Imports github.com/DSiSc/evm-NG/system/contract/util github.com/DSiSc/evm-NG/constant github.com/DSiSc/evm-NG/system/contract/buffer github.com/DSiSc/craft/types github.com/DSiSc/crypto-suite/util github.com/pkg/errors github.com/tencentyun/cos-go-sdk-v5 Standard library imports encoding/xml context encoding/json io io/ioutil net/http net/url reflect