import { schemas } from '@0xproject/json-schemas'; import { OpenApiSpec } from '@loopback/openapi-v3-types'; import { examples } from './examples'; import { md } from './md'; import { generateParameters } from './parameters'; import { generateResponses } from './responses'; // We need to replace the `$ref`s to be OpenAPI compliant. const openApiSchemas = JSON.parse(JSON.stringify(schemas).replace(/(\/\w+)/g, match => `#/components/schemas${match}`)); export const api: OpenApiSpec = { openapi: '3.0.0', info: { version: '2.0.0', title: 'Standard Relayer REST API', description: md.introduction, license: { name: 'Apache 2.0', url: 'https://www.apache.org/licenses/LICENSE-2.0.html', }, }, paths: { '/v2/asset_pairs': { get: { description: 'Retrieves a list of available asset pairs and the information required to trade them (in any order). Setting only `asset_data_a` or `asset_data_b` returns pairs filtered by that asset only.', operationId: 'getAssetPairs', parameters: generateParameters( [ { name: 'asset_data_a', in: 'query', description: 'The assetData value for the first asset in the pair.', example: '0xf47261b04c32345ced77393b3530b1eed0f346429d', schema: { $ref: '#/components/schemas/hexSchema', }, }, { name: 'asset_data_b', in: 'query', description: 'The assetData value for the second asset in the pair.', example: '0x0257179264389b814a946f3e92105513705ca6b990', schema: { $ref: '#/components/schemas/hexSchema', }, }, ], true, ), responses: generateResponses( 'relayerApiAssetDataPairsResponseSchema', examples.relayerApiAssetDataPairsResponse, `Returns a collection of available asset pairs with some meta info`, ), }, }, '/v2/orders': { get: { description: 'Retrieves a list of orders given query parameters. This endpoint should be [paginated](#section/Pagination). For querying an entire orderbook snapshot, the [orderbook endpoint](#operation/getOrderbook) is recommended. If both makerAssetData and takerAssetData are specified, returned orders will be sorted by price determined by (takerTokenAmount/makerTokenAmount) in ascending order. By default, orders returned by this endpoint are unsorted.', operationId: 'getOrders', parameters: generateParameters( [ { name: 'makerAssetProxyId', in: 'query', description: `The maker [asset proxy id](https://0xproject.com/docs/0x.js#types-AssetProxyId) (example: "0xf47261b0" for ERC20, "0x02571792" for ERC721).`, example: '0xf47261b0', schema: { $ref: '#/components/schemas/hexSchema', }, }, { name: 'takerAssetProxyId', in: 'query', description: `The taker asset [asset proxy id](https://0xproject.com/docs/0x.js#types-AssetProxyId) (example: "0xf47261b0" for ERC20, "0x02571792" for ERC721).`, example: '0x02571792', schema: { $ref: '#/components/schemas/hexSchema', }, }, { name: 'makerAssetAddress', in: 'query', description: `The contract address for the maker asset.`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/addressSchema', }, }, { name: 'takerAssetAddress', in: 'query', description: `The contract address for the taker asset.`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/addressSchema', }, }, { name: 'exchangeAddress', in: 'query', description: `Same as exchangeAddress in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/addressSchema', }, }, { name: 'senderAddress', in: 'query', description: `Same as senderAddress in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/addressSchema', }, }, { name: 'makerAssetData', in: 'query', description: `Same as makerAssetData in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/hexSchema', }, }, { name: 'takerAssetData', in: 'query', description: `Same as takerAssetData in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/hexSchema', }, }, { name: 'traderAssetData', in: 'query', description: `Same as traderAssetData in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/hexSchema', }, }, { name: 'makerAddress', in: 'query', description: `Same as makerAddress in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/addressSchema', }, }, { name: 'traderAddress', in: 'query', description: `Same as traderAddress in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/addressSchema', }, }, { name: 'feeRecipientAddress', in: 'query', description: `Same as feeRecipientAddress in the [0x Protocol v2 Specification](https://github.com/0xProject/0x-protocol-specification/blob/master/v2/v2-specification.md#order-message-format)`, example: '0xe41d2489571d322189246dafa5ebde1f4699f498', schema: { $ref: '#/components/schemas/addressSchema', }, }, ], true, ), responses: generateResponses( 'relayerApiOrdersResponseSchema', examples.relayerApiOrdersResponse, `A collection of 0x orders with meta-data as specified by query params`, ), }, }, '/v2/order/{orderHash}': { get: { description: 'Retrieves the 0x order with meta info that is associated with the hash.', operationId: 'getOrder', parameters: generateParameters( [ { name: 'orderHash', in: 'path', description: 'The hash of the desired 0x order.', example: '0xd4b103c42d2512eef3fee775e097f044291615d25f5d71e0ac70dbd49d223591', schema: { $ref: '#/components/schemas/orderHashSchema', }, }, ], true, ), responses: generateResponses( 'relayerApiOrderSchema', examples.relayerApiOrder, `The order and meta info associated with the orderHash`, ), }, }, }, components: { schemas: openApiSchemas, }, };