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Allow `block.blockhash` without being called.

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chriseth
2018-03-13 17:34:21 +01:00
parent 7a066efd7e
commit 834d63de2c
3 changed files with 21 additions and 0 deletions
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test/libsolidity/SolidityEndToEndTest.cpp
+17
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@@ -1788,6 +1788,23 @@ BOOST_AUTO_TEST_CASE(transfer_ether)
ABI_CHECK(callContractFunction("b(address,uint256)", oogRecipient, 10), encodeArgs());
}
BOOST_AUTO_TEST_CASE(uncalled_blockhash)
{
char const* code = R"(
contract C {
function f() public view returns (bytes32)
{
var x = block.blockhash;
return x(block.number - 1);
}
}
)";
compileAndRun(code, 0, "C");
bytes result = callContractFunction("f()");
BOOST_REQUIRE_EQUAL(result.size(), 32);
BOOST_CHECK(result[0] != 0 || result[1] != 0 || result[2] != 0);
}
BOOST_AUTO_TEST_CASE(log0)
{
char const* sourceCode = R"(