# Standard Pool

### Steps to Integration

There are three steps in conducting a create pool: 1) prepare input, 2) approve tokens, 3) conduct create pool. You need to install PiperX sdk and import it to proceed.

```javascript
import { v2AddLiquidity, v2RouterTokenApproval, } from '@piperx/sdk/src/core'
import { WIP_ADDRESS } from '@piperx/sdk/src/constant'
```

#### Prepare Input

You need the following inputs before you can create a pool 

```typescript
token1_address: address, // if it is $IP native token, use WIP_ADDRESS
token2_address: address, // if it is $IP native token, use WIP_ADDRESS
amount1: bigint, // amount of token 1 you want to deposit to the pool
amount2: bigint, // amount of token 2 you want to deposit to the pool
amount1Min: bigint, // minimal amount of token 1 you want to deposit to the pool
amount2Min: bigint, // minmial amount of token 2 you want to deposit to the pool
expire_time: bigint// expiration timestamp for a swap
signer: ethers.Signer
```

Note that, if you are creating pool with $IP token, you should pass in the PiperX wrapped $IP token address, because the $IP token is not a ERC-20 token. For example, if you are create  $IP to $USDC pool, please use wrapped $IP address `WIP_ADDRESS`

#### Approve tokens

You need to approve the router contract to both your tokens to create this pool

```typescript
await v2RouterTokenApproval(token1_address, amount1, signer)
await v2RouterTokenApproval(token2_address, amount2, signer)
```

#### Creating the pool

```typescript
await v2AddLiquidity(
    token1: string,
    token2: string,
    amount1: bigint,
    amount2: bigint,
    amount1Min: bigint,
    amount2Min: bigint,
    expire_time: bigint,
    signer: ethers.Signer
)
```


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