string Transact::natspecNotice(Address _to, bytes const& _data)
{
if (ethereum()->codeAt(_to, PendingBlock).size())
{
string userNotice = m_natSpecDB->getUserNotice(ethereum()->postState().codeHash(_to), _data);
if (userNotice.empty())
return "Destination contract unknown.";
else
{
NatspecExpressionEvaluator evaluator;
return evaluator.evalExpression(QString::fromStdString(userNotice)).toStdString();
}
}
else
return "Destination not a contract.";
}
}
]
}
])";
char const* transaction = R"({
"jsonrpc": "2.0",
"method": "eth_call",
"params": [{
"to": "0x8521742d3f456bd237e312d6e30724960f72517a",
"data": "0xc6888fa10000000000000000000000000000000000000000000000000000000000000004"
}],
"id": 6
})";
NatspecExpressionEvaluator e(abi, transaction , "multiply");
// when
string result = e.evalExpression("Will multiply `a` by 7 and return `a * 7`.").toStdString();
// then
BOOST_CHECK_EQUAL(result, "Will multiply 4 by 7 and return 28.");
}
BOOST_AUTO_TEST_CASE(natspec_js_eval_error)
{
dev::test::TestOutputHelper::initTest();
// given
NatspecExpressionEvaluator e;
// when
string result = e.evalExpression("`test(`").toStdString();
// then
BOOST_CHECK_EQUAL(result, "Natspec evaluation failed, wrong input params");
