docs/classes/DfRewards.md
[@oceanprotocol/lib](../README.md) / [Exports](../modules.md) / DfRewards
# Class: DfRewards
Provides an interface for DFRewards contract
## Hierarchy
- [`SmartContractWithAddress`](SmartContractWithAddress.md)
↳ **`DfRewards`**
## Table of contents
### Constructors
- [constructor](DfRewards.md#constructor)
### Properties
- [abi](DfRewards.md#abi)
- [address](DfRewards.md#address)
- [config](DfRewards.md#config)
- [contract](DfRewards.md#contract)
- [signer](DfRewards.md#signer)
### Methods
- [allocateRewards](DfRewards.md#allocaterewards)
- [amountToUnits](DfRewards.md#amounttounits)
- [claimRewards](DfRewards.md#claimrewards)
- [getAvailableRewards](DfRewards.md#getavailablerewards)
- [getContract](DfRewards.md#getcontract)
- [getDefaultAbi](DfRewards.md#getdefaultabi)
- [getFairGasPrice](DfRewards.md#getfairgasprice)
- [unitsToAmount](DfRewards.md#unitstoamount)
## Constructors
### constructor
• **new DfRewards**(`address`, `signer`, `network?`, `config?`, `abi?`)
Instantiate the smart contract.
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `address` | `string` | The address of the contract. |
| `signer` | `Signer` | The signer object. |
| `network?` | `string` \| `number` | Network id or name |
| `config?` | [`Config`](Config.md) | The configuration object. |
| `abi?` | [`AbiItem`](../interfaces/AbiItem.md)[] | ABI array of the smart contract |
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[constructor](SmartContractWithAddress.md#constructor)
#### Defined in
[contracts/SmartContractWithAddress.ts:17](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContractWithAddress.ts#L17)
## Properties
### abi
• **abi**: [`AbiItem`](../interfaces/AbiItem.md)[]
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[abi](SmartContractWithAddress.md#abi)
#### Defined in
[contracts/SmartContract.ts:14](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContract.ts#L14)
___
### address
• **address**: `string`
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[address](SmartContractWithAddress.md#address)
#### Defined in
[contracts/SmartContractWithAddress.ts:6](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContractWithAddress.ts#L6)
___
### config
• **config**: [`Config`](Config.md)
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[config](SmartContractWithAddress.md#config)
#### Defined in
[contracts/SmartContract.ts:13](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContract.ts#L13)
___
### contract
• **contract**: `Contract`
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[contract](SmartContractWithAddress.md#contract)
#### Defined in
[contracts/SmartContractWithAddress.ts:7](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContractWithAddress.ts#L7)
___
### signer
• **signer**: `Signer`
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[signer](SmartContractWithAddress.md#signer)
#### Defined in
[contracts/SmartContract.ts:12](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContract.ts#L12)
## Methods
### allocateRewards
▸ **allocateRewards**<`G`\>(`userAddresses`, `amounts`, `tokenAddress`, `estimateGas?`): `Promise`<[`ReceiptOrEstimate`](../modules.md#receiptorestimate)<`G`\>\>
allocate rewards to address. An approve must exist before calling this function.
#### Type parameters
| Name | Type |
| :------ | :------ |
| `G` | extends `boolean` = ``false`` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `userAddresses` | `string`[] | array of users that will receive rewards |
| `amounts` | `string`[] | array of amounts |
| `tokenAddress` | `string` | token address |
| `estimateGas?` | `G` | if True, return gas estimate |
#### Returns
`Promise`<[`ReceiptOrEstimate`](../modules.md#receiptorestimate)<`G`\>\>
#### Defined in
[contracts/df/DfRewards.ts:64](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/df/DfRewards.ts#L64)
___
### amountToUnits
▸ `Protected` **amountToUnits**(`token`, `amount`, `tokenDecimals?`): `Promise`<`string`\>
Converts an amount of tokens to units
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `token` | `string` | The token to convert |
| `amount` | `string` | The amount of tokens to convert |
| `tokenDecimals?` | `number` | The number of decimals of the token |
#### Returns
`Promise`<`string`\>
- The converted amount in units
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[amountToUnits](SmartContractWithAddress.md#amounttounits)
#### Defined in
[contracts/SmartContract.ts:43](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContract.ts#L43)
___
### claimRewards
▸ **claimRewards**<`G`\>(`userAddress`, `tokenAddress`, `estimateGas?`): `Promise`<[`ReceiptOrEstimate`](../modules.md#receiptorestimate)<`G`\>\>
claim rewards for any address
#### Type parameters
| Name | Type |
| :------ | :------ |
| `G` | extends `boolean` = ``false`` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `userAddress` | `string` | user address to claim |
| `tokenAddress` | `string` | token address |
| `estimateGas?` | `G` | if True, return gas estimate |
#### Returns
`Promise`<[`ReceiptOrEstimate`](../modules.md#receiptorestimate)<`G`\>\>
#### Defined in
[contracts/df/DfRewards.ts:36](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/df/DfRewards.ts#L36)
___
### getAvailableRewards
▸ **getAvailableRewards**(`userAddress`, `tokenAddress`): `Promise`<`string`\>
Get available DF Rewards for a token
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `userAddress` | `string` | user address |
| `tokenAddress` | `string` | token address |
#### Returns
`Promise`<`string`\>
#### Defined in
[contracts/df/DfRewards.ts:19](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/df/DfRewards.ts#L19)
___
### getContract
▸ `Protected` **getContract**(`address`, `abi?`): `Contract`
Returns a contract instance for the given address
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `address` | `string` | The address of the contract |
| `abi?` | [`AbiItem`](../interfaces/AbiItem.md)[] | The ABI of the contract |
#### Returns
`Contract`
- The contract instance
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[getContract](SmartContractWithAddress.md#getcontract)
#### Defined in
[contracts/SmartContract.ts:80](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContract.ts#L80)
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### getDefaultAbi
▸ **getDefaultAbi**(): [`AbiItem`](../interfaces/AbiItem.md)[]
#### Returns
[`AbiItem`](../interfaces/AbiItem.md)[]
#### Overrides
[SmartContractWithAddress](SmartContractWithAddress.md).[getDefaultAbi](SmartContractWithAddress.md#getdefaultabi)
#### Defined in
[contracts/df/DfRewards.ts:10](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/df/DfRewards.ts#L10)
___
### getFairGasPrice
▸ `Protected` **getFairGasPrice**(): `Promise`<`string`\>
Retruns the gas price
#### Returns
`Promise`<`string`\>
- The fair gas price
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[getFairGasPrice](SmartContractWithAddress.md#getfairgasprice)
#### Defined in
[contracts/SmartContract.ts:70](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContract.ts#L70)
___
### unitsToAmount
▸ `Protected` **unitsToAmount**(`token`, `amount`, `tokenDecimals?`): `Promise`<`string`\>
Converts an amount of units to tokens
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `token` | `string` | The token to convert |
| `amount` | `string` | The amount of units to convert |
| `tokenDecimals?` | `number` | The number of decimals in the token |
#### Returns
`Promise`<`string`\>
- The converted amount in tokens
#### Inherited from
[SmartContractWithAddress](SmartContractWithAddress.md).[unitsToAmount](SmartContractWithAddress.md#unitstoamount)
#### Defined in
[contracts/SmartContract.ts:58](https://github.com/oceanprotocol/ocean.js/blob/c99bc5c6/src/contracts/SmartContract.ts#L58)