Split ABI out of InterfaceHandler

1 files changed, 56 insertions, 0 deletions

diff --git a/libsolidity/interface/ABI.h b/libsolidity/interface/ABI.h
new file mode 100644
index 00000000..95b162a9
--- /dev/null
+++ b/libsolidity/interface/ABI.h
@@ -0,0 +1,56 @@
+/*
+	This file is part of solidity.
+
+	solidity is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	solidity is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * Utilities to handle the Contract ABI (https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI)
+ */
+
+#pragma once
+
+#include <string>
+#include <memory>
+#include <json/json.h>
+
+namespace dev
+{
+namespace solidity
+{
+
+// Forward declarations
+class ContractDefinition;
+class Type;
+using TypePointer = std::shared_ptr<Type const>;
+
+class ABI
+{
+public:
+	/// Get the ABI Interface of the contract
+	/// @param _contractDef The contract definition
+	/// @return             A JSONrepresentation of the contract's ABI Interface
+	static Json::Value generate(ContractDefinition const& _contractDef);
+private:
+	/// @returns a json value suitable for a list of types in function input or output
+	/// parameters or other places. If @a _forLibrary is true, complex types are referenced
+	/// by name, otherwise they are anonymously expanded.
+	static Json::Value formatTypeList(
+		std::vector<std::string> const& _names,
+		std::vector<TypePointer> const& _types,
+		bool _forLibrary
+	);
+};
+
+}
+}