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Purpose: Single entry point for all user-facing protocol operations.

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Description

The Gateway contract serves as the trusted ENTRY_POINT role holder and coordinates interactions between users and the protocol’s internal contracts.

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Key Functions

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Deposits

function deposit(uint256 amount) external
Deposits USDC and mints iUSD to the caller.

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Redemptions

function redeem(uint256 amount) external
Burns iUSD and returns USDC to the caller. May queue if reserves are insufficient.

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Staking

function stake(uint256 amount) external
Stakes iUSD to receive siUSD.

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Locking

function lock(uint256 amount, uint256 weeks) external
Locks iUSD for the specified number of weeks to receive liUSD-xw.

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Access Control

The Gateway holds the ENTRY_POINT role, enabling it to call internal protocol functions on behalf of users.