Modules

Overview

SMOOVE will be built in multiple iterations as Sui continues to improve with each update.

For the initial launch, a primary wrapper [smoove::moo_wrapper] will be used to manage the wrapping of $SUI into $mooSUI. The wrapper will also manage the delegation of $SUI with multiple validators to earn staking rewards, and the subsequent unwrapping of $mooSUI back into $SUI.

The liquid staking vault [smoove::liquid_staking_vault] manages deposits of $mooSUI for yield generated from delegating, and mints $smooSUI based on the current oracle price [smoove::oracle] as $smooSUI utilizes an accrual mechanism for the rewards. The vault also handles the minting of $mooSUI whenever the oracle price updates every epoch to ensure that the circulating supply of $mooSUI maintains parity with the total amount of $SUI managed by the SMOOVE protocol.

In order to allow for a seamless migration in future, the two coins $mooSUI and $smooSUI are deployed as separate modules [smoove::moosui and smoove::smoosui]. The respective TreasuryCaps are then transferred into a Treasury Manager [smoove::treasury_manager] which is called by the wrapper and the vault when minting or burning of either token is required. This model allows the TreasuryCaps to be extracted at a later date and transferred to a future version of the protocol, allowing for an upgrade that does not require any form of user intervention.

Modules

This section briefly describes the modules in the smoove package, along with their purpose and public functions. An interfacing reference will be documented at a later date for developers to work with the modules directly.

smoove::moosui

  • Module to create $mooSUI

  • Utilises sui::coin

  • Transfers TreasuryCap to SMOOVE deployer upon initialisation

  • No public functions

smoove::smoosui

  • Module to create $smooSUI

  • Utilises sui::coin

  • Transfers TreasuryCap to SMOOVE deployer upon initialisation

  • No public functions

smoove::treasury_manager

  • Module to manage TreasuryCap for $mooSUI and $smooSUI

  • Handles minting and burning of $mooSUI and $smooSUI

  • No public functions

smoove::moo_wrapper

  • Module to manage wrapping and unwrapping of SUI to $mooSUI

  • moo_wrapper::wrap Receive $SUI, store as Balance, mint equal $mooSUI, return $mooSUI to caller, emit Wrapped{amount}

  • moo_wrapper::unwrap Burn $mooSUI, returns equal $SUI to caller, emit Unwrapped{amount}

  • moo_wrapper::wrap_and_transfer Entrypoint for moo_wrapper::wrap which transfers $mooSUI to the caller directly

  • moo_wrapper::unwrap_and_transfer Entrypoint for moo_wrapper::unwrap which transfers SUI to the caller directly

smoove::price_oracle

  • Module to manage price of $smooSUI against $mooSUI

  • price_oracle::price Return the current price of smooSUI:mooSUI

  • price_oracle::decimals Return the decimal precision of the price

  • price_oracle::last_updated Return the UNIX timestamp of the last price update

smoove::liquid_staking_vault

  • Module to manage deposits of $mooSUI and withdrawals of $smooSUI

  • Utilises smoove::price_oracle to determine the price of $smooSUI against $mooSUI

  • liquid_staking_vault::deposit Receives $mooSUI, store as Balance, mint $smooSUI, return $smooSUI to caller, emit Deposited{moosui, smoosui}

  • liquid_staking_vault::withdraw Burn $smooSui, returns $mooSUI to caller, emit Withdrawn{moosui, smoosui}

  • liquid_staking_vault::deposit_and_transfer Entrypoint for liquid_staking_vault::deposit which transfers $smooSUI to the caller directly

  • liquid_staking_vault::withdraw_and_transfer Entrypoint for liquid_staking_vault::withdraw which transfers $mooSUI to the caller directly

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