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"https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz", diff --git a/backend/services/trading-service/package.json b/backend/services/trading-service/package.json index 94426002..61480f0c 100644 --- a/backend/services/trading-service/package.json +++ b/backend/services/trading-service/package.json @@ -41,6 +41,7 @@ "kafkajs": "^2.2.4", "reflect-metadata": "^0.1.14", "rxjs": "^7.8.1", + "sharp": "^0.33.5", "socket.io": "^4.7.4", "swagger-ui-express": "^5.0.0" }, diff --git a/backend/services/trading-service/src/application/application.module.ts b/backend/services/trading-service/src/application/application.module.ts index fa58d42b..44ebdffc 100644 --- a/backend/services/trading-service/src/application/application.module.ts +++ b/backend/services/trading-service/src/application/application.module.ts @@ -11,6 +11,7 @@ import { AssetService } from './services/asset.service'; import { MarketMakerService } from './services/market-maker.service'; import { C2cService } from './services/c2c.service'; import { C2cBotService } from './services/c2c-bot.service'; +import { PaymentProofService } from './services/payment-proof.service'; import { OutboxScheduler } from './schedulers/outbox.scheduler'; import { BurnScheduler } from './schedulers/burn.scheduler'; import { PriceBroadcastScheduler } from './schedulers/price-broadcast.scheduler'; @@ -34,6 +35,7 @@ import { C2cBotScheduler } from './schedulers/c2c-bot.scheduler'; MarketMakerService, C2cService, C2cBotService, + PaymentProofService, // Schedulers OutboxScheduler, BurnScheduler, @@ -41,6 +43,6 @@ import { C2cBotScheduler } from './schedulers/c2c-bot.scheduler'; C2cExpiryScheduler, C2cBotScheduler, ], - exports: [OrderService, TransferService, P2pTransferService, PriceService, BurnService, AssetService, MarketMakerService, C2cService, C2cBotService], + exports: [OrderService, TransferService, P2pTransferService, PriceService, BurnService, AssetService, MarketMakerService, C2cService, C2cBotService, PaymentProofService], }) export class ApplicationModule {} diff --git a/backend/services/trading-service/src/application/schedulers/c2c-bot.scheduler.ts b/backend/services/trading-service/src/application/schedulers/c2c-bot.scheduler.ts index 1c8fb4e3..7819bcf4 100644 --- a/backend/services/trading-service/src/application/schedulers/c2c-bot.scheduler.ts +++ b/backend/services/trading-service/src/application/schedulers/c2c-bot.scheduler.ts @@ -64,41 +64,27 @@ export class C2cBotScheduler implements OnModuleInit { return; } - const lockValue = await this.redis.acquireLock(this.LOCK_KEY, 8); // 8秒锁 + const lockValue = await this.redis.acquireLock(this.LOCK_KEY, 30); // 30秒锁（留足链上转账时间） if (!lockValue) { return; // 其他实例正在处理 } try { - // 查询待处理的卖单 - const orders = await this.c2cOrderRepository.findPendingSellOrdersForBot(10); + // 每个周期只处理1个订单，确保顺序执行 + const orders = await this.c2cOrderRepository.findPendingSellOrdersForBot(1); if (orders.length === 0) { return; } - this.logger.log(`[SCHEDULER] Found ${orders.length} pending sell orders`); + const order = orders[0]; + this.logger.log(`[SCHEDULER] Processing order ${order.orderNo} (amount: ${order.totalAmount})`); - let successCount = 0; - let errorCount = 0; - - // 逐个处理 - for (const order of orders) { - try { - const success = await this.c2cBotService.purchaseOrder(order); - if (success) { - successCount++; - } else { - errorCount++; - } - } catch (error: any) { - this.logger.error(`[SCHEDULER] Error processing order ${order.orderNo}: ${error.message}`); - errorCount++; - } - } - - if (successCount > 0 || errorCount > 0) { - this.logger.log(`[SCHEDULER] Processed: ${successCount} success, ${errorCount} errors`); + try { + const success = await this.c2cBotService.purchaseOrder(order); + this.logger.log(`[SCHEDULER] Order ${order.orderNo}: ${success ? 'success' : 'failed'}`); + } catch (error: any) { + this.logger.error(`[SCHEDULER] Error processing order ${order.orderNo}: ${error.message}`); } } catch (error: any) { this.logger.error(`[SCHEDULER] Error in processPendingSellOrders: ${error.message}`); diff --git a/backend/services/trading-service/src/application/services/c2c-bot.service.ts b/backend/services/trading-service/src/application/services/c2c-bot.service.ts index 3c77bd8d..3689aad2 100644 --- a/backend/services/trading-service/src/application/services/c2c-bot.service.ts +++ b/backend/services/trading-service/src/application/services/c2c-bot.service.ts @@ -4,6 +4,7 @@ import { TradingAccountRepository } from '../../infrastructure/persistence/repos import { BlockchainClient } from '../../infrastructure/blockchain/blockchain.client'; import { IdentityClient } from '../../infrastructure/identity/identity.client'; import { RedisService } from '../../infrastructure/redis/redis.service'; +import { PaymentProofService } from './payment-proof.service'; import Decimal from 'decimal.js'; /** @@ -20,6 +21,7 @@ export class C2cBotService { private readonly blockchainClient: BlockchainClient, private readonly identityClient: IdentityClient, private readonly redis: RedisService, + private readonly paymentProofService: PaymentProofService, ) {} /** @@ -76,6 +78,21 @@ export class C2cBotService { paymentTxHash: transferResult.txHash!, }); + // 5. 生成付款水单图片并更新订单（失败不影响订单本身） + try { + const proofUrl = await this.paymentProofService.generateProofImage({ + orderNo: order.orderNo, + amount: paymentAmount, + txHash: transferResult.txHash!, + sellerAddress: kavaAddress, + completedAt: new Date(), + }); + await this.c2cOrderRepository.updatePaymentProof(order.orderNo, proofUrl); + this.logger.log(`[BOT] Payment proof generated: ${proofUrl}`); + } catch (proofError: any) { + this.logger.warn(`[BOT] Failed to generate payment proof for ${order.orderNo}: ${proofError.message}`); + } + this.logger.log(`[BOT] Order ${order.orderNo} completed successfully`); return true; } catch (error: any) { diff --git a/backend/services/trading-service/src/application/services/payment-proof.service.ts b/backend/services/trading-service/src/application/services/payment-proof.service.ts new file mode 100644 index 00000000..18700e1e --- /dev/null +++ b/backend/services/trading-service/src/application/services/payment-proof.service.ts @@ -0,0 +1,102 @@ +import { Injectable, Logger } from '@nestjs/common'; +import * as fs from 'fs'; +import * as path from 'path'; +import sharp from 'sharp'; + +export interface ProofData { + orderNo: string; + amount: string; + txHash: string; + sellerAddress: string; + completedAt: Date; +} + +@Injectable() +export class PaymentProofService { + private readonly logger = new Logger(PaymentProofService.name); + private readonly uploadDir = path.resolve('./uploads/c2c-proofs'); + + constructor() { + if (!fs.existsSync(this.uploadDir)) { + fs.mkdirSync(this.uploadDir, { recursive: true }); + } + } + + /** + * 生成付款水单图片（SVG → PNG） + * @returns 文件 URL path（可直接存入数据库） + */ + async generateProofImage(data: ProofData): Promise { + const timestamp = Date.now(); + const filename = `bot-proof-${data.orderNo}-${timestamp}.png`; + const filePath = path.join(this.uploadDir, filename); + + const svg = this.buildSvg(data); + await sharp(Buffer.from(svg)).png().toFile(filePath); + + this.logger.log(`[PROOF] Generated: ${filename}`); + return `/api/v2/trading/c2c/proofs/${filename}`; + } + + private buildSvg(data: ProofData): string { + const time = data.completedAt.toISOString().replace('T', ' ').slice(0, 19); + const shortTx = data.txHash.length > 20 + ? `${data.txHash.slice(0, 10)}...${data.txHash.slice(-10)}` + : data.txHash; + const shortAddr = data.sellerAddress.length > 20 + ? `${data.sellerAddress.slice(0, 10)}...${data.sellerAddress.slice(-10)}` + : data.sellerAddress; + + return ` + + + + + + + + + + + + + C2C Bot 付款凭证 + + + + 已完成 + COMPLETED + + + 订单编号 + ${this.esc(data.orderNo)} + + + + 支付金额 (dUSDT) + ${this.esc(data.amount)} + + + + 交易哈希 + ${this.esc(shortTx)} + + + + 收款地址 + ${this.esc(shortAddr)} + + + + 完成时间 + ${this.esc(time)} + + + 由系统自动生成 · RWAdurian C2C Bot +`; + } + + private esc(str: string): string { + return str.replace(/&/g, '&').replace(//g, '>').replace(/"/g, '"'); + } +}