# Factory

The Factory smart contract oversees the full functionality of token pair registration and transactions in PumpSpace.

## Address

[0x26B42c208D8a9d8737A2E5c9C57F4481484d4616](https://subnets.avax.network/c-chain/address/0x26B42c208D8a9d8737A2E5c9C57F4481484d4616?tab=code)

{% hint style="info" %}
📝 The contract is verified on [Avalanche C-Chain Explorer](https://subnets.avax.network/c-chain/address/0x26B42c208D8a9d8737A2E5c9C57F4481484d4616?tab=code), and its source code can be publicly viewed there.
{% endhint %}

***

## Functions

#### getPair

* When the addresses of tokenA and tokenB are inputted, this returns the contract address of the corresponding pairing
* Returns the same contract address regardless of the order of the liquidity pool pairing tokens:

  getPair\[tokenA]\[tokenB] == getPair\[tokenB]\[tokenA]

```solidity
function getPair(address tokenA, address tokenB) external view returns (address pair);
```

#### allPairs

* Returns the liquidity pair contract address of the pair's index.

```solidity
function allPairs(uint idx) external view returns (address pair);
```

#### allPairsLength

* Returns the current number of registered liquidity pools.

```solidity
function allPairsLength() external view returns (uint count);
```


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