Syscall Categories
Overview
The embedded runtime registry contains 39 syscall names across 5 categories: the 38 Neo N3 syscall names plus the neo-devpack-solidity System.Runtime.GetMsgValue extension used for host-injected Solidity msg.value. Some host-state queries are intentionally approximated in the embedded runtime; see the category pages for method-level behavior.
| Category | Count | Prefix | Purpose |
|---|---|---|---|
| Storage | 11 | System.Storage.* | Persistent key-value state |
| Runtime | 20 | System.Runtime.* | Execution context, notifications, and the GetMsgValue extension |
| Contract | 4 | System.Contract.* | Cross-contract calls and accounts |
| Crypto | 2 | System.Crypto.* | Signature verification |
| Iterator | 2 | System.Iterator.* | Traversal of storage search results |
INFO
Most cryptographic operations (SHA256, RIPEMD160, keccak256, ECDSA verification, BLS12-381) are exposed through the CryptoLib native contract, not through syscalls. The two System.Crypto.* syscalls handle only signature verification against the current script container.