Adds EA for LibreCapital

Author: mohamed-mehany

.pnp.cjs

@@ -4,7 +4,6 @@ import dayjs from 'dayjs'
 import { config } from '../config'
 import { httpTransport } from '../transport/nav'
 
-// Input parameters define the structure of the request expected by the endpoint. The second parameter defines example input data that will be used in EA readme
 export const inputParameters = new InputParameters(
   {
     globalFundID: {
@@ -33,18 +32,16 @@ export const inputParameters = new InputParameters(
     },
   ],
 )
-export type NavResultResponse = {
-  Result: number
-  Data: {
-    navPerShare: number
-    navDate: string
-    globalFundID: number
-  }
-}
-
 export type BaseEndpointTypes = {
   Parameters: typeof inputParameters.definition
-  Response: NavResultResponse
+  Response: {
+    Result: number
+    Data: {
+      navPerShare: number
+      navDate: string
+      globalFundID: number
+    }
+  }
   Settings: typeof config.settings
 }
 

packages/sources/nav-libre/src/endpoint/nav.ts

@@ -4,14 +4,17 @@ import { config } from './config'
 import { nav } from './endpoint'
 
 export const adapter = new Adapter({
-  //Requests will direct to this endpoint if the `endpoint` input parameter is not specified.
   defaultEndpoint: nav.name,
-  // Adapter name
   name: 'NAV_LIBRE',
-  // Adapter configuration (environment variables)
   config,
-  // List of supported endpoints
   endpoints: [nav],
+  rateLimiting: {
+    tiers: {
+      default: {
+        rateLimit1m: 1,
+      },
+    },
+  },
 })
 
 export const server = (): Promise<ServerInstance | undefined> => expose(adapter)

packages/sources/nav-libre/src/index.ts

@@ -16,7 +16,7 @@ export const getNavRequestHeaders = (
   const contentHash = CryptoJS.SHA256(body).toString(CryptoJS.enc.Base64)
   const stringToSign = [apiKey, path, method, utcNow, nonce, contentHash].join(';')
 
-  // 5. Compute the HMAC-SHA256 signature, Base64-encoded
+  // Compute the HMAC-SHA256 signature, Base64-encoded
   const signature = CryptoJS.HmacSHA256(stringToSign, secret).toString(CryptoJS.enc.Base64)
 
   return {

packages/sources/nav-libre/src/transport/authentication.ts

@@ -26,17 +26,13 @@ export interface ResponseSchema {
   }[]
 }
 
-// HttpTransport extends base types from endpoint and adds additional, Provider-specific types like 'RequestBody', which is the type of
-// request body (not the request to adapter, but the request that adapter sends to Data Provider), and 'ResponseBody' which is
-// the type of raw response from Data Provider
 export type HttpTransportTypes = BaseEndpointTypes & {
   Provider: {
     RequestBody: never
     ResponseBody: ResponseSchema
   }
 }
-// HttpTransport is used to fetch and process data from a Provider using HTTP(S) protocol. It usually needs two methods
-// `prepareRequests` and `parseResponse`
+
 export const httpTransport = new HttpTransport<HttpTransportTypes>({
   prepareRequests: (params, config) => {
     return params.map((param) => {
@@ -58,6 +54,7 @@ export const httpTransport = new HttpTransport<HttpTransportTypes>({
       const path =
         '/navapigateway/api/v1/FundAccountingData/GetOfficialNAVAndPerformanceReturnsForFund'
       const query = `globalFundID=${param.globalFundID}&fromDate=${fromDate}&toDate=${toDate}`
+      // Body is empy for GET
       const body = ''
 
       const headers = getNavRequestHeaders(
@@ -75,8 +72,8 @@ export const httpTransport = new HttpTransport<HttpTransportTypes>({
           headers,
           params: {
             globalFundID: param.globalFundID,
-            fromDate: param.fromDate,
-            toDate: param.toDate,
+            fromDate,
+            toDate,
           },
         },
       }
@@ -98,6 +95,10 @@ export const httpTransport = new HttpTransport<HttpTransportTypes>({
       return new Date(a['Accounting Date']) > new Date(b['Accounting Date']) ? a : b
     })
 
+    const timestamps = {
+      providerIndicatedTimeUnixMs: new Date(latest['Accounting Date']).getTime(),
+    }
+
     return params.map((param) => ({
       params: param,
       response: {
@@ -107,6 +108,8 @@ export const httpTransport = new HttpTransport<HttpTransportTypes>({
           navDate: latest['Accounting Date'],
           globalFundID: param.globalFundID,
         },
+        timestamps,
+        statusCode: 200,
       },
     }))
   },

packages/sources/nav-libre/src/transport/nav.ts

@@ -1,6 +1,7 @@
 {
  "requests": [{
-  "from": "BTC",
-  "to": "USD"
+    "globalFundID": 1234,
+    "fromDate": "01-01-2024",
+    "toDate": "01-30-2024"
  }]
 }

packages/sources/nav-libre/test-payload.json

@@ -0,0 +1,17 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`execute nav endpoint should return success 1`] = `
+{
+  "data": {
+    "globalFundID": 1234,
+    "navDate": "01-01-2024",
+    "navPerShare": 123.45,
+  },
+  "result": 123.45,
+  "statusCode": 200,
+  "timestamps": {
+    "providerDataReceivedUnixMs": 978347471111,
+    "providerDataRequestedUnixMs": 978347471111,
+  },
+}
+`;