add candidates/rank endpoint

SimonKraus · Feb 14, 2024 · 5ee058a · 5ee058a
1 parent c4c33c7
commit 5ee058a
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Showing 3 changed files with 23 additions and 2 deletions.
diff --git a/packages/gateway/src/controllers/Candidate.ts b/packages/gateway/src/controllers/Candidate.ts
@@ -38,6 +38,14 @@ export default class CandidateController {
     response(context, 200, await CandidateService.getCandidates());
   }
 
+  public static async getRankCandidates(context: any): Promise<void> {
+    if (await context.cashed()) {
+      logger.info(`{Gateway} getCandidates is cached`, gatewayLabel);
+      return;
+    }
+    response(context, 200, await CandidateService.getRankCandidates());
+  }
+
   public static async getNodes(context: any): Promise<void> {
     if (await context.cashed()) {
       logger.info(`{Gateway} getNodes is cached`, gatewayLabel);

diff --git a/packages/gateway/src/routes/index.ts b/packages/gateway/src/routes/index.ts
@@ -20,6 +20,7 @@ const API = {
   Accounting: "/accounting/:address",
   Candidate: "/candidate/:address",
   GetCandidates: "/candidates",
+  GetRankCandidates: "/candidates/rank",
   GetValidCandidates: "/candidates/valid",
   GetInvalidCandidates: "/candidates/invalid",
   GetNodes: "/nodes",
@@ -92,6 +93,7 @@ router.get(API.Accounting, Accounting.getAccounting);
 
 router.get(API.Candidate, Candidate.getCandidate);
 router.get(API.GetCandidates, Candidate.getCandidates);
+router.get(API.GetRankCandidates, Candidate.getRankCandidates);
 router.get(API.GetValidCandidates, Candidate.getValidCandidates);
 router.get(API.GetInvalidCandidates, Candidate.getInvalidCandidates);
 

diff --git a/packages/gateway/src/services/Candidate.ts b/packages/gateway/src/services/Candidate.ts
@@ -91,8 +91,6 @@ export const getInvalidCandidates = async (): Promise<any> => {
 };
 
 export const getCandidates = async (): Promise<any> => {
-  const metadata = await queries.getChainMetadata();
-  const denom = Math.pow(10, metadata?.decimals);
   let allCandidates = await queries.allCandidates();
   allCandidates = await Promise.all(
     allCandidates.map(async (candidate) => {
@@ -105,6 +103,19 @@ export const getCandidates = async (): Promise<any> => {
   return allCandidates;
 };
 
+export const getRankCandidates = async (): Promise<any> => {
+  let allCandidates = await queries.allCandidates();
+  allCandidates = await Promise.all(
+    allCandidates.map(async (candidate) => {
+      return await getCandidateData(candidate);
+    }),
+  );
+  allCandidates = allCandidates.sort((a, b) => {
+    return b.rank - a.rank;
+  });
+  return allCandidates;
+};
+
 export const getNodes = async (): Promise<any> => {
   const allNodes: Array<any> = await queries.allNodes();
   return allNodes.map((node) => {