# SDK

## Mint SolvBTC/LSTs

```typescript
createSubscription(poolId: string,currencyAmount: string): Promise<ContractTransaction>;
```

### Parameters

```typescript
poolId:string; // SolvBTC or SolvBTC.LSTs pool id
currencyAmount: string; // The payment currency quantity of the current pool. 
If the pool id is SolvBTC.LST, the currency is SolvBTC
```

### Result

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

## Request Redemption

```typescript
createRedemption(poolId: string, redeemValue: string): Promise<ContractTransaction>;
```

### Parameters

```typescript
poolId: string; //SolvBTC or SolvBTC.LSTs pool id
redeemValue: string; // redemption quantity 
```

### Result

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

Notice: After the operation is successful, the user will receive a redemption SFT

## Cancel Redemption

```typescript
cancelRedemption(poolId: string, openFundRedemptionId: string): Promise<ContractTransaction>;
```

### Parameters

```typescript
poolId: string; //SolvBTC or SolvBTC.LSTs pool id
openFundRedemptionId: string; //User’s redemption SFT ID
```

### Result

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

## Claim

Get the withdrawable amount

```typescript
claimableValue(tokenId: string | number): Promise<string>;
```

### parameters

```typescript
tokenId: string | number;  //User’s redemption SFT ID
```

### Result

Current withdrawal amount

### Claim

```typescript
claimTo(params: ClaimToParams): Promise<ContractTransaction>;
```

### Parameters

```typescript
type ClaimToParams = {
to: string;  // Withdrawal address
tokenId: string | number; //User’s redemption SFT ID
currency: string; //The contract address of the withdrawal asset 
amount: string | number; // Withdraw amount
}
```

### Result

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

## Set Pool Nav

### setSubscribeNav

```typescript
setSubscribeNav(poolId: string, time: string, nav: string): Promise<ContractTransaction>;
```

### Parameters

```typescript
poolId: string; //SolvBTC or SolvBTC.LSTs pool id
nav: string; //nav value
```

### Result

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

### setRedeemNav

```typescript
setRedeemNav( poolId: string, redeemSlot: string, nav: string, currencyBalance: string ): Promise<ContractTransaction>;
```

### Parameters

```typescript
poolId: string; //SolvBTC or SolvBTC.LSTs pool id
redeemSlot: string; //Redemption SFT batch no.
nav: string; //nav value
currencyBalance: string; // Total amount managed by the pool
```

### Result

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

<br>


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