> For the complete documentation index, see [llms.txt](https://docs.mav.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mav.xyz/technical-reference/maverick-v2/v2-contracts/maverick-v2-reward-contracts/rewardbase/rewardaccounting.md).

# RewardAccounting

**Inherits:** [IRewardAccounting](/technical-reference/maverick-v2/v2-contracts/maverick-v2-reward-contracts/rewardbase/irewardaccounting.md)

Provides ERC20-like functions for minting, burning, balance tracking and total supply. Tracking is based on a tokenId user index instead of an address.

### State Variables <a href="#state-variables" id="state-variables"></a>

#### \_stakeBalances <a href="#stakebalances" id="stakebalances"></a>

```solidity
mapping(uint256 account => uint256) private _stakeBalances;
```

#### \_stakeTotalSupply <a href="#staketotalsupply" id="staketotalsupply"></a>

```solidity
uint256 private _stakeTotalSupply;
```

### Functions <a href="#functions" id="functions"></a>

#### stakeBalanceOf <a href="#stakebalanceof" id="stakebalanceof"></a>

Balance of stake for a given `tokenId` account.

```solidity
function stakeBalanceOf(uint256 tokenId) public view returns (uint256 balance);
```

#### stakeTotalSupply <a href="#staketotalsupply" id="staketotalsupply"></a>

Sum of all balances across all tokenIds.

```solidity
function stakeTotalSupply() public view returns (uint256 supply);
```

#### \_mintStake <a href="#mintstake" id="mintstake"></a>

Mint to staking account for a tokenId account.

```solidity
function _mintStake(uint256 tokenId, uint256 value) internal;
```

#### \_burnStake <a href="#burnstake" id="burnstake"></a>

Burn from staking account for a tokenId account.

```solidity
function _burnStake(uint256 tokenId, uint256 value) internal;
```

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