PSM

Purpose

Maintains USDD’s price peg by facilitating 1:1 swaps with other stablecoins (e.g., USDT).

Key Responsibilities

• Reduces volatility during market imbalances.

• Offers zero-slippage swaps with no fees.

Key Methods

• sellGem(usr, wad) Allows users to exchange a stablecoin (gem) for USDD.

• buyGem(usr, wad) Enables users to swap USDD for another stablecoin.

• file(what, data) Sets PSM parameters such as swap limits or supported stablecoins.