 0x3,
+ byte(eth::Instruction::PUSH1), 0x4,
+ byte(eth::Instruction::PUSH1), 0x5,
+ byte(eth::Instruction::PUSH1), 0x6,
+ byte(eth::Instruction::PUSH1), 0x7,
+ byte(eth::Instruction::PUSH1), 0x8,
+ byte(eth::Instruction::DUP10),
+ byte(eth::Instruction::XOR),
+ byte(eth::Instruction::AND),
+ byte(eth::Instruction::OR),
+ byte(eth::Instruction::SUB),
+ byte(eth::Instruction::ADD),
+ byte(eth::Instruction::MOD),
+ byte(eth::Instruction::DIV),
+ byte(eth::Instruction::MUL)});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(unary_operators)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(int y) { var x = !(~+- y == 2); }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "y"}, {"test", "f", "x"}});
+
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x2,
+ byte(eth::Instruction::DUP3),
+ byte(eth::Instruction::PUSH1), 0x0,
+ byte(eth::Instruction::SUB),
+ byte(eth::Instruction::NOT),
+ byte(eth::Instruction::EQ),
+ byte(eth::Instruction::ISZERO)});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(unary_inc_dec)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) { var x = --a ^ (a-- ^ (++a ^ a++)); }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "a"}, {"test", "f", "x"}});
+
+ // Stack: a, x
+ bytes expectation({byte(eth::Instruction::DUP2),
+ byte(eth::Instruction::DUP1),
+ byte(eth::Instruction::PUSH1), 0x1,
+ byte(eth::Instruction::ADD),
+ // Stack here: a x a (a+1)
+ byte(eth::Instruction::SWAP3),
+ byte(eth::Instruction::POP), // first ++
+ // Stack here: (a+1) x a
+ byte(eth::Instruction::DUP3),
+ byte(eth::Instruction::PUSH1), 0x1,
+ byte(eth::Instruction::ADD),
+ // Stack here: (a+1) x a (a+2)
+ byte(eth::Instruction::SWAP3),
+ byte(eth::Instruction::POP),
+ // Stack here: (a+2) x a
+ byte(eth::Instruction::DUP3), // second ++
+ byte(eth::Instruction::XOR),
+ // Stack here: (a+2) x a^(a+2)
+ byte(eth::Instruction::DUP3),
+ byte(eth::Instruction::DUP1),
+ byte(eth::Instruction::PUSH1), 0x1,
+ byte(eth::Instruction::SWAP1),
+ byte(eth::Instruction::SUB),
+ // Stack here: (a+2) x a^(a+2) (a+2) (a+1)
+ byte(eth::Instruction::SWAP4),
+ byte(eth::Instruction::POP), // first --
+ byte(eth::Instruction::XOR),
+ // Stack here: (a+1) x a^(a+2)^(a+2)
+ byte(eth::Instruction::DUP3),
+ byte(eth::Instruction::PUSH1), 0x1,
+ byte(eth::Instruction::SWAP1),
+ byte(eth::Instruction::SUB),
+ // Stack here: (a+1) x a^(a+2)^(a+2) a
+ byte(eth::Instruction::SWAP3),
+ byte(eth::Instruction::POP), // second ++
+ // Stack here: a x a^(a+2)^(a+2)
+ byte(eth::Instruction::DUP3), // will change
+ byte(eth::Instruction::XOR)});
+ // Stack here: a x a^(a+2)^(a+2)^a
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(assignment)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a, uint b) { (a += b) * 2; }"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode, {}, {{"test", "f", "a"}, {"test", "f", "b"}});
+
+ // Stack: a, b
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x2,
+ byte(eth::Instruction::DUP2),
+ byte(eth::Instruction::DUP4),
+ byte(eth::Instruction::ADD),
+ // Stack here: a b 2 a+b
+ byte(eth::Instruction::SWAP3),
+ byte(eth::Instruction::POP),
+ byte(eth::Instruction::DUP3),
+ // Stack here: a+b b 2 a+b
+ byte(eth::Instruction::MUL)});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(function_call)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a, uint b) { a += g(a + 1, b) * 2; }\n"
+ " function g(uint a, uint b) returns (uint c) {}\n"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode, {{"test", "g"}},
+ {{"test", "f", "a"}, {"test", "f", "b"}});
+
+ // Stack: a, b
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x02,
+ byte(eth::Instruction::PUSH1), 0x0c,
+ byte(eth::Instruction::PUSH1), 0x01,
+ byte(eth::Instruction::DUP5),
+ byte(eth::Instruction::ADD),
+ // Stack here: a b 2 <ret label> (a+1)
+ byte(eth::Instruction::DUP4),
+ byte(eth::Instruction::PUSH1), 0x13,
+ byte(eth::Instruction::JUMP),
+ byte(eth::Instruction::JUMPDEST),
+ // Stack here: a b 2 g(a+1, b)
+ byte(eth::Instruction::MUL),
+ // Stack here: a b g(a+1, b)*2
+ byte(eth::Instruction::DUP3),
+ byte(eth::Instruction::ADD),
+ // Stack here: a b a+g(a+1, b)*2
+ byte(eth::Instruction::SWAP2),
+ byte(eth::Instruction::POP),
+ byte(eth::Instruction::DUP2),
+ byte(eth::Instruction::JUMPDEST)});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(negative_literals_8bits)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { int8 x = -0x80; }\n"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation(bytes({byte(eth::Instruction::PUSH32)}) + bytes(31, 0xff) + bytes(1, 0x80));
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(negative_literals_16bits)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() { int64 x = ~0xabc; }\n"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation(bytes({byte(eth::Instruction::PUSH32)}) + bytes(30, 0xff) + bytes{0xf5, 0x43});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(intermediately_overflowing_literals)
+{
+ // first literal itself is too large for 256 bits but it fits after all constant operations
+ // have been applied
+ char const* sourceCode = "contract test {\n"
+ " function f() { var x = (0xffffffffffffffffffffffffffffffffffffffff * 0xffffffffffffffffffffffffff01) & 0xbf; }\n"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode);
+
+ bytes expectation(bytes({byte(eth::Instruction::PUSH1), 0xbf}));
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_CASE(blockhash)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f() {\n"
+ " block.blockhash(3);\n"
+ " }\n"
+ "}\n";
+ bytes code = compileFirstExpression(sourceCode, {}, {},
+ {make_shared<MagicVariableDeclaration>("block", make_shared<MagicType>(MagicType::Kind::Block))});
+
+ bytes expectation({byte(eth::Instruction::PUSH1), 0x03,
+ byte(eth::Instruction::BLOCKHASH)});
+ BOOST_CHECK_EQUAL_COLLECTIONS(code.begin(), code.end(), expectation.begin(), expectation.end());
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
+
+#endif
diff --git a/libsolidity/SolidityInterface.cpp b/libsolidity/SolidityInterface.cpp
new file mode 100644
index 00000000..ab6cb902
--- /dev/null
+++ b/libsolidity/SolidityInterface.cpp
@@ -0,0 +1,153 @@
+/*
+ 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/>.
+ */
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2015
+ * Unit tests for generating source interfaces for Solidity contracts.
+ */
+
+#if ETH_SOLIDITY
+
+#include "../TestHelper.h"
+#include <libsolidity/CompilerStack.h>
+#include <libsolidity/AST.h>
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class SolidityInterfaceChecker
+{
+public:
+ SolidityInterfaceChecker(): m_compilerStack(false) {}
+
+ /// Compiles the given code, generates the interface and parses that again.
+ ContractDefinition const& checkInterface(string const& _code, string const& _contractName = "")
+ {
+ m_code = _code;
+ ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing failed");
+ m_interface = m_compilerStack.getMetadata("", DocumentationType::ABISolidityInterface);
+ ETH_TEST_REQUIRE_NO_THROW(m_reCompiler.parse(m_interface), "Interface parsing failed");
+ return m_reCompiler.getContractDefinition(_contractName);
+ }
+
+ string getSourcePart(ASTNode const& _node) const
+ {
+ SourceLocation location = _node.getLocation();
+ BOOST_REQUIRE(!location.isEmpty());
+ return m_interface.substr(location.start, location.end - location.start);
+ }
+
+protected:
+ string m_code;
+ string m_interface;
+ CompilerStack m_compilerStack;
+ CompilerStack m_reCompiler;
+};
+
+BOOST_FIXTURE_TEST_SUITE(SolidityInterface, SolidityInterfaceChecker)
+
+BOOST_AUTO_TEST_CASE(empty_contract)
+{
+ ContractDefinition const& contract = checkInterface("contract test {}");
+ BOOST_CHECK_EQUAL(getSourcePart(contract), "contract test{}");
+}
+
+BOOST_AUTO_TEST_CASE(single_function)
+{
+ ContractDefinition const& contract = checkInterface(
+ "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ "}\n");
+ BOOST_REQUIRE_EQUAL(1, contract.getDefinedFunctions().size());
+ BOOST_CHECK_EQUAL(getSourcePart(*contract.getDefinedFunctions().front()),
+ "function f(uint256 a)returns(uint256 d){}");
+}
+
+BOOST_AUTO_TEST_CASE(single_constant_function)
+{
+ ContractDefinition const& contract = checkInterface(
+ "contract test { function f(uint a) constant returns(bytes1 x) { 1==2; } }");
+ BOOST_REQUIRE_EQUAL(1, contract.getDefinedFunctions().size());
+ BOOST_CHECK_EQUAL(getSourcePart(*contract.getDefinedFunctions().front()),
+ "function f(uint256 a)constant returns(bytes1 x){}");
+}
+
+BOOST_AUTO_TEST_CASE(multiple_functions)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ " function g(uint b) returns(uint e) { return b * 8; }\n"
+ "}\n";
+ ContractDefinition const& contract = checkInterface(sourceCode);
+ set<string> expectation({"function f(uint256 a)returns(uint256 d){}",
+ "function g(uint256 b)returns(uint256 e){}"});
+ BOOST_REQUIRE_EQUAL(2, contract.getDefinedFunctions().size());
+ BOOST_CHECK(expectation == set<string>({getSourcePart(*contract.getDefinedFunctions().at(0)),
+ getSourcePart(*contract.getDefinedFunctions().at(1))}));
+}
+
+BOOST_AUTO_TEST_CASE(exclude_fallback_function)
+{
+ char const* sourceCode = "contract test { function() {} }";
+ ContractDefinition const& contract = checkInterface(sourceCode);
+ BOOST_CHECK_EQUAL(getSourcePart(contract), "contract test{}");
+}
+
+BOOST_AUTO_TEST_CASE(events)
+{
+ char const* sourceCode = "contract test {\n"
+ " function f(uint a) returns(uint d) { return a * 7; }\n"
+ " event e1(uint b, address indexed c); \n"
+ " event e2(); \n"
+ "}\n";
+ ContractDefinition const& contract = checkInterface(sourceCode);
+ // events should not appear in the Solidity Interface
+ BOOST_REQUIRE_EQUAL(0, contract.getEvents().size());
+}
+
+BOOST_AUTO_TEST_CASE(inheritance)
+{
+ char const* sourceCode =
+ " contract Base { \n"
+ " function baseFunction(uint p) returns (uint i) { return p; } \n"
+ " event baseEvent(bytes32 indexed evtArgBase); \n"
+ " } \n"
+ " contract Derived is Base { \n"
+ " function derivedFunction(bytes32 p) returns (bytes32 i) { return p; } \n"
+ " event derivedEvent(uint indexed evtArgDerived); \n"
+ " }";
+ ContractDefinition const& contract = checkInterface(sourceCode);
+ set<string> expectedFunctions({"function baseFunction(uint256 p)returns(uint256 i){}",
+ "function derivedFunction(bytes32 p)returns(bytes32 i){}"});
+ BOOST_REQUIRE_EQUAL(2, contract.getDefinedFunctions().size());
+ BOOST_CHECK(expectedFunctions == set<string>({getSourcePart(*contract.getDefinedFunctions().at(0)),
+ getSourcePart(*contract.getDefinedFunctions().at(1))}));
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}
+
+#endif
diff --git a/libsolidity/SolidityNameAndTypeResolution.cpp b/libsolidity/SolidityNameAndTypeResolution.cpp
new file mode 100644
index 00000000..917ea000
--- /dev/null
+++ b/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -0,0 +1,1675 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Unit tests for the name and type resolution of the solidity parser.
+ */
+
+#if ETH_SOLIDITY
+
+#include <string>
+
+#include <libdevcore/Log.h>
+#include <libdevcrypto/SHA3.h>
+#include <libsolidity/Scanner.h>
+#include <libsolidity/Parser.h>
+#include <libsolidity/NameAndTypeResolver.h>
+#include <libsolidity/Exceptions.h>
+#include <libsolidity/GlobalContext.h>
+#include "../TestHelper.h"
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+namespace
+{
+
+ASTPointer<SourceUnit> parseTextAndResolveNames(std::string const& _source)
+{
+ Parser parser;
+ ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
+ NameAndTypeResolver resolver({});
+ resolver.registerDeclarations(*sourceUnit);
+ std::shared_ptr<GlobalContext> globalContext = make_shared<GlobalContext>();
+
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ globalContext->setCurrentContract(*contract);
+ resolver.updateDeclaration(*globalContext->getCurrentThis());
+ resolver.updateDeclaration(*globalContext->getCurrentSuper());
+ resolver.resolveNamesAndTypes(*contract);
+ }
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ globalContext->setCurrentContract(*contract);
+ resolver.updateDeclaration(*globalContext->getCurrentThis());
+ resolver.checkTypeRequirements(*contract);
+ }
+
+ return sourceUnit;
+}
+
+
+static ContractDefinition const* retrieveContract(ASTPointer<SourceUnit> _source, unsigned index)
+{
+ ContractDefinition* contract;
+ unsigned counter = 0;
+ for (ASTPointer<ASTNode> const& node: _source->getNodes())
+ if ((contract = dynamic_cast<ContractDefinition*>(node.get())) && counter == index)
+ return contract;
+
+ return NULL;
+}
+
+static FunctionTypePointer const& retrieveFunctionBySignature(ContractDefinition const* _contract,
+ std::string const& _signature)
+{
+ FixedHash<4> hash(dev::sha3(_signature));
+ return _contract->getInterfaceFunctions()[hash];
+}
+
+}
+
+BOOST_AUTO_TEST_SUITE(SolidityNameAndTypeResolution)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+ char const* text = "contract test {\n"
+ " uint256 stateVariable1;\n"
+ " function fun(uint256 arg1) { uint256 y; }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(double_stateVariable_declaration)
+{
+ char const* text = "contract test {\n"
+ " uint256 variable;\n"
+ " uint128 variable;\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(double_function_declaration)
+{
+ char const* text = "contract test {\n"
+ " function fun() { var x; }\n"
+ " function fun() { var x; }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(double_variable_declaration)
+{
+ char const* text = "contract test {\n"
+ " function f() { uint256 x; if (true) { uint256 x; } }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(name_shadowing)
+{
+ char const* text = "contract test {\n"
+ " uint256 variable;\n"
+ " function f() { uint32 variable ; }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(name_references)
+{
+ char const* text = "contract test {\n"
+ " uint256 variable;\n"
+ " function f(uint256 arg) returns (uint out) { f(variable); test; out; }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(undeclared_name)
+{
+ char const* text = "contract test {\n"
+ " uint256 variable;\n"
+ " function f(uint256 arg) { f(notfound); }"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(reference_to_later_declaration)
+{
+ char const* text = "contract test {\n"
+ " function g() { f(); }"
+ " function f() { }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(struct_definition_directly_recursive)
+{
+ char const* text = "contract test {\n"
+ " struct MyStructName {\n"
+ " address addr;\n"
+ " MyStructName x;\n"
+ " }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(struct_definition_indirectly_recursive)
+{
+ char const* text = "contract test {\n"
+ " struct MyStructName1 {\n"
+ " address addr;\n"
+ " uint256 count;\n"
+ " MyStructName2 x;\n"
+ " }\n"
+ " struct MyStructName2 {\n"
+ " MyStructName1 x;\n"
+ " }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(struct_definition_recursion_via_mapping)
+{
+ char const* text = "contract test {\n"
+ " struct MyStructName1 {\n"
+ " address addr;\n"
+ " uint256 count;\n"
+ " mapping(uint => MyStructName1) x;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(type_inference_smoke_test)
+{
+ char const* text = "contract test {\n"
+ " function f(uint256 arg1, uint32 arg2) returns (bool ret) { var x = arg1 + arg2 == 8; ret = x; }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(type_checking_return)
+{
+ char const* text = "contract test {\n"
+ " function f() returns (bool r) { return 1 >= 2; }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(type_checking_return_wrong_number)
+{
+ char const* text = "contract test {\n"
+ " function f() returns (bool r1, bool r2) { return 1 >= 2; }"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(type_checking_return_wrong_type)
+{
+ char const* text = "contract test {\n"
+ " function f() returns (uint256 r) { return 1 >= 2; }"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(type_checking_function_call)
+{
+ char const* text = "contract test {\n"
+ " function f() returns (bool r) { return g(12, true) == 3; }\n"
+ " function g(uint256 a, bool b) returns (uint256 r) { }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(type_conversion_for_comparison)
+{
+ char const* text = "contract test {\n"
+ " function f() { uint32(2) == int64(2); }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(type_conversion_for_comparison_invalid)
+{
+ char const* text = "contract test {\n"
+ " function f() { int32(2) == uint64(2); }"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(type_inference_explicit_conversion)
+{
+ char const* text = "contract test {\n"
+ " function f() returns (int256 r) { var x = int256(uint32(2)); return x; }"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(large_string_literal)
+{
+ char const* text = "contract test {\n"
+ " function f() { var x = \"123456789012345678901234567890123\"; }"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(balance)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " uint256 x = address(0).balance;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(balance_invalid)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " address(0).balance = 7;\n"
+ " }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(assignment_to_mapping)
+{
+ char const* text = "contract test {\n"
+ " struct str {\n"
+ " mapping(uint=>uint) map;\n"
+ " }\n"
+ " str data;"
+ " function fun() {\n"
+ " var a = data.map;\n"
+ " data.map = a;\n"
+ " }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(assignment_to_struct)
+{
+ char const* text = "contract test {\n"
+ " struct str {\n"
+ " mapping(uint=>uint) map;\n"
+ " }\n"
+ " str data;"
+ " function fun() {\n"
+ " var a = data;\n"
+ " data = a;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(returns_in_constructor)
+{
+ char const* text = "contract test {\n"
+ " function test() returns (uint a) {\n"
+ " }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(forward_function_reference)
+{
+ char const* text = "contract First {\n"
+ " function fun() returns (bool ret) {\n"
+ " return Second(1).fun(1, true, 3) > 0;\n"
+ " }\n"
+ "}\n"
+ "contract Second {\n"
+ " function fun(uint a, bool b, uint c) returns (uint ret) {\n"
+ " if (First(2).fun() == true) return 1;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(comparison_bitop_precedence)
+{
+ char const* text = "contract First {\n"
+ " function fun() returns (bool ret) {\n"
+ " return 1 & 2 == 8 & 9 && 1 ^ 2 < 4 | 6;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(function_no_implementation)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = "contract test {\n"
+ " function functionName(bytes32 input) returns (bytes32 out);\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
+ std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
+ ContractDefinition* contract = dynamic_cast<ContractDefinition*>(nodes[0].get());
+ BOOST_CHECK(contract);
+ BOOST_CHECK(!contract->isFullyImplemented());
+ BOOST_CHECK(!contract->getDefinedFunctions()[0]->isFullyImplemented());
+}
+
+BOOST_AUTO_TEST_CASE(abstract_contract)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = R"(
+ contract base { function foo(); }
+ contract derived is base { function foo() {} }
+ )";
+ ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
+ std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
+ ContractDefinition* base = dynamic_cast<ContractDefinition*>(nodes[0].get());
+ ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[1].get());
+ BOOST_CHECK(base);
+ BOOST_CHECK(!base->isFullyImplemented());
+ BOOST_CHECK(!base->getDefinedFunctions()[0]->isFullyImplemented());
+ BOOST_CHECK(derived);
+ BOOST_CHECK(derived->isFullyImplemented());
+ BOOST_CHECK(derived->getDefinedFunctions()[0]->isFullyImplemented());
+}
+
+BOOST_AUTO_TEST_CASE(create_abstract_contract)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = R"(
+ contract base { function foo(); }
+ contract derived {
+ base b;
+ function foo() { b = new base();}
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(abstract_contract_constructor_args_optional)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = R"(
+ contract BaseBase { function BaseBase(uint j); }
+ contract base is BaseBase { function foo(); }
+ contract derived is base {
+ function derived(uint i) BaseBase(i){}
+ function foo() {}
+ }
+ )";
+ ETH_TEST_REQUIRE_NO_THROW(parseTextAndResolveNames(text), "Parsing and name resolving failed");
+}
+
+BOOST_AUTO_TEST_CASE(abstract_contract_constructor_args_not_provided)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = R"(
+ contract BaseBase { function BaseBase(uint j); }
+ contract base is BaseBase { function foo(); }
+ contract derived is base {
+ function derived(uint i) {}
+ function foo() {}
+ }
+ )";
+ ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name resolving failed");
+ std::vector<ASTPointer<ASTNode>> nodes = sourceUnit->getNodes();
+ BOOST_CHECK_EQUAL(nodes.size(), 3);
+ ContractDefinition* derived = dynamic_cast<ContractDefinition*>(nodes[2].get());
+ BOOST_CHECK(derived);
+ BOOST_CHECK(!derived->isFullyImplemented());
+}
+
+BOOST_AUTO_TEST_CASE(redeclare_implemented_abstract_function_as_abstract)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = R"(
+ contract base { function foo(); }
+ contract derived is base { function foo() {} }
+ contract wrong is derived { function foo(); }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(function_canonical_signature)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = "contract Test {\n"
+ " function foo(uint256 arg1, uint64 arg2, bool arg3) returns (uint256 ret) {\n"
+ " ret = arg1 + arg2;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ auto functions = contract->getDefinedFunctions();
+ BOOST_CHECK_EQUAL("foo(uint256,uint64,bool)", functions[0]->externalSignature());
+ }
+}
+
+BOOST_AUTO_TEST_CASE(function_canonical_signature_type_aliases)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = "contract Test {\n"
+ " function boo(uint arg1, bytes32 arg2, address arg3) returns (uint ret) {\n"
+ " ret = 5;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ auto functions = contract->getDefinedFunctions();
+ if (functions.empty())
+ continue;
+ BOOST_CHECK_EQUAL("boo(uint256,bytes32,address)", functions[0]->externalSignature());
+ }
+}
+
+BOOST_AUTO_TEST_CASE(function_external_types)
+{
+ ASTPointer<SourceUnit> sourceUnit;
+ char const* text = R"(
+ contract C {
+ uint a;
+ }
+ contract Test {
+ function boo(uint arg2, bool arg3, bytes8 arg4, bool[2] pairs, uint[] dynamic, C carg, address[] addresses) external returns (uint ret) {
+ ret = 5;
+ }
+ })";
+ ETH_TEST_REQUIRE_NO_THROW(sourceUnit = parseTextAndResolveNames(text), "Parsing and name Resolving failed");
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ContractDefinition* contract = dynamic_cast<ContractDefinition*>(node.get()))
+ {
+ auto functions = contract->getDefinedFunctions();
+ if (functions.empty())
+ continue;
+ BOOST_CHECK_EQUAL("boo(uint256,bool,bytes8,bool[2],uint256[],address,address[])", functions[0]->externalSignature());
+ }
+}
+
+BOOST_AUTO_TEST_CASE(function_external_call_allowed_conversion)
+{
+ char const* text = R"(
+ contract C {}
+ contract Test {
+ function externalCall() {
+ C arg;
+ this.g(arg);
+ }
+ function g (C c) external {}
+ })";
+ BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
+BOOST_AUTO_TEST_CASE(function_external_call_not_allowed_conversion)
+{
+ char const* text = R"(
+ contract C {}
+ contract Test {
+ function externalCall() {
+ address arg;
+ this.g(arg);
+ }
+ function g (C c) external {}
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+// todo delete when implemented
+BOOST_AUTO_TEST_CASE(arrays_in_internal_functions)
+{
+ char const* text = R"(
+ contract Test {
+ function foo(address[] addresses) {}
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(function_internal_allowed_conversion)
+{
+ char const* text = R"(
+ contract C {
+ uint a;
+ }
+ contract Test {
+ C a;
+ function g (C c) {}
+ function internalCall() {
+ g(a);
+ }
+ })";
+ BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
+BOOST_AUTO_TEST_CASE(function_internal_not_allowed_conversion)
+{
+ char const* text = R"(
+ contract C {
+ uint a;
+ }
+ contract Test {
+ address a;
+ function g (C c) {}
+ function internalCall() {
+ g(a);
+ }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(hash_collision_in_interface)
+{
+ char const* text = "contract test {\n"
+ " function gsf() {\n"
+ " }\n"
+ " function tgeo() {\n"
+ " }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(inheritance_basic)
+{
+ char const* text = R"(
+ contract base { uint baseMember; struct BaseType { uint element; } }
+ contract derived is base {
+ BaseType data;
+ function f() { baseMember = 7; }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(inheritance_diamond_basic)
+{
+ char const* text = R"(
+ contract root { function rootFunction() {} }
+ contract inter1 is root { function f() {} }
+ contract inter2 is root { function f() {} }
+ contract derived is root, inter2, inter1 {
+ function g() { f(); rootFunction(); }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(cyclic_inheritance)
+{
+ char const* text = R"(
+ contract A is B { }
+ contract B is A { }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(illegal_override_direct)
+{
+ char const* text = R"(
+ contract B { function f() {} }
+ contract C is B { function f(uint i) {} }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(illegal_override_indirect)
+{
+ char const* text = R"(
+ contract A { function f(uint a) {} }
+ contract B { function f() {} }
+ contract C is A, B { }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(illegal_override_visibility)
+{
+ char const* text = R"(
+ contract B { function f() internal {} }
+ contract C is B { function f() public {} }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(illegal_override_constness)
+{
+ char const* text = R"(
+ contract B { function f() constant {} }
+ contract C is B { function f() {} }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(complex_inheritance)
+{
+ char const* text = R"(
+ contract A { function f() { uint8 x = C(0).g(); } }
+ contract B { function f() {} function g() returns (uint8 r) {} }
+ contract C is A, B { }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(constructor_visibility)
+{
+ // The constructor of a base class should not be visible in the derived class
+ char const* text = R"(
+ contract A { function A() { } }
+ contract B is A { function f() { A x = A(0); } }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(overriding_constructor)
+{
+ // It is fine to "override" constructor of a base class since it is invisible
+ char const* text = R"(
+ contract A { function A() { } }
+ contract B is A { function A() returns (uint8 r) {} }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(missing_base_constructor_arguments)
+{
+ char const* text = R"(
+ contract A { function A(uint a) { } }
+ contract B is A { }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(base_constructor_arguments_override)
+{
+ char const* text = R"(
+ contract A { function A(uint a) { } }
+ contract B is A { }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(implicit_derived_to_base_conversion)
+{
+ char const* text = R"(
+ contract A { }
+ contract B is A {
+ function f() { A a = B(1); }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(implicit_base_to_derived_conversion)
+{
+ char const* text = R"(
+ contract A { }
+ contract B is A {
+ function f() { B b = A(1); }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_invocation)
+{
+ char const* text = R"(
+ contract B {
+ function f() mod1(2, true) mod2("0123456") { }
+ modifier mod1(uint a, bool b) { if (b) _ }
+ modifier mod2(bytes7 a) { while (a == "1234567") _ }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(invalid_function_modifier_type)
+{
+ char const* text = R"(
+ contract B {
+ function f() mod1(true) { }
+ modifier mod1(uint a) { if (a > 0) _ }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_invocation_parameters)
+{
+ char const* text = R"(
+ contract B {
+ function f(uint8 a) mod1(a, true) mod2(r) returns (bytes7 r) { }
+ modifier mod1(uint a, bool b) { if (b) _ }
+ modifier mod2(bytes7 a) { while (a == "1234567") _ }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(function_modifier_invocation_local_variables)
+{
+ char const* text = R"(
+ contract B {
+ function f() mod(x) { uint x = 7; }
+ modifier mod(uint a) { if (a > 0) _ }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(legal_modifier_override)
+{
+ char const* text = R"(
+ contract A { modifier mod(uint a) {} }
+ contract B is A { modifier mod(uint a) {} }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(illegal_modifier_override)
+{
+ char const* text = R"(
+ contract A { modifier mod(uint a) {} }
+ contract B is A { modifier mod(uint8 a) {} }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(modifier_overrides_function)
+{
+ char const* text = R"(
+ contract A { modifier mod(uint a) {} }
+ contract B is A { function mod(uint a) {} }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(function_overrides_modifier)
+{
+ char const* text = R"(
+ contract A { function mod(uint a) {} }
+ contract B is A { modifier mod(uint a) {} }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(modifier_returns_value)
+{
+ char const* text = R"(
+ contract A {
+ function f(uint a) mod(2) returns (uint r) {}
+ modifier mod(uint a) { return 7; }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(state_variable_accessors)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "uint256 public foo;\n"
+ "mapping(uint=>bytes4) public map;\n"
+ "mapping(uint=>mapping(uint=>bytes4)) public multiple_map;\n"
+ "}\n";
+
+ ASTPointer<SourceUnit> source;
+ ContractDefinition const* contract;
+ ETH_TEST_CHECK_NO_THROW(source = parseTextAndResolveNames(text), "Parsing and Resolving names failed");
+ BOOST_REQUIRE((contract = retrieveContract(source, 0)) != nullptr);
+ FunctionTypePointer function = retrieveFunctionBySignature(contract, "foo()");
+ BOOST_REQUIRE(function && function->hasDeclaration());
+ auto returnParams = function->getReturnParameterTypeNames();
+ BOOST_CHECK_EQUAL(returnParams.at(0), "uint256");
+ BOOST_CHECK(function->isConstant());
+
+ function = retrieveFunctionBySignature(contract, "map(uint256)");
+ BOOST_REQUIRE(function && function->hasDeclaration());
+ auto params = function->getParameterTypeNames();
+ BOOST_CHECK_EQUAL(params.at(0), "uint256");
+ returnParams = function->getReturnParameterTypeNames();
+ BOOST_CHECK_EQUAL(returnParams.at(0), "bytes4");
+ BOOST_CHECK(function->isConstant());
+
+ function = retrieveFunctionBySignature(contract, "multiple_map(uint256,uint256)");
+ BOOST_REQUIRE(function && function->hasDeclaration());
+ params = function->getParameterTypeNames();
+ BOOST_CHECK_EQUAL(params.at(0), "uint256");
+ BOOST_CHECK_EQUAL(params.at(1), "uint256");
+ returnParams = function->getReturnParameterTypeNames();
+ BOOST_CHECK_EQUAL(returnParams.at(0), "bytes4");
+ BOOST_CHECK(function->isConstant());
+}
+
+BOOST_AUTO_TEST_CASE(function_clash_with_state_variable_accessor)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "uint256 foo;\n"
+ " function foo() {}\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(private_state_variable)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "uint256 private foo;\n"
+ "uint256 internal bar;\n"
+ "}\n";
+
+ ASTPointer<SourceUnit> source;
+ ContractDefinition const* contract;
+ ETH_TEST_CHECK_NO_THROW(source = parseTextAndResolveNames(text), "Parsing and Resolving names failed");
+ BOOST_CHECK((contract = retrieveContract(source, 0)) != nullptr);
+ FunctionTypePointer function;
+ function = retrieveFunctionBySignature(contract, "foo()");
+ BOOST_CHECK_MESSAGE(function == nullptr, "Accessor function of a private variable should not exist");
+ function = retrieveFunctionBySignature(contract, "bar()");
+ BOOST_CHECK_MESSAGE(function == nullptr, "Accessor function of an internal variable should not exist");
+}
+
+BOOST_AUTO_TEST_CASE(base_class_state_variable_accessor)
+{
+ // test for issue #1126 https://github.com/ethereum/cpp-ethereum/issues/1126
+ char const* text = "contract Parent {\n"
+ " uint256 public m_aMember;\n"
+ "}\n"
+ "contract Child is Parent{\n"
+ " function foo() returns (uint256) { return Parent.m_aMember; }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(base_class_state_variable_internal_member)
+{
+ char const* text = "contract Parent {\n"
+ " uint256 internal m_aMember;\n"
+ "}\n"
+ "contract Child is Parent{\n"
+ " function foo() returns (uint256) { return Parent.m_aMember; }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(state_variable_member_of_wrong_class1)
+{
+ char const* text = "contract Parent1 {\n"
+ " uint256 internal m_aMember1;\n"
+ "}\n"
+ "contract Parent2 is Parent1{\n"
+ " uint256 internal m_aMember2;\n"
+ "}\n"
+ "contract Child is Parent2{\n"
+ " function foo() returns (uint256) { return Parent2.m_aMember1; }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(state_variable_member_of_wrong_class2)
+{
+ char const* text = "contract Parent1 {\n"
+ " uint256 internal m_aMember1;\n"
+ "}\n"
+ "contract Parent2 is Parent1{\n"
+ " uint256 internal m_aMember2;\n"
+ "}\n"
+ "contract Child is Parent2{\n"
+ " function foo() returns (uint256) { return Child.m_aMember2; }\n"
+ " uint256 public m_aMember3;\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(fallback_function)
+{
+ char const* text = R"(
+ contract C {
+ uint x;
+ function() { x = 2; }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(fallback_function_with_arguments)
+{
+ char const* text = R"(
+ contract C {
+ uint x;
+ function(uint a) { x = 2; }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(fallback_function_twice)
+{
+ char const* text = R"(
+ contract C {
+ uint x;
+ function() { x = 2; }
+ function() { x = 3; }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(fallback_function_inheritance)
+{
+ char const* text = R"(
+ contract A {
+ uint x;
+ function() { x = 1; }
+ }
+ contract C is A {
+ function() { x = 2; }
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(event)
+{
+ char const* text = R"(
+ contract c {
+ event e(uint indexed a, bytes3 indexed s, bool indexed b);
+ function f() { e(2, "abc", true); }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(event_too_many_indexed)
+{
+ char const* text = R"(
+ contract c {
+ event e(uint indexed a, bytes3 indexed b, bool indexed c, uint indexed d);
+ function f() { e(2, "abc", true); }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(event_call)
+{
+ char const* text = R"(
+ contract c {
+ event e(uint a, bytes3 indexed s, bool indexed b);
+ function f() { e(2, "abc", true); }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(event_inheritance)
+{
+ char const* text = R"(
+ contract base {
+ event e(uint a, bytes3 indexed s, bool indexed b);
+ }
+ contract c is base {
+ function f() { e(2, "abc", true); }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(multiple_events_argument_clash)
+{
+ char const* text = R"(
+ contract c {
+ event e1(uint a, uint e1, uint e2);
+ event e2(uint a, uint e1, uint e2);
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(access_to_default_function_visibility)
+{
+ char const* text = R"(
+ contract c {
+ function f() {}
+ }
+ contract d {
+ function g() { c(0).f(); }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(access_to_internal_function)
+{
+ char const* text = R"(
+ contract c {
+ function f() internal {}
+ }
+ contract d {
+ function g() { c(0).f(); }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(access_to_default_state_variable_visibility)
+{
+ char const* text = R"(
+ contract c {
+ uint a;
+ }
+ contract d {
+ function g() { c(0).a(); }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(access_to_internal_state_variable)
+{
+ char const* text = R"(
+ contract c {
+ uint public a;
+ }
+ contract d {
+ function g() { c(0).a(); }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(error_count_in_named_args)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(uint a, uint b) returns (uint r) { r = a + b; }\n"
+ " function b() returns (uint r) { r = a({a: 1}); }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(empty_in_named_args)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(uint a, uint b) returns (uint r) { r = a + b; }\n"
+ " function b() returns (uint r) { r = a({}); }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(duplicate_parameter_names_in_named_args)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(uint a, uint b) returns (uint r) { r = a + b; }\n"
+ " function b() returns (uint r) { r = a({a: 1, a: 2}); }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(invalid_parameter_names_in_named_args)
+{
+ char const* sourceCode = "contract test {\n"
+ " function a(uint a, uint b) returns (uint r) { r = a + b; }\n"
+ " function b() returns (uint r) { r = a({a: 1, c: 2}); }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter)
+{
+ char const* text = R"(
+ contract test {
+ function f(uint){
+ }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
+{
+ char const* text = R"(
+ contract test {
+ function f() returns(bool){
+ }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
+{
+ char const* text = R"(
+ contract test {
+ function f(uint, uint k) returns(uint ret_k){
+ return k;
+ }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(empty_name_return_parameter_with_named_one)
+{
+ char const* text = R"(
+ contract test {
+ function f() returns(uint ret_k, uint){
+ return 5;
+ }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(disallow_declaration_of_void_type)
+{
+ char const* sourceCode = "contract c { function f() { var x = f(); } }";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(overflow_caused_by_ether_units)
+{
+ char const* sourceCodeFine = R"(
+ contract c {
+ function c ()
+ {
+ a = 115792089237316195423570985008687907853269984665640564039458;
+ }
+ uint256 a;
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCodeFine),
+ "Parsing and Resolving names failed");
+ char const* sourceCode = R"(
+ contract c {
+ function c ()
+ {
+ a = 115792089237316195423570985008687907853269984665640564039458 ether;
+ }
+ uint256 a;
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(exp_operator_negative_exponent)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f() returns(uint d) { return 2 ** -3; }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(exp_operator_exponent_too_big)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f() returns(uint d) { return 2 ** 10000000000; }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(enum_member_access)
+{
+ char const* text = R"(
+ contract test {
+ enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
+ function test()
+ {
+ choices = ActionChoices.GoStraight;
+ }
+ ActionChoices choices;
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(enum_invalid_member_access)
+{
+ char const* text = R"(
+ contract test {
+ enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
+ function test()
+ {
+ choices = ActionChoices.RunAroundWavingYourHands;
+ }
+ ActionChoices choices;
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(enum_explicit_conversion_is_okay)
+{
+ char const* text = R"(
+ contract test {
+ enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
+ function test()
+ {
+ a = uint256(ActionChoices.GoStraight);
+ b = uint64(ActionChoices.Sit);
+ }
+ uint256 a;
+ uint64 b;
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(int_to_enum_explicit_conversion_is_okay)
+{
+ char const* text = R"(
+ contract test {
+ enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
+ function test()
+ {
+ a = 2;
+ b = ActionChoices(a);
+ }
+ uint256 a;
+ ActionChoices b;
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(enum_implicit_conversion_is_not_okay)
+{
+ char const* text = R"(
+ contract test {
+ enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
+ function test()
+ {
+ a = ActionChoices.GoStraight;
+ b = ActionChoices.Sit;
+ }
+ uint256 a;
+ uint64 b;
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(enum_duplicate_values)
+{
+ char const* text = R"(
+ contract test {
+ enum ActionChoices { GoLeft, GoRight, GoLeft, Sit }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(private_visibility)
+{
+ char const* sourceCode = R"(
+ contract base {
+ function f() private {}
+ }
+ contract derived is base {
+ function g() { f(); }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(private_visibility_via_explicit_base_access)
+{
+ char const* sourceCode = R"(
+ contract base {
+ function f() private {}
+ }
+ contract derived is base {
+ function g() { base.f(); }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(external_visibility)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function f() external {}
+ function g() { f(); }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), DeclarationError);
+}
+
+BOOST_AUTO_TEST_CASE(external_base_visibility)
+{
+ char const* sourceCode = R"(
+ contract base {
+ function f() external {}
+ }
+ contract derived is base {
+ function g() { base.f(); }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(external_argument_assign)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function f(uint a) external { a = 1; }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(external_argument_increment)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function f(uint a) external { a++; }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(external_argument_delete)
+{
+ char const* sourceCode = R"(
+ contract c {
+ function f(uint a) external { delete a; }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(test_for_bug_override_function_with_bytearray_type)
+{
+ char const* sourceCode = R"(
+ contract Vehicle {
+ function f(bytes _a) external returns (uint256 r) {r = 1;}
+ }
+ contract Bike is Vehicle {
+ function f(bytes _a) external returns (uint256 r) {r = 42;}
+ }
+ )";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode), "Parsing and Name Resolving failed");
+}
+
+BOOST_AUTO_TEST_CASE(array_with_nonconstant_length)
+{
+ char const* text = R"(
+ contract c {
+ function f(uint a) { uint8[a] x; }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_with_different_types1)
+{
+ char const* text = R"(
+ contract c {
+ bytes a;
+ uint[] b;
+ function f() { b = a; }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_with_different_types2)
+{
+ char const* text = R"(
+ contract c {
+ uint32[] a;
+ uint8[] b;
+ function f() { b = a; }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_with_different_types_conversion_possible)
+{
+ char const* text = R"(
+ contract c {
+ uint32[] a;
+ uint8[] b;
+ function f() { a = b; }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_with_different_types_static_dynamic)
+{
+ char const* text = R"(
+ contract c {
+ uint32[] a;
+ uint8[80] b;
+ function f() { a = b; }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseTextAndResolveNames(text), "Parsing and Name Resolving Failed");
+}
+
+BOOST_AUTO_TEST_CASE(array_copy_with_different_types_dynamic_static)
+{
+ char const* text = R"(
+ contract c {
+ uint[] a;
+ uint[80] b;
+ function f() { b = a; }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(storage_variable_initialization_with_incorrect_type_int)
+{
+ char const* text = R"(
+ contract c {
+ uint8 a = 1000;
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(storage_variable_initialization_with_incorrect_type_string)
+{
+ char const* text = R"(
+ contract c {
+ uint a = "abc";
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(test_fromElementaryTypeName)
+{
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int) == *make_shared<IntegerType>(256, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int8) == *make_shared<IntegerType>(8, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int16) == *make_shared<IntegerType>(16, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int24) == *make_shared<IntegerType>(24, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int32) == *make_shared<IntegerType>(32, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int40) == *make_shared<IntegerType>(40, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int48) == *make_shared<IntegerType>(48, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int56) == *make_shared<IntegerType>(56, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int64) == *make_shared<IntegerType>(64, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int72) == *make_shared<IntegerType>(72, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int80) == *make_shared<IntegerType>(80, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int88) == *make_shared<IntegerType>(88, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int96) == *make_shared<IntegerType>(96, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int104) == *make_shared<IntegerType>(104, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int112) == *make_shared<IntegerType>(112, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int120) == *make_shared<IntegerType>(120, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int128) == *make_shared<IntegerType>(128, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int136) == *make_shared<IntegerType>(136, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int144) == *make_shared<IntegerType>(144, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int152) == *make_shared<IntegerType>(152, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int160) == *make_shared<IntegerType>(160, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int168) == *make_shared<IntegerType>(168, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int176) == *make_shared<IntegerType>(176, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int184) == *make_shared<IntegerType>(184, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int192) == *make_shared<IntegerType>(192, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int200) == *make_shared<IntegerType>(200, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int208) == *make_shared<IntegerType>(208, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int216) == *make_shared<IntegerType>(216, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int224) == *make_shared<IntegerType>(224, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int232) == *make_shared<IntegerType>(232, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int240) == *make_shared<IntegerType>(240, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int248) == *make_shared<IntegerType>(248, IntegerType::Modifier::Signed));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Int256) == *make_shared<IntegerType>(256, IntegerType::Modifier::Signed));
+
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt) == *make_shared<IntegerType>(256, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt8) == *make_shared<IntegerType>(8, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt16) == *make_shared<IntegerType>(16, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt24) == *make_shared<IntegerType>(24, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt32) == *make_shared<IntegerType>(32, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt40) == *make_shared<IntegerType>(40, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt48) == *make_shared<IntegerType>(48, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt56) == *make_shared<IntegerType>(56, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt64) == *make_shared<IntegerType>(64, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt72) == *make_shared<IntegerType>(72, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt80) == *make_shared<IntegerType>(80, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt88) == *make_shared<IntegerType>(88, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt96) == *make_shared<IntegerType>(96, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt104) == *make_shared<IntegerType>(104, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt112) == *make_shared<IntegerType>(112, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt120) == *make_shared<IntegerType>(120, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt128) == *make_shared<IntegerType>(128, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt136) == *make_shared<IntegerType>(136, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt144) == *make_shared<IntegerType>(144, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt152) == *make_shared<IntegerType>(152, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt160) == *make_shared<IntegerType>(160, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt168) == *make_shared<IntegerType>(168, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt176) == *make_shared<IntegerType>(176, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt184) == *make_shared<IntegerType>(184, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt192) == *make_shared<IntegerType>(192, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt200) == *make_shared<IntegerType>(200, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt208) == *make_shared<IntegerType>(208, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt216) == *make_shared<IntegerType>(216, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt224) == *make_shared<IntegerType>(224, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt232) == *make_shared<IntegerType>(232, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt240) == *make_shared<IntegerType>(240, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt248) == *make_shared<IntegerType>(248, IntegerType::Modifier::Unsigned));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::UInt256) == *make_shared<IntegerType>(256, IntegerType::Modifier::Unsigned));
+
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Byte) == *make_shared<FixedBytesType>(1));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes0) == *make_shared<FixedBytesType>(0));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes1) == *make_shared<FixedBytesType>(1));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes2) == *make_shared<FixedBytesType>(2));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes3) == *make_shared<FixedBytesType>(3));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes4) == *make_shared<FixedBytesType>(4));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes5) == *make_shared<FixedBytesType>(5));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes6) == *make_shared<FixedBytesType>(6));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes7) == *make_shared<FixedBytesType>(7));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes8) == *make_shared<FixedBytesType>(8));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes9) == *make_shared<FixedBytesType>(9));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes10) == *make_shared<FixedBytesType>(10));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes11) == *make_shared<FixedBytesType>(11));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes12) == *make_shared<FixedBytesType>(12));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes13) == *make_shared<FixedBytesType>(13));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes14) == *make_shared<FixedBytesType>(14));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes15) == *make_shared<FixedBytesType>(15));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes16) == *make_shared<FixedBytesType>(16));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes17) == *make_shared<FixedBytesType>(17));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes18) == *make_shared<FixedBytesType>(18));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes19) == *make_shared<FixedBytesType>(19));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes20) == *make_shared<FixedBytesType>(20));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes21) == *make_shared<FixedBytesType>(21));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes22) == *make_shared<FixedBytesType>(22));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes23) == *make_shared<FixedBytesType>(23));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes24) == *make_shared<FixedBytesType>(24));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes25) == *make_shared<FixedBytesType>(25));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes26) == *make_shared<FixedBytesType>(26));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes27) == *make_shared<FixedBytesType>(27));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes28) == *make_shared<FixedBytesType>(28));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes29) == *make_shared<FixedBytesType>(29));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes30) == *make_shared<FixedBytesType>(30));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes31) == *make_shared<FixedBytesType>(31));
+ BOOST_CHECK(*Type::fromElementaryTypeName(Token::Bytes32) == *make_shared<FixedBytesType>(32));
+}
+
+BOOST_AUTO_TEST_CASE(test_byte_is_alias_of_byte1)
+{
+ char const* text = R"(
+ contract c {
+ bytes arr;
+ function f() { byte a = arr[0];}
+ })";
+ ETH_TEST_REQUIRE_NO_THROW(parseTextAndResolveNames(text), "Type resolving failed");
+}
+
+BOOST_AUTO_TEST_CASE(assigning_value_to_const_variable)
+{
+ char const* text = R"(
+ contract Foo {
+ function changeIt() { x = 9; }
+ uint constant x = 56;
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(complex_const_variable)
+{
+ //for now constant specifier is valid only for uint bytesXX and enums
+ char const* text = R"(
+ contract Foo {
+ mapping(uint => bool) constant mapVar;
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(uninitialized_const_variable)
+{
+ char const* text = R"(
+ contract Foo {
+ uint constant y;
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(local_const_variable)
+{
+ char const* text = R"(
+ contract Foo {
+ function localConst() returns (uint ret)
+ {
+ uint constant local = 4;
+ return local;
+ }
+ })";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(bytes0_array)
+{
+ char const* text = R"(
+ contract Foo {
+ bytes0[] illegalArray;
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
+}
+
+BOOST_AUTO_TEST_CASE(uninitialized_var)
+{
+ char const* sourceCode = R"(
+ contract C {
+ function f() returns (uint) { var x; return 2; }
+ }
+ )";
+ BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
+
+#endif
diff --git a/libsolidity/SolidityNatspecJSON.cpp b/libsolidity/SolidityNatspecJSON.cpp
new file mode 100644
index 00000000..99adcf19
--- /dev/null
+++ b/libsolidity/SolidityNatspecJSON.cpp
@@ -0,0 +1,543 @@
+/*
+ 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/>.
+ */
+/**
+ * @author Lefteris Karapetsas <lefteris@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity compiler JSON Interface output.
+ */
+
+#if ETH_SOLIDITY
+
+#include "../TestHelper.h"
+#include <json/json.h>
+#include <libsolidity/CompilerStack.h>
+#include <libsolidity/Exceptions.h>
+#include <libdevcore/Exceptions.h>
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class DocumentationChecker
+{
+public:
+ DocumentationChecker(): m_compilerStack(false) {}
+
+ void checkNatspec(std::string const& _code,
+ std::string const& _expectedDocumentationString,
+ bool _userDocumentation)
+ {
+ std::string generatedDocumentationString;
+ ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parse(_code), "Parsing failed");
+
+ if (_userDocumentation)
+ generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NatspecUser);
+ else
+ generatedDocumentationString = m_compilerStack.getMetadata("", DocumentationType::NatspecDev);
+ Json::Value generatedDocumentation;
+ m_reader.parse(generatedDocumentationString, generatedDocumentation);
+ Json::Value expectedDocumentation;
+ m_reader.parse(_expectedDocumentationString, expectedDocumentation);
+ BOOST_CHECK_MESSAGE(expectedDocumentation == generatedDocumentation,
+ "Expected " << _expectedDocumentationString <<
+ "\n but got:\n" << generatedDocumentationString);
+ }
+
+private:
+ CompilerStack m_compilerStack;
+ Json::Reader m_reader;
+};
+
+BOOST_FIXTURE_TEST_SUITE(SolidityNatspecJSON, DocumentationChecker)
+
+BOOST_AUTO_TEST_CASE(user_basic_test)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @notice Multiplies `a` by 7\n"
+ " function mul(uint a) returns(uint d) { return a * 7; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256)\":{ \"notice\": \"Multiplies `a` by 7\"}"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(dev_and_user_basic_test)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @notice Multiplies `a` by 7\n"
+ " /// @dev Multiplies a number by 7\n"
+ " function mul(uint a) returns(uint d) { return a * 7; }\n"
+ "}\n";
+
+ char const* devNatspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7\"\n"
+ " }\n"
+ " }\n"
+ "}}";
+
+ char const* userNatspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256)\":{ \"notice\": \"Multiplies `a` by 7\"}"
+ "}}";
+
+ checkNatspec(sourceCode, devNatspec, false);
+ checkNatspec(sourceCode, userNatspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(user_multiline_comment)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @notice Multiplies `a` by 7\n"
+ " /// and then adds `b`\n"
+ " function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
+ " {\n"
+ " return (a * 7) + b;\n"
+ " }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul_and_add(uint256,uint256)\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"}"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(user_multiple_functions)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @notice Multiplies `a` by 7 and then adds `b`\n"
+ " function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
+ " {\n"
+ " return (a * 7) + b;\n"
+ " }\n"
+ "\n"
+ " /// @notice Divides `input` by `div`\n"
+ " function divide(uint input, uint div) returns(uint d)\n"
+ " {\n"
+ " return input / div;\n"
+ " }\n"
+ " /// @notice Subtracts 3 from `input`\n"
+ " function sub(int input) returns(int d)\n"
+ " {\n"
+ " return input - 3;\n"
+ " }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul_and_add(uint256,uint256)\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"},"
+ " \"divide(uint256,uint256)\":{ \"notice\": \"Divides `input` by `div`\"},"
+ " \"sub(int256)\":{ \"notice\": \"Subtracts 3 from `input`\"}"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(user_empty_contract)
+{
+ char const* sourceCode = "contract test {\n"
+ "}\n";
+
+ char const* natspec = "{\"methods\":{} }";
+
+ checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(dev_and_user_no_doc)
+{
+ char const* sourceCode = "contract test {\n"
+ " function mul(uint a) returns(uint d) { return a * 7; }\n"
+ " function sub(int input) returns(int d)\n"
+ " {\n"
+ " return input - 3;\n"
+ " }\n"
+ "}\n";
+
+ char const* devNatspec = "{\"methods\":{}}";
+ char const* userNatspec = "{\"methods\":{}}";
+
+ checkNatspec(sourceCode, devNatspec, false);
+ checkNatspec(sourceCode, userNatspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(dev_desc_after_nl)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev\n"
+ " /// Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter\n"
+ " /// @param second Documentation for the second parameter\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \" Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " }\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_multiple_params)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter\n"
+ " /// @param second Documentation for the second parameter\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " }\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_documenting_nonexistant_param)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter\n"
+ " /// @param not_existing Documentation for the second parameter\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ BOOST_CHECK_THROW(checkNatspec(sourceCode, "", false), DocstringParsingError);
+}
+
+BOOST_AUTO_TEST_CASE(dev_mutiline_param_description)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter starts here.\n"
+ " /// Since it's a really complicated parameter we need 2 lines\n"
+ " /// @param second Documentation for the second parameter\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " }\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_multiple_functions)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter\n"
+ " /// @param second Documentation for the second parameter\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ " \n"
+ " /// @dev Divides 2 numbers\n"
+ " /// @param input Documentation for the input parameter\n"
+ " /// @param div Documentation for the div parameter\n"
+ " function divide(uint input, uint div) returns(uint d)\n"
+ " {\n"
+ " return input / div;\n"
+ " }\n"
+ " /// @dev Subtracts 3 from `input`\n"
+ " /// @param input Documentation for the input parameter\n"
+ " function sub(int input) returns(int d)\n"
+ " {\n"
+ " return input - 3;\n"
+ " }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " }\n"
+ " },\n"
+ " \"divide(uint256,uint256)\":{ \n"
+ " \"details\": \"Divides 2 numbers\",\n"
+ " \"params\": {\n"
+ " \"input\": \"Documentation for the input parameter\",\n"
+ " \"div\": \"Documentation for the div parameter\"\n"
+ " }\n"
+ " },\n"
+ " \"sub(int256)\":{ \n"
+ " \"details\": \"Subtracts 3 from `input`\",\n"
+ " \"params\": {\n"
+ " \"input\": \"Documentation for the input parameter\"\n"
+ " }\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_return)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter starts here.\n"
+ " /// Since it's a really complicated parameter we need 2 lines\n"
+ " /// @param second Documentation for the second parameter\n"
+ " /// @return The result of the multiplication\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " },\n"
+ " \"return\": \"The result of the multiplication\"\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+BOOST_AUTO_TEST_CASE(dev_return_desc_after_nl)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter starts here.\n"
+ " /// Since it's a really complicated parameter we need 2 lines\n"
+ " /// @param second Documentation for the second parameter\n"
+ " /// @return\n"
+ " /// The result of the multiplication\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " },\n"
+ " \"return\": \" The result of the multiplication\"\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+
+BOOST_AUTO_TEST_CASE(dev_multiline_return)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Multiplies a number by 7 and adds second parameter\n"
+ " /// @param a Documentation for the first parameter starts here.\n"
+ " /// Since it's a really complicated parameter we need 2 lines\n"
+ " /// @param second Documentation for the second parameter\n"
+ " /// @return The result of the multiplication\n"
+ " /// and cookies with nutella\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " },\n"
+ " \"return\": \"The result of the multiplication and cookies with nutella\"\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_multiline_comment)
+{
+ char const* sourceCode = "contract test {\n"
+ " /**\n"
+ " * @dev Multiplies a number by 7 and adds second parameter\n"
+ " * @param a Documentation for the first parameter starts here.\n"
+ " * Since it's a really complicated parameter we need 2 lines\n"
+ " * @param second Documentation for the second parameter\n"
+ " * @return The result of the multiplication\n"
+ " * and cookies with nutella\n"
+ " */"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
+ " \"params\": {\n"
+ " \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
+ " \"second\": \"Documentation for the second parameter\"\n"
+ " },\n"
+ " \"return\": \"The result of the multiplication and cookies with nutella\"\n"
+ " }\n"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_contract_no_doc)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// @dev Mul function\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ " \"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Mul function\"\n"
+ " }\n"
+ " }\n"
+ "}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_contract_doc)
+{
+ char const* sourceCode = " /// @author Lefteris\n"
+ " /// @title Just a test contract\n"
+ "contract test {\n"
+ " /// @dev Mul function\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ " \"author\": \"Lefteris\","
+ " \"title\": \"Just a test contract\","
+ " \"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Mul function\"\n"
+ " }\n"
+ " }\n"
+ "}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_author_at_function)
+{
+ char const* sourceCode = " /// @author Lefteris\n"
+ " /// @title Just a test contract\n"
+ "contract test {\n"
+ " /// @dev Mul function\n"
+ " /// @author John Doe\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ " \"author\": \"Lefteris\","
+ " \"title\": \"Just a test contract\","
+ " \"methods\":{"
+ " \"mul(uint256,uint256)\":{ \n"
+ " \"details\": \"Mul function\",\n"
+ " \"author\": \"John Doe\",\n"
+ " }\n"
+ " }\n"
+ "}";
+
+ checkNatspec(sourceCode, natspec, false);
+}
+
+BOOST_AUTO_TEST_CASE(dev_title_at_function_error)
+{
+ char const* sourceCode = " /// @author Lefteris\n"
+ " /// @title Just a test contract\n"
+ "contract test {\n"
+ " /// @dev Mul function\n"
+ " /// @title I really should not be here\n"
+ " function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
+ "}\n";
+
+ BOOST_CHECK_THROW(checkNatspec(sourceCode, "", false), DocstringParsingError);
+}
+
+BOOST_AUTO_TEST_CASE(natspec_notice_without_tag)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// I do something awesome\n"
+ " function mul(uint a) returns(uint d) { return a * 7; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256)\":{ \"notice\": \"I do something awesome\"}"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_CASE(natspec_multiline_notice_without_tag)
+{
+ char const* sourceCode = "contract test {\n"
+ " /// I do something awesome\n"
+ " /// which requires two lines to explain\n"
+ " function mul(uint a) returns(uint d) { return a * 7; }\n"
+ "}\n";
+
+ char const* natspec = "{"
+ "\"methods\":{"
+ " \"mul(uint256)\":{ \"notice\": \"I do something awesome which requires two lines to explain\"}"
+ "}}";
+
+ checkNatspec(sourceCode, natspec, true);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}
+
+#endif
diff --git a/libsolidity/SolidityOptimizer.cpp b/libsolidity/SolidityOptimizer.cpp
new file mode 100644
index 00000000..8ab1de8f
--- /dev/null
+++ b/libsolidity/SolidityOptimizer.cpp
@@ -0,0 +1,820 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Tests for the Solidity optimizer.
+ */
+
+#if ETH_SOLIDITY
+
+#include <string>
+#include <tuple>
+#include <boost/test/unit_test.hpp>
+#include <boost/lexical_cast.hpp>
+#include <test/libsolidity/solidityExecutionFramework.h>
+#include <libevmcore/CommonSubexpressionEliminator.h>
+#include <libevmcore/ControlFlowGraph.h>
+#include <libevmcore/Assembly.h>
+
+using namespace std;
+using namespace dev::eth;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class OptimizerTestFramework: public ExecutionFramework
+{
+public:
+ OptimizerTestFramework() { }
+ /// Compiles the source code with and without optimizing.
+ void compileBothVersions(
+ std::string const& _sourceCode,
+ u256 const& _value = 0,
+ std::string const& _contractName = ""
+ )
+ {
+ m_optimize = false;
+ bytes nonOptimizedBytecode = compileAndRun(_sourceCode, _value, _contractName);
+ m_nonOptimizedContract = m_contractAddress;
+ m_optimize = true;
+ bytes optimizedBytecode = compileAndRun(_sourceCode, _value, _contractName);
+ size_t nonOptimizedSize = 0;
+ eth::eachInstruction(nonOptimizedBytecode, [&](Instruction, u256 const&) {
+ nonOptimizedSize++;
+ });
+ size_t optimizedSize = 0;
+ eth::eachInstruction(optimizedBytecode, [&](Instruction, u256 const&) {
+ optimizedSize++;
+ });
+ BOOST_CHECK_MESSAGE(
+ nonOptimizedSize > optimizedSize,
+ "Optimizer did not reduce bytecode size."
+ );
+ m_optimizedContract = m_contractAddress;
+ }
+
+ template <class... Args>
+ void compareVersions(std::string _sig, Args const&... _arguments)
+ {
+ m_contractAddress = m_nonOptimizedContract;
+ bytes nonOptimizedOutput = callContractFunction(_sig, _arguments...);
+ m_contractAddress = m_optimizedContract;
+ bytes optimizedOutput = callContractFunction(_sig, _arguments...);
+ BOOST_CHECK_MESSAGE(nonOptimizedOutput == optimizedOutput, "Computed values do not match."
+ "\nNon-Optimized: " + toHex(nonOptimizedOutput) +
+ "\nOptimized: " + toHex(optimizedOutput));
+ }
+
+ AssemblyItems getCSE(AssemblyItems const& _input)
+ {
+ eth::CommonSubexpressionEliminator cse;
+ BOOST_REQUIRE(cse.feedItems(_input.begin(), _input.end()) == _input.end());
+ return cse.getOptimizedItems();
+ }
+
+ void checkCSE(AssemblyItems const& _input, AssemblyItems const& _expectation)
+ {
+ AssemblyItems output = getCSE(_input);
+ BOOST_CHECK_EQUAL_COLLECTIONS(_expectation.begin(), _expectation.end(), output.begin(), output.end());
+ }
+
+ void checkCFG(AssemblyItems const& _input, AssemblyItems const& _expectation)
+ {
+ AssemblyItems output = _input;
+ // Running it four times should be enough for these tests.
+ for (unsigned i = 0; i < 4; ++i)
+ {
+ eth::ControlFlowGraph cfg(output);
+ output = cfg.optimisedItems();
+ }
+ BOOST_CHECK_EQUAL_COLLECTIONS(_expectation.begin(), _expectation.end(), output.begin(), output.end());
+ }
+
+protected:
+ Address m_optimizedContract;
+ Address m_nonOptimizedContract;
+};
+
+BOOST_FIXTURE_TEST_SUITE(SolidityOptimizer, OptimizerTestFramework)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f(uint a) returns (uint b) {
+ return a;
+ }
+ })";
+ compileBothVersions(sourceCode);
+ compareVersions("f(uint256)", u256(7));
+}
+
+BOOST_AUTO_TEST_CASE(identities)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f(int a) returns (int b) {
+ return int(0) | (int(1) * (int(0) ^ (0 + a)));
+ }
+ })";
+ compileBothVersions(sourceCode);
+ compareVersions("f(uint256)", u256(0x12334664));
+}
+
+BOOST_AUTO_TEST_CASE(unused_expressions)
+{
+ char const* sourceCode = R"(
+ contract test {
+ uint data;
+ function f() returns (uint a, uint b) {
+ 10 + 20;
+ data;
+ }
+ })";
+ compileBothVersions(sourceCode);
+ compareVersions("f()");
+}
+
+BOOST_AUTO_TEST_CASE(constant_folding_both_sides)
+{
+ // if constants involving the same associative and commutative operator are applied from both
+ // sides, the operator should be applied only once, because the expression compiler pushes
+ // literals as late as possible
+ char const* sourceCode = R"(
+ contract test {
+ function f(uint x) returns (uint y) {
+ return 98 ^ (7 * ((1 | (x | 1000)) * 40) ^ 102);
+ }
+ })";
+ compileBothVersions(sourceCode);
+ compareVersions("f(uint256)");
+}
+
+BOOST_AUTO_TEST_CASE(storage_access)
+{
+ char const* sourceCode = R"(
+ contract test {
+ uint8[40] data;
+ function f(uint x) returns (uint y) {
+ data[2] = data[7] = uint8(x);
+ data[4] = data[2] * 10 + data[3];
+ }
+ }
+ )";
+ compileBothVersions(sourceCode);
+ compareVersions("f(uint256)");
+}
+
+BOOST_AUTO_TEST_CASE(array_copy)
+{
+ char const* sourceCode = R"(
+ contract test {
+ bytes2[] data1;
+ bytes5[] data2;
+ function f(uint x) returns (uint l, uint y) {
+ for (uint i = 0; i < msg.data.length; ++i)
+ data1[i] = msg.data[i];
+ data2 = data1;
+ l = data2.length;
+ y = uint(data2[x]);
+ }
+ }
+ )";
+ compileBothVersions(sourceCode);
+ compareVersions("f(uint256)", 0);
+ compareVersions("f(uint256)", 10);
+ compareVersions("f(uint256)", 36);
+}
+
+BOOST_AUTO_TEST_CASE(function_calls)
+{
+ char const* sourceCode = R"(
+ contract test {
+ function f1(uint x) returns (uint) { return x*x; }
+ function f(uint x) returns (uint) { return f1(7+x) - this.f1(x**9); }
+ }
+ )";
+ compileBothVersions(sourceCode);
+ compareVersions("f(uint256)", 0);
+ compareVersions("f(uint256)", 10);
+ compareVersions("f(uint256)", 36);
+}
+
+BOOST_AUTO_TEST_CASE(cse_intermediate_swap)
+{
+ eth::CommonSubexpressionEliminator cse;
+ AssemblyItems input{
+ Instruction::SWAP1, Instruction::POP, Instruction::ADD, u256(0), Instruction::SWAP1,
+ Instruction::SLOAD, Instruction::SWAP1, u256(100), Instruction::EXP, Instruction::SWAP1,
+ Instruction::DIV, u256(0xff), Instruction::AND
+ };
+ BOOST_REQUIRE(cse.feedItems(input.begin(), input.end()) == input.end());
+ AssemblyItems output = cse.getOptimizedItems();
+ BOOST_CHECK(!output.empty());
+}
+
+BOOST_AUTO_TEST_CASE(cse_negative_stack_access)
+{
+ AssemblyItems input{Instruction::DUP2, u256(0)};
+ checkCSE(input, input);
+}
+
+BOOST_AUTO_TEST_CASE(cse_negative_stack_end)
+{
+ AssemblyItems input{Instruction::ADD};
+ checkCSE(input, input);
+}
+
+BOOST_AUTO_TEST_CASE(cse_intermediate_negative_stack)
+{
+ AssemblyItems input{Instruction::ADD, u256(1), Instruction::DUP1};
+ checkCSE(input, input);
+}
+
+BOOST_AUTO_TEST_CASE(cse_pop)
+{
+ checkCSE({Instruction::POP}, {Instruction::POP});
+}
+
+BOOST_AUTO_TEST_CASE(cse_unneeded_items)
+{
+ AssemblyItems input{
+ Instruction::ADD,
+ Instruction::SWAP1,
+ Instruction::POP,
+ u256(7),
+ u256(8),
+ };
+ checkCSE(input, input);
+}
+
+BOOST_AUTO_TEST_CASE(cse_constant_addition)
+{
+ AssemblyItems input{u256(7), u256(8), Instruction::ADD};
+ checkCSE(input, {u256(7 + 8)});
+}
+
+BOOST_AUTO_TEST_CASE(cse_invariants)
+{
+ AssemblyItems input{
+ Instruction::DUP1,
+ Instruction::DUP1,
+ u256(0),
+ Instruction::OR,
+ Instruction::OR
+ };
+ checkCSE(input, {Instruction::DUP1});
+}
+
+BOOST_AUTO_TEST_CASE(cse_subself)
+{
+ checkCSE({Instruction::DUP1, Instruction::SUB}, {Instruction::POP, u256(0)});
+}
+
+BOOST_AUTO_TEST_CASE(cse_subother)
+{
+ checkCSE({Instruction::SUB}, {Instruction::SUB});
+}
+
+BOOST_AUTO_TEST_CASE(cse_double_negation)
+{
+ checkCSE({Instruction::DUP5, Instruction::NOT, Instruction::NOT}, {Instruction::DUP5});
+}
+
+BOOST_AUTO_TEST_CASE(cse_associativity)
+{
+ AssemblyItems input{
+ Instruction::DUP1,
+ Instruction::DUP1,
+ u256(0),
+ Instruction::OR,
+ Instruction::OR
+ };
+ checkCSE(input, {Instruction::DUP1});
+}
+
+BOOST_AUTO_TEST_CASE(cse_associativity2)
+{
+ AssemblyItems input{
+ u256(0),
+ Instruction::DUP2,
+ u256(2),
+ u256(1),
+ Instruction::DUP6,
+ Instruction::ADD,
+ u256(2),
+ Instruction::ADD,
+ Instruction::ADD,
+ Instruction::ADD,
+ Instruction::ADD
+ };
+ checkCSE(input, {Instruction::DUP2, Instruction::DUP2, Instruction::ADD, u256(5), Instruction::ADD});
+}
+
+BOOST_AUTO_TEST_CASE(cse_storage)
+{
+ AssemblyItems input{
+ u256(0),
+ Instruction::SLOAD,
+ u256(0),
+ Instruction::SLOAD,
+ Instruction::ADD,
+ u256(0),
+ Instruction::SSTORE
+ };
+ checkCSE(input, {
+ u256(0),
+ Instruction::DUP1,
+ Instruction::SLOAD,
+ Instruction::DUP1,
+ Instruction::ADD,
+ Instruction::SWAP1,
+ Instruction::SSTORE
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_noninterleaved_storage)
+{
+ // two stores to the same location should be replaced by only one store, even if we
+ // read in the meantime
+ AssemblyItems input{
+ u256(7),
+ Instruction::DUP2,
+ Instruction::SSTORE,
+ Instruction::DUP1,
+ Instruction::SLOAD,
+ u256(8),
+ Instruction::DUP3,
+ Instruction::SSTORE
+ };
+ checkCSE(input, {
+ u256(8),
+ Instruction::DUP2,
+ Instruction::SSTORE,
+ u256(7)
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_interleaved_storage)
+{
+ // stores and reads to/from two unknown locations, should not optimize away the first store
+ AssemblyItems input{
+ u256(7),
+ Instruction::DUP2,
+ Instruction::SSTORE, // store to "DUP1"
+ Instruction::DUP2,
+ Instruction::SLOAD, // read from "DUP2", might be equal to "DUP1"
+ u256(0),
+ Instruction::DUP3,
+ Instruction::SSTORE // store different value to "DUP1"
+ };
+ checkCSE(input, input);
+}
+
+BOOST_AUTO_TEST_CASE(cse_interleaved_storage_same_value)
+{
+ // stores and reads to/from two unknown locations, should not optimize away the first store
+ // but it should optimize away the second, since we already know the value will be the same
+ AssemblyItems input{
+ u256(7),
+ Instruction::DUP2,
+ Instruction::SSTORE, // store to "DUP1"
+ Instruction::DUP2,
+ Instruction::SLOAD, // read from "DUP2", might be equal to "DUP1"
+ u256(6),
+ u256(1),
+ Instruction::ADD,
+ Instruction::DUP3,
+ Instruction::SSTORE // store same value to "DUP1"
+ };
+ checkCSE(input, {
+ u256(7),
+ Instruction::DUP2,
+ Instruction::SSTORE,
+ Instruction::DUP2,
+ Instruction::SLOAD
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_interleaved_storage_at_known_location)
+{
+ // stores and reads to/from two known locations, should optimize away the first store,
+ // because we know that the location is different
+ AssemblyItems input{
+ u256(0x70),
+ u256(1),
+ Instruction::SSTORE, // store to 1
+ u256(2),
+ Instruction::SLOAD, // read from 2, is different from 1
+ u256(0x90),
+ u256(1),
+ Instruction::SSTORE // store different value at 1
+ };
+ checkCSE(input, {
+ u256(2),
+ Instruction::SLOAD,
+ u256(0x90),
+ u256(1),
+ Instruction::SSTORE
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_interleaved_storage_at_known_location_offset)
+{
+ // stores and reads to/from two locations which are known to be different,
+ // should optimize away the first store, because we know that the location is different
+ AssemblyItems input{
+ u256(0x70),
+ Instruction::DUP2,
+ u256(1),
+ Instruction::ADD,
+ Instruction::SSTORE, // store to "DUP1"+1
+ Instruction::DUP1,
+ u256(2),
+ Instruction::ADD,
+ Instruction::SLOAD, // read from "DUP1"+2, is different from "DUP1"+1
+ u256(0x90),
+ Instruction::DUP3,
+ u256(1),
+ Instruction::ADD,
+ Instruction::SSTORE // store different value at "DUP1"+1
+ };
+ checkCSE(input, {
+ u256(2),
+ Instruction::DUP2,
+ Instruction::ADD,
+ Instruction::SLOAD,
+ u256(0x90),
+ u256(1),
+ Instruction::DUP4,
+ Instruction::ADD,
+ Instruction::SSTORE
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_interleaved_memory_at_known_location_offset)
+{
+ // stores and reads to/from two locations which are known to be different,
+ // should not optimize away the first store, because the location overlaps with the load,
+ // but it should optimize away the second, because we know that the location is different by 32
+ AssemblyItems input{
+ u256(0x50),
+ Instruction::DUP2,
+ u256(2),
+ Instruction::ADD,
+ Instruction::MSTORE, // ["DUP1"+2] = 0x50
+ u256(0x60),
+ Instruction::DUP2,
+ u256(32),
+ Instruction::ADD,
+ Instruction::MSTORE, // ["DUP1"+32] = 0x60
+ Instruction::DUP1,
+ Instruction::MLOAD, // read from "DUP1"
+ u256(0x70),
+ Instruction::DUP3,
+ u256(32),
+ Instruction::ADD,
+ Instruction::MSTORE, // ["DUP1"+32] = 0x70
+ u256(0x80),
+ Instruction::DUP3,
+ u256(2),
+ Instruction::ADD,
+ Instruction::MSTORE, // ["DUP1"+2] = 0x80
+ };
+ // If the actual code changes too much, we could also simply check that the output contains
+ // exactly 3 MSTORE and exactly 1 MLOAD instruction.
+ checkCSE(input, {
+ u256(0x50),
+ u256(2),
+ Instruction::DUP3,
+ Instruction::ADD,
+ Instruction::SWAP1,
+ Instruction::DUP2,
+ Instruction::MSTORE, // ["DUP1"+2] = 0x50
+ Instruction::DUP2,
+ Instruction::MLOAD, // read from "DUP1"
+ u256(0x70),
+ u256(32),
+ Instruction::DUP5,
+ Instruction::ADD,
+ Instruction::MSTORE, // ["DUP1"+32] = 0x70
+ u256(0x80),
+ Instruction::SWAP1,
+ Instruction::SWAP2,
+ Instruction::MSTORE // ["DUP1"+2] = 0x80
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_deep_stack)
+{
+ AssemblyItems input{
+ Instruction::ADD,
+ Instruction::SWAP1,
+ Instruction::POP,
+ Instruction::SWAP8,
+ Instruction::POP,
+ Instruction::SWAP8,
+ Instruction::POP,
+ Instruction::SWAP8,
+ Instruction::SWAP5,
+ Instruction::POP,
+ Instruction::POP,
+ Instruction::POP,
+ Instruction::POP,
+ Instruction::POP,
+ };
+ checkCSE(input, {
+ Instruction::SWAP4,
+ Instruction::SWAP12,
+ Instruction::SWAP3,
+ Instruction::SWAP11,
+ Instruction::POP,
+ Instruction::SWAP1,
+ Instruction::SWAP3,
+ Instruction::ADD,
+ Instruction::SWAP8,
+ Instruction::POP,
+ Instruction::SWAP6,
+ Instruction::POP,
+ Instruction::POP,
+ Instruction::POP,
+ Instruction::POP,
+ Instruction::POP,
+ Instruction::POP,
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_jumpi_no_jump)
+{
+ AssemblyItems input{
+ u256(0),
+ u256(1),
+ Instruction::DUP2,
+ AssemblyItem(PushTag, 1),
+ Instruction::JUMPI
+ };
+ checkCSE(input, {
+ u256(0),
+ u256(1)
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_jumpi_jump)
+{
+ AssemblyItems input{
+ u256(1),
+ u256(1),
+ Instruction::DUP2,
+ AssemblyItem(PushTag, 1),
+ Instruction::JUMPI
+ };
+ checkCSE(input, {
+ u256(1),
+ Instruction::DUP1,
+ AssemblyItem(PushTag, 1),
+ Instruction::JUMP
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_empty_sha3)
+{
+ AssemblyItems input{
+ u256(0),
+ Instruction::DUP2,
+ Instruction::SHA3
+ };
+ checkCSE(input, {
+ u256(sha3(bytesConstRef()))
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_partial_sha3)
+{
+ AssemblyItems input{
+ u256(0xabcd) << (256 - 16),
+ u256(0),
+ Instruction::MSTORE,
+ u256(2),
+ u256(0),
+ Instruction::SHA3
+ };
+ checkCSE(input, {
+ u256(0xabcd) << (256 - 16),
+ u256(0),
+ Instruction::MSTORE,
+ u256(sha3(bytes{0xab, 0xcd}))
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_location)
+{
+ // sha3 twice from same dynamic location
+ AssemblyItems input{
+ Instruction::DUP2,
+ Instruction::DUP1,
+ Instruction::MSTORE,
+ u256(64),
+ Instruction::DUP2,
+ Instruction::SHA3,
+ u256(64),
+ Instruction::DUP3,
+ Instruction::SHA3
+ };
+ checkCSE(input, {
+ Instruction::DUP2,
+ Instruction::DUP1,
+ Instruction::MSTORE,
+ u256(64),
+ Instruction::DUP2,
+ Instruction::SHA3,
+ Instruction::DUP1
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content)
+{
+ // sha3 twice from different dynamic location but with same content
+ AssemblyItems input{
+ Instruction::DUP1,
+ u256(0x80),
+ Instruction::MSTORE, // m[128] = DUP1
+ u256(0x20),
+ u256(0x80),
+ Instruction::SHA3, // sha3(m[128..(128+32)])
+ Instruction::DUP2,
+ u256(12),
+ Instruction::MSTORE, // m[12] = DUP1
+ u256(0x20),
+ u256(12),
+ Instruction::SHA3 // sha3(m[12..(12+32)])
+ };
+ checkCSE(input, {
+ u256(0x80),
+ Instruction::DUP2,
+ Instruction::DUP2,
+ Instruction::MSTORE,
+ u256(0x20),
+ Instruction::SWAP1,
+ Instruction::SHA3,
+ u256(12),
+ Instruction::DUP3,
+ Instruction::SWAP1,
+ Instruction::MSTORE,
+ Instruction::DUP1
+ });
+}
+
+BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_dynamic_store_in_between)
+{
+ // sha3 twice from different dynamic location but with same content,
+ // dynamic mstore in between, which forces us to re-calculate the sha3
+ AssemblyItems input{
+ u256(0x80),
+ Instruction::DUP2,
+ Instruction::DUP2,
+ Instruction::MSTORE, // m[128] = DUP1
+ u256(0x20),
+ Instruction::DUP1,
+ Instruction::DUP3,
+ Instruction::SHA3, // sha3(m[128..(128+32)])
+ u256(12),
+ Instruction::DUP5,
+ Instruction::DUP2,
+ Instruction::MSTORE, // m[12] = DUP1
+ Instruction::DUP12,
+ Instruction::DUP14,
+ Instruction::MSTORE, // destroys memory knowledge
+ Instruction::SWAP2,
+ Instruction::SWAP1,
+ Instruction::SWAP2,
+ Instruction::SHA3 // sha3(m[12..(12+32)])
+ };
+ checkCSE(input, input);
+}
+
+BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_noninterfering_store_in_between)
+{
+ // sha3 twice from different dynamic location but with same content,
+ // dynamic mstore in between, but does not force us to re-calculate the sha3
+ AssemblyItems input{
+ u256(0x80),
+ Instruction::DUP2,
+ Instruction::DUP2,
+ Instruction::MSTORE, // m[128] = DUP1
+ u256(0x20),
+ Instruction::DUP1,
+ Instruction::DUP3,
+ Instruction::SHA3, // sha3(m[128..(128+32)])
+ u256(12),
+ Instruction::DUP5,
+ Instruction::DUP2,
+ Instruction::MSTORE, // m[12] = DUP1
+ Instruction::DUP12,
+ u256(12 + 32),
+ Instruction::MSTORE, // does not destoy memory knowledge
+ Instruction::DUP13,
+ u256(128 - 32),
+ Instruction::MSTORE, // does not destoy memory knowledge
+ u256(0x20),
+ u256(12),
+ Instruction::SHA3 // sha3(m[12..(12+32)])
+ };
+ // if this changes too often, only count the number of SHA3 and MSTORE instructions
+ AssemblyItems output = getCSE(input);
+ BOOST_CHECK_EQUAL(4, count(output.begin(), output.end(), AssemblyItem(Instruction::MSTORE)));
+ BOOST_CHECK_EQUAL(1, count(output.begin(), output.end(), AssemblyItem(Instruction::SHA3)));
+}
+
+BOOST_AUTO_TEST_CASE(control_flow_graph_remove_unused)
+{
+ // remove parts of the code that are unused
+ AssemblyItems input{
+ AssemblyItem(PushTag, 1),
+ Instruction::JUMP,
+ u256(7),
+ AssemblyItem(Tag, 1),
+ };
+ checkCFG(input, {});
+}
+
+BOOST_AUTO_TEST_CASE(control_flow_graph_remove_unused_loop)
+{
+ AssemblyItems input{
+ AssemblyItem(PushTag, 3),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 1),
+ u256(7),
+ AssemblyItem(PushTag, 2),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 2),
+ u256(8),
+ AssemblyItem(PushTag, 1),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 3),
+ u256(11)
+ };
+ checkCFG(input, {u256(11)});
+}
+
+BOOST_AUTO_TEST_CASE(control_flow_graph_reconnect_single_jump_source)
+{
+ // move code that has only one unconditional jump source
+ AssemblyItems input{
+ u256(1),
+ AssemblyItem(PushTag, 1),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 2),
+ u256(2),
+ AssemblyItem(PushTag, 3),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 1),
+ u256(3),
+ AssemblyItem(PushTag, 2),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 3),
+ u256(4),
+ };
+ checkCFG(input, {u256(1), u256(3), u256(2), u256(4)});
+}
+
+BOOST_AUTO_TEST_CASE(control_flow_graph_do_not_remove_returned_to)
+{
+ // do not remove parts that are "returned to"
+ AssemblyItems input{
+ AssemblyItem(PushTag, 1),
+ AssemblyItem(PushTag, 2),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 2),
+ Instruction::JUMP,
+ AssemblyItem(Tag, 1),
+ u256(2)
+ };
+ checkCFG(input, {u256(2)});
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
+
+#endif
diff --git a/libsolidity/SolidityParser.cpp b/libsolidity/SolidityParser.cpp
new file mode 100644
index 00000000..7baa1292
--- /dev/null
+++ b/libsolidity/SolidityParser.cpp
@@ -0,0 +1,859 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity parser.
+ */
+
+#if ETH_SOLIDITY
+
+#include <string>
+#include <memory>
+#include <libdevcore/Log.h>
+#include <libsolidity/Scanner.h>
+#include <libsolidity/Parser.h>
+#include <libsolidity/Exceptions.h>
+#include "../TestHelper.h"
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+namespace
+{
+ASTPointer<ContractDefinition> parseText(std::string const& _source)
+{
+ Parser parser;
+ ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
+ for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
+ if (ASTPointer<ContractDefinition> contract = dynamic_pointer_cast<ContractDefinition>(node))
+ return contract;
+ BOOST_FAIL("No contract found in source.");
+ return ASTPointer<ContractDefinition>();
+}
+
+static void checkFunctionNatspec(ASTPointer<FunctionDefinition> _function,
+ std::string const& _expectedDoc)
+{
+ auto doc = _function->getDocumentation();
+ BOOST_CHECK_MESSAGE(doc != nullptr, "Function does not have Natspec Doc as expected");
+ BOOST_CHECK_EQUAL(*doc, _expectedDoc);
+}
+
+}
+
+
+BOOST_AUTO_TEST_SUITE(SolidityParser)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+ char const* text = "contract test {\n"
+ " uint256 stateVariable1;\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed.");
+}
+
+BOOST_AUTO_TEST_CASE(missing_variable_name_in_declaration)
+{
+ char const* text = "contract test {\n"
+ " uint256 ;\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(empty_function)
+{
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " function functionName(bytes20 arg1, address addr) constant\n"
+ " returns (int id)\n"
+ " { }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed.");
+}
+
+BOOST_AUTO_TEST_CASE(no_function_params)
+{
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " function functionName() {}\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed.");
+}
+
+BOOST_AUTO_TEST_CASE(single_function_param)
+{
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " function functionName(bytes32 input) returns (bytes32 out) {}\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed.");
+}
+
+BOOST_AUTO_TEST_CASE(function_no_body)
+{
+ char const* text = "contract test {\n"
+ " function functionName(bytes32 input) returns (bytes32 out);\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed.");
+}
+
+BOOST_AUTO_TEST_CASE(missing_parameter_name_in_named_args)
+{
+ char const* text = "contract test {\n"
+ " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n"
+ " function b() returns (uint r) { r = a({: 1, : 2, : 3}); }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(missing_argument_in_named_args)
+{
+ char const* text = "contract test {\n"
+ " function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }\n"
+ " function b() returns (uint r) { r = a({a: , b: , c: }); }\n"
+ "}\n";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(function_natspec_documentation)
+{
+ ASTPointer<ContractDefinition> contract;
+ ASTPointer<FunctionDefinition> function;
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " /// This is a test function\n"
+ " function functionName(bytes32 input) returns (bytes32 out) {}\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed");
+ auto functions = contract->getDefinedFunctions();
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function");
+ checkFunctionNatspec(function, "This is a test function");
+}
+
+BOOST_AUTO_TEST_CASE(function_normal_comments)
+{
+ ASTPointer<ContractDefinition> contract;
+ ASTPointer<FunctionDefinition> function;
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " // We won't see this comment\n"
+ " function functionName(bytes32 input) returns (bytes32 out) {}\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed");
+ auto functions = contract->getDefinedFunctions();
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function");
+ BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr,
+ "Should not have gotten a Natspecc comment for this function");
+}
+
+BOOST_AUTO_TEST_CASE(multiple_functions_natspec_documentation)
+{
+ ASTPointer<ContractDefinition> contract;
+ ASTPointer<FunctionDefinition> function;
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " /// This is test function 1\n"
+ " function functionName1(bytes32 input) returns (bytes32 out) {}\n"
+ " /// This is test function 2\n"
+ " function functionName2(bytes32 input) returns (bytes32 out) {}\n"
+ " // nothing to see here\n"
+ " function functionName3(bytes32 input) returns (bytes32 out) {}\n"
+ " /// This is test function 4\n"
+ " function functionName4(bytes32 input) returns (bytes32 out) {}\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed");
+ auto functions = contract->getDefinedFunctions();
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function");
+ checkFunctionNatspec(function, "This is test function 1");
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(1), "Failed to retrieve function");
+ checkFunctionNatspec(function, "This is test function 2");
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(2), "Failed to retrieve function");
+ BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr,
+ "Should not have gotten natspec comment for functionName3()");
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(3), "Failed to retrieve function");
+ checkFunctionNatspec(function, "This is test function 4");
+}
+
+BOOST_AUTO_TEST_CASE(multiline_function_documentation)
+{
+ ASTPointer<ContractDefinition> contract;
+ ASTPointer<FunctionDefinition> function;
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " /// This is a test function\n"
+ " /// and it has 2 lines\n"
+ " function functionName1(bytes32 input) returns (bytes32 out) {}\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed");
+ auto functions = contract->getDefinedFunctions();
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function");
+ checkFunctionNatspec(function, "This is a test function\n"
+ " and it has 2 lines");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_comment_in_function_body)
+{
+ ASTPointer<ContractDefinition> contract;
+ ASTPointer<FunctionDefinition> function;
+ char const* text = "contract test {\n"
+ " /// fun1 description\n"
+ " function fun1(uint256 a) {\n"
+ " var b;\n"
+ " /// I should not interfere with actual natspec comments\n"
+ " uint256 c;\n"
+ " mapping(address=>bytes32) d;\n"
+ " bytes7 name = \"Solidity\";"
+ " }\n"
+ " /// This is a test function\n"
+ " /// and it has 2 lines\n"
+ " function fun(bytes32 input) returns (bytes32 out) {}\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed");
+ auto functions = contract->getDefinedFunctions();
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function");
+ checkFunctionNatspec(function, "fun1 description");
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(1), "Failed to retrieve function");
+ checkFunctionNatspec(function, "This is a test function\n"
+ " and it has 2 lines");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_docstring_between_keyword_and_signature)
+{
+ ASTPointer<ContractDefinition> contract;
+ ASTPointer<FunctionDefinition> function;
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " function ///I am in the wrong place \n"
+ " fun1(uint256 a) {\n"
+ " var b;\n"
+ " /// I should not interfere with actual natspec comments\n"
+ " uint256 c;\n"
+ " mapping(address=>bytes32) d;\n"
+ " bytes7 name = \"Solidity\";"
+ " }\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed");
+ auto functions = contract->getDefinedFunctions();
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function");
+ BOOST_CHECK_MESSAGE(!function->getDocumentation(),
+ "Shouldn't get natspec docstring for this function");
+}
+
+BOOST_AUTO_TEST_CASE(natspec_docstring_after_signature)
+{
+ ASTPointer<ContractDefinition> contract;
+ ASTPointer<FunctionDefinition> function;
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " function fun1(uint256 a) {\n"
+ " /// I should have been above the function signature\n"
+ " var b;\n"
+ " /// I should not interfere with actual natspec comments\n"
+ " uint256 c;\n"
+ " mapping(address=>bytes32) d;\n"
+ " bytes7 name = \"Solidity\";"
+ " }\n"
+ "}\n";
+ ETH_TEST_REQUIRE_NO_THROW(contract = parseText(text), "Parsing failed");
+ auto functions = contract->getDefinedFunctions();
+
+ ETH_TEST_REQUIRE_NO_THROW(function = functions.at(0), "Failed to retrieve function");
+ BOOST_CHECK_MESSAGE(!function->getDocumentation(),
+ "Shouldn't get natspec docstring for this function");
+}
+
+BOOST_AUTO_TEST_CASE(struct_definition)
+{
+ char const* text = "contract test {\n"
+ " uint256 stateVar;\n"
+ " struct MyStructName {\n"
+ " address addr;\n"
+ " uint256 count;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(mapping)
+{
+ char const* text = "contract test {\n"
+ " mapping(address => bytes32) names;\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(mapping_in_struct)
+{
+ char const* text = "contract test {\n"
+ " struct test_struct {\n"
+ " address addr;\n"
+ " uint256 count;\n"
+ " mapping(bytes32 => test_struct) self_reference;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(mapping_to_mapping_in_struct)
+{
+ char const* text = "contract test {\n"
+ " struct test_struct {\n"
+ " address addr;\n"
+ " mapping (uint64 => mapping (bytes32 => uint)) complex_mapping;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(variable_definition)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " var b;\n"
+ " uint256 c;\n"
+ " mapping(address=>bytes32) d;\n"
+ " customtype varname;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(variable_definition_with_initialization)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " var b = 2;\n"
+ " uint256 c = 0x87;\n"
+ " mapping(address=>bytes32) d;\n"
+ " bytes7 name = \"Solidity\";"
+ " customtype varname;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(variable_definition_in_function_parameter)
+{
+ char const* text = R"(
+ contract test {
+ function fun(var a) {}
+ }
+ )";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(variable_definition_in_mapping)
+{
+ char const* text = R"(
+ contract test {
+ function fun() {
+ mapping(var=>bytes32) d;
+ }
+ }
+ )";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(variable_definition_in_function_return)
+{
+ char const* text = R"(
+ contract test {
+ function fun() returns(var d) {
+ return 1;
+ }
+ }
+ )";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(operator_expression)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " uint256 x = (1 + 4) || false && (1 - 12) + -9;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(complex_expression)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " uint256 x = (1 + 4).member(++67)[a/=9] || true;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(exp_expression)
+{
+ char const* text = R"(
+ contract test {
+ function fun(uint256 a) {
+ uint256 x = 3 ** a;
+ }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(while_loop)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " while (true) { uint256 x = 1; break; continue; } x = 9;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(for_loop_vardef_initexpr)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " for (uint256 i = 0; i < 10; i++)\n"
+ " { uint256 x = i; break; continue; }\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(for_loop_simple_initexpr)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " uint256 i =0;\n"
+ " for (i = 0; i < 10; i++)\n"
+ " { uint256 x = i; break; continue; }\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(for_loop_simple_noexpr)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " uint256 i =0;\n"
+ " for (;;)\n"
+ " { uint256 x = i; break; continue; }\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(for_loop_single_stmt_body)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " uint256 i =0;\n"
+ " for (i = 0; i < 10; i++)\n"
+ " continue;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(if_statement)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) {\n"
+ " if (a >= 8) return 2; else { var b = 7; }\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(else_if_statement)
+{
+ char const* text = "contract test {\n"
+ " function fun(uint256 a) returns (address b) {\n"
+ " if (a < 0) b = 0x67; else if (a == 0) b = 0x12; else b = 0x78;\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(statement_starting_with_type_conversion)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " uint64[7](3);\n"
+ " uint64[](3);\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(type_conversion_to_dynamic_array)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " var x = uint64[](3);\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(import_directive)
+{
+ char const* text = "import \"abc\";\n"
+ "contract test {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(multiple_contracts)
+{
+ char const* text = "contract test {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n"
+ "contract test2 {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(multiple_contracts_and_imports)
+{
+ char const* text = "import \"abc\";\n"
+ "contract test {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n"
+ "import \"def\";\n"
+ "contract test2 {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n"
+ "import \"ghi\";\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(contract_inheritance)
+{
+ char const* text = "contract base {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n"
+ "contract derived is base {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(contract_multiple_inheritance)
+{
+ char const* text = "contract base {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n"
+ "contract derived is base, nonExisting {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(contract_multiple_inheritance_with_arguments)
+{
+ char const* text = "contract base {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n"
+ "contract derived is base(2), nonExisting(\"abc\", \"def\", base.fun()) {\n"
+ " function fun() {\n"
+ " uint64(2);\n"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(placeholder_in_function_context)
+{
+ char const* text = "contract c {\n"
+ " function fun() returns (uint r) {\n"
+ " var _ = 8;\n"
+ " return _ + 1;"
+ " }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(modifier)
+{
+ char const* text = "contract c {\n"
+ " modifier mod { if (msg.sender == 0) _ }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(modifier_arguments)
+{
+ char const* text = "contract c {\n"
+ " modifier mod(uint a) { if (msg.sender == a) _ }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(modifier_invocation)
+{
+ char const* text = "contract c {\n"
+ " modifier mod1(uint a) { if (msg.sender == a) _ }\n"
+ " modifier mod2 { if (msg.sender == 2) _ }\n"
+ " function f() mod1(7) mod2 { }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(fallback_function)
+{
+ char const* text = "contract c {\n"
+ " function() { }\n"
+ "}\n";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(event)
+{
+ char const* text = R"(
+ contract c {
+ event e();
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(event_arguments)
+{
+ char const* text = R"(
+ contract c {
+ event e(uint a, bytes32 s);
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(event_arguments_indexed)
+{
+ char const* text = R"(
+ contract c {
+ event e(uint a, bytes32 indexed s, bool indexed b);
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(visibility_specifiers)
+{
+ char const* text = R"(
+ contract c {
+ uint private a;
+ uint internal b;
+ uint public c;
+ uint d;
+ function f() {}
+ function f_priv() private {}
+ function f_public() public {}
+ function f_internal() internal {}
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(multiple_visibility_specifiers)
+{
+ char const* text = R"(
+ contract c {
+ uint private internal a;
+ })";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations)
+{
+ char const* text = R"(
+ contract c {
+ function c ()
+ {
+ a = 1 wei;
+ b = 2 szabo;
+ c = 3 finney;
+ b = 4 ether;
+ }
+ uint256 a;
+ uint256 b;
+ uint256 c;
+ uint256 d;
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations_in_expressions)
+{
+ char const* text = R"(
+ contract c {
+ function c ()
+ {
+ a = 1 wei * 100 wei + 7 szabo - 3;
+ }
+ uint256 a;
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(enum_valid_declaration)
+{
+ char const* text = R"(
+ contract c {
+ enum validEnum { Value1, Value2, Value3, Value4 }
+ function c ()
+ {
+ a = foo.Value3;
+ }
+ uint256 a;
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(empty_enum_declaration)
+{
+ char const* text = R"(
+ contract c {
+ enum foo { }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(malformed_enum_declaration)
+{
+ char const* text = R"(
+ contract c {
+ enum foo { WARNING,}
+ })";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(external_function)
+{
+ char const* text = R"(
+ contract c {
+ function x() external {}
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(external_variable)
+{
+ char const* text = R"(
+ contract c {
+ uint external x;
+ })";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(arrays_in_storage)
+{
+ char const* text = R"(
+ contract c {
+ uint[10] a;
+ uint[] a2;
+ struct x { uint[2**20] b; y[0] c; }
+ struct y { uint d; mapping(uint=>x)[] e; }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(arrays_in_events)
+{
+ char const* text = R"(
+ contract c {
+ event e(uint[10] a, bytes7[8] indexed b, c[3] x);
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(arrays_in_expressions)
+{
+ char const* text = R"(
+ contract c {
+ function f() { c[10] a = 7; uint8[10 * 2] x; }
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(multi_arrays)
+{
+ char const* text = R"(
+ contract c {
+ mapping(uint => mapping(uint => int8)[8][][9])[] x;
+ })";
+ ETH_TEST_CHECK_NO_THROW(parseText(text), "Parsing failed");
+}
+
+BOOST_AUTO_TEST_CASE(constant_is_keyword)
+{
+ char const* text = R"(
+ contract Foo {
+ uint constant = 4;
+ })";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_CASE(var_array)
+{
+ char const* text = R"(
+ contract Foo {
+ function f() { var[] a; }
+ })";
+ BOOST_CHECK_THROW(parseText(text), ParserError);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
+
+#endif
diff --git a/libsolidity/SolidityScanner.cpp b/libsolidity/SolidityScanner.cpp
new file mode 100644
index 00000000..20b946ee
--- /dev/null
+++ b/libsolidity/SolidityScanner.cpp
@@ -0,0 +1,292 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Unit tests for the solidity scanner.
+ */
+
+#if ETH_SOLIDITY
+
+#include <libsolidity/Scanner.h>
+#include <boost/test/unit_test.hpp>
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+BOOST_AUTO_TEST_SUITE(SolidityScanner)
+
+BOOST_AUTO_TEST_CASE(test_empty)
+{
+ Scanner scanner(CharStream(""));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+}
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+ Scanner scanner(CharStream("function break;765 \t \"string1\",'string2'\nidentifier1"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Function);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Break);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "765");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "string1");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Comma);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "string2");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "identifier1");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+}
+
+BOOST_AUTO_TEST_CASE(string_escapes)
+{
+ Scanner scanner(CharStream(" { \"a\\x61\""));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBrace);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "aa");
+}
+
+BOOST_AUTO_TEST_CASE(string_escapes_with_zero)
+{
+ Scanner scanner(CharStream(" { \"a\\x61\\x00abc\""));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LBrace);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::StringLiteral);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), std::string("aa\0abc", 6));
+}
+
+BOOST_AUTO_TEST_CASE(string_escape_illegal)
+{
+ Scanner scanner(CharStream(" bla \"\\x6rf\" (illegalescape)"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "");
+ // TODO recovery from illegal tokens should be improved
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Illegal);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+}
+
+BOOST_AUTO_TEST_CASE(hex_numbers)
+{
+ Scanner scanner(CharStream("var x = 0x765432536763762734623472346;"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Var);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Assign);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "0x765432536763762734623472346");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+}
+
+BOOST_AUTO_TEST_CASE(negative_numbers)
+{
+ Scanner scanner(CharStream("var x = -.2 + -0x78 + -7.3 + 8.9;"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Var);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Assign);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), ".2");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "0x78");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "7.3");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLiteral(), "8.9");
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+}
+
+BOOST_AUTO_TEST_CASE(locations)
+{
+ Scanner scanner(CharStream("function_identifier has ; -0x743/*comment*/\n ident //comment"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 0);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 19);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 20);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 23);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Semicolon);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 24);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 25);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Sub);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Number);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 27);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 32);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().start, 45);
+ BOOST_CHECK_EQUAL(scanner.getCurrentLocation().end, 50);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+}
+
+BOOST_AUTO_TEST_CASE(ambiguities)
+{
+ // test scanning of some operators which need look-ahead
+ Scanner scanner(CharStream("<=""<""+ +=a++ =>""<<"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::LessThanOrEqual);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::LessThan);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Add);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::AssignAdd);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Inc);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Arrow);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
+}
+
+BOOST_AUTO_TEST_CASE(documentation_comments_parsed_begin)
+{
+ Scanner scanner(CharStream("/// Send $(value / 1000) chocolates to the user"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed_begin)
+{
+ Scanner scanner(CharStream("/** Send $(value / 1000) chocolates to the user*/"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(documentation_comments_parsed)
+{
+ Scanner scanner(CharStream("some other tokens /// Send $(value / 1000) chocolates to the user"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(multiline_documentation_comments_parsed)
+{
+ Scanner scanner(CharStream("some other tokens /**\n"
+ "* Send $(value / 1000) chocolates to the user\n"
+ "*/"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(multiline_documentation_no_stars)
+{
+ Scanner scanner(CharStream("some other tokens /**\n"
+ " Send $(value / 1000) chocolates to the user\n"
+ "*/"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(multiline_documentation_whitespace_hell)
+{
+ Scanner scanner(CharStream("some other tokens /** \t \r \n"
+ "\t \r * Send $(value / 1000) chocolates to the user\n"
+ "*/"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "Send $(value / 1000) chocolates to the user");
+}
+
+BOOST_AUTO_TEST_CASE(comment_before_eos)
+{
+ Scanner scanner(CharStream("//"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "");
+}
+
+BOOST_AUTO_TEST_CASE(documentation_comment_before_eos)
+{
+ Scanner scanner(CharStream("///"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "");
+}
+
+BOOST_AUTO_TEST_CASE(empty_multiline_comment)
+{
+ Scanner scanner(CharStream("/**/"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "");
+}
+
+BOOST_AUTO_TEST_CASE(empty_multiline_documentation_comment_before_eos)
+{
+ Scanner scanner(CharStream("/***/"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::EOS);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "");
+}
+
+BOOST_AUTO_TEST_CASE(comments_mixed_in_sequence)
+{
+ Scanner scanner(CharStream("hello_world ///documentation comment \n"
+ "//simple comment \n"
+ "<<"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::Identifier);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SHL);
+ BOOST_CHECK_EQUAL(scanner.getCurrentCommentLiteral(), "documentation comment ");
+}
+
+BOOST_AUTO_TEST_CASE(ether_subdenominations)
+{
+ Scanner scanner(CharStream("wei szabo finney ether"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::SubWei);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubSzabo);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubFinney);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubEther);
+}
+
+BOOST_AUTO_TEST_CASE(time_subdenominations)
+{
+ Scanner scanner(CharStream("seconds minutes hours days weeks years"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::SubSecond);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubMinute);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubHour);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubDay);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubWeek);
+ BOOST_CHECK_EQUAL(scanner.next(), Token::SubYear);
+}
+
+BOOST_AUTO_TEST_CASE(time_after)
+{
+ Scanner scanner(CharStream("after 1"));
+ BOOST_CHECK_EQUAL(scanner.getCurrentToken(), Token::After);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces
+
+#endif
diff --git a/libsolidity/SolidityTypes.cpp b/libsolidity/SolidityTypes.cpp
new file mode 100644
index 00000000..da8b4830
--- /dev/null
+++ b/libsolidity/SolidityTypes.cpp
@@ -0,0 +1,97 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2015
+ * Unit tests for the type system of Solidity.
+ */
+
+#if ETH_SOLIDITY
+
+#include <libsolidity/Types.h>
+#include <boost/test/unit_test.hpp>
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+BOOST_AUTO_TEST_SUITE(SolidityTypes)
+
+BOOST_AUTO_TEST_CASE(storage_layout_simple)
+{
+ MemberList members(MemberList::MemberMap({
+ {string("first"), Type::fromElementaryTypeName("uint128")},
+ {string("second"), Type::fromElementaryTypeName("uint120")},
+ {string("wraps"), Type::fromElementaryTypeName("uint16")}
+ }));
+ BOOST_REQUIRE_EQUAL(u256(2), members.getStorageSize());
+ BOOST_REQUIRE(members.getMemberStorageOffset("first") != nullptr);
+ BOOST_REQUIRE(members.getMemberStorageOffset("second") != nullptr);
+ BOOST_REQUIRE(members.getMemberStorageOffset("wraps") != nullptr);
+ BOOST_CHECK(*members.getMemberStorageOffset("first") == make_pair(u256(0), unsigned(0)));
+ BOOST_CHECK(*members.getMemberStorageOffset("second") == make_pair(u256(0), unsigned(16)));
+ BOOST_CHECK(*members.getMemberStorageOffset("wraps") == make_pair(u256(1), unsigned(0)));
+}
+
+BOOST_AUTO_TEST_CASE(storage_layout_mapping)
+{
+ MemberList members(MemberList::MemberMap({
+ {string("first"), Type::fromElementaryTypeName("uint128")},
+ {string("second"), make_shared<MappingType>(
+ Type::fromElementaryTypeName("uint8"),
+ Type::fromElementaryTypeName("uint8")
+ )},
+ {string("third"), Type::fromElementaryTypeName("uint16")},
+ {string("final"), make_shared<MappingType>(
+ Type::fromElementaryTypeName("uint8"),
+ Type::fromElementaryTypeName("uint8")
+ )},
+ }));
+ BOOST_REQUIRE_EQUAL(u256(4), members.getStorageSize());
+ BOOST_REQUIRE(members.getMemberStorageOffset("first") != nullptr);
+ BOOST_REQUIRE(members.getMemberStorageOffset("second") != nullptr);
+ BOOST_REQUIRE(members.getMemberStorageOffset("third") != nullptr);
+ BOOST_REQUIRE(members.getMemberStorageOffset("final") != nullptr);
+ BOOST_CHECK(*members.getMemberStorageOffset("first") == make_pair(u256(0), unsigned(0)));
+ BOOST_CHECK(*members.getMemberStorageOffset("second") == make_pair(u256(1), unsigned(0)));
+ BOOST_CHECK(*members.getMemberStorageOffset("third") == make_pair(u256(2), unsigned(0)));
+ BOOST_CHECK(*members.getMemberStorageOffset("final") == make_pair(u256(3), unsigned(0)));
+}
+
+BOOST_AUTO_TEST_CASE(storage_layout_arrays)
+{
+ BOOST_CHECK(ArrayType(ArrayType::Location::Storage, make_shared<FixedBytesType>(1), 32).getStorageSize() == 1);
+ BOOST_CHECK(ArrayType(ArrayType::Location::Storage, make_shared<FixedBytesType>(1), 33).getStorageSize() == 2);
+ BOOST_CHECK(ArrayType(ArrayType::Location::Storage, make_shared<FixedBytesType>(2), 31).getStorageSize() == 2);
+ BOOST_CHECK(ArrayType(ArrayType::Location::Storage, make_shared<FixedBytesType>(7), 8).getStorageSize() == 2);
+ BOOST_CHECK(ArrayType(ArrayType::Location::Storage, make_shared<FixedBytesType>(7), 9).getStorageSize() == 3);
+ BOOST_CHECK(ArrayType(ArrayType::Location::Storage, make_shared<FixedBytesType>(31), 9).getStorageSize() == 9);
+ BOOST_CHECK(ArrayType(ArrayType::Location::Storage, make_shared<FixedBytesType>(32), 9).getStorageSize() == 9);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}
+
+#endif
diff --git a/libsolidity/solidityExecutionFramework.h b/libsolidity/solidityExecutionFramework.h
new file mode 100644
index 00000000..f76465f2
--- /dev/null
+++ b/libsolidity/solidityExecutionFramework.h
@@ -0,0 +1,181 @@
+/*
+ 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/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Framework for executing Solidity contracts and testing them against C++ implementation.
+ */
+
+#pragma once
+
+#include <string>
+#include <tuple>
+#include "../TestHelper.h"
+#include <libethereum/State.h>
+#include <libethereum/Executive.h>
+#include <libsolidity/CompilerStack.h>
+
+namespace dev
+{
+
+namespace solidity
+{
+namespace test
+{
+
+class ExecutionFramework
+{
+public:
+ ExecutionFramework() { g_logVerbosity = 0; }
+
+ bytes const& compileAndRun(std::string const& _sourceCode, u256 const& _value = 0, std::string const& _contractName = "")
+ {
+ dev::solidity::CompilerStack compiler(m_addStandardSources);
+ compiler.addSource("", _sourceCode);
+ ETH_TEST_REQUIRE_NO_THROW(compiler.compile(m_optimize), "Compiling contract failed");
+
+ bytes code = compiler.getBytecode(_contractName);
+ sendMessage(code, true, _value);
+ BOOST_REQUIRE(!m_output.empty());
+ return m_output;
+ }
+
+ template <class... Args>
+ bytes const& callContractFunctionWithValue(std::string _sig, u256 const& _value,
+ Args const&... _arguments)
+ {
+ FixedHash<4> hash(dev::sha3(_sig));
+ sendMessage(hash.asBytes() + encodeArgs(_arguments...), false, _value);
+ return m_output;
+ }
+
+ template <class... Args>
+ bytes const& callContractFunction(std::string _sig, Args const&... _arguments)
+ {
+ return callContractFunctionWithValue(_sig, 0, _arguments...);
+ }
+
+ template <class CppFunction, class... Args>
+ void testSolidityAgainstCpp(std::string _sig, CppFunction const& _cppFunction, Args const&... _arguments)
+ {
+ bytes solidityResult = callContractFunction(_sig, _arguments...);
+ bytes cppResult = callCppAndEncodeResult(_cppFunction, _arguments...);
+ BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
+ "\nSolidity: " + toHex(solidityResult) + "\nC++: " + toHex(cppResult));
+ }
+
+ template <class CppFunction, class... Args>
+ void testSolidityAgainstCppOnRange(std::string _sig, CppFunction const& _cppFunction,
+ u256 const& _rangeStart, u256 const& _rangeEnd)
+ {
+ for (u256 argument = _rangeStart; argument < _rangeEnd; ++argument)
+ {
+ bytes solidityResult = callContractFunction(_sig, argument);
+ bytes cppResult = callCppAndEncodeResult(_cppFunction, argument);
+ BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
+ "\nSolidity: " + toHex(solidityResult) + "\nC++: " + toHex(cppResult) +
+ "\nArgument: " + toHex(encode(argument)));
+ }
+ }
+
+ static bytes encode(bool _value) { return encode(byte(_value)); }
+ static bytes encode(int _value) { return encode(u256(_value)); }
+ static bytes encode(char const* _value) { return encode(std::string(_value)); }
+ static bytes encode(byte _value) { return bytes(31, 0) + bytes{_value}; }
+ static bytes encode(u256 const& _value) { return toBigEndian(_value); }
+ static bytes encode(h256 const& _value) { return _value.asBytes(); }
+ static bytes encode(bytes const& _value, bool _padLeft = true)
+ {
+ bytes padding = bytes((32 - _value.size() % 32) % 32, 0);
+ return _padLeft ? padding + _value : _value + padding;
+ }
+ static bytes encode(std::string const& _value) { return encode(asBytes(_value), false); }
+
+ template <class FirstArg, class... Args>
+ static bytes encodeArgs(FirstArg const& _firstArg, Args const&... _followingArgs)
+ {
+ return encode(_firstArg) + encodeArgs(_followingArgs...);
+ }
+ static bytes encodeArgs()
+ {
+ return bytes();
+ }
+
+private:
+ template <class CppFunction, class... Args>
+ auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
+ -> typename std::enable_if<std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
+ {
+ _cppFunction(_arguments...);
+ return bytes();
+ }
+ template <class CppFunction, class... Args>
+ auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
+ -> typename std::enable_if<!std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
+ {
+ return encode(_cppFunction(_arguments...));
+ }
+
+protected:
+ void sendMessage(bytes const& _data, bool _isCreation, u256 const& _value = 0)
+ {
+ m_state.addBalance(m_sender, _value); // just in case
+ eth::Executive executive(m_state, eth::LastHashes(), 0);
+ eth::Transaction t = _isCreation ? eth::Transaction(_value, m_gasPrice, m_gas, _data, 0, KeyPair::create().sec())
+ : eth::Transaction(_value, m_gasPrice, m_gas, m_contractAddress, _data, 0, KeyPair::create().sec());
+ bytes transactionRLP = t.rlp();
+ try
+ {
+ // this will throw since the transaction is invalid, but it should nevertheless store the transaction
+ executive.initialize(&transactionRLP);
+ executive.execute();
+ }
+ catch (...) {}
+ if (_isCreation)
+ {
+ BOOST_REQUIRE(!executive.create(m_sender, _value, m_gasPrice, m_gas, &_data, m_sender));
+ m_contractAddress = executive.newAddress();
+ BOOST_REQUIRE(m_contractAddress);
+ BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
+ }
+ else
+ {
+ BOOST_REQUIRE(m_state.addressHasCode(m_contractAddress));
+ BOOST_REQUIRE(!executive.call(m_contractAddress, m_contractAddress, m_sender, _value, m_gasPrice, &_data, m_gas, m_sender));
+ }
+ BOOST_REQUIRE(executive.go());
+ m_state.noteSending(m_sender);
+ executive.finalize();
+ m_output = executive.out().toVector();
+ m_logs = executive.logs();
+ }
+
+ bool m_optimize = false;
+ bool m_addStandardSources = false;
+ Address m_sender;
+ Address m_contractAddress;
+ eth::State m_state;
+ u256 const m_gasPrice = 100 * eth::szabo;
+ u256 const m_gas = 100000000;
+ bytes m_output;
+ eth::LogEntries m_logs;
+};
+
+}
+}
+} // end namespaces
+