diff options
-rw-r--r-- | libevmasm/CommonSubexpressionEliminator.cpp | 4 | ||||
-rw-r--r-- | libevmasm/EVMSchedule.h | 4 | ||||
-rw-r--r-- | libevmasm/GasMeter.cpp | 6 | ||||
-rw-r--r-- | libevmasm/GasMeter.h | 4 | ||||
-rw-r--r-- | libevmasm/Instruction.cpp | 4 | ||||
-rw-r--r-- | libevmasm/Instruction.h | 2 | ||||
-rw-r--r-- | libevmasm/KnownState.cpp | 20 | ||||
-rw-r--r-- | libevmasm/KnownState.h | 8 | ||||
-rw-r--r-- | libsolidity/codegen/ArrayUtils.cpp | 4 | ||||
-rw-r--r-- | libsolidity/codegen/CompilerUtils.cpp | 2 | ||||
-rw-r--r-- | libsolidity/codegen/CompilerUtils.h | 2 | ||||
-rw-r--r-- | libsolidity/codegen/ExpressionCompiler.cpp | 8 | ||||
-rw-r--r-- | test/libsolidity/SolidityOptimizer.cpp | 30 |
13 files changed, 49 insertions, 49 deletions
diff --git a/libevmasm/CommonSubexpressionEliminator.cpp b/libevmasm/CommonSubexpressionEliminator.cpp index fd4fffa6..70324e7f 100644 --- a/libevmasm/CommonSubexpressionEliminator.cpp +++ b/libevmasm/CommonSubexpressionEliminator.cpp @@ -234,7 +234,7 @@ void CSECodeGenerator::addDependencies(Id _c) if (expr.item && expr.item->type() == Operation && ( expr.item->instruction() == Instruction::SLOAD || expr.item->instruction() == Instruction::MLOAD || - expr.item->instruction() == Instruction::SHA3 + expr.item->instruction() == Instruction::KECCAK256 )) { // this loads an unknown value from storage or memory and thus, in addition to its @@ -260,7 +260,7 @@ void CSECodeGenerator::addDependencies(Id _c) case Instruction::MLOAD: knownToBeIndependent = m_expressionClasses.knownToBeDifferentBy32(slot, slotToLoadFrom); break; - case Instruction::SHA3: + case Instruction::KECCAK256: { Id length = expr.arguments.at(1); AssemblyItem offsetInstr(Instruction::SUB, expr.item->location()); diff --git a/libevmasm/EVMSchedule.h b/libevmasm/EVMSchedule.h index 65d307ae..1695a59c 100644 --- a/libevmasm/EVMSchedule.h +++ b/libevmasm/EVMSchedule.h @@ -32,8 +32,8 @@ struct EVMSchedule unsigned stackLimit = 1024; unsigned expGas = 10; unsigned expByteGas = 10; - unsigned sha3Gas = 30; - unsigned sha3WordGas = 6; + unsigned keccak256Gas = 30; + unsigned keccak256WordGas = 6; unsigned sloadGas = 200; unsigned sstoreSetGas = 20000; unsigned sstoreResetGas = 5000; diff --git a/libevmasm/GasMeter.cpp b/libevmasm/GasMeter.cpp index f5fd00ea..260b7439 100644 --- a/libevmasm/GasMeter.cpp +++ b/libevmasm/GasMeter.cpp @@ -96,9 +96,9 @@ GasMeter::GasConsumption GasMeter::estimateMax(AssemblyItem const& _item, bool _ classes.find(AssemblyItem(1)) })); break; - case Instruction::SHA3: - gas = GasCosts::sha3Gas; - gas += wordGas(GasCosts::sha3WordGas, m_state->relativeStackElement(-1)); + case Instruction::KECCAK256: + gas = GasCosts::keccak256Gas; + gas += wordGas(GasCosts::keccak256WordGas, m_state->relativeStackElement(-1)); gas += memoryGas(0, -1); break; case Instruction::CALLDATACOPY: diff --git a/libevmasm/GasMeter.h b/libevmasm/GasMeter.h index 3169ff2a..2c3ecf5a 100644 --- a/libevmasm/GasMeter.h +++ b/libevmasm/GasMeter.h @@ -48,8 +48,8 @@ namespace GasCosts static unsigned const balanceGas = 400; static unsigned const expGas = 10; static unsigned const expByteGas = 50; - static unsigned const sha3Gas = 30; - static unsigned const sha3WordGas = 6; + static unsigned const keccak256Gas = 30; + static unsigned const keccak256WordGas = 6; static unsigned const sloadGas = 200; static unsigned const sstoreSetGas = 20000; static unsigned const sstoreResetGas = 5000; diff --git a/libevmasm/Instruction.cpp b/libevmasm/Instruction.cpp index 5e92c6e6..25eab60b 100644 --- a/libevmasm/Instruction.cpp +++ b/libevmasm/Instruction.cpp @@ -53,7 +53,7 @@ const std::map<std::string, Instruction> dev::solidity::c_instructions = { "ADDMOD", Instruction::ADDMOD }, { "MULMOD", Instruction::MULMOD }, { "SIGNEXTEND", Instruction::SIGNEXTEND }, - { "SHA3", Instruction::SHA3 }, + { "KECCAK256", Instruction::KECCAK256 }, { "ADDRESS", Instruction::ADDRESS }, { "BALANCE", Instruction::BALANCE }, { "ORIGIN", Instruction::ORIGIN }, @@ -189,7 +189,7 @@ static const std::map<Instruction, InstructionInfo> c_instructionInfo = { Instruction::ADDMOD, { "ADDMOD", 0, 3, 1, false, Tier::Mid } }, { Instruction::MULMOD, { "MULMOD", 0, 3, 1, false, Tier::Mid } }, { Instruction::SIGNEXTEND, { "SIGNEXTEND", 0, 2, 1, false, Tier::Low } }, - { Instruction::SHA3, { "SHA3", 0, 2, 1, false, Tier::Special } }, + { Instruction::KECCAK256, { "KECCAK256", 0, 2, 1, false, Tier::Special } }, { Instruction::ADDRESS, { "ADDRESS", 0, 0, 1, false, Tier::Base } }, { Instruction::BALANCE, { "BALANCE", 0, 1, 1, false, Tier::Balance } }, { Instruction::ORIGIN, { "ORIGIN", 0, 0, 1, false, Tier::Base } }, diff --git a/libevmasm/Instruction.h b/libevmasm/Instruction.h index 192fe090..5fec7988 100644 --- a/libevmasm/Instruction.h +++ b/libevmasm/Instruction.h @@ -62,7 +62,7 @@ enum class Instruction: uint8_t NOT, ///< bitwise NOT opertation BYTE, ///< retrieve single byte from word - SHA3 = 0x20, ///< compute SHA3-256 hash + KECCAK256 = 0x20, ///< compute KECCAK-256 hash ADDRESS = 0x30, ///< get address of currently executing account BALANCE, ///< get balance of the given account diff --git a/libevmasm/KnownState.cpp b/libevmasm/KnownState.cpp index 6e3130dd..e2f10f22 100644 --- a/libevmasm/KnownState.cpp +++ b/libevmasm/KnownState.cpp @@ -136,10 +136,10 @@ KnownState::StoreOperation KnownState::feedItem(AssemblyItem const& _item, bool m_stackHeight + _item.deposit(), loadFromMemory(arguments[0], _item.location()) ); - else if (_item.instruction() == Instruction::SHA3) + else if (_item.instruction() == Instruction::KECCAK256) setStackElement( m_stackHeight + _item.deposit(), - applySha3(arguments.at(0), arguments.at(1), _item.location()) + applyKeccak256(arguments.at(0), arguments.at(1), _item.location()) ); else { @@ -346,18 +346,18 @@ ExpressionClasses::Id KnownState::loadFromMemory(Id _slot, SourceLocation const& return m_memoryContent[_slot] = m_expressionClasses->find(item, {_slot}, true, m_sequenceNumber); } -KnownState::Id KnownState::applySha3( +KnownState::Id KnownState::applyKeccak256( Id _start, Id _length, SourceLocation const& _location ) { - AssemblyItem sha3Item(Instruction::SHA3, _location); + AssemblyItem keccak256Item(Instruction::KECCAK256, _location); // Special logic if length is a short constant, otherwise we cannot tell. u256 const* l = m_expressionClasses->knownConstant(_length); // unknown or too large length if (!l || *l > 128) - return m_expressionClasses->find(sha3Item, {_start, _length}, true, m_sequenceNumber); + return m_expressionClasses->find(keccak256Item, {_start, _length}, true, m_sequenceNumber); vector<Id> arguments; for (u256 i = 0; i < *l; i += 32) @@ -368,10 +368,10 @@ KnownState::Id KnownState::applySha3( ); arguments.push_back(loadFromMemory(slot, _location)); } - if (m_knownSha3Hashes.count(arguments)) - return m_knownSha3Hashes.at(arguments); + if (m_knownKeccak256Hashes.count(arguments)) + return m_knownKeccak256Hashes.at(arguments); Id v; - // If all arguments are known constants, compute the sha3 here + // If all arguments are known constants, compute the Keccak-256 here if (all_of(arguments.begin(), arguments.end(), [this](Id _a) { return !!m_expressionClasses->knownConstant(_a); })) { bytes data; @@ -381,8 +381,8 @@ KnownState::Id KnownState::applySha3( v = m_expressionClasses->find(AssemblyItem(u256(dev::keccak256(data)), _location)); } else - v = m_expressionClasses->find(sha3Item, {_start, _length}, true, m_sequenceNumber); - return m_knownSha3Hashes[arguments] = v; + v = m_expressionClasses->find(keccak256Item, {_start, _length}, true, m_sequenceNumber); + return m_knownKeccak256Hashes[arguments] = v; } set<u256> KnownState::tagsInExpression(KnownState::Id _expressionId) diff --git a/libevmasm/KnownState.h b/libevmasm/KnownState.h index fd6a26c1..8568b163 100644 --- a/libevmasm/KnownState.h +++ b/libevmasm/KnownState.h @@ -150,8 +150,8 @@ private: StoreOperation storeInMemory(Id _slot, Id _value, SourceLocation const& _location); /// Retrieves the current value at the given slot in memory or creates a new special mload class. Id loadFromMemory(Id _slot, SourceLocation const& _location); - /// Finds or creates a new expression that applies the sha3 hash function to the contents in memory. - Id applySha3(Id _start, Id _length, SourceLocation const& _location); + /// Finds or creates a new expression that applies the Keccak-256 hash function to the contents in memory. + Id applyKeccak256(Id _start, Id _length, SourceLocation const& _location); /// @returns a new or already used Id representing the given set of tags. Id tagUnion(std::set<u256> _tags); @@ -167,8 +167,8 @@ private: /// Knowledge about memory content. Keys are memory addresses, note that the values overlap /// and are not contained here if they are not completely known. std::map<Id, Id> m_memoryContent; - /// Keeps record of all sha3 hashes that are computed. - std::map<std::vector<Id>, Id> m_knownSha3Hashes; + /// Keeps record of all Keccak-256 hashes that are computed. + std::map<std::vector<Id>, Id> m_knownKeccak256Hashes; /// Structure containing the classes of equivalent expressions. std::shared_ptr<ExpressionClasses> m_expressionClasses; /// Container for unions of tags stored on the stack. diff --git a/libsolidity/codegen/ArrayUtils.cpp b/libsolidity/codegen/ArrayUtils.cpp index bdd29abd..6a641b02 100644 --- a/libsolidity/codegen/ArrayUtils.cpp +++ b/libsolidity/codegen/ArrayUtils.cpp @@ -449,7 +449,7 @@ void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWord m_context << Instruction::DUP3 << Instruction::ADD << Instruction::SWAP2; if (_sourceType.isDynamicallySized()) { - // actual array data is stored at SHA3(storage_offset) + // actual array data is stored at KECCAK256(storage_offset) m_context << Instruction::SWAP1; utils.computeHashStatic(); m_context << Instruction::SWAP1; @@ -731,7 +731,7 @@ void ArrayUtils::resizeDynamicArray(ArrayType const& _typeIn) const _context << Instruction::POP; } - // Change of length for a regular array (i.e. length at location, data at sha3(location)). + // Change of length for a regular array (i.e. length at location, data at KECCAK256(location)). // stack: ref new_length old_length // store new length _context << Instruction::DUP2; diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp index 4ae9a09a..3baaaddf 100644 --- a/libsolidity/codegen/CompilerUtils.cpp +++ b/libsolidity/codegen/CompilerUtils.cpp @@ -934,7 +934,7 @@ unsigned CompilerUtils::sizeOnStack(vector<shared_ptr<Type const>> const& _varia void CompilerUtils::computeHashStatic() { storeInMemory(0); - m_context << u256(32) << u256(0) << Instruction::SHA3; + m_context << u256(32) << u256(0) << Instruction::KECCAK256; } void CompilerUtils::storeStringData(bytesConstRef _data) diff --git a/libsolidity/codegen/CompilerUtils.h b/libsolidity/codegen/CompilerUtils.h index 4140ce8b..a88951bc 100644 --- a/libsolidity/codegen/CompilerUtils.h +++ b/libsolidity/codegen/CompilerUtils.h @@ -166,7 +166,7 @@ public: static unsigned sizeOnStack(std::vector<T> const& _variables); static unsigned sizeOnStack(std::vector<std::shared_ptr<Type const>> const& _variableTypes); - /// Appends code that computes tha SHA3 hash of the topmost stack element of 32 byte type. + /// Appends code that computes tha Keccak-256 hash of the topmost stack element of 32 byte type. void computeHashStatic(); /// Bytes we need to the start of call data. diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp index 0aa82ea8..25154bc0 100644 --- a/libsolidity/codegen/ExpressionCompiler.cpp +++ b/libsolidity/codegen/ExpressionCompiler.cpp @@ -110,7 +110,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const& // move key to memory. utils().copyToStackTop(paramTypes.size() - i, 1); utils().storeInMemory(0); - m_context << u256(64) << u256(0) << Instruction::SHA3; + m_context << u256(64) << u256(0) << Instruction::KECCAK256; // push offset m_context << u256(0); returnType = mappingType->valueType(); @@ -674,7 +674,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) utils().fetchFreeMemoryPointer(); utils().encodeToMemory(argumentTypes, TypePointers(), function.padArguments(), true); utils().toSizeAfterFreeMemoryPointer(); - m_context << Instruction::SHA3; + m_context << Instruction::KECCAK256; break; } case FunctionType::Kind::Log0: @@ -721,7 +721,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) true ); utils().toSizeAfterFreeMemoryPointer(); - m_context << Instruction::SHA3; + m_context << Instruction::KECCAK256; } else utils().convertType( @@ -1214,7 +1214,7 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess) utils().storeInMemoryDynamic(IntegerType(256)); m_context << u256(0); } - m_context << Instruction::SHA3; + m_context << Instruction::KECCAK256; m_context << u256(0); setLValueToStorageItem(_indexAccess); } diff --git a/test/libsolidity/SolidityOptimizer.cpp b/test/libsolidity/SolidityOptimizer.cpp index d705e3c8..bbd09ce5 100644 --- a/test/libsolidity/SolidityOptimizer.cpp +++ b/test/libsolidity/SolidityOptimizer.cpp @@ -349,7 +349,7 @@ BOOST_AUTO_TEST_CASE(retain_information_in_branches) bytes optimizedBytecode = compileAndRunWithOptimizer(sourceCode, 0, "c", true); size_t numSHA3s = 0; eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) { - if (_instr == Instruction::SHA3) + if (_instr == Instruction::KECCAK256) numSHA3s++; }); // TEST DISABLED - OPTIMIZER IS NOT EFFECTIVE ON THIS ONE ANYMORE @@ -392,7 +392,7 @@ BOOST_AUTO_TEST_CASE(store_tags_as_unions) bytes optimizedBytecode = compileAndRunWithOptimizer(sourceCode, 0, "test", true); size_t numSHA3s = 0; eachInstruction(optimizedBytecode, [&](Instruction _instr, u256 const&) { - if (_instr == Instruction::SHA3) + if (_instr == Instruction::KECCAK256) numSHA3s++; }); // TEST DISABLED UNTIL 93693404 IS IMPLEMENTED @@ -826,7 +826,7 @@ BOOST_AUTO_TEST_CASE(cse_empty_sha3) AssemblyItems input{ u256(0), Instruction::DUP2, - Instruction::SHA3 + Instruction::KECCAK256 }; checkCSE(input, { u256(dev::keccak256(bytesConstRef())) @@ -841,7 +841,7 @@ BOOST_AUTO_TEST_CASE(cse_partial_sha3) Instruction::MSTORE, u256(2), u256(0), - Instruction::SHA3 + Instruction::KECCAK256 }; checkCSE(input, { u256(0xabcd) << (256 - 16), @@ -860,10 +860,10 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_location) Instruction::MSTORE, u256(64), Instruction::DUP2, - Instruction::SHA3, + Instruction::KECCAK256, u256(64), Instruction::DUP3, - Instruction::SHA3 + Instruction::KECCAK256 }; checkCSE(input, { Instruction::DUP2, @@ -871,7 +871,7 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_location) Instruction::MSTORE, u256(64), Instruction::DUP2, - Instruction::SHA3, + Instruction::KECCAK256, Instruction::DUP1 }); } @@ -885,13 +885,13 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content) Instruction::MSTORE, // m[128] = DUP1 u256(0x20), u256(0x80), - Instruction::SHA3, // sha3(m[128..(128+32)]) + Instruction::KECCAK256, // keccak256(m[128..(128+32)]) Instruction::DUP2, u256(12), Instruction::MSTORE, // m[12] = DUP1 u256(0x20), u256(12), - Instruction::SHA3 // sha3(m[12..(12+32)]) + Instruction::KECCAK256 // keccak256(m[12..(12+32)]) }; checkCSE(input, { u256(0x80), @@ -900,7 +900,7 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content) Instruction::MSTORE, u256(0x20), Instruction::SWAP1, - Instruction::SHA3, + Instruction::KECCAK256, u256(12), Instruction::DUP3, Instruction::SWAP1, @@ -921,7 +921,7 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_dynamic_store_in_between) u256(0x20), Instruction::DUP1, Instruction::DUP3, - Instruction::SHA3, // sha3(m[128..(128+32)]) + Instruction::KECCAK256, // keccak256(m[128..(128+32)]) u256(12), Instruction::DUP5, Instruction::DUP2, @@ -932,7 +932,7 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_dynamic_store_in_between) Instruction::SWAP2, Instruction::SWAP1, Instruction::SWAP2, - Instruction::SHA3 // sha3(m[12..(12+32)]) + Instruction::KECCAK256 // keccak256(m[12..(12+32)]) }; checkCSE(input, input); } @@ -949,7 +949,7 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_noninterfering_store_in_between u256(0x20), Instruction::DUP1, Instruction::DUP3, - Instruction::SHA3, // sha3(m[128..(128+32)]) + Instruction::KECCAK256, // keccak256(m[128..(128+32)]) u256(12), Instruction::DUP5, Instruction::DUP2, @@ -962,12 +962,12 @@ BOOST_AUTO_TEST_CASE(cse_sha3_twice_same_content_noninterfering_store_in_between Instruction::MSTORE, // does not destoy memory knowledge u256(0x20), u256(12), - Instruction::SHA3 // sha3(m[12..(12+32)]) + Instruction::KECCAK256 // keccak256(m[12..(12+32)]) }; // if this changes too often, only count the number of SHA3 and MSTORE instructions AssemblyItems output = CSE(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_CHECK_EQUAL(1, count(output.begin(), output.end(), AssemblyItem(Instruction::KECCAK256))); } BOOST_AUTO_TEST_CASE(cse_with_initially_known_stack) |