From c253559e89c5cd9f5d961970821e2d0516eca2b5 Mon Sep 17 00:00:00 2001
From: James Eberhardt <james@eberhardt.ca>
Date: Fri, 17 Jul 2020 14:14:18 -0400
Subject: [PATCH] Removing TRANSMISSION_RISK_LEVEL from .env and setting it as
 a const.

---
 .env.example                                  | 1 -
 src/env/index.ts                              | 2 --
 src/services/BackendService/BackendService.ts | 7 +++----
 3 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/.env.example b/.env.example
index 55de67733..0db91c152 100644
--- a/.env.example
+++ b/.env.example
@@ -7,7 +7,6 @@ SUBMIT_URL=https://submission.covidshield.app
 RETRIEVE_URL=https://retrieval.covidshield.app
 HMAC_KEY=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 MCC_CODE=302
-TRANSMISSION_RISK_LEVEL=2
 
 TEST_MODE=false
 MOCK_SERVER=false
diff --git a/src/env/index.ts b/src/env/index.ts
index 4587ad015..9f21f0271 100644
--- a/src/env/index.ts
+++ b/src/env/index.ts
@@ -18,8 +18,6 @@ export const HMAC_KEY = Config.HMAC_KEY;
 
 export const MCC_CODE = parseInt(Config.MCC_CODE, 10) || 302;
 
-export const TRANSMISSION_RISK_LEVEL = parseInt(Config.TRANSMISSION_RISK_LEVEL, 10);
-
 export const TEST_MODE = Config.TEST_MODE === 'true' || false;
 
 export const MOCK_SERVER = Config.MOCK_SERVER === 'true' || false;
diff --git a/src/services/BackendService/BackendService.ts b/src/services/BackendService/BackendService.ts
index 450ad4f3a..583a9f1be 100644
--- a/src/services/BackendService/BackendService.ts
+++ b/src/services/BackendService/BackendService.ts
@@ -6,7 +6,7 @@ import {TemporaryExposureKey} from 'bridge/ExposureNotification';
 import nacl from 'tweetnacl';
 import {getRandomBytes, downloadDiagnosisKeysFile} from 'bridge/CovidShield';
 import {blobFetch} from 'shared/fetch';
-import {MCC_CODE, TRANSMISSION_RISK_LEVEL} from 'env';
+import {MCC_CODE} from 'env';
 import {captureMessage, captureException} from 'shared/log';
 import {getMillisSinceUTCEpoch} from 'shared/date-fns';
 
@@ -18,6 +18,7 @@ import {BackendInterface, SubmissionKeySet} from './types';
 
 const MAX_UPLOAD_KEYS = 14;
 const FETCH_HEADERS = {headers: {'Cache-Control': 'no-store'}};
+const TRANSMISSION_RISK_LEVEL = 1;
 
 // See https://github.com/cds-snc/covid-shield-server/pull/176
 const LAST_14_DAYS_PERIOD = '00000';
@@ -104,9 +105,7 @@ export class BackendService implements BackendInterface {
       keys: exposureKeys.map(key =>
         covidshield.TemporaryExposureKey.create({
           keyData: Buffer.from(key.keyData, 'base64'),
-          transmissionRiskLevel:
-            TRANSMISSION_RISK_LEVEL ||
-            key.transmissionRiskLevel /* See transmissionRiskLevel https://developers.google.com/android/exposure-notifications/exposure-notifications-api#temporaryexposurekey */,
+          transmissionRiskLevel: TRANSMISSION_RISK_LEVEL,
           rollingStartIntervalNumber: key.rollingStartIntervalNumber,
           rollingPeriod: key.rollingPeriod,
         }),