tempo_contracts/precompiles/
nonce.rs

1pub use INonce::{INonceErrors as NonceError, INonceEvents as NonceEvent};
2
3crate::sol! {
4    /// Nonce interface for managing 2D nonces as per the Account Abstraction spec.
5    ///
6    /// This precompile manages user nonce keys (1-N) while protocol nonces (key 0)
7    /// are handled directly by account state. Each account can have multiple
8    /// independent nonce sequences identified by a nonce key.
9    #[derive(Debug, PartialEq, Eq)]
10    #[sol(abi)]
11    interface INonce {
12        /// Get the current nonce for a specific account and nonce key
13        /// @param account The account address
14        /// @param nonceKey The nonce key (must be > 0, protocol nonce key 0 not supported)
15        /// @return nonce The current nonce value
16        function getNonce(address account, uint256 nonceKey) external view returns (uint64 nonce);
17
18        // Events
19        event NonceIncremented(address indexed account, uint256 indexed nonceKey, uint64 newNonce);
20
21        // Errors
22        error ProtocolNonceNotSupported();
23        error InvalidNonceKey();
24        error NonceOverflow();
25
26        // Expiring nonce errors
27        /// Returned when an expiring nonce tx hash has already been seen
28        error ExpiringNonceReplay();
29        /// Returned when the expiring nonce seen set is at capacity
30        error ExpiringNonceSetFull();
31        /// Returned when valid_before is not within the allowed window
32        error InvalidExpiringNonceExpiry();
33    }
34}
35
36impl NonceError {
37    /// Creates an error for protocol nonce not supported
38    pub const fn protocol_nonce_not_supported() -> Self {
39        Self::ProtocolNonceNotSupported(INonce::ProtocolNonceNotSupported)
40    }
41
42    /// Creates an error for invalid nonce key
43    pub const fn invalid_nonce_key() -> Self {
44        Self::InvalidNonceKey(INonce::InvalidNonceKey)
45    }
46
47    /// Creates an error for when nonce overflows
48    pub const fn nonce_overflow() -> Self {
49        Self::NonceOverflow(INonce::NonceOverflow)
50    }
51
52    /// Creates an error for expiring nonce replay
53    pub const fn expiring_nonce_replay() -> Self {
54        Self::ExpiringNonceReplay(INonce::ExpiringNonceReplay)
55    }
56
57    /// Creates an error for expiring nonce set being full
58    pub const fn expiring_nonce_set_full() -> Self {
59        Self::ExpiringNonceSetFull(INonce::ExpiringNonceSetFull)
60    }
61
62    /// Creates an error for invalid expiring nonce expiry
63    pub const fn invalid_expiring_nonce_expiry() -> Self {
64        Self::InvalidExpiringNonceExpiry(INonce::InvalidExpiringNonceExpiry)
65    }
66}
tempo_contracts/precompiles/nonce.rs

tempo_contracts/precompiles/
nonce.rs
