85 lines
2.4 KiB
TypeScript
85 lines
2.4 KiB
TypeScript
import { Injectable, Logger } from '@nestjs/common';
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import { HttpService } from '@nestjs/axios';
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import { ConfigService } from '@nestjs/config';
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import { firstValueFrom } from 'rxjs';
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/**
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* Wallet Service 客户端
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* 跨服务调用 wallet-service 的冻结/解冻/转账接口
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*/
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@Injectable()
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export class WalletServiceClient {
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private readonly logger = new Logger(WalletServiceClient.name);
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private readonly baseUrl: string;
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constructor(
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private readonly httpService: HttpService,
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private readonly configService: ConfigService,
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) {
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this.baseUrl = this.configService.get<string>(
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'external.walletServiceUrl',
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'http://localhost:3001',
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);
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}
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/**
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* 冻结买方资金
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*/
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async freezePayment(params: {
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accountSequence: string;
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amount: string;
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transferOrderNo: string;
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reason: string;
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}): Promise<{ freezeId: string }> {
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const url = `${this.baseUrl}/api/v1/internal/wallet/freeze`;
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this.logger.log(`[WALLET] Freezing ${params.amount} USDT for ${params.accountSequence}`);
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const { data } = await firstValueFrom(
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this.httpService.post(url, params),
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);
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return data;
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}
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/**
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* 解冻买方资金（补偿操作）
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*/
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async unfreezePayment(params: {
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accountSequence: string;
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freezeId: string;
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transferOrderNo: string;
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reason: string;
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}): Promise<void> {
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const url = `${this.baseUrl}/api/v1/internal/wallet/unfreeze`;
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this.logger.log(`[WALLET] Unfreezing for ${params.accountSequence}`);
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await firstValueFrom(this.httpService.post(url, params));
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}
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/**
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* 结算转让资金
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* 从买方冻结金额 → 卖方实收 + 平台手续费
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*/
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async settleTransferPayment(params: {
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buyerAccountSequence: string;
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sellerAccountSequence: string;
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freezeId: string;
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sellerReceiveAmount: string;
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platformFeeAmount: string;
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transferOrderNo: string;
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}): Promise<void> {
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const url = `${this.baseUrl}/api/v1/internal/wallet/settle-transfer`;
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this.logger.log(`[WALLET] Settling transfer ${params.transferOrderNo}`);
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await firstValueFrom(this.httpService.post(url, params));
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}
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/**
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* 查询账户余额
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*/
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async getBalance(accountSequence: string): Promise<{ available: string; frozen: string }> {
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const url = `${this.baseUrl}/api/v1/internal/wallet/balance/${accountSequence}`;
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const { data } = await firstValueFrom(this.httpService.get(url));
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return data;
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}
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}
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