banana-site-service/src/db/models/BnMonitor.ts

import { AllowNull, Column, DataType, Model, Table } from 'sequelize-typescript'

export interface BnMonitorData {
  chainId: bigint
  syncBlockNumber: number
}

@Table({
  modelName: 'BnMonitor',
  indexes: [
    {
      fields: ['chainId'],
      unique: true,
    },
  ],
})
export default class BnMonitor extends Model {
  @AllowNull(false)
  @Column(DataType.INTEGER.UNSIGNED)
  get chainId(): bigint {
    return this.getDataValue('chainId')
  }

  @AllowNull(false)
  @Column(DataType.INTEGER.UNSIGNED)
  get syncBlockNumber(): number {
    return this.getDataValue('syncBlockNumber')
  }

  getData(): BnMonitorData {
    return {
      chainId: this.chainId,
      syncBlockNumber: this.syncBlockNumber,
    }
  }
}