Imports
- github.com/gorilla/websocket
- github.com/DNAProject/DNA/core/signature
- github.com/DNAProject/DNA/common
- github.com/DNAProject/DNA/core/payload
- github.com/DNAProject/DNA/core/types
- github.com/DNAProject/DNA/smartcontract/service/native/utils
- github.com/ontio/ontology-crypto/keypair