EthPrivErc20MetaVault

Git Source ↗

Inherits: Initializable ↗, EthErc20MetaVault, VaultWhitelist, IEthPrivErc20MetaVault

Defines the Meta Vault functionality with whitelist and ERC-20 token on Ethereum

State Variables

_version

uint8 private constant _version = 7

__gap

This empty reserved space is put in place to allow future versions to add new variables without shifting down storage in the inheritance chain. See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps

uint256[50] private __gap

Functions

constructor

Constructor

Since the immutable variable value is stored in the bytecode, its value would be shared among all proxies pointing to a given contract instead of each proxy’s storage.

Note: oz-upgrades-unsafe-allow: constructor

constructor(EthErc20MetaVaultConstructorArgs memory args) EthErc20MetaVault(args);

Parameters

Name	Type	Description
args	EthErc20MetaVaultConstructorArgs	The arguments for initializing the EthErc20MetaVault contract

initialize

Initializes or upgrades the EthErc20MetaVault contract. Must transfer security deposit during the deployment.

function initialize(bytes calldata params)
    external
    payable
    virtual
    override(IEthErc20MetaVault, EthErc20MetaVault)
    reinitializer(_version);

Parameters

Name	Type	Description
params	bytes	The encoded parameters for initializing the EthErc20MetaVault contract

deposit

Deposit ETH to the Vault

function deposit(address receiver, address referrer)
    public
    payable
    virtual
    override(IEthErc20MetaVault, EthErc20MetaVault)
    returns (uint256 shares);

Parameters

Name	Type	Description
receiver	address	The address that will receive Vault's shares
referrer	address	The address of the referrer. Set to zero address if not used.

Returns

Name	Type	Description
shares	uint256	The number of shares minted

receive

Function for depositing using fallback function

receive() external payable virtual override;

mintOsToken

Mints OsToken shares

function mintOsToken(address receiver, uint256 osTokenShares, address referrer)
    public
    virtual
    override(IVaultOsToken, VaultOsToken)
    returns (uint256 assets);

Parameters

Name	Type	Description
receiver	address	The address that will receive the minted OsToken shares
osTokenShares	uint256	The number of OsToken shares to mint to the receiver. To mint the maximum amount of shares, use 2^256 - 1.
referrer	address	The address of the referrer

Returns

Name	Type	Description
assets	uint256	The number of assets minted to the receiver

vaultId

Vault Unique Identifier

function vaultId() public pure virtual override(IVaultVersion, EthErc20MetaVault) returns (bytes32);

Returns

Name	Type	Description
<none>	bytes32	The unique identifier of the Vault

version

Version

function version() public pure virtual override(IVaultVersion, EthErc20MetaVault) returns (uint8);

Returns

Name	Type	Description
<none>	uint8	The version of the Vault implementation contract

_transfer

Moves amount of tokens from from to to. Emits a Transfer event.

function _transfer(address from, address to, uint256 amount) internal virtual override;