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| author | Wei-Ning Huang <w@dexon.org> | 2018-10-18 11:38:05 +0800 |
|---|---|---|
| committer | Jimmy Hu <jimmy.hu@dexon.org> | 2019-04-13 20:54:32 +0800 |
| commit | 500ab821044759594eb3db08876b2925b9b3709b (patch) | |
| tree | 72da52de9a7e22509b210a70e92430beb143bcae /libsolidity/analysis/GlobalContext.cpp | |
| parent | 0957231a8ed1990baacd67f48c3d3550b5250733 (diff) | |
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Add opcode RAND support
DEXON has a built-in on chain random oracle that allow one to retrieve a
random variable. Add `rand` solidity variable is introduced to load the
random variable onto the stack.
Diffstat (limited to 'libsolidity/analysis/GlobalContext.cpp')
| -rw-r--r-- | libsolidity/analysis/GlobalContext.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libsolidity/analysis/GlobalContext.cpp b/libsolidity/analysis/GlobalContext.cpp index 2276d783..48489b6b 100644 --- a/libsolidity/analysis/GlobalContext.cpp +++ b/libsolidity/analysis/GlobalContext.cpp @@ -52,6 +52,7 @@ m_magicVariables(vector<shared_ptr<MagicVariableDeclaration const>>{ make_shared<MagicVariableDeclaration>("msg", make_shared<MagicType>(MagicType::Kind::Message)), make_shared<MagicVariableDeclaration>("mulmod", make_shared<FunctionType>(strings{"uint256", "uint256", "uint256"}, strings{"uint256"}, FunctionType::Kind::MulMod, false, StateMutability::Pure)), make_shared<MagicVariableDeclaration>("now", make_shared<IntegerType>(256)), + make_shared<MagicVariableDeclaration>("rand", make_shared<IntegerType>(256)), make_shared<MagicVariableDeclaration>("require", make_shared<FunctionType>(strings{"bool"}, strings{}, FunctionType::Kind::Require, false, StateMutability::Pure)), make_shared<MagicVariableDeclaration>("require", make_shared<FunctionType>(strings{"bool", "string memory"}, strings{}, FunctionType::Kind::Require, false, StateMutability::Pure)), make_shared<MagicVariableDeclaration>("revert", make_shared<FunctionType>(strings(), strings(), FunctionType::Kind::Revert, false, StateMutability::Pure)), |