# TypeScript SDK

## **Deposit xSolvBTC**

```javascript
deposit(targetToken: string,currency: string,currencyAmount: string,minimumTargetTokenAmount: string,expireTime: number): Promise<ContractTransaction>
```

**Parameters**

```javascript
targetToken: string; // xSolvBTC contract address
currency: string; // Deposited token contract address
currencyAmount: string; // The token amount to be deposited
minimumTargetTokenAmount: string; // Minimum receiving quantity
expireTime: number; // The expiration time of the transaction
```

**Result**

Returns the Evm chain transaction object, which defaults to pending status

## Withdraw xSolvBTC

```javascript
withdraw(amount: string): Promise<ContractTransaction>;
```

**Parameters**

```javascript
amount: string; // witdraw quantity
```

**Result**

Returns the Evm chain transaction object, which defaults to pending status.


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