FEYAutoPoolProductFactory

Git Source

Inherits: FEYFactoryConfigurator, IFEYFactory

Author: Struct Finance

Factory contract that is used to create Fixed and Enhanced Yield AutoPool Products

State Variables

latestSpTokenId

Keeps track of the latest SP token ID

uint256 public latestSpTokenId;

spTokenAddress

Address of the StructSP Token

ISPToken public spTokenAddress;

wAVAX

Address of the Native token

IERC20Metadata public immutable wAVAX;

isProductActive

Active products

mapping(address => uint256) public isProductActive;

isPoolActive

Active pairs

mapping(address => mapping(address => uint256)) public isPoolActive;

autoPoolVaults

Vaults mapping for reverse loopup

mapping(address => mapping(address => address)) public autoPoolVaults;

productTokenId

TokenID => Product

mapping(uint256 => address) public productTokenId;

allProducts

List of addresses of all the FEYProducts created

address[] public allProducts;

yieldSources

AutoPoool vault => YieldSource

mapping(address => IAutoPoolYieldSource) public yieldSources;

Functions

constructor

Initializes the Factory based on the given parameter

constructor(
    ISPToken _spTokenAddress,
    address _feyProductImpl,
    IGAC _globalAccessControl,
    IStructPriceOracle _priceOracle,
    IERC20Metadata _wAVAX,
    IDistributionManager _distributionManager
);

Parameters

Name	Type	Description
_spTokenAddress	ISPToken	Address of the Struct SP Token
_feyProductImpl	address	Address for FEYProduct implementation
_globalAccessControl	IGAC	Address of the StructGAC contract
_priceOracle	IStructPriceOracle	The address of the struct price oracle
_wAVAX	IERC20Metadata	wAVAX address
_distributionManager	IDistributionManager	Address of the distribution manager contract

totalProducts

Returns the total number of products created

function totalProducts() external view returns (uint256);

createProduct

Creates new FEY Products based on the given specifications

If the caller is not WHITELISTED, an initial deposit should be made.

The contract should not be in the PAUSED state

function createProduct(
    DataTypes.TrancheConfig memory _configTrancheSr,
    DataTypes.TrancheConfig memory _configTrancheJr,
    DataTypes.ProductConfigUserInput memory _productConfigUserInput,
    DataTypes.Tranche _tranche,
    uint256 _initialDepositAmount
) external payable gacPausable;

Parameters

Name	Type	Description
_configTrancheSr	DataTypes.TrancheConfig	Configuration of the senior tranche
_configTrancheJr	DataTypes.TrancheConfig	Configuration of the junior tranche
_productConfigUserInput	DataTypes.ProductConfigUserInput	User-set configuration of the Product
_tranche	DataTypes.Tranche	The tranche into which the creater makes the initial deposit
_initialDepositAmount	uint256	The initial deposit amount

setPoolStatus

Used to update the status of pair

Validate if the initial deposit value is >= the minimumInitialDeposit

If not, then the product creator should be whitelisted.

function setPoolStatus(address _autoPoolVault, uint256 _status) external onlyRole(GOVERNANCE);

Parameters

Name	Type	Description
_autoPoolVault	address	The addresss of the autopool vault contract
_status	uint256	The status of the pair

setYieldSource

Sets yield-source contract address for the AutoPool vault

function setYieldSource(address _autoPoolVault, address _yieldSource) external onlyRole(GOVERNANCE);

Parameters

Name	Type	Description
_autoPoolVault	address	Address of the AutoPool Vault contract
_yieldSource	address	Address of the yield source contract

isMintActive

Checks if spToken can still be minted for the given product.

SPTokens should be minted only for the products with OPEN state

function isMintActive(uint256 _spTokenId) external view returns (bool);

Parameters

Name	Type	Description
_spTokenId	uint256	The SPTokenId associated with the product (senior/junior tranche)

Returns

Name	Type	Description
<none>	bool	A flag indicating if SPTokens can be minted

isTransferEnabled

Checks if the SPToken with the given ID can be transferred.

function isTransferEnabled(uint256 _spTokenId, address _user) external view returns (bool);

Parameters

Name	Type	Description
_spTokenId	uint256	The SPToken Id
_user	address	Address of the SPToken holder

Returns

Name	Type	Description
<none>	bool	A flag indicating if transfers are allowed or not

_deployProduct

Restrict transfer when the product state is OPEN

Deploys the FEY Product based on the given config

function _deployProduct(
    DataTypes.TrancheConfig memory _configTrancheSr,
    DataTypes.TrancheConfig memory _configTrancheJr,
    DataTypes.ProductConfig memory _productConfig
) private returns (address);

Parameters

Name	Type	Description
_configTrancheSr	DataTypes.TrancheConfig	- The configuration for the Senior Tranche
_configTrancheJr	DataTypes.TrancheConfig	- The configuration for the Junior Tranche
_productConfig	DataTypes.ProductConfig	- The configuration for the new product

Returns

Name	Type	Description
<none>	address	The address of the new product

_makeInitialDeposit

Used to increase allowance and deposit on behalf of the product creator

function _makeInitialDeposit(
    DataTypes.Tranche _tranche,
    uint256 _amount,
    IERC20Metadata _trancheToken,
    IFEYProduct _productAddress
) private;

Parameters

Name	Type	Description
_tranche	DataTypes.Tranche	Tranche id to make the initial deposit
_amount	uint256	Amount of tokens to be deposited
_trancheToken	IERC20Metadata	Tranche token address
_productAddress	IFEYProduct	FEYProduct address that's recently deployed

_validateProductConfig

Validates the Product configuration

function _validateProductConfig(DataTypes.ProductConfig memory _productConfig) private view;

Parameters

Name	Type	Description
_productConfig	DataTypes.ProductConfig	Product configuration

_validatePool

Validates if pool exists for the given set of tokens and the autopool vault is not paused.

function _validatePool(address _token0, address _token1) private view;

Parameters

Name	Type	Description
_token0	address	Address for token0
_token1	address	Address for token1

_getTrancheCapacityValues

Returns the tranche capacity values in USD.

function _getTrancheCapacityValues(address _trancheTokenSenior, address _trancheTokenJunior)
    private
    view
    returns (uint256 _trancheCapacityValueSenior, uint256 _trancheCapacityValueJunior);

Parameters

Name	Type	Description
_trancheTokenSenior	address	Senior tranche token address
_trancheTokenJunior	address	Junior tranche token address

Returns

Name	Type	Description
_trancheCapacityValueSenior	uint256	Value of Senior tranche capacity in USD
_trancheCapacityValueJunior	uint256	Value of Junior tranche capacity in USD

_getInitialDepositValueUSD

Returns the initial deposit amount value in USD

function _getInitialDepositValueUSD(
    DataTypes.Tranche _tranche,
    uint256 _amount,
    address _trancheTokenSenior,
    address _trancheTokenJunior
) private view returns (uint256 _valueUSD, address _trancheToken);

Parameters

Name	Type	Description
_tranche	DataTypes.Tranche	Tranche for initial deposit
_amount	uint256	The initial deposit amount
_trancheTokenSenior	address	Senior tranche token address
_trancheTokenJunior	address	Junior tranche token address

Returns

Name	Type	Description
_valueUSD	uint256	Value of initial deposit amount in USD
_trancheToken	address	Address of the tranche token