Imports github.com/ethereum/go-ethereum/common github.com/ethereum/go-ethereum/common/hexutil github.com/ethereum/go-ethereum/crypto github.com/ethereum/go-ethereum/crypto/secp256k1 github.com/miguelmota/go-solidity-sha3 Standard library imports bytes crypto/aes crypto/cipher crypto/ecdsa crypto/elliptic crypto/md5 crypto/sha256 encoding/base64 encoding/hex errors fmt math/big strconv