feat: added info for single validator page

.env.example

@@ -19,5 +19,9 @@ REDIS_HOST=localhost
 REDIS_PORT=6379
 
 # cache
-MY_STAKING_OVERVIEW=120000 #2 mins
-GLOBAL_STAKING_OVERVIEW=120000 #2 mins
+MY_STAKING_OVERVIEW=120 #2 mins
+GLOBAL_STAKING_OVERVIEW=120 #2 mins
+STAKING_VALIDATORS=120 #2 mins
+
+#Keybase
+KEYBASE_URL=https://keybase.io/_/api/1.0

src/core/config/config.dto.ts

@@ -4,6 +4,7 @@ export interface ConfigDto {
   okp4: Okp4Config;
   redis: RedisConfig;
   cache: CacheConfig;
+  keybase: KeybaseConfig;
 }
 
 export interface AppConfig {
@@ -31,4 +32,9 @@ export interface CacheConfig {
   myStakingOverview: number;
   globalStakingOverview: number;
   validators: number;
+  validatorDelegation: number;
+}
+
+export interface KeybaseConfig {
+  url: string;
 }

src/core/config/config.schema.ts

@@ -14,4 +14,6 @@ export const ConfigSchema = Joi.object({
   MY_STAKING_OVERVIEW: Joi.number().required(),
   GLOBAL_STAKING_OVERVIEW: Joi.number().required(),
   STAKING_VALIDATORS: Joi.number().required(),
+  STAKING_VALIDATOR_DELEGATION: Joi.number().required(),
+  KEYBASE_URL: Joi.string().required(),
 }).required();

src/core/config/config.ts

@@ -22,5 +22,9 @@ export const config: ConfigDto = {
     myStakingOverview: +process.env.MY_STAKING_OVERVIEW!,
     globalStakingOverview: +process.env.GLOBAL_STAKING_OVERVIEW!,
     validators: +process.env.STAKING_VALIDATORS!,
+    validatorDelegation: +process.env.STAKING_VALIDATOR_DELEGATION!,
+  },
+  keybase: {
+    url: process.env.KEYBASE_URL!,
   }
 };

src/core/lib/keybase/keybase.service.ts

@@ -0,0 +1,59 @@
+import { BadRequestException, Injectable } from "@nestjs/common";
+import { HttpService } from "../http.service";
+import { config } from "@core/config/config";
+import { GSFResponse } from "./responses/generic-success-failed.response";
+import { FailedResponse } from "./responses/failed.response";
+import { createUrlParams } from "@utils/create-url-params";
+import { UserLookupResponse } from "./responses/user-lookup.response";
+
+@Injectable()
+export class KeybaseService {
+  private BASE_URL = config.keybase.url;
+
+  constructor(private readonly httpService: HttpService) {}
+
+  private constructUrl(endpoint: string, params?: string): string {
+    return `${this.BASE_URL}/${endpoint}${params ? `?${params}` : ''}`;
+  }
+
+  private getWithErrorHandling<T>(url: string): Promise<T> {
+    return this.errorHandleWrapper(
+      this.httpService.get.bind(
+        null,
+        url,
+      ),
+    );
+  }
+
+  async getUserLookup(key: string): Promise<UserLookupResponse> {
+    return this.getWithErrorHandling(
+      this.constructUrl(
+        'user/lookup.json',
+        createUrlParams({
+          fields: 'pictures',
+          key_suffix: key
+        })
+      )
+    )
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  private async errorHandleWrapper<T>(fn: any): Promise<T> {
+    try {
+      const response: GSFResponse<T> = await fn();
+
+      if (this.isFailedResponse(response)) {
+        throw new BadRequestException(response.status.name);
+      }
+
+      return response as T;
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    } catch (e: any) {
+      throw new BadRequestException(e.message);
+    }
+  }
+
+  private isFailedResponse<T>(response: GSFResponse<T>): response is FailedResponse {
+    return (response as FailedResponse).status.code !== 0;
+  }
+}

src/core/lib/keybase/responses/failed.response.ts

@@ -0,0 +1,10 @@
+export interface FailedResponse {
+  status: {
+    code: number;
+    desc: string;
+    fields: {
+      key_suffix: string;
+    };
+    name: string;
+  }
+}

src/core/lib/keybase/responses/generic-success-failed.response.ts

@@ -0,0 +1,3 @@
+import { FailedResponse } from './failed.response';
+
+export type GSFResponse<T> = T | FailedResponse; // Generic Success / Failed Response for Osmosis

src/core/lib/keybase/responses/user-lookup.response.ts

@@ -0,0 +1,17 @@
+export interface UserLookupResponse {
+  status: {
+    code: number;
+    name: string;
+  },
+  them: [
+    {
+      id: string;
+      pictures: {
+        primary: {
+          url: string;
+          source: string;
+        }
+      }
+    }
+  ]
+}

src/core/lib/okp4/enums/endpoints.enum.ts

@@ -6,4 +6,5 @@ export enum Endpoints {
   SPENDABLE_BALANCE = 'cosmos/bank/v1beta1/spendable_balances',
   VALIDATORS = 'cosmos/staking/v1beta1/validators',
   TOTAL_SUPPLY = 'cosmos/bank/v1beta1/supply',
+  VALIDATO_DELEGATIONS = 'cosmos/staking/v1beta1/validators/:validator_addr/delegations',
 }

src/core/lib/okp4/enums/route-param.enum.ts

@@ -1,3 +1,4 @@
 export enum RouteParam {
   DELEGATOR_ADDRES = ':delegator_addr',
+  VALIDATOR_ADDRES = ':validator_addr',
 }

src/core/lib/okp4/okp4.service.ts

@@ -13,6 +13,7 @@ import { DelegatorsRewardsResponse } from "./responses/delegators-rewards.respon
 import { SpendableBalancesResponse } from "./responses/spendable-balances.response";
 import { SupplyResponse } from "./responses/supply.response";
 import { ValidatorStatus } from "./enums/validator-status.enum";
+import { ValidatorDelegationsResponse } from "./responses/validator-delegations.response";
 
 @Injectable()
 export class Okp4Service {
@@ -95,6 +96,26 @@ export class Okp4Service {
     return this.getWithErrorHandling(url);
   }
 
+  async getValidatorDelegations(validatorAddr: string, limit?: number, offset?: number): Promise<ValidatorDelegationsResponse> {
+    let params = undefined;
+    if (limit && offset) {
+      params = createUrlParams({
+        'pagination.offset': offset.toString(),
+        'pagination.limit': limit.toString(),
+        'pagination.count_total': true.toString()
+      })
+    }
+    return this.getWithErrorHandling(
+      this.constructUrl(
+        Endpoints.VALIDATO_DELEGATIONS.replace(
+          RouteParam.VALIDATOR_ADDRES,
+          validatorAddr,
+        ),
+        params
+      )
+    );
+  }
+
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   private async errorHandleWrapper<T>(fn: any): Promise<T> {
     try {

src/core/lib/okp4/responses/validator-delegations.response.ts

@@ -0,0 +1,15 @@
+import { WithPaginationResponse } from "./with-pagination.response";
+
+export type ValidatorDelegationsResponse = WithPaginationResponse<{ delegation_responses: Delegation[] }>;
+
+export interface Delegation {
+  delegation: {
+    delegator_address: string;
+    validator_address: string;
+    shares: string
+  };
+  balance: {
+    denom: string;
+    amount: string;
+  }
+}

src/modules/staking/dtos/my-validator-delegation.dto.ts

@@ -0,0 +1,4 @@
+export interface MyValidatorDelegationDto {
+  address: string;
+  validatorAddress: string;
+}

src/modules/staking/dtos/validator-delegations.dto.ts

@@ -0,0 +1,5 @@
+export interface ValidatorDelegationsDto {
+  address: string;
+  limit?: number;
+  offset?: number;
+}

src/modules/staking/dtos/validators-view.dto.ts

@@ -1,8 +1,22 @@
 export interface ValidatorsViewDto {
+  logo: string;
+  description: {
+    moniker: string;
+    identity: string;
+    website: string;
+    securityContact: string;
+    details: string;
+  };
+  commission: {
+    rate: string;
+    maxRate: string;
+    maxChangeRate: string;
+    updateTime: string;
+  };
   address: string;
-  name: string;
   status: string;
   jailed: boolean;
   stakedAmount: string;
-  commission: string;
+  uptime: number;
+  votingPower: number;
 }

src/modules/staking/enums/query-param.enum.ts

@@ -1,3 +1,4 @@
 export enum QueryParam {
   ADDRESS = 'address',
+  VALIDATOR_ADDRESS = 'validatorAddress',
 }

src/modules/staking/enums/staking-cache-prefix.enum.ts

@@ -0,0 +1,6 @@
+export enum StakingCachePrefix {
+  STAKING = 'staking',
+  GLOBAL_OVERVIEW = 'global_overview',
+  VALIDATORS = 'validators',
+  VALIDATOR_IMG = 'validator_img',
+}

src/modules/staking/enums/staking-endpoints.enum.ts

@@ -1,5 +1,7 @@
 export enum StakingEndpoints {
   MY_OVERVIEW = '/my/overview',
+  MY_VALIDATOR_DELEGATION = '/my/validator-delegation',
+  VALIDATOR_DELEGATIONS = '/validator-delegations',
   OVERVIEW = '/overview',
   VALIDATORS = '/validators',
 }

src/modules/staking/schemas/my-validator-delegation.schema.ts

@@ -0,0 +1,6 @@
+import * as Joi from 'joi';
+
+export const MyValidatorDelegationSchema = Joi.object({
+  address: Joi.string().required(),
+  validatorAddress: Joi.string().required(),
+}).required()

src/modules/staking/schemas/validator-delegations.schema.ts

@@ -0,0 +1,10 @@
+import * as Joi from 'joi';
+
+export const ValidatorDelegationsSchema = Joi.object({
+  address: Joi.string().required(),
+  limit: Joi.number().optional(),
+  offset: Joi.number().optional(),
+})
+  .keys()
+  .and('limit', 'offset')
+  .required();

src/modules/staking/services/staking.cache.ts

@@ -1,14 +1,12 @@
 import { config } from "@core/config/config";
 import { CACHE_MANAGER } from "@nestjs/cache-manager";
 import { Inject, Injectable } from "@nestjs/common";
+import { createHash } from 'crypto';
 import { Cache } from 'cache-manager';
+import { StakingCachePrefix } from "../enums/staking-cache-prefix.enum";
 
 @Injectable()
 export class StakingCache {
-  private redisStakingPrefix = 'staking';
-  private globalOverviewPrefix = 'global_overview';
-  private validatorsPrefix = 'validators';
-
   constructor(
     @Inject(CACHE_MANAGER) private cacheService: Cache,
   ) { }
@@ -34,23 +32,52 @@ export class StakingCache {
 
   async setGlobalStakedOverview(data: unknown) {
     const serialized = JSON.stringify(data);
-    await this.cacheService.set(this.createRedisKey(this.globalOverviewPrefix), serialized, config.cache.globalStakingOverview);
+    await this.cacheService.set(this.createRedisKey(StakingCachePrefix.GLOBAL_OVERVIEW), serialized, config.cache.globalStakingOverview);
   }
 
   async getGlobalStakedOverview() {
-    return this.getObjByRedisKey(this.createRedisKey(this.globalOverviewPrefix));
+    return this.getObjByRedisKey(this.createRedisKey(StakingCachePrefix.GLOBAL_OVERVIEW));
   }
 
   async setValidators(validators: unknown[]) {
     const serialized = JSON.stringify(validators);
-    await this.cacheService.set(this.createRedisKey(this.validatorsPrefix), serialized, config.cache.validators);
+    await this.cacheService.set(this.createRedisKey(StakingCachePrefix.VALIDATORS), serialized, config.cache.validators);
   }
 
   async getValidators() {
-    return this.getObjByRedisKey(this.createRedisKey(this.validatorsPrefix));
+    return this.getObjByRedisKey(this.createRedisKey(StakingCachePrefix.VALIDATORS));
+  }
+
+  async setValidatorDelegation(address: string, validatorAddress: string, data: unknown) {
+    const serialized = JSON.stringify(data);
+    const hash = this.createValidatorDelegationHash(address, validatorAddress);
+    await this.cacheService.set(
+      this.createRedisKey(hash),
+      serialized,
+      config.cache.validators
+    );
+  }
+
+  async getValidatorDelegation(address: string, validatorAddress: string) {
+    const hash = this.createValidatorDelegationHash(address, validatorAddress);
+    return this.getObjByRedisKey(this.createRedisKey(hash));
+  }
+
+  private createValidatorDelegationHash(address: string, validatorAddress: string) {
+    const hash = createHash('sha256');
+    hash.update(`${address}_${validatorAddress}`);
+    return hash.digest('hex');
+  }
+
+  async setValidatorImg(id: string, imgUrl: string) {
+    this.cacheService.set(this.createRedisKey(StakingCachePrefix.VALIDATOR_IMG, id), imgUrl);
+  }
+
+  async getValidatorImg(id: string) {
+    return this.cacheService.get(this.createRedisKey(StakingCachePrefix.VALIDATOR_IMG, id));
   }
 
-  private createRedisKey(id: string) {
-    return `${this.redisStakingPrefix}_${id}`;
+  private createRedisKey(...ids: string[]) {
+    return ids.reduce((acc, id) => acc + `_${id}`, `${StakingCachePrefix.STAKING}`);
   }
 }