错误信息：
```
dong@dong:/go-ethereum$ make geth
env GO111MODULE=on go run build/ci.go install ./cmd/geth
build/ci.go:62:2: use of internal package not allowed
/home/dong/goproject/src/crypto/ed25519/ed25519.go:33:2: use of internal package not allowed
make: *** [Makefile:16：geth] 错...
...ariable对象`。
```solidity
如源代码如下：
contract Token is ERC20, Ownable, WhiteList {
using SafeMath for uint256;
address public uniswapV2Pair;
uint256 public _feeRatio;
可以通过调用contract对象的get_state_variable_from_name得到状态变量
get_...