# get\_toks\_per\_share

This on-chain view returns amount of token A and token B for the specified amount of LP tokens in a specific liquidity pool (pair). Also can return a list of responses for a list of requests.

### Call parameters

```pascaligo
type token_id_t         is nat

type toks_per_shr_req_t is [@layout:comb] record [
  pair_id                 : token_id_t;
  shares_amt              : nat;
]

list(toks_per_shr_req_t)
```

<table><thead><tr><th width="150">Field</th><th width="202.33333333333331">Type</th><th>Description</th></tr></thead><tbody><tr><td>pair_id</td><td>token_id_t (nat)</td><td>Pair ID for which you need to get tokens amount per shares</td></tr><tr><td>shares_amt</td><td>nat</td><td>Amount of shares to get info about tokens</td></tr></tbody></table>

### Return type

```pascaligo
type token_id_t         is nat

type toks_per_shr_t     is [@layout:comb] record [
  token_a_amt             : nat;
  token_b_amt             : nat;
]

type toks_per_shr_req_t is [@layout:comb] record [
  pair_id                 : token_id_t;
  shares_amt              : nat;
]

type toks_per_shr_res_t is [@layout:comb] record [
  request                 : toks_per_shr_req_t;
  tokens_per_share        : toks_per_shr_t;
]

list(toks_per_shr_res_t)
```

#### toks\_per\_shr\_req\_t

<table><thead><tr><th>Field</th><th width="152.00000000000003">Type</th><th>Description</th></tr></thead><tbody><tr><td>pair_id</td><td>token_id_t (nat)</td><td>Pair ID for which you need to get tokens amount per shares</td></tr><tr><td>shares_amt</td><td>nat</td><td>Amount of shares to get info about tokens</td></tr></tbody></table>

#### toks\_per\_shr\_t

<table><thead><tr><th>Field</th><th width="150">Type</th><th>Description</th></tr></thead><tbody><tr><td>token_a_amt</td><td>nat</td><td>Amount of tokens A per shares</td></tr><tr><td>token_b_amt</td><td>nat</td><td>Amount of tokens B per shares</td></tr></tbody></table>

#### toks\_per\_shr\_res\_t

| Field              | Type                                          | Description                |
| ------------------ | --------------------------------------------- | -------------------------- |
| request            | [toks\_per\_shr\_req\_t](#toks_per_shr_req_t) | Tokens per shares request  |
| tokens\_per\_share | [toks\_per\_shr\_t](#toks_per_shr_t)          | Tokens per shares response |

### Usage

{% tabs %}
{% tab title="🌮 Taquito" %}

```javascript
const dexCoreAddress = "KT1...";
const params = [
    {
        pair_id: 1,
        shares_amt: 100,
    },
    ...
];
const viewCaller = "tz1...";
const dexCore = await tezos.contract.at(dexCoreAddress);
const tokensPerShares = await dexCore.contract.contractViews.get_toks_per_share(params).executeView({ viewCaller: viewCaller });
```

{% endtab %}
{% endtabs %}

### Errors

* `108` - pair (pool) with the specified `token_id` not listed.
* `109` - pair doesn't have a liquidity.


---

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