Module tip20 

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

Provides ERC-20-like balances, allowances, and transfers with Tempo extensions: role-based access control, pausability, supply caps, transfer policies (TIP-403), opt-in staking rewards, EIP-2612 permits (T2+), quote-token graphs, and virtual addresses (TIP-1022).

Re-exports

pub use slots as tip20_slots;

Modules

IRolesAuth

Module containing a contract’s types and functions.

ITIP20

TIP20 token interface providing standard ERC20 functionality with Tempo-specific extensions.

dispatch

ABI dispatch for the TIP20Token precompile.

rewards

Opt-in staking [rewards system] for TIP-20 tokens.

roles

Role-based access control for TIP-20 tokens.

slots

Structs

Recipient 🔒

Resolved transfer recipient for TIP-1022 virtual address support.

TIP20Token

Enums

RolesAuthError

Container for all the IRolesAuth custom errors.

RolesAuthEvent

Container for all the IRolesAuth events.

TIP20Error

Container for all the ITIP20 custom errors.

TIP20Event

Container for all the ITIP20 events.

Constants

U128_MAX

u128::MAX as U256

USD_CURRENCY

USD currency string constant.

Statics

BURN_BLOCKED_ROLE

Role hash that authorizes burning tokens from blocked accounts.

EIP712_DOMAIN_TYPEHASH

EIP-712 domain separator typehash

ISSUER_ROLE

Role hash for minting new tokens.

PAUSE_ROLE

Role hash for pausing token transfers.

PERMIT_TYPEHASH

EIP-712 Permit typehash: keccak256(“Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)”)

UNPAUSE_ROLE

Role hash for unpausing token transfers.

VERSION_HASH

EIP-712 version hash: keccak256(“1”)

Functions

is_tip20_prefix

Returns true if addr has the TIP-20 token prefix.

validate_usd_currency

Validates that the given token’s currency is "USD".