Imports github.com/ontio/ontology/common github.com/ontio/ontology/errors github.com/ontio/ontology/vm/neovm/types github.com/ontio/ontology/vm/neovm/interfaces github.com/ontio/ontology/vm/neovm/utils github.com/ontio/ontology/vm/neovm/errors Standard library imports bytes encoding/binary fmt io math/big hash crypto/sha256 crypto/sha1