feat: erc20 statistic (total holder)

migrations/evm/20240502080101_erc20_statistic.ts

@@ -0,0 +1,16 @@
+import { Knex } from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+  await knex.schema.createTable('erc20_statistic', (table) => {
+    table.increments();
+    table.integer('erc20_contract_id').notNullable();
+    table.foreign('erc20_contract_id').references('erc20_contract.id');
+    table.integer('total_holder');
+    table.date('date').index().notNullable();
+    table.unique(['erc20_contract_id', 'date']);
+  });
+}
+
+export async function down(knex: Knex): Promise<void> {
+  await knex.schema.dropTableIfExists('erc20_statistic');
+}

src/models/erc20_contract.ts

@@ -3,8 +3,11 @@ import BaseModel from './base';
 import { EVMSmartContract } from './evm_smart_contract';
 // eslint-disable-next-line import/no-cycle
 import { Erc20Activity } from './erc20_activity';
+import { AccountBalance } from './account_balance';
 
 export class Erc20Contract extends BaseModel {
+  [relation: string]: any;
+
   static softDelete = false;
 
   id!: number;
@@ -61,6 +64,14 @@ export class Erc20Contract extends BaseModel {
           from: 'erc20_contract.address',
         },
       },
+      holders: {
+        relation: Model.HasManyRelation,
+        modelClass: AccountBalance,
+        join: {
+          to: 'account_balance.denom',
+          from: 'erc20_contract.address',
+        },
+      },
     };
   }
 

src/models/erc20_statistic.ts

@@ -0,0 +1,44 @@
+import { Model } from 'objection';
+import BaseModel from './base';
+import { Erc20Contract } from './erc20_contract';
+
+export class Erc20Statistic extends BaseModel {
+  static softDelete = false;
+
+  [relation: string]: any;
+
+  date!: Date;
+
+  erc20_contract_id!: number;
+
+  total_holder!: number;
+
+  static get tableName() {
+    return 'erc20_statistic';
+  }
+
+  static get jsonSchema() {
+    return {
+      type: 'object',
+      required: ['erc20_contract_id', 'total_holder', 'date'],
+      properties: {
+        erc20_contract_id: { type: 'number' },
+        total_holder: { type: 'number' },
+        date: { type: 'object' },
+      },
+    };
+  }
+
+  static get relationMappings() {
+    return {
+      erc20_contract: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: Erc20Contract,
+        join: {
+          from: 'erc20_statistic.erc20_contract_id',
+          to: 'erc20_contract.id',
+        },
+      },
+    };
+  }
+}

src/models/index.ts

@@ -43,5 +43,6 @@ export * from './evm_internal_transaction';
 export * from './erc721_activity';
 export * from './erc721_token';
 export * from './account_balance';
+export * from './erc20_statistic';
 export * from './erc721_contract';
 export * from './erc721_stats';

src/services/evm/erc20.service.ts

@@ -8,17 +8,24 @@ import { Context, ServiceBroker } from 'moleculer';
 import { PublicClient, getContract } from 'viem';
 import config from '../../../config.json' assert { type: 'json' };
 import BullableService, { QueueHandler } from '../../base/bullable.service';
-import { SERVICE as COSMOS_SERVICE } from '../../common';
+import { SERVICE as COSMOS_SERVICE, Config } from '../../common';
 import knex from '../../common/utils/db_connection';
 import { getViemClient } from '../../common/utils/etherjs_client';
-import { BlockCheckpoint, EVMSmartContract, EvmEvent } from '../../models';
+import {
+  Block,
+  BlockCheckpoint,
+  EVMSmartContract,
+  Erc20Statistic,
+  EvmEvent,
+} from '../../models';
 import { AccountBalance } from '../../models/account_balance';
 import { Erc20Activity } from '../../models/erc20_activity';
 import { Erc20Contract } from '../../models/erc20_contract';
 import { BULL_JOB_NAME, SERVICE as EVM_SERVICE, SERVICE } from './constant';
 import { ERC20_EVENT_TOPIC0, Erc20Handler } from './erc20_handler';
 import { convertEthAddressToBech32Address } from './utils';
 
+const { NODE_ENV } = Config;
 @Service({
   name: EVM_SERVICE.V1.Erc20.key,
   version: 1,
@@ -156,6 +163,7 @@ export default class Erc20Service extends BullableService {
         [BULL_JOB_NAME.HANDLE_ERC20_ACTIVITY],
         config.erc20.key
       );
+    await this.handleStatistic(startBlock);
     // get Erc20 activities
     let erc20Activities = await this.getErc20Activities(startBlock, endBlock);
     // get missing Account
@@ -372,50 +380,96 @@ export default class Erc20Service extends BullableService {
     }));
   }
 
+  async handleStatistic(startBlock: number) {
+    const systemDate = (
+      await Block.query()
+        .where('height', startBlock + 1)
+        .first()
+        .throwIfNotFound()
+    ).time;
+    const lastUpdatedRecord = await Erc20Statistic.query().max('date').first();
+    const lastUpdatedDate = lastUpdatedRecord?.max;
+    if (lastUpdatedDate) {
+      systemDate.setHours(0, 0, 0, 0);
+      lastUpdatedDate.setHours(0, 0, 0, 0);
+      if (systemDate > lastUpdatedDate) {
+        await this.handleTotalHolderStatistic(systemDate);
+      }
+    } else {
+      await this.handleTotalHolderStatistic(systemDate);
+    }
+  }
+
+  async handleTotalHolderStatistic(systemDate: Date) {
+    const totalHolders = await Erc20Contract.query()
+      .joinRelated('holders')
+      .where('erc20_contract.track', true)
+      .groupBy('erc20_contract.id')
+      .select(
+        'erc20_contract.id as erc20_contract_id',
+        knex.raw(
+          'count(CASE when holders.amount > 0 THEN 1 ELSE null END) as count'
+        )
+      );
+    if (totalHolders.length > 0) {
+      await Erc20Statistic.query().insert(
+        totalHolders.map((e) =>
+          Erc20Statistic.fromJson({
+            erc20_contract_id: e.erc20_contract_id,
+            total_holder: e.count,
+            date: systemDate,
+          })
+        )
+      );
+    }
+  }
+
   public async _start(): Promise<void> {
     this.viemClient = getViemClient();
-    await this.createJob(
-      BULL_JOB_NAME.HANDLE_ERC20_CONTRACT,
-      BULL_JOB_NAME.HANDLE_ERC20_CONTRACT,
-      {},
-      {
-        removeOnComplete: true,
-        removeOnFail: {
-          count: 3,
-        },
-        repeat: {
-          every: config.erc20.millisecondRepeatJob,
-        },
-      }
-    );
-    await this.createJob(
-      BULL_JOB_NAME.HANDLE_ERC20_ACTIVITY,
-      BULL_JOB_NAME.HANDLE_ERC20_ACTIVITY,
-      {},
-      {
-        removeOnComplete: true,
-        removeOnFail: {
-          count: 3,
-        },
-        repeat: {
-          every: config.erc20.millisecondRepeatJob,
-        },
-      }
-    );
-    await this.createJob(
-      BULL_JOB_NAME.HANDLE_ERC20_BALANCE,
-      BULL_JOB_NAME.HANDLE_ERC20_BALANCE,
-      {},
-      {
-        removeOnComplete: true,
-        removeOnFail: {
-          count: 3,
-        },
-        repeat: {
-          every: config.erc20.millisecondRepeatJob,
-        },
-      }
-    );
+    if (NODE_ENV !== 'test') {
+      await this.createJob(
+        BULL_JOB_NAME.HANDLE_ERC20_CONTRACT,
+        BULL_JOB_NAME.HANDLE_ERC20_CONTRACT,
+        {},
+        {
+          removeOnComplete: true,
+          removeOnFail: {
+            count: 3,
+          },
+          repeat: {
+            every: config.erc20.millisecondRepeatJob,
+          },
+        }
+      );
+      await this.createJob(
+        BULL_JOB_NAME.HANDLE_ERC20_ACTIVITY,
+        BULL_JOB_NAME.HANDLE_ERC20_ACTIVITY,
+        {},
+        {
+          removeOnComplete: true,
+          removeOnFail: {
+            count: 3,
+          },
+          repeat: {
+            every: config.erc20.millisecondRepeatJob,
+          },
+        }
+      );
+      await this.createJob(
+        BULL_JOB_NAME.HANDLE_ERC20_BALANCE,
+        BULL_JOB_NAME.HANDLE_ERC20_BALANCE,
+        {},
+        {
+          removeOnComplete: true,
+          removeOnFail: {
+            count: 3,
+          },
+          repeat: {
+            every: config.erc20.millisecondRepeatJob,
+          },
+        }
+      );
+    }
     return super._start();
   }
 }

test/unit/services/erc20/erc20.spec.ts

@@ -1,12 +1,20 @@
-import { AfterAll, BeforeAll, Describe, Test } from '@jest-decorated/core';
+import {
+  AfterAll,
+  BeforeAll,
+  BeforeEach,
+  Describe,
+  Test,
+} from '@jest-decorated/core';
 import { ServiceBroker } from 'moleculer';
+import _ from 'lodash';
 import knex from '../../../../src/common/utils/db_connection';
 import {
   Account,
   EVMSmartContract,
   EVMTransaction,
   Erc20Activity,
   Erc20Contract,
+  Erc20Statistic,
   EvmEvent,
 } from '../../../../src/models';
 import Erc20Service from '../../../../src/services/evm/erc20.service';
@@ -60,6 +68,7 @@ export default class Erc20Test {
 
   @BeforeAll()
   async initSuite() {
+    this.erc20Service.getQueueManager().stopAll();
     await this.broker.start();
     await knex.raw(
       'TRUNCATE TABLE erc20_contract, account, erc20_activity, evm_smart_contract, evm_event, evm_transaction RESTART IDENTITY CASCADE'
@@ -77,6 +86,13 @@ export default class Erc20Test {
     await this.broker.stop();
   }
 
+  @BeforeEach()
+  async initSuiteBeforeEach() {
+    await knex.raw(
+      'TRUNCATE TABLE erc20_activity, account, erc20_statistic RESTART IDENTITY CASCADE'
+    );
+  }
+
   @Test('test getErc20Activities')
   async testGetErc20Activities() {
     const fromAccount = Account.fromJson({
@@ -189,4 +205,81 @@ export default class Erc20Test {
     expect(result[1].from_account_id).toEqual(fromAccount.id);
     expect(result[1].to_account_id).toEqual(toAccount.id);
   }
+
+  @Test('test handleTotalHolderStatistic')
+  public async testHandleTotalHolderStatistic() {
+    const accounts = [
+      Account.fromJson({
+        id: 345,
+        address: 'xczfsdfsfsdg',
+        balances: [],
+        spendable_balances: [],
+        type: '',
+        pubkey: '',
+        account_number: 2,
+        sequence: 432,
+        evm_address: '0xghgfhfghfg',
+        account_balances: [
+          {
+            denom: this.evmSmartContract.address,
+            amount: 123,
+          },
+          {
+            denom: this.evmSmartContract2.address,
+            amount: 1234,
+          },
+        ],
+      }),
+      Account.fromJson({
+        id: 456,
+        address: 'cbbvb',
+        balances: [],
+        spendable_balances: [],
+        type: '',
+        pubkey: '',
+        account_number: 2,
+        sequence: 432,
+        evm_address: '0xhgfhfghgfg',
+        account_balances: [
+          {
+            denom: this.evmSmartContract.address,
+            amount: 0,
+          },
+          {
+            denom: this.evmSmartContract2.address,
+            amount: -1234,
+          },
+        ],
+      }),
+      Account.fromJson({
+        id: 567,
+        address: 'xzxzcvv ',
+        balances: [],
+        spendable_balances: [],
+        type: '',
+        pubkey: '',
+        account_number: 2,
+        sequence: 432,
+        evm_address: '0xdgfsdgs4',
+        account_balances: [
+          {
+            denom: this.evmSmartContract.address,
+            amount: 1,
+          },
+        ],
+      }),
+    ];
+    await Account.query().insertGraph(accounts);
+    const date = new Date('2023-01-12T00:53:57.000Z');
+    await this.erc20Service.handleTotalHolderStatistic(date);
+    const erc20Statistics = _.keyBy(
+      await Erc20Statistic.query(),
+      'erc20_contract_id'
+    );
+    expect(erc20Statistics[444]).toMatchObject({
+      total_holder: 2,
+    });
+    // because of track false
+    expect(erc20Statistics[445]).toBeUndefined();
+  }
 }