# Tables

This page lists all tables on the cpu.fusion contract, including their descriptions and a breakdown of each datapoint stored in the table.

## Quick Links

[#delegated\_bandwidth](#delegated_bandwidth "mention")

[#state](#state "mention")

[#top21](#top21 "mention")

### delegated\_bandwidth

> The delegated bandwidth table is stored on the eosio system contract, and is referenced in our CPU contracts to manage CPU rentals.

### state

> The state singleton stores information about the current global state of this contract.

| Column           | Type      | Description                                                                       |
| ---------------- | --------- | --------------------------------------------------------------------------------- |
| last\_vote\_time | uint64\_t | The epoch timestamp of the last time that this contract voted for block producers |

### top21

> The top21 singleton is stored on the dapp.fusion contract, and is referenced on this contract so it can be accessed when voting for block producers.

| Column           | Type          | Description                                                                                                 |
| ---------------- | ------------- | ----------------------------------------------------------------------------------------------------------- |
| block\_producers | vector\<name> | A list of which block producers are currently in the top 21                                                 |
| last\_update     | uint64\_t     | The epoch timestamp of the last time the top21 block producers were synced with the state of the blockchain |


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