Imports github.com/mdp/qrterminal github.com/patrickmn/go-cache github.com/txthinking/ant github.com/txthinking/pac/blackwhite github.com/txthinking/socks5 golang.org/x/net/proxy Standard library imports errors io log net net/url os strconv time bytes crypto/aes crypto/cipher crypto/md5 crypto/rand encoding/binary