Crate tempo_precompiles 

Tempo precompile implementations.

Re-exports

pub use error::IntoPrecompileResult;

pub use error::Result;

pub use account_keychain::AuthorizedKey;

Modules

account_keychain

Account keychain precompile for managing session keys and spending limits.

error

Unified error handling for Tempo precompiles.

ip_validation 🔒

IP address validation utilities for validator configuration.

nonce

2D nonce management precompile and expiring nonce replay protection, enabling concurrent transaction execution as part of Tempo Transactions.

stablecoin_dex

On-chain CLOB (Central Limit Order Book) for stablecoin trading.

storage

EVM storage abstraction layer for Tempo precompile contracts.

test_utiltest-utils

Test utilities for precompile dispatch testing

tip20

TIP-20 token standard — Tempo’s native fungible token implementation.

tip20_factory

TIP-20 token factory precompile — deploys new TIP-20 tokens at deterministic addresses.

tip403_registry

TIP-403 transfer policy registry precompile.

tip_fee_manager

Fee manager precompile for transaction fee collection, distribution, and token swaps.

validator_config

Validator Config (V1) precompile – manages the on-chain consensus validator set. Will be migrated to Validator Config V2 post T2 hardfork

validator_config_v2

Validator Config V2 precompile – index-canonical, on-chain, consensus validator registry with signature-gated operations, IP uniqueness enforcement, and migration support from V1.

Macros

tempo_precompile 🔒

Structs

DelegateCallNotAllowed

Custom error with signature DelegateCallNotAllowed() and selector 0x0d89438e.

StaticCallNotAllowed

Custom error with signature StaticCallNotAllowed() and selector 0xbeaba5b7.

Constants

ACCOUNT_KEYCHAIN_ADDRESS

DEFAULT_FEE_TOKEN

ECRECOVER_GAS

Gas cost for ecrecover signature verification (used by KeyAuthorization and Permit).

INPUT_PER_WORD_COST

Input per word cost. It covers abi decoding and cloning of input into call data.

NONCE_PRECOMPILE_ADDRESS

PATH_USD_ADDRESS

STABLECOIN_DEX_ADDRESS

TIP20_FACTORY_ADDRESS

TIP403_REGISTRY_ADDRESS

TIP_FEE_MANAGER_ADDRESS

VALIDATOR_CONFIG_ADDRESS

VALIDATOR_CONFIG_V2_ADDRESS

Traits

Precompile

Trait implemented by all Tempo precompile contract types.

Functions

dispatch_call 🔒

Decodes calldata via decode, then dispatches to f.

extend_tempo_precompiles

Registers Tempo-specific precompiles into an existing [PrecompilesMap] by installing a lookup function that matches addresses to their precompile: TIP-20 tokens (by prefix), TIP20Factory, TIP403Registry, TipFeeManager, StablecoinDEX, NonceManager, ValidatorConfig, AccountKeychain, and ValidatorConfigV2. Each precompile is wrapped via the tempo_precompile! macro which enforces direct-call-only (no delegatecall) and sets up the storage context.

fill_precompile_output 🔒

Fills gas accounting fields on a [PrecompileOutput] from the storage context.

input_cost

Returns the gas cost for decoding calldata of the given length, rounded up to word boundaries.

metadata 🔒

Dispatches a parameterless view call, encoding the return via T.

mutate 🔒

Dispatches a state-mutating call that returns ABI-encoded data.

mutate_void 🔒

Dispatches a state-mutating call that returns no data (e.g. approve, transfer).

tempo_precompiles

Returns the full Tempo precompiles for the given config.

unknown_selector

Returns an ABI-encoded UnknownFunctionSelector revert for the given 4-byte selector.

view 🔒

Dispatches a read-only call with decoded arguments, encoding the return via T.