Imports github.com/nknorg/nkn/common github.com/nknorg/nkn/common/serialization github.com/nknorg/nkn/crypto/p256r1 github.com/nknorg/nkn/crypto/util github.com/nknorg/nkn/errors Standard library imports bytes crypto/aes crypto/cipher crypto/ecdsa crypto/elliptic crypto/rand crypto/sha256 errors fmt io math/big