1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
|
import { OpenApiSpec } from '@loopback/openapi-v3-types';
import { examples } from './examples';
import { schemas } from './json-schemas';
import { md } from './md';
import { generateParameters } from './parameters';
import { generateResponses } from './responses';
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 `assetDataA` or `assetDataB` returns pairs filtered by that asset only.',
operationId: 'getAssetPairs',
parameters: generateParameters(
[
{
name: 'assetDataA',
in: 'query',
description: 'The assetData value for the first asset in the pair.',
example: '0xf47261b04c32345ced77393b3530b1eed0f346429d',
schema: {
$ref: '#/components/schemas/hexSchema',
},
},
{
name: 'assetDataB',
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: 'takerAddress',
in: 'query',
description: `Same as takerAddress 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',
},
},
],
false,
),
responses: generateResponses(
'relayerApiOrderSchema',
examples.relayerApiOrder,
`The order and meta info associated with the orderHash`,
),
},
},
'/v2/orderbook': {
get: {
description: `Retrieves the orderbook for a given asset pair. This endpoint should be [paginated](#section/Pagination). Bids will be sorted in descending order by price, and asks will be sorted in ascending order by price. Within the price sorted orders, the orders are further sorted by _taker fee price_ which is defined as the **takerFee** divided by **takerTokenAmount**. After _taker fee price_, orders are to be sorted by expiration in ascending order. The way pagination works for this endpoint is that the **page** and **perPage** query params apply to both \`bids\` and \`asks\` collections, and if \`page\` * \`perPage\` > \`total\` for a certain collection, the \`records\` for that collection should just be empty. `,
operationId: 'getOrderbook',
parameters: generateParameters(
[
{
name: 'baseAssetData',
in: 'query',
description: `assetData (makerAssetData or takerAssetData) designated as the base currency in the [currency pair calculation](https://en.wikipedia.org/wiki/Currency_pair) of price.`,
required: true,
example: '0xf47261b04c32345ced77393b3530b1eed0f346429d',
schema: {
$ref: '#/components/schemas/hexSchema',
},
},
{
name: 'quoteAssetData',
in: 'query',
description: `assetData (makerAssetData or takerAssetData) designated as the quote currency in the currency pair calculation of price (required).`,
required: true,
example: '0xf47261b04c32345ced77393b3530b1eed0f346429d',
schema: {
$ref: '#/components/schemas/hexSchema',
},
},
],
true,
),
responses: generateResponses(
'relayerApiOrderbookResponseSchema',
examples.relayerApiOrderbookResponse,
`The sorted order book for the specified asset pair.`,
),
},
},
'/v2/order_config': {
post: {
description: `Relayers have full discretion over the orders that they are willing to host on their orderbooks (e.g what fees they charge, etc...). In order for traders to discover their requirements programmatically, they can send an incomplete order to this endpoint and receive the missing fields, specifc to that order. This gives relayers a large amount of flexibility to tailor fees to unique traders, trading pairs and volume amounts. Submit a partial order and receive information required to complete the order: \`senderAddress\`, \`feeRecipientAddress\`, \`makerFee\`, \`takerFee\`. `,
operationId: 'getOrderConfig',
parameters: generateParameters([], false),
requestBody: {
description:
'The fields of a 0x order the relayer may want to decide what configuration to send back.',
content: {
'application/json': {
schema: {
$ref: '#/components/schemas/relayerApiOrderConfigPayloadSchema',
},
example: examples.relayerApiOrderConfigPayload,
},
},
},
responses: generateResponses(
'relayerApiOrderConfigResponseSchema',
examples.relayerApiOrderConfigResponse,
`The additional fields necessary in order to submit an order to the relayer.`,
),
},
},
'/v2/fee_recipients': {
get: {
description: `Retrieves a collection of all fee recipient addresses for a relayer. This endpoint should be [paginated](#section/Pagination).`,
operationId: 'getFeeRecipients',
parameters: generateParameters([], true),
responses: generateResponses(
'relayerApiFeeRecipientsResponseSchema',
examples.relayerApiFeeRecipientsResponse,
`A collection of all used fee recipient addresses.`,
),
},
},
'/v2/order': {
post: {
description: `Submit a signed order to the relayer.`,
operationId: 'postOrder',
parameters: generateParameters([], false),
requestBody: {
description: 'A valid signed 0x order based on the schema.',
content: {
'application/json': {
schema: {
$ref: '#/components/schemas/signedOrderSchema',
},
example: examples.signedOrder,
},
},
},
responses: generateResponses(),
},
},
},
components: {
schemas,
},
};
|