Native Contract Integration

Back to Runtime Specification

The embedded runtime includes a registry of Neo N3 native contracts:

Contract	Description
NEO	NEO governance token
GAS	GAS utility token
ContractManagement	Deploy, update, and query contracts
Policy	Network fee policies
Oracle	Oracle request service
RoleManagement	Node role management
Notary	Notary service
Treasury	Treasury management
Ledger	Blockchain data access
CryptoLib	Cryptographic functions
StdLib	Standard library utilities

ContractManagement

The embedded runtime maintains a stateful in-memory contract registry that supports:

• Deploy -- register a new contract with NEF and manifest
• Update -- update an existing contract (increments update counter)
• GetContract -- query contract metadata by hash

This registry persists within a single test execution and is used by both syscall-based and native contract calls.