# Class: InsufficientAssetLiquidityError Error class representing insufficient asset liquidity ## Constructors \+ **new InsufficientAssetLiquidityError**(`amountAvailableToFill`: `BigNumber`): *[InsufficientAssetLiquidityError](#class-insufficientassetliquidityerror)* *Defined in [asset-swapper/src/errors.ts:12](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/errors.ts#L12)* **Parameters:** Name | Type | Description | ------ | ------ | ------ | `amountAvailableToFill` | `BigNumber` | The amount availabe to fill (in base units) factoring in slippage | **Returns:** *[InsufficientAssetLiquidityError](#class-insufficientassetliquidityerror)* ## Properties ### amountAvailableToFill • **amountAvailableToFill**: *`BigNumber`* *Defined in [asset-swapper/src/errors.ts:12](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/errors.ts#L12)* The amount availabe to fill (in base units) factoring in slippage. ___ ### message • **message**: *string* ___ ### name • **name**: *string* ___ ### `Optional` stack • **stack**? : *undefined | string* *Overrides void* ___ ### `Static` Error ▪ **Error**: *`ErrorConstructor`*
# Class: SwapQuoteConsumer ## Implements * [SwapQuoteConsumerBase](#interface-swapquoteconsumerbase)‹*[SmartContractParams](#smartcontractparams)*› ## Constructors \+ **new SwapQuoteConsumer**(`supportedProvider`: [SupportedProvider](#supportedprovider), `options`: `Partial`): *[SwapQuoteConsumer](#class-swapquoteconsumer)* *Defined in [asset-swapper/src/quote_consumers/swap_quote_consumer.ts:31](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/quote_consumers/swap_quote_consumer.ts#L31)* **Parameters:** Name | Type | Default | ------ | ------ | ------ | `supportedProvider` | [SupportedProvider](#supportedprovider) | - | `options` | `Partial` | {} | **Returns:** *[SwapQuoteConsumer](#class-swapquoteconsumer)* ## Properties ### networkId • **networkId**: *number* *Defined in [asset-swapper/src/quote_consumers/swap_quote_consumer.ts:27](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/quote_consumers/swap_quote_consumer.ts#L27)* ___ ### provider • **provider**: *`ZeroExProvider`* *Defined in [asset-swapper/src/quote_consumers/swap_quote_consumer.ts:26](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/quote_consumers/swap_quote_consumer.ts#L26)* ## Methods ### executeSwapQuoteOrThrowAsync ▸ **executeSwapQuoteOrThrowAsync**(`quote`: [SwapQuote](#swapquote), `opts`: `Partial`): *`Promise`* *Implementation of [SwapQuoteConsumerBase](#interface-swapquoteconsumerbase)* *Defined in [asset-swapper/src/quote_consumers/swap_quote_consumer.ts:81](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/quote_consumers/swap_quote_consumer.ts#L81)* Given a SwapQuote and desired rate (in takerAsset), attempt to execute the swap. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `quote` | [SwapQuote](#swapquote) | - | An object that conforms to SwapQuote. See type definition for more information. | `opts` | `Partial` | {} | Options for getting CalldataInfo. See type definition for more information. | **Returns:** *`Promise`* ___ ### getCalldataOrThrowAsync ▸ **getCalldataOrThrowAsync**(`quote`: [SwapQuote](#swapquote), `opts`: `Partial`): *`Promise`* *Implementation of [SwapQuoteConsumerBase](#interface-swapquoteconsumerbase)* *Defined in [asset-swapper/src/quote_consumers/swap_quote_consumer.ts:53](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/quote_consumers/swap_quote_consumer.ts#L53)* Given a SwapQuote, returns 'CalldataInfo' for a 0x exchange call. See type definition of CalldataInfo for more information. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `quote` | [SwapQuote](#swapquote) | - | An object that conforms to SwapQuote. See type definition for more information. | `opts` | `Partial` | {} | Options for getting SmartContractParams. See type definition for more information. | **Returns:** *`Promise`* ___ ### getOptimalExtensionContractTypeAsync ▸ **getOptimalExtensionContractTypeAsync**(`quote`: [SwapQuote](#swapquote), `opts`: `Partial`): *`Promise`* *Defined in [asset-swapper/src/quote_consumers/swap_quote_consumer.ts:90](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/quote_consumers/swap_quote_consumer.ts#L90)* **Parameters:** Name | Type | Default | ------ | ------ | ------ | `quote` | [SwapQuote](#swapquote) | - | `opts` | `Partial` | {} | **Returns:** *`Promise`* ___ ### getSmartContractParamsOrThrowAsync ▸ **getSmartContractParamsOrThrowAsync**(`quote`: [SwapQuote](#swapquote), `opts`: `Partial`): *`Promise>`* *Implementation of [SwapQuoteConsumerBase](#interface-swapquoteconsumerbase)* *Defined in [asset-swapper/src/quote_consumers/swap_quote_consumer.ts:67](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/quote_consumers/swap_quote_consumer.ts#L67)* Given a SwapQuote, returns 'SmartContractParamsInfo' for a 0x exchange call. See type definition of SmartContractParamsInfo for more information. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `quote` | [SwapQuote](#swapquote) | - | An object that conforms to SwapQuote. See type definition for more information. | `opts` | `Partial` | {} | Options for getting SmartContractParams. See type definition for more information. | **Returns:** *`Promise>`*
# Class: SwapQuoter ## Constructors \+ **new SwapQuoter**(`supportedProvider`: [SupportedProvider](#supportedprovider), `orderbook`: `Orderbook`, `options`: `Partial`): *[SwapQuoter](#class-swapquoter)* *Defined in [asset-swapper/src/swap_quoter.ts:126](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L126)* Instantiates a new SwapQuoter instance **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `supportedProvider` | [SupportedProvider](#supportedprovider) | - | The Provider instance you would like to use for interacting with the Ethereum network. | `orderbook` | `Orderbook` | - | An object that conforms to Orderbook, see type for definition. | `options` | `Partial` | {} | Initialization options for the SwapQuoter. See type definition for details. | **Returns:** *[SwapQuoter](#class-swapquoter)* An instance of SwapQuoter ## Properties ### expiryBufferMs • **expiryBufferMs**: *number* *Defined in [asset-swapper/src/swap_quoter.ts:30](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L30)* ___ ### orderbook • **orderbook**: *`Orderbook`* *Defined in [asset-swapper/src/swap_quoter.ts:29](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L29)* ___ ### provider • **provider**: *`ZeroExProvider`* *Defined in [asset-swapper/src/swap_quoter.ts:28](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L28)* ## Methods ### destroyAsync ▸ **destroyAsync**(): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:391](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L391)* Destroys any subscriptions or connections. **Returns:** *`Promise`* ___ ### getAvailableMakerAssetDatasAsync ▸ **getAvailableMakerAssetDatasAsync**(`takerAssetData`: string): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:309](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L309)* Get the asset data of all assets that are purchaseable with takerAssetData in the order provider passed in at init. **Parameters:** Name | Type | ------ | ------ | `takerAssetData` | string | **Returns:** *`Promise`* An array of asset data strings that are purchaseable with takerAssetData. ___ ### getAvailableTakerAssetDatasAsync ▸ **getAvailableTakerAssetDatasAsync**(`makerAssetData`: string): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:294](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L294)* Get the asset data of all assets that can be used to purchase makerAssetData in the order provider passed in at init. **Parameters:** Name | Type | ------ | ------ | `makerAssetData` | string | **Returns:** *`Promise`* An array of asset data strings that can purchase makerAssetData. ___ ### getLiquidityForMakerTakerAssetDataPairAsync ▸ **getLiquidityForMakerTakerAssetDataPairAsync**(`makerAssetData`: string, `takerAssetData`: string): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:268](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L268)* Returns information about available liquidity for an asset Does not factor in slippage or fees **Parameters:** Name | Type | Description | ------ | ------ | ------ | `makerAssetData` | string | The makerAssetData of the desired asset to swap for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | `takerAssetData` | string | The takerAssetData of the asset to swap makerAssetData for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | **Returns:** *`Promise`* An object that conforms to LiquidityForAssetData that satisfies the request. See type definition for more information. ___ ### getMarketBuySwapQuoteAsync ▸ **getMarketBuySwapQuoteAsync**(`makerTokenAddress`: string, `takerTokenAddress`: string, `makerAssetBuyAmount`: `BigNumber`, `options`: `Partial`): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:210](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L210)* Get a `SwapQuote` containing all information relevant to fulfilling a swap between a desired ERC20 token address and ERC20 owned by a provided address. You can then pass the `SwapQuote` to a `SwapQuoteConsumer` to execute a buy, or process SwapQuote for on-chain consumption. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `makerTokenAddress` | string | - | The address of the maker asset | `takerTokenAddress` | string | - | The address of the taker asset | `makerAssetBuyAmount` | `BigNumber` | - | The amount of maker asset to swap for. | `options` | `Partial` | {} | Options for the request. See type definition for more information. | **Returns:** *`Promise`* An object that conforms to SwapQuote that satisfies the request. See type definition for more information. ___ ### getMarketBuySwapQuoteForAssetDataAsync ▸ **getMarketBuySwapQuoteForAssetDataAsync**(`makerAssetData`: string, `takerAssetData`: string, `makerAssetBuyAmount`: `BigNumber`, `options`: `Partial`): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:185](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L185)* Get a `SwapQuote` containing all information relevant to fulfilling a swap between a desired ERC20 token address and ERC20 owned by a provided address. You can then pass the `SwapQuote` to a `SwapQuoteConsumer` to execute a buy, or process SwapQuote for on-chain consumption. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `makerAssetData` | string | - | The makerAssetData of the desired asset to swap for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | `takerAssetData` | string | - | The takerAssetData of the asset to swap makerAssetData for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | `makerAssetBuyAmount` | `BigNumber` | - | The amount of maker asset to swap for. | `options` | `Partial` | {} | Options for the request. See type definition for more information. | **Returns:** *`Promise`* An object that conforms to SwapQuote that satisfies the request. See type definition for more information. ___ ### getMarketSellSwapQuoteAsync ▸ **getMarketSellSwapQuoteAsync**(`makerTokenAddress`: string, `takerTokenAddress`: string, `takerAssetSellAmount`: `BigNumber`, `options`: `Partial`): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:240](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L240)* Get a `SwapQuote` containing all information relevant to fulfilling a swap between a desired ERC20 token address and ERC20 owned by a provided address. You can then pass the `SwapQuote` to a `SwapQuoteConsumer` to execute a buy, or process SwapQuote for on-chain consumption. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `makerTokenAddress` | string | - | The address of the maker asset | `takerTokenAddress` | string | - | The address of the taker asset | `takerAssetSellAmount` | `BigNumber` | - | The amount of taker asset to sell. | `options` | `Partial` | {} | Options for the request. See type definition for more information. | **Returns:** *`Promise`* An object that conforms to SwapQuote that satisfies the request. See type definition for more information. ___ ### getMarketSellSwapQuoteForAssetDataAsync ▸ **getMarketSellSwapQuoteForAssetDataAsync**(`makerAssetData`: string, `takerAssetData`: string, `takerAssetSellAmount`: `BigNumber`, `options`: `Partial`): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:159](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L159)* Get a `SwapQuote` containing all information relevant to fulfilling a swap between a desired ERC20 token address and ERC20 owned by a provided address. You can then pass the `SwapQuote` to a `SwapQuoteConsumer` to execute a buy, or process SwapQuote for on-chain consumption. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `makerAssetData` | string | - | The makerAssetData of the desired asset to swap for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | `takerAssetData` | string | - | The takerAssetData of the asset to swap makerAssetData for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | `takerAssetSellAmount` | `BigNumber` | - | The amount of taker asset to swap for. | `options` | `Partial` | {} | Options for the request. See type definition for more information. | **Returns:** *`Promise`* An object that conforms to SwapQuote that satisfies the request. See type definition for more information. ___ ### getOrdersAndFillableAmountsAsync ▸ **getOrdersAndFillableAmountsAsync**(`makerAssetData`: string, `takerAssetData`: string): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:341](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L341)* Grab orders from the map, if there is a miss or it is time to refresh, fetch and process the orders **Parameters:** Name | Type | Description | ------ | ------ | ------ | `makerAssetData` | string | The makerAssetData of the desired asset to swap for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | `takerAssetData` | string | The takerAssetData of the asset to swap makerAssetData for (for more info: https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md). | **Returns:** *`Promise`* ___ ### isTakerAddressAllowanceEnoughForBestAndWorstQuoteInfoAsync ▸ **isTakerAddressAllowanceEnoughForBestAndWorstQuoteInfoAsync**(`swapQuote`: [SwapQuote](#swapquote), `takerAddress`: string): *`Promise<[boolean, boolean]>`* *Defined in [asset-swapper/src/swap_quoter.ts:372](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L372)* Util function to check if takerAddress's allowance is enough for 0x exchange contracts to conduct the swap specified by the swapQuote. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `swapQuote` | [SwapQuote](#swapquote) | The swapQuote in question to check enough allowance enabled for 0x exchange contracts to conduct the swap. | `takerAddress` | string | The address of the taker of the provided swapQuote | **Returns:** *`Promise<[boolean, boolean]>`* ___ ### isTakerMakerAssetDataPairAvailableAsync ▸ **isTakerMakerAssetDataPairAvailableAsync**(`makerAssetData`: string, `takerAssetData`: string): *`Promise`* *Defined in [asset-swapper/src/swap_quoter.ts:324](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L324)* Validates the taker + maker asset pair is available from the order provider provided to `SwapQuote`. **Parameters:** Name | Type | ------ | ------ | `makerAssetData` | string | `takerAssetData` | string | **Returns:** *`Promise`* A boolean on if the taker, maker pair exists ___ ### `Static` getSwapQuoterForMeshEndpoint ▸ **getSwapQuoterForMeshEndpoint**(`supportedProvider`: [SupportedProvider](#supportedprovider), `meshEndpoint`: string, `options`: `Partial`): *[SwapQuoter](#class-swapquoter)* *Defined in [asset-swapper/src/swap_quoter.ts:113](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L113)* Instantiates a new SwapQuoter instance given a 0x Mesh endpoint. This pulls all available liquidity stored in Mesh **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `supportedProvider` | [SupportedProvider](#supportedprovider) | - | The Provider instance you would like to use for interacting with the Ethereum network. | `meshEndpoint` | string | - | The standard relayer API base HTTP url you would like to source orders from. | `options` | `Partial` | {} | Initialization options for the SwapQuoter. See type definition for details. | **Returns:** *[SwapQuoter](#class-swapquoter)* An instance of SwapQuoter ___ ### `Static` getSwapQuoterForProvidedOrders ▸ **getSwapQuoterForProvidedOrders**(`supportedProvider`: [SupportedProvider](#supportedprovider), `orders`: `SignedOrder`[], `options`: `Partial`): *[SwapQuoter](#class-swapquoter)* *Defined in [asset-swapper/src/swap_quoter.ts:41](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L41)* Instantiates a new SwapQuoter instance given existing liquidity in the form of orders and feeOrders. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `supportedProvider` | [SupportedProvider](#supportedprovider) | - | The Provider instance you would like to use for interacting with the Ethereum network. | `orders` | `SignedOrder`[] | - | A non-empty array of objects that conform to SignedOrder. All orders must have the same makerAssetData and takerAssetData. | `options` | `Partial` | {} | Initialization options for the SwapQuoter. See type definition for details. | **Returns:** *[SwapQuoter](#class-swapquoter)* An instance of SwapQuoter ___ ### `Static` getSwapQuoterForStandardRelayerAPIUrl ▸ **getSwapQuoterForStandardRelayerAPIUrl**(`supportedProvider`: [SupportedProvider](#supportedprovider), `sraApiUrl`: string, `options`: `Partial`): *[SwapQuoter](#class-swapquoter)* *Defined in [asset-swapper/src/swap_quoter.ts:61](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L61)* Instantiates a new SwapQuoter instance given a [Standard Relayer API](https://github.com/0xProject/standard-relayer-api) endpoint **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `supportedProvider` | [SupportedProvider](#supportedprovider) | - | The Provider instance you would like to use for interacting with the Ethereum network. | `sraApiUrl` | string | - | The standard relayer API base HTTP url you would like to source orders from. | `options` | `Partial` | {} | Initialization options for the SwapQuoter. See type definition for details. | **Returns:** *[SwapQuoter](#class-swapquoter)* An instance of SwapQuoter ___ ### `Static` getSwapQuoterForStandardRelayerAPIWebsocket ▸ **getSwapQuoterForStandardRelayerAPIWebsocket**(`supportedProvider`: [SupportedProvider](#supportedprovider), `sraApiUrl`: string, `sraWebsocketAPIUrl`: string, `options`: `Partial`): *[SwapQuoter](#class-swapquoter)* *Defined in [asset-swapper/src/swap_quoter.ts:88](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/swap_quoter.ts#L88)* Instantiates a new SwapQuoter instance given a [Standard Relayer API](https://github.com/0xProject/standard-relayer-api) endpoint and a websocket endpoint. This is more effecient than `getSwapQuoterForStandardRelayerAPIUrl` when requesting multiple quotes. **Parameters:** Name | Type | Default | Description | ------ | ------ | ------ | ------ | `supportedProvider` | [SupportedProvider](#supportedprovider) | - | The Provider instance you would like to use for interacting with the Ethereum network. | `sraApiUrl` | string | - | The standard relayer API base HTTP url you would like to source orders from. | `sraWebsocketAPIUrl` | string | - | - | `options` | `Partial` | {} | Initialization options for the SwapQuoter. See type definition for details. | **Returns:** *[SwapQuoter](#class-swapquoter)* An instance of SwapQuoter
# Class: BaseOrderProvider ## Constructors \+ **new BaseOrderProvider**(`orderStore`: [OrderStore](_orderbook_src_order_store_.orderstore.md)): *[BaseOrderProvider](#class-baseorderprovider)* *Defined in [orderbook/src/order_provider/base_order_provider.ts:12](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_provider/base_order_provider.ts#L12)* **Parameters:** Name | Type | ------ | ------ | `orderStore` | [OrderStore](#class-orderstore) | **Returns:** *[BaseOrderProvider](#class-baseorderprovider)* ## Properties ### _orderStore • **_orderStore**: *[OrderStore](#class-orderstore)* *Defined in [orderbook/src/order_provider/base_order_provider.ts:12](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_provider/base_order_provider.ts#L12)* ## Methods ### `Abstract` addOrdersAsync ▸ **addOrdersAsync**(`orders`: `SignedOrder`[]): *`Promise`* *Defined in [orderbook/src/order_provider/base_order_provider.ts:27](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_provider/base_order_provider.ts#L27)* **Parameters:** Name | Type | ------ | ------ | `orders` | `SignedOrder`[] | **Returns:** *`Promise`* ___ ### `Abstract` createSubscriptionForAssetPairAsync ▸ **createSubscriptionForAssetPairAsync**(`makerAssetData`: string, `takerAssetData`: string): *`Promise`* *Defined in [orderbook/src/order_provider/base_order_provider.ts:18](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_provider/base_order_provider.ts#L18)* **Parameters:** Name | Type | ------ | ------ | `makerAssetData` | string | `takerAssetData` | string | **Returns:** *`Promise`* ___ ### `Abstract` destroyAsync ▸ **destroyAsync**(): *`Promise`* *Defined in [orderbook/src/order_provider/base_order_provider.ts:25](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_provider/base_order_provider.ts#L25)* **Returns:** *`Promise`* ___ ### `Abstract` getAvailableAssetDatasAsync ▸ **getAvailableAssetDatasAsync**(): *`Promise`* *Defined in [orderbook/src/order_provider/base_order_provider.ts:23](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_provider/base_order_provider.ts#L23)* **Returns:** *`Promise`*
# Class: OrderSet ## Constructors \+ **new OrderSet**(`orders`: `APIOrder`[]): *[OrderSet](#class-orderset)* *Defined in [orderbook/src/order_set.ts:6](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L6)* **Parameters:** Name | Type | Default | ------ | ------ | ------ | `orders` | `APIOrder`[] | [] | **Returns:** *[OrderSet](#class-orderset)* ## Methods ### add ▸ **add**(`item`: `APIOrder`): *void* *Defined in [orderbook/src/order_set.ts:19](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L19)* **Parameters:** Name | Type | ------ | ------ | `item` | `APIOrder` | **Returns:** *void* ___ ### addMany ▸ **addMany**(`items`: `APIOrder`[]): *void* *Defined in [orderbook/src/order_set.ts:25](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L25)* **Parameters:** Name | Type | ------ | ------ | `items` | `APIOrder`[] | **Returns:** *void* ___ ### delete ▸ **delete**(`item`: `APIOrder`): *boolean* *Defined in [orderbook/src/order_set.ts:57](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L57)* **Parameters:** Name | Type | ------ | ------ | `item` | `APIOrder` | **Returns:** *boolean* ___ ### deleteMany ▸ **deleteMany**(`items`: `APIOrder`[]): *void* *Defined in [orderbook/src/order_set.ts:61](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L61)* **Parameters:** Name | Type | ------ | ------ | `items` | `APIOrder`[] | **Returns:** *void* ___ ### diff ▸ **diff**(`other`: [OrderSet](#class-orderset)): *object* *Defined in [orderbook/src/order_set.ts:35](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L35)* **Parameters:** Name | Type | ------ | ------ | `other` | [OrderSet](#class-orderset) | **Returns:** *object* ___ ### has ▸ **has**(`order`: `APIOrder`): *boolean* *Defined in [orderbook/src/order_set.ts:31](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L31)* **Parameters:** Name | Type | ------ | ------ | `order` | `APIOrder` | **Returns:** *boolean* ___ ### size ▸ **size**(): *number* *Defined in [orderbook/src/order_set.ts:15](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L15)* **Returns:** *number* ___ ### values ▸ **values**(): *`IterableIterator`* *Defined in [orderbook/src/order_set.ts:53](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_set.ts#L53)* **Returns:** *`IterableIterator`*
# Class: OrderStore ## Methods ### getOrderSetForAssetPair ▸ **getOrderSetForAssetPair**(`assetPairKey`: string): *[OrderSet](#class-orderset)* *Defined in [orderbook/src/order_store.ts:19](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L19)* **Parameters:** Name | Type | ------ | ------ | `assetPairKey` | string | **Returns:** *[OrderSet](#class-orderset)* ___ ### getOrderSetForAssets ▸ **getOrderSetForAssets**(`makerAssetData`: string, `takerAssetData`: string): *[OrderSet](#class-orderset)* *Defined in [orderbook/src/order_store.ts:15](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L15)* **Parameters:** Name | Type | ------ | ------ | `makerAssetData` | string | `takerAssetData` | string | **Returns:** *[OrderSet](#class-orderset)* ___ ### has ▸ **has**(`assetPairKey`: string): *boolean* *Defined in [orderbook/src/order_store.ts:34](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L34)* **Parameters:** Name | Type | ------ | ------ | `assetPairKey` | string | **Returns:** *boolean* ___ ### keys ▸ **keys**(): *`IterableIterator`* *Defined in [orderbook/src/order_store.ts:40](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L40)* **Returns:** *`IterableIterator`* ___ ### update ▸ **update**(`addedRemoved`: [AddedRemovedOrders](#interface-addedremovedorders)): *void* *Defined in [orderbook/src/order_store.ts:28](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L28)* **Parameters:** Name | Type | ------ | ------ | `addedRemoved` | [AddedRemovedOrders](#interface-addedremovedorders) | **Returns:** *void* ___ ### values ▸ **values**(`assetPairKey`: string): *`APIOrder`[]* *Defined in [orderbook/src/order_store.ts:37](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L37)* **Parameters:** Name | Type | ------ | ------ | `assetPairKey` | string | **Returns:** *`APIOrder`[]* ___ ### `Static` assetPairKeyToAssets ▸ **assetPairKeyToAssets**(`assetPairKey`: string): *string[]* *Defined in [orderbook/src/order_store.ts:12](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L12)* **Parameters:** Name | Type | ------ | ------ | `assetPairKey` | string | **Returns:** *string[]* ___ ### `Static` getKeyForAssetPair ▸ **getKeyForAssetPair**(`makerAssetData`: string, `takerAssetData`: string): *string* *Defined in [orderbook/src/order_store.ts:9](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_store.ts#L9)* **Parameters:** Name | Type | ------ | ------ | `makerAssetData` | string | `takerAssetData` | string | **Returns:** *string*
# Class: Orderbook ## Constructors \+ **new Orderbook**(`orderProvider`: [BaseOrderProvider](_orderbook_src_order_provider_base_order_provider_.baseorderprovider.md), `orderStore`: [OrderStore](_orderbook_src_order_store_.orderstore.md)): *[Orderbook](#class-orderbook)* *Defined in [orderbook/src/orderbook.ts:55](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L55)* Creates an Orderbook with the order provider. All order updates are stored in the `OrderStore`. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `orderProvider` | [BaseOrderProvider](#class-baseorderprovider) | the order provider, e.g SRAWebbsocketOrderProvider | `orderStore` | [OrderStore](#class-orderstore) | the order store where orders are added and deleted | **Returns:** *[Orderbook](#class-orderbook)* ## Methods ### addOrdersAsync ▸ **addOrdersAsync**(`orders`: `SignedOrder`[]): *`Promise`* *Defined in [orderbook/src/orderbook.ts:98](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L98)* Adds the orders to the Order Provider. All accepted orders will be returned and rejected orders will be returned with an message indicating a reason for its rejection **Parameters:** Name | Type | Description | ------ | ------ | ------ | `orders` | `SignedOrder`[] | The set of Orders to add to the Order Provider | **Returns:** *`Promise`* ___ ### destroyAsync ▸ **destroyAsync**(): *`Promise`* *Defined in [orderbook/src/orderbook.ts:104](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L104)* Destroys any subscriptions or connections. **Returns:** *`Promise`* ___ ### getAvailableAssetDatasAsync ▸ **getAvailableAssetDatasAsync**(): *`Promise`* *Defined in [orderbook/src/orderbook.ts:90](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L90)* Returns all of the Available Asset Pairs for the provided Order Provider. **Returns:** *`Promise`* ___ ### getOrdersAsync ▸ **getOrdersAsync**(`makerAssetData`: string, `takerAssetData`: string): *`Promise`* *Defined in [orderbook/src/orderbook.ts:75](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L75)* Returns all orders where the order.makerAssetData == makerAssetData and order.takerAssetData == takerAssetData. This pair is then subscribed to and all future updates will be stored. The first request to `getOrdersAsync` might fetch the orders from the Order Provider and create a subscription. Subsequent requests will be quick and up to date and synced with the Order Provider state. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `makerAssetData` | string | the maker asset data | `takerAssetData` | string | the taker asset data | **Returns:** *`Promise`* ___ ### `Static` getOrderbookForMeshProvider ▸ **getOrderbookForMeshProvider**(`opts`: [MeshOrderProviderOpts](#interface-meshorderprovideropts)): *[Orderbook](#class-orderbook)* *Defined in [orderbook/src/orderbook.ts:52](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L52)* Creates an Orderbook with a Mesh Order Provider. This Provider fetches ALL orders and subscribes to updates on ALL orders. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `opts` | [MeshOrderProviderOpts](#interface-meshorderprovideropts) | the `MeshOrderProviderOpts` | **Returns:** *[Orderbook](#class-orderbook)* ___ ### `Static` getOrderbookForPollingProvider ▸ **getOrderbookForPollingProvider**(`opts`: [SRAPollingOrderProviderOpts](#interface-srapollingorderprovideropts)): *[Orderbook](#class-orderbook)* *Defined in [orderbook/src/orderbook.ts:43](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L43)* Creates an Orderbook with SRA Polling Provider. This Provider simply polls every interval. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `opts` | [SRAPollingOrderProviderOpts](#interface-srapollingorderprovideropts) | the `SRAPollingOrderProviderOpts` | **Returns:** *[Orderbook](#class-orderbook)* ___ ### `Static` getOrderbookForProvidedOrders ▸ **getOrderbookForProvidedOrders**(`orders`: `SignedOrder`[]): *[Orderbook](#class-orderbook)* *Defined in [orderbook/src/orderbook.ts:26](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L26)* Creates an Orderbook with the provided orders. This provider simply stores the orders and allows querying. No validation or subscriptions occur. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `orders` | `SignedOrder`[] | the set of SignedOrders | **Returns:** *[Orderbook](#class-orderbook)* ___ ### `Static` getOrderbookForWebsocketProvider ▸ **getOrderbookForWebsocketProvider**(`opts`: [SRAWebsocketOrderProviderOpts](#interface-srawebsocketorderprovideropts)): *[Orderbook](#class-orderbook)* *Defined in [orderbook/src/orderbook.ts:35](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/orderbook.ts#L35)* Creates an Orderbook with the SRA Websocket Provider. This Provider fetches orders via the SRA http endpoint and then subscribes to the asset pair for future updates. **Parameters:** Name | Type | Description | ------ | ------ | ------ | `opts` | [SRAWebsocketOrderProviderOpts](#interface-srawebsocketorderprovideropts) | the `SRAWebsocketOrderProviderOpts` | **Returns:** *[Orderbook](#class-orderbook)*
# Enumeration: ExtensionContractType Represents the varying smart contracts that can consume a valid swap quote ## Enumeration members ### Forwarder • **Forwarder**: = "FORWARDER" *Defined in [asset-swapper/src/types.ts:90](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L90)* ___ ### None • **None**: = "NONE" *Defined in [asset-swapper/src/types.ts:91](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L91)*
# Enumeration: SwapQuoterError Possible error messages thrown by an SwapQuoter instance or associated static methods. ## Enumeration members ### AssetUnavailable • **AssetUnavailable**: = "ASSET_UNAVAILABLE" *Defined in [asset-swapper/src/types.ts:305](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L305)* ___ ### FeeAssetUnavailable • **FeeAssetUnavailable**: = "FEE_ASSET_UNAVAILABLE" *Defined in [asset-swapper/src/types.ts:306](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L306)* ___ ### InsufficientAssetLiquidity • **InsufficientAssetLiquidity**: = "INSUFFICIENT_ASSET_LIQUIDITY" *Defined in [asset-swapper/src/types.ts:302](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L302)* ___ ### InsufficientZrxLiquidity • **InsufficientZrxLiquidity**: = "INSUFFICIENT_ZRX_LIQUIDITY" *Defined in [asset-swapper/src/types.ts:303](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L303)* ___ ### InvalidOrderProviderResponse • **InvalidOrderProviderResponse**: = "INVALID_ORDER_PROVIDER_RESPONSE" *Defined in [asset-swapper/src/types.ts:304](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L304)* ___ ### NoEtherTokenContractFound • **NoEtherTokenContractFound**: = "NO_ETHER_TOKEN_CONTRACT_FOUND" *Defined in [asset-swapper/src/types.ts:299](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L299)* ___ ### NoZrxTokenContractFound • **NoZrxTokenContractFound**: = "NO_ZRX_TOKEN_CONTRACT_FOUND" *Defined in [asset-swapper/src/types.ts:300](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L300)* ___ ### StandardRelayerApiError • **StandardRelayerApiError**: = "STANDARD_RELAYER_API_ERROR" *Defined in [asset-swapper/src/types.ts:301](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L301)*
# Interface: CalldataInfo Represents the metadata to call a smart contract with calldata. calldataHexString: The hexstring of the calldata. methodAbi: The ABI of the smart contract method to call. toAddress: The contract address to call. ethAmount: If provided, the eth amount in wei to send with the smart contract call. ## Properties ### calldataHexString • **calldataHexString**: *string* *Defined in [asset-swapper/src/types.ts:39](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L39)* ___ ### `Optional` ethAmount • **ethAmount**? : *`BigNumber`* *Defined in [asset-swapper/src/types.ts:42](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L42)* ___ ### methodAbi • **methodAbi**: *`MethodAbi`* *Defined in [asset-swapper/src/types.ts:40](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L40)* ___ ### toAddress • **toAddress**: *string* *Defined in [asset-swapper/src/types.ts:41](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L41)*
# Interface: ForwarderSwapQuoteExecutionOpts ## Properties ### `Optional` ethAmount • **ethAmount**? : *`BigNumber`* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[ethAmount](#optional-ethamount)* *Defined in [asset-swapper/src/types.ts:181](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L181)* ___ ### feePercentage • **feePercentage**: *number* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[feePercentage](#feepercentage)* *Defined in [asset-swapper/src/types.ts:179](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L179)* ___ ### feeRecipient • **feeRecipient**: *string* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[feeRecipient](#feerecipient)* *Defined in [asset-swapper/src/types.ts:180](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L180)* ___ ### `Optional` gasLimit • **gasLimit**? : *undefined | number* *Inherited from [SwapQuoteExecutionOptsBase](#interface-swapquoteexecutionoptsbase).[gasLimit](#optional-gaslimit)* *Defined in [asset-swapper/src/types.ts:169](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L169)* ___ ### `Optional` gasPrice • **gasPrice**? : *`BigNumber`* *Inherited from [SwapQuoteExecutionOptsBase](#interface-swapquoteexecutionoptsbase).[gasPrice](#optional-gasprice)* *Defined in [asset-swapper/src/types.ts:170](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L170)* ___ ### `Optional` takerAddress • **takerAddress**? : *undefined | string* *Inherited from [SwapQuoteExecutionOptsBase](#interface-swapquoteexecutionoptsbase).[takerAddress](#optional-takeraddress)* *Defined in [asset-swapper/src/types.ts:168](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L168)*
# Interface: ForwarderSwapQuoteGetOutputOpts feePercentage: percentage (up to 5%) of the taker asset paid to feeRecipient feeRecipient: address of the receiver of the feePercentage of taker asset ethAmount: The amount of eth (in Wei) sent to the forwarder contract. ## Properties ### `Optional` ethAmount • **ethAmount**? : *`BigNumber`* *Defined in [asset-swapper/src/types.ts:181](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L181)* ___ ### feePercentage • **feePercentage**: *number* *Defined in [asset-swapper/src/types.ts:179](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L179)* ___ ### feeRecipient • **feeRecipient**: *string* *Defined in [asset-swapper/src/types.ts:180](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L180)*
# Interface: GetExtensionContractTypeOpts ## Properties ### `Optional` ethAmount • **ethAmount**? : *`BigNumber`* *Defined in [asset-swapper/src/types.ts:188](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L188)* ___ ### `Optional` takerAddress • **takerAddress**? : *undefined | string* *Defined in [asset-swapper/src/types.ts:187](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L187)*
# Interface: LiquidityForAssetData Represents available liquidity for a given assetData ## Properties ### makerTokensAvailableInBaseUnits • **makerTokensAvailableInBaseUnits**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:322](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L322)* ___ ### takerTokensAvailableInBaseUnits • **takerTokensAvailableInBaseUnits**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:323](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L323)*
# Interface: MarketBuySwapQuote makerAssetFillAmount: The amount of makerAsset bought with takerAsset. type: Specified MarketOperation the SwapQuote is provided for ## Properties ### bestCaseQuoteInfo • **bestCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[bestCaseQuoteInfo](#bestcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:219](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L219)* ___ ### feeOrders • **feeOrders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[feeOrders](#feeorders)* *Defined in [asset-swapper/src/types.ts:218](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L218)* ___ ### makerAssetData • **makerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[makerAssetData](#makerassetdata)* *Defined in [asset-swapper/src/types.ts:216](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L216)* ___ ### makerAssetFillAmount • **makerAssetFillAmount**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:237](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L237)* ___ ### orders • **orders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[orders](#orders)* *Defined in [asset-swapper/src/types.ts:217](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L217)* ___ ### takerAssetData • **takerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[takerAssetData](#takerassetdata)* *Defined in [asset-swapper/src/types.ts:215](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L215)* ___ ### type • **type**: *`Buy`* *Defined in [asset-swapper/src/types.ts:238](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L238)* ___ ### worstCaseQuoteInfo • **worstCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[worstCaseQuoteInfo](#worstcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:220](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L220)*
# Interface: MarketBuySwapQuoteWithAffiliateFee ## Properties ### bestCaseQuoteInfo • **bestCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[bestCaseQuoteInfo](#bestcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:219](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L219)* ___ ### feeOrders • **feeOrders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[feeOrders](#feeorders)* *Defined in [asset-swapper/src/types.ts:218](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L218)* ___ ### feePercentage • **feePercentage**: *number* *Inherited from [SwapQuoteWithAffiliateFeeBase](#interface-swapquotewithaffiliatefeebase).[feePercentage](#feepercentage)* *Defined in [asset-swapper/src/types.ts:242](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L242)* ___ ### makerAssetData • **makerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[makerAssetData](#makerassetdata)* *Defined in [asset-swapper/src/types.ts:216](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L216)* ___ ### makerAssetFillAmount • **makerAssetFillAmount**: *`BigNumber`* *Inherited from [MarketBuySwapQuote](#interface-marketbuyswapquote).[makerAssetFillAmount](#makerassetfillamount)* *Defined in [asset-swapper/src/types.ts:237](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L237)* ___ ### orders • **orders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[orders](#orders)* *Defined in [asset-swapper/src/types.ts:217](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L217)* ___ ### takerAssetData • **takerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[takerAssetData](#takerassetdata)* *Defined in [asset-swapper/src/types.ts:215](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L215)* ___ ### type • **type**: *`Buy`* *Inherited from [MarketBuySwapQuote](#interface-marketbuyswapquote).[type](#type)* *Defined in [asset-swapper/src/types.ts:238](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L238)* ___ ### worstCaseQuoteInfo • **worstCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[worstCaseQuoteInfo](#worstcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:220](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L220)*
# Interface: MarketSellSwapQuote takerAssetFillAmount: The amount of takerAsset sold for makerAsset. type: Specified MarketOperation the SwapQuote is provided for ## Properties ### bestCaseQuoteInfo • **bestCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[bestCaseQuoteInfo](#bestcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:219](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L219)* ___ ### feeOrders • **feeOrders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[feeOrders](#feeorders)* *Defined in [asset-swapper/src/types.ts:218](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L218)* ___ ### makerAssetData • **makerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[makerAssetData](#makerassetdata)* *Defined in [asset-swapper/src/types.ts:216](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L216)* ___ ### orders • **orders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[orders](#orders)* *Defined in [asset-swapper/src/types.ts:217](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L217)* ___ ### takerAssetData • **takerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[takerAssetData](#takerassetdata)* *Defined in [asset-swapper/src/types.ts:215](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L215)* ___ ### takerAssetFillAmount • **takerAssetFillAmount**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:228](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L228)* ___ ### type • **type**: *`Sell`* *Defined in [asset-swapper/src/types.ts:229](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L229)* ___ ### worstCaseQuoteInfo • **worstCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[worstCaseQuoteInfo](#worstcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:220](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L220)*
# Interface: MarketSellSwapQuoteWithAffiliateFee ## Properties ### bestCaseQuoteInfo • **bestCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[bestCaseQuoteInfo](#bestcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:219](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L219)* ___ ### feeOrders • **feeOrders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[feeOrders](#feeorders)* *Defined in [asset-swapper/src/types.ts:218](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L218)* ___ ### feePercentage • **feePercentage**: *number* *Inherited from [SwapQuoteWithAffiliateFeeBase](#interface-swapquotewithaffiliatefeebase).[feePercentage](#feepercentage)* *Defined in [asset-swapper/src/types.ts:242](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L242)* ___ ### makerAssetData • **makerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[makerAssetData](#makerassetdata)* *Defined in [asset-swapper/src/types.ts:216](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L216)* ___ ### orders • **orders**: *`SignedOrder`[]* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[orders](#orders)* *Defined in [asset-swapper/src/types.ts:217](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L217)* ___ ### takerAssetData • **takerAssetData**: *string* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[takerAssetData](#takerassetdata)* *Defined in [asset-swapper/src/types.ts:215](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L215)* ___ ### takerAssetFillAmount • **takerAssetFillAmount**: *`BigNumber`* *Inherited from [MarketSellSwapQuote](#interface-marketsellswapquote).[takerAssetFillAmount](#takerassetfillamount)* *Defined in [asset-swapper/src/types.ts:228](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L228)* ___ ### type • **type**: *`Sell`* *Inherited from [MarketSellSwapQuote](#interface-marketsellswapquote).[type](#type)* *Defined in [asset-swapper/src/types.ts:229](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L229)* ___ ### worstCaseQuoteInfo • **worstCaseQuoteInfo**: *[SwapQuoteInfo](#class-swapquoteinfo)* *Inherited from [SwapQuoteBase](#interface-swapquotebase).[worstCaseQuoteInfo](#worstcasequoteinfo)* *Defined in [asset-swapper/src/types.ts:220](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L220)*
# Interface: SmartContractParamsInfo <**T**> Represents the metadata to call a smart contract with parameters. params: The metadata object containing all the input parameters of a smart contract call. toAddress: The contract address to call. ethAmount: If provided, the eth amount in wei to send with the smart contract call. methodAbi: The ABI of the smart contract method to call with params. ## Type parameters ▪ **T** ## Properties ### `Optional` ethAmount • **ethAmount**? : *`BigNumber`* *Defined in [asset-swapper/src/types.ts:55](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L55)* ___ ### methodAbi • **methodAbi**: *`MethodAbi`* *Defined in [asset-swapper/src/types.ts:56](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L56)* ___ ### params • **params**: *`T`* *Defined in [asset-swapper/src/types.ts:53](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L53)* ___ ### toAddress • **toAddress**: *string* *Defined in [asset-swapper/src/types.ts:54](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L54)*
# Interface: SwapQuoteConsumerBase <**T**> Interface that varying SwapQuoteConsumers adhere to (exchange consumer, router consumer, forwarder consumer, coordinator consumer) getCalldataOrThrow: Get CalldataInfo to swap for tokens with provided SwapQuote. Throws if invalid SwapQuote is provided. getSmartContractParamsOrThrow: Get SmartContractParamsInfo to swap for tokens with provided SwapQuote. Throws if invalid SwapQuote is provided. executeSwapQuoteOrThrowAsync: Executes a web3 transaction to swap for tokens with provided SwapQuote. Throws if invalid SwapQuote is provided. ## Type parameters ▪ **T** ## Implemented by * [SwapQuoteConsumer](#class-swapquoteconsumer) ## Methods ### executeSwapQuoteOrThrowAsync ▸ **executeSwapQuoteOrThrowAsync**(`quote`: [SwapQuote](#swapquote), `opts`: `Partial`): *`Promise`* *Defined in [asset-swapper/src/types.ts:147](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L147)* **Parameters:** Name | Type | ------ | ------ | `quote` | [SwapQuote](#swapquote) | `opts` | `Partial` | **Returns:** *`Promise`* ___ ### getCalldataOrThrowAsync ▸ **getCalldataOrThrowAsync**(`quote`: [SwapQuote](#swapquote), `opts`: `Partial`): *`Promise`* *Defined in [asset-swapper/src/types.ts:142](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L142)* **Parameters:** Name | Type | ------ | ------ | `quote` | [SwapQuote](#swapquote) | `opts` | `Partial` | **Returns:** *`Promise`* ___ ### getSmartContractParamsOrThrowAsync ▸ **getSmartContractParamsOrThrowAsync**(`quote`: [SwapQuote](#swapquote), `opts`: `Partial`): *`Promise>`* *Defined in [asset-swapper/src/types.ts:143](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L143)* **Parameters:** Name | Type | ------ | ------ | `quote` | [SwapQuote](#swapquote) | `opts` | `Partial` | **Returns:** *`Promise>`*
# Interface: SwapQuoteConsumerOpts networkId: The networkId that the desired orders should be for. ## Properties ### networkId • **networkId**: *number* *Defined in [asset-swapper/src/types.ts:154](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L154)*
# Interface: SwapQuoteExecutionOpts Represents the options for executing a swap quote with SwapQuoteConsumer ## Properties ### `Optional` ethAmount • **ethAmount**? : *`BigNumber`* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[ethAmount](#optional-ethamount)* *Overrides [ForwarderSwapQuoteGetOutputOpts](_asset_swapper_src_types_.forwarderswapquotegetoutputopts.md).[ethAmount](#optional-ethamount)* *Defined in [asset-swapper/src/types.ts:181](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L181)* ___ ### feePercentage • **feePercentage**: *number* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[feePercentage](#feepercentage)* *Overrides [ForwarderSwapQuoteGetOutputOpts](_asset_swapper_src_types_.forwarderswapquotegetoutputopts.md).[feePercentage](#feepercentage)* *Defined in [asset-swapper/src/types.ts:179](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L179)* ___ ### feeRecipient • **feeRecipient**: *string* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[feeRecipient](#feerecipient)* *Overrides [ForwarderSwapQuoteGetOutputOpts](_asset_swapper_src_types_.forwarderswapquotegetoutputopts.md).[feeRecipient](#feerecipient)* *Defined in [asset-swapper/src/types.ts:180](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L180)* ___ ### `Optional` gasLimit • **gasLimit**? : *undefined | number* *Inherited from [SwapQuoteExecutionOptsBase](#interface-swapquoteexecutionoptsbase).[gasLimit](#optional-gaslimit)* *Defined in [asset-swapper/src/types.ts:169](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L169)* ___ ### `Optional` gasPrice • **gasPrice**? : *`BigNumber`* *Inherited from [SwapQuoteExecutionOptsBase](#interface-swapquoteexecutionoptsbase).[gasPrice](#optional-gasprice)* *Defined in [asset-swapper/src/types.ts:170](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L170)* ___ ### `Optional` takerAddress • **takerAddress**? : *undefined | string* *Inherited from [SwapQuoteExecutionOptsBase](#interface-swapquoteexecutionoptsbase).[takerAddress](#optional-takeraddress)* *Defined in [asset-swapper/src/types.ts:168](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L168)* ___ ### useExtensionContract • **useExtensionContract**: *[ExtensionContractType](#enumeration-extensioncontracttype)* *Inherited from [SwapQuoteGetOutputOpts](#interface-swapquotegetoutputopts).[useExtensionContract](#useextensioncontract)* *Defined in [asset-swapper/src/types.ts:196](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L196)*
# Interface: SwapQuoteExecutionOptsBase takerAddress: The address to perform the buy. Defaults to the first available address from the provider. gasLimit: The amount of gas to send with a transaction (in Gwei). Defaults to an eth_estimateGas rpc call. gasPrice: Gas price in Wei to use for a transaction ## Properties ### `Optional` gasLimit • **gasLimit**? : *undefined | number* *Defined in [asset-swapper/src/types.ts:169](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L169)* ___ ### `Optional` gasPrice • **gasPrice**? : *`BigNumber`* *Defined in [asset-swapper/src/types.ts:170](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L170)* ___ ### `Optional` takerAddress • **takerAddress**? : *undefined | string* *Defined in [asset-swapper/src/types.ts:168](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L168)*
# Interface: SwapQuoteGetOutputOpts takerAddress: The address to perform the buy. Defaults to the first available address from the provider. useConsumerType: If provided, defaults the SwapQuoteConsumer to create output consumed by ConsumerType. ## Properties ### `Optional` ethAmount • **ethAmount**? : *`BigNumber`* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[ethAmount](#optional-ethamount)* *Defined in [asset-swapper/src/types.ts:181](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L181)* ___ ### feePercentage • **feePercentage**: *number* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[feePercentage](#feepercentage)* *Defined in [asset-swapper/src/types.ts:179](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L179)* ___ ### feeRecipient • **feeRecipient**: *string* *Inherited from [ForwarderSwapQuoteGetOutputOpts](#interface-forwarderswapquotegetoutputopts).[feeRecipient](#feerecipient)* *Defined in [asset-swapper/src/types.ts:180](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L180)* ___ ### useExtensionContract • **useExtensionContract**: *[ExtensionContractType](#enumeration-extensioncontracttype)* *Defined in [asset-swapper/src/types.ts:196](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L196)*
# Interface: SwapQuoteGetOutputOptsBase Represents the options provided to a generic SwapQuoteConsumer ## Hierarchy * **SwapQuoteInfo** ## Properties ### feeTakerTokenAmount • **feeTakerTokenAmount**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:258](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L258)* ___ ### makerTokenAmount • **makerTokenAmount**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:261](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L261)* ___ ### takerTokenAmount • **takerTokenAmount**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:260](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L260)* ___ ### totalTakerTokenAmount • **totalTakerTokenAmount**: *`BigNumber`* *Defined in [asset-swapper/src/types.ts:259](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L259)*
# Interface: SwapQuoteRequestOpts shouldDisableRequestingFeeOrders: If set to true, requesting a swapQuote will not perform any computation or requests for fees. slippagePercentage: The percentage buffer to add to account for slippage. Affects max ETH price estimates. Defaults to 0.2 (20%). ## Properties ### shouldDisableRequestingFeeOrders • **shouldDisableRequestingFeeOrders**: *boolean* *Defined in [asset-swapper/src/types.ts:269](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L269)* ___ ### slippagePercentage • **slippagePercentage**: *number* *Defined in [asset-swapper/src/types.ts:270](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L270)*
# Interface: SwapQuoterOpts networkId: The ethereum network id. Defaults to 1 (mainnet). orderRefreshIntervalMs: The interval in ms that getBuyQuoteAsync should trigger an refresh of orders and order states. Defaults to 10000ms (10s). expiryBufferMs: The number of seconds to add when calculating whether an order is expired or not. Defaults to 300s (5m). ## Properties ### expiryBufferMs • **expiryBufferMs**: *number* *Defined in [asset-swapper/src/types.ts:281](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L281)* ___ ### networkId • **networkId**: *number* *Defined in [asset-swapper/src/types.ts:279](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L279)* ___ ### orderRefreshIntervalMs • **orderRefreshIntervalMs**: *number* *Defined in [asset-swapper/src/types.ts:280](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L280)*
# Interface: DataItem ## Properties ### `Optional` components • **components**? : *[DataItem](#class-dataitem)[]* *Defined in [ethereum-types/src/index.ts:137](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L137)* ___ ### name • **name**: *string* *Defined in [ethereum-types/src/index.ts:135](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L135)* ___ ### type • **type**: *string* *Defined in [ethereum-types/src/index.ts:136](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L136)*
# Interface: EIP1193Provider ## Properties ### isEIP1193 • **isEIP1193**: *boolean* *Defined in [ethereum-types/src/index.ts:73](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L73)* ## Methods ### on ▸ **on**(`event`: [EIP1193Event](#eip1193event), `listener`: function): *this* *Defined in [ethereum-types/src/index.ts:75](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L75)* **Parameters:** ▪ **event**: *[EIP1193Event](#eip1193event)* ▪ **listener**: *function* ▸ (`result`: any): *void* **Parameters:** Name | Type | ------ | ------ | `result` | any | **Returns:** *this* ___ ### send ▸ **send**(`method`: string, `params?`: any[]): *`Promise`* *Defined in [ethereum-types/src/index.ts:74](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L74)* **Parameters:** Name | Type | ------ | ------ | `method` | string | `params?` | any[] | **Returns:** *`Promise`*
# Interface: GanacheProvider ## Methods ### sendAsync ▸ **sendAsync**(`payload`: [JSONRPCRequestPayload](_ethereum_types_src_index_.jsonrpcrequestpayload.md), `callback`: [JSONRPCErrorCallback](#jsonrpcerrorcallback)): *void* *Defined in [ethereum-types/src/index.ts:14](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L14)* **Parameters:** Name | Type | ------ | ------ | `payload` | [JSONRPCRequestPayload](#class-jsonrpcrequestpayload) | `callback` | [JSONRPCErrorCallback](#jsonrpcerrorcallback) | **Returns:** *void*
# Interface: JSONRPCRequestPayload ## Properties ### id • **id**: *number* *Defined in [ethereum-types/src/index.ts:330](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L330)* ___ ### jsonrpc • **jsonrpc**: *string* *Defined in [ethereum-types/src/index.ts:331](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L331)* ___ ### method • **method**: *string* *Defined in [ethereum-types/src/index.ts:329](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L329)* ___ ### params • **params**: *any[]* *Defined in [ethereum-types/src/index.ts:328](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L328)*
# Interface: JSONRPCResponseError ## Properties ### code • **code**: *number* *Defined in [ethereum-types/src/index.ts:336](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L336)* ___ ### message • **message**: *string* *Defined in [ethereum-types/src/index.ts:335](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L335)*
# Interface: JSONRPCResponsePayload ## Properties ### `Optional` error • **error**? : *[JSONRPCResponseError](#class-jsonrpcresponseerror)* *Defined in [ethereum-types/src/index.ts:343](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L343)* ___ ### id • **id**: *number* *Defined in [ethereum-types/src/index.ts:341](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L341)* ___ ### jsonrpc • **jsonrpc**: *string* *Defined in [ethereum-types/src/index.ts:342](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L342)* ___ ### result • **result**: *any* *Defined in [ethereum-types/src/index.ts:340](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L340)*
# Interface: MethodAbi ## Properties ### constant • **constant**: *boolean* *Defined in [ethereum-types/src/index.ts:94](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L94)* ___ ### inputs • **inputs**: *[DataItem](#class-dataitem)[]* *Defined in [ethereum-types/src/index.ts:92](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L92)* ___ ### name • **name**: *string* *Defined in [ethereum-types/src/index.ts:91](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L91)* ___ ### outputs • **outputs**: *[DataItem](#class-dataitem)[]* *Defined in [ethereum-types/src/index.ts:93](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L93)* ___ ### payable • **payable**: *boolean* *Defined in [ethereum-types/src/index.ts:96](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L96)* ___ ### stateMutability • **stateMutability**: *[StateMutability](#statemutability)* *Defined in [ethereum-types/src/index.ts:95](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L95)* ___ ### type • **type**: *string* *Defined in [ethereum-types/src/index.ts:90](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L90)*
# Interface: TupleDataItem ## Properties ### components • **components**: *[DataItem](#class-dataitem)[]* *Overrides [DataItem](_ethereum_types_src_index_.dataitem.md).[components](#optional-components)* *Defined in [ethereum-types/src/index.ts:141](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L141)* ___ ### name • **name**: *string* *Inherited from [DataItem](#interface-dataitem).[name](#name)* *Defined in [ethereum-types/src/index.ts:135](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L135)* ___ ### type • **type**: *string* *Inherited from [DataItem](#interface-dataitem).[type](#type)* *Defined in [ethereum-types/src/index.ts:136](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L136)*
# Interface: Web3JsV1Provider Web3.js version 1 provider interface This provider interface was implemented in the pre-1.0Beta releases for Web3.js. This interface allowed sending synchonous requests, support for which was later dropped. ## Methods ### send ▸ **send**(`payload`: [JSONRPCRequestPayload](_ethereum_types_src_index_.jsonrpcrequestpayload.md)): *[JSONRPCResponsePayload](#class-jsonrpcresponsepayload)* *Defined in [ethereum-types/src/index.ts:45](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L45)* **Parameters:** Name | Type | ------ | ------ | `payload` | [JSONRPCRequestPayload](#class-jsonrpcrequestpayload) | **Returns:** *[JSONRPCResponsePayload](#class-jsonrpcresponsepayload)* ___ ### sendAsync ▸ **sendAsync**(`payload`: [JSONRPCRequestPayload](_ethereum_types_src_index_.jsonrpcrequestpayload.md), `callback`: [JSONRPCErrorCallback](#jsonrpcerrorcallback)): *void* *Defined in [ethereum-types/src/index.ts:44](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L44)* **Parameters:** Name | Type | ------ | ------ | `payload` | [JSONRPCRequestPayload](#class-jsonrpcrequestpayload) | `callback` | [JSONRPCErrorCallback](#jsonrpcerrorcallback) | **Returns:** *void*
# Interface: Web3JsV2Provider Web3.js version 2 provider interface This provider interface was used in a couple of Web3.js 1.0 beta releases before the first attempts to conform to EIP1193 ## Methods ### send ▸ **send**(`payload`: [JSONRPCRequestPayload](_ethereum_types_src_index_.jsonrpcrequestpayload.md), `callback`: [JSONRPCErrorCallback](#jsonrpcerrorcallback)): *void* *Defined in [ethereum-types/src/index.ts:54](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L54)* **Parameters:** Name | Type | ------ | ------ | `payload` | [JSONRPCRequestPayload](#class-jsonrpcrequestpayload) | `callback` | [JSONRPCErrorCallback](#jsonrpcerrorcallback) | **Returns:** *void*
# Interface: Web3JsV3Provider Web3.js version 3 provider interface This provider interface was implemented with the hopes for conforming to the EIP1193 spec, however it does not conform entirely. ## Methods ### send ▸ **send**(`method`: string, `params?`: any[]): *`Promise`* *Defined in [ethereum-types/src/index.ts:63](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L63)* **Parameters:** Name | Type | ------ | ------ | `method` | string | `params?` | any[] | **Returns:** *`Promise`*
# Interface: ZeroExProvider The interface for the provider used internally by 0x libraries Any property we use from any SupportedProvider should we explicitly add here ## Properties ### `Optional` isMetaMask • **isMetaMask**? : *undefined | false | true* *Defined in [ethereum-types/src/index.ts:31](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L31)* ___ ### `Optional` isParity • **isParity**? : *undefined | false | true* *Defined in [ethereum-types/src/index.ts:32](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L32)* ___ ### `Optional` isZeroExProvider • **isZeroExProvider**? : *undefined | false | true* *Defined in [ethereum-types/src/index.ts:30](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L30)* ## Methods ### `Optional` enable ▸ **enable**(): *`Promise`* *Defined in [ethereum-types/src/index.ts:34](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L34)* **Returns:** *`Promise`* ___ ### sendAsync ▸ **sendAsync**(`payload`: [JSONRPCRequestPayload](_ethereum_types_src_index_.jsonrpcrequestpayload.md), `callback`: [JSONRPCErrorCallback](#jsonrpcerrorcallback)): *void* *Defined in [ethereum-types/src/index.ts:35](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L35)* **Parameters:** Name | Type | ------ | ------ | `payload` | [JSONRPCRequestPayload](#class-jsonrpcrequestpayload) | `callback` | [JSONRPCErrorCallback](#jsonrpcerrorcallback) | **Returns:** *void* ___ ### `Optional` stop ▸ **stop**(): *void* *Defined in [ethereum-types/src/index.ts:33](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L33)* **Returns:** *void*
# Interface: AcceptedRejectedOrders ## Properties ### accepted • **accepted**: *`SignedOrder`[]* *Defined in [orderbook/src/types.ts:15](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L15)* ___ ### rejected • **rejected**: *[RejectedOrder](#class-rejectedorder)[]* *Defined in [orderbook/src/types.ts:16](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L16)*
# Interface: AddedRemovedOrders ## Properties ### added • **added**: *`APIOrder`[]* *Defined in [orderbook/src/types.ts:6](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L6)* ___ ### assetPairKey • **assetPairKey**: *string* *Defined in [orderbook/src/types.ts:5](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L5)* ___ ### removed • **removed**: *`APIOrder`[]* *Defined in [orderbook/src/types.ts:7](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L7)*
# Interface: MeshOrderProviderOpts Constructor options for a Mesh Order Provider ## Properties ### websocketEndpoint • **websocketEndpoint**: *string* *Defined in [orderbook/src/types.ts:52](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L52)* ___ ### `Optional` wsOpts • **wsOpts**? : *`WSOpts`* *Defined in [orderbook/src/types.ts:54](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L54)*
# Interface: RejectedOrder ## Properties ### message • **message**: *string* *Defined in [orderbook/src/types.ts:11](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L11)* ___ ### order • **order**: *`SignedOrder`* *Defined in [orderbook/src/types.ts:12](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L12)*
# Interface: SRAPollingOrderProviderOpts Constructor options for a SRA Polling Order Provider ## Properties ### httpEndpoint • **httpEndpoint**: *string* *Defined in [orderbook/src/types.ts:38](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L38)* ___ ### `Optional` networkId • **networkId**? : *undefined | number* *Defined in [orderbook/src/types.ts:44](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L44)* ___ ### `Optional` perPage • **perPage**? : *undefined | number* *Defined in [orderbook/src/types.ts:42](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L42)* ___ ### pollingIntervalMs • **pollingIntervalMs**: *number* *Defined in [orderbook/src/types.ts:40](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L40)*
# Interface: SRAWebsocketOrderProviderOpts Constructor options for a SRA Websocket Order Provider ## Properties ### httpEndpoint • **httpEndpoint**: *string* *Defined in [orderbook/src/types.ts:26](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L26)* ___ ### `Optional` networkId • **networkId**? : *undefined | number* *Defined in [orderbook/src/types.ts:30](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L30)* ___ ### websocketEndpoint • **websocketEndpoint**: *string* *Defined in [orderbook/src/types.ts:28](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/types.ts#L28)*
# Interface: APIOrder ## Properties ### metaData • **metaData**: *object* *Defined in [types/src/index.ts:408](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L408)* ___ ### order • **order**: *[SignedOrder](#class-signedorder)* *Defined in [types/src/index.ts:407](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L407)*
# Interface: Asset ## Properties ### assetData • **assetData**: *string* *Defined in [types/src/index.ts:424](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L424)* ___ ### maxAmount • **maxAmount**: *`BigNumber`* *Defined in [types/src/index.ts:426](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L426)* ___ ### minAmount • **minAmount**: *`BigNumber`* *Defined in [types/src/index.ts:425](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L425)* ___ ### precision • **precision**: *number* *Defined in [types/src/index.ts:427](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L427)*
# Interface: AssetPairsItem ## Properties ### assetDataA • **assetDataA**: *[Asset](#class-asset)* *Defined in [types/src/index.ts:419](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L419)* ___ ### assetDataB • **assetDataB**: *[Asset](#class-asset)* *Defined in [types/src/index.ts:420](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L420)*
# Interface: SignedOrder ## Properties ### chainId • **chainId**: *number* *Inherited from [Order](#interface-order).[chainId](#chainid)* *Defined in [types/src/index.ts:14](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L14)* ___ ### exchangeAddress • **exchangeAddress**: *string* *Inherited from [Order](#interface-order).[exchangeAddress](#exchangeaddress)* *Defined in [types/src/index.ts:15](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L15)* ___ ### expirationTimeSeconds • **expirationTimeSeconds**: *`BigNumber`* *Inherited from [Order](#interface-order).[expirationTimeSeconds](#expirationtimeseconds)* *Defined in [types/src/index.ts:24](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L24)* ___ ### feeRecipientAddress • **feeRecipientAddress**: *string* *Inherited from [Order](#interface-order).[feeRecipientAddress](#feerecipientaddress)* *Defined in [types/src/index.ts:18](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L18)* ___ ### makerAddress • **makerAddress**: *string* *Inherited from [Order](#interface-order).[makerAddress](#makeraddress)* *Defined in [types/src/index.ts:16](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L16)* ___ ### makerAssetAmount • **makerAssetAmount**: *`BigNumber`* *Inherited from [Order](#interface-order).[makerAssetAmount](#makerassetamount)* *Defined in [types/src/index.ts:20](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L20)* ___ ### makerAssetData • **makerAssetData**: *string* *Inherited from [Order](#interface-order).[makerAssetData](#makerassetdata)* *Defined in [types/src/index.ts:26](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L26)* ___ ### makerFee • **makerFee**: *`BigNumber`* *Inherited from [Order](#interface-order).[makerFee](#makerfee)* *Defined in [types/src/index.ts:22](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L22)* ___ ### makerFeeAssetData • **makerFeeAssetData**: *string* *Inherited from [Order](#interface-order).[makerFeeAssetData](#makerfeeassetdata)* *Defined in [types/src/index.ts:28](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L28)* ___ ### salt • **salt**: *`BigNumber`* *Inherited from [Order](#interface-order).[salt](#salt)* *Defined in [types/src/index.ts:25](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L25)* ___ ### senderAddress • **senderAddress**: *string* *Inherited from [Order](#interface-order).[senderAddress](#senderaddress)* *Defined in [types/src/index.ts:19](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L19)* ___ ### signature • **signature**: *string* *Defined in [types/src/index.ts:33](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L33)* ___ ### takerAddress • **takerAddress**: *string* *Inherited from [Order](#interface-order).[takerAddress](#takeraddress)* *Defined in [types/src/index.ts:17](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L17)* ___ ### takerAssetAmount • **takerAssetAmount**: *`BigNumber`* *Inherited from [Order](#interface-order).[takerAssetAmount](#takerassetamount)* *Defined in [types/src/index.ts:21](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L21)* ___ ### takerAssetData • **takerAssetData**: *string* *Inherited from [Order](#interface-order).[takerAssetData](#takerassetdata)* *Defined in [types/src/index.ts:27](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L27)* ___ ### takerFee • **takerFee**: *`BigNumber`* *Inherited from [Order](#interface-order).[takerFee](#takerfee)* *Defined in [types/src/index.ts:23](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L23)* ___ ### takerFeeAssetData • **takerFeeAssetData**: *string* *Inherited from [Order](#interface-order).[takerFeeAssetData](#takerfeeassetdata)* *Defined in [types/src/index.ts:29](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/types/src/index.ts#L29)*



## Type aliases ### SwapQuote Ƭ **SwapQuote**: *[MarketBuySwapQuote](#interface-marketbuyswapquote) | [MarketSellSwapQuote](#interface-marketsellswapquote)* *Defined in [asset-swapper/src/types.ts:184](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/asset-swapper/src/types.ts#L184)* ___ ## Type aliases ### ConstructorStateMutability Ƭ **ConstructorStateMutability**: *"nonpayable" | "payable"* *Defined in [ethereum-types/src/index.ts:84](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L84)* ___ ### EIP1193Event Ƭ **EIP1193Event**: *"accountsChanged" | "networkChanged" | "close" | "connect" | "notification"* *Defined in [ethereum-types/src/index.ts:70](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L70)* Interface for providers that conform to EIP 1193 Source: https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1193.md ___ ### JSONRPCErrorCallback Ƭ **JSONRPCErrorCallback**: *function* *Defined in [ethereum-types/src/index.ts:3](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L3)* #### Type declaration: ▸ (`err`: `Error` | null, `result?`: [JSONRPCResponsePayload](#interface-jsonrpcresponsepayload)): *void* **Parameters:** Name | Type | ------ | ------ | `err` | `Error` \| null | `result?` | [JSONRPCResponsePayload](#interface-jsonrpcresponsepayload) | ___ ### StateMutability Ƭ **StateMutability**: *"pure" | "view" | [ConstructorStateMutability](#constructorstatemutability)* *Defined in [ethereum-types/src/index.ts:85](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L85)* ___ ### SupportedProvider Ƭ **SupportedProvider**: *[Web3JsProvider](_ethereum_types_src_index_.md#web3jsprovider) | [GanacheProvider](#interface-ganacheprovider) | [EIP1193Provider](#interface-eip1193provider) | [ZeroExProvider](#interface-zeroexprovider)* *Defined in [ethereum-types/src/index.ts:9](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L9)* Do not create your own provider. Use an existing provider from a Web3 or ProviderEngine library Read more about Providers in the guides section of the 0x docs. ___ ### Web3JsProvider Ƭ **Web3JsProvider**: *[Web3JsV1Provider](#interface-web3jsv1provider) | [Web3JsV2Provider](#interface-web3jsv2provider) | [Web3JsV3Provider](#interface-web3jsv3provider)* *Defined in [ethereum-types/src/index.ts:11](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/ethereum-types/src/index.ts#L11)*
## Variables ### `Const` DEFAULT_TOKEN_PRECISION • **DEFAULT_TOKEN_PRECISION**: *`18`* = 18 *Defined in [orderbook/src/order_provider/base_order_provider.ts:9](https://github.com/0xProject/0x-monorepo/blob/9fe6c196a/packages/orderbook/src/order_provider/base_order_provider.ts#L9)*



## Type aliases ## Type aliases