renamed getCanonicalSignature

added externalTypes instead of types for interface functions
added simple test

todo
testing

AST.cpp

@@ -88,7 +88,7 @@ void ContractDefinition::checkTypeRequirements()
 		if (hashes.count(hash))
 			BOOST_THROW_EXCEPTION(createTypeError(
 									  std::string("Function signature hash collision for ") +
-									  it.second->getCanonicalSignature()));
+									  it.second->externalTypes()));
 		hashes.insert(hash);
 	}
 }
@@ -192,7 +192,7 @@ vector<pair<FixedHash<4>, FunctionTypePointer>> const& ContractDefinition::getIn
 				if (functionsSeen.count(f->getName()) == 0 && f->isPartOfExternalInterface())
 				{
 					functionsSeen.insert(f->getName());
-					FixedHash<4> hash(dev::sha3(f->getCanonicalSignature()));
+					FixedHash<4> hash(dev::sha3(f->externalTypes()));
 					m_interfaceFunctionList->push_back(make_pair(hash, make_shared<FunctionType>(*f, false)));
 				}
 
@@ -200,8 +200,9 @@ vector<pair<FixedHash<4>, FunctionTypePointer>> const& ContractDefinition::getIn
 				if (functionsSeen.count(v->getName()) == 0 && v->isPartOfExternalInterface())
 				{
 					FunctionType ftype(*v);
+					solAssert(v->getType().get(), "");
 					functionsSeen.insert(v->getName());
-					FixedHash<4> hash(dev::sha3(ftype.getCanonicalSignature(v->getName())));
+					FixedHash<4> hash(dev::sha3(ftype.externalTypes(v->getName())));
 					m_interfaceFunctionList->push_back(make_pair(hash, make_shared<FunctionType>(*v)));
 				}
 		}
@@ -319,9 +320,9 @@ void FunctionDefinition::checkTypeRequirements()
 	m_body->checkTypeRequirements();
 }
 
-string FunctionDefinition::getCanonicalSignature() const
+string FunctionDefinition::externalTypes() const
 {
-	return FunctionType(*this).getCanonicalSignature(getName());
+	return FunctionType(*this).externalTypes(getName());
 }
 
 bool VariableDeclaration::isLValue() const

AST.h

@@ -424,7 +424,7 @@ public:
 	/// @returns the canonical signature of the function
 	/// That consists of the name of the function followed by the types of the
 	/// arguments separated by commas all enclosed in parentheses without any spaces.
-	std::string getCanonicalSignature() const;
+	std::string externalTypes() const;
 
 private:
 	bool m_isConstructor;

ExpressionCompiler.cpp

@@ -544,7 +544,7 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
 				}
 			if (!event.isAnonymous())
 			{
-				m_context << u256(h256::Arith(dev::sha3(function.getCanonicalSignature(event.getName()))));
+				m_context << u256(h256::Arith(dev::sha3(function.externalTypes(event.getName()))));
 				++numIndexed;
 			}
 			solAssert(numIndexed <= 4, "Too many indexed arguments.");

InterfaceHandler.cpp

@@ -129,7 +129,7 @@ std::unique_ptr<std::string> InterfaceHandler::getUserDocumentation(ContractDefi
 			if (!m_notice.empty())
 			{// since @notice is the only user tag if missing function should not appear
 				user["notice"] = Json::Value(m_notice);
-				methods[it.second->getCanonicalSignature()] = user;
+				methods[it.second->externalTypes()] = user;
 			}
 		}
 	}
@@ -185,7 +185,7 @@ std::unique_ptr<std::string> InterfaceHandler::getDevDocumentation(ContractDefin
 				method["return"] = m_return;
 
 			if (!method.empty()) // add the function, only if we have any documentation to add
-				methods[it.second->getCanonicalSignature()] = method;
+				methods[it.second->externalTypes()] = method;
 		}
 	}
 	doc["methods"] = methods;

Types.cpp

@@ -1127,7 +1127,7 @@ MemberList const& FunctionType::getMembers() const
 	}
 }
 
-string FunctionType::getCanonicalSignature(std::string const& _name) const
+string FunctionType::externalTypes(std::string const& _name) const
 {
 	std::string funcName = _name;
 	if (_name == "")
@@ -1138,8 +1138,10 @@ string FunctionType::getCanonicalSignature(std::string const& _name) const
 	string ret = funcName + "(";
 
 	for (auto it = m_parameterTypes.cbegin(); it != m_parameterTypes.cend(); ++it)
-		ret += (*it)->toString() + (it + 1 == m_parameterTypes.cend() ? "" : ",");
-
+	{
+		solAssert(!!(*it)->externalType(), "Parameter should have external type");
+		ret += (*it)->externalType()->toString() + (it + 1 == m_parameterTypes.cend() ? "" : ",");
+	}
 	return ret + ")";
 }
 

Types.h

@@ -550,10 +550,10 @@ public:
 	virtual MemberList const& getMembers() const override;
 
 	Location const& getLocation() const { return m_location; }
-	/// @returns the canonical signature of this function type given the function name
+	/// @returns the external type of this function type given the function name
 	/// If @a _name is not provided (empty string) then the @c m_declaration member of the
 	/// function type is used
-	std::string getCanonicalSignature(std::string const& _name = "") const;
+	std::string externalTypes(std::string const& _name = "") const;
 	Declaration const& getDeclaration() const
 	{
 		solAssert(m_declaration, "Requested declaration from a FunctionType that has none");