undedoloremque/doc-site/docs/api/feegrant.mdx

Green Field JS SDK

---
id: feegrant
title: 'Feegrant'
---

import ApiTypes from '../../src/components/snippers/api-types.tsx';
import Tx from '../../src/components/snippers/tx.mdx';

## grantAllowance <ApiTypes type="Tx" />

Provides a way to grant allowance, the user needs to construct the desired type of allowance.

| params          | description                                                                 |
| --------------- | --------------------------------------------------------------------------- |
| amount          | amount of [Coin](/types/coin)                                               |
| denom           | denom of [Coin](/types/coin)                                                |
| allowedMessages | array of [Msg Type URL](/constants/msg-type-url)                            |
| granter         | the address of the user granting an allowance of their funds                |
| grantee         | the address of the user being granted an allowance of another user's funds. |
| expirationTime  | [Timestamp](/types/timestamp)                                               |

```jsx title="example"
const tx = await client.feegrant.grantAllowance({
  granter: '0x00...',
  grantee: '0x00...',
  allowedMessages: [MsgDeleteObjectTypeUrl],
  amount: parseEther('0.09').toString(),
  denom: 'BNB',
  expirationTime: toTimestamp(date),
});
```

<Tx />

## revokeAllowance <ApiTypes type="Tx" />

revokes allowance on a grantee by the granter.

| params  | description                                                                           |
| ------- | ------------------------------------------------------------------------------------- |
| granter | the address of the user granting an allowance of their funds                          |
| grantee | grantee is the address of the user being granted an allowance of another user's funds |

```jsx title="example"
const tx = await client.feegrant.revokeAllowance({
  granter: '0x00...',
  grantee: '0x00...',
});
```

<Tx />

## getAllowence <ApiTypes type="Query" />

queries the BasicAllowance.

| params  | description                                                                           |
| ------- | ------------------------------------------------------------------------------------- |
| granter | the address of the user granting an allowance of their funds                          |
| grantee | grantee is the address of the user being granted an allowance of another user's funds |

```jsx title="example"
await client.feegrant.getAllowence({
  granter: '0x00...',
  grantee: '0x00...',
});
```

## getAllowences <ApiTypes type="Query" />

queries the BasicAllowance by account address.

| params     | description                                                                           |
| ---------- | ------------------------------------------------------------------------------------- |
| grantee    | grantee is the address of the user being granted an allowance of another user's funds |
| pagination | [Pagination](/types/pagination)                                                       |

```jsx title="example"
import { Long } from '@bnb-chain/greenfield-js-sdk';
await client.feegrant.getAllowences({
  grantee: '0x00...',
  pagination: {
    limit: Long.fromInt(10),
    offset: Long.fromInt(0),
    countTotal: true,
    key: Uint8Array.from([]),
    reverse: false,
  },
});
```