Method abiEncodingFunctionMemoryByteArray

libsolidity/codegen/ABIFunctions.cpp:634–669

}

std::string ABIFunctions::abiEncodingFunctionMemoryByteArray(
	ArrayType const& _from,
	ArrayType const& _to,
	EncodingOptions const& _options
)
{
	std::string functionName =
		"abi_encode_" +
		_from.identifier() +
		"_to_" +
		_to.identifier() +
		_options.toFunctionNameSuffix();

	solAssert(_from.isDynamicallySized() == _to.isDynamicallySized(), "");
	solAssert(_from.length() == _to.length(), "");
	solAssert(_from.dataStoredIn(DataLocation::Memory), "");
	solAssert(_from.isByteArrayOrString(), "");

	return createFunction(functionName, [&]() {
		solAssert(_to.isByteArrayOrString(), "");
		Whiskers templ(R"(
			function <functionName>(value, pos) -> end {
				let length := <lengthFun>(value)
				pos := <storeLength>(pos, length)
				<copyFun>(add(value, 0x20), pos, length)
				end := add(pos, <lengthPadded>)
			}
		)");
		templ("functionName", functionName);
		templ("lengthFun", m_utils.arrayLengthFunction(_from));
		templ("storeLength", arrayStoreLengthForEncodingFunction(_to, _options));
		templ("copyFun", m_utils.copyToMemoryFunction(false, /*cleanup*/true));
		templ("lengthPadded", _options.padded ? m_utils.roundUpFunction() + "(length)" : "length");
		return templ.render();
	});
}

std::string ABIFunctions::abiEncodingFunctionCompactStorageArray(
	ArrayType const& _from,