# Staking V1 (/docs/guides/evm/precompiles/staking-v1)

| Property            | Value                                        |
| ------------------- | -------------------------------------------- |
| Rust implementation | `StakingPrecompile`                          |
| Solidity interface  | `IStaking` V1                                |
| Address             | `0x0000000000000000000000000000000000000801` |
| Status              | Deployed                                     |

This legacy interface remains available for deployed callers. New staking
functionality belongs on [Staking V2](./staking-v2).

## Functions [#functions]

| Function                               | Mutability |
| -------------------------------------- | ---------- |
| `addStake(bytes32,uint256)`            | `payable`  |
| `removeStake(bytes32,uint256,uint256)` | nonpayable |
| `getTotalColdkeyStake(bytes32)`        | `view`     |
| `getTotalHotkeyStake(bytes32)`         | `view`     |
| `addProxy(bytes32)`                    | nonpayable |
| `removeProxy(bytes32)`                 | nonpayable |
| `getStake(bytes32,bytes32,uint256)`    | `view`     |

Source: [`staking.sol`](https://github.com/RaoFoundation/subtensor/blob/main/precompiles/src/solidity/staking.sol)