# CustomPriceProvider\<T>

Defined in: [atomiq-sdk/src/prices/providers/CustomPriceProvider.ts:10](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/providers/CustomPriceProvider.ts#L10)

Price provider using custom pricing function

## Extends

* `IPriceProvider`<`T`>

## Type Parameters

| Type Parameter             |
| -------------------------- |
| `T` *extends* `MultiChain` |

## Constructors

### Constructor

```
new CustomPriceProvider<T>(coinsMap, getUsdPriceFn): CustomPriceProvider<T>;
```

Defined in: [atomiq-sdk/src/prices/providers/CustomPriceProvider.ts:18](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/providers/CustomPriceProvider.ts#L18)

#### Parameters

| Parameter       | Type                                                                                                                       | Description                                                 |
| --------------- | -------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------- |
| `coinsMap`      | `CtorCoinTypes`<`T`>                                                                                                       | Mapping of token tickers to token addresses                 |
| `getUsdPriceFn` | [`CustomPriceFunction`](https://docs.atomiq.exchange/sdk-reference/api/atomiq-sdk/src/type-aliases/CustomPriceFunction.md) | Pricing function, used to retrieve USD prices of the tokens |

#### Returns

`CustomPriceProvider`<`T`>

#### Overrides

```
IPriceProvider<T>.constructor
```

## Properties

### coinsMap

```
coinsMap: CoinTypes<T> = {};
```

Defined in: [atomiq-sdk/src/prices/abstract/IPriceProvider.ts:42](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/abstract/IPriceProvider.ts#L42)

#### Inherited from

```
IPriceProvider.coinsMap
```

***

### getUsdPriceFn

```
readonly getUsdPriceFn: CustomPriceFunction;
```

Defined in: [atomiq-sdk/src/prices/providers/CustomPriceProvider.ts:12](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/providers/CustomPriceProvider.ts#L12)

## Methods

### getPrice()

```
getPrice<C>(

   chainIdentifier, 

   token, 

abortSignal?): Promise<bigint>;
```

Defined in: [atomiq-sdk/src/prices/abstract/IPriceProvider.ts:84](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/abstract/IPriceProvider.ts#L84)

Returns coin price in uSat (microSat)

#### Type Parameters

| Type Parameter         |
| ---------------------- |
| `C` *extends* `string` |

#### Parameters

| Parameter         | Type          | Description |
| ----------------- | ------------- | ----------- |
| `chainIdentifier` | `C`           |             |
| `token`           | `string`      |             |
| `abortSignal?`    | `AbortSignal` |             |

#### Returns

`Promise`<`bigint`>

#### Throws

if token is not found

#### Inherited from

```
IPriceProvider.getPrice
```

***

### getUsdPrice()

```
getUsdPrice(abortSignal?): Promise<number>;
```

Defined in: [atomiq-sdk/src/prices/abstract/IPriceProvider.ts:106](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/abstract/IPriceProvider.ts#L106)

Returns coin price in uSat (microSat)

#### Parameters

| Parameter      | Type          | Description |
| -------------- | ------------- | ----------- |
| `abortSignal?` | `AbortSignal` |             |

#### Returns

`Promise`<`number`>

#### Throws

if token is not found

#### Inherited from

```
IPriceProvider.getUsdPrice
```

***

### fetchPrice()

```
protected fetchPrice(token, abortSignal?): Promise<bigint>;
```

Defined in: [atomiq-sdk/src/prices/providers/CustomPriceProvider.ts:26](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/providers/CustomPriceProvider.ts#L26)

#### Parameters

| Parameter      | Type          |
| -------------- | ------------- |
| `token`        | `CoinType`    |
| `abortSignal?` | `AbortSignal` |

#### Returns

`Promise`<`bigint`>

#### Inherit Doc

#### Overrides

```
IPriceProvider.fetchPrice
```

***

### fetchUsdPrice()

```
protected fetchUsdPrice(abortSignal?): Promise<number>;
```

Defined in: [atomiq-sdk/src/prices/providers/CustomPriceProvider.ts:35](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/providers/CustomPriceProvider.ts#L35)

#### Parameters

| Parameter      | Type          |
| -------------- | ------------- |
| `abortSignal?` | `AbortSignal` |

#### Returns

`Promise`<`number`>

#### Inherit Doc

#### Overrides

```
IPriceProvider.fetchUsdPrice
```

***

### getDecimals()

```
protected getDecimals<C>(chainIdentifier, token): number;
```

Defined in: [atomiq-sdk/src/prices/abstract/IPriceProvider.ts:119](https://github.com/atomiqlabs/atomiq-sdk/blob/786509324f7f09c427e9ccfe527d82e496f06af5/src/prices/abstract/IPriceProvider.ts#L119)

Returns the decimal places of the specified token, or -1 if token should be ignored, returns null if token is not found

#### Type Parameters

| Type Parameter         |
| ---------------------- |
| `C` *extends* `string` |

#### Parameters

| Parameter         | Type     | Description |
| ----------------- | -------- | ----------- |
| `chainIdentifier` | `C`      |             |
| `token`           | `string` |             |

#### Returns

`number`

#### Throws

If token is not found

#### Inherited from

```
IPriceProvider.getDecimals
```