Interfaces

Canonical B20 Solidity interfaces, source links, and copy-paste imports.

B20 interfaces describe the token, factory, and registry precompile surfaces. Use the linked reference for function-level behavior. The canonical Solidity file is in base-std.

Available Interfaces

Interface	Documentation	Canonical Solidity source
IB20	IB20 reference	IB20.sol
IB20Asset	IB20Asset reference	IB20Asset.sol
IB20Stablecoin	IB20Stablecoin reference	IB20Stablecoin.sol
IB20Factory	IB20Factory reference	IB20Factory.sol
IPolicyRegistry	IPolicyRegistry reference	IPolicyRegistry.sol
IActivationRegistry	IActivationRegistry reference	IActivationRegistry.sol
IERC8056	Asset multiplier interfaces	IERC8056.sol
IERC165	Asset interface detection	IERC165.sol

Copy and paste imports

Use these imports with the base-std/=src/ Foundry remapping.

IB20

import {IB20} from "base-std/interfaces/IB20.sol";

IB20Asset

import {IB20Asset} from "base-std/interfaces/IB20Asset.sol";

IB20Stablecoin

import {IB20Stablecoin} from "base-std/interfaces/IB20Stablecoin.sol";

IB20Factory

import {IB20Factory} from "base-std/interfaces/IB20Factory.sol";

IPolicyRegistry

import {IPolicyRegistry} from "base-std/interfaces/IPolicyRegistry.sol";

IActivationRegistry

import {IActivationRegistry} from "base-std/interfaces/IActivationRegistry.sol";

IERC8056

import {
    IScaledUIAmount,
    IScaledUIAmountBalances,
    IScaledUIAmountConversion,
    IScaledUIAmountNewUIMultiplier
} from "base-std/interfaces/IERC8056.sol";

IERC165

import {IERC165} from "base-std/interfaces/IERC165.sol";

See StdPrecompiles for canonical precompile addresses.