1 | import qs from 'qs';
|
2 | import parse from './parse.js';
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3 | import isofetch from 'isomorphic-unfetch';
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4 | import endpoints from './endpoints.js';
|
5 | import Bottleneck from 'bottleneck';
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6 |
|
7 | import {
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8 | RawAccount,
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9 | Account,
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10 | Order,
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11 | Position,
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12 | Asset,
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13 | Watchlist,
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14 | Calendar,
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15 | Clock,
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16 | AccountConfigurations,
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17 | PortfolioHistory,
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18 | RawOrder,
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19 | RawPosition,
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20 | RawActivity,
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21 | Activity,
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22 | DefaultCredentials,
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23 | OAuthCredentials,
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24 | OrderCancelation,
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25 | RawOrderCancelation,
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26 | PageOfTrades,
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27 | PageOfQuotes,
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28 | PageOfBars,
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29 | Bar_v1,
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30 | LastQuote_v1,
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31 | LastTrade_v1,
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32 | Snapshot,
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33 | NewsPage,
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34 | LatestTrade,
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35 | Endpoints,
|
36 | } from './entities.js';
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37 |
|
38 | import {
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39 | GetOrder,
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40 | GetOrders,
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41 | PlaceOrder,
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42 | ReplaceOrder,
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43 | CancelOrder,
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44 | GetPosition,
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45 | ClosePosition,
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46 | GetAsset,
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47 | GetAssets,
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48 | GetWatchList,
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49 | CreateWatchList,
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50 | UpdateWatchList,
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51 | AddToWatchList,
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52 | RemoveFromWatchList,
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53 | DeleteWatchList,
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54 | GetCalendar,
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55 | UpdateAccountConfigurations,
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56 | GetAccountActivities,
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57 | GetPortfolioHistory,
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58 | GetBars,
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59 | GetBars_v1,
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60 | GetTrades,
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61 | GetQuotes,
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62 | GetLastTrade_v1,
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63 | GetLastQuote_v1,
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64 | GetSnapshot,
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65 | GetSnapshots,
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66 | ClosePositions,
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67 | GetNews,
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68 | GetLatestTrade,
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69 | } from './params.js';
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70 |
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71 | const unifetch = typeof fetch !== 'undefined' ? fetch : isofetch;
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72 | export class AlpacaClient {
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73 | private baseURLs: Endpoints = endpoints;
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74 | private limiter = new Bottleneck({
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75 | reservoir: 200,
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76 | reservoirRefreshAmount: 200,
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77 | reservoirRefreshInterval: 60 * 1000,
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78 |
|
79 | maxConcurrent: 1,
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80 | minTime: 200,
|
81 | });
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82 |
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83 | constructor(
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84 | public params: {
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85 | rate_limit?: boolean;
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86 | endpoints?: Endpoints | Map<keyof Endpoints, any>;
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87 | credentials?: DefaultCredentials | OAuthCredentials;
|
88 | },
|
89 | ) {
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90 |
|
91 | if ('endpoints' in params) {
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92 | this.baseURLs = Object.assign(endpoints, params.endpoints);
|
93 | }
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94 |
|
95 | if (
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96 |
|
97 | !('paper' in params.credentials) &&
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98 |
|
99 | !('key' in params.credentials && params.credentials.key.startsWith('A'))
|
100 | ) {
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101 | params.credentials['paper'] = true;
|
102 | }
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103 |
|
104 | if (
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105 | 'access_token' in params.credentials &&
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106 | ('key' in params.credentials || 'secret' in params.credentials)
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107 | ) {
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108 | throw new Error(
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109 | "can't create client with both default and oauth credentials",
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110 | );
|
111 | }
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112 | }
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113 |
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114 | async isAuthenticated(): Promise<boolean> {
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115 | try {
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116 | await this.getAccount();
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117 | return true;
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118 | } catch {
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119 | return false;
|
120 | }
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121 | }
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122 |
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123 | async getAccount(): Promise<Account> {
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124 | return parse.account(
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125 | await this.request<RawAccount>({
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126 | method: 'GET',
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127 | url: `${this.baseURLs.rest.account}/account`,
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128 | }),
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129 | );
|
130 | }
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131 |
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132 | async getOrder(params: GetOrder): Promise<Order> {
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133 | return parse.order(
|
134 | await this.request<RawOrder>({
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135 | method: 'GET',
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136 | url: `${this.baseURLs.rest.account}/orders/${
|
137 | params.order_id || params.client_order_id
|
138 | }`,
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139 | data: { nested: params.nested },
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140 | }),
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141 | );
|
142 | }
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143 |
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144 | async getOrders(params: GetOrders = {}): Promise<Order[]> {
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145 | return parse.orders(
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146 | await this.request<RawOrder[]>({
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147 | method: 'GET',
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148 | url: `${this.baseURLs.rest.account}/orders`,
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149 | data: {
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150 | ...params,
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151 | symbols: params.symbols ? params.symbols.join(',') : undefined,
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152 | },
|
153 | }),
|
154 | );
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155 | }
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156 |
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157 | async placeOrder(params: PlaceOrder): Promise<Order> {
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158 | return parse.order(
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159 | await this.request<RawOrder>({
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160 | method: 'POST',
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161 | url: `${this.baseURLs.rest.account}/orders`,
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162 | data: params,
|
163 | }),
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164 | );
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165 | }
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166 |
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167 | async replaceOrder(params: ReplaceOrder): Promise<Order> {
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168 | return parse.order(
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169 | await this.request<RawOrder>({
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170 | method: 'PATCH',
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171 | url: `${this.baseURLs.rest.account}/orders/${params.order_id}`,
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172 | data: params,
|
173 | }),
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174 | );
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175 | }
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176 |
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177 | cancelOrder(params: CancelOrder): Promise<boolean> {
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178 | return this.request<boolean>({
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179 | method: 'DELETE',
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180 | url: `${this.baseURLs.rest.account}/orders/${params.order_id}`,
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181 | isJSON: false,
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182 | });
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183 | }
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184 |
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185 | async cancelOrders(): Promise<OrderCancelation[]> {
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186 | return parse.canceled_orders(
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187 | await this.request<RawOrderCancelation[]>({
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188 | method: 'DELETE',
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189 | url: `${this.baseURLs.rest.account}/orders`,
|
190 | }),
|
191 | );
|
192 | }
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193 |
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194 | async getPosition(params: GetPosition): Promise<Position> {
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195 | return parse.position(
|
196 | await this.request<RawPosition>({
|
197 | method: 'GET',
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198 | url: `${this.baseURLs.rest.account}/positions/${params.symbol}`,
|
199 | }),
|
200 | );
|
201 | }
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202 |
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203 | async getPositions(): Promise<Position[]> {
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204 | return parse.positions(
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205 | await this.request<RawPosition[]>({
|
206 | method: 'GET',
|
207 | url: `${this.baseURLs.rest.account}/positions`,
|
208 | }),
|
209 | );
|
210 | }
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211 |
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212 | async closePosition(params: ClosePosition): Promise<Order> {
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213 | return parse.order(
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214 | await this.request<RawOrder>({
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215 | method: 'DELETE',
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216 | url: `${this.baseURLs.rest.account}/positions/${params.symbol}`,
|
217 | data: params,
|
218 | }),
|
219 | );
|
220 | }
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221 |
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222 | async closePositions(params: ClosePositions): Promise<Order[]> {
|
223 | return parse.orders(
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224 | await this.request<RawOrder[]>({
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225 | method: 'DELETE',
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226 | url: `${
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227 | this.baseURLs.rest.account
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228 | }/positions?cancel_orders=${JSON.stringify(
|
229 | params.cancel_orders ?? false,
|
230 | )}`,
|
231 | }),
|
232 | );
|
233 | }
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234 |
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235 | getAsset(params: GetAsset): Promise<Asset> {
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236 | return this.request({
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237 | method: 'GET',
|
238 | url: `${this.baseURLs.rest.account}/assets/${params.asset_id_or_symbol}`,
|
239 | });
|
240 | }
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241 |
|
242 | getAssets(params?: GetAssets): Promise<Asset[]> {
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243 | return this.request({
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244 | method: 'GET',
|
245 | url: `${this.baseURLs.rest.account}/assets`,
|
246 | data: params,
|
247 | });
|
248 | }
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249 |
|
250 | getWatchlist(params: GetWatchList): Promise<Watchlist> {
|
251 | return this.request({
|
252 | method: 'GET',
|
253 | url: `${this.baseURLs.rest.account}/watchlists/${params.uuid}`,
|
254 | });
|
255 | }
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256 |
|
257 | getWatchlists(): Promise<Watchlist[]> {
|
258 | return this.request({
|
259 | method: 'GET',
|
260 | url: `${this.baseURLs.rest.account}/watchlists`,
|
261 | });
|
262 | }
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263 |
|
264 | createWatchlist(params: CreateWatchList): Promise<Watchlist[]> {
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265 | return this.request({
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266 | method: 'POST',
|
267 | url: `${this.baseURLs.rest.account}/watchlists`,
|
268 | data: params,
|
269 | });
|
270 | }
|
271 |
|
272 | updateWatchlist(params: UpdateWatchList): Promise<Watchlist> {
|
273 | return this.request({
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274 | method: 'PUT',
|
275 | url: `${this.baseURLs.rest.account}/watchlists/${params.uuid}`,
|
276 | data: params,
|
277 | });
|
278 | }
|
279 |
|
280 | addToWatchlist(params: AddToWatchList): Promise<Watchlist> {
|
281 | return this.request({
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282 | method: 'POST',
|
283 | url: `${this.baseURLs.rest.account}/watchlists/${params.uuid}`,
|
284 | data: params,
|
285 | });
|
286 | }
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287 |
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288 | removeFromWatchlist(params: RemoveFromWatchList): Promise<boolean> {
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289 | return this.request<boolean>({
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290 | method: 'DELETE',
|
291 | url: `${this.baseURLs.rest.account}/watchlists/${params.uuid}/${params.symbol}`,
|
292 | });
|
293 | }
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294 |
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295 | deleteWatchlist(params: DeleteWatchList): Promise<boolean> {
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296 | return this.request<boolean>({
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297 | method: 'DELETE',
|
298 | url: `${this.baseURLs.rest.account}/watchlists/${params.uuid}`,
|
299 | });
|
300 | }
|
301 |
|
302 | getCalendar(params?: GetCalendar): Promise<Calendar[]> {
|
303 | return this.request({
|
304 | method: 'GET',
|
305 | url: `${this.baseURLs.rest.account}/calendar`,
|
306 | data: params,
|
307 | });
|
308 | }
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309 |
|
310 | getNews(params?: GetNews): Promise<NewsPage> {
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311 |
|
312 | if ('symbols' in params && Array.isArray(params.symbols)) {
|
313 | params.symbols = params.symbols.join(',');
|
314 | }
|
315 |
|
316 | return this.request({
|
317 | method: 'GET',
|
318 | url: `${this.baseURLs.rest.beta}/news`,
|
319 | data: params,
|
320 | });
|
321 | }
|
322 |
|
323 | async getClock(): Promise<Clock> {
|
324 | return parse.clock(
|
325 | await this.request({
|
326 | method: 'GET',
|
327 | url: `${this.baseURLs.rest.account}/clock`,
|
328 | }),
|
329 | );
|
330 | }
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331 |
|
332 | getAccountConfigurations(): Promise<AccountConfigurations> {
|
333 | return this.request({
|
334 | method: 'GET',
|
335 | url: `${this.baseURLs.rest.account}/account/configurations`,
|
336 | });
|
337 | }
|
338 |
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339 | updateAccountConfigurations(
|
340 | params: UpdateAccountConfigurations,
|
341 | ): Promise<AccountConfigurations> {
|
342 | return this.request({
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343 | method: 'PATCH',
|
344 | url: `${this.baseURLs.rest.account}/account/configurations`,
|
345 | data: params,
|
346 | });
|
347 | }
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348 |
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349 | async getAccountActivities(
|
350 | params: GetAccountActivities,
|
351 | ): Promise<Activity[]> {
|
352 | if (params.activity_types && Array.isArray(params.activity_types)) {
|
353 | params.activity_types = params.activity_types.join(',');
|
354 | }
|
355 |
|
356 | return parse.activities(
|
357 | await this.request<RawActivity[]>({
|
358 | method: 'GET',
|
359 | url: `${this.baseURLs.rest.account}/account/activities${
|
360 | params.activity_type ? '/'.concat(params.activity_type) : ''
|
361 | }`,
|
362 | data: { ...params, activity_type: undefined },
|
363 | }),
|
364 | );
|
365 | }
|
366 |
|
367 | getPortfolioHistory(params?: GetPortfolioHistory): Promise<PortfolioHistory> {
|
368 | return this.request({
|
369 | method: 'GET',
|
370 | url: `${this.baseURLs.rest.account}/account/portfolio/history`,
|
371 | data: params,
|
372 | });
|
373 | }
|
374 |
|
375 |
|
376 | async getBars_v1(
|
377 | params: GetBars_v1,
|
378 | ): Promise<{ [symbol: string]: Bar_v1[] }> {
|
379 | const transformed: Omit<GetBars_v1, 'symbols'> & { symbols: string } = {
|
380 | ...params,
|
381 | symbols: params.symbols.join(','),
|
382 | };
|
383 |
|
384 | return await this.request({
|
385 | method: 'GET',
|
386 | url: `${this.baseURLs.rest.market_data_v1}/bars/${params.timeframe}`,
|
387 | data: transformed,
|
388 | });
|
389 | }
|
390 |
|
391 |
|
392 | async getLastTrade_v1(params: GetLastTrade_v1): Promise<LastTrade_v1> {
|
393 | return await this.request({
|
394 | method: 'GET',
|
395 | url: `${this.baseURLs.rest.market_data_v1}/last/stocks/${params.symbol}`,
|
396 | });
|
397 | }
|
398 |
|
399 |
|
400 | async getLastQuote_v1(params: GetLastQuote_v1): Promise<LastQuote_v1> {
|
401 | return await this.request({
|
402 | method: 'GET',
|
403 | url: `${this.baseURLs.rest.market_data_v1}/last_quote/stocks/${params.symbol}`,
|
404 | });
|
405 | }
|
406 |
|
407 | async getTrades(params: GetTrades): Promise<PageOfTrades> {
|
408 | return parse.pageOfTrades(
|
409 | await this.request({
|
410 | method: 'GET',
|
411 | url: `${this.baseURLs.rest.market_data_v2}/stocks/${params.symbol}/trades`,
|
412 | data: { ...params, symbol: undefined },
|
413 | }),
|
414 | );
|
415 | }
|
416 |
|
417 | async getQuotes(params: GetQuotes): Promise<PageOfQuotes> {
|
418 | return parse.pageOfQuotes(
|
419 | await this.request({
|
420 | method: 'GET',
|
421 | url: `${this.baseURLs.rest.market_data_v2}/stocks/${params.symbol}/quotes`,
|
422 | data: { ...params, symbol: undefined },
|
423 | }),
|
424 | );
|
425 | }
|
426 |
|
427 | async getBars(params: GetBars): Promise<PageOfBars> {
|
428 | return parse.pageOfBars(
|
429 | await this.request({
|
430 | method: 'GET',
|
431 | url: `${this.baseURLs.rest.market_data_v2}/stocks/${params.symbol}/bars`,
|
432 | data: { ...params, symbol: undefined },
|
433 | }),
|
434 | );
|
435 | }
|
436 |
|
437 | async getLatestTrade({
|
438 | symbol,
|
439 | feed,
|
440 | limit,
|
441 | }: GetLatestTrade): Promise<LatestTrade> {
|
442 | let query = '';
|
443 |
|
444 | if (feed || limit) {
|
445 | query = '?'.concat(qs.stringify({ feed, limit }));
|
446 | }
|
447 |
|
448 | return parse.latestTrade(
|
449 | await this.request({
|
450 | method: 'GET',
|
451 | url: `${this.baseURLs.rest.market_data_v2}/stocks/${symbol}/trades/latest`.concat(
|
452 | query,
|
453 | ),
|
454 | }),
|
455 | );
|
456 | }
|
457 |
|
458 | async getSnapshot(params: GetSnapshot): Promise<Snapshot> {
|
459 | return parse.snapshot(
|
460 | await this.request({
|
461 | method: 'GET',
|
462 | url: `${this.baseURLs.rest.market_data_v2}/stocks/${params.symbol}/snapshot`,
|
463 | }),
|
464 | );
|
465 | }
|
466 |
|
467 | async getSnapshots(
|
468 | params: GetSnapshots,
|
469 | ): Promise<{ [key: string]: Snapshot }> {
|
470 | return parse.snapshots(
|
471 | await this.request({
|
472 | method: 'GET',
|
473 | url: `${
|
474 | this.baseURLs.rest.market_data_v2
|
475 | }/stocks/snapshots?symbols=${params.symbols.join(',')}`,
|
476 | }),
|
477 | );
|
478 | }
|
479 |
|
480 | private async request<T = any>(params: {
|
481 | method: 'GET' | 'DELETE' | 'PUT' | 'PATCH' | 'POST';
|
482 | url: string;
|
483 | data?: { [key: string]: any };
|
484 | isJSON?: boolean;
|
485 | }): Promise<T> {
|
486 | let headers: any = {};
|
487 |
|
488 | if ('access_token' in this.params.credentials) {
|
489 | headers[
|
490 | 'Authorization'
|
491 | ] = `Bearer ${this.params.credentials.access_token}`;
|
492 | } else {
|
493 | headers['APCA-API-KEY-ID'] = this.params.credentials.key;
|
494 | headers['APCA-API-SECRET-KEY'] = this.params.credentials.secret;
|
495 | }
|
496 |
|
497 | if (this.params.credentials.paper) {
|
498 | params.url = params.url.replace('api.', 'paper-api.');
|
499 | }
|
500 |
|
501 | let query = '';
|
502 |
|
503 | if (params.data) {
|
504 |
|
505 | for (let [key, value] of Object.entries(params.data)) {
|
506 | if (value instanceof Date) {
|
507 | params.data[key] = (value as Date).toISOString();
|
508 | }
|
509 | }
|
510 |
|
511 |
|
512 | if (!['POST', 'PATCH', 'PUT'].includes(params.method)) {
|
513 | query = '?'.concat(qs.stringify(params.data));
|
514 | params.data = undefined;
|
515 | }
|
516 | }
|
517 |
|
518 | const makeCall = () =>
|
519 | unifetch(params.url.concat(query), {
|
520 | method: params.method,
|
521 | headers,
|
522 | body: JSON.stringify(params.data),
|
523 | }),
|
524 | func = this.params.rate_limit
|
525 | ? () => this.limiter.schedule(makeCall)
|
526 | : makeCall;
|
527 |
|
528 | let resp,
|
529 | result = {};
|
530 |
|
531 | try {
|
532 | resp = await func();
|
533 |
|
534 | if (!(params.isJSON == undefined ? true : params.isJSON)) {
|
535 | return resp.ok as any;
|
536 | }
|
537 |
|
538 | result = await resp.json();
|
539 | } catch (e) {
|
540 | console.error(e);
|
541 | throw result;
|
542 | }
|
543 |
|
544 | if ('code' in result || 'message' in result) {
|
545 | throw result;
|
546 | }
|
547 |
|
548 | return result as any;
|
549 | }
|
550 | }
|