Imports github.com/PlatONnetwork/PlatON-Go/crypto/sha3 github.com/PlatONnetwork/PlatON-Go/crypto/secp256k1 github.com/PlatONnetwork/PlatON-Go/common github.com/PlatONnetwork/PlatON-Go/rlp github.com/PlatONnetwork/PlatON-Go/common/math Standard library imports crypto/rand encoding/hex errors fmt io io/ioutil math/big os crypto/elliptic crypto/ecdsa