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			121 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|         This file is part of solidity.
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| 
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|         solidity is free software: you can redistribute it and/or modify
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|         it under the terms of the GNU General Public License as published by
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|         the Free Software Foundation, either version 3 of the License, or
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|         (at your option) any later version.
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| 
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|         solidity is distributed in the hope that it will be useful,
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|         but WITHOUT ANY WARRANTY; without even the implied warranty of
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|         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|         GNU General Public License for more details.
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| 
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|         You should have received a copy of the GNU General Public License
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|         along with solidity.  If not, see <http://www.gnu.org/licenses/>.
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| */
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| /**
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|  * Utilities to handle the Contract ABI (https://github.com/ethereum/wiki/wiki/Ethereum-Contract-ABI)
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|  */
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| 
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| #include <libsolidity/interface/ABI.h>
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| #include <libsolidity/ast/AST.h>
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| 
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| using namespace std;
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| using namespace dev;
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| using namespace dev::solidity;
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| 
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| Json::Value ABI::generate(ContractDefinition const& _contractDef)
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| {
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| 	Json::Value abi(Json::arrayValue);
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| 
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| 	for (auto it: _contractDef.interfaceFunctions())
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| 	{
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| 		auto externalFunctionType = it.second->interfaceFunctionType();
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| 		solAssert(!!externalFunctionType, "");
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| 		Json::Value method;
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| 		method["type"] = "function";
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| 		method["name"] = it.second->declaration().name();
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| 		// TODO: deprecate constant in a future release
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| 		method["constant"] = externalFunctionType->stateMutability() == StateMutability::Pure || it.second->stateMutability() == StateMutability::View;
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| 		method["payable"] = externalFunctionType->isPayable();
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| 		method["stateMutability"] = stateMutabilityToString(externalFunctionType->stateMutability());
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| 		method["inputs"] = formatTypeList(
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| 			externalFunctionType->parameterNames(),
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| 			externalFunctionType->parameterTypes(),
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| 			_contractDef.isLibrary()
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| 		);
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| 		method["outputs"] = formatTypeList(
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| 			externalFunctionType->returnParameterNames(),
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| 			externalFunctionType->returnParameterTypes(),
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| 			_contractDef.isLibrary()
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| 		);
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| 		abi.append(method);
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| 	}
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| 	if (_contractDef.constructor())
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| 	{
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| 		auto externalFunctionType = FunctionType(*_contractDef.constructor(), false).interfaceFunctionType();
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| 		solAssert(!!externalFunctionType, "");
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| 		Json::Value method;
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| 		method["type"] = "constructor";
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| 		method["payable"] = externalFunctionType->isPayable();
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| 		method["stateMutability"] = stateMutabilityToString(externalFunctionType->stateMutability());
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| 		method["inputs"] = formatTypeList(
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| 			externalFunctionType->parameterNames(),
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| 			externalFunctionType->parameterTypes(),
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| 			_contractDef.isLibrary()
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| 		);
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| 		abi.append(method);
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| 	}
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| 	if (_contractDef.fallbackFunction())
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| 	{
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| 		auto externalFunctionType = FunctionType(*_contractDef.fallbackFunction(), false).interfaceFunctionType();
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| 		solAssert(!!externalFunctionType, "");
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| 		Json::Value method;
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| 		method["type"] = "fallback";
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| 		method["payable"] = externalFunctionType->isPayable();
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| 		method["stateMutability"] = stateMutabilityToString(externalFunctionType->stateMutability());
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| 		abi.append(method);
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| 	}
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| 	for (auto const& it: _contractDef.interfaceEvents())
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| 	{
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| 		Json::Value event;
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| 		event["type"] = "event";
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| 		event["name"] = it->name();
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| 		event["anonymous"] = it->isAnonymous();
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| 		Json::Value params(Json::arrayValue);
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| 		for (auto const& p: it->parameters())
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| 		{
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| 			solAssert(!!p->annotation().type->interfaceType(false), "");
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| 			Json::Value input;
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| 			input["name"] = p->name();
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| 			input["type"] = p->annotation().type->interfaceType(false)->canonicalName(false);
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| 			input["indexed"] = p->isIndexed();
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| 			params.append(input);
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| 		}
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| 		event["inputs"] = params;
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| 		abi.append(event);
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| 	}
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| 
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| 	return abi;
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| }
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| 
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| Json::Value ABI::formatTypeList(
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| 	vector<string> const& _names,
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| 	vector<TypePointer> const& _types,
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| 	bool _forLibrary
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| )
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| {
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| 	Json::Value params(Json::arrayValue);
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| 	solAssert(_names.size() == _types.size(), "Names and types vector size does not match");
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| 	for (unsigned i = 0; i < _names.size(); ++i)
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| 	{
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| 		solAssert(_types[i], "");
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| 		Json::Value param;
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| 		param["name"] = _names[i];
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| 		param["type"] = _types[i]->canonicalName(_forLibrary);
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| 		params.append(param);
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| 	}
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| 	return params;
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| }
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