# swivel.abstracts.vault\_tracker

### Classes

#### Class `VaultTracker` <a href="#id" id="id"></a>

> ```
> class VaultTracker
> ```

Persists and curates Vault objects associated with users

Note that a Vault is a Dict object in this form:

```
{ notional, redeemable, exchangerate }

```

**Ancestors**

* [swivel.abstracts.deployed.Deployed](#id-13)

**Descendants**

* [swivel.contracts.vault\_tracker.VaultTracker](#id-19)

**Methods**

**Method `admin`**

> ```
> def admin(
>     self,
>     opts=None
> )
> ```

The stored admin address for this contract

Note that this should always be the MarketPlace address

### Returns

web3 callable, opts

**Method `balances_of`**

> ```
> def balances_of(
>     self,
>     o,
>     opts=None
> )
> ```

Get Vault balances for a given user

### Parameters

o (string) Address of the vault owner

### Returns

web3 callable, opts

**Method `c_token_address`**

> ```
> def c_token_address(
>     self,
>     opts=None
> )
> ```

Adress of the compound token referenced by this vault tracker

### Returns

web3 callable, opts

**Method `maturity`**

> ```
> def maturity(
>     self,
>     opts=None
> )
> ```

An Epoch (in seconds) representing the time of maturity

### Returns

web3 callable, opts

**Method `maturity_rate`**

> ```
> def maturity_rate(
>     self,
>     opts=None
> )
> ```

The maturity rate (TODO: better description)

### Returns

web3 callable, opts

**Method `swivel`**

> ```
> def swivel(
>     self,
>     opts=None
> )
> ```

Address of the associated Swivel contract deployment

### Returns

web3 callable, opts

**Method `vaults`**

> ```
> def vaults(
>     self,
>     o,
>     opts=None
> )
> ```

Get a Vault for a given address

### Parameters

o (string) Address of the vault owner

### Returns

web3 callable, opts