mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
Padding for ABI types.
This commit is contained in:
Christian
parent
8cc70a12c6
commit
22ddeea102
@ -331,10 +331,23 @@ BOOST_AUTO_TEST_CASE(packing_unpacking_types)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("run(bool,uint32,uint64)", fromHex("01""0f0f0f0f""f0f0f0f0f0f0f0f0"))
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BOOST_CHECK(callContractFunction("run(bool,uint32,uint64)", true, fromHex("0f0f0f0f"), fromHex("f0f0f0f0f0f0f0f0"))
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== fromHex("00000000000000000000000000000000000000""01""f0f0f0f0""0f0f0f0f0f0f0f0f"));
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}
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BOOST_AUTO_TEST_CASE(packing_signed_types)
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{
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char const* sourceCode = "contract test {\n"
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" function run() returns(int8 y) {\n"
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" uint8 x = 0xfa;\n"
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" return int8(x);\n"
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("run()")
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== fromHex("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa"));
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}
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BOOST_AUTO_TEST_CASE(multiple_return_values)
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{
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char const* sourceCode = "contract test {\n"
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@ -343,8 +356,7 @@ BOOST_AUTO_TEST_CASE(multiple_return_values)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("run(bool,uint256)", bytes(1, 1) + toBigEndian(u256(0xcd)))
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== toBigEndian(u256(0xcd)) + bytes(1, 1) + toBigEndian(u256(0)));
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BOOST_CHECK(callContractFunction("run(bool,uint256)", true, 0xcd) == encodeArgs(0xcd, true, 0));
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}
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BOOST_AUTO_TEST_CASE(short_circuiting)
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@ -450,20 +462,8 @@ BOOST_AUTO_TEST_CASE(strings)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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bytes expectation(32, 0);
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expectation[0] = byte('a');
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expectation[1] = byte('b');
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expectation[2] = byte('c');
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expectation[3] = byte(0);
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expectation[4] = byte(0xff);
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expectation[5] = byte('_');
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expectation[6] = byte('_');
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BOOST_CHECK(callContractFunction("fixed()", bytes()) == expectation);
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expectation = bytes(17, 0);
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expectation[0] = 0;
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expectation[1] = 2;
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expectation[16] = 1;
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BOOST_CHECK(callContractFunction("pipeThrough(string2,bool)", bytes({0x00, 0x02, 0x01})) == expectation);
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BOOST_CHECK(callContractFunction("fixed()") == encodeArgs(string("abc\0\xff__", 7)));
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BOOST_CHECK(callContractFunction("pipeThrough(string2,bool)", string("\0\x02", 2), true) == encodeArgs(string("\0\x2", 2), true));
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}
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BOOST_AUTO_TEST_CASE(empty_string_on_stack)
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@ -477,7 +477,7 @@ BOOST_AUTO_TEST_CASE(empty_string_on_stack)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("run(string0,uint8)", bytes(1, 0x02)) == bytes({0x00, 0x02, 0x61/*'a'*/, 0x62/*'b'*/, 0x63/*'c'*/, 0x00}));
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BOOST_CHECK(callContractFunction("run(string0,uint8)", string(), byte(0x02)) == encodeArgs(0x2, string(""), string("abc\0")));
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}
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BOOST_AUTO_TEST_CASE(state_smoke_test)
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@ -495,14 +495,14 @@ BOOST_AUTO_TEST_CASE(state_smoke_test)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == toBigEndian(u256(0)));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == toBigEndian(u256(0)));
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BOOST_CHECK(callContractFunction("set(uint8,uint256)", bytes(1, 0x00) + toBigEndian(u256(0x1234))) == bytes());
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BOOST_CHECK(callContractFunction("set(uint8,uint256)", bytes(1, 0x01) + toBigEndian(u256(0x8765))) == bytes());
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == toBigEndian(u256(0x1234)));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == toBigEndian(u256(0x8765)));
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BOOST_CHECK(callContractFunction("set(uint8,uint256)", bytes(1, 0x00) + toBigEndian(u256(0x3))) == bytes());
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == toBigEndian(u256(0x3)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0));
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BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x1234) == encodeArgs());
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BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x01), 0x8765) == encodeArgs());
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BOOST_CHECK(callContractFunction("get(uint8)", byte( 0x00)) == encodeArgs(0x1234));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(0x8765));
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BOOST_CHECK(callContractFunction("set(uint8,uint256)", byte(0x00), 0x3) == encodeArgs());
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(0x3));
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}
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BOOST_AUTO_TEST_CASE(compound_assign)
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@ -553,22 +553,21 @@ BOOST_AUTO_TEST_CASE(simple_mapping)
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"}";
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compileAndRun(sourceCode);
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// msvc seems to have problems with initializer-list, when there is only 1 param in the list
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0x00));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0x00));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
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callContractFunction("set(uint8,uint8)", bytes({0x01, 0xa1}));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0x00));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0xa1));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
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callContractFunction("set(uint8,uint8)", bytes({0x00, 0xef}));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0xef));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0xa1));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
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callContractFunction("set(uint8,uint8)", bytes({0x01, 0x05}));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x00)) == bytes(1, 0xef));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0x01)) == bytes(1, 0x05));
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BOOST_CHECK(callContractFunction("get(uint8)", bytes(1, 0xa7)) == bytes(1, 0x00));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0)) == encodeArgs(byte(0x00)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x00)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
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callContractFunction("set(uint8,uint8)", byte(0x01), byte(0xa1));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0x00)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
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callContractFunction("set(uint8,uint8)", byte(0x00), byte(0xef));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0xa1)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
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callContractFunction("set(uint8,uint8)", byte(0x01), byte(0x05));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x00)) == encodeArgs(byte(0xef)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0x01)) == encodeArgs(byte(0x05)));
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BOOST_CHECK(callContractFunction("get(uint8)", byte(0xa7)) == encodeArgs(byte(0x00)));
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}
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BOOST_AUTO_TEST_CASE(mapping_state)
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@ -736,9 +735,9 @@ BOOST_AUTO_TEST_CASE(structs)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x00));
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BOOST_CHECK(callContractFunction("check()") == encodeArgs(false));
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BOOST_CHECK(callContractFunction("set()") == bytes());
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BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x01));
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BOOST_CHECK(callContractFunction("check()") == encodeArgs(true));
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}
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BOOST_AUTO_TEST_CASE(struct_reference)
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@ -764,9 +763,9 @@ BOOST_AUTO_TEST_CASE(struct_reference)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x00));
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BOOST_CHECK(callContractFunction("check()") == encodeArgs(false));
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BOOST_CHECK(callContractFunction("set()") == bytes());
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BOOST_CHECK(callContractFunction("check()") == bytes(1, 0x01));
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BOOST_CHECK(callContractFunction("check()") == encodeArgs(true));
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}
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BOOST_AUTO_TEST_CASE(constructor)
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@ -799,7 +798,7 @@ BOOST_AUTO_TEST_CASE(balance)
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" }\n"
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"}\n";
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compileAndRun(sourceCode, 23);
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BOOST_CHECK(callContractFunction("getBalance()") == toBigEndian(u256(23)));
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BOOST_CHECK(callContractFunction("getBalance()") == encodeArgs(23));
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}
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BOOST_AUTO_TEST_CASE(blockchain)
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@ -812,7 +811,7 @@ BOOST_AUTO_TEST_CASE(blockchain)
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" }\n"
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"}\n";
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compileAndRun(sourceCode, 27);
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BOOST_CHECK(callContractFunction("someInfo()", bytes{0}, u256(28)) == toBigEndian(u256(28)) + bytes(20, 0) + toBigEndian(u256(1)));
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BOOST_CHECK(callContractFunctionWithValue("someInfo()", 28) == encodeArgs(28, 0, 1));
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}
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BOOST_AUTO_TEST_CASE(function_types)
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@ -831,8 +830,8 @@ BOOST_AUTO_TEST_CASE(function_types)
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" }\n"
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"}\n";
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compileAndRun(sourceCode);
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BOOST_CHECK(callContractFunction("a(bool)", bytes{0}) == toBigEndian(u256(11)));
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BOOST_CHECK(callContractFunction("a(bool)", bytes{1}) == toBigEndian(u256(12)));
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BOOST_CHECK(callContractFunction("a(bool)", false) == encodeArgs(11));
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BOOST_CHECK(callContractFunction("a(bool)", true) == encodeArgs(12));
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}
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BOOST_AUTO_TEST_CASE(send_ether)
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@ -846,7 +845,7 @@ BOOST_AUTO_TEST_CASE(send_ether)
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u256 amount(130);
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compileAndRun(sourceCode, amount + 1);
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u160 address(23);
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BOOST_CHECK(callContractFunction("a(address,uint256)", address, amount) == toBigEndian(u256(1)));
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BOOST_CHECK(callContractFunction("a(address,uint256)", address, amount) == encodeArgs(1));
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BOOST_CHECK_EQUAL(m_state.balance(address), amount);
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}
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@ -1031,7 +1030,7 @@ BOOST_AUTO_TEST_CASE(ecrecover)
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u256 r("0x73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75f");
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u256 s("0xeeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549");
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u160 addr("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b");
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BOOST_CHECK(callContractFunction("a(hash256,uint8,hash256,hash256)", h, v, r, s) == toBigEndian(addr));
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BOOST_CHECK(callContractFunction("a(hash256,uint8,hash256,hash256)", h, v, r, s) == encodeArgs(addr));
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}
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BOOST_AUTO_TEST_CASE(inter_contract_calls)
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@ -1058,10 +1057,10 @@ BOOST_AUTO_TEST_CASE(inter_contract_calls)
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u160 const helperAddress = m_contractAddress;
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compileAndRun(sourceCode, 0, "Main");
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BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == encodeArgs(helperAddress));
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u256 a(3456789);
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u256 b("0x282837623374623234aa74");
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == toBigEndian(a * b));
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b));
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}
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BOOST_AUTO_TEST_CASE(inter_contract_calls_with_complex_parameters)
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@ -1088,11 +1087,11 @@ BOOST_AUTO_TEST_CASE(inter_contract_calls_with_complex_parameters)
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u160 const helperAddress = m_contractAddress;
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compileAndRun(sourceCode, 0, "Main");
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BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == encodeArgs(helperAddress));
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u256 a(3456789);
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u256 b("0x282837623374623234aa74");
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, true, b) == toBigEndian(a * 3));
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, false, b) == toBigEndian(b * 3));
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, true, b) == encodeArgs(a * 3));
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,bool,uint256)", a, false, b) == encodeArgs(b * 3));
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}
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BOOST_AUTO_TEST_CASE(inter_contract_calls_accessing_this)
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@ -1119,8 +1118,8 @@ BOOST_AUTO_TEST_CASE(inter_contract_calls_accessing_this)
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u160 const helperAddress = m_contractAddress;
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compileAndRun(sourceCode, 0, "Main");
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BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
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BOOST_REQUIRE(callContractFunction("callHelper()") == toBigEndian(helperAddress));
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == encodeArgs(helperAddress));
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BOOST_REQUIRE(callContractFunction("callHelper()") == encodeArgs(helperAddress));
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}
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BOOST_AUTO_TEST_CASE(calls_to_this)
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@ -1150,10 +1149,10 @@ BOOST_AUTO_TEST_CASE(calls_to_this)
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u160 const helperAddress = m_contractAddress;
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compileAndRun(sourceCode, 0, "Main");
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BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == encodeArgs(helperAddress));
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u256 a(3456789);
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u256 b("0x282837623374623234aa74");
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == toBigEndian(a * b + 10));
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 10));
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}
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BOOST_AUTO_TEST_CASE(inter_contract_calls_with_local_vars)
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@ -1185,10 +1184,10 @@ BOOST_AUTO_TEST_CASE(inter_contract_calls_with_local_vars)
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u160 const helperAddress = m_contractAddress;
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compileAndRun(sourceCode, 0, "Main");
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BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == encodeArgs(helperAddress));
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u256 a(3456789);
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u256 b("0x282837623374623234aa74");
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == toBigEndian(a * b + 9));
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BOOST_REQUIRE(callContractFunction("callHelper(uint256,uint256)", a, b) == encodeArgs(a * b + 9));
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}
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BOOST_AUTO_TEST_CASE(strings_in_calls)
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@ -1215,8 +1214,8 @@ BOOST_AUTO_TEST_CASE(strings_in_calls)
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u160 const helperAddress = m_contractAddress;
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compileAndRun(sourceCode, 0, "Main");
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BOOST_REQUIRE(callContractFunction("setHelper(address)", helperAddress) == bytes());
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == toBigEndian(helperAddress));
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BOOST_CHECK(callContractFunction("callHelper(string2,bool)", bytes({0, 'a', 1})) == bytes({0, 'a', 0, 0, 0}));
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BOOST_REQUIRE(callContractFunction("getHelper()", helperAddress) == encodeArgs(helperAddress));
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BOOST_CHECK(callContractFunction("callHelper(string2,bool)", string("\0a", 2), true) == encodeArgs(string("\0a\0\0\0", 5)));
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}
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BOOST_AUTO_TEST_CASE(constructor_arguments)
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@ -1241,8 +1240,8 @@ BOOST_AUTO_TEST_CASE(constructor_arguments)
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function getName() returns (string3 ret) { return h.getName(); }
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})";
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compileAndRun(sourceCode, 0, "Main");
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BOOST_REQUIRE(callContractFunction("getFlag()") == bytes({byte(0x01)}));
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BOOST_REQUIRE(callContractFunction("getName()") == bytes({'a', 'b', 'c'}));
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BOOST_REQUIRE(callContractFunction("getFlag()") == encodeArgs(true));
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BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
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}
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BOOST_AUTO_TEST_CASE(functions_called_by_constructor)
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@ -1259,7 +1258,7 @@ BOOST_AUTO_TEST_CASE(functions_called_by_constructor)
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function setName(string3 _name) { name = _name; }
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})";
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compileAndRun(sourceCode);
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BOOST_REQUIRE(callContractFunction("getName()") == bytes({'a', 'b', 'c'}));
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BOOST_REQUIRE(callContractFunction("getName()") == encodeArgs("abc"));
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}
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BOOST_AUTO_TEST_SUITE_END()
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@ -32,9 +32,6 @@
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namespace dev
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{
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/// Provides additional overloads for toBigEndian to encode arguments and return values.
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inline bytes toBigEndian(byte _value) { return bytes({_value}); }
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inline bytes toBigEndian(bool _value) { return bytes({byte(_value)}); }
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namespace solidity
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{
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@ -56,18 +53,20 @@ public:
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return m_output;
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}
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bytes const& callContractFunction(std::string _sig, bytes const& _data = bytes(),
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u256 const& _value = 0)
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template <class... Args>
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bytes const& callContractFunctionWithValue(std::string _sig, u256 const& _value,
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Args const&... _arguments)
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{
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FixedHash<4> hash(dev::sha3(_sig));
|
||||
sendMessage(hash.asBytes() + _data, false, _value);
|
||||
sendMessage(hash.asBytes() + encodeArgs(_arguments...), false, _value);
|
||||
return m_output;
|
||||
}
|
||||
|
||||
template <class... Args>
|
||||
bytes const& callContractFunction(std::string _sig, Args const&... _arguments)
|
||||
{
|
||||
return callContractFunction(_sig, argsToBigEndian(_arguments...));
|
||||
return callContractFunctionWithValue(_sig, 0, _arguments...);
|
||||
}
|
||||
|
||||
template <class CppFunction, class... Args>
|
||||
@ -89,19 +88,33 @@ public:
|
||||
bytes cppResult = callCppAndEncodeResult(_cppFunction, argument);
|
||||
BOOST_CHECK_MESSAGE(solidityResult == cppResult, "Computed values do not match."
|
||||
"\nSolidity: " + toHex(solidityResult) + "\nC++: " + toHex(cppResult) +
|
||||
"\nArgument: " + toHex(toBigEndian(argument)));
|
||||
"\nArgument: " + toHex(encode(argument)));
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
template <class FirstArg, class... Args>
|
||||
bytes argsToBigEndian(FirstArg const& _firstArg, Args const&... _followingArgs) const
|
||||
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(bytes const& _value, bool _padLeft = true)
|
||||
{
|
||||
return toBigEndian(_firstArg) + argsToBigEndian(_followingArgs...);
|
||||
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();
|
||||
}
|
||||
|
||||
bytes argsToBigEndian() const { 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
|
||||
@ -113,7 +126,7 @@ private:
|
||||
auto callCppAndEncodeResult(CppFunction const& _cppFunction, Args const&... _arguments)
|
||||
-> typename std::enable_if<!std::is_void<decltype(_cppFunction(_arguments...))>::value, bytes>::type
|
||||
{
|
||||
return toBigEndian(_cppFunction(_arguments...));
|
||||
return encode(_cppFunction(_arguments...));
|
||||
}
|
||||
|
||||
void sendMessage(bytes const& _data, bool _isCreation, u256 const& _value = 0)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user