[OTE-753] add new persistent cache table

indexer/packages/postgres/__tests__/helpers/constants.ts

@@ -57,6 +57,7 @@ import {
   TransactionCreateObject,
   TransferCreateObject,
   WalletCreateObject,
+  PersistentCacheCreateObject,
 } from '../../src/types';
 import { denomToHumanReadableConversion } from './conversion-helpers';
 
@@ -940,3 +941,15 @@ export const defaultLeaderboardPnlOneDayToUpsert: LeaderboardPnlCreateObject = {
   currentEquity: '1000',
   rank: 1,
 };
+
+// ============== Persistent cache Data ==============
+
+export const defaultKV: PersistentCacheCreateObject = {
+  key: 'someKey',
+  value: 'someValue',
+};
+
+export const defaultKV2: PersistentCacheCreateObject = {
+  key: 'otherKey',
+  value: 'otherValue',
+};

indexer/packages/postgres/__tests__/stores/persistent-cache-table.test.ts

@@ -0,0 +1,72 @@
+import { PersistentCacheFromDatabase } from '../../src/types';
+import { clearData, migrate, teardown } from '../../src/helpers/db-helpers';
+import { defaultKV, defaultKV2 } from '../helpers/constants';
+import * as PersistentCacheTable from '../../src/stores/persistent-cache-table';
+
+describe('Persistent cache store', () => {
+  beforeAll(async () => {
+    await migrate();
+  });
+
+  afterEach(async () => {
+    await clearData();
+  });
+
+  afterAll(async () => {
+    await teardown();
+  });
+
+  it('Successfully creates a key value pair', async () => {
+    await PersistentCacheTable.create(defaultKV);
+  });
+
+  it('Successfully upserts a kv pair multiple times', async () => {
+    const newKv = {
+      ...defaultKV,
+      value: 'someOtherValue',
+    };
+    await PersistentCacheTable.upsert(newKv);
+    let kv: PersistentCacheFromDatabase | undefined = await PersistentCacheTable.findById(
+      defaultKV.key,
+    );
+    expect(kv).toEqual(expect.objectContaining(newKv));
+
+    const newKv2 = {
+      ...defaultKV,
+      value: 'someOtherValue2',
+    };
+    await PersistentCacheTable.upsert(newKv2);
+    kv = await PersistentCacheTable.findById(defaultKV.key);
+
+    expect(kv).toEqual(expect.objectContaining(newKv2));
+  });
+
+  it('Successfully finds all kv pairs', async () => {
+    await Promise.all([
+      PersistentCacheTable.create(defaultKV),
+      PersistentCacheTable.create(defaultKV2),
+    ]);
+
+    const kvs: PersistentCacheFromDatabase[] = await PersistentCacheTable.findAll(
+      {},
+      [],
+      { readReplica: true },
+    );
+
+    expect(kvs.length).toEqual(2);
+    expect(kvs).toEqual(expect.arrayContaining([
+      expect.objectContaining(defaultKV),
+      expect.objectContaining(defaultKV2),
+    ]));
+  });
+
+  it('Successfully finds a kv pair', async () => {
+    await PersistentCacheTable.create(defaultKV);
+
+    const kv: PersistentCacheFromDatabase | undefined = await PersistentCacheTable.findById(
+      defaultKV.key,
+    );
+
+    expect(kv).toEqual(expect.objectContaining(defaultKV));
+  });
+});

indexer/packages/postgres/src/db/migrations/migration_files/20240829171730_create_persistent_cache_table.ts

@@ -0,0 +1,12 @@
+import * as Knex from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+  return knex.schema.createTable('persistent_cache', (table) => {
+    table.string('key').primary().notNullable();
+    table.string('value').notNullable();
+  });
+}
+
+export async function down(knex: Knex): Promise<void> {
+  return knex.schema.dropTable('persistent_cache');
+}

indexer/packages/postgres/src/helpers/db-helpers.ts

@@ -28,6 +28,7 @@ const layer1Tables = [
   'trading_rewards',
   'trading_reward_aggregations',
   'compliance_status',
+  'persistent_cache',
 ];
 
 /**

indexer/packages/postgres/src/index.ts

@@ -18,6 +18,7 @@ export { default as TradingRewardModel } from './models/trading-reward-model';
 export { default as TradingRewardAggregationModel } from './models/trading-reward-aggregation-model';
 export { default as SubaccountUsernamesModel } from './models/subaccount-usernames-model';
 export { default as LeaderboardPnlModel } from './models/leaderboard-pnl-model';
+export { default as PersistentCacheModel } from './models/persistent-cache-model';
 
 export * as AssetTable from './stores/asset-table';
 export * as AssetPositionTable from './stores/asset-position-table';
@@ -43,6 +44,7 @@ export * as TradingRewardTable from './stores/trading-reward-table';
 export * as TradingRewardAggregationTable from './stores/trading-reward-aggregation-table';
 export * as LeaderboardPnlTable from './stores/leaderboard-pnl-table';
 export * as SubaccountUsernamesTable from './stores/subaccount-usernames-table';
+export * as PersistentCacheTable from './stores/persistent-cache-table';
 
 export * as perpetualMarketRefresher from './loops/perpetual-market-refresher';
 export * as assetRefresher from './loops/asset-refresher';

indexer/packages/postgres/src/models/persistent-cache-model.ts

@@ -0,0 +1,31 @@
+import UpsertQueryBuilder from '../query-builders/upsert';
+import BaseModel from './base-model';
+
+export default class PersistentCacheModel extends BaseModel {
+  static get tableName() {
+    return 'persistent_cache';
+  }
+
+  static get idColumn() {
+    return 'key';
+  }
+
+  static relationMappings = {};
+
+  static get jsonSchema() {
+    return {
+      type: 'object',
+      required: ['key', 'value'],
+      properties: {
+        key: { type: 'string' },
+        value: { type: 'string' },
+      },
+    };
+  }
+
+  QueryBuilderType!: UpsertQueryBuilder<this>;
+
+  key!: string;
+
+  value!: string;
+}

indexer/packages/postgres/src/stores/persistent-cache-table.ts

@@ -0,0 +1,94 @@
+import { QueryBuilder } from 'objection';
+
+import { DEFAULT_POSTGRES_OPTIONS } from '../constants';
+import { setupBaseQuery, verifyAllRequiredFields } from '../helpers/stores-helpers';
+import Transaction from '../helpers/transaction';
+import PersistentCacheModel from '../models/persistent-cache-model';
+import {
+  Options,
+  Ordering,
+  QueryableField,
+  QueryConfig,
+  PersistentCacheColumns,
+  PersistentCacheCreateObject,
+  PersistentCacheFromDatabase,
+  PersistentCacheQueryConfig,
+} from '../types';
+
+export async function findAll(
+  {
+    key,
+    limit,
+  }: PersistentCacheQueryConfig,
+  requiredFields: QueryableField[],
+  options: Options = DEFAULT_POSTGRES_OPTIONS,
+): Promise<PersistentCacheFromDatabase[]> {
+  verifyAllRequiredFields(
+    {
+      key,
+      limit,
+    } as QueryConfig,
+    requiredFields,
+  );
+
+  let baseQuery: QueryBuilder<PersistentCacheModel> = setupBaseQuery<PersistentCacheModel>(
+    PersistentCacheModel,
+    options,
+  );
+
+  if (key) {
+    baseQuery = baseQuery.where(PersistentCacheColumns.key, key);
+  }
+
+  if (options.orderBy !== undefined) {
+    for (const [column, order] of options.orderBy) {
+      baseQuery = baseQuery.orderBy(
+        column,
+        order,
+      );
+    }
+  } else {
+    baseQuery = baseQuery.orderBy(
+      PersistentCacheColumns.key,
+      Ordering.ASC,
+    );
+  }
+
+  if (limit) {
+    baseQuery = baseQuery.limit(limit);
+  }
+
+  return baseQuery.returning('*');
+}
+
+export async function create(
+  kvToCreate: PersistentCacheCreateObject,
+  options: Options = { txId: undefined },
+): Promise<PersistentCacheFromDatabase> {
+  return PersistentCacheModel.query(
+    Transaction.get(options.txId),
+  ).insert(kvToCreate).returning('*');
+}
+
+export async function upsert(
+  kvToUpsert: PersistentCacheCreateObject,
+  options: Options = { txId: undefined },
+): Promise<PersistentCacheFromDatabase> {
+  const kvs: PersistentCacheModel[] = await PersistentCacheModel.query(
+    Transaction.get(options.txId),
+  ).upsert(kvToUpsert).returning('*');
+  // should only ever be one key value pair
+  return kvs[0];
+}
+export async function findById(
+  kv: string,
+  options: Options = DEFAULT_POSTGRES_OPTIONS,
+): Promise<PersistentCacheFromDatabase | undefined> {
+  const baseQuery: QueryBuilder<PersistentCacheModel> = setupBaseQuery<PersistentCacheModel>(
+    PersistentCacheModel,
+    options,
+  );
+  return baseQuery
+    .findById(kv)
+    .returning('*');
+}

indexer/packages/postgres/src/types/db-model-types.ts

@@ -273,6 +273,11 @@ export interface LeaderboardPnlFromDatabase {
   rank: number,
 }
 
+export interface PersistentCacheFromDatabase {
+  key: string,
+  value: string,
+}
+
 export type SubaccountAssetNetTransferMap = { [subaccountId: string]:
 { [assetId: string]: string }, };
 export type SubaccountToPerpetualPositionsMap = { [subaccountId: string]:

indexer/packages/postgres/src/types/index.ts

@@ -28,4 +28,5 @@ export * from './trading-reward-aggregation-types';
 export * from './pagination-types';
 export * from './subaccount-usernames-types';
 export * from './leaderboard-pnl-types';
+export * from './persistent-cache-types';
 export { PositionSide } from './position-types';

indexer/packages/postgres/src/types/persistent-cache-types.ts

@@ -0,0 +1,9 @@
+export interface PersistentCacheCreateObject {
+  key: string,
+  value: string,
+}
+
+export enum PersistentCacheColumns {
+  key = 'key',
+  value = 'value',
+}

indexer/packages/postgres/src/types/query-types.ts

@@ -88,6 +88,7 @@ export enum QueryableField {
   USERNAME = 'username',
   TIMESPAN = 'timeSpan',
   RANK = 'rank',
+  KEY = 'key',
   IS_WHITELIST_AFFILIATE = 'isWhitelistAffiliate',
 }
 
@@ -323,3 +324,7 @@ export interface LeaderboardPnlQueryConfig extends QueryConfig {
   [QueryableField.TIMESPAN]?: string[],
   [QueryableField.RANK]?: number[],
 }
+
+export interface PersistentCacheQueryConfig extends QueryConfig {
+  [QueryableField.KEY]?: string,
+}