Add GET /tokenBurns

Author: ArtemKolodko

src/app.controller.ts

@@ -15,7 +15,7 @@ import { ConfigService } from '@nestjs/config';
 import {SkipThrottle} from "@nestjs/throttler";
 import {AddCommentDto, GetCommentsDto} from "./dto/comment.dto";
 import {AppService} from "./app.service";
-import {GetTokenBalancesDto, GetTokensDto, GetTokenWinnersDto} from "./dto/token.dto";
+import {GetTokenBalancesDto, GetTokenBurnsDto, GetTokensDto, GetTokenWinnersDto} from "./dto/token.dto";
 import {GetCandlesDto, GetTradesDto} from "./dto/trade.dto";
 import {AddUserDto} from "./dto/user.dto";
 import {UserService} from "./user/user.service";
@@ -97,6 +97,11 @@ export class AppController {
     return this.appService.getTrades(dto)
   }
 
+  @Get('/tokenBurns')
+  getTokenBurns(@Query() dto: GetTokenBurnsDto) {
+    return this.appService.getTokenBurns(dto)
+  }
+
   @Post('/uploadImage')
   @UseGuards(AuthGuard)
   @ApiBearerAuth()

src/app.service.ts

@@ -1,8 +1,8 @@
 import {Injectable, Logger} from '@nestjs/common';
 import {DataSource, EntityManager, MoreThan} from "typeorm";
-import {Comment, Token, TokenBalance, TokenWinner, Trade, UserAccount} from "./entities";
+import {Comment, Token, TokenBalance, TokenBurn, TokenWinner, Trade, UserAccount} from "./entities";
 import {AddCommentDto, GetCommentsDto} from "./dto/comment.dto";
-import {GetTokenBalancesDto, GetTokensDto, GetTokenWinnersDto} from "./dto/token.dto";
+import {GetTokenBalancesDto, GetTokenBurnsDto, GetTokensDto, GetTokenWinnersDto} from "./dto/token.dto";
 import {GetCandlesDto, GetTradesDto} from "./dto/trade.dto";
 import {UserService} from "./user/user.service";
 import {Candle} from "./types";
@@ -96,6 +96,24 @@ export class AppService {
         })
     }
 
+    async getTokenBurns(dto: GetTokenBurnsDto){
+        return await this.dataSource.manager.find(TokenBurn, {
+            where: {
+                token: {
+                    address: dto.tokenAddress
+                },
+                sender: {
+                    address: dto.userAddress
+                }
+            },
+            take: dto.limit,
+            skip: dto.offset,
+            order: {
+                timestamp: 'desc'
+            }
+        })
+    }
+
     async getCandles(dto: GetCandlesDto){
         const query = this.dataSource.getRepository(Trade)
           .createQueryBuilder('trades')

src/dto/token.dto.ts

@@ -62,3 +62,32 @@ export class GetTokenWinnersDto {
   @IsString()
   offset: number;
 }
+
+export class GetTokenBurnsDto {
+  @ApiProperty({ type: String, required: true })
+  @Transform((address) => address ? address.value.trim().toLowerCase() : address)
+  @Type(() => String)
+  @IsString()
+  tokenAddress: string;
+
+  @ApiProperty({ type: String, required: false })
+  @Transform((address) => address ? address.value.trim().toLowerCase() : address)
+  @Type(() => String)
+  @IsString()
+  @IsOptional()
+  userAddress?: string;
+
+  @ApiProperty({ type: Number, required: false, default: '100' })
+  // @Transform((limit) => limit.value.toNumber())
+  @Type(() => String)
+  @IsString()
+  @IsOptional()
+  limit: number;
+
+  @ApiProperty({ type: Number, required: false, default: '0' })
+  // @Transform((offset) => offset.value.toNumber())
+  @Type(() => String)
+  @IsString()
+  @IsOptional()
+  offset: number;
+}

src/entities/token.burn.entity.ts

@@ -23,13 +23,13 @@ export class TokenBurn {
   @Column({ type: 'integer' })
   blockNumber: number;
 
-  @ManyToOne(() => UserAccount)
+  @ManyToOne(() => UserAccount, { eager: true })
   sender: UserAccount;
 
-  @ManyToOne(() => Token)
+  @ManyToOne(() => Token, { eager: true })
   token: Token;
 
-  @ManyToOne(() => Token)
+  @ManyToOne(() => Token, { eager: true })
   winnerToken: Token;
 
   @ApiProperty()